FFmpeg
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ffmpeg.c
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1 /*
2  * Copyright (c) 2000-2003 Fabrice Bellard
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 /**
22  * @file
23  * multimedia converter based on the FFmpeg libraries
24  */
25 
26 #include "config.h"
27 #include <ctype.h>
28 #include <string.h>
29 #include <math.h>
30 #include <stdlib.h>
31 #include <errno.h>
32 #include <limits.h>
33 #include <stdatomic.h>
34 #include <stdint.h>
35 
36 #if HAVE_IO_H
37 #include <io.h>
38 #endif
39 #if HAVE_UNISTD_H
40 #include <unistd.h>
41 #endif
42 
43 #include "libavformat/avformat.h"
44 #include "libavdevice/avdevice.h"
46 #include "libavutil/opt.h"
48 #include "libavutil/parseutils.h"
49 #include "libavutil/samplefmt.h"
50 #include "libavutil/fifo.h"
51 #include "libavutil/hwcontext.h"
52 #include "libavutil/internal.h"
53 #include "libavutil/intreadwrite.h"
54 #include "libavutil/dict.h"
55 #include "libavutil/display.h"
56 #include "libavutil/mathematics.h"
57 #include "libavutil/pixdesc.h"
58 #include "libavutil/avstring.h"
59 #include "libavutil/libm.h"
60 #include "libavutil/imgutils.h"
61 #include "libavutil/timestamp.h"
62 #include "libavutil/bprint.h"
63 #include "libavutil/time.h"
64 #include "libavutil/thread.h"
66 #include "libavcodec/mathops.h"
67 #include "libavformat/os_support.h"
68 
69 # include "libavfilter/avfilter.h"
70 # include "libavfilter/buffersrc.h"
71 # include "libavfilter/buffersink.h"
72 
73 #if HAVE_SYS_RESOURCE_H
74 #include <sys/time.h>
75 #include <sys/types.h>
76 #include <sys/resource.h>
77 #elif HAVE_GETPROCESSTIMES
78 #include <windows.h>
79 #endif
80 #if HAVE_GETPROCESSMEMORYINFO
81 #include <windows.h>
82 #include <psapi.h>
83 #endif
84 #if HAVE_SETCONSOLECTRLHANDLER
85 #include <windows.h>
86 #endif
87 
88 
89 #if HAVE_SYS_SELECT_H
90 #include <sys/select.h>
91 #endif
92 
93 #if HAVE_TERMIOS_H
94 #include <fcntl.h>
95 #include <sys/ioctl.h>
96 #include <sys/time.h>
97 #include <termios.h>
98 #elif HAVE_KBHIT
99 #include <conio.h>
100 #endif
101 
102 #include <time.h>
103 
104 #include "ffmpeg.h"
105 #include "cmdutils.h"
106 
107 #include "libavutil/avassert.h"
108 
109 const char program_name[] = "ffmpeg";
110 const int program_birth_year = 2000;
111 
112 static FILE *vstats_file;
113 
114 const char *const forced_keyframes_const_names[] = {
115  "n",
116  "n_forced",
117  "prev_forced_n",
118  "prev_forced_t",
119  "t",
120  NULL
121 };
122 
123 typedef struct BenchmarkTimeStamps {
124  int64_t real_usec;
125  int64_t user_usec;
126  int64_t sys_usec;
128 
129 static void do_video_stats(OutputStream *ost, int frame_size);
131 static int64_t getmaxrss(void);
133 
134 static int run_as_daemon = 0;
135 static int nb_frames_dup = 0;
136 static unsigned dup_warning = 1000;
137 static int nb_frames_drop = 0;
138 static int64_t decode_error_stat[2];
139 
140 static int want_sdp = 1;
141 
144 
146 
151 
156 
159 
160 #if HAVE_TERMIOS_H
161 
162 /* init terminal so that we can grab keys */
163 static struct termios oldtty;
164 static int restore_tty;
165 #endif
166 
167 #if HAVE_THREADS
168 static void free_input_threads(void);
169 #endif
170 
171 /* sub2video hack:
172  Convert subtitles to video with alpha to insert them in filter graphs.
173  This is a temporary solution until libavfilter gets real subtitles support.
174  */
175 
177 {
178  int ret;
179  AVFrame *frame = ist->sub2video.frame;
180 
181  av_frame_unref(frame);
182  ist->sub2video.frame->width = ist->dec_ctx->width ? ist->dec_ctx->width : ist->sub2video.w;
183  ist->sub2video.frame->height = ist->dec_ctx->height ? ist->dec_ctx->height : ist->sub2video.h;
185  if ((ret = av_frame_get_buffer(frame, 32)) < 0)
186  return ret;
187  memset(frame->data[0], 0, frame->height * frame->linesize[0]);
188  return 0;
189 }
190 
191 static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h,
192  AVSubtitleRect *r)
193 {
194  uint32_t *pal, *dst2;
195  uint8_t *src, *src2;
196  int x, y;
197 
198  if (r->type != SUBTITLE_BITMAP) {
199  av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n");
200  return;
201  }
202  if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) {
203  av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle (%d %d %d %d) overflowing %d %d\n",
204  r->x, r->y, r->w, r->h, w, h
205  );
206  return;
207  }
208 
209  dst += r->y * dst_linesize + r->x * 4;
210  src = r->data[0];
211  pal = (uint32_t *)r->data[1];
212  for (y = 0; y < r->h; y++) {
213  dst2 = (uint32_t *)dst;
214  src2 = src;
215  for (x = 0; x < r->w; x++)
216  *(dst2++) = pal[*(src2++)];
217  dst += dst_linesize;
218  src += r->linesize[0];
219  }
220 }
221 
222 static void sub2video_push_ref(InputStream *ist, int64_t pts)
223 {
224  AVFrame *frame = ist->sub2video.frame;
225  int i;
226  int ret;
227 
228  av_assert1(frame->data[0]);
229  ist->sub2video.last_pts = frame->pts = pts;
230  for (i = 0; i < ist->nb_filters; i++) {
231  ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, frame,
234  if (ret != AVERROR_EOF && ret < 0)
235  av_log(NULL, AV_LOG_WARNING, "Error while add the frame to buffer source(%s).\n",
236  av_err2str(ret));
237  }
238 }
239 
241 {
242  AVFrame *frame = ist->sub2video.frame;
243  int8_t *dst;
244  int dst_linesize;
245  int num_rects, i;
246  int64_t pts, end_pts;
247 
248  if (!frame)
249  return;
250  if (sub) {
251  pts = av_rescale_q(sub->pts + sub->start_display_time * 1000LL,
252  AV_TIME_BASE_Q, ist->st->time_base);
253  end_pts = av_rescale_q(sub->pts + sub->end_display_time * 1000LL,
254  AV_TIME_BASE_Q, ist->st->time_base);
255  num_rects = sub->num_rects;
256  } else {
257  pts = ist->sub2video.end_pts;
258  end_pts = INT64_MAX;
259  num_rects = 0;
260  }
261  if (sub2video_get_blank_frame(ist) < 0) {
263  "Impossible to get a blank canvas.\n");
264  return;
265  }
266  dst = frame->data [0];
267  dst_linesize = frame->linesize[0];
268  for (i = 0; i < num_rects; i++)
269  sub2video_copy_rect(dst, dst_linesize, frame->width, frame->height, sub->rects[i]);
270  sub2video_push_ref(ist, pts);
271  ist->sub2video.end_pts = end_pts;
272 }
273 
274 static void sub2video_heartbeat(InputStream *ist, int64_t pts)
275 {
276  InputFile *infile = input_files[ist->file_index];
277  int i, j, nb_reqs;
278  int64_t pts2;
279 
280  /* When a frame is read from a file, examine all sub2video streams in
281  the same file and send the sub2video frame again. Otherwise, decoded
282  video frames could be accumulating in the filter graph while a filter
283  (possibly overlay) is desperately waiting for a subtitle frame. */
284  for (i = 0; i < infile->nb_streams; i++) {
285  InputStream *ist2 = input_streams[infile->ist_index + i];
286  if (!ist2->sub2video.frame)
287  continue;
288  /* subtitles seem to be usually muxed ahead of other streams;
289  if not, subtracting a larger time here is necessary */
290  pts2 = av_rescale_q(pts, ist->st->time_base, ist2->st->time_base) - 1;
291  /* do not send the heartbeat frame if the subtitle is already ahead */
292  if (pts2 <= ist2->sub2video.last_pts)
293  continue;
294  if (pts2 >= ist2->sub2video.end_pts ||
295  (!ist2->sub2video.frame->data[0] && ist2->sub2video.end_pts < INT64_MAX))
296  sub2video_update(ist2, NULL);
297  for (j = 0, nb_reqs = 0; j < ist2->nb_filters; j++)
298  nb_reqs += av_buffersrc_get_nb_failed_requests(ist2->filters[j]->filter);
299  if (nb_reqs)
300  sub2video_push_ref(ist2, pts2);
301  }
302 }
303 
304 static void sub2video_flush(InputStream *ist)
305 {
306  int i;
307  int ret;
308 
309  if (ist->sub2video.end_pts < INT64_MAX)
310  sub2video_update(ist, NULL);
311  for (i = 0; i < ist->nb_filters; i++) {
312  ret = av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
313  if (ret != AVERROR_EOF && ret < 0)
314  av_log(NULL, AV_LOG_WARNING, "Flush the frame error.\n");
315  }
316 }
317 
318 /* end of sub2video hack */
319 
320 static void term_exit_sigsafe(void)
321 {
322 #if HAVE_TERMIOS_H
323  if(restore_tty)
324  tcsetattr (0, TCSANOW, &oldtty);
325 #endif
326 }
327 
328 void term_exit(void)
329 {
330  av_log(NULL, AV_LOG_QUIET, "%s", "");
332 }
333 
334 static volatile int received_sigterm = 0;
335 static volatile int received_nb_signals = 0;
337 static volatile int ffmpeg_exited = 0;
338 static int main_return_code = 0;
339 
340 static void
342 {
343  int ret;
344  received_sigterm = sig;
347  if(received_nb_signals > 3) {
348  ret = write(2/*STDERR_FILENO*/, "Received > 3 system signals, hard exiting\n",
349  strlen("Received > 3 system signals, hard exiting\n"));
350  if (ret < 0) { /* Do nothing */ };
351  exit(123);
352  }
353 }
354 
355 #if HAVE_SETCONSOLECTRLHANDLER
356 static BOOL WINAPI CtrlHandler(DWORD fdwCtrlType)
357 {
358  av_log(NULL, AV_LOG_DEBUG, "\nReceived windows signal %ld\n", fdwCtrlType);
359 
360  switch (fdwCtrlType)
361  {
362  case CTRL_C_EVENT:
363  case CTRL_BREAK_EVENT:
364  sigterm_handler(SIGINT);
365  return TRUE;
366 
367  case CTRL_CLOSE_EVENT:
368  case CTRL_LOGOFF_EVENT:
369  case CTRL_SHUTDOWN_EVENT:
370  sigterm_handler(SIGTERM);
371  /* Basically, with these 3 events, when we return from this method the
372  process is hard terminated, so stall as long as we need to
373  to try and let the main thread(s) clean up and gracefully terminate
374  (we have at most 5 seconds, but should be done far before that). */
375  while (!ffmpeg_exited) {
376  Sleep(0);
377  }
378  return TRUE;
379 
380  default:
381  av_log(NULL, AV_LOG_ERROR, "Received unknown windows signal %ld\n", fdwCtrlType);
382  return FALSE;
383  }
384 }
385 #endif
386 
387 void term_init(void)
388 {
389 #if HAVE_TERMIOS_H
391  struct termios tty;
392  if (tcgetattr (0, &tty) == 0) {
393  oldtty = tty;
394  restore_tty = 1;
395 
396  tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
397  |INLCR|IGNCR|ICRNL|IXON);
398  tty.c_oflag |= OPOST;
399  tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
400  tty.c_cflag &= ~(CSIZE|PARENB);
401  tty.c_cflag |= CS8;
402  tty.c_cc[VMIN] = 1;
403  tty.c_cc[VTIME] = 0;
404 
405  tcsetattr (0, TCSANOW, &tty);
406  }
407  signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
408  }
409 #endif
410 
411  signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
412  signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
413 #ifdef SIGXCPU
414  signal(SIGXCPU, sigterm_handler);
415 #endif
416 #ifdef SIGPIPE
417  signal(SIGPIPE, SIG_IGN); /* Broken pipe (POSIX). */
418 #endif
419 #if HAVE_SETCONSOLECTRLHANDLER
420  SetConsoleCtrlHandler((PHANDLER_ROUTINE) CtrlHandler, TRUE);
421 #endif
422 }
423 
424 /* read a key without blocking */
425 static int read_key(void)
426 {
427  unsigned char ch;
428 #if HAVE_TERMIOS_H
429  int n = 1;
430  struct timeval tv;
431  fd_set rfds;
432 
433  FD_ZERO(&rfds);
434  FD_SET(0, &rfds);
435  tv.tv_sec = 0;
436  tv.tv_usec = 0;
437  n = select(1, &rfds, NULL, NULL, &tv);
438  if (n > 0) {
439  n = read(0, &ch, 1);
440  if (n == 1)
441  return ch;
442 
443  return n;
444  }
445 #elif HAVE_KBHIT
446 # if HAVE_PEEKNAMEDPIPE
447  static int is_pipe;
448  static HANDLE input_handle;
449  DWORD dw, nchars;
450  if(!input_handle){
451  input_handle = GetStdHandle(STD_INPUT_HANDLE);
452  is_pipe = !GetConsoleMode(input_handle, &dw);
453  }
454 
455  if (is_pipe) {
456  /* When running under a GUI, you will end here. */
457  if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL)) {
458  // input pipe may have been closed by the program that ran ffmpeg
459  return -1;
460  }
461  //Read it
462  if(nchars != 0) {
463  read(0, &ch, 1);
464  return ch;
465  }else{
466  return -1;
467  }
468  }
469 # endif
470  if(kbhit())
471  return(getch());
472 #endif
473  return -1;
474 }
475 
476 static int decode_interrupt_cb(void *ctx)
477 {
479 }
480 
482 
483 static void ffmpeg_cleanup(int ret)
484 {
485  int i, j;
486 
487  if (do_benchmark) {
488  int maxrss = getmaxrss() / 1024;
489  av_log(NULL, AV_LOG_INFO, "bench: maxrss=%ikB\n", maxrss);
490  }
491 
492  for (i = 0; i < nb_filtergraphs; i++) {
493  FilterGraph *fg = filtergraphs[i];
495  for (j = 0; j < fg->nb_inputs; j++) {
496  while (av_fifo_size(fg->inputs[j]->frame_queue)) {
497  AVFrame *frame;
498  av_fifo_generic_read(fg->inputs[j]->frame_queue, &frame,
499  sizeof(frame), NULL);
500  av_frame_free(&frame);
501  }
502  av_fifo_freep(&fg->inputs[j]->frame_queue);
503  if (fg->inputs[j]->ist->sub2video.sub_queue) {
504  while (av_fifo_size(fg->inputs[j]->ist->sub2video.sub_queue)) {
505  AVSubtitle sub;
507  &sub, sizeof(sub), NULL);
508  avsubtitle_free(&sub);
509  }
511  }
513  av_freep(&fg->inputs[j]->name);
514  av_freep(&fg->inputs[j]);
515  }
516  av_freep(&fg->inputs);
517  for (j = 0; j < fg->nb_outputs; j++) {
518  av_freep(&fg->outputs[j]->name);
519  av_freep(&fg->outputs[j]->formats);
520  av_freep(&fg->outputs[j]->channel_layouts);
521  av_freep(&fg->outputs[j]->sample_rates);
522  av_freep(&fg->outputs[j]);
523  }
524  av_freep(&fg->outputs);
525  av_freep(&fg->graph_desc);
526 
527  av_freep(&filtergraphs[i]);
528  }
529  av_freep(&filtergraphs);
530 
532 
533  /* close files */
534  for (i = 0; i < nb_output_files; i++) {
535  OutputFile *of = output_files[i];
537  if (!of)
538  continue;
539  s = of->ctx;
540  if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE))
541  avio_closep(&s->pb);
543  av_dict_free(&of->opts);
544 
545  av_freep(&output_files[i]);
546  }
547  for (i = 0; i < nb_output_streams; i++) {
548  OutputStream *ost = output_streams[i];
549 
550  if (!ost)
551  continue;
552 
553  for (j = 0; j < ost->nb_bitstream_filters; j++)
554  av_bsf_free(&ost->bsf_ctx[j]);
555  av_freep(&ost->bsf_ctx);
556 
558  av_frame_free(&ost->last_frame);
559  av_dict_free(&ost->encoder_opts);
560 
561  av_freep(&ost->forced_keyframes);
563  av_freep(&ost->avfilter);
564  av_freep(&ost->logfile_prefix);
565 
567  ost->audio_channels_mapped = 0;
568 
569  av_dict_free(&ost->sws_dict);
570 
573 
574  if (ost->muxing_queue) {
575  while (av_fifo_size(ost->muxing_queue)) {
576  AVPacket pkt;
577  av_fifo_generic_read(ost->muxing_queue, &pkt, sizeof(pkt), NULL);
578  av_packet_unref(&pkt);
579  }
581  }
582 
583  av_freep(&output_streams[i]);
584  }
585 #if HAVE_THREADS
586  free_input_threads();
587 #endif
588  for (i = 0; i < nb_input_files; i++) {
589  avformat_close_input(&input_files[i]->ctx);
590  av_freep(&input_files[i]);
591  }
592  for (i = 0; i < nb_input_streams; i++) {
593  InputStream *ist = input_streams[i];
594 
597  av_dict_free(&ist->decoder_opts);
600  av_freep(&ist->filters);
601  av_freep(&ist->hwaccel_device);
602  av_freep(&ist->dts_buffer);
603 
605 
606  av_freep(&input_streams[i]);
607  }
608 
609  if (vstats_file) {
610  if (fclose(vstats_file))
612  "Error closing vstats file, loss of information possible: %s\n",
613  av_err2str(AVERROR(errno)));
614  }
616 
617  av_freep(&input_streams);
618  av_freep(&input_files);
619  av_freep(&output_streams);
620  av_freep(&output_files);
621 
622  uninit_opts();
623 
625 
626  if (received_sigterm) {
627  av_log(NULL, AV_LOG_INFO, "Exiting normally, received signal %d.\n",
628  (int) received_sigterm);
629  } else if (ret && atomic_load(&transcode_init_done)) {
630  av_log(NULL, AV_LOG_INFO, "Conversion failed!\n");
631  }
632  term_exit();
633  ffmpeg_exited = 1;
634 }
635 
637 {
638  AVDictionaryEntry *t = NULL;
639 
640  while ((t = av_dict_get(b, "", t, AV_DICT_IGNORE_SUFFIX))) {
642  }
643 }
644 
646 {
648  if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
649  av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
650  exit_program(1);
651  }
652 }
653 
654 static void abort_codec_experimental(AVCodec *c, int encoder)
655 {
656  exit_program(1);
657 }
658 
659 static void update_benchmark(const char *fmt, ...)
660 {
661  if (do_benchmark_all) {
663  va_list va;
664  char buf[1024];
665 
666  if (fmt) {
667  va_start(va, fmt);
668  vsnprintf(buf, sizeof(buf), fmt, va);
669  va_end(va);
671  "bench: %8" PRIu64 " user %8" PRIu64 " sys %8" PRIu64 " real %s \n",
672  t.user_usec - current_time.user_usec,
673  t.sys_usec - current_time.sys_usec,
674  t.real_usec - current_time.real_usec, buf);
675  }
676  current_time = t;
677  }
678 }
679 
681 {
682  int i;
683  for (i = 0; i < nb_output_streams; i++) {
684  OutputStream *ost2 = output_streams[i];
685  ost2->finished |= ost == ost2 ? this_stream : others;
686  }
687 }
688 
689 static void write_packet(OutputFile *of, AVPacket *pkt, OutputStream *ost, int unqueue)
690 {
691  AVFormatContext *s = of->ctx;
692  AVStream *st = ost->st;
693  int ret;
694 
695  /*
696  * Audio encoders may split the packets -- #frames in != #packets out.
697  * But there is no reordering, so we can limit the number of output packets
698  * by simply dropping them here.
699  * Counting encoded video frames needs to be done separately because of
700  * reordering, see do_video_out().
701  * Do not count the packet when unqueued because it has been counted when queued.
702  */
703  if (!(st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && ost->encoding_needed) && !unqueue) {
704  if (ost->frame_number >= ost->max_frames) {
705  av_packet_unref(pkt);
706  return;
707  }
708  ost->frame_number++;
709  }
710 
711  if (!of->header_written) {
712  AVPacket tmp_pkt = {0};
713  /* the muxer is not initialized yet, buffer the packet */
714  if (!av_fifo_space(ost->muxing_queue)) {
715  int new_size = FFMIN(2 * av_fifo_size(ost->muxing_queue),
716  ost->max_muxing_queue_size);
717  if (new_size <= av_fifo_size(ost->muxing_queue)) {
719  "Too many packets buffered for output stream %d:%d.\n",
720  ost->file_index, ost->st->index);
721  exit_program(1);
722  }
723  ret = av_fifo_realloc2(ost->muxing_queue, new_size);
724  if (ret < 0)
725  exit_program(1);
726  }
727  ret = av_packet_make_refcounted(pkt);
728  if (ret < 0)
729  exit_program(1);
730  av_packet_move_ref(&tmp_pkt, pkt);
731  av_fifo_generic_write(ost->muxing_queue, &tmp_pkt, sizeof(tmp_pkt), NULL);
732  return;
733  }
734 
737  pkt->pts = pkt->dts = AV_NOPTS_VALUE;
738 
739  if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
740  int i;
742  NULL);
743  ost->quality = sd ? AV_RL32(sd) : -1;
744  ost->pict_type = sd ? sd[4] : AV_PICTURE_TYPE_NONE;
745 
746  for (i = 0; i<FF_ARRAY_ELEMS(ost->error); i++) {
747  if (sd && i < sd[5])
748  ost->error[i] = AV_RL64(sd + 8 + 8*i);
749  else
750  ost->error[i] = -1;
751  }
752 
753  if (ost->frame_rate.num && ost->is_cfr) {
754  if (pkt->duration > 0)
755  av_log(NULL, AV_LOG_WARNING, "Overriding packet duration by frame rate, this should not happen\n");
756  pkt->duration = av_rescale_q(1, av_inv_q(ost->frame_rate),
757  ost->mux_timebase);
758  }
759  }
760 
761  av_packet_rescale_ts(pkt, ost->mux_timebase, ost->st->time_base);
762 
763  if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS)) {
764  if (pkt->dts != AV_NOPTS_VALUE &&
765  pkt->pts != AV_NOPTS_VALUE &&
766  pkt->dts > pkt->pts) {
767  av_log(s, AV_LOG_WARNING, "Invalid DTS: %"PRId64" PTS: %"PRId64" in output stream %d:%d, replacing by guess\n",
768  pkt->dts, pkt->pts,
769  ost->file_index, ost->st->index);
770  pkt->pts =
771  pkt->dts = pkt->pts + pkt->dts + ost->last_mux_dts + 1
772  - FFMIN3(pkt->pts, pkt->dts, ost->last_mux_dts + 1)
773  - FFMAX3(pkt->pts, pkt->dts, ost->last_mux_dts + 1);
774  }
776  pkt->dts != AV_NOPTS_VALUE &&
777  !(st->codecpar->codec_id == AV_CODEC_ID_VP9 && ost->stream_copy) &&
778  ost->last_mux_dts != AV_NOPTS_VALUE) {
779  int64_t max = ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
780  if (pkt->dts < max) {
781  int loglevel = max - pkt->dts > 2 || st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG;
782  av_log(s, loglevel, "Non-monotonous DTS in output stream "
783  "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
784  ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
785  if (exit_on_error) {
786  av_log(NULL, AV_LOG_FATAL, "aborting.\n");
787  exit_program(1);
788  }
789  av_log(s, loglevel, "changing to %"PRId64". This may result "
790  "in incorrect timestamps in the output file.\n",
791  max);
792  if (pkt->pts >= pkt->dts)
793  pkt->pts = FFMAX(pkt->pts, max);
794  pkt->dts = max;
795  }
796  }
797  }
798  ost->last_mux_dts = pkt->dts;
799 
800  ost->data_size += pkt->size;
801  ost->packets_written++;
802 
803  pkt->stream_index = ost->index;
804 
805  if (debug_ts) {
806  av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
807  "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n",
809  av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
810  av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base),
811  pkt->size
812  );
813  }
814 
815  ret = av_interleaved_write_frame(s, pkt);
816  if (ret < 0) {
817  print_error("av_interleaved_write_frame()", ret);
818  main_return_code = 1;
820  }
821  av_packet_unref(pkt);
822 }
823 
825 {
826  OutputFile *of = output_files[ost->file_index];
827 
828  ost->finished |= ENCODER_FINISHED;
829  if (of->shortest) {
830  int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, AV_TIME_BASE_Q);
831  of->recording_time = FFMIN(of->recording_time, end);
832  }
833 }
834 
835 /*
836  * Send a single packet to the output, applying any bitstream filters
837  * associated with the output stream. This may result in any number
838  * of packets actually being written, depending on what bitstream
839  * filters are applied. The supplied packet is consumed and will be
840  * blank (as if newly-allocated) when this function returns.
841  *
842  * If eof is set, instead indicate EOF to all bitstream filters and
843  * therefore flush any delayed packets to the output. A blank packet
844  * must be supplied in this case.
845  */
847  OutputStream *ost, int eof)
848 {
849  int ret = 0;
850 
851  /* apply the output bitstream filters, if any */
852  if (ost->nb_bitstream_filters) {
853  int idx;
854 
855  ret = av_bsf_send_packet(ost->bsf_ctx[0], eof ? NULL : pkt);
856  if (ret < 0)
857  goto finish;
858 
859  eof = 0;
860  idx = 1;
861  while (idx) {
862  /* get a packet from the previous filter up the chain */
863  ret = av_bsf_receive_packet(ost->bsf_ctx[idx - 1], pkt);
864  if (ret == AVERROR(EAGAIN)) {
865  ret = 0;
866  idx--;
867  continue;
868  } else if (ret == AVERROR_EOF) {
869  eof = 1;
870  } else if (ret < 0)
871  goto finish;
872 
873  /* send it to the next filter down the chain or to the muxer */
874  if (idx < ost->nb_bitstream_filters) {
875  ret = av_bsf_send_packet(ost->bsf_ctx[idx], eof ? NULL : pkt);
876  if (ret < 0)
877  goto finish;
878  idx++;
879  eof = 0;
880  } else if (eof)
881  goto finish;
882  else
883  write_packet(of, pkt, ost, 0);
884  }
885  } else if (!eof)
886  write_packet(of, pkt, ost, 0);
887 
888 finish:
889  if (ret < 0 && ret != AVERROR_EOF) {
890  av_log(NULL, AV_LOG_ERROR, "Error applying bitstream filters to an output "
891  "packet for stream #%d:%d.\n", ost->file_index, ost->index);
892  if(exit_on_error)
893  exit_program(1);
894  }
895 }
896 
898 {
899  OutputFile *of = output_files[ost->file_index];
900 
901  if (of->recording_time != INT64_MAX &&
903  AV_TIME_BASE_Q) >= 0) {
904  close_output_stream(ost);
905  return 0;
906  }
907  return 1;
908 }
909 
911  AVFrame *frame)
912 {
913  AVCodecContext *enc = ost->enc_ctx;
914  AVPacket pkt;
915  int ret;
916 
917  av_init_packet(&pkt);
918  pkt.data = NULL;
919  pkt.size = 0;
920 
921  if (!check_recording_time(ost))
922  return;
923 
924  if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
925  frame->pts = ost->sync_opts;
926  ost->sync_opts = frame->pts + frame->nb_samples;
927  ost->samples_encoded += frame->nb_samples;
928  ost->frames_encoded++;
929 
930  av_assert0(pkt.size || !pkt.data);
932  if (debug_ts) {
933  av_log(NULL, AV_LOG_INFO, "encoder <- type:audio "
934  "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
935  av_ts2str(frame->pts), av_ts2timestr(frame->pts, &enc->time_base),
936  enc->time_base.num, enc->time_base.den);
937  }
938 
939  ret = avcodec_send_frame(enc, frame);
940  if (ret < 0)
941  goto error;
942 
943  while (1) {
944  ret = avcodec_receive_packet(enc, &pkt);
945  if (ret == AVERROR(EAGAIN))
946  break;
947  if (ret < 0)
948  goto error;
949 
950  update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
951 
952  av_packet_rescale_ts(&pkt, enc->time_base, ost->mux_timebase);
953 
954  if (debug_ts) {
955  av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
956  "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
957  av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &enc->time_base),
958  av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &enc->time_base));
959  }
960 
961  output_packet(of, &pkt, ost, 0);
962  }
963 
964  return;
965 error:
966  av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
967  exit_program(1);
968 }
969 
970 static void do_subtitle_out(OutputFile *of,
971  OutputStream *ost,
972  AVSubtitle *sub)
973 {
974  int subtitle_out_max_size = 1024 * 1024;
975  int subtitle_out_size, nb, i;
976  AVCodecContext *enc;
977  AVPacket pkt;
978  int64_t pts;
979 
980  if (sub->pts == AV_NOPTS_VALUE) {
981  av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
982  if (exit_on_error)
983  exit_program(1);
984  return;
985  }
986 
987  enc = ost->enc_ctx;
988 
989  if (!subtitle_out) {
990  subtitle_out = av_malloc(subtitle_out_max_size);
991  if (!subtitle_out) {
992  av_log(NULL, AV_LOG_FATAL, "Failed to allocate subtitle_out\n");
993  exit_program(1);
994  }
995  }
996 
997  /* Note: DVB subtitle need one packet to draw them and one other
998  packet to clear them */
999  /* XXX: signal it in the codec context ? */
1000  if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
1001  nb = 2;
1002  else
1003  nb = 1;
1004 
1005  /* shift timestamp to honor -ss and make check_recording_time() work with -t */
1006  pts = sub->pts;
1007  if (output_files[ost->file_index]->start_time != AV_NOPTS_VALUE)
1008  pts -= output_files[ost->file_index]->start_time;
1009  for (i = 0; i < nb; i++) {
1010  unsigned save_num_rects = sub->num_rects;
1011 
1012  ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
1013  if (!check_recording_time(ost))
1014  return;
1015 
1016  sub->pts = pts;
1017  // start_display_time is required to be 0
1018  sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
1019  sub->end_display_time -= sub->start_display_time;
1020  sub->start_display_time = 0;
1021  if (i == 1)
1022  sub->num_rects = 0;
1023 
1024  ost->frames_encoded++;
1025 
1026  subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1027  subtitle_out_max_size, sub);
1028  if (i == 1)
1029  sub->num_rects = save_num_rects;
1030  if (subtitle_out_size < 0) {
1031  av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1032  exit_program(1);
1033  }
1034 
1035  av_init_packet(&pkt);
1036  pkt.data = subtitle_out;
1037  pkt.size = subtitle_out_size;
1038  pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->mux_timebase);
1039  pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->mux_timebase);
1040  if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
1041  /* XXX: the pts correction is handled here. Maybe handling
1042  it in the codec would be better */
1043  if (i == 0)
1044  pkt.pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, ost->mux_timebase);
1045  else
1046  pkt.pts += av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->mux_timebase);
1047  }
1048  pkt.dts = pkt.pts;
1049  output_packet(of, &pkt, ost, 0);
1050  }
1051 }
1052 
1053 static void do_video_out(OutputFile *of,
1054  OutputStream *ost,
1055  AVFrame *next_picture,
1056  double sync_ipts)
1057 {
1058  int ret, format_video_sync;
1059  AVPacket pkt;
1060  AVCodecContext *enc = ost->enc_ctx;
1061  AVCodecParameters *mux_par = ost->st->codecpar;
1062  AVRational frame_rate;
1063  int nb_frames, nb0_frames, i;
1064  double delta, delta0;
1065  double duration = 0;
1066  int frame_size = 0;
1067  InputStream *ist = NULL;
1069 
1070  if (ost->source_index >= 0)
1071  ist = input_streams[ost->source_index];
1072 
1073  frame_rate = av_buffersink_get_frame_rate(filter);
1074  if (frame_rate.num > 0 && frame_rate.den > 0)
1075  duration = 1/(av_q2d(frame_rate) * av_q2d(enc->time_base));
1076 
1077  if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
1078  duration = FFMIN(duration, 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base)));
1079 
1080  if (!ost->filters_script &&
1081  !ost->filters &&
1082  next_picture &&
1083  ist &&
1084  lrintf(next_picture->pkt_duration * av_q2d(ist->st->time_base) / av_q2d(enc->time_base)) > 0) {
1085  duration = lrintf(next_picture->pkt_duration * av_q2d(ist->st->time_base) / av_q2d(enc->time_base));
1086  }
1087 
1088  if (!next_picture) {
1089  //end, flushing
1090  nb0_frames = nb_frames = mid_pred(ost->last_nb0_frames[0],
1091  ost->last_nb0_frames[1],
1092  ost->last_nb0_frames[2]);
1093  } else {
1094  delta0 = sync_ipts - ost->sync_opts; // delta0 is the "drift" between the input frame (next_picture) and where it would fall in the output.
1095  delta = delta0 + duration;
1096 
1097  /* by default, we output a single frame */
1098  nb0_frames = 0; // tracks the number of times the PREVIOUS frame should be duplicated, mostly for variable framerate (VFR)
1099  nb_frames = 1;
1100 
1101  format_video_sync = video_sync_method;
1102  if (format_video_sync == VSYNC_AUTO) {
1103  if(!strcmp(of->ctx->oformat->name, "avi")) {
1104  format_video_sync = VSYNC_VFR;
1105  } else
1106  format_video_sync = (of->ctx->oformat->flags & AVFMT_VARIABLE_FPS) ? ((of->ctx->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
1107  if ( ist
1108  && format_video_sync == VSYNC_CFR
1109  && input_files[ist->file_index]->ctx->nb_streams == 1
1110  && input_files[ist->file_index]->input_ts_offset == 0) {
1111  format_video_sync = VSYNC_VSCFR;
1112  }
1113  if (format_video_sync == VSYNC_CFR && copy_ts) {
1114  format_video_sync = VSYNC_VSCFR;
1115  }
1116  }
1117  ost->is_cfr = (format_video_sync == VSYNC_CFR || format_video_sync == VSYNC_VSCFR);
1118 
1119  if (delta0 < 0 &&
1120  delta > 0 &&
1121  format_video_sync != VSYNC_PASSTHROUGH &&
1122  format_video_sync != VSYNC_DROP) {
1123  if (delta0 < -0.6) {
1124  av_log(NULL, AV_LOG_VERBOSE, "Past duration %f too large\n", -delta0);
1125  } else
1126  av_log(NULL, AV_LOG_DEBUG, "Clipping frame in rate conversion by %f\n", -delta0);
1127  sync_ipts = ost->sync_opts;
1128  duration += delta0;
1129  delta0 = 0;
1130  }
1131 
1132  switch (format_video_sync) {
1133  case VSYNC_VSCFR:
1134  if (ost->frame_number == 0 && delta0 >= 0.5) {
1135  av_log(NULL, AV_LOG_DEBUG, "Not duplicating %d initial frames\n", (int)lrintf(delta0));
1136  delta = duration;
1137  delta0 = 0;
1138  ost->sync_opts = lrint(sync_ipts);
1139  }
1140  case VSYNC_CFR:
1141  // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1142  if (frame_drop_threshold && delta < frame_drop_threshold && ost->frame_number) {
1143  nb_frames = 0;
1144  } else if (delta < -1.1)
1145  nb_frames = 0;
1146  else if (delta > 1.1) {
1147  nb_frames = lrintf(delta);
1148  if (delta0 > 1.1)
1149  nb0_frames = lrintf(delta0 - 0.6);
1150  }
1151  break;
1152  case VSYNC_VFR:
1153  if (delta <= -0.6)
1154  nb_frames = 0;
1155  else if (delta > 0.6)
1156  ost->sync_opts = lrint(sync_ipts);
1157  break;
1158  case VSYNC_DROP:
1159  case VSYNC_PASSTHROUGH:
1160  ost->sync_opts = lrint(sync_ipts);
1161  break;
1162  default:
1163  av_assert0(0);
1164  }
1165  }
1166 
1167  nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1168  nb0_frames = FFMIN(nb0_frames, nb_frames);
1169 
1170  memmove(ost->last_nb0_frames + 1,
1171  ost->last_nb0_frames,
1172  sizeof(ost->last_nb0_frames[0]) * (FF_ARRAY_ELEMS(ost->last_nb0_frames) - 1));
1173  ost->last_nb0_frames[0] = nb0_frames;
1174 
1175  if (nb0_frames == 0 && ost->last_dropped) {
1176  nb_frames_drop++;
1178  "*** dropping frame %d from stream %d at ts %"PRId64"\n",
1179  ost->frame_number, ost->st->index, ost->last_frame->pts);
1180  }
1181  if (nb_frames > (nb0_frames && ost->last_dropped) + (nb_frames > nb0_frames)) {
1182  if (nb_frames > dts_error_threshold * 30) {
1183  av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
1184  nb_frames_drop++;
1185  return;
1186  }
1187  nb_frames_dup += nb_frames - (nb0_frames && ost->last_dropped) - (nb_frames > nb0_frames);
1188  av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1189  if (nb_frames_dup > dup_warning) {
1190  av_log(NULL, AV_LOG_WARNING, "More than %d frames duplicated\n", dup_warning);
1191  dup_warning *= 10;
1192  }
1193  }
1194  ost->last_dropped = nb_frames == nb0_frames && next_picture;
1195 
1196  /* duplicates frame if needed */
1197  for (i = 0; i < nb_frames; i++) {
1198  AVFrame *in_picture;
1199  av_init_packet(&pkt);
1200  pkt.data = NULL;
1201  pkt.size = 0;
1202 
1203  if (i < nb0_frames && ost->last_frame) {
1204  in_picture = ost->last_frame;
1205  } else
1206  in_picture = next_picture;
1207 
1208  if (!in_picture)
1209  return;
1210 
1211  in_picture->pts = ost->sync_opts;
1212 
1213 #if 1
1214  if (!check_recording_time(ost))
1215 #else
1216  if (ost->frame_number >= ost->max_frames)
1217 #endif
1218  return;
1219 
1220  {
1221  int forced_keyframe = 0;
1222  double pts_time;
1223 
1225  ost->top_field_first >= 0)
1226  in_picture->top_field_first = !!ost->top_field_first;
1227 
1228  if (in_picture->interlaced_frame) {
1229  if (enc->codec->id == AV_CODEC_ID_MJPEG)
1230  mux_par->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
1231  else
1232  mux_par->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
1233  } else
1234  mux_par->field_order = AV_FIELD_PROGRESSIVE;
1235 
1236  in_picture->quality = enc->global_quality;
1237  in_picture->pict_type = 0;
1238 
1239  if (ost->forced_kf_ref_pts == AV_NOPTS_VALUE &&
1240  in_picture->pts != AV_NOPTS_VALUE)
1241  ost->forced_kf_ref_pts = in_picture->pts;
1242 
1243  pts_time = in_picture->pts != AV_NOPTS_VALUE ?
1244  (in_picture->pts - ost->forced_kf_ref_pts) * av_q2d(enc->time_base) : NAN;
1245  if (ost->forced_kf_index < ost->forced_kf_count &&
1246  in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1247  ost->forced_kf_index++;
1248  forced_keyframe = 1;
1249  } else if (ost->forced_keyframes_pexpr) {
1250  double res;
1251  ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
1254  ff_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
1260  res);
1261  if (res) {
1262  forced_keyframe = 1;
1268  }
1269 
1271  } else if ( ost->forced_keyframes
1272  && !strncmp(ost->forced_keyframes, "source", 6)
1273  && in_picture->key_frame==1) {
1274  forced_keyframe = 1;
1275  }
1276 
1277  if (forced_keyframe) {
1278  in_picture->pict_type = AV_PICTURE_TYPE_I;
1279  av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
1280  }
1281 
1283  if (debug_ts) {
1284  av_log(NULL, AV_LOG_INFO, "encoder <- type:video "
1285  "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
1286  av_ts2str(in_picture->pts), av_ts2timestr(in_picture->pts, &enc->time_base),
1287  enc->time_base.num, enc->time_base.den);
1288  }
1289 
1290  ost->frames_encoded++;
1291 
1292  ret = avcodec_send_frame(enc, in_picture);
1293  if (ret < 0)
1294  goto error;
1295 
1296  while (1) {
1297  ret = avcodec_receive_packet(enc, &pkt);
1298  update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
1299  if (ret == AVERROR(EAGAIN))
1300  break;
1301  if (ret < 0)
1302  goto error;
1303 
1304  if (debug_ts) {
1305  av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1306  "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1307  av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &enc->time_base),
1308  av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &enc->time_base));
1309  }
1310 
1311  if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & AV_CODEC_CAP_DELAY))
1312  pkt.pts = ost->sync_opts;
1313 
1314  av_packet_rescale_ts(&pkt, enc->time_base, ost->mux_timebase);
1315 
1316  if (debug_ts) {
1317  av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1318  "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1319  av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->mux_timebase),
1320  av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->mux_timebase));
1321  }
1322 
1323  frame_size = pkt.size;
1324  output_packet(of, &pkt, ost, 0);
1325 
1326  /* if two pass, output log */
1327  if (ost->logfile && enc->stats_out) {
1328  fprintf(ost->logfile, "%s", enc->stats_out);
1329  }
1330  }
1331  }
1332  ost->sync_opts++;
1333  /*
1334  * For video, number of frames in == number of packets out.
1335  * But there may be reordering, so we can't throw away frames on encoder
1336  * flush, we need to limit them here, before they go into encoder.
1337  */
1338  ost->frame_number++;
1339 
1340  if (vstats_filename && frame_size)
1341  do_video_stats(ost, frame_size);
1342  }
1343 
1344  if (!ost->last_frame)
1345  ost->last_frame = av_frame_alloc();
1346  av_frame_unref(ost->last_frame);
1347  if (next_picture && ost->last_frame)
1348  av_frame_ref(ost->last_frame, next_picture);
1349  else
1350  av_frame_free(&ost->last_frame);
1351 
1352  return;
1353 error:
1354  av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1355  exit_program(1);
1356 }
1357 
1358 static double psnr(double d)
1359 {
1360  return -10.0 * log10(d);
1361 }
1362 
1364 {
1365  AVCodecContext *enc;
1366  int frame_number;
1367  double ti1, bitrate, avg_bitrate;
1368 
1369  /* this is executed just the first time do_video_stats is called */
1370  if (!vstats_file) {
1371  vstats_file = fopen(vstats_filename, "w");
1372  if (!vstats_file) {
1373  perror("fopen");
1374  exit_program(1);
1375  }
1376  }
1377 
1378  enc = ost->enc_ctx;
1379  if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1380  frame_number = ost->st->nb_frames;
1381  if (vstats_version <= 1) {
1382  fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number,
1383  ost->quality / (float)FF_QP2LAMBDA);
1384  } else {
1385  fprintf(vstats_file, "out= %2d st= %2d frame= %5d q= %2.1f ", ost->file_index, ost->index, frame_number,
1386  ost->quality / (float)FF_QP2LAMBDA);
1387  }
1388 
1389  if (ost->error[0]>=0 && (enc->flags & AV_CODEC_FLAG_PSNR))
1390  fprintf(vstats_file, "PSNR= %6.2f ", psnr(ost->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1391 
1392  fprintf(vstats_file,"f_size= %6d ", frame_size);
1393  /* compute pts value */
1394  ti1 = av_stream_get_end_pts(ost->st) * av_q2d(ost->st->time_base);
1395  if (ti1 < 0.01)
1396  ti1 = 0.01;
1397 
1398  bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1399  avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0;
1400  fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1401  (double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
1402  fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(ost->pict_type));
1403  }
1404 }
1405 
1406 static int init_output_stream(OutputStream *ost, char *error, int error_len);
1407 
1409 {
1410  OutputFile *of = output_files[ost->file_index];
1411  int i;
1412 
1414 
1415  if (of->shortest) {
1416  for (i = 0; i < of->ctx->nb_streams; i++)
1417  output_streams[of->ost_index + i]->finished = ENCODER_FINISHED | MUXER_FINISHED;
1418  }
1419 }
1420 
1421 /**
1422  * Get and encode new output from any of the filtergraphs, without causing
1423  * activity.
1424  *
1425  * @return 0 for success, <0 for severe errors
1426  */
1427 static int reap_filters(int flush)
1428 {
1429  AVFrame *filtered_frame = NULL;
1430  int i;
1431 
1432  /* Reap all buffers present in the buffer sinks */
1433  for (i = 0; i < nb_output_streams; i++) {
1434  OutputStream *ost = output_streams[i];
1435  OutputFile *of = output_files[ost->file_index];
1437  AVCodecContext *enc = ost->enc_ctx;
1438  int ret = 0;
1439 
1440  if (!ost->filter || !ost->filter->graph->graph)
1441  continue;
1442  filter = ost->filter->filter;
1443 
1444  if (!ost->initialized) {
1445  char error[1024] = "";
1446  ret = init_output_stream(ost, error, sizeof(error));
1447  if (ret < 0) {
1448  av_log(NULL, AV_LOG_ERROR, "Error initializing output stream %d:%d -- %s\n",
1449  ost->file_index, ost->index, error);
1450  exit_program(1);
1451  }
1452  }
1453 
1454  if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
1455  return AVERROR(ENOMEM);
1456  }
1457  filtered_frame = ost->filtered_frame;
1458 
1459  while (1) {
1460  double float_pts = AV_NOPTS_VALUE; // this is identical to filtered_frame.pts but with higher precision
1461  ret = av_buffersink_get_frame_flags(filter, filtered_frame,
1463  if (ret < 0) {
1464  if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
1466  "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret));
1467  } else if (flush && ret == AVERROR_EOF) {
1469  do_video_out(of, ost, NULL, AV_NOPTS_VALUE);
1470  }
1471  break;
1472  }
1473  if (ost->finished) {
1474  av_frame_unref(filtered_frame);
1475  continue;
1476  }
1477  if (filtered_frame->pts != AV_NOPTS_VALUE) {
1478  int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1479  AVRational filter_tb = av_buffersink_get_time_base(filter);
1480  AVRational tb = enc->time_base;
1481  int extra_bits = av_clip(29 - av_log2(tb.den), 0, 16);
1482 
1483  tb.den <<= extra_bits;
1484  float_pts =
1485  av_rescale_q(filtered_frame->pts, filter_tb, tb) -
1486  av_rescale_q(start_time, AV_TIME_BASE_Q, tb);
1487  float_pts /= 1 << extra_bits;
1488  // avoid exact midoints to reduce the chance of rounding differences, this can be removed in case the fps code is changed to work with integers
1489  float_pts += FFSIGN(float_pts) * 1.0 / (1<<17);
1490 
1491  filtered_frame->pts =
1492  av_rescale_q(filtered_frame->pts, filter_tb, enc->time_base) -
1493  av_rescale_q(start_time, AV_TIME_BASE_Q, enc->time_base);
1494  }
1495  //if (ost->source_index >= 0)
1496  // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
1497 
1498  switch (av_buffersink_get_type(filter)) {
1499  case AVMEDIA_TYPE_VIDEO:
1500  if (!ost->frame_aspect_ratio.num)
1501  enc->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
1502 
1503  if (debug_ts) {
1504  av_log(NULL, AV_LOG_INFO, "filter -> pts:%s pts_time:%s exact:%f time_base:%d/%d\n",
1505  av_ts2str(filtered_frame->pts), av_ts2timestr(filtered_frame->pts, &enc->time_base),
1506  float_pts,
1507  enc->time_base.num, enc->time_base.den);
1508  }
1509 
1510  do_video_out(of, ost, filtered_frame, float_pts);
1511  break;
1512  case AVMEDIA_TYPE_AUDIO:
1513  if (!(enc->codec->capabilities & AV_CODEC_CAP_PARAM_CHANGE) &&
1514  enc->channels != filtered_frame->channels) {
1516  "Audio filter graph output is not normalized and encoder does not support parameter changes\n");
1517  break;
1518  }
1519  do_audio_out(of, ost, filtered_frame);
1520  break;
1521  default:
1522  // TODO support subtitle filters
1523  av_assert0(0);
1524  }
1525 
1526  av_frame_unref(filtered_frame);
1527  }
1528  }
1529 
1530  return 0;
1531 }
1532 
1533 static void print_final_stats(int64_t total_size)
1534 {
1535  uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0;
1536  uint64_t subtitle_size = 0;
1537  uint64_t data_size = 0;
1538  float percent = -1.0;
1539  int i, j;
1540  int pass1_used = 1;
1541 
1542  for (i = 0; i < nb_output_streams; i++) {
1543  OutputStream *ost = output_streams[i];
1544  switch (ost->enc_ctx->codec_type) {
1545  case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break;
1546  case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break;
1547  case AVMEDIA_TYPE_SUBTITLE: subtitle_size += ost->data_size; break;
1548  default: other_size += ost->data_size; break;
1549  }
1550  extra_size += ost->enc_ctx->extradata_size;
1551  data_size += ost->data_size;
1554  pass1_used = 0;
1555  }
1556 
1557  if (data_size && total_size>0 && total_size >= data_size)
1558  percent = 100.0 * (total_size - data_size) / data_size;
1559 
1560  av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB subtitle:%1.0fkB other streams:%1.0fkB global headers:%1.0fkB muxing overhead: ",
1561  video_size / 1024.0,
1562  audio_size / 1024.0,
1563  subtitle_size / 1024.0,
1564  other_size / 1024.0,
1565  extra_size / 1024.0);
1566  if (percent >= 0.0)
1567  av_log(NULL, AV_LOG_INFO, "%f%%", percent);
1568  else
1569  av_log(NULL, AV_LOG_INFO, "unknown");
1570  av_log(NULL, AV_LOG_INFO, "\n");
1571 
1572  /* print verbose per-stream stats */
1573  for (i = 0; i < nb_input_files; i++) {
1574  InputFile *f = input_files[i];
1575  uint64_t total_packets = 0, total_size = 0;
1576 
1577  av_log(NULL, AV_LOG_VERBOSE, "Input file #%d (%s):\n",
1578  i, f->ctx->url);
1579 
1580  for (j = 0; j < f->nb_streams; j++) {
1581  InputStream *ist = input_streams[f->ist_index + j];
1582  enum AVMediaType type = ist->dec_ctx->codec_type;
1583 
1584  total_size += ist->data_size;
1585  total_packets += ist->nb_packets;
1586 
1587  av_log(NULL, AV_LOG_VERBOSE, " Input stream #%d:%d (%s): ",
1588  i, j, media_type_string(type));
1589  av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets read (%"PRIu64" bytes); ",
1590  ist->nb_packets, ist->data_size);
1591 
1592  if (ist->decoding_needed) {
1593  av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames decoded",
1594  ist->frames_decoded);
1595  if (type == AVMEDIA_TYPE_AUDIO)
1596  av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->samples_decoded);
1597  av_log(NULL, AV_LOG_VERBOSE, "; ");
1598  }
1599 
1600  av_log(NULL, AV_LOG_VERBOSE, "\n");
1601  }
1602 
1603  av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) demuxed\n",
1604  total_packets, total_size);
1605  }
1606 
1607  for (i = 0; i < nb_output_files; i++) {
1608  OutputFile *of = output_files[i];
1609  uint64_t total_packets = 0, total_size = 0;
1610 
1611  av_log(NULL, AV_LOG_VERBOSE, "Output file #%d (%s):\n",
1612  i, of->ctx->url);
1613 
1614  for (j = 0; j < of->ctx->nb_streams; j++) {
1615  OutputStream *ost = output_streams[of->ost_index + j];
1616  enum AVMediaType type = ost->enc_ctx->codec_type;
1617 
1618  total_size += ost->data_size;
1619  total_packets += ost->packets_written;
1620 
1621  av_log(NULL, AV_LOG_VERBOSE, " Output stream #%d:%d (%s): ",
1622  i, j, media_type_string(type));
1623  if (ost->encoding_needed) {
1624  av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames encoded",
1625  ost->frames_encoded);
1626  if (type == AVMEDIA_TYPE_AUDIO)
1627  av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ost->samples_encoded);
1628  av_log(NULL, AV_LOG_VERBOSE, "; ");
1629  }
1630 
1631  av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets muxed (%"PRIu64" bytes); ",
1632  ost->packets_written, ost->data_size);
1633 
1634  av_log(NULL, AV_LOG_VERBOSE, "\n");
1635  }
1636 
1637  av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) muxed\n",
1638  total_packets, total_size);
1639  }
1640  if(video_size + data_size + audio_size + subtitle_size + extra_size == 0){
1641  av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded ");
1642  if (pass1_used) {
1643  av_log(NULL, AV_LOG_WARNING, "\n");
1644  } else {
1645  av_log(NULL, AV_LOG_WARNING, "(check -ss / -t / -frames parameters if used)\n");
1646  }
1647  }
1648 }
1649 
1650 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1651 {
1652  AVBPrint buf, buf_script;
1653  OutputStream *ost;
1654  AVFormatContext *oc;
1655  int64_t total_size;
1656  AVCodecContext *enc;
1657  int frame_number, vid, i;
1658  double bitrate;
1659  double speed;
1660  int64_t pts = INT64_MIN + 1;
1661  static int64_t last_time = -1;
1662  static int qp_histogram[52];
1663  int hours, mins, secs, us;
1664  const char *hours_sign;
1665  int ret;
1666  float t;
1667 
1668  if (!print_stats && !is_last_report && !progress_avio)
1669  return;
1670 
1671  if (!is_last_report) {
1672  if (last_time == -1) {
1673  last_time = cur_time;
1674  return;
1675  }
1676  if ((cur_time - last_time) < 500000)
1677  return;
1678  last_time = cur_time;
1679  }
1680 
1681  t = (cur_time-timer_start) / 1000000.0;
1682 
1683 
1684  oc = output_files[0]->ctx;
1685 
1686  total_size = avio_size(oc->pb);
1687  if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
1688  total_size = avio_tell(oc->pb);
1689 
1690  vid = 0;
1692  av_bprint_init(&buf_script, 0, AV_BPRINT_SIZE_AUTOMATIC);
1693  for (i = 0; i < nb_output_streams; i++) {
1694  float q = -1;
1695  ost = output_streams[i];
1696  enc = ost->enc_ctx;
1697  if (!ost->stream_copy)
1698  q = ost->quality / (float) FF_QP2LAMBDA;
1699 
1700  if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1701  av_bprintf(&buf, "q=%2.1f ", q);
1702  av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1703  ost->file_index, ost->index, q);
1704  }
1705  if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1706  float fps;
1707 
1708  frame_number = ost->frame_number;
1709  fps = t > 1 ? frame_number / t : 0;
1710  av_bprintf(&buf, "frame=%5d fps=%3.*f q=%3.1f ",
1711  frame_number, fps < 9.95, fps, q);
1712  av_bprintf(&buf_script, "frame=%d\n", frame_number);
1713  av_bprintf(&buf_script, "fps=%.2f\n", fps);
1714  av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1715  ost->file_index, ost->index, q);
1716  if (is_last_report)
1717  av_bprintf(&buf, "L");
1718  if (qp_hist) {
1719  int j;
1720  int qp = lrintf(q);
1721  if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1722  qp_histogram[qp]++;
1723  for (j = 0; j < 32; j++)
1724  av_bprintf(&buf, "%X", av_log2(qp_histogram[j] + 1));
1725  }
1726 
1727  if ((enc->flags & AV_CODEC_FLAG_PSNR) && (ost->pict_type != AV_PICTURE_TYPE_NONE || is_last_report)) {
1728  int j;
1729  double error, error_sum = 0;
1730  double scale, scale_sum = 0;
1731  double p;
1732  char type[3] = { 'Y','U','V' };
1733  av_bprintf(&buf, "PSNR=");
1734  for (j = 0; j < 3; j++) {
1735  if (is_last_report) {
1736  error = enc->error[j];
1737  scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1738  } else {
1739  error = ost->error[j];
1740  scale = enc->width * enc->height * 255.0 * 255.0;
1741  }
1742  if (j)
1743  scale /= 4;
1744  error_sum += error;
1745  scale_sum += scale;
1746  p = psnr(error / scale);
1747  av_bprintf(&buf, "%c:%2.2f ", type[j], p);
1748  av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1749  ost->file_index, ost->index, type[j] | 32, p);
1750  }
1751  p = psnr(error_sum / scale_sum);
1752  av_bprintf(&buf, "*:%2.2f ", psnr(error_sum / scale_sum));
1753  av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1754  ost->file_index, ost->index, p);
1755  }
1756  vid = 1;
1757  }
1758  /* compute min output value */
1760  pts = FFMAX(pts, av_rescale_q(av_stream_get_end_pts(ost->st),
1761  ost->st->time_base, AV_TIME_BASE_Q));
1762  if (is_last_report)
1763  nb_frames_drop += ost->last_dropped;
1764  }
1765 
1766  secs = FFABS(pts) / AV_TIME_BASE;
1767  us = FFABS(pts) % AV_TIME_BASE;
1768  mins = secs / 60;
1769  secs %= 60;
1770  hours = mins / 60;
1771  mins %= 60;
1772  hours_sign = (pts < 0) ? "-" : "";
1773 
1774  bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
1775  speed = t != 0.0 ? (double)pts / AV_TIME_BASE / t : -1;
1776 
1777  if (total_size < 0) av_bprintf(&buf, "size=N/A time=");
1778  else av_bprintf(&buf, "size=%8.0fkB time=", total_size / 1024.0);
1779  if (pts == AV_NOPTS_VALUE) {
1780  av_bprintf(&buf, "N/A ");
1781  } else {
1782  av_bprintf(&buf, "%s%02d:%02d:%02d.%02d ",
1783  hours_sign, hours, mins, secs, (100 * us) / AV_TIME_BASE);
1784  }
1785 
1786  if (bitrate < 0) {
1787  av_bprintf(&buf, "bitrate=N/A");
1788  av_bprintf(&buf_script, "bitrate=N/A\n");
1789  }else{
1790  av_bprintf(&buf, "bitrate=%6.1fkbits/s", bitrate);
1791  av_bprintf(&buf_script, "bitrate=%6.1fkbits/s\n", bitrate);
1792  }
1793 
1794  if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
1795  else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1796  if (pts == AV_NOPTS_VALUE) {
1797  av_bprintf(&buf_script, "out_time_us=N/A\n");
1798  av_bprintf(&buf_script, "out_time_ms=N/A\n");
1799  av_bprintf(&buf_script, "out_time=N/A\n");
1800  } else {
1801  av_bprintf(&buf_script, "out_time_us=%"PRId64"\n", pts);
1802  av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1803  av_bprintf(&buf_script, "out_time=%s%02d:%02d:%02d.%06d\n",
1804  hours_sign, hours, mins, secs, us);
1805  }
1806 
1808  av_bprintf(&buf, " dup=%d drop=%d", nb_frames_dup, nb_frames_drop);
1809  av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1810  av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1811 
1812  if (speed < 0) {
1813  av_bprintf(&buf, " speed=N/A");
1814  av_bprintf(&buf_script, "speed=N/A\n");
1815  } else {
1816  av_bprintf(&buf, " speed=%4.3gx", speed);
1817  av_bprintf(&buf_script, "speed=%4.3gx\n", speed);
1818  }
1819 
1820  if (print_stats || is_last_report) {
1821  const char end = is_last_report ? '\n' : '\r';
1822  if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
1823  fprintf(stderr, "%s %c", buf.str, end);
1824  } else
1825  av_log(NULL, AV_LOG_INFO, "%s %c", buf.str, end);
1826 
1827  fflush(stderr);
1828  }
1829  av_bprint_finalize(&buf, NULL);
1830 
1831  if (progress_avio) {
1832  av_bprintf(&buf_script, "progress=%s\n",
1833  is_last_report ? "end" : "continue");
1834  avio_write(progress_avio, buf_script.str,
1835  FFMIN(buf_script.len, buf_script.size - 1));
1836  avio_flush(progress_avio);
1837  av_bprint_finalize(&buf_script, NULL);
1838  if (is_last_report) {
1839  if ((ret = avio_closep(&progress_avio)) < 0)
1841  "Error closing progress log, loss of information possible: %s\n", av_err2str(ret));
1842  }
1843  }
1844 
1845  if (is_last_report)
1846  print_final_stats(total_size);
1847 }
1848 
1850 {
1851  // We never got any input. Set a fake format, which will
1852  // come from libavformat.
1853  ifilter->format = par->format;
1854  ifilter->sample_rate = par->sample_rate;
1855  ifilter->channels = par->channels;
1856  ifilter->channel_layout = par->channel_layout;
1857  ifilter->width = par->width;
1858  ifilter->height = par->height;
1859  ifilter->sample_aspect_ratio = par->sample_aspect_ratio;
1860 }
1861 
1862 static void flush_encoders(void)
1863 {
1864  int i, ret;
1865 
1866  for (i = 0; i < nb_output_streams; i++) {
1867  OutputStream *ost = output_streams[i];
1868  AVCodecContext *enc = ost->enc_ctx;
1869  OutputFile *of = output_files[ost->file_index];
1870 
1871  if (!ost->encoding_needed)
1872  continue;
1873 
1874  // Try to enable encoding with no input frames.
1875  // Maybe we should just let encoding fail instead.
1876  if (!ost->initialized) {
1877  FilterGraph *fg = ost->filter->graph;
1878  char error[1024] = "";
1879 
1881  "Finishing stream %d:%d without any data written to it.\n",
1882  ost->file_index, ost->st->index);
1883 
1884  if (ost->filter && !fg->graph) {
1885  int x;
1886  for (x = 0; x < fg->nb_inputs; x++) {
1887  InputFilter *ifilter = fg->inputs[x];
1888  if (ifilter->format < 0)
1889  ifilter_parameters_from_codecpar(ifilter, ifilter->ist->st->codecpar);
1890  }
1891 
1893  continue;
1894 
1895  ret = configure_filtergraph(fg);
1896  if (ret < 0) {
1897  av_log(NULL, AV_LOG_ERROR, "Error configuring filter graph\n");
1898  exit_program(1);
1899  }
1900 
1901  finish_output_stream(ost);
1902  }
1903 
1904  ret = init_output_stream(ost, error, sizeof(error));
1905  if (ret < 0) {
1906  av_log(NULL, AV_LOG_ERROR, "Error initializing output stream %d:%d -- %s\n",
1907  ost->file_index, ost->index, error);
1908  exit_program(1);
1909  }
1910  }
1911 
1912  if (enc->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1913  continue;
1914 
1916  continue;
1917 
1918  for (;;) {
1919  const char *desc = NULL;
1920  AVPacket pkt;
1921  int pkt_size;
1922 
1923  switch (enc->codec_type) {
1924  case AVMEDIA_TYPE_AUDIO:
1925  desc = "audio";
1926  break;
1927  case AVMEDIA_TYPE_VIDEO:
1928  desc = "video";
1929  break;
1930  default:
1931  av_assert0(0);
1932  }
1933 
1934  av_init_packet(&pkt);
1935  pkt.data = NULL;
1936  pkt.size = 0;
1937 
1939 
1940  while ((ret = avcodec_receive_packet(enc, &pkt)) == AVERROR(EAGAIN)) {
1941  ret = avcodec_send_frame(enc, NULL);
1942  if (ret < 0) {
1943  av_log(NULL, AV_LOG_FATAL, "%s encoding failed: %s\n",
1944  desc,
1945  av_err2str(ret));
1946  exit_program(1);
1947  }
1948  }
1949 
1950  update_benchmark("flush_%s %d.%d", desc, ost->file_index, ost->index);
1951  if (ret < 0 && ret != AVERROR_EOF) {
1952  av_log(NULL, AV_LOG_FATAL, "%s encoding failed: %s\n",
1953  desc,
1954  av_err2str(ret));
1955  exit_program(1);
1956  }
1957  if (ost->logfile && enc->stats_out) {
1958  fprintf(ost->logfile, "%s", enc->stats_out);
1959  }
1960  if (ret == AVERROR_EOF) {
1961  output_packet(of, &pkt, ost, 1);
1962  break;
1963  }
1964  if (ost->finished & MUXER_FINISHED) {
1965  av_packet_unref(&pkt);
1966  continue;
1967  }
1968  av_packet_rescale_ts(&pkt, enc->time_base, ost->mux_timebase);
1969  pkt_size = pkt.size;
1970  output_packet(of, &pkt, ost, 0);
1972  do_video_stats(ost, pkt_size);
1973  }
1974  }
1975  }
1976 }
1977 
1978 /*
1979  * Check whether a packet from ist should be written into ost at this time
1980  */
1982 {
1983  OutputFile *of = output_files[ost->file_index];
1984  int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1985 
1986  if (ost->source_index != ist_index)
1987  return 0;
1988 
1989  if (ost->finished)
1990  return 0;
1991 
1992  if (of->start_time != AV_NOPTS_VALUE && ist->pts < of->start_time)
1993  return 0;
1994 
1995  return 1;
1996 }
1997 
1999 {
2000  OutputFile *of = output_files[ost->file_index];
2001  InputFile *f = input_files [ist->file_index];
2002  int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
2003  int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->mux_timebase);
2004  AVPacket opkt = { 0 };
2005 
2006  av_init_packet(&opkt);
2007 
2008  // EOF: flush output bitstream filters.
2009  if (!pkt) {
2010  output_packet(of, &opkt, ost, 1);
2011  return;
2012  }
2013 
2014  if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
2016  return;
2017 
2018  if (!ost->frame_number && !ost->copy_prior_start) {
2019  int64_t comp_start = start_time;
2020  if (copy_ts && f->start_time != AV_NOPTS_VALUE)
2021  comp_start = FFMAX(start_time, f->start_time + f->ts_offset);
2022  if (pkt->pts == AV_NOPTS_VALUE ?
2023  ist->pts < comp_start :
2024  pkt->pts < av_rescale_q(comp_start, AV_TIME_BASE_Q, ist->st->time_base))
2025  return;
2026  }
2027 
2028  if (of->recording_time != INT64_MAX &&
2029  ist->pts >= of->recording_time + start_time) {
2030  close_output_stream(ost);
2031  return;
2032  }
2033 
2034  if (f->recording_time != INT64_MAX) {
2035  start_time = f->ctx->start_time;
2036  if (f->start_time != AV_NOPTS_VALUE && copy_ts)
2037  start_time += f->start_time;
2038  if (ist->pts >= f->recording_time + start_time) {
2039  close_output_stream(ost);
2040  return;
2041  }
2042  }
2043 
2044  /* force the input stream PTS */
2045  if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
2046  ost->sync_opts++;
2047 
2048  if (pkt->pts != AV_NOPTS_VALUE)
2049  opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->mux_timebase) - ost_tb_start_time;
2050  else
2051  opkt.pts = AV_NOPTS_VALUE;
2052 
2053  if (pkt->dts == AV_NOPTS_VALUE)
2054  opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->mux_timebase);
2055  else
2056  opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->mux_timebase);
2057  opkt.dts -= ost_tb_start_time;
2058 
2059  if (ost->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
2061  if(!duration)
2062  duration = ist->dec_ctx->frame_size;
2063  opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts,
2065  ost->mux_timebase) - ost_tb_start_time;
2066  }
2067 
2068  opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->mux_timebase);
2069 
2070  opkt.flags = pkt->flags;
2071 
2072  if (pkt->buf) {
2073  opkt.buf = av_buffer_ref(pkt->buf);
2074  if (!opkt.buf)
2075  exit_program(1);
2076  }
2077  opkt.data = pkt->data;
2078  opkt.size = pkt->size;
2079 
2080  av_copy_packet_side_data(&opkt, pkt);
2081 
2082  output_packet(of, &opkt, ost, 0);
2083 }
2084 
2086 {
2087  AVCodecContext *dec = ist->dec_ctx;
2088 
2089  if (!dec->channel_layout) {
2090  char layout_name[256];
2091 
2092  if (dec->channels > ist->guess_layout_max)
2093  return 0;
2095  if (!dec->channel_layout)
2096  return 0;
2097  av_get_channel_layout_string(layout_name, sizeof(layout_name),
2098  dec->channels, dec->channel_layout);
2099  av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
2100  "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
2101  }
2102  return 1;
2103 }
2104 
2105 static void check_decode_result(InputStream *ist, int *got_output, int ret)
2106 {
2107  if (*got_output || ret<0)
2108  decode_error_stat[ret<0] ++;
2109 
2110  if (ret < 0 && exit_on_error)
2111  exit_program(1);
2112 
2113  if (*got_output && ist) {
2116  "%s: corrupt decoded frame in stream %d\n", input_files[ist->file_index]->ctx->url, ist->st->index);
2117  if (exit_on_error)
2118  exit_program(1);
2119  }
2120  }
2121 }
2122 
2123 // Filters can be configured only if the formats of all inputs are known.
2125 {
2126  int i;
2127  for (i = 0; i < fg->nb_inputs; i++) {
2128  if (fg->inputs[i]->format < 0 && (fg->inputs[i]->type == AVMEDIA_TYPE_AUDIO ||
2129  fg->inputs[i]->type == AVMEDIA_TYPE_VIDEO))
2130  return 0;
2131  }
2132  return 1;
2133 }
2134 
2136 {
2137  FilterGraph *fg = ifilter->graph;
2138  int need_reinit, ret, i;
2139 
2140  /* determine if the parameters for this input changed */
2141  need_reinit = ifilter->format != frame->format;
2142  if (!!ifilter->hw_frames_ctx != !!frame->hw_frames_ctx ||
2143  (ifilter->hw_frames_ctx && ifilter->hw_frames_ctx->data != frame->hw_frames_ctx->data))
2144  need_reinit = 1;
2145 
2146  switch (ifilter->ist->st->codecpar->codec_type) {
2147  case AVMEDIA_TYPE_AUDIO:
2148  need_reinit |= ifilter->sample_rate != frame->sample_rate ||
2149  ifilter->channels != frame->channels ||
2150  ifilter->channel_layout != frame->channel_layout;
2151  break;
2152  case AVMEDIA_TYPE_VIDEO:
2153  need_reinit |= ifilter->width != frame->width ||
2154  ifilter->height != frame->height;
2155  break;
2156  }
2157 
2158  if (need_reinit) {
2159  ret = ifilter_parameters_from_frame(ifilter, frame);
2160  if (ret < 0)
2161  return ret;
2162  }
2163 
2164  /* (re)init the graph if possible, otherwise buffer the frame and return */
2165  if (need_reinit || !fg->graph) {
2166  for (i = 0; i < fg->nb_inputs; i++) {
2167  if (!ifilter_has_all_input_formats(fg)) {
2168  AVFrame *tmp = av_frame_clone(frame);
2169  if (!tmp)
2170  return AVERROR(ENOMEM);
2171  av_frame_unref(frame);
2172 
2173  if (!av_fifo_space(ifilter->frame_queue)) {
2174  ret = av_fifo_realloc2(ifilter->frame_queue, 2 * av_fifo_size(ifilter->frame_queue));
2175  if (ret < 0) {
2176  av_frame_free(&tmp);
2177  return ret;
2178  }
2179  }
2180  av_fifo_generic_write(ifilter->frame_queue, &tmp, sizeof(tmp), NULL);
2181  return 0;
2182  }
2183  }
2184 
2185  ret = reap_filters(1);
2186  if (ret < 0 && ret != AVERROR_EOF) {
2187  av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", av_err2str(ret));
2188  return ret;
2189  }
2190 
2191  ret = configure_filtergraph(fg);
2192  if (ret < 0) {
2193  av_log(NULL, AV_LOG_ERROR, "Error reinitializing filters!\n");
2194  return ret;
2195  }
2196  }
2197 
2199  if (ret < 0) {
2200  if (ret != AVERROR_EOF)
2201  av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", av_err2str(ret));
2202  return ret;
2203  }
2204 
2205  return 0;
2206 }
2207 
2208 static int ifilter_send_eof(InputFilter *ifilter, int64_t pts)
2209 {
2210  int ret;
2211 
2212  ifilter->eof = 1;
2213 
2214  if (ifilter->filter) {
2215  ret = av_buffersrc_close(ifilter->filter, pts, AV_BUFFERSRC_FLAG_PUSH);
2216  if (ret < 0)
2217  return ret;
2218  } else {
2219  // the filtergraph was never configured
2220  if (ifilter->format < 0)
2221  ifilter_parameters_from_codecpar(ifilter, ifilter->ist->st->codecpar);
2222  if (ifilter->format < 0 && (ifilter->type == AVMEDIA_TYPE_AUDIO || ifilter->type == AVMEDIA_TYPE_VIDEO)) {
2223  av_log(NULL, AV_LOG_ERROR, "Cannot determine format of input stream %d:%d after EOF\n", ifilter->ist->file_index, ifilter->ist->st->index);
2224  return AVERROR_INVALIDDATA;
2225  }
2226  }
2227 
2228  return 0;
2229 }
2230 
2231 // This does not quite work like avcodec_decode_audio4/avcodec_decode_video2.
2232 // There is the following difference: if you got a frame, you must call
2233 // it again with pkt=NULL. pkt==NULL is treated differently from pkt->size==0
2234 // (pkt==NULL means get more output, pkt->size==0 is a flush/drain packet)
2235 static int decode(AVCodecContext *avctx, AVFrame *frame, int *got_frame, AVPacket *pkt)
2236 {
2237  int ret;
2238 
2239  *got_frame = 0;
2240 
2241  if (pkt) {
2242  ret = avcodec_send_packet(avctx, pkt);
2243  // In particular, we don't expect AVERROR(EAGAIN), because we read all
2244  // decoded frames with avcodec_receive_frame() until done.
2245  if (ret < 0 && ret != AVERROR_EOF)
2246  return ret;
2247  }
2248 
2249  ret = avcodec_receive_frame(avctx, frame);
2250  if (ret < 0 && ret != AVERROR(EAGAIN))
2251  return ret;
2252  if (ret >= 0)
2253  *got_frame = 1;
2254 
2255  return 0;
2256 }
2257 
2258 static int send_frame_to_filters(InputStream *ist, AVFrame *decoded_frame)
2259 {
2260  int i, ret;
2261  AVFrame *f;
2262 
2263  av_assert1(ist->nb_filters > 0); /* ensure ret is initialized */
2264  for (i = 0; i < ist->nb_filters; i++) {
2265  if (i < ist->nb_filters - 1) {
2266  f = ist->filter_frame;
2267  ret = av_frame_ref(f, decoded_frame);
2268  if (ret < 0)
2269  break;
2270  } else
2271  f = decoded_frame;
2272  ret = ifilter_send_frame(ist->filters[i], f);
2273  if (ret == AVERROR_EOF)
2274  ret = 0; /* ignore */
2275  if (ret < 0) {
2277  "Failed to inject frame into filter network: %s\n", av_err2str(ret));
2278  break;
2279  }
2280  }
2281  return ret;
2282 }
2283 
2284 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output,
2285  int *decode_failed)
2286 {
2287  AVFrame *decoded_frame;
2288  AVCodecContext *avctx = ist->dec_ctx;
2289  int ret, err = 0;
2290  AVRational decoded_frame_tb;
2291 
2292  if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
2293  return AVERROR(ENOMEM);
2294  if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
2295  return AVERROR(ENOMEM);
2296  decoded_frame = ist->decoded_frame;
2297 
2299  ret = decode(avctx, decoded_frame, got_output, pkt);
2300  update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
2301  if (ret < 0)
2302  *decode_failed = 1;
2303 
2304  if (ret >= 0 && avctx->sample_rate <= 0) {
2305  av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
2306  ret = AVERROR_INVALIDDATA;
2307  }
2308 
2309  if (ret != AVERROR_EOF)
2310  check_decode_result(ist, got_output, ret);
2311 
2312  if (!*got_output || ret < 0)
2313  return ret;
2314 
2315  ist->samples_decoded += decoded_frame->nb_samples;
2316  ist->frames_decoded++;
2317 
2318 #if 1
2319  /* increment next_dts to use for the case where the input stream does not
2320  have timestamps or there are multiple frames in the packet */
2321  ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
2322  avctx->sample_rate;
2323  ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
2324  avctx->sample_rate;
2325 #endif
2326 
2327  if (decoded_frame->pts != AV_NOPTS_VALUE) {
2328  decoded_frame_tb = ist->st->time_base;
2329  } else if (pkt && pkt->pts != AV_NOPTS_VALUE) {
2330  decoded_frame->pts = pkt->pts;
2331  decoded_frame_tb = ist->st->time_base;
2332  }else {
2333  decoded_frame->pts = ist->dts;
2334  decoded_frame_tb = AV_TIME_BASE_Q;
2335  }
2336  if (decoded_frame->pts != AV_NOPTS_VALUE)
2337  decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
2338  (AVRational){1, avctx->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
2339  (AVRational){1, avctx->sample_rate});
2340  ist->nb_samples = decoded_frame->nb_samples;
2341  err = send_frame_to_filters(ist, decoded_frame);
2342 
2343  av_frame_unref(ist->filter_frame);
2344  av_frame_unref(decoded_frame);
2345  return err < 0 ? err : ret;
2346 }
2347 
2348 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *duration_pts, int eof,
2349  int *decode_failed)
2350 {
2351  AVFrame *decoded_frame;
2352  int i, ret = 0, err = 0;
2353  int64_t best_effort_timestamp;
2354  int64_t dts = AV_NOPTS_VALUE;
2355  AVPacket avpkt;
2356 
2357  // With fate-indeo3-2, we're getting 0-sized packets before EOF for some
2358  // reason. This seems like a semi-critical bug. Don't trigger EOF, and
2359  // skip the packet.
2360  if (!eof && pkt && pkt->size == 0)
2361  return 0;
2362 
2363  if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
2364  return AVERROR(ENOMEM);
2365  if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
2366  return AVERROR(ENOMEM);
2367  decoded_frame = ist->decoded_frame;
2368  if (ist->dts != AV_NOPTS_VALUE)
2369  dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
2370  if (pkt) {
2371  avpkt = *pkt;
2372  avpkt.dts = dts; // ffmpeg.c probably shouldn't do this
2373  }
2374 
2375  // The old code used to set dts on the drain packet, which does not work
2376  // with the new API anymore.
2377  if (eof) {
2378  void *new = av_realloc_array(ist->dts_buffer, ist->nb_dts_buffer + 1, sizeof(ist->dts_buffer[0]));
2379  if (!new)
2380  return AVERROR(ENOMEM);
2381  ist->dts_buffer = new;
2382  ist->dts_buffer[ist->nb_dts_buffer++] = dts;
2383  }
2384 
2386  ret = decode(ist->dec_ctx, decoded_frame, got_output, pkt ? &avpkt : NULL);
2387  update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
2388  if (ret < 0)
2389  *decode_failed = 1;
2390 
2391  // The following line may be required in some cases where there is no parser
2392  // or the parser does not has_b_frames correctly
2393  if (ist->st->codecpar->video_delay < ist->dec_ctx->has_b_frames) {
2394  if (ist->dec_ctx->codec_id == AV_CODEC_ID_H264) {
2395  ist->st->codecpar->video_delay = ist->dec_ctx->has_b_frames;
2396  } else
2398  "video_delay is larger in decoder than demuxer %d > %d.\n"
2399  "If you want to help, upload a sample "
2400  "of this file to ftp://upload.ffmpeg.org/incoming/ "
2401  "and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)\n",
2402  ist->dec_ctx->has_b_frames,
2403  ist->st->codecpar->video_delay);
2404  }
2405 
2406  if (ret != AVERROR_EOF)
2407  check_decode_result(ist, got_output, ret);
2408 
2409  if (*got_output && ret >= 0) {
2410  if (ist->dec_ctx->width != decoded_frame->width ||
2411  ist->dec_ctx->height != decoded_frame->height ||
2412  ist->dec_ctx->pix_fmt != decoded_frame->format) {
2413  av_log(NULL, AV_LOG_DEBUG, "Frame parameters mismatch context %d,%d,%d != %d,%d,%d\n",
2414  decoded_frame->width,
2415  decoded_frame->height,
2416  decoded_frame->format,
2417  ist->dec_ctx->width,
2418  ist->dec_ctx->height,
2419  ist->dec_ctx->pix_fmt);
2420  }
2421  }
2422 
2423  if (!*got_output || ret < 0)
2424  return ret;
2425 
2426  if(ist->top_field_first>=0)
2427  decoded_frame->top_field_first = ist->top_field_first;
2428 
2429  ist->frames_decoded++;
2430 
2431  if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
2432  err = ist->hwaccel_retrieve_data(ist->dec_ctx, decoded_frame);
2433  if (err < 0)
2434  goto fail;
2435  }
2436  ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
2437 
2438  best_effort_timestamp= decoded_frame->best_effort_timestamp;
2439  *duration_pts = decoded_frame->pkt_duration;
2440 
2441  if (ist->framerate.num)
2442  best_effort_timestamp = ist->cfr_next_pts++;
2443 
2444  if (eof && best_effort_timestamp == AV_NOPTS_VALUE && ist->nb_dts_buffer > 0) {
2445  best_effort_timestamp = ist->dts_buffer[0];
2446 
2447  for (i = 0; i < ist->nb_dts_buffer - 1; i++)
2448  ist->dts_buffer[i] = ist->dts_buffer[i + 1];
2449  ist->nb_dts_buffer--;
2450  }
2451 
2452  if(best_effort_timestamp != AV_NOPTS_VALUE) {
2453  int64_t ts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
2454 
2455  if (ts != AV_NOPTS_VALUE)
2456  ist->next_pts = ist->pts = ts;
2457  }
2458 
2459  if (debug_ts) {
2460  av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
2461  "frame_pts:%s frame_pts_time:%s best_effort_ts:%"PRId64" best_effort_ts_time:%s keyframe:%d frame_type:%d time_base:%d/%d\n",
2462  ist->st->index, av_ts2str(decoded_frame->pts),
2463  av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
2464  best_effort_timestamp,
2465  av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
2466  decoded_frame->key_frame, decoded_frame->pict_type,
2467  ist->st->time_base.num, ist->st->time_base.den);
2468  }
2469 
2470  if (ist->st->sample_aspect_ratio.num)
2471  decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
2472 
2473  err = send_frame_to_filters(ist, decoded_frame);
2474 
2475 fail:
2477  av_frame_unref(decoded_frame);
2478  return err < 0 ? err : ret;
2479 }
2480 
2481 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output,
2482  int *decode_failed)
2483 {
2484  AVSubtitle subtitle;
2485  int free_sub = 1;
2486  int i, ret = avcodec_decode_subtitle2(ist->dec_ctx,
2487  &subtitle, got_output, pkt);
2488 
2489  check_decode_result(NULL, got_output, ret);
2490 
2491  if (ret < 0 || !*got_output) {
2492  *decode_failed = 1;
2493  if (!pkt->size)
2494  sub2video_flush(ist);
2495  return ret;
2496  }
2497 
2498  if (ist->fix_sub_duration) {
2499  int end = 1;
2500  if (ist->prev_sub.got_output) {
2501  end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
2502  1000, AV_TIME_BASE);
2503  if (end < ist->prev_sub.subtitle.end_display_time) {
2504  av_log(ist->dec_ctx, AV_LOG_DEBUG,
2505  "Subtitle duration reduced from %"PRId32" to %d%s\n",
2507  end <= 0 ? ", dropping it" : "");
2509  }
2510  }
2511  FFSWAP(int, *got_output, ist->prev_sub.got_output);
2512  FFSWAP(int, ret, ist->prev_sub.ret);
2513  FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
2514  if (end <= 0)
2515  goto out;
2516  }
2517 
2518  if (!*got_output)
2519  return ret;
2520 
2521  if (ist->sub2video.frame) {
2522  sub2video_update(ist, &subtitle);
2523  } else if (ist->nb_filters) {
2524  if (!ist->sub2video.sub_queue)
2525  ist->sub2video.sub_queue = av_fifo_alloc(8 * sizeof(AVSubtitle));
2526  if (!ist->sub2video.sub_queue)
2527  exit_program(1);
2528  if (!av_fifo_space(ist->sub2video.sub_queue)) {
2530  if (ret < 0)
2531  exit_program(1);
2532  }
2533  av_fifo_generic_write(ist->sub2video.sub_queue, &subtitle, sizeof(subtitle), NULL);
2534  free_sub = 0;
2535  }
2536 
2537  if (!subtitle.num_rects)
2538  goto out;
2539 
2540  ist->frames_decoded++;
2541 
2542  for (i = 0; i < nb_output_streams; i++) {
2543  OutputStream *ost = output_streams[i];
2544 
2545  if (!check_output_constraints(ist, ost) || !ost->encoding_needed
2546  || ost->enc->type != AVMEDIA_TYPE_SUBTITLE)
2547  continue;
2548 
2549  do_subtitle_out(output_files[ost->file_index], ost, &subtitle);
2550  }
2551 
2552 out:
2553  if (free_sub)
2554  avsubtitle_free(&subtitle);
2555  return ret;
2556 }
2557 
2559 {
2560  int i, ret;
2561  /* TODO keep pts also in stream time base to avoid converting back */
2562  int64_t pts = av_rescale_q_rnd(ist->pts, AV_TIME_BASE_Q, ist->st->time_base,
2564 
2565  for (i = 0; i < ist->nb_filters; i++) {
2566  ret = ifilter_send_eof(ist->filters[i], pts);
2567  if (ret < 0)
2568  return ret;
2569  }
2570  return 0;
2571 }
2572 
2573 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2574 static int process_input_packet(InputStream *ist, const AVPacket *pkt, int no_eof)
2575 {
2576  int ret = 0, i;
2577  int repeating = 0;
2578  int eof_reached = 0;
2579 
2580  AVPacket avpkt;
2581  if (!ist->saw_first_ts) {
2582  ist->dts = ist->st->avg_frame_rate.num ? - ist->dec_ctx->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
2583  ist->pts = 0;
2584  if (pkt && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
2585  ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2586  ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
2587  }
2588  ist->saw_first_ts = 1;
2589  }
2590 
2591  if (ist->next_dts == AV_NOPTS_VALUE)
2592  ist->next_dts = ist->dts;
2593  if (ist->next_pts == AV_NOPTS_VALUE)
2594  ist->next_pts = ist->pts;
2595 
2596  if (!pkt) {
2597  /* EOF handling */
2598  av_init_packet(&avpkt);
2599  avpkt.data = NULL;
2600  avpkt.size = 0;
2601  } else {
2602  avpkt = *pkt;
2603  }
2604 
2605  if (pkt && pkt->dts != AV_NOPTS_VALUE) {
2606  ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2607  if (ist->dec_ctx->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2608  ist->next_pts = ist->pts = ist->dts;
2609  }
2610 
2611  // while we have more to decode or while the decoder did output something on EOF
2612  while (ist->decoding_needed) {
2613  int64_t duration_dts = 0;
2614  int64_t duration_pts = 0;
2615  int got_output = 0;
2616  int decode_failed = 0;
2617 
2618  ist->pts = ist->next_pts;
2619  ist->dts = ist->next_dts;
2620 
2621  switch (ist->dec_ctx->codec_type) {
2622  case AVMEDIA_TYPE_AUDIO:
2623  ret = decode_audio (ist, repeating ? NULL : &avpkt, &got_output,
2624  &decode_failed);
2625  break;
2626  case AVMEDIA_TYPE_VIDEO:
2627  ret = decode_video (ist, repeating ? NULL : &avpkt, &got_output, &duration_pts, !pkt,
2628  &decode_failed);
2629  if (!repeating || !pkt || got_output) {
2630  if (pkt && pkt->duration) {
2631  duration_dts = av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2632  } else if(ist->dec_ctx->framerate.num != 0 && ist->dec_ctx->framerate.den != 0) {
2634  duration_dts = ((int64_t)AV_TIME_BASE *
2635  ist->dec_ctx->framerate.den * ticks) /
2637  }
2638 
2639  if(ist->dts != AV_NOPTS_VALUE && duration_dts) {
2640  ist->next_dts += duration_dts;
2641  }else
2642  ist->next_dts = AV_NOPTS_VALUE;
2643  }
2644 
2645  if (got_output) {
2646  if (duration_pts > 0) {
2647  ist->next_pts += av_rescale_q(duration_pts, ist->st->time_base, AV_TIME_BASE_Q);
2648  } else {
2649  ist->next_pts += duration_dts;
2650  }
2651  }
2652  break;
2653  case AVMEDIA_TYPE_SUBTITLE:
2654  if (repeating)
2655  break;
2656  ret = transcode_subtitles(ist, &avpkt, &got_output, &decode_failed);
2657  if (!pkt && ret >= 0)
2658  ret = AVERROR_EOF;
2659  break;
2660  default:
2661  return -1;
2662  }
2663 
2664  if (ret == AVERROR_EOF) {
2665  eof_reached = 1;
2666  break;
2667  }
2668 
2669  if (ret < 0) {
2670  if (decode_failed) {
2671  av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
2672  ist->file_index, ist->st->index, av_err2str(ret));
2673  } else {
2674  av_log(NULL, AV_LOG_FATAL, "Error while processing the decoded "
2675  "data for stream #%d:%d\n", ist->file_index, ist->st->index);
2676  }
2677  if (!decode_failed || exit_on_error)
2678  exit_program(1);
2679  break;
2680  }
2681 
2682  if (got_output)
2683  ist->got_output = 1;
2684 
2685  if (!got_output)
2686  break;
2687 
2688  // During draining, we might get multiple output frames in this loop.
2689  // ffmpeg.c does not drain the filter chain on configuration changes,
2690  // which means if we send multiple frames at once to the filters, and
2691  // one of those frames changes configuration, the buffered frames will
2692  // be lost. This can upset certain FATE tests.
2693  // Decode only 1 frame per call on EOF to appease these FATE tests.
2694  // The ideal solution would be to rewrite decoding to use the new
2695  // decoding API in a better way.
2696  if (!pkt)
2697  break;
2698 
2699  repeating = 1;
2700  }
2701 
2702  /* after flushing, send an EOF on all the filter inputs attached to the stream */
2703  /* except when looping we need to flush but not to send an EOF */
2704  if (!pkt && ist->decoding_needed && eof_reached && !no_eof) {
2705  int ret = send_filter_eof(ist);
2706  if (ret < 0) {
2707  av_log(NULL, AV_LOG_FATAL, "Error marking filters as finished\n");
2708  exit_program(1);
2709  }
2710  }
2711 
2712  /* handle stream copy */
2713  if (!ist->decoding_needed && pkt) {
2714  ist->dts = ist->next_dts;
2715  switch (ist->dec_ctx->codec_type) {
2716  case AVMEDIA_TYPE_AUDIO:
2717  av_assert1(pkt->duration >= 0);
2718  if (ist->dec_ctx->sample_rate) {
2719  ist->next_dts += ((int64_t)AV_TIME_BASE * ist->dec_ctx->frame_size) /
2720  ist->dec_ctx->sample_rate;
2721  } else {
2722  ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2723  }
2724  break;
2725  case AVMEDIA_TYPE_VIDEO:
2726  if (ist->framerate.num) {
2727  // TODO: Remove work-around for c99-to-c89 issue 7
2728  AVRational time_base_q = AV_TIME_BASE_Q;
2729  int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
2730  ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
2731  } else if (pkt->duration) {
2732  ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2733  } else if(ist->dec_ctx->framerate.num != 0) {
2734  int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict + 1 : ist->dec_ctx->ticks_per_frame;
2735  ist->next_dts += ((int64_t)AV_TIME_BASE *
2736  ist->dec_ctx->framerate.den * ticks) /
2738  }
2739  break;
2740  }
2741  ist->pts = ist->dts;
2742  ist->next_pts = ist->next_dts;
2743  }
2744  for (i = 0; i < nb_output_streams; i++) {
2745  OutputStream *ost = output_streams[i];
2746 
2747  if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2748  continue;
2749 
2750  do_streamcopy(ist, ost, pkt);
2751  }
2752 
2753  return !eof_reached;
2754 }
2755 
2756 static void print_sdp(void)
2757 {
2758  char sdp[16384];
2759  int i;
2760  int j;
2761  AVIOContext *sdp_pb;
2762  AVFormatContext **avc;
2763 
2764  for (i = 0; i < nb_output_files; i++) {
2765  if (!output_files[i]->header_written)
2766  return;
2767  }
2768 
2769  avc = av_malloc_array(nb_output_files, sizeof(*avc));
2770  if (!avc)
2771  exit_program(1);
2772  for (i = 0, j = 0; i < nb_output_files; i++) {
2773  if (!strcmp(output_files[i]->ctx->oformat->name, "rtp")) {
2774  avc[j] = output_files[i]->ctx;
2775  j++;
2776  }
2777  }
2778 
2779  if (!j)
2780  goto fail;
2781 
2782  av_sdp_create(avc, j, sdp, sizeof(sdp));
2783 
2784  if (!sdp_filename) {
2785  printf("SDP:\n%s\n", sdp);
2786  fflush(stdout);
2787  } else {
2788  if (avio_open2(&sdp_pb, sdp_filename, AVIO_FLAG_WRITE, &int_cb, NULL) < 0) {
2789  av_log(NULL, AV_LOG_ERROR, "Failed to open sdp file '%s'\n", sdp_filename);
2790  } else {
2791  avio_printf(sdp_pb, "SDP:\n%s", sdp);
2792  avio_closep(&sdp_pb);
2794  }
2795  }
2796 
2797 fail:
2798  av_freep(&avc);
2799 }
2800 
2802 {
2803  InputStream *ist = s->opaque;
2804  const enum AVPixelFormat *p;
2805  int ret;
2806 
2807  for (p = pix_fmts; *p != AV_PIX_FMT_NONE; p++) {
2809  const AVCodecHWConfig *config = NULL;
2810  int i;
2811 
2812  if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
2813  break;
2814 
2815  if (ist->hwaccel_id == HWACCEL_GENERIC ||
2816  ist->hwaccel_id == HWACCEL_AUTO) {
2817  for (i = 0;; i++) {
2818  config = avcodec_get_hw_config(s->codec, i);
2819  if (!config)
2820  break;
2821  if (!(config->methods &
2823  continue;
2824  if (config->pix_fmt == *p)
2825  break;
2826  }
2827  }
2828  if (config) {
2829  if (config->device_type != ist->hwaccel_device_type) {
2830  // Different hwaccel offered, ignore.
2831  continue;
2832  }
2833 
2834  ret = hwaccel_decode_init(s);
2835  if (ret < 0) {
2836  if (ist->hwaccel_id == HWACCEL_GENERIC) {
2838  "%s hwaccel requested for input stream #%d:%d, "
2839  "but cannot be initialized.\n",
2841  ist->file_index, ist->st->index);
2842  return AV_PIX_FMT_NONE;
2843  }
2844  continue;
2845  }
2846  } else {
2847  const HWAccel *hwaccel = NULL;
2848  int i;
2849  for (i = 0; hwaccels[i].name; i++) {
2850  if (hwaccels[i].pix_fmt == *p) {
2851  hwaccel = &hwaccels[i];
2852  break;
2853  }
2854  }
2855  if (!hwaccel) {
2856  // No hwaccel supporting this pixfmt.
2857  continue;
2858  }
2859  if (hwaccel->id != ist->hwaccel_id) {
2860  // Does not match requested hwaccel.
2861  continue;
2862  }
2863 
2864  ret = hwaccel->init(s);
2865  if (ret < 0) {
2867  "%s hwaccel requested for input stream #%d:%d, "
2868  "but cannot be initialized.\n", hwaccel->name,
2869  ist->file_index, ist->st->index);
2870  return AV_PIX_FMT_NONE;
2871  }
2872  }
2873 
2874  if (ist->hw_frames_ctx) {
2876  if (!s->hw_frames_ctx)
2877  return AV_PIX_FMT_NONE;
2878  }
2879 
2880  ist->hwaccel_pix_fmt = *p;
2881  break;
2882  }
2883 
2884  return *p;
2885 }
2886 
2888 {
2889  InputStream *ist = s->opaque;
2890 
2891  if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
2892  return ist->hwaccel_get_buffer(s, frame, flags);
2893 
2894  return avcodec_default_get_buffer2(s, frame, flags);
2895 }
2896 
2897 static int init_input_stream(int ist_index, char *error, int error_len)
2898 {
2899  int ret;
2900  InputStream *ist = input_streams[ist_index];
2901 
2902  if (ist->decoding_needed) {
2903  AVCodec *codec = ist->dec;
2904  if (!codec) {
2905  snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2906  avcodec_get_name(ist->dec_ctx->codec_id), ist->file_index, ist->st->index);
2907  return AVERROR(EINVAL);
2908  }
2909 
2910  ist->dec_ctx->opaque = ist;
2911  ist->dec_ctx->get_format = get_format;
2912  ist->dec_ctx->get_buffer2 = get_buffer;
2913  ist->dec_ctx->thread_safe_callbacks = 1;
2914 
2915  av_opt_set_int(ist->dec_ctx, "refcounted_frames", 1, 0);
2916  if (ist->dec_ctx->codec_id == AV_CODEC_ID_DVB_SUBTITLE &&
2917  (ist->decoding_needed & DECODING_FOR_OST)) {
2918  av_dict_set(&ist->decoder_opts, "compute_edt", "1", AV_DICT_DONT_OVERWRITE);
2920  av_log(NULL, AV_LOG_WARNING, "Warning using DVB subtitles for filtering and output at the same time is not fully supported, also see -compute_edt [0|1]\n");
2921  }
2922 
2923  av_dict_set(&ist->decoder_opts, "sub_text_format", "ass", AV_DICT_DONT_OVERWRITE);
2924 
2925  /* Useful for subtitles retiming by lavf (FIXME), skipping samples in
2926  * audio, and video decoders such as cuvid or mediacodec */
2927  ist->dec_ctx->pkt_timebase = ist->st->time_base;
2928 
2929  if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0))
2930  av_dict_set(&ist->decoder_opts, "threads", "auto", 0);
2931  /* Attached pics are sparse, therefore we would not want to delay their decoding till EOF. */
2933  av_dict_set(&ist->decoder_opts, "threads", "1", 0);
2934 
2935  ret = hw_device_setup_for_decode(ist);
2936  if (ret < 0) {
2937  snprintf(error, error_len, "Device setup failed for "
2938  "decoder on input stream #%d:%d : %s",
2939  ist->file_index, ist->st->index, av_err2str(ret));
2940  return ret;
2941  }
2942 
2943  if ((ret = avcodec_open2(ist->dec_ctx, codec, &ist->decoder_opts)) < 0) {
2944  if (ret == AVERROR_EXPERIMENTAL)
2945  abort_codec_experimental(codec, 0);
2946 
2947  snprintf(error, error_len,
2948  "Error while opening decoder for input stream "
2949  "#%d:%d : %s",
2950  ist->file_index, ist->st->index, av_err2str(ret));
2951  return ret;
2952  }
2954  }
2955 
2956  ist->next_pts = AV_NOPTS_VALUE;
2957  ist->next_dts = AV_NOPTS_VALUE;
2958 
2959  return 0;
2960 }
2961 
2963 {
2964  if (ost->source_index >= 0)
2965  return input_streams[ost->source_index];
2966  return NULL;
2967 }
2968 
2969 static int compare_int64(const void *a, const void *b)
2970 {
2971  return FFDIFFSIGN(*(const int64_t *)a, *(const int64_t *)b);
2972 }
2973 
2974 /* open the muxer when all the streams are initialized */
2975 static int check_init_output_file(OutputFile *of, int file_index)
2976 {
2977  int ret, i;
2978 
2979  for (i = 0; i < of->ctx->nb_streams; i++) {
2980  OutputStream *ost = output_streams[of->ost_index + i];
2981  if (!ost->initialized)
2982  return 0;
2983  }
2984 
2985  of->ctx->interrupt_callback = int_cb;
2986 
2987  ret = avformat_write_header(of->ctx, &of->opts);
2988  if (ret < 0) {
2990  "Could not write header for output file #%d "
2991  "(incorrect codec parameters ?): %s\n",
2992  file_index, av_err2str(ret));
2993  return ret;
2994  }
2995  //assert_avoptions(of->opts);
2996  of->header_written = 1;
2997 
2998  av_dump_format(of->ctx, file_index, of->ctx->url, 1);
2999 
3000  if (sdp_filename || want_sdp)
3001  print_sdp();
3002 
3003  /* flush the muxing queues */
3004  for (i = 0; i < of->ctx->nb_streams; i++) {
3005  OutputStream *ost = output_streams[of->ost_index + i];
3006 
3007  /* try to improve muxing time_base (only possible if nothing has been written yet) */
3008  if (!av_fifo_size(ost->muxing_queue))
3009  ost->mux_timebase = ost->st->time_base;
3010 
3011  while (av_fifo_size(ost->muxing_queue)) {
3012  AVPacket pkt;
3013  av_fifo_generic_read(ost->muxing_queue, &pkt, sizeof(pkt), NULL);
3014  write_packet(of, &pkt, ost, 1);
3015  }
3016  }
3017 
3018  return 0;
3019 }
3020 
3022 {
3023  AVBSFContext *ctx;
3024  int i, ret;
3025 
3026  if (!ost->nb_bitstream_filters)
3027  return 0;
3028 
3029  for (i = 0; i < ost->nb_bitstream_filters; i++) {
3030  ctx = ost->bsf_ctx[i];
3031 
3032  ret = avcodec_parameters_copy(ctx->par_in,
3033  i ? ost->bsf_ctx[i - 1]->par_out : ost->st->codecpar);
3034  if (ret < 0)
3035  return ret;
3036 
3037  ctx->time_base_in = i ? ost->bsf_ctx[i - 1]->time_base_out : ost->st->time_base;
3038 
3039  ret = av_bsf_init(ctx);
3040  if (ret < 0) {
3041  av_log(NULL, AV_LOG_ERROR, "Error initializing bitstream filter: %s\n",
3042  ost->bsf_ctx[i]->filter->name);
3043  return ret;
3044  }
3045  }
3046 
3047  ctx = ost->bsf_ctx[ost->nb_bitstream_filters - 1];
3048  ret = avcodec_parameters_copy(ost->st->codecpar, ctx->par_out);
3049  if (ret < 0)
3050  return ret;
3051 
3052  ost->st->time_base = ctx->time_base_out;
3053 
3054  return 0;
3055 }
3056 
3058 {
3059  OutputFile *of = output_files[ost->file_index];
3060  InputStream *ist = get_input_stream(ost);
3061  AVCodecParameters *par_dst = ost->st->codecpar;
3062  AVCodecParameters *par_src = ost->ref_par;
3063  AVRational sar;
3064  int i, ret;
3065  uint32_t codec_tag = par_dst->codec_tag;
3066 
3067  av_assert0(ist && !ost->filter);
3068 
3069  ret = avcodec_parameters_to_context(ost->enc_ctx, ist->st->codecpar);
3070  if (ret >= 0)
3071  ret = av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts);
3072  if (ret < 0) {
3074  "Error setting up codec context options.\n");
3075  return ret;
3076  }
3077 
3078  ret = avcodec_parameters_from_context(par_src, ost->enc_ctx);
3079  if (ret < 0) {
3081  "Error getting reference codec parameters.\n");
3082  return ret;
3083  }
3084 
3085  if (!codec_tag) {
3086  unsigned int codec_tag_tmp;
3087  if (!of->ctx->oformat->codec_tag ||
3088  av_codec_get_id (of->ctx->oformat->codec_tag, par_src->codec_tag) == par_src->codec_id ||
3089  !av_codec_get_tag2(of->ctx->oformat->codec_tag, par_src->codec_id, &codec_tag_tmp))
3090  codec_tag = par_src->codec_tag;
3091  }
3092 
3093  ret = avcodec_parameters_copy(par_dst, par_src);
3094  if (ret < 0)
3095  return ret;
3096 
3097  par_dst->codec_tag = codec_tag;
3098 
3099  if (!ost->frame_rate.num)
3100  ost->frame_rate = ist->framerate;
3101  ost->st->avg_frame_rate = ost->frame_rate;
3102 
3104  if (ret < 0)
3105  return ret;
3106 
3107  // copy timebase while removing common factors
3108  if (ost->st->time_base.num <= 0 || ost->st->time_base.den <= 0)
3110 
3111  // copy estimated duration as a hint to the muxer
3112  if (ost->st->duration <= 0 && ist->st->duration > 0)
3113  ost->st->duration = av_rescale_q(ist->st->duration, ist->st->time_base, ost->st->time_base);
3114 
3115  // copy disposition
3116  ost->st->disposition = ist->st->disposition;
3117 
3118  if (ist->st->nb_side_data) {
3119  for (i = 0; i < ist->st->nb_side_data; i++) {
3120  const AVPacketSideData *sd_src = &ist->st->side_data[i];
3121  uint8_t *dst_data;
3122 
3123  dst_data = av_stream_new_side_data(ost->st, sd_src->type, sd_src->size);
3124  if (!dst_data)
3125  return AVERROR(ENOMEM);
3126  memcpy(dst_data, sd_src->data, sd_src->size);
3127  }
3128  }
3129 
3130  if (ost->rotate_overridden) {
3132  sizeof(int32_t) * 9);
3133  if (sd)
3134  av_display_rotation_set((int32_t *)sd, -ost->rotate_override_value);
3135  }
3136 
3137  switch (par_dst->codec_type) {
3138  case AVMEDIA_TYPE_AUDIO:
3139  if (audio_volume != 256) {
3140  av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
3141  exit_program(1);
3142  }
3143  if((par_dst->block_align == 1 || par_dst->block_align == 1152 || par_dst->block_align == 576) && par_dst->codec_id == AV_CODEC_ID_MP3)
3144  par_dst->block_align= 0;
3145  if(par_dst->codec_id == AV_CODEC_ID_AC3)
3146  par_dst->block_align= 0;
3147  break;
3148  case AVMEDIA_TYPE_VIDEO:
3149  if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option
3150  sar =
3151  av_mul_q(ost->frame_aspect_ratio,
3152  (AVRational){ par_dst->height, par_dst->width });
3153  av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio "
3154  "with stream copy may produce invalid files\n");
3155  }
3156  else if (ist->st->sample_aspect_ratio.num)
3157  sar = ist->st->sample_aspect_ratio;
3158  else
3159  sar = par_src->sample_aspect_ratio;
3160  ost->st->sample_aspect_ratio = par_dst->sample_aspect_ratio = sar;
3161  ost->st->avg_frame_rate = ist->st->avg_frame_rate;
3162  ost->st->r_frame_rate = ist->st->r_frame_rate;
3163  break;
3164  }
3165 
3166  ost->mux_timebase = ist->st->time_base;
3167 
3168  return 0;
3169 }
3170 
3172 {
3173  AVDictionaryEntry *e;
3174 
3175  uint8_t *encoder_string;
3176  int encoder_string_len;
3177  int format_flags = 0;
3178  int codec_flags = ost->enc_ctx->flags;
3179 
3180  if (av_dict_get(ost->st->metadata, "encoder", NULL, 0))
3181  return;
3182 
3183  e = av_dict_get(of->opts, "fflags", NULL, 0);
3184  if (e) {
3185  const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0);
3186  if (!o)
3187  return;
3188  av_opt_eval_flags(of->ctx, o, e->value, &format_flags);
3189  }
3190  e = av_dict_get(ost->encoder_opts, "flags", NULL, 0);
3191  if (e) {
3192  const AVOption *o = av_opt_find(ost->enc_ctx, "flags", NULL, 0, 0);
3193  if (!o)
3194  return;
3195  av_opt_eval_flags(ost->enc_ctx, o, e->value, &codec_flags);
3196  }
3197 
3198  encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2;
3199  encoder_string = av_mallocz(encoder_string_len);
3200  if (!encoder_string)
3201  exit_program(1);
3202 
3203  if (!(format_flags & AVFMT_FLAG_BITEXACT) && !(codec_flags & AV_CODEC_FLAG_BITEXACT))
3204  av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
3205  else
3206  av_strlcpy(encoder_string, "Lavc ", encoder_string_len);
3207  av_strlcat(encoder_string, ost->enc->name, encoder_string_len);
3208  av_dict_set(&ost->st->metadata, "encoder", encoder_string,
3210 }
3211 
3213  AVCodecContext *avctx)
3214 {
3215  char *p;
3216  int n = 1, i, size, index = 0;
3217  int64_t t, *pts;
3218 
3219  for (p = kf; *p; p++)
3220  if (*p == ',')
3221  n++;
3222  size = n;
3223  pts = av_malloc_array(size, sizeof(*pts));
3224  if (!pts) {
3225  av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3226  exit_program(1);
3227  }
3228 
3229  p = kf;
3230  for (i = 0; i < n; i++) {
3231  char *next = strchr(p, ',');
3232 
3233  if (next)
3234  *next++ = 0;
3235 
3236  if (!memcmp(p, "chapters", 8)) {
3237 
3238  AVFormatContext *avf = output_files[ost->file_index]->ctx;
3239  int j;
3240 
3241  if (avf->nb_chapters > INT_MAX - size ||
3242  !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
3243  sizeof(*pts)))) {
3245  "Could not allocate forced key frames array.\n");
3246  exit_program(1);
3247  }
3248  t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
3249  t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3250 
3251  for (j = 0; j < avf->nb_chapters; j++) {
3252  AVChapter *c = avf->chapters[j];
3253  av_assert1(index < size);
3254  pts[index++] = av_rescale_q(c->start, c->time_base,
3255  avctx->time_base) + t;
3256  }
3257 
3258  } else {
3259 
3260  t = parse_time_or_die("force_key_frames", p, 1);
3261  av_assert1(index < size);
3262  pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3263 
3264  }
3265 
3266  p = next;
3267  }
3268 
3269  av_assert0(index == size);
3270  qsort(pts, size, sizeof(*pts), compare_int64);
3271  ost->forced_kf_count = size;
3272  ost->forced_kf_pts = pts;
3273 }
3274 
3275 static void init_encoder_time_base(OutputStream *ost, AVRational default_time_base)
3276 {
3277  InputStream *ist = get_input_stream(ost);
3278  AVCodecContext *enc_ctx = ost->enc_ctx;
3279  AVFormatContext *oc;
3280 
3281  if (ost->enc_timebase.num > 0) {
3282  enc_ctx->time_base = ost->enc_timebase;
3283  return;
3284  }
3285 
3286  if (ost->enc_timebase.num < 0) {
3287  if (ist) {
3288  enc_ctx->time_base = ist->st->time_base;
3289  return;
3290  }
3291 
3292  oc = output_files[ost->file_index]->ctx;
3293  av_log(oc, AV_LOG_WARNING, "Input stream data not available, using default time base\n");
3294  }
3295 
3296  enc_ctx->time_base = default_time_base;
3297 }
3298 
3300 {
3301  InputStream *ist = get_input_stream(ost);
3302  AVCodecContext *enc_ctx = ost->enc_ctx;
3304  AVFormatContext *oc = output_files[ost->file_index]->ctx;
3305  int j, ret;
3306 
3307  set_encoder_id(output_files[ost->file_index], ost);
3308 
3309  // Muxers use AV_PKT_DATA_DISPLAYMATRIX to signal rotation. On the other
3310  // hand, the legacy API makes demuxers set "rotate" metadata entries,
3311  // which have to be filtered out to prevent leaking them to output files.
3312  av_dict_set(&ost->st->metadata, "rotate", NULL, 0);
3313 
3314  if (ist) {
3315  ost->st->disposition = ist->st->disposition;
3316 
3317  dec_ctx = ist->dec_ctx;
3318 
3319  enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
3320  } else {
3321  for (j = 0; j < oc->nb_streams; j++) {
3322  AVStream *st = oc->streams[j];
3323  if (st != ost->st && st->codecpar->codec_type == ost->st->codecpar->codec_type)
3324  break;
3325  }
3326  if (j == oc->nb_streams)
3327  if (ost->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO ||
3330  }
3331 
3332  if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO) {
3333  if (!ost->frame_rate.num)
3335  if (ist && !ost->frame_rate.num)
3336  ost->frame_rate = ist->framerate;
3337  if (ist && !ost->frame_rate.num)
3338  ost->frame_rate = ist->st->r_frame_rate;
3339  if (ist && !ost->frame_rate.num) {
3340  ost->frame_rate = (AVRational){25, 1};
3342  "No information "
3343  "about the input framerate is available. Falling "
3344  "back to a default value of 25fps for output stream #%d:%d. Use the -r option "
3345  "if you want a different framerate.\n",
3346  ost->file_index, ost->index);
3347  }
3348 // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
3349  if (ost->enc->supported_framerates && !ost->force_fps) {
3350  int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
3351  ost->frame_rate = ost->enc->supported_framerates[idx];
3352  }
3353  // reduce frame rate for mpeg4 to be within the spec limits
3354  if (enc_ctx->codec_id == AV_CODEC_ID_MPEG4) {
3355  av_reduce(&ost->frame_rate.num, &ost->frame_rate.den,
3356  ost->frame_rate.num, ost->frame_rate.den, 65535);
3357  }
3358  }
3359 
3360  switch (enc_ctx->codec_type) {
3361  case AVMEDIA_TYPE_AUDIO:
3363  if (dec_ctx)
3364  enc_ctx->bits_per_raw_sample = FFMIN(dec_ctx->bits_per_raw_sample,
3365  av_get_bytes_per_sample(enc_ctx->sample_fmt) << 3);
3369 
3370  init_encoder_time_base(ost, av_make_q(1, enc_ctx->sample_rate));
3371  break;
3372 
3373  case AVMEDIA_TYPE_VIDEO:
3375 
3376  if (!(enc_ctx->time_base.num && enc_ctx->time_base.den))
3378  if ( av_q2d(enc_ctx->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
3380  av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
3381  "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
3382  }
3383  for (j = 0; j < ost->forced_kf_count; j++)
3384  ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
3386  enc_ctx->time_base);
3387 
3388  enc_ctx->width = av_buffersink_get_w(ost->filter->filter);
3389  enc_ctx->height = av_buffersink_get_h(ost->filter->filter);
3390  enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
3391  ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
3392  av_mul_q(ost->frame_aspect_ratio, (AVRational){ enc_ctx->height, enc_ctx->width }) :
3394 
3395  enc_ctx->pix_fmt = av_buffersink_get_format(ost->filter->filter);
3396  if (dec_ctx)
3397  enc_ctx->bits_per_raw_sample = FFMIN(dec_ctx->bits_per_raw_sample,
3398  av_pix_fmt_desc_get(enc_ctx->pix_fmt)->comp[0].depth);
3399 
3400  enc_ctx->framerate = ost->frame_rate;
3401 
3402  ost->st->avg_frame_rate = ost->frame_rate;
3403 
3404  if (!dec_ctx ||
3405  enc_ctx->width != dec_ctx->width ||
3406  enc_ctx->height != dec_ctx->height ||
3407  enc_ctx->pix_fmt != dec_ctx->pix_fmt) {
3409  }
3410 
3411  if (ost->top_field_first == 0) {
3412  enc_ctx->field_order = AV_FIELD_BB;
3413  } else if (ost->top_field_first == 1) {
3414  enc_ctx->field_order = AV_FIELD_TT;
3415  }
3416 
3417  if (ost->forced_keyframes) {
3418  if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
3421  if (ret < 0) {
3423  "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
3424  return ret;
3425  }
3430 
3431  // Don't parse the 'forced_keyframes' in case of 'keep-source-keyframes',
3432  // parse it only for static kf timings
3433  } else if(strncmp(ost->forced_keyframes, "source", 6)) {
3435  }
3436  }
3437  break;
3438  case AVMEDIA_TYPE_SUBTITLE:
3439  enc_ctx->time_base = AV_TIME_BASE_Q;
3440  if (!enc_ctx->width) {
3441  enc_ctx->width = input_streams[ost->source_index]->st->codecpar->width;
3442  enc_ctx->height = input_streams[ost->source_index]->st->codecpar->height;
3443  }
3444  break;
3445  case AVMEDIA_TYPE_DATA:
3446  break;
3447  default:
3448  abort();
3449  break;
3450  }
3451 
3452  ost->mux_timebase = enc_ctx->time_base;
3453 
3454  return 0;
3455 }
3456 
3457 static int init_output_stream(OutputStream *ost, char *error, int error_len)
3458 {
3459  int ret = 0;
3460 
3461  if (ost->encoding_needed) {
3462  AVCodec *codec = ost->enc;
3463  AVCodecContext *dec = NULL;
3464  InputStream *ist;
3465 
3466  ret = init_output_stream_encode(ost);
3467  if (ret < 0)
3468  return ret;
3469 
3470  if ((ist = get_input_stream(ost)))
3471  dec = ist->dec_ctx;
3472  if (dec && dec->subtitle_header) {
3473  /* ASS code assumes this buffer is null terminated so add extra byte. */
3475  if (!ost->enc_ctx->subtitle_header)
3476  return AVERROR(ENOMEM);
3477  memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
3479  }
3480  if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
3481  av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
3482  if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
3483  !codec->defaults &&
3484  !av_dict_get(ost->encoder_opts, "b", NULL, 0) &&
3485  !av_dict_get(ost->encoder_opts, "ab", NULL, 0))
3486  av_dict_set(&ost->encoder_opts, "b", "128000", 0);
3487 
3488  if (ost->filter && av_buffersink_get_hw_frames_ctx(ost->filter->filter) &&
3492  if (!ost->enc_ctx->hw_frames_ctx)
3493  return AVERROR(ENOMEM);
3494  } else {
3495  ret = hw_device_setup_for_encode(ost);
3496  if (ret < 0) {
3497  snprintf(error, error_len, "Device setup failed for "
3498  "encoder on output stream #%d:%d : %s",
3499  ost->file_index, ost->index, av_err2str(ret));
3500  return ret;
3501  }
3502  }
3503  if (ist && ist->dec->type == AVMEDIA_TYPE_SUBTITLE && ost->enc->type == AVMEDIA_TYPE_SUBTITLE) {
3504  int input_props = 0, output_props = 0;
3505  AVCodecDescriptor const *input_descriptor =
3507  AVCodecDescriptor const *output_descriptor =
3509  if (input_descriptor)
3510  input_props = input_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB);
3511  if (output_descriptor)
3512  output_props = output_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB);
3513  if (input_props && output_props && input_props != output_props) {
3514  snprintf(error, error_len,
3515  "Subtitle encoding currently only possible from text to text "
3516  "or bitmap to bitmap");
3517  return AVERROR_INVALIDDATA;
3518  }
3519  }
3520 
3521  if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
3522  if (ret == AVERROR_EXPERIMENTAL)
3523  abort_codec_experimental(codec, 1);
3524  snprintf(error, error_len,
3525  "Error while opening encoder for output stream #%d:%d - "
3526  "maybe incorrect parameters such as bit_rate, rate, width or height",
3527  ost->file_index, ost->index);
3528  return ret;
3529  }
3530  if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
3531  !(ost->enc->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE))
3533  ost->enc_ctx->frame_size);
3535  if (ost->enc_ctx->bit_rate && ost->enc_ctx->bit_rate < 1000 &&
3536  ost->enc_ctx->codec_id != AV_CODEC_ID_CODEC2 /* don't complain about 700 bit/s modes */)
3537  av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
3538  " It takes bits/s as argument, not kbits/s\n");
3539 
3541  if (ret < 0) {
3543  "Error initializing the output stream codec context.\n");
3544  exit_program(1);
3545  }
3546  /*
3547  * FIXME: ost->st->codec should't be needed here anymore.
3548  */
3549  ret = avcodec_copy_context(ost->st->codec, ost->enc_ctx);
3550  if (ret < 0)
3551  return ret;
3552 
3553  if (ost->enc_ctx->nb_coded_side_data) {
3554  int i;
3555 
3556  for (i = 0; i < ost->enc_ctx->nb_coded_side_data; i++) {
3557  const AVPacketSideData *sd_src = &ost->enc_ctx->coded_side_data[i];
3558  uint8_t *dst_data;
3559 
3560  dst_data = av_stream_new_side_data(ost->st, sd_src->type, sd_src->size);
3561  if (!dst_data)
3562  return AVERROR(ENOMEM);
3563  memcpy(dst_data, sd_src->data, sd_src->size);
3564  }
3565  }
3566 
3567  /*
3568  * Add global input side data. For now this is naive, and copies it
3569  * from the input stream's global side data. All side data should
3570  * really be funneled over AVFrame and libavfilter, then added back to
3571  * packet side data, and then potentially using the first packet for
3572  * global side data.
3573  */
3574  if (ist) {
3575  int i;
3576  for (i = 0; i < ist->st->nb_side_data; i++) {
3577  AVPacketSideData *sd = &ist->st->side_data[i];
3578  uint8_t *dst = av_stream_new_side_data(ost->st, sd->type, sd->size);
3579  if (!dst)
3580  return AVERROR(ENOMEM);
3581  memcpy(dst, sd->data, sd->size);
3582  if (ist->autorotate && sd->type == AV_PKT_DATA_DISPLAYMATRIX)
3583  av_display_rotation_set((uint32_t *)dst, 0);
3584  }
3585  }
3586 
3587  // copy timebase while removing common factors
3588  if (ost->st->time_base.num <= 0 || ost->st->time_base.den <= 0)
3589  ost->st->time_base = av_add_q(ost->enc_ctx->time_base, (AVRational){0, 1});
3590 
3591  // copy estimated duration as a hint to the muxer
3592  if (ost->st->duration <= 0 && ist && ist->st->duration > 0)
3593  ost->st->duration = av_rescale_q(ist->st->duration, ist->st->time_base, ost->st->time_base);
3594 
3595  ost->st->codec->codec= ost->enc_ctx->codec;
3596  } else if (ost->stream_copy) {
3598  if (ret < 0)
3599  return ret;
3600  }
3601 
3602  // parse user provided disposition, and update stream values
3603  if (ost->disposition) {
3604  static const AVOption opts[] = {
3605  { "disposition" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
3606  { "default" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEFAULT }, .unit = "flags" },
3607  { "dub" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DUB }, .unit = "flags" },
3608  { "original" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ORIGINAL }, .unit = "flags" },
3609  { "comment" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_COMMENT }, .unit = "flags" },
3610  { "lyrics" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_LYRICS }, .unit = "flags" },
3611  { "karaoke" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_KARAOKE }, .unit = "flags" },
3612  { "forced" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_FORCED }, .unit = "flags" },
3613  { "hearing_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_HEARING_IMPAIRED }, .unit = "flags" },
3614  { "visual_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_VISUAL_IMPAIRED }, .unit = "flags" },
3615  { "clean_effects" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CLEAN_EFFECTS }, .unit = "flags" },
3616  { "attached_pic" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ATTACHED_PIC }, .unit = "flags" },
3617  { "captions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CAPTIONS }, .unit = "flags" },
3618  { "descriptions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DESCRIPTIONS }, .unit = "flags" },
3619  { "dependent" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEPENDENT }, .unit = "flags" },
3620  { "metadata" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_METADATA }, .unit = "flags" },
3621  { NULL },
3622  };
3623  static const AVClass class = {
3624  .class_name = "",
3625  .item_name = av_default_item_name,
3626  .option = opts,
3627  .version = LIBAVUTIL_VERSION_INT,
3628  };
3629  const AVClass *pclass = &class;
3630 
3631  ret = av_opt_eval_flags(&pclass, &opts[0], ost->disposition, &ost->st->disposition);
3632  if (ret < 0)
3633  return ret;
3634  }
3635 
3636  /* initialize bitstream filters for the output stream
3637  * needs to be done here, because the codec id for streamcopy is not
3638  * known until now */
3639  ret = init_output_bsfs(ost);
3640  if (ret < 0)
3641  return ret;
3642 
3643  ost->initialized = 1;
3644 
3645  ret = check_init_output_file(output_files[ost->file_index], ost->file_index);
3646  if (ret < 0)
3647  return ret;
3648 
3649  return ret;
3650 }
3651 
3652 static void report_new_stream(int input_index, AVPacket *pkt)
3653 {
3654  InputFile *file = input_files[input_index];
3655  AVStream *st = file->ctx->streams[pkt->stream_index];
3656 
3657  if (pkt->stream_index < file->nb_streams_warn)
3658  return;
3659  av_log(file->ctx, AV_LOG_WARNING,
3660  "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
3662  input_index, pkt->stream_index,
3663  pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
3664  file->nb_streams_warn = pkt->stream_index + 1;
3665 }
3666 
3667 static int transcode_init(void)
3668 {
3669  int ret = 0, i, j, k;
3670  AVFormatContext *oc;
3671  OutputStream *ost;
3672  InputStream *ist;
3673  char error[1024] = {0};
3674 
3675  for (i = 0; i < nb_filtergraphs; i++) {
3676  FilterGraph *fg = filtergraphs[i];
3677  for (j = 0; j < fg->nb_outputs; j++) {
3678  OutputFilter *ofilter = fg->outputs[j];
3679  if (!ofilter->ost || ofilter->ost->source_index >= 0)
3680  continue;
3681  if (fg->nb_inputs != 1)
3682  continue;
3683  for (k = nb_input_streams-1; k >= 0 ; k--)
3684  if (fg->inputs[0]->ist == input_streams[k])
3685  break;
3686  ofilter->ost->source_index = k;
3687  }
3688  }
3689 
3690  /* init framerate emulation */
3691  for (i = 0; i < nb_input_files; i++) {
3692  InputFile *ifile = input_files[i];
3693  if (ifile->rate_emu)
3694  for (j = 0; j < ifile->nb_streams; j++)
3695  input_streams[j + ifile->ist_index]->start = av_gettime_relative();
3696  }
3697 
3698  /* init input streams */
3699  for (i = 0; i < nb_input_streams; i++)
3700  if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
3701  for (i = 0; i < nb_output_streams; i++) {
3702  ost = output_streams[i];
3703  avcodec_close(ost->enc_ctx);
3704  }
3705  goto dump_format;
3706  }
3707 
3708  /* open each encoder */
3709  for (i = 0; i < nb_output_streams; i++) {
3710  // skip streams fed from filtergraphs until we have a frame for them
3711  if (output_streams[i]->filter)
3712  continue;
3713 
3714  ret = init_output_stream(output_streams[i], error, sizeof(error));
3715  if (ret < 0)
3716  goto dump_format;
3717  }
3718 
3719  /* discard unused programs */
3720  for (i = 0; i < nb_input_files; i++) {
3721  InputFile *ifile = input_files[i];
3722  for (j = 0; j < ifile->ctx->nb_programs; j++) {
3723  AVProgram *p = ifile->ctx->programs[j];
3724  int discard = AVDISCARD_ALL;
3725 
3726  for (k = 0; k < p->nb_stream_indexes; k++)
3727  if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
3728  discard = AVDISCARD_DEFAULT;
3729  break;
3730  }
3731  p->discard = discard;
3732  }
3733  }
3734 
3735  /* write headers for files with no streams */
3736  for (i = 0; i < nb_output_files; i++) {
3737  oc = output_files[i]->ctx;
3738  if (oc->oformat->flags & AVFMT_NOSTREAMS && oc->nb_streams == 0) {
3739  ret = check_init_output_file(output_files[i], i);
3740  if (ret < 0)
3741  goto dump_format;
3742  }
3743  }
3744 
3745  dump_format:
3746  /* dump the stream mapping */
3747  av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3748  for (i = 0; i < nb_input_streams; i++) {
3749  ist = input_streams[i];
3750 
3751  for (j = 0; j < ist->nb_filters; j++) {
3752  if (!filtergraph_is_simple(ist->filters[j]->graph)) {
3753  av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
3754  ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
3755  ist->filters[j]->name);
3756  if (nb_filtergraphs > 1)
3757  av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
3758  av_log(NULL, AV_LOG_INFO, "\n");
3759  }
3760  }
3761  }
3762 
3763  for (i = 0; i < nb_output_streams; i++) {
3764  ost = output_streams[i];
3765 
3766  if (ost->attachment_filename) {
3767  /* an attached file */
3768  av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
3769  ost->attachment_filename, ost->file_index, ost->index);
3770  continue;
3771  }
3772 
3773  if (ost->filter && !filtergraph_is_simple(ost->filter->graph)) {
3774  /* output from a complex graph */
3775  av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
3776  if (nb_filtergraphs > 1)
3777  av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
3778 
3779  av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
3780  ost->index, ost->enc ? ost->enc->name : "?");
3781  continue;
3782  }
3783 
3784  av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
3785  input_streams[ost->source_index]->file_index,
3786  input_streams[ost->source_index]->st->index,
3787  ost->file_index,
3788  ost->index);
3789  if (ost->sync_ist != input_streams[ost->source_index])
3790  av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
3791  ost->sync_ist->file_index,
3792  ost->sync_ist->st->index);
3793  if (ost->stream_copy)
3794  av_log(NULL, AV_LOG_INFO, " (copy)");
3795  else {
3796  const AVCodec *in_codec = input_streams[ost->source_index]->dec;
3797  const AVCodec *out_codec = ost->enc;
3798  const char *decoder_name = "?";
3799  const char *in_codec_name = "?";
3800  const char *encoder_name = "?";
3801  const char *out_codec_name = "?";
3802  const AVCodecDescriptor *desc;
3803 
3804  if (in_codec) {
3805  decoder_name = in_codec->name;
3806  desc = avcodec_descriptor_get(in_codec->id);
3807  if (desc)
3808  in_codec_name = desc->name;
3809  if (!strcmp(decoder_name, in_codec_name))
3810  decoder_name = "native";
3811  }
3812 
3813  if (out_codec) {
3814  encoder_name = out_codec->name;
3815  desc = avcodec_descriptor_get(out_codec->id);
3816  if (desc)
3817  out_codec_name = desc->name;
3818  if (!strcmp(encoder_name, out_codec_name))
3819  encoder_name = "native";
3820  }
3821 
3822  av_log(NULL, AV_LOG_INFO, " (%s (%s) -> %s (%s))",
3823  in_codec_name, decoder_name,
3824  out_codec_name, encoder_name);
3825  }
3826  av_log(NULL, AV_LOG_INFO, "\n");
3827  }
3828 
3829  if (ret) {
3830  av_log(NULL, AV_LOG_ERROR, "%s\n", error);
3831  return ret;
3832  }
3833 
3835 
3836  return 0;
3837 }
3838 
3839 /* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
3840 static int need_output(void)
3841 {
3842  int i;
3843 
3844  for (i = 0; i < nb_output_streams; i++) {
3845  OutputStream *ost = output_streams[i];
3846  OutputFile *of = output_files[ost->file_index];
3847  AVFormatContext *os = output_files[ost->file_index]->ctx;
3848 
3849  if (ost->finished ||
3850  (os->pb && avio_tell(os->pb) >= of->limit_filesize))
3851  continue;
3852  if (ost->frame_number >= ost->max_frames) {
3853  int j;
3854  for (j = 0; j < of->ctx->nb_streams; j++)
3855  close_output_stream(output_streams[of->ost_index + j]);
3856  continue;
3857  }
3858 
3859  return 1;
3860  }
3861 
3862  return 0;
3863 }
3864 
3865 /**
3866  * Select the output stream to process.
3867  *
3868  * @return selected output stream, or NULL if none available
3869  */
3871 {
3872  int i;
3873  int64_t opts_min = INT64_MAX;
3874  OutputStream *ost_min = NULL;
3875 
3876  for (i = 0; i < nb_output_streams; i++) {
3877  OutputStream *ost = output_streams[i];
3878  int64_t opts = ost->st->cur_dts == AV_NOPTS_VALUE ? INT64_MIN :
3879  av_rescale_q(ost->st->cur_dts, ost->st->time_base,
3880  AV_TIME_BASE_Q);
3881  if (ost->st->cur_dts == AV_NOPTS_VALUE)
3882  av_log(NULL, AV_LOG_DEBUG, "cur_dts is invalid (this is harmless if it occurs once at the start per stream)\n");
3883 
3884  if (!ost->initialized && !ost->inputs_done)
3885  return ost;
3886 
3887  if (!ost->finished && opts < opts_min) {
3888  opts_min = opts;
3889  ost_min = ost->unavailable ? NULL : ost;
3890  }
3891  }
3892  return ost_min;
3893 }
3894 
3895 static void set_tty_echo(int on)
3896 {
3897 #if HAVE_TERMIOS_H
3898  struct termios tty;
3899  if (tcgetattr(0, &tty) == 0) {
3900  if (on) tty.c_lflag |= ECHO;
3901  else tty.c_lflag &= ~ECHO;
3902  tcsetattr(0, TCSANOW, &tty);
3903  }
3904 #endif
3905 }
3906 
3907 static int check_keyboard_interaction(int64_t cur_time)
3908 {
3909  int i, ret, key;
3910  static int64_t last_time;
3911  if (received_nb_signals)
3912  return AVERROR_EXIT;
3913  /* read_key() returns 0 on EOF */
3914  if(cur_time - last_time >= 100000 && !run_as_daemon){
3915  key = read_key();
3916  last_time = cur_time;
3917  }else
3918  key = -1;
3919  if (key == 'q')
3920  return AVERROR_EXIT;
3921  if (key == '+') av_log_set_level(av_log_get_level()+10);
3922  if (key == '-') av_log_set_level(av_log_get_level()-10);
3923  if (key == 's') qp_hist ^= 1;
3924  if (key == 'h'){
3925  if (do_hex_dump){
3926  do_hex_dump = do_pkt_dump = 0;
3927  } else if(do_pkt_dump){
3928  do_hex_dump = 1;
3929  } else
3930  do_pkt_dump = 1;
3932  }
3933  if (key == 'c' || key == 'C'){
3934  char buf[4096], target[64], command[256], arg[256] = {0};
3935  double time;
3936  int k, n = 0;
3937  fprintf(stderr, "\nEnter command: <target>|all <time>|-1 <command>[ <argument>]\n");
3938  i = 0;
3939  set_tty_echo(1);
3940  while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
3941  if (k > 0)
3942  buf[i++] = k;
3943  buf[i] = 0;
3944  set_tty_echo(0);
3945  fprintf(stderr, "\n");
3946  if (k > 0 &&
3947  (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
3948  av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
3949  target, time, command, arg);
3950  for (i = 0; i < nb_filtergraphs; i++) {
3951  FilterGraph *fg = filtergraphs[i];
3952  if (fg->graph) {
3953  if (time < 0) {
3954  ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
3955  key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
3956  fprintf(stderr, "Command reply for stream %d: ret:%d res:\n%s", i, ret, buf);
3957  } else if (key == 'c') {
3958  fprintf(stderr, "Queuing commands only on filters supporting the specific command is unsupported\n");
3959  ret = AVERROR_PATCHWELCOME;
3960  } else {
3961  ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
3962  if (ret < 0)
3963  fprintf(stderr, "Queuing command failed with error %s\n", av_err2str(ret));
3964  }
3965  }
3966  }
3967  } else {
3969  "Parse error, at least 3 arguments were expected, "
3970  "only %d given in string '%s'\n", n, buf);
3971  }
3972  }
3973  if (key == 'd' || key == 'D'){
3974  int debug=0;
3975  if(key == 'D') {
3976  debug = input_streams[0]->st->codec->debug<<1;
3977  if(!debug) debug = 1;
3978  while(debug & (FF_DEBUG_DCT_COEFF
3979 #if FF_API_DEBUG_MV
3980  |FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE
3981 #endif
3982  )) //unsupported, would just crash
3983  debug += debug;
3984  }else{
3985  char buf[32];
3986  int k = 0;
3987  i = 0;
3988  set_tty_echo(1);
3989  while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
3990  if (k > 0)
3991  buf[i++] = k;
3992  buf[i] = 0;
3993  set_tty_echo(0);
3994  fprintf(stderr, "\n");
3995  if (k <= 0 || sscanf(buf, "%d", &debug)!=1)
3996  fprintf(stderr,"error parsing debug value\n");
3997  }
3998  for(i=0;i<nb_input_streams;i++) {
3999  input_streams[i]->st->codec->debug = debug;
4000  }
4001  for(i=0;i<nb_output_streams;i++) {
4002  OutputStream *ost = output_streams[i];
4003  ost->enc_ctx->debug = debug;
4004  }
4005  if(debug) av_log_set_level(AV_LOG_DEBUG);
4006  fprintf(stderr,"debug=%d\n", debug);
4007  }
4008  if (key == '?'){
4009  fprintf(stderr, "key function\n"
4010  "? show this help\n"
4011  "+ increase verbosity\n"
4012  "- decrease verbosity\n"
4013  "c Send command to first matching filter supporting it\n"
4014  "C Send/Queue command to all matching filters\n"
4015  "D cycle through available debug modes\n"
4016  "h dump packets/hex press to cycle through the 3 states\n"
4017  "q quit\n"
4018  "s Show QP histogram\n"
4019  );
4020  }
4021  return 0;
4022 }
4023 
4024 #if HAVE_THREADS
4025 static void *input_thread(void *arg)
4026 {
4027  InputFile *f = arg;
4028  unsigned flags = f->non_blocking ? AV_THREAD_MESSAGE_NONBLOCK : 0;
4029  int ret = 0;
4030 
4031  while (1) {
4032  AVPacket pkt;
4033  ret = av_read_frame(f->ctx, &pkt);
4034 
4035  if (ret == AVERROR(EAGAIN)) {
4036  av_usleep(10000);
4037  continue;
4038  }
4039  if (ret < 0) {
4040  av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
4041  break;
4042  }
4043  ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, flags);
4044  if (flags && ret == AVERROR(EAGAIN)) {
4045  flags = 0;
4046  ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, flags);
4048  "Thread message queue blocking; consider raising the "
4049  "thread_queue_size option (current value: %d)\n",
4050  f->thread_queue_size);
4051  }
4052  if (ret < 0) {
4053  if (ret != AVERROR_EOF)
4054  av_log(f->ctx, AV_LOG_ERROR,
4055  "Unable to send packet to main thread: %s\n",
4056  av_err2str(ret));
4057  av_packet_unref(&pkt);
4058  av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
4059  break;
4060  }
4061  }
4062 
4063  return NULL;
4064 }
4065 
4066 static void free_input_thread(int i)
4067 {
4068  InputFile *f = input_files[i];
4069  AVPacket pkt;
4070 
4071  if (!f || !f->in_thread_queue)
4072  return;
4074  while (av_thread_message_queue_recv(f->in_thread_queue, &pkt, 0) >= 0)
4075  av_packet_unref(&pkt);
4076 
4077  pthread_join(f->thread, NULL);
4078  f->joined = 1;
4079  av_thread_message_queue_free(&f->in_thread_queue);
4080 }
4081 
4082 static void free_input_threads(void)
4083 {
4084  int i;
4085 
4086  for (i = 0; i < nb_input_files; i++)
4087  free_input_thread(i);
4088 }
4089 
4090 static int init_input_thread(int i)
4091 {
4092  int ret;
4093  InputFile *f = input_files[i];
4094 
4095  if (nb_input_files == 1)
4096  return 0;
4097 
4098  if (f->ctx->pb ? !f->ctx->pb->seekable :
4099  strcmp(f->ctx->iformat->name, "lavfi"))
4100  f->non_blocking = 1;
4101  ret = av_thread_message_queue_alloc(&f->in_thread_queue,
4102  f->thread_queue_size, sizeof(AVPacket));
4103  if (ret < 0)
4104  return ret;
4105 
4106  if ((ret = pthread_create(&f->thread, NULL, input_thread, f))) {
4107  av_log(NULL, AV_LOG_ERROR, "pthread_create failed: %s. Try to increase `ulimit -v` or decrease `ulimit -s`.\n", strerror(ret));
4108  av_thread_message_queue_free(&f->in_thread_queue);
4109  return AVERROR(ret);
4110  }
4111 
4112  return 0;
4113 }
4114 
4115 static int init_input_threads(void)
4116 {
4117  int i, ret;
4118 
4119  for (i = 0; i < nb_input_files; i++) {
4120  ret = init_input_thread(i);
4121  if (ret < 0)
4122  return ret;
4123  }
4124  return 0;
4125 }
4126 
4127 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
4128 {
4129  return av_thread_message_queue_recv(f->in_thread_queue, pkt,
4130  f->non_blocking ?
4132 }
4133 #endif
4134 
4136 {
4137  if (f->rate_emu) {
4138  int i;
4139  for (i = 0; i < f->nb_streams; i++) {
4140  InputStream *ist = input_streams[f->ist_index + i];
4141  int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
4142  int64_t now = av_gettime_relative() - ist->start;
4143  if (pts > now)
4144  return AVERROR(EAGAIN);
4145  }
4146  }
4147 
4148 #if HAVE_THREADS
4149  if (nb_input_files > 1)
4150  return get_input_packet_mt(f, pkt);
4151 #endif
4152  return av_read_frame(f->ctx, pkt);
4153 }
4154 
4155 static int got_eagain(void)
4156 {
4157  int i;
4158  for (i = 0; i < nb_output_streams; i++)
4159  if (output_streams[i]->unavailable)
4160  return 1;
4161  return 0;
4162 }
4163 
4164 static void reset_eagain(void)
4165 {
4166  int i;
4167  for (i = 0; i < nb_input_files; i++)
4168  input_files[i]->eagain = 0;
4169  for (i = 0; i < nb_output_streams; i++)
4170  output_streams[i]->unavailable = 0;
4171 }
4172 
4173 // set duration to max(tmp, duration) in a proper time base and return duration's time_base
4174 static AVRational duration_max(int64_t tmp, int64_t *duration, AVRational tmp_time_base,
4175  AVRational time_base)
4176 {
4177  int ret;
4178 
4179  if (!*duration) {
4180  *duration = tmp;
4181  return tmp_time_base;
4182  }
4183 
4184  ret = av_compare_ts(*duration, time_base, tmp, tmp_time_base);
4185  if (ret < 0) {
4186  *duration = tmp;
4187  return tmp_time_base;
4188  }
4189 
4190  return time_base;
4191 }
4192 
4194 {
4195  InputStream *ist;
4196  AVCodecContext *avctx;
4197  int i, ret, has_audio = 0;
4198  int64_t duration = 0;
4199 
4200  ret = av_seek_frame(is, -1, is->start_time, 0);
4201  if (ret < 0)
4202  return ret;
4203 
4204  for (i = 0; i < ifile->nb_streams; i++) {
4205  ist = input_streams[ifile->ist_index + i];
4206  avctx = ist->dec_ctx;
4207 
4208  /* duration is the length of the last frame in a stream
4209  * when audio stream is present we don't care about
4210  * last video frame length because it's not defined exactly */
4211  if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && ist->nb_samples)
4212  has_audio = 1;
4213  }
4214 
4215  for (i = 0; i < ifile->nb_streams; i++) {
4216  ist = input_streams[ifile->ist_index + i];
4217  avctx = ist->dec_ctx;
4218 
4219  if (has_audio) {
4220  if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && ist->nb_samples) {
4221  AVRational sample_rate = {1, avctx->sample_rate};
4222 
4223  duration = av_rescale_q(ist->nb_samples, sample_rate, ist->st->time_base);
4224  } else {
4225  continue;
4226  }
4227  } else {
4228  if (ist->framerate.num) {
4229  duration = av_rescale_q(1, av_inv_q(ist->framerate), ist->st->time_base);
4230  } else if (ist->st->avg_frame_rate.num) {
4231  duration = av_rescale_q(1, av_inv_q(ist->st->avg_frame_rate), ist->st->time_base);
4232  } else {
4233  duration = 1;
4234  }
4235  }
4236  if (!ifile->duration)
4237  ifile->time_base = ist->st->time_base;
4238  /* the total duration of the stream, max_pts - min_pts is
4239  * the duration of the stream without the last frame */
4240  duration += ist->max_pts - ist->min_pts;
4241  ifile->time_base = duration_max(duration, &ifile->duration, ist->st->time_base,
4242  ifile->time_base);
4243  }
4244 
4245  if (ifile->loop > 0)
4246  ifile->loop--;
4247 
4248  return ret;
4249 }
4250 
4251 /*
4252  * Return
4253  * - 0 -- one packet was read and processed
4254  * - AVERROR(EAGAIN) -- no packets were available for selected file,
4255  * this function should be called again
4256  * - AVERROR_EOF -- this function should not be called again
4257  */
4258 static int process_input(int file_index)
4259 {
4260  InputFile *ifile = input_files[file_index];
4261  AVFormatContext *is;
4262  InputStream *ist;
4263  AVPacket pkt;
4264  int ret, thread_ret, i, j;
4265  int64_t duration;
4266  int64_t pkt_dts;
4267 
4268  is = ifile->ctx;
4269  ret = get_input_packet(ifile, &pkt);
4270 
4271  if (ret == AVERROR(EAGAIN)) {
4272  ifile->eagain = 1;
4273  return ret;
4274  }
4275  if (ret < 0 && ifile->loop) {
4276  AVCodecContext *avctx;
4277  for (i = 0; i < ifile->nb_streams; i++) {
4278  ist = input_streams[ifile->ist_index + i];
4279  avctx = ist->dec_ctx;
4280  if (ist->decoding_needed) {
4281  ret = process_input_packet(ist, NULL, 1);
4282  if (ret>0)
4283  return 0;
4284  avcodec_flush_buffers(avctx);
4285  }
4286  }
4287 #if HAVE_THREADS
4288  free_input_thread(file_index);
4289 #endif
4290  ret = seek_to_start(ifile, is);
4291 #if HAVE_THREADS
4292  thread_ret = init_input_thread(file_index);
4293  if (thread_ret < 0)
4294  return thread_ret;
4295 #endif
4296  if (ret < 0)
4297  av_log(NULL, AV_LOG_WARNING, "Seek to start failed.\n");
4298  else
4299  ret = get_input_packet(ifile, &pkt);
4300  if (ret == AVERROR(EAGAIN)) {
4301  ifile->eagain = 1;
4302  return ret;
4303  }
4304  }
4305  if (ret < 0) {
4306  if (ret != AVERROR_EOF) {
4307  print_error(is->url, ret);
4308  if (exit_on_error)
4309  exit_program(1);
4310  }
4311 
4312  for (i = 0; i < ifile->nb_streams; i++) {
4313  ist = input_streams[ifile->ist_index + i];
4314  if (ist->decoding_needed) {
4315  ret = process_input_packet(ist, NULL, 0);
4316  if (ret>0)
4317  return 0;
4318  }
4319 
4320  /* mark all outputs that don't go through lavfi as finished */
4321  for (j = 0; j < nb_output_streams; j++) {
4322  OutputStream *ost = output_streams[j];
4323 
4324  if (ost->source_index == ifile->ist_index + i &&
4325  (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
4326  finish_output_stream(ost);
4327  }
4328  }
4329 
4330  ifile->eof_reached = 1;
4331  return AVERROR(EAGAIN);
4332  }
4333 
4334  reset_eagain();
4335 
4336  if (do_pkt_dump) {
4338  is->streams[pkt.stream_index]);
4339  }
4340  /* the following test is needed in case new streams appear
4341  dynamically in stream : we ignore them */
4342  if (pkt.stream_index >= ifile->nb_streams) {
4343  report_new_stream(file_index, &pkt);
4344  goto discard_packet;
4345  }
4346 
4347  ist = input_streams[ifile->ist_index + pkt.stream_index];
4348 
4349  ist->data_size += pkt.size;
4350  ist->nb_packets++;
4351 
4352  if (ist->discard)
4353  goto discard_packet;
4354 
4355  if (pkt.flags & AV_PKT_FLAG_CORRUPT) {
4357  "%s: corrupt input packet in stream %d\n", is->url, pkt.stream_index);
4358  if (exit_on_error)
4359  exit_program(1);
4360  }
4361 
4362  if (debug_ts) {
4363  av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
4364  "next_dts:%s next_dts_time:%s next_pts:%s next_pts_time:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%s off_time:%s\n",
4368  av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
4369  av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
4370  av_ts2str(input_files[ist->file_index]->ts_offset),
4371  av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
4372  }
4373 
4374  if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
4375  int64_t stime, stime2;
4376  // Correcting starttime based on the enabled streams
4377  // FIXME this ideally should be done before the first use of starttime but we do not know which are the enabled streams at that point.
4378  // so we instead do it here as part of discontinuity handling
4379  if ( ist->next_dts == AV_NOPTS_VALUE
4380  && ifile->ts_offset == -is->start_time
4381  && (is->iformat->flags & AVFMT_TS_DISCONT)) {
4382  int64_t new_start_time = INT64_MAX;
4383  for (i=0; i<is->nb_streams; i++) {
4384  AVStream *st = is->streams[i];
4385  if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
4386  continue;
4387  new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
4388  }
4389  if (new_start_time > is->start_time) {
4390  av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time);
4391  ifile->ts_offset = -new_start_time;
4392  }
4393  }
4394 
4395  stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base);
4396  stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
4397  ist->wrap_correction_done = 1;
4398 
4399  if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
4400  pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
4401  ist->wrap_correction_done = 0;
4402  }
4403  if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
4404  pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
4405  ist->wrap_correction_done = 0;
4406  }
4407  }
4408 
4409  /* add the stream-global side data to the first packet */
4410  if (ist->nb_packets == 1) {
4411  for (i = 0; i < ist->st->nb_side_data; i++) {
4412  AVPacketSideData *src_sd = &ist->st->side_data[i];
4413  uint8_t *dst_data;
4414 
4415  if (src_sd->type == AV_PKT_DATA_DISPLAYMATRIX)
4416  continue;
4417 
4418  if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
4419  continue;
4420 
4421  dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
4422  if (!dst_data)
4423  exit_program(1);
4424 
4425  memcpy(dst_data, src_sd->data, src_sd->size);
4426  }
4427  }
4428 
4429  if (pkt.dts != AV_NOPTS_VALUE)
4430  pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
4431  if (pkt.pts != AV_NOPTS_VALUE)
4432  pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
4433 
4434  if (pkt.pts != AV_NOPTS_VALUE)
4435  pkt.pts *= ist->ts_scale;
4436  if (pkt.dts != AV_NOPTS_VALUE)
4437  pkt.dts *= ist->ts_scale;
4438 
4440  if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
4442  pkt_dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
4443  && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
4444  int64_t delta = pkt_dts - ifile->last_ts;
4445  if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
4446  delta > 1LL*dts_delta_threshold*AV_TIME_BASE){
4447  ifile->ts_offset -= delta;
4449  "Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
4450  delta, ifile->ts_offset);
4451  pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
4452  if (pkt.pts != AV_NOPTS_VALUE)
4453  pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
4454  }
4455  }
4456 
4457  duration = av_rescale_q(ifile->duration, ifile->time_base, ist->st->time_base);
4458  if (pkt.pts != AV_NOPTS_VALUE) {
4459  pkt.pts += duration;
4460  ist->max_pts = FFMAX(pkt.pts, ist->max_pts);
4461  ist->min_pts = FFMIN(pkt.pts, ist->min_pts);
4462  }
4463 
4464  if (pkt.dts != AV_NOPTS_VALUE)
4465  pkt.dts += duration;
4466 
4468  if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
4470  pkt_dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
4471  !copy_ts) {
4472  int64_t delta = pkt_dts - ist->next_dts;
4473  if (is->iformat->flags & AVFMT_TS_DISCONT) {
4474  if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
4475  delta > 1LL*dts_delta_threshold*AV_TIME_BASE ||
4476  pkt_dts + AV_TIME_BASE/10 < FFMAX(ist->pts, ist->dts)) {
4477  ifile->ts_offset -= delta;
4479  "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
4480  delta, ifile->ts_offset);
4481  pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
4482  if (pkt.pts != AV_NOPTS_VALUE)
4483  pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
4484  }
4485  } else {
4486  if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
4487  delta > 1LL*dts_error_threshold*AV_TIME_BASE) {
4488  av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
4489  pkt.dts = AV_NOPTS_VALUE;
4490  }
4491  if (pkt.pts != AV_NOPTS_VALUE){
4492  int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
4493  delta = pkt_pts - ist->next_dts;
4494  if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
4495  delta > 1LL*dts_error_threshold*AV_TIME_BASE) {
4496  av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
4497  pkt.pts = AV_NOPTS_VALUE;
4498  }
4499  }
4500  }
4501  }
4502 
4503  if (pkt.dts != AV_NOPTS_VALUE)
4504  ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
4505 
4506  if (debug_ts) {
4507  av_log(NULL, AV_LOG_INFO, "demuxer+ffmpeg -> ist_index:%d type:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%s off_time:%s\n",
4509  av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
4510  av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
4511  av_ts2str(input_files[ist->file_index]->ts_offset),
4512  av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
4513  }
4514 
4515  sub2video_heartbeat(ist, pkt.pts);
4516 
4517  process_input_packet(ist, &pkt, 0);
4518 
4519 discard_packet:
4520  av_packet_unref(&pkt);
4521 
4522  return 0;
4523 }
4524 
4525 /**
4526  * Perform a step of transcoding for the specified filter graph.
4527  *
4528  * @param[in] graph filter graph to consider
4529  * @param[out] best_ist input stream where a frame would allow to continue
4530  * @return 0 for success, <0 for error
4531  */
4532 static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
4533 {
4534  int i, ret;
4535  int nb_requests, nb_requests_max = 0;
4536  InputFilter *ifilter;
4537  InputStream *ist;
4538 
4539  *best_ist = NULL;
4540  ret = avfilter_graph_request_oldest(graph->graph);
4541  if (ret >= 0)
4542  return reap_filters(0);
4543 
4544  if (ret == AVERROR_EOF) {
4545  ret = reap_filters(1);
4546  for (i = 0; i < graph->nb_outputs; i++)
4547  close_output_stream(graph->outputs[i]->ost);
4548  return ret;
4549  }
4550  if (ret != AVERROR(EAGAIN))
4551  return ret;
4552 
4553  for (i = 0; i < graph->nb_inputs; i++) {
4554  ifilter = graph->inputs[i];
4555  ist = ifilter->ist;
4556  if (input_files[ist->file_index]->eagain ||
4557  input_files[ist->file_index]->eof_reached)
4558  continue;
4559  nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
4560  if (nb_requests > nb_requests_max) {
4561  nb_requests_max = nb_requests;
4562  *best_ist = ist;
4563  }
4564  }
4565 
4566  if (!*best_ist)
4567  for (i = 0; i < graph->nb_outputs; i++)
4568  graph->outputs[i]->ost->unavailable = 1;
4569 
4570  return 0;
4571 }
4572 
4573 /**
4574  * Run a single step of transcoding.
4575  *
4576  * @return 0 for success, <0 for error
4577  */
4578 static int transcode_step(void)
4579 {
4580  OutputStream *ost;
4581  InputStream *ist = NULL;
4582  int ret;
4583 
4584  ost = choose_output();
4585  if (!ost) {
4586  if (got_eagain()) {
4587  reset_eagain();
4588  av_usleep(10000);
4589  return 0;
4590  }
4591  av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
4592  return AVERROR_EOF;
4593  }
4594 
4595  if (ost->filter && !ost->filter->graph->graph) {
4597  ret = configure_filtergraph(ost->filter->graph);
4598  if (ret < 0) {
4599  av_log(NULL, AV_LOG_ERROR, "Error reinitializing filters!\n");
4600  return ret;
4601  }
4602  }
4603  }
4604 
4605  if (ost->filter && ost->filter->graph->graph) {
4606  if (!ost->initialized) {
4607  char error[1024] = {0};
4608  ret = init_output_stream(ost, error, sizeof(error));
4609  if (ret < 0) {
4610  av_log(NULL, AV_LOG_ERROR, "Error initializing output stream %d:%d -- %s\n",
4611  ost->file_index, ost->index, error);
4612  exit_program(1);
4613  }
4614  }
4615  if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
4616  return ret;
4617  if (!ist)
4618  return 0;
4619  } else if (ost->filter) {
4620  int i;
4621  for (i = 0; i < ost->filter->graph->nb_inputs; i++) {
4622  InputFilter *ifilter = ost->filter->graph->inputs[i];
4623  if (!ifilter->ist->got_output && !input_files[ifilter->ist->file_index]->eof_reached) {
4624  ist = ifilter->ist;
4625  break;
4626  }
4627  }
4628  if (!ist) {
4629  ost->inputs_done = 1;
4630  return 0;
4631  }
4632  } else {
4633  av_assert0(ost->source_index >= 0);
4634  ist = input_streams[ost->source_index];
4635  }
4636 
4637  ret = process_input(ist->file_index);
4638  if (ret == AVERROR(EAGAIN)) {
4639  if (input_files[ist->file_index]->eagain)
4640  ost->unavailable = 1;
4641  return 0;
4642  }
4643 
4644  if (ret < 0)
4645  return ret == AVERROR_EOF ? 0 : ret;
4646 
4647  return reap_filters(0);
4648 }
4649 
4650 /*
4651  * The following code is the main loop of the file converter
4652  */
4653 static int transcode(void)
4654 {
4655  int ret, i;
4656  AVFormatContext *os;
4657  OutputStream *ost;
4658  InputStream *ist;
4659  int64_t timer_start;
4660  int64_t total_packets_written = 0;
4661 
4662  ret = transcode_init();
4663  if (ret < 0)
4664  goto fail;
4665 
4666  if (stdin_interaction) {
4667  av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
4668  }
4669 
4670  timer_start = av_gettime_relative();
4671 
4672 #if HAVE_THREADS
4673  if ((ret = init_input_threads()) < 0)
4674  goto fail;
4675 #endif
4676 
4677  while (!received_sigterm) {
4678  int64_t cur_time= av_gettime_relative();
4679 
4680  /* if 'q' pressed, exits */
4681  if (stdin_interaction)
4682  if (check_keyboard_interaction(cur_time) < 0)
4683  break;
4684 
4685  /* check if there's any stream where output is still needed */
4686  if (!need_output()) {
4687  av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
4688  break;
4689  }
4690 
4691  ret = transcode_step();
4692  if (ret < 0 && ret != AVERROR_EOF) {
4693  av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", av_err2str(ret));
4694  break;
4695  }
4696 
4697  /* dump report by using the output first video and audio streams */
4698  print_report(0, timer_start, cur_time);
4699  }
4700 #if HAVE_THREADS
4701  free_input_threads();
4702 #endif
4703 
4704  /* at the end of stream, we must flush the decoder buffers */
4705  for (i = 0; i < nb_input_streams; i++) {
4706  ist = input_streams[i];
4707  if (!input_files[ist->file_index]->eof_reached) {
4708  process_input_packet(ist, NULL, 0);
4709  }
4710  }
4711  flush_encoders();
4712 
4713  term_exit();
4714 
4715  /* write the trailer if needed and close file */
4716  for (i = 0; i < nb_output_files; i++) {
4717  os = output_files[i]->ctx;
4718  if (!output_files[i]->header_written) {
4720  "Nothing was written into output file %d (%s), because "
4721  "at least one of its streams received no packets.\n",
4722  i, os->url);
4723  continue;
4724  }
4725  if ((ret = av_write_trailer(os)) < 0) {
4726  av_log(NULL, AV_LOG_ERROR, "Error writing trailer of %s: %s\n", os->url, av_err2str(ret));
4727  if (exit_on_error)
4728  exit_program(1);
4729  }
4730  }
4731 
4732  /* dump report by using the first video and audio streams */
4733  print_report(1, timer_start, av_gettime_relative());
4734 
4735  /* close each encoder */
4736  for (i = 0; i < nb_output_streams; i++) {
4737  ost = output_streams[i];
4738  if (ost->encoding_needed) {
4739  av_freep(&ost->enc_ctx->stats_in);
4740  }
4741  total_packets_written += ost->packets_written;
4742  }
4743 
4744  if (!total_packets_written && (abort_on_flags & ABORT_ON_FLAG_EMPTY_OUTPUT)) {
4745  av_log(NULL, AV_LOG_FATAL, "Empty output\n");
4746  exit_program(1);
4747  }
4748 
4749  /* close each decoder */
4750  for (i = 0; i < nb_input_streams; i++) {
4751  ist = input_streams[i];
4752  if (ist->decoding_needed) {
4753  avcodec_close(ist->dec_ctx);
4754  if (ist->hwaccel_uninit)
4755  ist->hwaccel_uninit(ist->dec_ctx);
4756  }
4757  }
4758 
4761 
4762  /* finished ! */
4763  ret = 0;
4764 
4765  fail:
4766 #if HAVE_THREADS
4767  free_input_threads();
4768 #endif
4769 
4770  if (output_streams) {
4771  for (i = 0; i < nb_output_streams; i++) {
4772  ost = output_streams[i];
4773  if (ost) {
4774  if (ost->logfile) {
4775  if (fclose(ost->logfile))
4777  "Error closing logfile, loss of information possible: %s\n",
4778  av_err2str(AVERROR(errno)));
4779  ost->logfile = NULL;
4780  }
4781  av_freep(&ost->forced_kf_pts);
4782  av_freep(&ost->apad);
4783  av_freep(&ost->disposition);
4784  av_dict_free(&ost->encoder_opts);
4785  av_dict_free(&ost->sws_dict);
4786  av_dict_free(&ost->swr_opts);
4787  av_dict_free(&ost->resample_opts);
4788  }
4789  }
4790  }
4791  return ret;
4792 }
4793 
4795 {
4796  BenchmarkTimeStamps time_stamps = { av_gettime_relative() };
4797 #if HAVE_GETRUSAGE
4798  struct rusage rusage;
4799 
4800  getrusage(RUSAGE_SELF, &rusage);
4801  time_stamps.user_usec =
4802  (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4803  time_stamps.sys_usec =
4804  (rusage.ru_stime.tv_sec * 1000000LL) + rusage.ru_stime.tv_usec;
4805 #elif HAVE_GETPROCESSTIMES
4806  HANDLE proc;
4807  FILETIME c, e, k, u;
4808  proc = GetCurrentProcess();
4809  GetProcessTimes(proc, &c, &e, &k, &u);
4810  time_stamps.user_usec =
4811  ((int64_t)u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4812  time_stamps.sys_usec =
4813  ((int64_t)k.dwHighDateTime << 32 | k.dwLowDateTime) / 10;
4814 #else
4815  time_stamps.user_usec = time_stamps.sys_usec = 0;
4816 #endif
4817  return time_stamps;
4818 }
4819 
4820 static int64_t getmaxrss(void)
4821 {
4822 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4823  struct rusage rusage;
4824  getrusage(RUSAGE_SELF, &rusage);
4825  return (int64_t)rusage.ru_maxrss * 1024;
4826 #elif HAVE_GETPROCESSMEMORYINFO
4827  HANDLE proc;
4828  PROCESS_MEMORY_COUNTERS memcounters;
4829  proc = GetCurrentProcess();
4830  memcounters.cb = sizeof(memcounters);
4831  GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4832  return memcounters.PeakPagefileUsage;
4833 #else
4834  return 0;
4835 #endif
4836 }
4837 
4838 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
4839 {
4840 }
4841 
4842 int main(int argc, char **argv)
4843 {
4844  int i, ret;
4846 
4847  init_dynload();
4848 
4850 
4851  setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
4852 
4854  parse_loglevel(argc, argv, options);
4855 
4856  if(argc>1 && !strcmp(argv[1], "-d")){
4857  run_as_daemon=1;
4859  argc--;
4860  argv++;
4861  }
4862 
4863 #if CONFIG_AVDEVICE
4865 #endif
4867 
4868  show_banner(argc, argv, options);
4869 
4870  /* parse options and open all input/output files */
4871  ret = ffmpeg_parse_options(argc, argv);
4872  if (ret < 0)
4873  exit_program(1);
4874 
4875  if (nb_output_files <= 0 && nb_input_files == 0) {
4876  show_usage();
4877  av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4878  exit_program(1);
4879  }
4880 
4881  /* file converter / grab */
4882  if (nb_output_files <= 0) {
4883  av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
4884  exit_program(1);
4885  }
4886 
4887 // if (nb_input_files == 0) {
4888 // av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
4889 // exit_program(1);
4890 // }
4891 
4892  for (i = 0; i < nb_output_files; i++) {
4893  if (strcmp(output_files[i]->ctx->oformat->name, "rtp"))
4894  want_sdp = 0;
4895  }
4896 
4897  current_time = ti = get_benchmark_time_stamps();
4898  if (transcode() < 0)
4899  exit_program(1);
4900  if (do_benchmark) {
4901  int64_t utime, stime, rtime;
4902  current_time = get_benchmark_time_stamps();
4903  utime = current_time.user_usec - ti.user_usec;
4904  stime = current_time.sys_usec - ti.sys_usec;
4905  rtime = current_time.real_usec - ti.real_usec;
4907  "bench: utime=%0.3fs stime=%0.3fs rtime=%0.3fs\n",
4908  utime / 1000000.0, stime / 1000000.0, rtime / 1000000.0);
4909  }
4910  av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n",
4913  exit_program(69);
4914 
4916  return main_return_code;
4917 }
unsigned int nb_chapters
Number of chapters in AVChapter array.
Definition: avformat.h:1580
int64_t pts
current pts of the decoded frame (in AV_TIME_BASE units)
Definition: ffmpeg.h:316
int nb_bitstream_filters
Definition: ffmpeg.h:462
#define extra_bits(eb)
Definition: intrax8.c:159
#define AV_CODEC_FLAG_INTERLACED_ME
interlaced motion estimation
Definition: avcodec.h:904
void init_dynload(void)
Initialize dynamic library loading.
Definition: cmdutils.c:120
AVRational enc_timebase
Definition: ffmpeg.h:460
static void write_packet(OutputFile *of, AVPacket *pkt, OutputStream *ost, int unqueue)
Definition: ffmpeg.c:689
int got_output
Definition: ffmpeg.h:341
#define AV_DISPOSITION_METADATA
Definition: avformat.h:856
void av_bsf_free(AVBSFContext **ctx)
Free a bitstream filter context and everything associated with it; write NULL into the supplied point...
Definition: bsf.c:35
static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
Definition: ffmpeg.c:1998
int64_t first_dts
Timestamp corresponding to the last dts sync point.
Definition: avformat.h:1076
int guess_input_channel_layout(InputStream *ist)
Definition: ffmpeg.c:2085
#define ATOMIC_VAR_INIT(value)
Definition: stdatomic.h:31
#define NULL
Definition: coverity.c:32
int frame_number
Definition: ffmpeg.h:448
const struct AVCodec * codec
Definition: avcodec.h:1542
Definition: ffmpeg.h:425
AVRational framerate
Definition: avcodec.h:3056
enum AVFieldOrder field_order
Video only.
Definition: avcodec.h:3981
static void output_packet(OutputFile *of, AVPacket *pkt, OutputStream *ost, int eof)
Definition: ffmpeg.c:846
static void do_subtitle_out(OutputFile *of, OutputStream *ost, AVSubtitle *sub)
Definition: ffmpeg.c:970
Bytestream IO Context.
Definition: avio.h:161
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
static enum AVPixelFormat pix_fmt
int64_t recording_time
desired length of the resulting file in microseconds == AV_TIME_BASE units
Definition: ffmpeg.h:558
void term_init(void)
Definition: ffmpeg.c:387
int64_t avio_size(AVIOContext *s)
Get the filesize.
Definition: aviobuf.c:336
AVCodecParameters * par_out
Parameters of the output stream.
Definition: avcodec.h:5737
void av_bprintf(AVBPrint *buf, const char *fmt,...)
Definition: bprint.c:94
uint8_t * name
Definition: ffmpeg.h:263
int nb_outputs
Definition: ffmpeg.h:292
void av_buffer_unref(AVBufferRef **buf)
Free a given reference and automatically free the buffer if there are no more references to it...
Definition: buffer.c:125
AVDictionary * swr_opts
Definition: ffmpeg.h:509
#define DECODING_FOR_FILTER
Definition: ffmpeg.h:302
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2446
#define av_realloc_f(p, o, n)
This structure describes decoded (raw) audio or video data.
Definition: frame.h:226
int avfilter_graph_queue_command(AVFilterGraph *graph, const char *target, const char *cmd, const char *arg, int flags, double ts)
Queue a command for one or more filter instances.
static int init_output_stream_streamcopy(OutputStream *ost)
Definition: ffmpeg.c:3057
void term_exit(void)
Definition: ffmpeg.c:328
int stream_copy
Definition: ffmpeg.h:514
int av_interleaved_write_frame(AVFormatContext *s, AVPacket *pkt)
Write a packet to an output media file ensuring correct interleaving.
Definition: mux.c:1185
int x
top left corner of pict, undefined when pict is not set
Definition: avcodec.h:3842
AVIOInterruptCB interrupt_callback
Custom interrupt callbacks for the I/O layer.
Definition: avformat.h:1629
#define atomic_store(object, desired)
Definition: stdatomic.h:85
AVOption.
Definition: opt.h:246
AVRational frame_rate
Definition: ffmpeg.h:477
int64_t * forced_kf_pts
Definition: ffmpeg.h:488
void av_thread_message_queue_set_err_recv(AVThreadMessageQueue *mq, int err)
Set the receiving error code.
static void flush(AVCodecContext *avctx)
static void sub2video_flush(InputStream *ist)
Definition: ffmpeg.c:304
uint64_t error[AV_NUM_DATA_POINTERS]
error
Definition: avcodec.h:2709
AVBufferRef * hw_frames_ctx
Definition: ffmpeg.h:376
char * filters
filtergraph associated to the -filter option
Definition: ffmpeg.h:504
#define AV_CODEC_FLAG_INTERLACED_DCT
Use interlaced DCT.
Definition: avcodec.h:883
static int process_input(int file_index)
Definition: ffmpeg.c:4258
int exit_on_error
Definition: ffmpeg_opt.c:103
int64_t cfr_next_pts
Definition: ffmpeg.h:326
int64_t forced_kf_ref_pts
Definition: ffmpeg.h:487
const char * fmt
Definition: avisynth_c.h:769
static int init_output_stream(OutputStream *ost, char *error, int error_len)
Definition: ffmpeg.c:3457
static atomic_int transcode_init_done
Definition: ffmpeg.c:336
misc image utilities
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
int64_t bit_rate
the average bitrate
Definition: avcodec.h:1583
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
Main libavfilter public API header.
int64_t pos
byte position in stream, -1 if unknown
Definition: avcodec.h:1465
#define AV_DICT_DONT_OVERWRITE
Don't overwrite existing entries.
Definition: dict.h:79
static int run_as_daemon
Definition: ffmpeg.c:134
Memory buffer source API.
const char * desc
Definition: nvenc.c:65
void av_log_set_level(int level)
Set the log level.
Definition: log.c:385
AVRational framerate
Definition: ffmpeg.h:333
AVRational sample_aspect_ratio
Video only.
Definition: avcodec.h:3976
int avcodec_receive_packet(AVCodecContext *avctx, AVPacket *avpkt)
Read encoded data from the encoder.
Definition: encode.c:417
int height
Definition: ffmpeg.h:247
int64_t max_pts
Definition: ffmpeg.h:322
int decoding_needed
Definition: ffmpeg.h:300
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: avcodec.h:3900
void sub2video_update(InputStream *ist, AVSubtitle *sub)
Definition: ffmpeg.c:240
const struct AVBitStreamFilter * filter
The bitstream filter this context is an instance of.
Definition: avcodec.h:5712
AVRational sample_aspect_ratio
sample aspect ratio (0 if unknown)
Definition: avformat.h:936
int num
Numerator.
Definition: rational.h:59
The bitstream filter state.
Definition: avcodec.h:5703
static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
Definition: ffmpeg.c:1650
#define vsnprintf
Definition: snprintf.h:36
int index
stream index in AVFormatContext
Definition: avformat.h:875
int size
Definition: avcodec.h:1446
static int64_t getmaxrss(void)
Definition: ffmpeg.c:4820
int max_muxing_queue_size
Definition: ffmpeg.h:542
const char * b
Definition: vf_curves.c:116
static int nb_frames_dup
Definition: ffmpeg.c:135
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:191
#define us(width, name, range_min, range_max, subs,...)
Definition: cbs_h2645.c:261
int av_log2(unsigned v)
Definition: intmath.c:26
static InputStream * get_input_stream(OutputStream *ost)
Definition: ffmpeg.c:2962
void hw_device_free_all(void)
Definition: ffmpeg_hw.c:269
#define AVIO_FLAG_WRITE
write-only
Definition: avio.h:655
#define AV_DISPOSITION_DUB
Definition: avformat.h:820
AVRational sample_aspect_ratio
sample aspect ratio (0 if unknown) That is the width of a pixel divided by the height of the pixel...
Definition: avcodec.h:1912
int eagain
Definition: ffmpeg.h:396
void avfilter_graph_free(AVFilterGraph **graph)
Free a graph, destroy its links, and set *graph to NULL.
#define AV_CODEC_PROP_TEXT_SUB
Subtitle codec is text based.
Definition: avcodec.h:772
void show_banner(int argc, char **argv, const OptionDef *options)
Print the program banner to stderr.
Definition: cmdutils.c:1180
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:1743
static int init_output_stream_encode(OutputStream *ost)
Definition: ffmpeg.c:3299
static void abort_codec_experimental(AVCodec *c, int encoder)
Definition: ffmpeg.c:654
#define AV_DISPOSITION_HEARING_IMPAIRED
stream for hearing impaired audiences
Definition: avformat.h:832
int quality
Definition: ffmpeg.h:540
unsigned num_rects
Definition: avcodec.h:3880
AVFrame * filter_frame
Definition: ffmpeg.h:307
static int transcode_init(void)
Definition: ffmpeg.c:3667
static int compare_int64(const void *a, const void *b)
Definition: ffmpeg.c:2969
static int process_input_packet(InputStream *ist, const AVPacket *pkt, int no_eof)
Definition: ffmpeg.c:2574
char * stats_in
pass2 encoding statistics input buffer Concatenated stuff from stats_out of pass1 should be placed he...
Definition: avcodec.h:2556
int do_benchmark_all
Definition: ffmpeg_opt.c:96
enum AVMediaType type
Definition: avcodec.h:3437
#define AV_DISPOSITION_CLEAN_EFFECTS
stream without voice
Definition: avformat.h:834
const char * key
int last_dropped
Definition: ffmpeg.h:471
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
Definition: mem.c:236
uint64_t_TMPL AV_RL64
Definition: bytestream.h:87
int av_usleep(unsigned usec)
Sleep for a period of time.
Definition: time.c:84
int av_expr_parse(AVExpr **expr, const char *s, const char *const *const_names, const char *const *func1_names, double(*const *funcs1)(void *, double), const char *const *func2_names, double(*const *funcs2)(void *, double, double), int log_offset, void *log_ctx)
Parse an expression.
Definition: eval.c:679
discard all
Definition: avcodec.h:803
AVPacketSideData * side_data
An array of side data that applies to the whole stream (i.e.
Definition: avformat.h:976
int(* hwaccel_get_buffer)(AVCodecContext *s, AVFrame *frame, int flags)
Definition: ffmpeg.h:372
int64_t input_ts_offset
Definition: ffmpeg.h:402
int do_hex_dump
Definition: ffmpeg_opt.c:97
static AVPacket pkt
int bits_per_raw_sample
Bits per sample/pixel of internal libavcodec pixel/sample format.
Definition: avcodec.h:2757
int nb_input_streams
Definition: ffmpeg.c:148
const char * name
Definition: ffmpeg.h:68
intptr_t atomic_int
Definition: stdatomic.h:55
int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub, int *got_sub_ptr, AVPacket *avpkt)
Decode a subtitle message.
Definition: decode.c:1025
static void report_new_stream(int input_index, AVPacket *pkt)
Definition: ffmpeg.c:3652
#define src
Definition: vp8dsp.c:254
uint64_t packets_written
Definition: ffmpeg.h:534
AVCodec.
Definition: avcodec.h:3424
#define VSYNC_VFR
Definition: ffmpeg.h:52
int nb_dts_buffer
Definition: ffmpeg.h:388
#define AVFMT_TS_NONSTRICT
Format does not require strictly increasing timestamps, but they must still be monotonic.
Definition: avformat.h:479
This struct describes the properties of an encoded stream.
Definition: avcodec.h:3892
int print_stats
Definition: ffmpeg_opt.c:105
int av_bsf_init(AVBSFContext *ctx)
Prepare the filter for use, after all the parameters and options have been set.
Definition: bsf.c:134
float dts_error_threshold
Definition: ffmpeg_opt.c:88
int64_t start_time
start time in microseconds == AV_TIME_BASE units
Definition: ffmpeg.h:559
int av_bprint_finalize(AVBPrint *buf, char **ret_str)
Finalize a print buffer.
Definition: bprint.c:235
int index
Definition: ffmpeg.h:283
uint64_t data_size
Definition: ffmpeg.h:532
static int decode_interrupt_cb(void *ctx)
Definition: ffmpeg.c:476
AVBSFContext ** bsf_ctx
Definition: ffmpeg.h:463
int av_fifo_generic_write(AVFifoBuffer *f, void *src, int size, int(*func)(void *, void *, int))
Feed data from a user-supplied callback to an AVFifoBuffer.
Definition: fifo.c:122
void av_display_rotation_set(int32_t matrix[9], double angle)
Initialize a transformation matrix describing a pure counterclockwise rotation by the specified angle...
Definition: display.c:50
#define AV_DISPOSITION_KARAOKE
Definition: avformat.h:824
struct FilterGraph * graph
Definition: ffmpeg.h:238
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
Definition: avcodec.h:1656
static int send_frame_to_filters(InputStream *ist, AVFrame *decoded_frame)
Definition: ffmpeg.c:2258
Undefined.
Definition: avutil.h:273
AVSubtitleRect ** rects
Definition: avcodec.h:3881
int encoding_needed
Definition: ffmpeg.h:447
static void update_benchmark(const char *fmt,...)
Definition: ffmpeg.c:659
static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
Definition: ffmpeg.c:4838
AVBufferRef * hw_frames_ctx
For hwaccel-format frames, this should be a reference to the AVHWFramesContext describing the frame...
Definition: frame.h:564
static int check_keyboard_interaction(int64_t cur_time)
Definition: ffmpeg.c:3907
Format I/O context.
Definition: avformat.h:1351
Immediately push the frame to the output.
Definition: buffersrc.h:46
uint64_t samples_decoded
Definition: ffmpeg.h:385
memory buffer sink API for audio and video
struct InputStream * ist
Definition: ffmpeg.h:237
static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *duration_pts, int eof, int *decode_failed)
Definition: ffmpeg.c:2348
unsigned int nb_stream_indexes
Definition: avformat.h:1273
#define AV_LOG_QUIET
Print no output.
Definition: log.h:158
enum HWAccelID id
Definition: ffmpeg.h:70
int64_t cur_dts
Definition: avformat.h:1077
int w
width of pict, undefined when pict is not set
Definition: avcodec.h:3844
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
Definition: log.h:72
#define AV_CODEC_CAP_DELAY
Encoder or decoder requires flushing with NULL input at the end in order to give the complete and cor...
Definition: avcodec.h:993
uint64_t frames_decoded
Definition: ffmpeg.h:384
int header_written
Definition: ffmpeg.h:564
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
AVFilterGraph * graph
Definition: ffmpeg.h:286
int av_buffersink_get_sample_rate(const AVFilterContext *ctx)
Public dictionary API.
char * logfile_prefix
Definition: ffmpeg.h:499
static uint8_t * subtitle_out
Definition: ffmpeg.c:145
int av_bsf_receive_packet(AVBSFContext *ctx, AVPacket *pkt)
Retrieve a filtered packet.
Definition: bsf.c:211
static void filter(int16_t *output, ptrdiff_t out_stride, int16_t *low, ptrdiff_t low_stride, int16_t *high, ptrdiff_t high_stride, int len, int clip)
Definition: cfhd.c:153
static int main_return_code
Definition: ffmpeg.c:338
static int64_t start_time
Definition: ffplay.c:330
int copy_initial_nonkeyframes
Definition: ffmpeg.h:524
void register_exit(void(*cb)(int ret))
Register a program-specific cleanup routine.
Definition: cmdutils.c:131
static int init_output_bsfs(OutputStream *ost)
Definition: ffmpeg.c:3021
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:117
enum AVSampleFormat sample_fmt
audio sample format
Definition: avcodec.h:2197
int64_t * dts_buffer
Definition: ffmpeg.h:387
int flags
can use flags: AVFMT_NOFILE, AVFMT_NEEDNUMBER, AVFMT_GLOBALHEADER, AVFMT_NOTIMESTAMPS, AVFMT_VARIABLE_FPS, AVFMT_NODIMENSIONS, AVFMT_NOSTREAMS, AVFMT_ALLOW_FLUSH, AVFMT_TS_NONSTRICT, AVFMT_TS_NEGATIVE
Definition: avformat.h:526
uint8_t
#define av_malloc(s)
AVFrame * av_frame_alloc(void)
Allocate an AVFrame and set its fields to default values.
Definition: frame.c:189
Opaque data information usually continuous.
Definition: avutil.h:203
AVDictionary * sws_dict
Definition: ffmpeg.h:508
int av_thread_message_queue_recv(AVThreadMessageQueue *mq, void *msg, unsigned flags)
Receive a message from the queue.
int width
Video only.
Definition: avcodec.h:3966
float delta
static void sub2video_push_ref(InputStream *ist, int64_t pts)
Definition: ffmpeg.c:222
AVOptions.
int subtitle_header_size
Definition: avcodec.h:3002
int flags
Can use flags: AVFMT_NOFILE, AVFMT_NEEDNUMBER, AVFMT_SHOW_IDS, AVFMT_GENERIC_INDEX, AVFMT_TS_DISCONT, AVFMT_NOBINSEARCH, AVFMT_NOGENSEARCH, AVFMT_NO_BYTE_SEEK, AVFMT_SEEK_TO_PTS.
Definition: avformat.h:661
enum AVCodecID av_codec_get_id(const struct AVCodecTag *const *tags, unsigned int tag)
Get the AVCodecID for the given codec tag tag.
miscellaneous OS support macros and functions.
timestamp utils, mostly useful for debugging/logging purposes
int avformat_transfer_internal_stream_timing_info(const AVOutputFormat *ofmt, AVStream *ost, const AVStream *ist, enum AVTimebaseSource copy_tb)
Transfer internal timing information from one stream to another.
Definition: utils.c:5756
int stdin_interaction
Definition: ffmpeg_opt.c:107
FILE * logfile
Definition: ffmpeg.h:500
#define f(width, name)
Definition: cbs_vp9.c:255
AVDictionary * opts
Definition: ffmpeg.h:556
static av_cold int end(AVCodecContext *avctx)
Definition: avrndec.c:90
#define media_type_string
Definition: cmdutils.h:620
int64_t duration
Duration of this packet in AVStream->time_base units, 0 if unknown.
Definition: avcodec.h:1463
This side data contains a 3x3 transformation matrix describing an affine transformation that needs to...
Definition: avcodec.h:1220
int av_thread_message_queue_send(AVThreadMessageQueue *mq, void *msg, unsigned flags)
Send a message on the queue.
#define ECHO(name, type, min, max)
Definition: af_aecho.c:186
#define FF_API_DEBUG_MV
Definition: version.h:58
static int need_output(void)
Definition: ffmpeg.c:3840
int av_frame_ref(AVFrame *dst, const AVFrame *src)
Set up a new reference to the data described by the source frame.
Definition: frame.c:443
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:319
enum AVPixelFormat pix_fmt
A hardware pixel format which the codec can use.
Definition: avcodec.h:3402
int av_fifo_space(const AVFifoBuffer *f)
Return the amount of space in bytes in the AVFifoBuffer, that is the amount of data you can write int...
Definition: fifo.c:82
int nb_side_data
The number of elements in the AVStream.side_data array.
Definition: avformat.h:980
static double psnr(double d)
Definition: ffmpeg.c:1358
int do_benchmark
Definition: ffmpeg_opt.c:95
int audio_sync_method
Definition: ffmpeg_opt.c:91
#define u(width, name, range_min, range_max)
Definition: cbs_h2645.c:253
int shortest
Definition: ffmpeg.h:562
AVStream ** streams
A list of all streams in the file.
Definition: avformat.h:1419
int64_t duration
Definition: movenc.c:63
int avcodec_parameters_to_context(AVCodecContext *codec, const AVCodecParameters *par)
Fill the codec context based on the values from the supplied codec parameters.
Definition: utils.c:2088
int av_codec_get_tag2(const struct AVCodecTag *const *tags, enum AVCodecID id, unsigned int *tag)
Get the codec tag for the given codec id.
static AVFrame * frame
static void ifilter_parameters_from_codecpar(InputFilter *ifilter, AVCodecParameters *par)
Definition: ffmpeg.c:1849
void av_pkt_dump_log2(void *avcl, int level, const AVPacket *pkt, int dump_payload, const AVStream *st)
Send a nice dump of a packet to the log.
Definition: dump.c:113
AVRational av_buffersink_get_frame_rate(const AVFilterContext *ctx)
const char * name
Definition: avcodec.h:5753
AVDictionaryEntry * av_dict_get(const AVDictionary *m, const char *key, const AVDictionaryEntry *prev, int flags)
Get a dictionary entry with matching key.
Definition: dict.c:40
static void finish(void)
Definition: movenc.c:345
#define AV_DISPOSITION_DEPENDENT
dependent audio stream (mix_type=0 in mpegts)
Definition: avformat.h:857
int nb_streams
Definition: ffmpeg.h:409
uint8_t * data
Definition: avcodec.h:1445
static double av_q2d(AVRational a)
Convert an AVRational to a double.
Definition: rational.h:104
enum AVMediaType type
Definition: ffmpeg.h:240
static void set_tty_echo(int on)
Definition: ffmpeg.c:3895
AVDictionary * resample_opts
Definition: ffmpeg.h:510
void av_packet_move_ref(AVPacket *dst, AVPacket *src)
Move every field in src to dst and reset src.
Definition: avpacket.c:653
static void parse_forced_key_frames(char *kf, OutputStream *ost, AVCodecContext *avctx)
Definition: ffmpeg.c:3212
list ifile
Definition: normalize.py:6
#define FFMIN3(a, b, c)
Definition: common.h:97
AVFilterContext * filter
Definition: ffmpeg.h:260
static int seek_to_start(InputFile *ifile, AVFormatContext *is)
Definition: ffmpeg.c:4193
int avformat_network_init(void)
Do global initialization of network libraries.
Definition: utils.c:4993
char av_get_picture_type_char(enum AVPictureType pict_type)
Return a single letter to describe the given picture type pict_type.
Definition: utils.c:88
int * formats
Definition: ffmpeg.h:277
#define ff_dlog(a,...)
int nb_input_files
Definition: ffmpeg.c:150
#define AVERROR_EOF
End of file.
Definition: error.h:55
static int read_key(void)
Definition: ffmpeg.c:425
static int reap_filters(int flush)
Get and encode new output from any of the filtergraphs, without causing activity. ...
Definition: ffmpeg.c:1427
#define AV_LOG_VERBOSE
Detailed information.
Definition: log.h:192
#define lrintf(x)
Definition: libm_mips.h:70
static volatile int ffmpeg_exited
Definition: ffmpeg.c:337
int av_sdp_create(AVFormatContext *ac[], int n_files, char *buf, int size)
Generate an SDP for an RTP session.
Definition: sdp.c:841
static void do_video_stats(OutputStream *ost, int frame_size)
Definition: ffmpeg.c:1363
uint8_t * data
Definition: avcodec.h:1389
int interlaced_frame
The content of the picture is interlaced.
Definition: frame.h:373
void parse_loglevel(int argc, char **argv, const OptionDef *options)
Find the '-loglevel' option in the command line args and apply it.
Definition: cmdutils.c:506
ptrdiff_t size
Definition: opengl_enc.c:101
int h
height of pict, undefined when pict is not set
Definition: avcodec.h:3845
static av_always_inline int64_t avio_tell(AVIOContext *s)
ftell() equivalent for AVIOContext.
Definition: avio.h:557
int av_reduce(int *dst_num, int *dst_den, int64_t num, int64_t den, int64_t max)
Reduce a fraction.
Definition: rational.c:35
AVCodec * dec
Definition: ffmpeg.h:305
AVBufferRef * av_buffersink_get_hw_frames_ctx(const AVFilterContext *ctx)
enum AVDiscard discard
selects which program to discard and which to feed to the caller
Definition: avformat.h:1271
char * stats_out
pass1 encoding statistics output buffer
Definition: avcodec.h:2548
void avio_write(AVIOContext *s, const unsigned char *buf, int size)
Definition: aviobuf.c:218
int top_field_first
Definition: ffmpeg.h:334
#define AVFMT_FLAG_BITEXACT
When muxing, try to avoid writing any random/volatile data to the output.
Definition: avformat.h:1499
int nb_output_streams
Definition: ffmpeg.c:153
int file_index
Definition: ffmpeg.h:296
void * av_realloc_array(void *ptr, size_t nmemb, size_t size)
Definition: mem.c:198
enum AVChromaLocation chroma_sample_location
This defines the location of chroma samples.
Definition: avcodec.h:2171
unsigned int * stream_index
Definition: avformat.h:1272
int av_buffersink_get_h(const AVFilterContext *ctx)
struct InputStream::sub2video sub2video
int av_buffersink_get_format(const AVFilterContext *ctx)
The codec supports this format via the hw_device_ctx interface.
Definition: avcodec.h:3370
int wrap_correction_done
Definition: ffmpeg.h:317
int64_t filter_in_rescale_delta_last
Definition: ffmpeg.h:319
uint64_t channel_layout
Audio only.
Definition: avcodec.h:4002
#define av_log(a,...)
static void sub2video_heartbeat(InputStream *ist, int64_t pts)
Definition: ffmpeg.c:274
#define AV_DISPOSITION_CAPTIONS
To specify text track kind (different from subtitles default).
Definition: avformat.h:854
#define AV_BUFFERSINK_FLAG_NO_REQUEST
Tell av_buffersink_get_buffer_ref() not to request a frame from its input.
Definition: buffersink.h:60
struct AVOutputFormat * oformat
The output container format.
Definition: avformat.h:1370
int64_t next_dts
Definition: ffmpeg.h:312
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
Definition: avcodec.h:1477
attribute_deprecated int av_copy_packet_side_data(AVPacket *dst, const AVPacket *src)
Copy packet side data.
Definition: avpacket.c:226
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq)
Rescale a 64-bit integer by 2 rational numbers.
Definition: mathematics.c:142
void av_dump_format(AVFormatContext *ic, int index, const char *url, int is_output)
Print detailed information about the input or output format, such as duration, bitrate, streams, container, programs, metadata, side data, codec and time base.
Definition: dump.c:563
AVFifoBuffer * sub_queue
queue of AVSubtitle* before filter init
Definition: ffmpeg.h:349
Main libavdevice API header.
Callback for checking whether to abort blocking functions.
Definition: avio.h:58
int avcodec_close(AVCodecContext *avctx)
Close a given AVCodecContext and free all the data associated with it (but not the AVCodecContext its...
Definition: utils.c:1069
AVRational pkt_timebase
Timebase in which pkt_dts/pts and AVPacket.dts/pts are.
Definition: avcodec.h:3070
static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output, int *decode_failed)
Definition: ffmpeg.c:2481
AVRational av_stream_get_codec_timebase(const AVStream *st)
Get the internal codec timebase from a stream.
Definition: utils.c:5818
libswresample public header
enum AVCodecID id
Definition: avcodec.h:3438
AVRational sample_aspect_ratio
Definition: ffmpeg.h:248
const AVCodecDefault * defaults
Private codec-specific defaults.
Definition: avcodec.h:3497
int rate_emu
Definition: ffmpeg.h:412
int avcodec_parameters_copy(AVCodecParameters *dst, const AVCodecParameters *src)
Copy the contents of src to dst.
Definition: utils.c:2013
int width
Definition: frame.h:284
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
#define AV_DICT_MATCH_CASE
Only get an entry with exact-case key match.
Definition: dict.h:69
int has_b_frames
Size of the frame reordering buffer in the decoder.
Definition: avcodec.h:1823
int sample_rate
Definition: ffmpeg.h:250
static void finish_output_stream(OutputStream *ost)
Definition: ffmpeg.c:1408
static void reset_eagain(void)
Definition: ffmpeg.c:4164
static AVBufferRef * hw_device_ctx
Definition: hw_decode.c:45
enum AVPixelFormat hwaccel_pix_fmt
Definition: ffmpeg.h:374
void av_packet_rescale_ts(AVPacket *pkt, AVRational tb_src, AVRational tb_dst)
Convert valid timing fields (timestamps / durations) in a packet from one timebase to another...
Definition: avpacket.c:700
int ffmpeg_parse_options(int argc, char **argv)
Definition: ffmpeg_opt.c:3248
FilterGraph ** filtergraphs
Definition: ffmpeg.c:157
const AVIOInterruptCB int_cb
Definition: ffmpeg.c:481
AVFilterContext * filter
Definition: ffmpeg.h:236
void(* hwaccel_uninit)(AVCodecContext *s)
Definition: ffmpeg.h:371
#define AVFMT_TS_DISCONT
Format allows timestamp discontinuities.
Definition: avformat.h:471
#define atomic_load(object)
Definition: stdatomic.h:93
int64_t start
Definition: ffmpeg.h:309
int loop
Definition: ffmpeg.h:398
int y
top left corner of pict, undefined when pict is not set
Definition: avcodec.h:3843
uint64_t nb_packets
Definition: ffmpeg.h:382
static BenchmarkTimeStamps current_time
Definition: ffmpeg.c:142
#define AVERROR(e)
Definition: error.h:43
int64_t last_mux_dts
Definition: ffmpeg.h:457
int video_sync_method
Definition: ffmpeg_opt.c:92
int format
Definition: ffmpeg.h:245
int av_opt_eval_flags(void *obj, const AVOption *o, const char *val, int *flags_out)
uint8_t * av_packet_get_side_data(const AVPacket *pkt, enum AVPacketSideDataType type, int *size)
Get side information from packet.
Definition: avpacket.c:350
static int64_t decode_error_stat[2]
Definition: ffmpeg.c:138
#define VSYNC_VSCFR
Definition: ffmpeg.h:53
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:202
char * sdp_filename
Definition: ffmpeg_opt.c:84
#define av_ts2timestr(ts, tb)
Convenience macro, the return value should be used only directly in function arguments but never stan...
Definition: timestamp.h:76
#define FALSE
Definition: windows2linux.h:37
int last_nb0_frames[3]
Definition: ffmpeg.h:472
Display matrix.
int methods
Bit set of AV_CODEC_HW_CONFIG_METHOD_* flags, describing the possible setup methods which can be used...
Definition: avcodec.h:3407
void av_bprint_init(AVBPrint *buf, unsigned size_init, unsigned size_max)
Definition: bprint.c:69
char * url
input or output URL.
Definition: avformat.h:1447
int video_delay
Video only.
Definition: avcodec.h:3995
int avcodec_receive_frame(AVCodecContext *avctx, AVFrame *frame)
Return decoded output data from a decoder.
Definition: decode.c:740
const char * r
Definition: vf_curves.c:114
const char *const forced_keyframes_const_names[]
Definition: ffmpeg.c:114
int capabilities
Codec capabilities.
Definition: avcodec.h:3443
struct AVCodecParserContext * av_stream_get_parser(const AVStream *s)
Definition: utils.c:149
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
Definition: log.h:197
int av_fifo_generic_read(AVFifoBuffer *f, void *dest, int buf_size, void(*func)(void *, void *, int))
Feed data from an AVFifoBuffer to a user-supplied callback.
Definition: fifo.c:213
int av_buffersrc_close(AVFilterContext *ctx, int64_t pts, unsigned flags)
Close the buffer source after EOF.
Definition: buffersrc.c:263
unsigned int nb_programs
Definition: avformat.h:1530
void av_dict_free(AVDictionary **pm)
Free all the memory allocated for an AVDictionary struct and all keys and values. ...
Definition: dict.c:203
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: avcodec.h:559
enum AVMediaType codec_type
General type of the encoded data.
Definition: avcodec.h:3896
AVBufferRef * buf
A reference to the reference-counted buffer where the packet data is stored.
Definition: avcodec.h:1428
const char * arg
Definition: jacosubdec.c:66
int flags
AV_CODEC_FLAG_*.
Definition: avcodec.h:1613
int av_opt_set_int(void *obj, const char *name, int64_t val, int search_flags)
Definition: opt.c:568
AVChapter ** chapters
Definition: avformat.h:1581
#define AV_LOG_SKIP_REPEATED
Skip repeated messages, this requires the user app to use av_log() instead of (f)printf as the 2 woul...
Definition: log.h:345
Round to nearest and halfway cases away from zero.
Definition: mathematics.h:84
AVRational time_base_in
The timebase used for the timestamps of the input packets.
Definition: avcodec.h:5743
#define AV_PIX_FMT_FLAG_HWACCEL
Pixel format is an HW accelerated format.
Definition: pixdesc.h:140
simple assert() macros that are a bit more flexible than ISO C assert().
enum AVPacketSideDataType type
Definition: avcodec.h:1391
int av_log_get_level(void)
Get the current log level.
Definition: log.c:380
const char * name
Name of the codec implementation.
Definition: avcodec.h:3431
static int check_recording_time(OutputStream *ost)
Definition: ffmpeg.c:897
int(* init)(AVCodecContext *s)
Definition: ffmpeg.h:69
void remove_avoptions(AVDictionary **a, AVDictionary *b)
Definition: ffmpeg.c:636
int eof
Definition: ffmpeg.h:256
int force_fps
Definition: ffmpeg.h:479
int hw_device_setup_for_encode(OutputStream *ost)
Definition: ffmpeg_hw.c:414
AVRational avg_frame_rate
Average framerate.
Definition: avformat.h:947
New fields can be added to the end with minor version bumps.
Definition: avformat.h:1268
#define FFMAX(a, b)
Definition: common.h:94
int attribute_align_arg av_buffersink_get_frame_flags(AVFilterContext *ctx, AVFrame *frame, int flags)
Get a frame with filtered data from sink and put it in frame.
Definition: buffersink.c:119
void avcodec_parameters_free(AVCodecParameters **par)
Free an AVCodecParameters instance and everything associated with it and write NULL to the supplied p...
Definition: utils.c:2002
int qp_hist
Definition: ffmpeg_opt.c:106
size_t av_strlcpy(char *dst, const char *src, size_t size)
Copy the string src to dst, but no more than size - 1 bytes, and null-terminate dst.
Definition: avstring.c:83
#define fail()
Definition: checkasm.h:117
float frame_drop_threshold
Definition: ffmpeg_opt.c:93
#define AV_CODEC_CAP_VARIABLE_FRAME_SIZE
Audio encoder supports receiving a different number of samples in each call.
Definition: avcodec.h:1040
int64_t error[4]
Definition: ffmpeg.h:551
int flags
A combination of AV_PKT_FLAG values.
Definition: avcodec.h:1451
const AVCodecDescriptor * avcodec_descriptor_get(enum AVCodecID id)
Definition: codec_desc.c:3199
uint64_t channel_layout
Audio channel layout.
Definition: avcodec.h:2240
int av_compare_ts(int64_t ts_a, AVRational tb_a, int64_t ts_b, AVRational tb_b)
Compare two timestamps each in its own time base.
Definition: mathematics.c:147
uint32_t end_display_time
Definition: avcodec.h:3879
static int want_sdp
Definition: ffmpeg.c:140
int64_t pts
Same as packet pts, in AV_TIME_BASE.
Definition: avcodec.h:3882
OutputFilter * filter
Definition: ffmpeg.h:502
static void check_decode_result(InputStream *ist, int *got_output, int ret)
Definition: ffmpeg.c:2105
uint64_t channel_layout
Channel layout of the audio data.
Definition: frame.h:404
int props
Codec properties, a combination of AV_CODEC_PROP_* flags.
Definition: avcodec.h:724
AVRational frame_aspect_ratio
Definition: ffmpeg.h:484
#define AV_DISPOSITION_LYRICS
Definition: avformat.h:823
static int ifilter_send_eof(InputFilter *ifilter, int64_t pts)
Definition: ffmpeg.c:2208
const AVOption * av_opt_find(void *obj, const char *name, const char *unit, int opt_flags, int search_flags)
Look for an option in an object.
Definition: opt.c:1608
#define FFDIFFSIGN(x, y)
Comparator.
Definition: common.h:92
#define AV_DISPOSITION_FORCED
Track should be used during playback by default.
Definition: avformat.h:831
common internal API header
uint64_t flags
Combination of AV_PIX_FMT_FLAG_...
Definition: pixdesc.h:106
AVRational mux_timebase
Definition: ffmpeg.h:459
unsigned int nb_streams
Number of elements in AVFormatContext.streams.
Definition: avformat.h:1407
AVDictionary * opts
Definition: movenc.c:50
static int nb_frames_drop
Definition: ffmpeg.c:137
A bitmap, pict will be set.
Definition: avcodec.h:3824
int linesize[4]
Definition: avcodec.h:3860
int nb_output_files
Definition: ffmpeg.c:155
int seekable
A combination of AVIO_SEEKABLE_ flags or 0 when the stream is not seekable.
Definition: avio.h:260
int void avio_flush(AVIOContext *s)
Force flushing of buffered data.
Definition: aviobuf.c:238
int channels
number of audio channels, only used for audio.
Definition: frame.h:531
audio channel layout utility functions
int is_cfr
Definition: ffmpeg.h:478
enum AVPictureType pict_type
Picture type of the frame.
Definition: frame.h:309
static int transcode(void)
Definition: ffmpeg.c:4653
#define AV_CODEC_FLAG_BITEXACT
Use only bitexact stuff (except (I)DCT).
Definition: avcodec.h:895
int flags
Frame flags, a combination of AV_FRAME_FLAGS.
Definition: frame.h:464
#define av_assert1(cond)
assert() equivalent, that does not lie in speed critical code.
Definition: avassert.h:53
int64_t av_rescale(int64_t a, int64_t b, int64_t c)
Rescale a 64-bit integer with rounding to nearest.
Definition: mathematics.c:129
#define NAN
Definition: mathematics.h:64
#define AV_TIME_BASE
Internal time base represented as integer.
Definition: avutil.h:254
av_warn_unused_result int avformat_write_header(AVFormatContext *s, AVDictionary **options)
Allocate the stream private data and write the stream header to an output media file.
Definition: mux.c:508
#define FFMIN(a, b)
Definition: common.h:96
AVPacketSideData * coded_side_data
Additional data associated with the entire coded stream.
Definition: avcodec.h:3188
uint64_t * channel_layouts
Definition: ffmpeg.h:278
#define VSYNC_AUTO
Definition: ffmpeg.h:49
void av_log_set_callback(void(*callback)(void *, int, const char *, va_list))
Set the logging callback.
Definition: log.c:400
attribute_deprecated int avcodec_copy_context(AVCodecContext *dest, const AVCodecContext *src)
Copy the settings of the source AVCodecContext into the destination AVCodecContext.
Definition: options.c:215
int saw_first_ts
Definition: ffmpeg.h:331
int abort_on_flags
Definition: ffmpeg_opt.c:104
This side data contains quality related information from the encoder.
Definition: avcodec.h:1244
#define AV_DICT_DONT_STRDUP_VAL
Take ownership of a value that's been allocated with av_malloc() or another memory allocation functio...
Definition: dict.h:76
#define FFSIGN(a)
Definition: common.h:73
struct OutputStream * ost
Definition: ffmpeg.h:261
int width
picture width / height.
Definition: avcodec.h:1706
PVOID HANDLE
uint8_t w
Definition: llviddspenc.c:38
char * apad
Definition: ffmpeg.h:511
AVBufferRef * hw_frames_ctx
A reference to the AVHWFramesContext describing the input (for encoding) or output (decoding) frames...
Definition: avcodec.h:3213
int64_t nb_samples
Definition: ffmpeg.h:328
AVRational time_base_out
The timebase used for the timestamps of the output packets.
Definition: avcodec.h:5749
int hw_device_setup_for_decode(InputStream *ist)
Definition: ffmpeg_hw.c:298
double forced_keyframes_expr_const_values[FKF_NB]
Definition: ffmpeg.h:493
int av_packet_make_refcounted(AVPacket *pkt)
Ensure the data described by a given packet is reference counted.
Definition: avpacket.c:661
int av_bsf_send_packet(AVBSFContext *ctx, AVPacket *pkt)
Submit a packet for filtering.
Definition: bsf.c:185
int64_t duration
Definition: ffmpeg.h:399
#define AV_FRAME_FLAG_CORRUPT
The frame data may be corrupted, e.g.
Definition: frame.h:452
const char * name
Definition: avformat.h:507
int width
Definition: ffmpeg.h:247
int32_t
#define av_err2str(errnum)
Convenience macro, the return value should be used only directly in function arguments but never stan...
Definition: error.h:119
AVFormatContext * ctx
Definition: movenc.c:48
#define AV_CODEC_FLAG_PSNR
error[?] variables will be set during encoding.
Definition: avcodec.h:874
int ifilter_parameters_from_frame(InputFilter *ifilter, const AVFrame *frame)
#define AV_CODEC_FLAG_PASS1
Use internal 2pass ratecontrol in first pass mode.
Definition: avcodec.h:858
static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output, int *decode_failed)
Definition: ffmpeg.c:2284
int nb_filtergraphs
Definition: ffmpeg.c:158
static av_always_inline int pthread_join(pthread_t thread, void **value_ptr)
Definition: os2threads.h:90
int64_t last_ts
Definition: ffmpeg.h:405
#define TRUE
Definition: windows2linux.h:33
#define FFABS(a)
Absolute value, Note, INT_MIN / INT64_MIN result in undefined behavior as they are not representable ...
Definition: common.h:72
#define s(width, name)
Definition: cbs_vp9.c:257
int quality
quality (between 1 (good) and FF_LAMBDA_MAX (bad))
Definition: frame.h:349
int do_pkt_dump
Definition: ffmpeg_opt.c:98
int64_t max_frames
Definition: ffmpeg.h:468
int(* hwaccel_retrieve_data)(AVCodecContext *s, AVFrame *frame)
Definition: ffmpeg.h:373
static void term_exit_sigsafe(void)
Definition: ffmpeg.c:320
int audio_channels_mapped
Definition: ffmpeg.h:497
int n
Definition: avisynth_c.h:684
AVDictionary * metadata
Definition: avformat.h:938
uint8_t * av_stream_new_side_data(AVStream *stream, enum AVPacketSideDataType type, int size)
Allocate new information from stream.
Definition: utils.c:5527
int ticks_per_frame
For some codecs, the time base is closer to the field rate than the frame rate.
Definition: avcodec.h:1665
#define AVFILTER_CMD_FLAG_ONE
Stop once a filter understood the command (for target=all for example), fast filters are favored auto...
Definition: avfilter.h:691
static uint32_t codec_flags(enum AVCodecID codec_id)
Definition: cafenc.c:37
const char program_name[]
program name, defined by the program for show_version().
Definition: ffmpeg.c:109
#define AVERROR_EXIT
Immediate exit was requested; the called function should not be restarted.
Definition: error.h:56
uint8_t * data[4]
data+linesize for the bitmap of this subtitle.
Definition: avcodec.h:3859
static int got_eagain(void)
Definition: ffmpeg.c:4155
int inputs_done
Definition: ffmpeg.h:521
static void error(const char *err)
int vstats_version
Definition: ffmpeg_opt.c:112
AVFrame * av_frame_clone(const AVFrame *src)
Create a new frame that references the same data as src.
Definition: frame.c:540
#define AVERROR_EXPERIMENTAL
Requested feature is flagged experimental. Set strict_std_compliance if you really want to use it...
Definition: error.h:72
#define FF_ARRAY_ELEMS(a)
#define AV_DISPOSITION_ATTACHED_PIC
The stream is stored in the file as an attached picture/"cover art" (e.g.
Definition: avformat.h:842
const char * avcodec_get_name(enum AVCodecID id)
Get the name of a codec.
Definition: utils.c:1135
void exit_program(int ret)
Wraps exit with a program-specific cleanup routine.
Definition: cmdutils.c:136
AVCodecContext * enc
Definition: muxing.c:55
#define AV_DISPOSITION_VISUAL_IMPAIRED
stream for visual impaired audiences
Definition: avformat.h:833
int ret
Definition: ffmpeg.h:342
int audio_volume
Definition: ffmpeg_opt.c:90
int64_t sys_usec
Definition: ffmpeg.c:126
void av_get_channel_layout_string(char *buf, int buf_size, int nb_channels, uint64_t channel_layout)
Return a description of a channel layout.
Stream structure.
Definition: avformat.h:874
void avcodec_flush_buffers(AVCodecContext *avctx)
Reset the internal decoder state / flush internal buffers.
Definition: decode.c:1981
#define AVERROR_PATCHWELCOME
Not yet implemented in FFmpeg, patches welcome.
Definition: error.h:62
#define AVFMT_NOTIMESTAMPS
Format does not need / have any timestamps.
Definition: avformat.h:469
int format
format of the frame, -1 if unknown or unset Values correspond to enum AVPixelFormat for video frames...
Definition: frame.h:299
InputFilter ** filters
Definition: ffmpeg.h:358
int fix_sub_duration
Definition: ffmpeg.h:339
static BenchmarkTimeStamps get_benchmark_time_stamps(void)
Definition: ffmpeg.c:4794
int avcodec_send_packet(AVCodecContext *avctx, const AVPacket *avpkt)
Supply raw packet data as input to a decoder.
Definition: decode.c:677
#define VSYNC_DROP
Definition: ffmpeg.h:54
static int ifilter_has_all_input_formats(FilterGraph *fg)
Definition: ffmpeg.c:2124
int64_t recording_time
Definition: ffmpeg.h:408
int avformat_network_deinit(void)
Undo the initialization done by avformat_network_init.
Definition: utils.c:5005
Definition: ffmpeg.h:67
int frame_size
Number of samples per channel in an audio frame.
Definition: avcodec.h:2209
static av_always_inline int pthread_create(pthread_t *thread, const pthread_attr_t *attr, void *(*start_routine)(void *), void *arg)
Definition: os2threads.h:76
static int check_init_output_file(OutputFile *of, int file_index)
Definition: ffmpeg.c:2975
#define AV_DISPOSITION_DEFAULT
Definition: avformat.h:819
AVStream * st
Definition: ffmpeg.h:297
static int sub2video_get_blank_frame(InputStream *ist)
Definition: ffmpeg.c:176
sample_rate
static void set_encoder_id(OutputFile *of, OutputStream *ost)
Definition: ffmpeg.c:3171
#define AV_LOG_INFO
Standard information.
Definition: log.h:187
AVRational av_buffersink_get_sample_aspect_ratio(const AVFilterContext *ctx)
int frame_size
Definition: mxfenc.c:2092
enum AVHWDeviceType hwaccel_device_type
Definition: ffmpeg.h:365
#define AV_DISPOSITION_DESCRIPTIONS
Definition: avformat.h:855
int ost_index
Definition: ffmpeg.h:557
struct InputStream * sync_ist
Definition: ffmpeg.h:451
#define AV_BPRINT_SIZE_AUTOMATIC
int avcodec_default_get_buffer2(AVCodecContext *s, AVFrame *frame, int flags)
The default callback for AVCodecContext.get_buffer2().
Definition: decode.c:1656
enum AVMediaType codec_type
Definition: avcodec.h:1541
double ts_scale
Definition: ffmpeg.h:330
int unavailable
Definition: ffmpeg.h:513
int64_t pkt_duration
duration of the corresponding packet, expressed in AVStream->time_base units, 0 if unknown...
Definition: frame.h:506
void av_thread_message_queue_set_err_send(AVThreadMessageQueue *mq, int err)
Set the sending error code.
void avcodec_free_context(AVCodecContext **avctx)
Free the codec context and everything associated with it and write NULL to the provided pointer...
Definition: options.c:171
static int init_input_stream(int ist_index, char *error, int error_len)
Definition: ffmpeg.c:2897
enum AVCodecID codec_id
Definition: avcodec.h:1543
void av_expr_free(AVExpr *e)
Free a parsed expression previously created with av_expr_parse().
Definition: eval.c:334
int av_fifo_size(const AVFifoBuffer *f)
Return the amount of data in bytes in the AVFifoBuffer, that is the amount of data you can read from ...
Definition: fifo.c:77
#define AV_TIME_BASE_Q
Internal time base represented as fractional value.
Definition: avutil.h:260
int av_opt_set_dict(void *obj, AVDictionary **options)
Set all the options from a given dictionary on an object.
Definition: opt.c:1603
static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h, AVSubtitleRect *r)
Definition: ffmpeg.c:191
float max_error_rate
Definition: ffmpeg_opt.c:109
int sample_rate
samples per second
Definition: avcodec.h:2189
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:257
uint64_t frames_encoded
Definition: ffmpeg.h:536
AVIOContext * pb
I/O context.
Definition: avformat.h:1393
int64_t av_rescale_delta(AVRational in_tb, int64_t in_ts, AVRational fs_tb, int duration, int64_t *last, AVRational out_tb)
Rescale a timestamp while preserving known durations.
Definition: mathematics.c:168
int av_fifo_realloc2(AVFifoBuffer *f, unsigned int new_size)
Resize an AVFifoBuffer.
Definition: fifo.c:87
AVFifoBuffer * muxing_queue
Definition: ffmpeg.h:545
int ist_index
Definition: ffmpeg.h:397
const struct AVCodecTag *const * codec_tag
List of supported codec_id-codec_tag pairs, ordered by "better choice first".
Definition: avformat.h:532
static int loop
Definition: ffplay.c:339
int debug
debug
Definition: avcodec.h:2614
static AVRational av_make_q(int num, int den)
Create an AVRational.
Definition: rational.h:71
static void print_sdp(void)
Definition: ffmpeg.c:2756
const char * graph_desc
Definition: ffmpeg.h:284
int guess_layout_max
Definition: ffmpeg.h:335
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
uint64_t av_buffersink_get_channel_layout(const AVFilterContext *ctx)
int64_t start_time
Definition: ffmpeg.h:406
const AVCodecHWConfig * avcodec_get_hw_config(const AVCodec *codec, int index)
Retrieve supported hardware configurations for a codec.
Definition: utils.c:1757
main external API structure.
Definition: avcodec.h:1533
void av_packet_unref(AVPacket *pkt)
Wipe the packet.
Definition: avpacket.c:598
int64_t user_usec
Definition: ffmpeg.c:125
#define AV_PIX_FMT_RGB32
Definition: pixfmt.h:352
uint8_t * data
The data buffer.
Definition: buffer.h:89
static void ffmpeg_cleanup(int ret)
Definition: ffmpeg.c:483
static int command(AVFilterContext *ctx, const char *cmd, const char *arg, char *res, int res_len, int flags)
Definition: vf_drawtext.c:863
int * sample_rates
Definition: ffmpeg.h:279
void avsubtitle_free(AVSubtitle *sub)
Free all allocated data in the given subtitle struct.
Definition: utils.c:1050
AVRational sample_aspect_ratio
Sample aspect ratio for the video frame, 0/1 if unknown/unspecified.
Definition: frame.h:314
const char * attachment_filename
Definition: ffmpeg.h:523
static int check_output_constraints(InputStream *ist, OutputStream *ost)
Definition: ffmpeg.c:1981
int avfilter_graph_request_oldest(AVFilterGraph *graph)
Request a frame on the oldest sink link.
a very simple circular buffer FIFO implementation
int avcodec_send_frame(AVCodecContext *avctx, const AVFrame *frame)
Supply a raw video or audio frame to the encoder.
Definition: encode.c:387
AVRational time_base
Definition: ffmpeg.h:401
#define AV_CODEC_PROP_BITMAP_SUB
Subtitle codec is bitmap based Decoded AVSubtitle data can be read from the AVSubtitleRect->pict fiel...
Definition: avcodec.h:767
void assert_avoptions(AVDictionary *m)
Definition: ffmpeg.c:645
AVCodecContext * enc_ctx
Definition: ffmpeg.h:465
void * buf
Definition: avisynth_c.h:690
AVFrame * decoded_frame
Definition: ffmpeg.h:306
GLint GLenum type
Definition: opengl_enc.c:105
int extradata_size
Definition: avcodec.h:1635
Perform non-blocking operation.
Definition: threadmessage.h:31
AVBufferRef * hw_frames_ctx
Definition: ffmpeg.h:254
int av_dict_set(AVDictionary **pm, const char *key, const char *value, int flags)
Set the given entry in *pm, overwriting an existing entry.
Definition: dict.c:70
Replacements for frequently missing libm functions.
static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
Perform a step of transcoding for the specified filter graph.
Definition: ffmpeg.c:4532
int nb_coded_side_data
Definition: avcodec.h:3189
int channels
Definition: ffmpeg.h:251
int * audio_channels_map
Definition: ffmpeg.h:496
#define VSYNC_PASSTHROUGH
Definition: ffmpeg.h:50
Describe the class of an AVClass context structure.
Definition: log.h:67
int sample_rate
Sample rate of the audio data.
Definition: frame.h:399
int configure_filtergraph(FilterGraph *fg)
enum AVPixelFormat(* get_format)(struct AVCodecContext *s, const enum AVPixelFormat *fmt)
callback to negotiate the pixelFormat
Definition: avcodec.h:1785
OutputStream ** output_streams
Definition: ffmpeg.c:152
const char * av_hwdevice_get_type_name(enum AVHWDeviceType type)
Get the string name of an AVHWDeviceType.
Definition: hwcontext.c:88
int index
Definition: gxfenc.c:89
enum AVMediaType av_buffersink_get_type(const AVFilterContext *ctx)
int av_find_nearest_q_idx(AVRational q, const AVRational *q_list)
Find the value in a list of rationals nearest a given reference rational.
Definition: rational.c:142
#define FF_DEBUG_DCT_COEFF
Definition: avcodec.h:2626
Rational number (pair of numerator and denominator).
Definition: rational.h:58
int file_index
Definition: ffmpeg.h:443
int av_thread_message_queue_alloc(AVThreadMessageQueue **mq, unsigned nelem, unsigned elsize)
Allocate a new message queue.
Definition: threadmessage.c:40
#define ABORT_ON_FLAG_EMPTY_OUTPUT
Definition: ffmpeg.h:433
int avcodec_parameters_from_context(AVCodecParameters *par, const AVCodecContext *codec)
Fill the parameters struct based on the values from the supplied codec context.
Definition: utils.c:2031
int64_t sync_opts
Definition: ffmpeg.h:452
char * vstats_filename
Definition: ffmpeg_opt.c:83
int64_t parse_time_or_die(const char *context, const char *timestr, int is_duration)
Parse a string specifying a time and return its corresponding value as a number of microseconds...
Definition: cmdutils.c:165
AVCodecContext * dec_ctx
Definition: ffmpeg.h:304
char * disposition
Definition: ffmpeg.h:526
This struct describes a set or pool of "hardware" frames (i.e.
Definition: hwcontext.h:123
int filtergraph_is_simple(FilterGraph *fg)
struct InputStream::@24 prev_sub
#define mid_pred
Definition: mathops.h:97
AVMediaType
Definition: avutil.h:199
discard useless packets like 0 size packets in avi
Definition: avcodec.h:798
int avio_open2(AVIOContext **s, const char *url, int flags, const AVIOInterruptCB *int_cb, AVDictionary **options)
Create and initialize a AVIOContext for accessing the resource indicated by url.
Definition: aviobuf.c:1178
int av_buffersink_get_w(const AVFilterContext *ctx)
int nb_streams_warn
Definition: ffmpeg.h:411
int(* get_buffer2)(struct AVCodecContext *s, AVFrame *frame, int flags)
This callback is called at the beginning of each frame to get data buffer(s) for it.
Definition: avcodec.h:2344
static void init_encoder_time_base(OutputStream *ost, AVRational default_time_base)
Definition: ffmpeg.c:3275
AVDictionary * decoder_opts
Definition: ffmpeg.h:332
int autorotate
Definition: ffmpeg.h:337
const char * name
Name of the codec described by this descriptor.
Definition: avcodec.h:716
int avcodec_open2(AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options)
Initialize the AVCodecContext to use the given AVCodec.
Definition: utils.c:538
#define snprintf
Definition: snprintf.h:34
int64_t best_effort_timestamp
frame timestamp estimated using various heuristics, in stream time base
Definition: frame.h:491
int frame_bits_per_raw_sample
Definition: ffmpeg_opt.c:108
void avformat_free_context(AVFormatContext *s)
Free an AVFormatContext and all its streams.
Definition: utils.c:4389
int64_t ts_offset
Definition: ffmpeg.h:404
uint32_t DWORD
unsigned av_buffersrc_get_nb_failed_requests(AVFilterContext *buffer_src)
Get the number of failed requests.
Definition: buffersrc.c:293
static int transcode_step(void)
Run a single step of transcoding.
Definition: ffmpeg.c:4578
char * filters_script
filtergraph script associated to the -filter_script option
Definition: ffmpeg.h:505
int decode_error_flags
decode error flags of the frame, set to a combination of FF_DECODE_ERROR_xxx flags if the decoder pro...
Definition: frame.h:522
int av_get_audio_frame_duration(AVCodecContext *avctx, int frame_bytes)
Return audio frame duration.
Definition: utils.c:1710
misc parsing utilities
int av_read_frame(AVFormatContext *s, AVPacket *pkt)
Return the next frame of a stream.
Definition: utils.c:1768
static AVRational duration_max(int64_t tmp, int64_t *duration, AVRational tmp_time_base, AVRational time_base)
Definition: ffmpeg.c:4174
size_t av_strlcat(char *dst, const char *src, size_t size)
Append the string src to the string dst, but to a total length of no more than size - 1 bytes...
Definition: avstring.c:93
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:266
This struct describes the properties of a single codec described by an AVCodecID. ...
Definition: avcodec.h:708
AVFrame * filtered_frame
Definition: ffmpeg.h:469
int source_index
Definition: ffmpeg.h:445
int av_frame_get_buffer(AVFrame *frame, int align)
Allocate new buffer(s) for audio or video data.
Definition: frame.c:324
static volatile int received_nb_signals
Definition: ffmpeg.c:335
int copy_prior_start
Definition: ffmpeg.h:525
void av_frame_unref(AVFrame *frame)
Unreference all the buffers referenced by frame and reset the frame fields.
Definition: frame.c:553
int global_quality
Global quality for codecs which cannot change it per frame.
Definition: avcodec.h:1599
static void close_all_output_streams(OutputStream *ost, OSTFinished this_stream, OSTFinished others)
Definition: ffmpeg.c:680
static int64_t pts
int64_t av_gettime_relative(void)
Get the current time in microseconds since some unspecified starting point.
Definition: time.c:56
const char * av_get_media_type_string(enum AVMediaType media_type)
Return a string describing the media_type enum, NULL if media_type is unknown.
Definition: utils.c:76
#define flags(name, subs,...)
Definition: cbs_av1.c:596
void av_thread_message_queue_free(AVThreadMessageQueue **mq)
Free a message queue.
Definition: threadmessage.c:91
int nb_filters
Definition: ffmpeg.h:359
static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
Definition: ffmpeg.c:2801
int64_t start_time
Position of the first frame of the component, in AV_TIME_BASE fractional seconds. ...
Definition: avformat.h:1456
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:240
uint8_t level
Definition: svq3.c:207
AVExpr * forced_keyframes_pexpr
Definition: ffmpeg.h:492
int av_get_bytes_per_sample(enum AVSampleFormat sample_fmt)
Return number of bytes per sample.
Definition: samplefmt.c:106
int64_t real_usec
Definition: ffmpeg.c:124
int64_t dts
dts of the last packet read for this stream (in AV_TIME_BASE units)
Definition: ffmpeg.h:313
int av_seek_frame(AVFormatContext *s, int stream_index, int64_t timestamp, int flags)
Seek to the keyframe at timestamp.
Definition: utils.c:2506
int forced_kf_count
Definition: ffmpeg.h:489
int64_t start
Definition: avformat.h:1311
int64_t duration
Decoding: duration of the stream, in stream time base.
Definition: avformat.h:923
static av_always_inline AVRational av_inv_q(AVRational q)
Invert a rational.
Definition: rational.h:159
OSTFinished finished
Definition: ffmpeg.h:512
char * forced_keyframes
Definition: ffmpeg.h:491
int sample_rate
Audio only.
Definition: avcodec.h:4010
uint64_t data_size
Definition: ffmpeg.h:380
int64_t bitrate
Definition: h264_levels.c:89
void avdevice_register_all(void)
Initialize libavdevice and register all the input and output devices.
Definition: alldevices.c:67
int64_t next_pts
synthetic pts for the next decode frame (in AV_TIME_BASE units)
Definition: ffmpeg.h:315
static AVStream * ost
Main libavformat public API header.
void print_error(const char *filename, int err)
Print an error message to stderr, indicating filename and a human readable description of the error c...
Definition: cmdutils.c:1081
struct FilterGraph * graph
Definition: ffmpeg.h:262
uint64_t limit_filesize
Definition: ffmpeg.h:560
const OptionDef options[]
Definition: ffmpeg_opt.c:3324
static void print_final_stats(int64_t total_size)
Definition: ffmpeg.c:1533
AVIOContext * progress_avio
Definition: ffmpeg.c:143
int main(int argc, char **argv)
Definition: ffmpeg.c:4842
#define AVFMT_NOFILE
Demuxer will use avio_open, no opened file should be provided by the caller.
Definition: avformat.h:465
AVCodecParameters * ref_par
Definition: ffmpeg.h:466
#define VSYNC_CFR
Definition: ffmpeg.h:51
void av_buffersink_set_frame_size(AVFilterContext *ctx, unsigned frame_size)
Set the frame size for an audio buffer sink.
Definition: buffersink.c:175
#define AV_CODEC_CAP_PARAM_CHANGE
Codec supports changed parameters at any point.
Definition: avcodec.h:1032
int64_t start_time
Decoding: pts of the first frame of the stream in presentation order, in stream time base...
Definition: avformat.h:913
static double c[64]
#define AVFMT_NOSTREAMS
Format does not require any streams.
Definition: avformat.h:474
AVStream * st
Definition: muxing.c:54
static AVCodecContext * dec_ctx
int disposition
AV_DISPOSITION_* bit field.
Definition: avformat.h:927
uint32_t start_display_time
Definition: avcodec.h:3878
AVRational av_add_q(AVRational b, AVRational c)
Add two rationals.
Definition: rational.c:93
AVBufferRef * av_buffer_ref(AVBufferRef *buf)
Create a new reference to an AVBuffer.
Definition: buffer.c:93
int pts_wrap_bits
number of bits in pts (used for wrapping control)
Definition: avformat.h:1066
uint64_t samples_encoded
Definition: ffmpeg.h:537
AVRational time_base
time base in which the start/end timestamps are specified
Definition: avformat.h:1310
void av_init_packet(AVPacket *pkt)
Initialize optional fields of a packet with default values.
Definition: avpacket.c:33
int thread_safe_callbacks
Set by the client if its custom get_buffer() callback can be called synchronously from another thread...
Definition: avcodec.h:2814
int64_t nb_frames
number of frames in this stream if known or 0
Definition: avformat.h:925
char * key
Definition: dict.h:86
uint32_t BOOL
static FILE * vstats_file
Definition: ffmpeg.c:112
int den
Denominator.
Definition: rational.h:60
void uninit_opts(void)
Uninitialize the cmdutils option system, in particular free the *_opts contexts and their contents...
Definition: cmdutils.c:90
AVFrame * last_frame
Definition: ffmpeg.h:470
int avfilter_graph_send_command(AVFilterGraph *graph, const char *target, const char *cmd, const char *arg, char *res, int res_len, int flags)
Send a command to one or more filter instances.
int attribute_align_arg av_buffersrc_add_frame_flags(AVFilterContext *ctx, AVFrame *frame, int flags)
Add a frame to the buffer source.
Definition: buffersrc.c:152
uint64_t channel_layout
Definition: ffmpeg.h:252
#define AV_PKT_FLAG_CORRUPT
The packet content is corrupted.
Definition: avcodec.h:1478
int copy_ts
Definition: ffmpeg_opt.c:99
static void do_video_out(OutputFile *of, OutputStream *ost, AVFrame *next_picture, double sync_ipts)
Definition: ffmpeg.c:1053
struct AVInputFormat * iformat
The input container format.
Definition: avformat.h:1363
void avformat_close_input(AVFormatContext **s)
Close an opened input AVFormatContext.
Definition: utils.c:4427
AVFormatContext * ctx
Definition: ffmpeg.h:394
int pict_type
Definition: ffmpeg.h:548
AVSubtitle subtitle
Definition: ffmpeg.h:343
#define AV_CODEC_FLAG_PASS2
Use internal 2pass ratecontrol in second pass mode.
Definition: avcodec.h:862
int eof_reached
Definition: ffmpeg.h:395
Flag telling rescaling functions to pass INT64_MIN/MAX through unchanged, avoiding special cases for ...
Definition: mathematics.h:108
int forced_kf_index
Definition: ffmpeg.h:490
#define AVFMT_VARIABLE_FPS
Format allows variable fps.
Definition: avformat.h:472
char * avfilter
Definition: ffmpeg.h:503
int hwaccel_decode_init(AVCodecContext *avctx)
Definition: ffmpeg_hw.c:472
uint8_t * name
Definition: ffmpeg.h:239
char * value
Definition: dict.h:87
AVFifoBuffer * av_fifo_alloc(unsigned int size)
Initialize an AVFifoBuffer.
Definition: fifo.c:43
Keep a reference to the frame.
Definition: buffersrc.h:53
int top_field_first
If the content is interlaced, is top field displayed first.
Definition: frame.h:378
#define av_ts2str(ts)
Convenience macro, the return value should be used only directly in function arguments but never stan...
Definition: timestamp.h:54
float dts_delta_threshold
Definition: ffmpeg_opt.c:87
double av_expr_eval(AVExpr *e, const double *const_values, void *opaque)
Evaluate a previously parsed expression.
Definition: eval.c:734
int channels
number of audio channels
Definition: avcodec.h:2190
int top_field_first
Definition: ffmpeg.h:480
int av_buffersink_get_channels(const AVFilterContext *ctx)
OutputFilter ** outputs
Definition: ffmpeg.h:291
InputFile ** input_files
Definition: ffmpeg.c:149
static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
Definition: ffmpeg.c:2887
void av_log_set_flags(int arg)
Definition: log.c:390
int key_frame
1 -> keyframe, 0-> not
Definition: frame.h:304
#define FF_QP2LAMBDA
factor to convert from H.263 QP to lambda
Definition: avutil.h:227
static int ifilter_send_frame(InputFilter *ifilter, AVFrame *frame)
Definition: ffmpeg.c:2135
AVFormatContext * ctx
Definition: ffmpeg.h:555
#define lrint
Definition: tablegen.h:53
#define AV_DISPOSITION_COMMENT
Definition: avformat.h:822
void show_usage(void)
Definition: ffmpeg_opt.c:3198
int channels
Audio only.
Definition: avcodec.h:4006
An instance of a filter.
Definition: avfilter.h:338
static void do_audio_out(OutputFile *of, OutputStream *ost, AVFrame *frame)
Definition: ffmpeg.c:910
#define LIBAVCODEC_IDENT
Definition: version.h:42
char * hwaccel_device
Definition: ffmpeg.h:366
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed...
Definition: avcodec.h:1444
AVRational av_mul_q(AVRational b, AVRational c)
Multiply two rationals.
Definition: rational.c:80
AVDictionary * encoder_opts
Definition: ffmpeg.h:507
int64_t av_get_default_channel_layout(int nb_channels)
Return default channel layout for a given number of channels.
int av_write_trailer(AVFormatContext *s)
Write the stream trailer to an output media file and free the file private data.
Definition: mux.c:1247
const int program_birth_year
program birth year, defined by the program for show_banner()
Definition: ffmpeg.c:110
int repeat_pict
This field is used for proper frame duration computation in lavf.
Definition: avcodec.h:5066
int height
Definition: frame.h:284
FILE * out
Definition: movenc.c:54
InputFilter ** inputs
Definition: ffmpeg.h:289
#define av_freep(p)
enum AVFieldOrder field_order
Field order.
Definition: avcodec.h:2186
enum AVPixelFormat hwaccel_retrieved_pix_fmt
Definition: ffmpeg.h:375
const char * name
A comma separated list of short names for the format.
Definition: avformat.h:647
static int decode(AVCodecContext *avctx, AVFrame *frame, int *got_frame, AVPacket *pkt)
Definition: ffmpeg.c:2235
#define AV_DICT_IGNORE_SUFFIX
Return first entry in a dictionary whose first part corresponds to the search key, ignoring the suffix of the found key string.
Definition: dict.h:70
static int send_filter_eof(InputStream *ist)
Definition: ffmpeg.c:2558
OutputFile ** output_files
Definition: ffmpeg.c:154
#define AV_LOG_FATAL
Something went wrong and recovery is not possible.
Definition: log.h:170
void av_fifo_freep(AVFifoBuffer **f)
Free an AVFifoBuffer and reset pointer to NULL.
Definition: fifo.c:63
AVCodecParameters * codecpar
Codec parameters associated with this stream.
Definition: avformat.h:1021
#define av_malloc_array(a, b)
int64_t av_rescale_q_rnd(int64_t a, AVRational bq, AVRational cq, enum AVRounding rnd)
Rescale a 64-bit integer by 2 rational numbers with specified rounding.
Definition: mathematics.c:134
enum AVHWDeviceType device_type
The device type associated with the configuration.
Definition: avcodec.h:3414
static void flush_encoders(void)
Definition: ffmpeg.c:1862
uint32_t codec_tag
Additional information about the codec (corresponds to the AVI FOURCC).
Definition: avcodec.h:3904
int copy_tb
Definition: ffmpeg_opt.c:101
int64_t min_pts
Definition: ffmpeg.h:321
int initialized
Definition: ffmpeg.h:519
static volatile int received_sigterm
Definition: ffmpeg.c:334
#define FFSWAP(type, a, b)
Definition: common.h:99
int discard
Definition: ffmpeg.h:298
static int get_input_packet(InputFile *f, AVPacket *pkt)
Definition: ffmpeg.c:4135
uint8_t * av_packet_new_side_data(AVPacket *pkt, enum AVPacketSideDataType type, int size)
Allocate new information of a packet.
Definition: avpacket.c:329
int stream_index
Definition: avcodec.h:1447
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
Definition: avformat.h:903
enum HWAccelID hwaccel_id
Definition: ffmpeg.h:364
int depth
Number of bits in the component.
Definition: pixdesc.h:58
enum AVSubtitleType type
Definition: avcodec.h:3862
int64_t first_pts
Definition: ffmpeg.h:455
int nb_inputs
Definition: ffmpeg.h:290
enum AVDiscard discard
Selects which packets can be discarded at will and do not need to be demuxed.
Definition: avformat.h:929
#define DECODING_FOR_OST
Definition: ffmpeg.h:301
int index
Definition: ffmpeg.h:444
AVRational r_frame_rate
Real base framerate of the stream.
Definition: avformat.h:998
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_RL32
Definition: bytestream.h:87
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
OSTFinished
Definition: ffmpeg.h:437
This structure stores compressed data.
Definition: avcodec.h:1422
int avio_closep(AVIOContext **s)
Close the resource accessed by the AVIOContext *s, free it and set the pointer pointing to it to NULL...
Definition: aviobuf.c:1215
AVCodecParameters * par_in
Parameters of the input stream.
Definition: avcodec.h:5731
int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size, const AVSubtitle *sub)
Definition: encode.c:342
AVFifoBuffer * frame_queue
Definition: ffmpeg.h:242
int debug_ts
Definition: ffmpeg_opt.c:102
AVRational av_buffersink_get_time_base(const AVFilterContext *ctx)
static OutputStream * choose_output(void)
Select the output stream to process.
Definition: ffmpeg.c:3870
int nb_samples
number of audio samples (per channel) described by this frame
Definition: frame.h:292
static void sigterm_handler(int sig)
Definition: ffmpeg.c:341
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
Definition: avcodec.h:1438
int64_t av_stream_get_end_pts(const AVStream *st)
Returns the pts of the last muxed packet + its duration.
Definition: utils.c:141
void * opaque
Private data of the user, can be used to carry app specific stuff.
Definition: avcodec.h:1575
for(j=16;j >0;--j)
#define FFMAX3(a, b, c)
Definition: common.h:95
#define AV_NOPTS_VALUE
Undefined timestamp value.
Definition: avutil.h:248
#define tb
Definition: regdef.h:68
AVProgram ** programs
Definition: avformat.h:1531
#define AV_DISPOSITION_ORIGINAL
Definition: avformat.h:821
int avio_printf(AVIOContext *s, const char *fmt,...) av_printf_format(2
int attribute_align_arg av_buffersrc_add_frame(AVFilterContext *ctx, AVFrame *frame)
Add a frame to the buffer source.
Definition: buffersrc.c:144
InputStream ** input_streams
Definition: ffmpeg.c:147
static unsigned dup_warning
Definition: ffmpeg.c:136
const HWAccel hwaccels[]
Definition: ffmpeg_opt.c:68
uint8_t pi<< 24) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_U8,(uint64_t)((*(constuint8_t *) pi-0x80U))<< 56) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_S16,(uint64_t)(*(constint16_t *) pi)<< 48) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_S32,(uint64_t)(*(constint32_t *) pi)<< 32) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S64,(*(constint64_t *) pi >>56)+0x80) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S64,*(constint64_t *) pi *(1.0f/(INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S64,*(constint64_t *) pi *(1.0/(INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_FLT, llrintf(*(constfloat *) pi *(INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31)))) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_DBL, llrint(*(constdouble *) pi *(INT64_C(1)<< 63)))#defineFMT_PAIR_FUNC(out, in) staticconv_func_type *constfmt_pair_to_conv_functions[AV_SAMPLE_FMT_NB *AV_SAMPLE_FMT_NB]={FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S64),};staticvoidcpy1(uint8_t **dst, constuint8_t **src, intlen){memcpy(*dst,*src, len);}staticvoidcpy2(uint8_t **dst, constuint8_t **src, intlen){memcpy(*dst,*src, 2 *len);}staticvoidcpy4(uint8_t **dst, constuint8_t **src, intlen){memcpy(*dst,*src, 4 *len);}staticvoidcpy8(uint8_t **dst, constuint8_t **src, intlen){memcpy(*dst,*src, 8 *len);}AudioConvert *swri_audio_convert_alloc(enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, constint *ch_map, intflags){AudioConvert *ctx;conv_func_type *f=fmt_pair_to_conv_functions[av_get_packed_sample_fmt(out_fmt)+AV_SAMPLE_FMT_NB *av_get_packed_sample_fmt(in_fmt)];if(!f) returnNULL;ctx=av_mallocz(sizeof(*ctx));if(!ctx) returnNULL;if(channels==1){in_fmt=av_get_planar_sample_fmt(in_fmt);out_fmt=av_get_planar_sample_fmt(out_fmt);}ctx->channels=channels;ctx->conv_f=f;ctx->ch_map=ch_map;if(in_fmt==AV_SAMPLE_FMT_U8||in_fmt==AV_SAMPLE_FMT_U8P) memset(ctx->silence, 0x80, sizeof(ctx->silence));if(out_fmt==in_fmt &&!ch_map){switch(av_get_bytes_per_sample(in_fmt)){case1:ctx->simd_f=cpy1;break;case2:ctx->simd_f=cpy2;break;case4:ctx->simd_f=cpy4;break;case8:ctx->simd_f=cpy8;break;}}if(HAVE_X86ASM &&1) swri_audio_convert_init_x86(ctx, out_fmt, in_fmt, channels);if(ARCH_ARM) swri_audio_convert_init_arm(ctx, out_fmt, in_fmt, channels);if(ARCH_AARCH64) swri_audio_convert_init_aarch64(ctx, out_fmt, in_fmt, channels);returnctx;}voidswri_audio_convert_free(AudioConvert **ctx){av_freep(ctx);}intswri_audio_convert(AudioConvert *ctx, AudioData *out, AudioData *in, intlen){intch;intoff=0;constintos=(out->planar?1:out->ch_count)*out->bps;unsignedmisaligned=0;av_assert0(ctx->channels==out->ch_count);if(ctx->in_simd_align_mask){intplanes=in->planar?in->ch_count:1;unsignedm=0;for(ch=0;ch< planes;ch++) m|=(intptr_t) in->ch[ch];misaligned|=m &ctx->in_simd_align_mask;}if(ctx->out_simd_align_mask){intplanes=out->planar?out->ch_count:1;unsignedm=0;for(ch=0;ch< planes;ch++) m|=(intptr_t) out->ch[ch];misaligned|=m &ctx->out_simd_align_mask;}if(ctx->simd_f &&!ctx->ch_map &&!misaligned){off=len &~15;av_assert1(off >=0);av_assert1(off<=len);av_assert2(ctx->channels==SWR_CH_MAX||!in->ch[ctx->channels]);if(off >0){if(out->planar==in->planar){intplanes=out->planar?out->ch_count:1;for(ch=0;ch< planes;ch++){ctx->simd_f(out-> ch ch
Definition: audioconvert.c:56
Definition: ffmpeg.h:429
static void close_output_stream(OutputStream *ost)
Definition: ffmpeg.c:824
uint8_t * subtitle_header
Header containing style information for text subtitles.
Definition: avcodec.h:3001
static uint8_t tmp[11]
Definition: aes_ctr.c:26