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"
65 #include "libavcodec/mathops.h"
66 #include "libavformat/os_support.h"
67 
68 # include "libavfilter/avfilter.h"
69 # include "libavfilter/buffersrc.h"
70 # include "libavfilter/buffersink.h"
71 
72 #if HAVE_SYS_RESOURCE_H
73 #include <sys/time.h>
74 #include <sys/types.h>
75 #include <sys/resource.h>
76 #elif HAVE_GETPROCESSTIMES
77 #include <windows.h>
78 #endif
79 #if HAVE_GETPROCESSMEMORYINFO
80 #include <windows.h>
81 #include <psapi.h>
82 #endif
83 #if HAVE_SETCONSOLECTRLHANDLER
84 #include <windows.h>
85 #endif
86 
87 
88 #if HAVE_SYS_SELECT_H
89 #include <sys/select.h>
90 #endif
91 
92 #if HAVE_TERMIOS_H
93 #include <fcntl.h>
94 #include <sys/ioctl.h>
95 #include <sys/time.h>
96 #include <termios.h>
97 #elif HAVE_KBHIT
98 #include <conio.h>
99 #endif
100 
101 #if HAVE_PTHREADS
102 #include <pthread.h>
103 #endif
104 
105 #include <time.h>
106 
107 #include "ffmpeg.h"
108 #include "cmdutils.h"
109 
110 #include "libavutil/avassert.h"
111 
112 const char program_name[] = "ffmpeg";
113 const int program_birth_year = 2000;
114 
115 static FILE *vstats_file;
116 
117 const char *const forced_keyframes_const_names[] = {
118  "n",
119  "n_forced",
120  "prev_forced_n",
121  "prev_forced_t",
122  "t",
123  NULL
124 };
125 
126 static void do_video_stats(OutputStream *ost, int frame_size);
127 static int64_t getutime(void);
128 static int64_t getmaxrss(void);
130 
131 static int run_as_daemon = 0;
132 static int nb_frames_dup = 0;
133 static unsigned dup_warning = 1000;
134 static int nb_frames_drop = 0;
135 static int64_t decode_error_stat[2];
136 
137 static int want_sdp = 1;
138 
139 static int current_time;
141 
143 
148 
153 
156 
157 #if HAVE_TERMIOS_H
158 
159 /* init terminal so that we can grab keys */
160 static struct termios oldtty;
161 static int restore_tty;
162 #endif
163 
164 #if HAVE_PTHREADS
165 static void free_input_threads(void);
166 #endif
167 
168 /* sub2video hack:
169  Convert subtitles to video with alpha to insert them in filter graphs.
170  This is a temporary solution until libavfilter gets real subtitles support.
171  */
172 
174 {
175  int ret;
176  AVFrame *frame = ist->sub2video.frame;
177 
178  av_frame_unref(frame);
179  ist->sub2video.frame->width = ist->dec_ctx->width ? ist->dec_ctx->width : ist->sub2video.w;
180  ist->sub2video.frame->height = ist->dec_ctx->height ? ist->dec_ctx->height : ist->sub2video.h;
182  if ((ret = av_frame_get_buffer(frame, 32)) < 0)
183  return ret;
184  memset(frame->data[0], 0, frame->height * frame->linesize[0]);
185  return 0;
186 }
187 
188 static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h,
189  AVSubtitleRect *r)
190 {
191  uint32_t *pal, *dst2;
192  uint8_t *src, *src2;
193  int x, y;
194 
195  if (r->type != SUBTITLE_BITMAP) {
196  av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n");
197  return;
198  }
199  if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) {
200  av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle (%d %d %d %d) overflowing %d %d\n",
201  r->x, r->y, r->w, r->h, w, h
202  );
203  return;
204  }
205 
206  dst += r->y * dst_linesize + r->x * 4;
207  src = r->data[0];
208  pal = (uint32_t *)r->data[1];
209  for (y = 0; y < r->h; y++) {
210  dst2 = (uint32_t *)dst;
211  src2 = src;
212  for (x = 0; x < r->w; x++)
213  *(dst2++) = pal[*(src2++)];
214  dst += dst_linesize;
215  src += r->linesize[0];
216  }
217 }
218 
219 static void sub2video_push_ref(InputStream *ist, int64_t pts)
220 {
221  AVFrame *frame = ist->sub2video.frame;
222  int i;
223 
224  av_assert1(frame->data[0]);
225  ist->sub2video.last_pts = frame->pts = pts;
226  for (i = 0; i < ist->nb_filters; i++)
230 }
231 
233 {
234  AVFrame *frame = ist->sub2video.frame;
235  int8_t *dst;
236  int dst_linesize;
237  int num_rects, i;
238  int64_t pts, end_pts;
239 
240  if (!frame)
241  return;
242  if (sub) {
243  pts = av_rescale_q(sub->pts + sub->start_display_time * 1000LL,
244  AV_TIME_BASE_Q, ist->st->time_base);
245  end_pts = av_rescale_q(sub->pts + sub->end_display_time * 1000LL,
246  AV_TIME_BASE_Q, ist->st->time_base);
247  num_rects = sub->num_rects;
248  } else {
249  pts = ist->sub2video.end_pts;
250  end_pts = INT64_MAX;
251  num_rects = 0;
252  }
253  if (sub2video_get_blank_frame(ist) < 0) {
255  "Impossible to get a blank canvas.\n");
256  return;
257  }
258  dst = frame->data [0];
259  dst_linesize = frame->linesize[0];
260  for (i = 0; i < num_rects; i++)
261  sub2video_copy_rect(dst, dst_linesize, frame->width, frame->height, sub->rects[i]);
262  sub2video_push_ref(ist, pts);
263  ist->sub2video.end_pts = end_pts;
264 }
265 
266 static void sub2video_heartbeat(InputStream *ist, int64_t pts)
267 {
268  InputFile *infile = input_files[ist->file_index];
269  int i, j, nb_reqs;
270  int64_t pts2;
271 
272  /* When a frame is read from a file, examine all sub2video streams in
273  the same file and send the sub2video frame again. Otherwise, decoded
274  video frames could be accumulating in the filter graph while a filter
275  (possibly overlay) is desperately waiting for a subtitle frame. */
276  for (i = 0; i < infile->nb_streams; i++) {
277  InputStream *ist2 = input_streams[infile->ist_index + i];
278  if (!ist2->sub2video.frame)
279  continue;
280  /* subtitles seem to be usually muxed ahead of other streams;
281  if not, subtracting a larger time here is necessary */
282  pts2 = av_rescale_q(pts, ist->st->time_base, ist2->st->time_base) - 1;
283  /* do not send the heartbeat frame if the subtitle is already ahead */
284  if (pts2 <= ist2->sub2video.last_pts)
285  continue;
286  if (pts2 >= ist2->sub2video.end_pts || !ist2->sub2video.frame->data[0])
287  sub2video_update(ist2, NULL);
288  for (j = 0, nb_reqs = 0; j < ist2->nb_filters; j++)
289  nb_reqs += av_buffersrc_get_nb_failed_requests(ist2->filters[j]->filter);
290  if (nb_reqs)
291  sub2video_push_ref(ist2, pts2);
292  }
293 }
294 
295 static void sub2video_flush(InputStream *ist)
296 {
297  int i;
298 
299  if (ist->sub2video.end_pts < INT64_MAX)
300  sub2video_update(ist, NULL);
301  for (i = 0; i < ist->nb_filters; i++)
303 }
304 
305 /* end of sub2video hack */
306 
307 static void term_exit_sigsafe(void)
308 {
309 #if HAVE_TERMIOS_H
310  if(restore_tty)
311  tcsetattr (0, TCSANOW, &oldtty);
312 #endif
313 }
314 
315 void term_exit(void)
316 {
317  av_log(NULL, AV_LOG_QUIET, "%s", "");
319 }
320 
321 static volatile int received_sigterm = 0;
322 static volatile int received_nb_signals = 0;
324 static volatile int ffmpeg_exited = 0;
325 static int main_return_code = 0;
326 
327 static void
329 {
330  received_sigterm = sig;
333  if(received_nb_signals > 3) {
334  write(2/*STDERR_FILENO*/, "Received > 3 system signals, hard exiting\n",
335  strlen("Received > 3 system signals, hard exiting\n"));
336 
337  exit(123);
338  }
339 }
340 
341 #if HAVE_SETCONSOLECTRLHANDLER
342 static BOOL WINAPI CtrlHandler(DWORD fdwCtrlType)
343 {
344  av_log(NULL, AV_LOG_DEBUG, "\nReceived windows signal %ld\n", fdwCtrlType);
345 
346  switch (fdwCtrlType)
347  {
348  case CTRL_C_EVENT:
349  case CTRL_BREAK_EVENT:
350  sigterm_handler(SIGINT);
351  return TRUE;
352 
353  case CTRL_CLOSE_EVENT:
354  case CTRL_LOGOFF_EVENT:
355  case CTRL_SHUTDOWN_EVENT:
356  sigterm_handler(SIGTERM);
357  /* Basically, with these 3 events, when we return from this method the
358  process is hard terminated, so stall as long as we need to
359  to try and let the main thread(s) clean up and gracefully terminate
360  (we have at most 5 seconds, but should be done far before that). */
361  while (!ffmpeg_exited) {
362  Sleep(0);
363  }
364  return TRUE;
365 
366  default:
367  av_log(NULL, AV_LOG_ERROR, "Received unknown windows signal %ld\n", fdwCtrlType);
368  return FALSE;
369  }
370 }
371 #endif
372 
373 void term_init(void)
374 {
375 #if HAVE_TERMIOS_H
377  struct termios tty;
378  if (tcgetattr (0, &tty) == 0) {
379  oldtty = tty;
380  restore_tty = 1;
381 
382  tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
383  |INLCR|IGNCR|ICRNL|IXON);
384  tty.c_oflag |= OPOST;
385  tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
386  tty.c_cflag &= ~(CSIZE|PARENB);
387  tty.c_cflag |= CS8;
388  tty.c_cc[VMIN] = 1;
389  tty.c_cc[VTIME] = 0;
390 
391  tcsetattr (0, TCSANOW, &tty);
392  }
393  signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
394  }
395 #endif
396 
397  signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
398  signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
399 #ifdef SIGXCPU
400  signal(SIGXCPU, sigterm_handler);
401 #endif
402 #if HAVE_SETCONSOLECTRLHANDLER
403  SetConsoleCtrlHandler((PHANDLER_ROUTINE) CtrlHandler, TRUE);
404 #endif
405 }
406 
407 /* read a key without blocking */
408 static int read_key(void)
409 {
410  unsigned char ch;
411 #if HAVE_TERMIOS_H
412  int n = 1;
413  struct timeval tv;
414  fd_set rfds;
415 
416  FD_ZERO(&rfds);
417  FD_SET(0, &rfds);
418  tv.tv_sec = 0;
419  tv.tv_usec = 0;
420  n = select(1, &rfds, NULL, NULL, &tv);
421  if (n > 0) {
422  n = read(0, &ch, 1);
423  if (n == 1)
424  return ch;
425 
426  return n;
427  }
428 #elif HAVE_KBHIT
429 # if HAVE_PEEKNAMEDPIPE
430  static int is_pipe;
431  static HANDLE input_handle;
432  DWORD dw, nchars;
433  if(!input_handle){
434  input_handle = GetStdHandle(STD_INPUT_HANDLE);
435  is_pipe = !GetConsoleMode(input_handle, &dw);
436  }
437 
438  if (is_pipe) {
439  /* When running under a GUI, you will end here. */
440  if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL)) {
441  // input pipe may have been closed by the program that ran ffmpeg
442  return -1;
443  }
444  //Read it
445  if(nchars != 0) {
446  read(0, &ch, 1);
447  return ch;
448  }else{
449  return -1;
450  }
451  }
452 # endif
453  if(kbhit())
454  return(getch());
455 #endif
456  return -1;
457 }
458 
459 static int decode_interrupt_cb(void *ctx)
460 {
462 }
463 
465 
466 static void ffmpeg_cleanup(int ret)
467 {
468  int i, j;
469 
470  if (do_benchmark) {
471  int maxrss = getmaxrss() / 1024;
472  av_log(NULL, AV_LOG_INFO, "bench: maxrss=%ikB\n", maxrss);
473  }
474 
475  for (i = 0; i < nb_filtergraphs; i++) {
476  FilterGraph *fg = filtergraphs[i];
478  for (j = 0; j < fg->nb_inputs; j++) {
479  while (av_fifo_size(fg->inputs[j]->frame_queue)) {
480  AVFrame *frame;
481  av_fifo_generic_read(fg->inputs[j]->frame_queue, &frame,
482  sizeof(frame), NULL);
483  av_frame_free(&frame);
484  }
486  if (fg->inputs[j]->ist->sub2video.sub_queue) {
487  while (av_fifo_size(fg->inputs[j]->ist->sub2video.sub_queue)) {
488  AVSubtitle sub;
490  &sub, sizeof(sub), NULL);
491  avsubtitle_free(&sub);
492  }
494  }
496  av_freep(&fg->inputs[j]->name);
497  av_freep(&fg->inputs[j]);
498  }
499  av_freep(&fg->inputs);
500  for (j = 0; j < fg->nb_outputs; j++) {
501  av_freep(&fg->outputs[j]->name);
502  av_freep(&fg->outputs[j]->formats);
503  av_freep(&fg->outputs[j]->channel_layouts);
504  av_freep(&fg->outputs[j]->sample_rates);
505  av_freep(&fg->outputs[j]);
506  }
507  av_freep(&fg->outputs);
508  av_freep(&fg->graph_desc);
509 
510  av_freep(&filtergraphs[i]);
511  }
512  av_freep(&filtergraphs);
513 
515 
516  /* close files */
517  for (i = 0; i < nb_output_files; i++) {
518  OutputFile *of = output_files[i];
520  if (!of)
521  continue;
522  s = of->ctx;
523  if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE))
524  avio_closep(&s->pb);
526  av_dict_free(&of->opts);
527 
528  av_freep(&output_files[i]);
529  }
530  for (i = 0; i < nb_output_streams; i++) {
531  OutputStream *ost = output_streams[i];
532 
533  if (!ost)
534  continue;
535 
536  for (j = 0; j < ost->nb_bitstream_filters; j++)
537  av_bsf_free(&ost->bsf_ctx[j]);
538  av_freep(&ost->bsf_ctx);
540 
542  av_frame_free(&ost->last_frame);
543  av_dict_free(&ost->encoder_opts);
544 
545  av_parser_close(ost->parser);
547 
548  av_freep(&ost->forced_keyframes);
550  av_freep(&ost->avfilter);
551  av_freep(&ost->logfile_prefix);
552 
554  ost->audio_channels_mapped = 0;
555 
556  av_dict_free(&ost->sws_dict);
557 
560 
561  if (ost->muxing_queue) {
562  while (av_fifo_size(ost->muxing_queue)) {
563  AVPacket pkt;
564  av_fifo_generic_read(ost->muxing_queue, &pkt, sizeof(pkt), NULL);
565  av_packet_unref(&pkt);
566  }
568  }
569 
570  av_freep(&output_streams[i]);
571  }
572 #if HAVE_PTHREADS
573  free_input_threads();
574 #endif
575  for (i = 0; i < nb_input_files; i++) {
576  avformat_close_input(&input_files[i]->ctx);
577  av_freep(&input_files[i]);
578  }
579  for (i = 0; i < nb_input_streams; i++) {
580  InputStream *ist = input_streams[i];
581 
584  av_dict_free(&ist->decoder_opts);
587  av_freep(&ist->filters);
588  av_freep(&ist->hwaccel_device);
589  av_freep(&ist->dts_buffer);
590 
592 
593  av_freep(&input_streams[i]);
594  }
595 
596  if (vstats_file) {
597  if (fclose(vstats_file))
599  "Error closing vstats file, loss of information possible: %s\n",
600  av_err2str(AVERROR(errno)));
601  }
603 
604  av_freep(&input_streams);
605  av_freep(&input_files);
606  av_freep(&output_streams);
607  av_freep(&output_files);
608 
609  uninit_opts();
610 
612 
613  if (received_sigterm) {
614  av_log(NULL, AV_LOG_INFO, "Exiting normally, received signal %d.\n",
615  (int) received_sigterm);
616  } else if (ret && atomic_load(&transcode_init_done)) {
617  av_log(NULL, AV_LOG_INFO, "Conversion failed!\n");
618  }
619  term_exit();
620  ffmpeg_exited = 1;
621 }
622 
624 {
625  AVDictionaryEntry *t = NULL;
626 
627  while ((t = av_dict_get(b, "", t, AV_DICT_IGNORE_SUFFIX))) {
629  }
630 }
631 
633 {
635  if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
636  av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
637  exit_program(1);
638  }
639 }
640 
641 static void abort_codec_experimental(AVCodec *c, int encoder)
642 {
643  exit_program(1);
644 }
645 
646 static void update_benchmark(const char *fmt, ...)
647 {
648  if (do_benchmark_all) {
649  int64_t t = getutime();
650  va_list va;
651  char buf[1024];
652 
653  if (fmt) {
654  va_start(va, fmt);
655  vsnprintf(buf, sizeof(buf), fmt, va);
656  va_end(va);
657  av_log(NULL, AV_LOG_INFO, "bench: %8"PRIu64" %s \n", t - current_time, buf);
658  }
659  current_time = t;
660  }
661 }
662 
663 static void close_all_output_streams(OutputStream *ost, OSTFinished this_stream, OSTFinished others)
664 {
665  int i;
666  for (i = 0; i < nb_output_streams; i++) {
667  OutputStream *ost2 = output_streams[i];
668  ost2->finished |= ost == ost2 ? this_stream : others;
669  }
670 }
671 
672 static void write_packet(OutputFile *of, AVPacket *pkt, OutputStream *ost, int unqueue)
673 {
674  AVFormatContext *s = of->ctx;
675  AVStream *st = ost->st;
676  int ret;
677 
678  /*
679  * Audio encoders may split the packets -- #frames in != #packets out.
680  * But there is no reordering, so we can limit the number of output packets
681  * by simply dropping them here.
682  * Counting encoded video frames needs to be done separately because of
683  * reordering, see do_video_out().
684  * Do not count the packet when unqueued because it has been counted when queued.
685  */
686  if (!(st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && ost->encoding_needed) && !unqueue) {
687  if (ost->frame_number >= ost->max_frames) {
688  av_packet_unref(pkt);
689  return;
690  }
691  ost->frame_number++;
692  }
693 
694  if (!of->header_written) {
695  AVPacket tmp_pkt = {0};
696  /* the muxer is not initialized yet, buffer the packet */
697  if (!av_fifo_space(ost->muxing_queue)) {
698  int new_size = FFMIN(2 * av_fifo_size(ost->muxing_queue),
699  ost->max_muxing_queue_size);
700  if (new_size <= av_fifo_size(ost->muxing_queue)) {
702  "Too many packets buffered for output stream %d:%d.\n",
703  ost->file_index, ost->st->index);
704  exit_program(1);
705  }
706  ret = av_fifo_realloc2(ost->muxing_queue, new_size);
707  if (ret < 0)
708  exit_program(1);
709  }
710  ret = av_packet_ref(&tmp_pkt, pkt);
711  if (ret < 0)
712  exit_program(1);
713  av_fifo_generic_write(ost->muxing_queue, &tmp_pkt, sizeof(tmp_pkt), NULL);
714  av_packet_unref(pkt);
715  return;
716  }
717 
720  pkt->pts = pkt->dts = AV_NOPTS_VALUE;
721 
722  if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
723  int i;
725  NULL);
726  ost->quality = sd ? AV_RL32(sd) : -1;
727  ost->pict_type = sd ? sd[4] : AV_PICTURE_TYPE_NONE;
728 
729  for (i = 0; i<FF_ARRAY_ELEMS(ost->error); i++) {
730  if (sd && i < sd[5])
731  ost->error[i] = AV_RL64(sd + 8 + 8*i);
732  else
733  ost->error[i] = -1;
734  }
735 
736  if (ost->frame_rate.num && ost->is_cfr) {
737  if (pkt->duration > 0)
738  av_log(NULL, AV_LOG_WARNING, "Overriding packet duration by frame rate, this should not happen\n");
739  pkt->duration = av_rescale_q(1, av_inv_q(ost->frame_rate),
740  ost->mux_timebase);
741  }
742  }
743 
744  av_packet_rescale_ts(pkt, ost->mux_timebase, ost->st->time_base);
745 
746  if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS)) {
747  if (pkt->dts != AV_NOPTS_VALUE &&
748  pkt->pts != AV_NOPTS_VALUE &&
749  pkt->dts > pkt->pts) {
750  av_log(s, AV_LOG_WARNING, "Invalid DTS: %"PRId64" PTS: %"PRId64" in output stream %d:%d, replacing by guess\n",
751  pkt->dts, pkt->pts,
752  ost->file_index, ost->st->index);
753  pkt->pts =
754  pkt->dts = pkt->pts + pkt->dts + ost->last_mux_dts + 1
755  - FFMIN3(pkt->pts, pkt->dts, ost->last_mux_dts + 1)
756  - FFMAX3(pkt->pts, pkt->dts, ost->last_mux_dts + 1);
757  }
759  pkt->dts != AV_NOPTS_VALUE &&
760  !(st->codecpar->codec_id == AV_CODEC_ID_VP9 && ost->stream_copy) &&
761  ost->last_mux_dts != AV_NOPTS_VALUE) {
762  int64_t max = ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
763  if (pkt->dts < max) {
764  int loglevel = max - pkt->dts > 2 || st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG;
765  av_log(s, loglevel, "Non-monotonous DTS in output stream "
766  "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
767  ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
768  if (exit_on_error) {
769  av_log(NULL, AV_LOG_FATAL, "aborting.\n");
770  exit_program(1);
771  }
772  av_log(s, loglevel, "changing to %"PRId64". This may result "
773  "in incorrect timestamps in the output file.\n",
774  max);
775  if (pkt->pts >= pkt->dts)
776  pkt->pts = FFMAX(pkt->pts, max);
777  pkt->dts = max;
778  }
779  }
780  }
781  ost->last_mux_dts = pkt->dts;
782 
783  ost->data_size += pkt->size;
784  ost->packets_written++;
785 
786  pkt->stream_index = ost->index;
787 
788  if (debug_ts) {
789  av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
790  "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n",
792  av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
793  av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base),
794  pkt->size
795  );
796  }
797 
798  ret = av_interleaved_write_frame(s, pkt);
799  if (ret < 0) {
800  print_error("av_interleaved_write_frame()", ret);
801  main_return_code = 1;
803  }
804  av_packet_unref(pkt);
805 }
806 
808 {
809  OutputFile *of = output_files[ost->file_index];
810 
811  ost->finished |= ENCODER_FINISHED;
812  if (of->shortest) {
813  int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, AV_TIME_BASE_Q);
814  of->recording_time = FFMIN(of->recording_time, end);
815  }
816 }
817 
819 {
820  int ret = 0;
821 
822  /* apply the output bitstream filters, if any */
823  if (ost->nb_bitstream_filters) {
824  int idx;
825 
826  ret = av_bsf_send_packet(ost->bsf_ctx[0], pkt);
827  if (ret < 0)
828  goto finish;
829 
830  idx = 1;
831  while (idx) {
832  /* get a packet from the previous filter up the chain */
833  ret = av_bsf_receive_packet(ost->bsf_ctx[idx - 1], pkt);
834  if (ret == AVERROR(EAGAIN)) {
835  ret = 0;
836  idx--;
837  continue;
838  } else if (ret < 0)
839  goto finish;
840  /* HACK! - aac_adtstoasc updates extradata after filtering the first frame when
841  * the api states this shouldn't happen after init(). Propagate it here to the
842  * muxer and to the next filters in the chain to workaround this.
843  * TODO/FIXME - Make aac_adtstoasc use new packet side data instead of changing
844  * par_out->extradata and adapt muxers accordingly to get rid of this. */
845  if (!(ost->bsf_extradata_updated[idx - 1] & 1)) {
846  ret = avcodec_parameters_copy(ost->st->codecpar, ost->bsf_ctx[idx - 1]->par_out);
847  if (ret < 0)
848  goto finish;
849  ost->bsf_extradata_updated[idx - 1] |= 1;
850  }
851 
852  /* send it to the next filter down the chain or to the muxer */
853  if (idx < ost->nb_bitstream_filters) {
854  /* HACK/FIXME! - See above */
855  if (!(ost->bsf_extradata_updated[idx] & 2)) {
856  ret = avcodec_parameters_copy(ost->bsf_ctx[idx]->par_out, ost->bsf_ctx[idx - 1]->par_out);
857  if (ret < 0)
858  goto finish;
859  ost->bsf_extradata_updated[idx] |= 2;
860  }
861  ret = av_bsf_send_packet(ost->bsf_ctx[idx], pkt);
862  if (ret < 0)
863  goto finish;
864  idx++;
865  } else
866  write_packet(of, pkt, ost, 0);
867  }
868  } else
869  write_packet(of, pkt, ost, 0);
870 
871 finish:
872  if (ret < 0 && ret != AVERROR_EOF) {
873  av_log(NULL, AV_LOG_ERROR, "Error applying bitstream filters to an output "
874  "packet for stream #%d:%d.\n", ost->file_index, ost->index);
875  if(exit_on_error)
876  exit_program(1);
877  }
878 }
879 
881 {
882  OutputFile *of = output_files[ost->file_index];
883 
884  if (of->recording_time != INT64_MAX &&
886  AV_TIME_BASE_Q) >= 0) {
887  close_output_stream(ost);
888  return 0;
889  }
890  return 1;
891 }
892 
893 static void do_audio_out(OutputFile *of, OutputStream *ost,
894  AVFrame *frame)
895 {
896  AVCodecContext *enc = ost->enc_ctx;
897  AVPacket pkt;
898  int ret;
899 
900  av_init_packet(&pkt);
901  pkt.data = NULL;
902  pkt.size = 0;
903 
904  if (!check_recording_time(ost))
905  return;
906 
907  if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
908  frame->pts = ost->sync_opts;
909  ost->sync_opts = frame->pts + frame->nb_samples;
910  ost->samples_encoded += frame->nb_samples;
911  ost->frames_encoded++;
912 
913  av_assert0(pkt.size || !pkt.data);
915  if (debug_ts) {
916  av_log(NULL, AV_LOG_INFO, "encoder <- type:audio "
917  "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
918  av_ts2str(frame->pts), av_ts2timestr(frame->pts, &enc->time_base),
919  enc->time_base.num, enc->time_base.den);
920  }
921 
922  ret = avcodec_send_frame(enc, frame);
923  if (ret < 0)
924  goto error;
925 
926  while (1) {
927  ret = avcodec_receive_packet(enc, &pkt);
928  if (ret == AVERROR(EAGAIN))
929  break;
930  if (ret < 0)
931  goto error;
932 
933  update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
934 
935  av_packet_rescale_ts(&pkt, enc->time_base, ost->mux_timebase);
936 
937  if (debug_ts) {
938  av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
939  "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
940  av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &enc->time_base),
941  av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &enc->time_base));
942  }
943 
944  output_packet(of, &pkt, ost);
945  }
946 
947  return;
948 error:
949  av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
950  exit_program(1);
951 }
952 
953 static void do_subtitle_out(OutputFile *of,
954  OutputStream *ost,
955  AVSubtitle *sub)
956 {
957  int subtitle_out_max_size = 1024 * 1024;
958  int subtitle_out_size, nb, i;
959  AVCodecContext *enc;
960  AVPacket pkt;
961  int64_t pts;
962 
963  if (sub->pts == AV_NOPTS_VALUE) {
964  av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
965  if (exit_on_error)
966  exit_program(1);
967  return;
968  }
969 
970  enc = ost->enc_ctx;
971 
972  if (!subtitle_out) {
973  subtitle_out = av_malloc(subtitle_out_max_size);
974  if (!subtitle_out) {
975  av_log(NULL, AV_LOG_FATAL, "Failed to allocate subtitle_out\n");
976  exit_program(1);
977  }
978  }
979 
980  /* Note: DVB subtitle need one packet to draw them and one other
981  packet to clear them */
982  /* XXX: signal it in the codec context ? */
984  nb = 2;
985  else
986  nb = 1;
987 
988  /* shift timestamp to honor -ss and make check_recording_time() work with -t */
989  pts = sub->pts;
990  if (output_files[ost->file_index]->start_time != AV_NOPTS_VALUE)
991  pts -= output_files[ost->file_index]->start_time;
992  for (i = 0; i < nb; i++) {
993  unsigned save_num_rects = sub->num_rects;
994 
995  ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
996  if (!check_recording_time(ost))
997  return;
998 
999  sub->pts = pts;
1000  // start_display_time is required to be 0
1001  sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
1002  sub->end_display_time -= sub->start_display_time;
1003  sub->start_display_time = 0;
1004  if (i == 1)
1005  sub->num_rects = 0;
1006 
1007  ost->frames_encoded++;
1008 
1009  subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1010  subtitle_out_max_size, sub);
1011  if (i == 1)
1012  sub->num_rects = save_num_rects;
1013  if (subtitle_out_size < 0) {
1014  av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1015  exit_program(1);
1016  }
1017 
1018  av_init_packet(&pkt);
1019  pkt.data = subtitle_out;
1020  pkt.size = subtitle_out_size;
1021  pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->mux_timebase);
1022  pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->mux_timebase);
1023  if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
1024  /* XXX: the pts correction is handled here. Maybe handling
1025  it in the codec would be better */
1026  if (i == 0)
1027  pkt.pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, ost->mux_timebase);
1028  else
1029  pkt.pts += av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->mux_timebase);
1030  }
1031  pkt.dts = pkt.pts;
1032  output_packet(of, &pkt, ost);
1033  }
1034 }
1035 
1036 static void do_video_out(OutputFile *of,
1037  OutputStream *ost,
1038  AVFrame *next_picture,
1039  double sync_ipts)
1040 {
1041  int ret, format_video_sync;
1042  AVPacket pkt;
1043  AVCodecContext *enc = ost->enc_ctx;
1044  AVCodecParameters *mux_par = ost->st->codecpar;
1045  AVRational frame_rate;
1046  int nb_frames, nb0_frames, i;
1047  double delta, delta0;
1048  double duration = 0;
1049  int frame_size = 0;
1050  InputStream *ist = NULL;
1052 
1053  if (ost->source_index >= 0)
1054  ist = input_streams[ost->source_index];
1055 
1056  frame_rate = av_buffersink_get_frame_rate(filter);
1057  if (frame_rate.num > 0 && frame_rate.den > 0)
1058  duration = 1/(av_q2d(frame_rate) * av_q2d(enc->time_base));
1059 
1060  if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
1061  duration = FFMIN(duration, 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base)));
1062 
1063  if (!ost->filters_script &&
1064  !ost->filters &&
1065  next_picture &&
1066  ist &&
1067  lrintf(av_frame_get_pkt_duration(next_picture) * av_q2d(ist->st->time_base) / av_q2d(enc->time_base)) > 0) {
1068  duration = lrintf(av_frame_get_pkt_duration(next_picture) * av_q2d(ist->st->time_base) / av_q2d(enc->time_base));
1069  }
1070 
1071  if (!next_picture) {
1072  //end, flushing
1073  nb0_frames = nb_frames = mid_pred(ost->last_nb0_frames[0],
1074  ost->last_nb0_frames[1],
1075  ost->last_nb0_frames[2]);
1076  } else {
1077  delta0 = sync_ipts - ost->sync_opts; // delta0 is the "drift" between the input frame (next_picture) and where it would fall in the output.
1078  delta = delta0 + duration;
1079 
1080  /* by default, we output a single frame */
1081  nb0_frames = 0; // tracks the number of times the PREVIOUS frame should be duplicated, mostly for variable framerate (VFR)
1082  nb_frames = 1;
1083 
1084  format_video_sync = video_sync_method;
1085  if (format_video_sync == VSYNC_AUTO) {
1086  if(!strcmp(of->ctx->oformat->name, "avi")) {
1087  format_video_sync = VSYNC_VFR;
1088  } else
1089  format_video_sync = (of->ctx->oformat->flags & AVFMT_VARIABLE_FPS) ? ((of->ctx->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
1090  if ( ist
1091  && format_video_sync == VSYNC_CFR
1092  && input_files[ist->file_index]->ctx->nb_streams == 1
1093  && input_files[ist->file_index]->input_ts_offset == 0) {
1094  format_video_sync = VSYNC_VSCFR;
1095  }
1096  if (format_video_sync == VSYNC_CFR && copy_ts) {
1097  format_video_sync = VSYNC_VSCFR;
1098  }
1099  }
1100  ost->is_cfr = (format_video_sync == VSYNC_CFR || format_video_sync == VSYNC_VSCFR);
1101 
1102  if (delta0 < 0 &&
1103  delta > 0 &&
1104  format_video_sync != VSYNC_PASSTHROUGH &&
1105  format_video_sync != VSYNC_DROP) {
1106  if (delta0 < -0.6) {
1107  av_log(NULL, AV_LOG_WARNING, "Past duration %f too large\n", -delta0);
1108  } else
1109  av_log(NULL, AV_LOG_DEBUG, "Clipping frame in rate conversion by %f\n", -delta0);
1110  sync_ipts = ost->sync_opts;
1111  duration += delta0;
1112  delta0 = 0;
1113  }
1114 
1115  switch (format_video_sync) {
1116  case VSYNC_VSCFR:
1117  if (ost->frame_number == 0 && delta0 >= 0.5) {
1118  av_log(NULL, AV_LOG_DEBUG, "Not duplicating %d initial frames\n", (int)lrintf(delta0));
1119  delta = duration;
1120  delta0 = 0;
1121  ost->sync_opts = lrint(sync_ipts);
1122  }
1123  case VSYNC_CFR:
1124  // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1125  if (frame_drop_threshold && delta < frame_drop_threshold && ost->frame_number) {
1126  nb_frames = 0;
1127  } else if (delta < -1.1)
1128  nb_frames = 0;
1129  else if (delta > 1.1) {
1130  nb_frames = lrintf(delta);
1131  if (delta0 > 1.1)
1132  nb0_frames = lrintf(delta0 - 0.6);
1133  }
1134  break;
1135  case VSYNC_VFR:
1136  if (delta <= -0.6)
1137  nb_frames = 0;
1138  else if (delta > 0.6)
1139  ost->sync_opts = lrint(sync_ipts);
1140  break;
1141  case VSYNC_DROP:
1142  case VSYNC_PASSTHROUGH:
1143  ost->sync_opts = lrint(sync_ipts);
1144  break;
1145  default:
1146  av_assert0(0);
1147  }
1148  }
1149 
1150  nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1151  nb0_frames = FFMIN(nb0_frames, nb_frames);
1152 
1153  memmove(ost->last_nb0_frames + 1,
1154  ost->last_nb0_frames,
1155  sizeof(ost->last_nb0_frames[0]) * (FF_ARRAY_ELEMS(ost->last_nb0_frames) - 1));
1156  ost->last_nb0_frames[0] = nb0_frames;
1157 
1158  if (nb0_frames == 0 && ost->last_dropped) {
1159  nb_frames_drop++;
1161  "*** dropping frame %d from stream %d at ts %"PRId64"\n",
1162  ost->frame_number, ost->st->index, ost->last_frame->pts);
1163  }
1164  if (nb_frames > (nb0_frames && ost->last_dropped) + (nb_frames > nb0_frames)) {
1165  if (nb_frames > dts_error_threshold * 30) {
1166  av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
1167  nb_frames_drop++;
1168  return;
1169  }
1170  nb_frames_dup += nb_frames - (nb0_frames && ost->last_dropped) - (nb_frames > nb0_frames);
1171  av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1172  if (nb_frames_dup > dup_warning) {
1173  av_log(NULL, AV_LOG_WARNING, "More than %d frames duplicated\n", dup_warning);
1174  dup_warning *= 10;
1175  }
1176  }
1177  ost->last_dropped = nb_frames == nb0_frames && next_picture;
1178 
1179  /* duplicates frame if needed */
1180  for (i = 0; i < nb_frames; i++) {
1181  AVFrame *in_picture;
1182  av_init_packet(&pkt);
1183  pkt.data = NULL;
1184  pkt.size = 0;
1185 
1186  if (i < nb0_frames && ost->last_frame) {
1187  in_picture = ost->last_frame;
1188  } else
1189  in_picture = next_picture;
1190 
1191  if (!in_picture)
1192  return;
1193 
1194  in_picture->pts = ost->sync_opts;
1195 
1196 #if 1
1197  if (!check_recording_time(ost))
1198 #else
1199  if (ost->frame_number >= ost->max_frames)
1200 #endif
1201  return;
1202 
1203 #if FF_API_LAVF_FMT_RAWPICTURE
1204  if (of->ctx->oformat->flags & AVFMT_RAWPICTURE &&
1205  enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
1206  /* raw pictures are written as AVPicture structure to
1207  avoid any copies. We support temporarily the older
1208  method. */
1209  if (in_picture->interlaced_frame)
1210  mux_par->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
1211  else
1212  mux_par->field_order = AV_FIELD_PROGRESSIVE;
1213  pkt.data = (uint8_t *)in_picture;
1214  pkt.size = sizeof(AVPicture);
1215  pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->mux_timebase);
1216  pkt.flags |= AV_PKT_FLAG_KEY;
1217 
1218  output_packet(of, &pkt, ost);
1219  } else
1220 #endif
1221  {
1222  int forced_keyframe = 0;
1223  double pts_time;
1224 
1226  ost->top_field_first >= 0)
1227  in_picture->top_field_first = !!ost->top_field_first;
1228 
1229  if (in_picture->interlaced_frame) {
1230  if (enc->codec->id == AV_CODEC_ID_MJPEG)
1231  mux_par->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
1232  else
1233  mux_par->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
1234  } else
1235  mux_par->field_order = AV_FIELD_PROGRESSIVE;
1236 
1237  in_picture->quality = enc->global_quality;
1238  in_picture->pict_type = 0;
1239 
1240  pts_time = in_picture->pts != AV_NOPTS_VALUE ?
1241  in_picture->pts * av_q2d(enc->time_base) : NAN;
1242  if (ost->forced_kf_index < ost->forced_kf_count &&
1243  in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1244  ost->forced_kf_index++;
1245  forced_keyframe = 1;
1246  } else if (ost->forced_keyframes_pexpr) {
1247  double res;
1248  ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
1251  ff_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
1257  res);
1258  if (res) {
1259  forced_keyframe = 1;
1265  }
1266 
1268  } else if ( ost->forced_keyframes
1269  && !strncmp(ost->forced_keyframes, "source", 6)
1270  && in_picture->key_frame==1) {
1271  forced_keyframe = 1;
1272  }
1273 
1274  if (forced_keyframe) {
1275  in_picture->pict_type = AV_PICTURE_TYPE_I;
1276  av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
1277  }
1278 
1280  if (debug_ts) {
1281  av_log(NULL, AV_LOG_INFO, "encoder <- type:video "
1282  "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
1283  av_ts2str(in_picture->pts), av_ts2timestr(in_picture->pts, &enc->time_base),
1284  enc->time_base.num, enc->time_base.den);
1285  }
1286 
1287  ost->frames_encoded++;
1288 
1289  ret = avcodec_send_frame(enc, in_picture);
1290  if (ret < 0)
1291  goto error;
1292 
1293  while (1) {
1294  ret = avcodec_receive_packet(enc, &pkt);
1295  update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
1296  if (ret == AVERROR(EAGAIN))
1297  break;
1298  if (ret < 0)
1299  goto error;
1300 
1301  if (debug_ts) {
1302  av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1303  "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1304  av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &enc->time_base),
1305  av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &enc->time_base));
1306  }
1307 
1308  if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & AV_CODEC_CAP_DELAY))
1309  pkt.pts = ost->sync_opts;
1310 
1311  av_packet_rescale_ts(&pkt, enc->time_base, ost->mux_timebase);
1312 
1313  if (debug_ts) {
1314  av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1315  "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1316  av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->mux_timebase),
1317  av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->mux_timebase));
1318  }
1319 
1320  frame_size = pkt.size;
1321  output_packet(of, &pkt, ost);
1322 
1323  /* if two pass, output log */
1324  if (ost->logfile && enc->stats_out) {
1325  fprintf(ost->logfile, "%s", enc->stats_out);
1326  }
1327  }
1328  }
1329  ost->sync_opts++;
1330  /*
1331  * For video, number of frames in == number of packets out.
1332  * But there may be reordering, so we can't throw away frames on encoder
1333  * flush, we need to limit them here, before they go into encoder.
1334  */
1335  ost->frame_number++;
1336 
1337  if (vstats_filename && frame_size)
1338  do_video_stats(ost, frame_size);
1339  }
1340 
1341  if (!ost->last_frame)
1342  ost->last_frame = av_frame_alloc();
1343  av_frame_unref(ost->last_frame);
1344  if (next_picture && ost->last_frame)
1345  av_frame_ref(ost->last_frame, next_picture);
1346  else
1347  av_frame_free(&ost->last_frame);
1348 
1349  return;
1350 error:
1351  av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1352  exit_program(1);
1353 }
1354 
1355 static double psnr(double d)
1356 {
1357  return -10.0 * log10(d);
1358 }
1359 
1361 {
1362  AVCodecContext *enc;
1363  int frame_number;
1364  double ti1, bitrate, avg_bitrate;
1365 
1366  /* this is executed just the first time do_video_stats is called */
1367  if (!vstats_file) {
1368  vstats_file = fopen(vstats_filename, "w");
1369  if (!vstats_file) {
1370  perror("fopen");
1371  exit_program(1);
1372  }
1373  }
1374 
1375  enc = ost->enc_ctx;
1376  if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1377  frame_number = ost->st->nb_frames;
1378  if (vstats_version <= 1) {
1379  fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number,
1380  ost->quality / (float)FF_QP2LAMBDA);
1381  } else {
1382  fprintf(vstats_file, "out= %2d st= %2d frame= %5d q= %2.1f ", ost->file_index, ost->index, frame_number,
1383  ost->quality / (float)FF_QP2LAMBDA);
1384  }
1385 
1386  if (ost->error[0]>=0 && (enc->flags & AV_CODEC_FLAG_PSNR))
1387  fprintf(vstats_file, "PSNR= %6.2f ", psnr(ost->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1388 
1389  fprintf(vstats_file,"f_size= %6d ", frame_size);
1390  /* compute pts value */
1391  ti1 = av_stream_get_end_pts(ost->st) * av_q2d(ost->st->time_base);
1392  if (ti1 < 0.01)
1393  ti1 = 0.01;
1394 
1395  bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1396  avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0;
1397  fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1398  (double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
1399  fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(ost->pict_type));
1400  }
1401 }
1402 
1403 static int init_output_stream(OutputStream *ost, char *error, int error_len);
1404 
1406 {
1407  OutputFile *of = output_files[ost->file_index];
1408  int i;
1409 
1411 
1412  if (of->shortest) {
1413  for (i = 0; i < of->ctx->nb_streams; i++)
1414  output_streams[of->ost_index + i]->finished = ENCODER_FINISHED | MUXER_FINISHED;
1415  }
1416 }
1417 
1418 /**
1419  * Get and encode new output from any of the filtergraphs, without causing
1420  * activity.
1421  *
1422  * @return 0 for success, <0 for severe errors
1423  */
1424 static int reap_filters(int flush)
1425 {
1426  AVFrame *filtered_frame = NULL;
1427  int i;
1428 
1429  /* Reap all buffers present in the buffer sinks */
1430  for (i = 0; i < nb_output_streams; i++) {
1431  OutputStream *ost = output_streams[i];
1432  OutputFile *of = output_files[ost->file_index];
1434  AVCodecContext *enc = ost->enc_ctx;
1435  int ret = 0;
1436 
1437  if (!ost->filter || !ost->filter->graph->graph)
1438  continue;
1439  filter = ost->filter->filter;
1440 
1441  if (!ost->initialized) {
1442  char error[1024] = "";
1443  ret = init_output_stream(ost, error, sizeof(error));
1444  if (ret < 0) {
1445  av_log(NULL, AV_LOG_ERROR, "Error initializing output stream %d:%d -- %s\n",
1446  ost->file_index, ost->index, error);
1447  exit_program(1);
1448  }
1449  }
1450 
1451  if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
1452  return AVERROR(ENOMEM);
1453  }
1454  filtered_frame = ost->filtered_frame;
1455 
1456  while (1) {
1457  double float_pts = AV_NOPTS_VALUE; // this is identical to filtered_frame.pts but with higher precision
1458  ret = av_buffersink_get_frame_flags(filter, filtered_frame,
1460  if (ret < 0) {
1461  if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
1463  "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret));
1464  } else if (flush && ret == AVERROR_EOF) {
1466  do_video_out(of, ost, NULL, AV_NOPTS_VALUE);
1467  }
1468  break;
1469  }
1470  if (ost->finished) {
1471  av_frame_unref(filtered_frame);
1472  continue;
1473  }
1474  if (filtered_frame->pts != AV_NOPTS_VALUE) {
1475  int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1476  AVRational filter_tb = av_buffersink_get_time_base(filter);
1477  AVRational tb = enc->time_base;
1478  int extra_bits = av_clip(29 - av_log2(tb.den), 0, 16);
1479 
1480  tb.den <<= extra_bits;
1481  float_pts =
1482  av_rescale_q(filtered_frame->pts, filter_tb, tb) -
1483  av_rescale_q(start_time, AV_TIME_BASE_Q, tb);
1484  float_pts /= 1 << extra_bits;
1485  // 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
1486  float_pts += FFSIGN(float_pts) * 1.0 / (1<<17);
1487 
1488  filtered_frame->pts =
1489  av_rescale_q(filtered_frame->pts, filter_tb, enc->time_base) -
1490  av_rescale_q(start_time, AV_TIME_BASE_Q, enc->time_base);
1491  }
1492  //if (ost->source_index >= 0)
1493  // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
1494 
1495  switch (av_buffersink_get_type(filter)) {
1496  case AVMEDIA_TYPE_VIDEO:
1497  if (!ost->frame_aspect_ratio.num)
1498  enc->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
1499 
1500  if (debug_ts) {
1501  av_log(NULL, AV_LOG_INFO, "filter -> pts:%s pts_time:%s exact:%f time_base:%d/%d\n",
1502  av_ts2str(filtered_frame->pts), av_ts2timestr(filtered_frame->pts, &enc->time_base),
1503  float_pts,
1504  enc->time_base.num, enc->time_base.den);
1505  }
1506 
1507  do_video_out(of, ost, filtered_frame, float_pts);
1508  break;
1509  case AVMEDIA_TYPE_AUDIO:
1510  if (!(enc->codec->capabilities & AV_CODEC_CAP_PARAM_CHANGE) &&
1511  enc->channels != av_frame_get_channels(filtered_frame)) {
1513  "Audio filter graph output is not normalized and encoder does not support parameter changes\n");
1514  break;
1515  }
1516  do_audio_out(of, ost, filtered_frame);
1517  break;
1518  default:
1519  // TODO support subtitle filters
1520  av_assert0(0);
1521  }
1522 
1523  av_frame_unref(filtered_frame);
1524  }
1525  }
1526 
1527  return 0;
1528 }
1529 
1530 static void print_final_stats(int64_t total_size)
1531 {
1532  uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0;
1533  uint64_t subtitle_size = 0;
1534  uint64_t data_size = 0;
1535  float percent = -1.0;
1536  int i, j;
1537  int pass1_used = 1;
1538 
1539  for (i = 0; i < nb_output_streams; i++) {
1540  OutputStream *ost = output_streams[i];
1541  switch (ost->enc_ctx->codec_type) {
1542  case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break;
1543  case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break;
1544  case AVMEDIA_TYPE_SUBTITLE: subtitle_size += ost->data_size; break;
1545  default: other_size += ost->data_size; break;
1546  }
1547  extra_size += ost->enc_ctx->extradata_size;
1548  data_size += ost->data_size;
1551  pass1_used = 0;
1552  }
1553 
1554  if (data_size && total_size>0 && total_size >= data_size)
1555  percent = 100.0 * (total_size - data_size) / data_size;
1556 
1557  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: ",
1558  video_size / 1024.0,
1559  audio_size / 1024.0,
1560  subtitle_size / 1024.0,
1561  other_size / 1024.0,
1562  extra_size / 1024.0);
1563  if (percent >= 0.0)
1564  av_log(NULL, AV_LOG_INFO, "%f%%", percent);
1565  else
1566  av_log(NULL, AV_LOG_INFO, "unknown");
1567  av_log(NULL, AV_LOG_INFO, "\n");
1568 
1569  /* print verbose per-stream stats */
1570  for (i = 0; i < nb_input_files; i++) {
1571  InputFile *f = input_files[i];
1572  uint64_t total_packets = 0, total_size = 0;
1573 
1574  av_log(NULL, AV_LOG_VERBOSE, "Input file #%d (%s):\n",
1575  i, f->ctx->filename);
1576 
1577  for (j = 0; j < f->nb_streams; j++) {
1578  InputStream *ist = input_streams[f->ist_index + j];
1579  enum AVMediaType type = ist->dec_ctx->codec_type;
1580 
1581  total_size += ist->data_size;
1582  total_packets += ist->nb_packets;
1583 
1584  av_log(NULL, AV_LOG_VERBOSE, " Input stream #%d:%d (%s): ",
1585  i, j, media_type_string(type));
1586  av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets read (%"PRIu64" bytes); ",
1587  ist->nb_packets, ist->data_size);
1588 
1589  if (ist->decoding_needed) {
1590  av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames decoded",
1591  ist->frames_decoded);
1592  if (type == AVMEDIA_TYPE_AUDIO)
1593  av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->samples_decoded);
1594  av_log(NULL, AV_LOG_VERBOSE, "; ");
1595  }
1596 
1597  av_log(NULL, AV_LOG_VERBOSE, "\n");
1598  }
1599 
1600  av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) demuxed\n",
1601  total_packets, total_size);
1602  }
1603 
1604  for (i = 0; i < nb_output_files; i++) {
1605  OutputFile *of = output_files[i];
1606  uint64_t total_packets = 0, total_size = 0;
1607 
1608  av_log(NULL, AV_LOG_VERBOSE, "Output file #%d (%s):\n",
1609  i, of->ctx->filename);
1610 
1611  for (j = 0; j < of->ctx->nb_streams; j++) {
1612  OutputStream *ost = output_streams[of->ost_index + j];
1613  enum AVMediaType type = ost->enc_ctx->codec_type;
1614 
1615  total_size += ost->data_size;
1616  total_packets += ost->packets_written;
1617 
1618  av_log(NULL, AV_LOG_VERBOSE, " Output stream #%d:%d (%s): ",
1619  i, j, media_type_string(type));
1620  if (ost->encoding_needed) {
1621  av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames encoded",
1622  ost->frames_encoded);
1623  if (type == AVMEDIA_TYPE_AUDIO)
1624  av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ost->samples_encoded);
1625  av_log(NULL, AV_LOG_VERBOSE, "; ");
1626  }
1627 
1628  av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets muxed (%"PRIu64" bytes); ",
1629  ost->packets_written, ost->data_size);
1630 
1631  av_log(NULL, AV_LOG_VERBOSE, "\n");
1632  }
1633 
1634  av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) muxed\n",
1635  total_packets, total_size);
1636  }
1637  if(video_size + data_size + audio_size + subtitle_size + extra_size == 0){
1638  av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded ");
1639  if (pass1_used) {
1640  av_log(NULL, AV_LOG_WARNING, "\n");
1641  } else {
1642  av_log(NULL, AV_LOG_WARNING, "(check -ss / -t / -frames parameters if used)\n");
1643  }
1644  }
1645 }
1646 
1647 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1648 {
1649  char buf[1024];
1650  AVBPrint buf_script;
1651  OutputStream *ost;
1652  AVFormatContext *oc;
1653  int64_t total_size;
1654  AVCodecContext *enc;
1655  int frame_number, vid, i;
1656  double bitrate;
1657  double speed;
1658  int64_t pts = INT64_MIN + 1;
1659  static int64_t last_time = -1;
1660  static int qp_histogram[52];
1661  int hours, mins, secs, us;
1662  int ret;
1663  float t;
1664 
1665  if (!print_stats && !is_last_report && !progress_avio)
1666  return;
1667 
1668  if (!is_last_report) {
1669  if (last_time == -1) {
1670  last_time = cur_time;
1671  return;
1672  }
1673  if ((cur_time - last_time) < 500000)
1674  return;
1675  last_time = cur_time;
1676  }
1677 
1678  t = (cur_time-timer_start) / 1000000.0;
1679 
1680 
1681  oc = output_files[0]->ctx;
1682 
1683  total_size = avio_size(oc->pb);
1684  if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
1685  total_size = avio_tell(oc->pb);
1686 
1687  buf[0] = '\0';
1688  vid = 0;
1689  av_bprint_init(&buf_script, 0, 1);
1690  for (i = 0; i < nb_output_streams; i++) {
1691  float q = -1;
1692  ost = output_streams[i];
1693  enc = ost->enc_ctx;
1694  if (!ost->stream_copy)
1695  q = ost->quality / (float) FF_QP2LAMBDA;
1696 
1697  if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1698  snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1699  av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1700  ost->file_index, ost->index, q);
1701  }
1702  if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1703  float fps;
1704 
1705  frame_number = ost->frame_number;
1706  fps = t > 1 ? frame_number / t : 0;
1707  snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1708  frame_number, fps < 9.95, fps, q);
1709  av_bprintf(&buf_script, "frame=%d\n", frame_number);
1710  av_bprintf(&buf_script, "fps=%.1f\n", fps);
1711  av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1712  ost->file_index, ost->index, q);
1713  if (is_last_report)
1714  snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1715  if (qp_hist) {
1716  int j;
1717  int qp = lrintf(q);
1718  if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1719  qp_histogram[qp]++;
1720  for (j = 0; j < 32; j++)
1721  snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", av_log2(qp_histogram[j] + 1));
1722  }
1723 
1724  if ((enc->flags & AV_CODEC_FLAG_PSNR) && (ost->pict_type != AV_PICTURE_TYPE_NONE || is_last_report)) {
1725  int j;
1726  double error, error_sum = 0;
1727  double scale, scale_sum = 0;
1728  double p;
1729  char type[3] = { 'Y','U','V' };
1730  snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1731  for (j = 0; j < 3; j++) {
1732  if (is_last_report) {
1733  error = enc->error[j];
1734  scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1735  } else {
1736  error = ost->error[j];
1737  scale = enc->width * enc->height * 255.0 * 255.0;
1738  }
1739  if (j)
1740  scale /= 4;
1741  error_sum += error;
1742  scale_sum += scale;
1743  p = psnr(error / scale);
1744  snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
1745  av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1746  ost->file_index, ost->index, type[j] | 32, p);
1747  }
1748  p = psnr(error_sum / scale_sum);
1749  snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1750  av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1751  ost->file_index, ost->index, p);
1752  }
1753  vid = 1;
1754  }
1755  /* compute min output value */
1757  pts = FFMAX(pts, av_rescale_q(av_stream_get_end_pts(ost->st),
1758  ost->st->time_base, AV_TIME_BASE_Q));
1759  if (is_last_report)
1760  nb_frames_drop += ost->last_dropped;
1761  }
1762 
1763  secs = FFABS(pts) / AV_TIME_BASE;
1764  us = FFABS(pts) % AV_TIME_BASE;
1765  mins = secs / 60;
1766  secs %= 60;
1767  hours = mins / 60;
1768  mins %= 60;
1769 
1770  bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
1771  speed = t != 0.0 ? (double)pts / AV_TIME_BASE / t : -1;
1772 
1773  if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1774  "size=N/A time=");
1775  else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1776  "size=%8.0fkB time=", total_size / 1024.0);
1777  if (pts < 0)
1778  snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "-");
1779  snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1780  "%02d:%02d:%02d.%02d ", hours, mins, secs,
1781  (100 * us) / AV_TIME_BASE);
1782 
1783  if (bitrate < 0) {
1784  snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),"bitrate=N/A");
1785  av_bprintf(&buf_script, "bitrate=N/A\n");
1786  }else{
1787  snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),"bitrate=%6.1fkbits/s", bitrate);
1788  av_bprintf(&buf_script, "bitrate=%6.1fkbits/s\n", bitrate);
1789  }
1790 
1791  if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
1792  else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1793  av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1794  av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
1795  hours, mins, secs, us);
1796 
1798  snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1800  av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1801  av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1802 
1803  if (speed < 0) {
1804  snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf)," speed=N/A");
1805  av_bprintf(&buf_script, "speed=N/A\n");
1806  } else {
1807  snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf)," speed=%4.3gx", speed);
1808  av_bprintf(&buf_script, "speed=%4.3gx\n", speed);
1809  }
1810 
1811  if (print_stats || is_last_report) {
1812  const char end = is_last_report ? '\n' : '\r';
1813  if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
1814  fprintf(stderr, "%s %c", buf, end);
1815  } else
1816  av_log(NULL, AV_LOG_INFO, "%s %c", buf, end);
1817 
1818  fflush(stderr);
1819  }
1820 
1821  if (progress_avio) {
1822  av_bprintf(&buf_script, "progress=%s\n",
1823  is_last_report ? "end" : "continue");
1824  avio_write(progress_avio, buf_script.str,
1825  FFMIN(buf_script.len, buf_script.size - 1));
1826  avio_flush(progress_avio);
1827  av_bprint_finalize(&buf_script, NULL);
1828  if (is_last_report) {
1829  if ((ret = avio_closep(&progress_avio)) < 0)
1831  "Error closing progress log, loss of information possible: %s\n", av_err2str(ret));
1832  }
1833  }
1834 
1835  if (is_last_report)
1836  print_final_stats(total_size);
1837 }
1838 
1839 static void flush_encoders(void)
1840 {
1841  int i, ret;
1842 
1843  for (i = 0; i < nb_output_streams; i++) {
1844  OutputStream *ost = output_streams[i];
1845  AVCodecContext *enc = ost->enc_ctx;
1846  OutputFile *of = output_files[ost->file_index];
1847 
1848  if (!ost->encoding_needed)
1849  continue;
1850 
1851  // Try to enable encoding with no input frames.
1852  // Maybe we should just let encoding fail instead.
1853  if (!ost->initialized) {
1854  FilterGraph *fg = ost->filter->graph;
1855  char error[1024] = "";
1856 
1858  "Finishing stream %d:%d without any data written to it.\n",
1859  ost->file_index, ost->st->index);
1860 
1861  if (ost->filter && !fg->graph) {
1862  int x;
1863  for (x = 0; x < fg->nb_inputs; x++) {
1864  InputFilter *ifilter = fg->inputs[x];
1865  if (ifilter->format < 0) {
1866  AVCodecParameters *par = ifilter->ist->st->codecpar;
1867  // We never got any input. Set a fake format, which will
1868  // come from libavformat.
1869  ifilter->format = par->format;
1870  ifilter->sample_rate = par->sample_rate;
1871  ifilter->channels = par->channels;
1872  ifilter->channel_layout = par->channel_layout;
1873  ifilter->width = par->width;
1874  ifilter->height = par->height;
1875  ifilter->sample_aspect_ratio = par->sample_aspect_ratio;
1876  }
1877  }
1878 
1880  continue;
1881 
1882  ret = configure_filtergraph(fg);
1883  if (ret < 0) {
1884  av_log(NULL, AV_LOG_ERROR, "Error configuring filter graph\n");
1885  exit_program(1);
1886  }
1887 
1888  finish_output_stream(ost);
1889  }
1890 
1891  ret = init_output_stream(ost, error, sizeof(error));
1892  if (ret < 0) {
1893  av_log(NULL, AV_LOG_ERROR, "Error initializing output stream %d:%d -- %s\n",
1894  ost->file_index, ost->index, error);
1895  exit_program(1);
1896  }
1897  }
1898 
1899  if (enc->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1900  continue;
1901 #if FF_API_LAVF_FMT_RAWPICTURE
1902  if (enc->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
1903  continue;
1904 #endif
1905 
1907  continue;
1908 
1909  for (;;) {
1910  const char *desc = NULL;
1911  AVPacket pkt;
1912  int pkt_size;
1913 
1914  switch (enc->codec_type) {
1915  case AVMEDIA_TYPE_AUDIO:
1916  desc = "audio";
1917  break;
1918  case AVMEDIA_TYPE_VIDEO:
1919  desc = "video";
1920  break;
1921  default:
1922  av_assert0(0);
1923  }
1924 
1925  av_init_packet(&pkt);
1926  pkt.data = NULL;
1927  pkt.size = 0;
1928 
1930 
1931  while ((ret = avcodec_receive_packet(enc, &pkt)) == AVERROR(EAGAIN)) {
1932  ret = avcodec_send_frame(enc, NULL);
1933  if (ret < 0) {
1934  av_log(NULL, AV_LOG_FATAL, "%s encoding failed: %s\n",
1935  desc,
1936  av_err2str(ret));
1937  exit_program(1);
1938  }
1939  }
1940 
1941  update_benchmark("flush_%s %d.%d", desc, ost->file_index, ost->index);
1942  if (ret < 0 && ret != AVERROR_EOF) {
1943  av_log(NULL, AV_LOG_FATAL, "%s encoding failed: %s\n",
1944  desc,
1945  av_err2str(ret));
1946  exit_program(1);
1947  }
1948  if (ost->logfile && enc->stats_out) {
1949  fprintf(ost->logfile, "%s", enc->stats_out);
1950  }
1951  if (ret == AVERROR_EOF) {
1952  break;
1953  }
1954  if (ost->finished & MUXER_FINISHED) {
1955  av_packet_unref(&pkt);
1956  continue;
1957  }
1958  av_packet_rescale_ts(&pkt, enc->time_base, ost->mux_timebase);
1959  pkt_size = pkt.size;
1960  output_packet(of, &pkt, ost);
1962  do_video_stats(ost, pkt_size);
1963  }
1964  }
1965  }
1966 }
1967 
1968 /*
1969  * Check whether a packet from ist should be written into ost at this time
1970  */
1972 {
1973  OutputFile *of = output_files[ost->file_index];
1974  int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1975 
1976  if (ost->source_index != ist_index)
1977  return 0;
1978 
1979  if (ost->finished)
1980  return 0;
1981 
1982  if (of->start_time != AV_NOPTS_VALUE && ist->pts < of->start_time)
1983  return 0;
1984 
1985  return 1;
1986 }
1987 
1988 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1989 {
1990  OutputFile *of = output_files[ost->file_index];
1991  InputFile *f = input_files [ist->file_index];
1992  int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1993  int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->mux_timebase);
1994  AVPicture pict;
1995  AVPacket opkt;
1996 
1997  av_init_packet(&opkt);
1998 
1999  if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
2001  return;
2002 
2003  if (!ost->frame_number && !ost->copy_prior_start) {
2004  int64_t comp_start = start_time;
2005  if (copy_ts && f->start_time != AV_NOPTS_VALUE)
2006  comp_start = FFMAX(start_time, f->start_time + f->ts_offset);
2007  if (pkt->pts == AV_NOPTS_VALUE ?
2008  ist->pts < comp_start :
2009  pkt->pts < av_rescale_q(comp_start, AV_TIME_BASE_Q, ist->st->time_base))
2010  return;
2011  }
2012 
2013  if (of->recording_time != INT64_MAX &&
2014  ist->pts >= of->recording_time + start_time) {
2015  close_output_stream(ost);
2016  return;
2017  }
2018 
2019  if (f->recording_time != INT64_MAX) {
2020  start_time = f->ctx->start_time;
2021  if (f->start_time != AV_NOPTS_VALUE && copy_ts)
2022  start_time += f->start_time;
2023  if (ist->pts >= f->recording_time + start_time) {
2024  close_output_stream(ost);
2025  return;
2026  }
2027  }
2028 
2029  /* force the input stream PTS */
2030  if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
2031  ost->sync_opts++;
2032 
2033  if (pkt->pts != AV_NOPTS_VALUE)
2034  opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->mux_timebase) - ost_tb_start_time;
2035  else
2036  opkt.pts = AV_NOPTS_VALUE;
2037 
2038  if (pkt->dts == AV_NOPTS_VALUE)
2039  opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->mux_timebase);
2040  else
2041  opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->mux_timebase);
2042  opkt.dts -= ost_tb_start_time;
2043 
2044  if (ost->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
2046  if(!duration)
2047  duration = ist->dec_ctx->frame_size;
2048  opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts,
2050  ost->mux_timebase) - ost_tb_start_time;
2051  }
2052 
2053  opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->mux_timebase);
2054 
2055  opkt.flags = pkt->flags;
2056  // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
2057  if ( ost->st->codecpar->codec_id != AV_CODEC_ID_H264
2058  && ost->st->codecpar->codec_id != AV_CODEC_ID_MPEG1VIDEO
2059  && ost->st->codecpar->codec_id != AV_CODEC_ID_MPEG2VIDEO
2060  && ost->st->codecpar->codec_id != AV_CODEC_ID_VC1
2061  ) {
2062  int ret = av_parser_change(ost->parser, ost->parser_avctx,
2063  &opkt.data, &opkt.size,
2064  pkt->data, pkt->size,
2066  if (ret < 0) {
2067  av_log(NULL, AV_LOG_FATAL, "av_parser_change failed: %s\n",
2068  av_err2str(ret));
2069  exit_program(1);
2070  }
2071  if (ret) {
2072  opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
2073  if (!opkt.buf)
2074  exit_program(1);
2075  }
2076  } else {
2077  opkt.data = pkt->data;
2078  opkt.size = pkt->size;
2079  }
2080  av_copy_packet_side_data(&opkt, pkt);
2081 
2082 #if FF_API_LAVF_FMT_RAWPICTURE
2083  if (ost->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
2084  ost->st->codecpar->codec_id == AV_CODEC_ID_RAWVIDEO &&
2085  (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
2086  /* store AVPicture in AVPacket, as expected by the output format */
2087  int ret = avpicture_fill(&pict, opkt.data, ost->st->codecpar->format, ost->st->codecpar->width, ost->st->codecpar->height);
2088  if (ret < 0) {
2089  av_log(NULL, AV_LOG_FATAL, "avpicture_fill failed: %s\n",
2090  av_err2str(ret));
2091  exit_program(1);
2092  }
2093  opkt.data = (uint8_t *)&pict;
2094  opkt.size = sizeof(AVPicture);
2095  opkt.flags |= AV_PKT_FLAG_KEY;
2096  }
2097 #endif
2098 
2099  output_packet(of, &opkt, ost);
2100 }
2101 
2103 {
2104  AVCodecContext *dec = ist->dec_ctx;
2105 
2106  if (!dec->channel_layout) {
2107  char layout_name[256];
2108 
2109  if (dec->channels > ist->guess_layout_max)
2110  return 0;
2112  if (!dec->channel_layout)
2113  return 0;
2114  av_get_channel_layout_string(layout_name, sizeof(layout_name),
2115  dec->channels, dec->channel_layout);
2116  av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
2117  "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
2118  }
2119  return 1;
2120 }
2121 
2122 static void check_decode_result(InputStream *ist, int *got_output, int ret)
2123 {
2124  if (*got_output || ret<0)
2125  decode_error_stat[ret<0] ++;
2126 
2127  if (ret < 0 && exit_on_error)
2128  exit_program(1);
2129 
2130  if (exit_on_error && *got_output && ist) {
2132  av_log(NULL, AV_LOG_FATAL, "%s: corrupt decoded frame in stream %d\n", input_files[ist->file_index]->ctx->filename, ist->st->index);
2133  exit_program(1);
2134  }
2135  }
2136 }
2137 
2138 // Filters can be configured only if the formats of all inputs are known.
2140 {
2141  int i;
2142  for (i = 0; i < fg->nb_inputs; i++) {
2143  if (fg->inputs[i]->format < 0 && (fg->inputs[i]->type == AVMEDIA_TYPE_AUDIO ||
2144  fg->inputs[i]->type == AVMEDIA_TYPE_VIDEO))
2145  return 0;
2146  }
2147  return 1;
2148 }
2149 
2151 {
2152  FilterGraph *fg = ifilter->graph;
2153  int need_reinit, ret, i;
2154 
2155  /* determine if the parameters for this input changed */
2156  need_reinit = ifilter->format != frame->format;
2157  if (!!ifilter->hw_frames_ctx != !!frame->hw_frames_ctx ||
2158  (ifilter->hw_frames_ctx && ifilter->hw_frames_ctx->data != frame->hw_frames_ctx->data))
2159  need_reinit = 1;
2160 
2161  switch (ifilter->ist->st->codecpar->codec_type) {
2162  case AVMEDIA_TYPE_AUDIO:
2163  need_reinit |= ifilter->sample_rate != frame->sample_rate ||
2164  ifilter->channels != frame->channels ||
2165  ifilter->channel_layout != frame->channel_layout;
2166  break;
2167  case AVMEDIA_TYPE_VIDEO:
2168  need_reinit |= ifilter->width != frame->width ||
2169  ifilter->height != frame->height;
2170  break;
2171  }
2172 
2173  if (need_reinit) {
2174  ret = ifilter_parameters_from_frame(ifilter, frame);
2175  if (ret < 0)
2176  return ret;
2177  }
2178 
2179  /* (re)init the graph if possible, otherwise buffer the frame and return */
2180  if (need_reinit || !fg->graph) {
2181  for (i = 0; i < fg->nb_inputs; i++) {
2182  if (!ifilter_has_all_input_formats(fg)) {
2183  AVFrame *tmp = av_frame_clone(frame);
2184  if (!tmp)
2185  return AVERROR(ENOMEM);
2186  av_frame_unref(frame);
2187 
2188  if (!av_fifo_space(ifilter->frame_queue)) {
2189  ret = av_fifo_realloc2(ifilter->frame_queue, 2 * av_fifo_size(ifilter->frame_queue));
2190  if (ret < 0) {
2191  av_frame_free(&tmp);
2192  return ret;
2193  }
2194  }
2195  av_fifo_generic_write(ifilter->frame_queue, &tmp, sizeof(tmp), NULL);
2196  return 0;
2197  }
2198  }
2199 
2200  ret = reap_filters(1);
2201  if (ret < 0 && ret != AVERROR_EOF) {
2202  char errbuf[128];
2203  av_strerror(ret, errbuf, sizeof(errbuf));
2204 
2205  av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", errbuf);
2206  return ret;
2207  }
2208 
2209  ret = configure_filtergraph(fg);
2210  if (ret < 0) {
2211  av_log(NULL, AV_LOG_ERROR, "Error reinitializing filters!\n");
2212  return ret;
2213  }
2214  }
2215 
2217  if (ret < 0) {
2218  av_log(NULL, AV_LOG_ERROR, "Error while filtering\n");
2219  return ret;
2220  }
2221 
2222  return 0;
2223 }
2224 
2225 static int ifilter_send_eof(InputFilter *ifilter)
2226 {
2227  int i, j, ret;
2228 
2229  ifilter->eof = 1;
2230 
2231  if (ifilter->filter) {
2233  if (ret < 0)
2234  return ret;
2235  } else {
2236  // the filtergraph was never configured
2237  FilterGraph *fg = ifilter->graph;
2238  for (i = 0; i < fg->nb_inputs; i++)
2239  if (!fg->inputs[i]->eof)
2240  break;
2241  if (i == fg->nb_inputs) {
2242  // All the input streams have finished without the filtergraph
2243  // ever being configured.
2244  // Mark the output streams as finished.
2245  for (j = 0; j < fg->nb_outputs; j++)
2246  finish_output_stream(fg->outputs[j]->ost);
2247  }
2248  }
2249 
2250  return 0;
2251 }
2252 
2253 // This does not quite work like avcodec_decode_audio4/avcodec_decode_video2.
2254 // There is the following difference: if you got a frame, you must call
2255 // it again with pkt=NULL. pkt==NULL is treated differently from pkt.size==0
2256 // (pkt==NULL means get more output, pkt.size==0 is a flush/drain packet)
2257 static int decode(AVCodecContext *avctx, AVFrame *frame, int *got_frame, AVPacket *pkt)
2258 {
2259  int ret;
2260 
2261  *got_frame = 0;
2262 
2263  if (pkt) {
2264  ret = avcodec_send_packet(avctx, pkt);
2265  // In particular, we don't expect AVERROR(EAGAIN), because we read all
2266  // decoded frames with avcodec_receive_frame() until done.
2267  if (ret < 0 && ret != AVERROR_EOF)
2268  return ret;
2269  }
2270 
2271  ret = avcodec_receive_frame(avctx, frame);
2272  if (ret < 0 && ret != AVERROR(EAGAIN))
2273  return ret;
2274  if (ret >= 0)
2275  *got_frame = 1;
2276 
2277  return 0;
2278 }
2279 
2280 static int send_frame_to_filters(InputStream *ist, AVFrame *decoded_frame)
2281 {
2282  int i, ret;
2283  AVFrame *f;
2284 
2285  av_assert1(ist->nb_filters > 0); /* ensure ret is initialized */
2286  for (i = 0; i < ist->nb_filters; i++) {
2287  if (i < ist->nb_filters - 1) {
2288  f = ist->filter_frame;
2289  ret = av_frame_ref(f, decoded_frame);
2290  if (ret < 0)
2291  break;
2292  } else
2293  f = decoded_frame;
2294  ret = ifilter_send_frame(ist->filters[i], f);
2295  if (ret == AVERROR_EOF)
2296  ret = 0; /* ignore */
2297  if (ret < 0) {
2299  "Failed to inject frame into filter network: %s\n", av_err2str(ret));
2300  break;
2301  }
2302  }
2303  return ret;
2304 }
2305 
2306 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output,
2307  int *decode_failed)
2308 {
2309  AVFrame *decoded_frame;
2310  AVCodecContext *avctx = ist->dec_ctx;
2311  int ret, err = 0;
2312  AVRational decoded_frame_tb;
2313 
2314  if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
2315  return AVERROR(ENOMEM);
2316  if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
2317  return AVERROR(ENOMEM);
2318  decoded_frame = ist->decoded_frame;
2319 
2321  ret = decode(avctx, decoded_frame, got_output, pkt);
2322  update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
2323  if (ret < 0)
2324  *decode_failed = 1;
2325 
2326  if (ret >= 0 && avctx->sample_rate <= 0) {
2327  av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
2328  ret = AVERROR_INVALIDDATA;
2329  }
2330 
2331  if (ret != AVERROR_EOF)
2332  check_decode_result(ist, got_output, ret);
2333 
2334  if (!*got_output || ret < 0)
2335  return ret;
2336 
2337  ist->samples_decoded += decoded_frame->nb_samples;
2338  ist->frames_decoded++;
2339 
2340 #if 1
2341  /* increment next_dts to use for the case where the input stream does not
2342  have timestamps or there are multiple frames in the packet */
2343  ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
2344  avctx->sample_rate;
2345  ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
2346  avctx->sample_rate;
2347 #endif
2348 
2349  if (decoded_frame->pts != AV_NOPTS_VALUE) {
2350  decoded_frame_tb = ist->st->time_base;
2351  } else if (pkt && pkt->pts != AV_NOPTS_VALUE) {
2352  decoded_frame->pts = pkt->pts;
2353  decoded_frame_tb = ist->st->time_base;
2354  }else {
2355  decoded_frame->pts = ist->dts;
2356  decoded_frame_tb = AV_TIME_BASE_Q;
2357  }
2358  if (decoded_frame->pts != AV_NOPTS_VALUE)
2359  decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
2360  (AVRational){1, avctx->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
2361  (AVRational){1, avctx->sample_rate});
2362  ist->nb_samples = decoded_frame->nb_samples;
2363  err = send_frame_to_filters(ist, decoded_frame);
2364 
2365  av_frame_unref(ist->filter_frame);
2366  av_frame_unref(decoded_frame);
2367  return err < 0 ? err : ret;
2368 }
2369 
2370 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output, int eof,
2371  int *decode_failed)
2372 {
2373  AVFrame *decoded_frame;
2374  int i, ret = 0, err = 0;
2375  int64_t best_effort_timestamp;
2376  int64_t dts = AV_NOPTS_VALUE;
2377  AVPacket avpkt;
2378 
2379  // With fate-indeo3-2, we're getting 0-sized packets before EOF for some
2380  // reason. This seems like a semi-critical bug. Don't trigger EOF, and
2381  // skip the packet.
2382  if (!eof && pkt && pkt->size == 0)
2383  return 0;
2384 
2385  if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
2386  return AVERROR(ENOMEM);
2387  if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
2388  return AVERROR(ENOMEM);
2389  decoded_frame = ist->decoded_frame;
2390  if (ist->dts != AV_NOPTS_VALUE)
2391  dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
2392  if (pkt) {
2393  avpkt = *pkt;
2394  avpkt.dts = dts; // ffmpeg.c probably shouldn't do this
2395  }
2396 
2397  // The old code used to set dts on the drain packet, which does not work
2398  // with the new API anymore.
2399  if (eof) {
2400  void *new = av_realloc_array(ist->dts_buffer, ist->nb_dts_buffer + 1, sizeof(ist->dts_buffer[0]));
2401  if (!new)
2402  return AVERROR(ENOMEM);
2403  ist->dts_buffer = new;
2404  ist->dts_buffer[ist->nb_dts_buffer++] = dts;
2405  }
2406 
2408  ret = decode(ist->dec_ctx, decoded_frame, got_output, pkt ? &avpkt : NULL);
2409  update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
2410  if (ret < 0)
2411  *decode_failed = 1;
2412 
2413  // The following line may be required in some cases where there is no parser
2414  // or the parser does not has_b_frames correctly
2415  if (ist->st->codecpar->video_delay < ist->dec_ctx->has_b_frames) {
2416  if (ist->dec_ctx->codec_id == AV_CODEC_ID_H264) {
2417  ist->st->codecpar->video_delay = ist->dec_ctx->has_b_frames;
2418  } else
2420  "video_delay is larger in decoder than demuxer %d > %d.\n"
2421  "If you want to help, upload a sample "
2422  "of this file to ftp://upload.ffmpeg.org/incoming/ "
2423  "and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)\n",
2424  ist->dec_ctx->has_b_frames,
2425  ist->st->codecpar->video_delay);
2426  }
2427 
2428  if (ret != AVERROR_EOF)
2429  check_decode_result(ist, got_output, ret);
2430 
2431  if (*got_output && ret >= 0) {
2432  if (ist->dec_ctx->width != decoded_frame->width ||
2433  ist->dec_ctx->height != decoded_frame->height ||
2434  ist->dec_ctx->pix_fmt != decoded_frame->format) {
2435  av_log(NULL, AV_LOG_DEBUG, "Frame parameters mismatch context %d,%d,%d != %d,%d,%d\n",
2436  decoded_frame->width,
2437  decoded_frame->height,
2438  decoded_frame->format,
2439  ist->dec_ctx->width,
2440  ist->dec_ctx->height,
2441  ist->dec_ctx->pix_fmt);
2442  }
2443  }
2444 
2445  if (!*got_output || ret < 0)
2446  return ret;
2447 
2448  if(ist->top_field_first>=0)
2449  decoded_frame->top_field_first = ist->top_field_first;
2450 
2451  ist->frames_decoded++;
2452 
2453  if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
2454  err = ist->hwaccel_retrieve_data(ist->dec_ctx, decoded_frame);
2455  if (err < 0)
2456  goto fail;
2457  }
2458  ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
2459 
2460  best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
2461 
2462  if (ist->framerate.num)
2463  best_effort_timestamp = ist->cfr_next_pts++;
2464 
2465  if (eof && best_effort_timestamp == AV_NOPTS_VALUE && ist->nb_dts_buffer > 0) {
2466  best_effort_timestamp = ist->dts_buffer[0];
2467 
2468  for (i = 0; i < ist->nb_dts_buffer - 1; i++)
2469  ist->dts_buffer[i] = ist->dts_buffer[i + 1];
2470  ist->nb_dts_buffer--;
2471  }
2472 
2473  if(best_effort_timestamp != AV_NOPTS_VALUE) {
2474  int64_t ts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
2475 
2476  if (ts != AV_NOPTS_VALUE)
2477  ist->next_pts = ist->pts = ts;
2478  }
2479 
2480  if (debug_ts) {
2481  av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
2482  "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",
2483  ist->st->index, av_ts2str(decoded_frame->pts),
2484  av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
2485  best_effort_timestamp,
2486  av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
2487  decoded_frame->key_frame, decoded_frame->pict_type,
2488  ist->st->time_base.num, ist->st->time_base.den);
2489  }
2490 
2491  if (ist->st->sample_aspect_ratio.num)
2492  decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
2493 
2494  err = send_frame_to_filters(ist, decoded_frame);
2495 
2496 fail:
2498  av_frame_unref(decoded_frame);
2499  return err < 0 ? err : ret;
2500 }
2501 
2502 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output,
2503  int *decode_failed)
2504 {
2505  AVSubtitle subtitle;
2506  int free_sub = 1;
2507  int i, ret = avcodec_decode_subtitle2(ist->dec_ctx,
2508  &subtitle, got_output, pkt);
2509 
2510  check_decode_result(NULL, got_output, ret);
2511 
2512  if (ret < 0 || !*got_output) {
2513  *decode_failed = 1;
2514  if (!pkt->size)
2515  sub2video_flush(ist);
2516  return ret;
2517  }
2518 
2519  if (ist->fix_sub_duration) {
2520  int end = 1;
2521  if (ist->prev_sub.got_output) {
2522  end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
2523  1000, AV_TIME_BASE);
2524  if (end < ist->prev_sub.subtitle.end_display_time) {
2525  av_log(ist->dec_ctx, AV_LOG_DEBUG,
2526  "Subtitle duration reduced from %"PRId32" to %d%s\n",
2528  end <= 0 ? ", dropping it" : "");
2530  }
2531  }
2532  FFSWAP(int, *got_output, ist->prev_sub.got_output);
2533  FFSWAP(int, ret, ist->prev_sub.ret);
2534  FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
2535  if (end <= 0)
2536  goto out;
2537  }
2538 
2539  if (!*got_output)
2540  return ret;
2541 
2542  if (ist->sub2video.frame) {
2543  sub2video_update(ist, &subtitle);
2544  } else if (ist->nb_filters) {
2545  if (!ist->sub2video.sub_queue)
2546  ist->sub2video.sub_queue = av_fifo_alloc(8 * sizeof(AVSubtitle));
2547  if (!ist->sub2video.sub_queue)
2548  exit_program(1);
2549  if (!av_fifo_space(ist->sub2video.sub_queue)) {
2551  if (ret < 0)
2552  exit_program(1);
2553  }
2554  av_fifo_generic_write(ist->sub2video.sub_queue, &subtitle, sizeof(subtitle), NULL);
2555  free_sub = 0;
2556  }
2557 
2558  if (!subtitle.num_rects)
2559  goto out;
2560 
2561  ist->frames_decoded++;
2562 
2563  for (i = 0; i < nb_output_streams; i++) {
2564  OutputStream *ost = output_streams[i];
2565 
2566  if (!check_output_constraints(ist, ost) || !ost->encoding_needed
2567  || ost->enc->type != AVMEDIA_TYPE_SUBTITLE)
2568  continue;
2569 
2570  do_subtitle_out(output_files[ost->file_index], ost, &subtitle);
2571  }
2572 
2573 out:
2574  if (free_sub)
2575  avsubtitle_free(&subtitle);
2576  return ret;
2577 }
2578 
2580 {
2581  int i, ret;
2582  for (i = 0; i < ist->nb_filters; i++) {
2583  ret = ifilter_send_eof(ist->filters[i]);
2584  if (ret < 0)
2585  return ret;
2586  }
2587  return 0;
2588 }
2589 
2590 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2591 static int process_input_packet(InputStream *ist, const AVPacket *pkt, int no_eof)
2592 {
2593  int ret = 0, i;
2594  int repeating = 0;
2595  int eof_reached = 0;
2596 
2597  AVPacket avpkt;
2598  if (!ist->saw_first_ts) {
2599  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;
2600  ist->pts = 0;
2601  if (pkt && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
2602  ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2603  ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
2604  }
2605  ist->saw_first_ts = 1;
2606  }
2607 
2608  if (ist->next_dts == AV_NOPTS_VALUE)
2609  ist->next_dts = ist->dts;
2610  if (ist->next_pts == AV_NOPTS_VALUE)
2611  ist->next_pts = ist->pts;
2612 
2613  if (!pkt) {
2614  /* EOF handling */
2615  av_init_packet(&avpkt);
2616  avpkt.data = NULL;
2617  avpkt.size = 0;
2618  } else {
2619  avpkt = *pkt;
2620  }
2621 
2622  if (pkt && pkt->dts != AV_NOPTS_VALUE) {
2623  ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2624  if (ist->dec_ctx->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2625  ist->next_pts = ist->pts = ist->dts;
2626  }
2627 
2628  // while we have more to decode or while the decoder did output something on EOF
2629  while (ist->decoding_needed) {
2630  int duration = 0;
2631  int got_output = 0;
2632  int decode_failed = 0;
2633 
2634  ist->pts = ist->next_pts;
2635  ist->dts = ist->next_dts;
2636 
2637  switch (ist->dec_ctx->codec_type) {
2638  case AVMEDIA_TYPE_AUDIO:
2639  ret = decode_audio (ist, repeating ? NULL : &avpkt, &got_output,
2640  &decode_failed);
2641  break;
2642  case AVMEDIA_TYPE_VIDEO:
2643  ret = decode_video (ist, repeating ? NULL : &avpkt, &got_output, !pkt,
2644  &decode_failed);
2645  if (!repeating || !pkt || got_output) {
2646  if (pkt && pkt->duration) {
2647  duration = av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2648  } else if(ist->dec_ctx->framerate.num != 0 && ist->dec_ctx->framerate.den != 0) {
2650  duration = ((int64_t)AV_TIME_BASE *
2651  ist->dec_ctx->framerate.den * ticks) /
2653  }
2654 
2655  if(ist->dts != AV_NOPTS_VALUE && duration) {
2656  ist->next_dts += duration;
2657  }else
2658  ist->next_dts = AV_NOPTS_VALUE;
2659  }
2660 
2661  if (got_output)
2662  ist->next_pts += duration; //FIXME the duration is not correct in some cases
2663  break;
2664  case AVMEDIA_TYPE_SUBTITLE:
2665  if (repeating)
2666  break;
2667  ret = transcode_subtitles(ist, &avpkt, &got_output, &decode_failed);
2668  if (!pkt && ret >= 0)
2669  ret = AVERROR_EOF;
2670  break;
2671  default:
2672  return -1;
2673  }
2674 
2675  if (ret == AVERROR_EOF) {
2676  eof_reached = 1;
2677  break;
2678  }
2679 
2680  if (ret < 0) {
2681  if (decode_failed) {
2682  av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
2683  ist->file_index, ist->st->index, av_err2str(ret));
2684  } else {
2685  av_log(NULL, AV_LOG_FATAL, "Error while processing the decoded "
2686  "data for stream #%d:%d\n", ist->file_index, ist->st->index);
2687  }
2688  if (!decode_failed || exit_on_error)
2689  exit_program(1);
2690  break;
2691  }
2692 
2693  if (got_output)
2694  ist->got_output = 1;
2695 
2696  if (!got_output)
2697  break;
2698 
2699  // During draining, we might get multiple output frames in this loop.
2700  // ffmpeg.c does not drain the filter chain on configuration changes,
2701  // which means if we send multiple frames at once to the filters, and
2702  // one of those frames changes configuration, the buffered frames will
2703  // be lost. This can upset certain FATE tests.
2704  // Decode only 1 frame per call on EOF to appease these FATE tests.
2705  // The ideal solution would be to rewrite decoding to use the new
2706  // decoding API in a better way.
2707  if (!pkt)
2708  break;
2709 
2710  repeating = 1;
2711  }
2712 
2713  /* after flushing, send an EOF on all the filter inputs attached to the stream */
2714  /* except when looping we need to flush but not to send an EOF */
2715  if (!pkt && ist->decoding_needed && eof_reached && !no_eof) {
2716  int ret = send_filter_eof(ist);
2717  if (ret < 0) {
2718  av_log(NULL, AV_LOG_FATAL, "Error marking filters as finished\n");
2719  exit_program(1);
2720  }
2721  }
2722 
2723  /* handle stream copy */
2724  if (!ist->decoding_needed) {
2725  ist->dts = ist->next_dts;
2726  switch (ist->dec_ctx->codec_type) {
2727  case AVMEDIA_TYPE_AUDIO:
2728  ist->next_dts += ((int64_t)AV_TIME_BASE * ist->dec_ctx->frame_size) /
2729  ist->dec_ctx->sample_rate;
2730  break;
2731  case AVMEDIA_TYPE_VIDEO:
2732  if (ist->framerate.num) {
2733  // TODO: Remove work-around for c99-to-c89 issue 7
2734  AVRational time_base_q = AV_TIME_BASE_Q;
2735  int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
2736  ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
2737  } else if (pkt->duration) {
2738  ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2739  } else if(ist->dec_ctx->framerate.num != 0) {
2740  int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict + 1 : ist->dec_ctx->ticks_per_frame;
2741  ist->next_dts += ((int64_t)AV_TIME_BASE *
2742  ist->dec_ctx->framerate.den * ticks) /
2744  }
2745  break;
2746  }
2747  ist->pts = ist->dts;
2748  ist->next_pts = ist->next_dts;
2749  }
2750  for (i = 0; pkt && i < nb_output_streams; i++) {
2751  OutputStream *ost = output_streams[i];
2752 
2753  if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2754  continue;
2755 
2756  do_streamcopy(ist, ost, pkt);
2757  }
2758 
2759  return !eof_reached;
2760 }
2761 
2762 static void print_sdp(void)
2763 {
2764  char sdp[16384];
2765  int i;
2766  int j;
2767  AVIOContext *sdp_pb;
2768  AVFormatContext **avc;
2769 
2770  for (i = 0; i < nb_output_files; i++) {
2771  if (!output_files[i]->header_written)
2772  return;
2773  }
2774 
2775  avc = av_malloc_array(nb_output_files, sizeof(*avc));
2776  if (!avc)
2777  exit_program(1);
2778  for (i = 0, j = 0; i < nb_output_files; i++) {
2779  if (!strcmp(output_files[i]->ctx->oformat->name, "rtp")) {
2780  avc[j] = output_files[i]->ctx;
2781  j++;
2782  }
2783  }
2784 
2785  if (!j)
2786  goto fail;
2787 
2788  av_sdp_create(avc, j, sdp, sizeof(sdp));
2789 
2790  if (!sdp_filename) {
2791  printf("SDP:\n%s\n", sdp);
2792  fflush(stdout);
2793  } else {
2794  if (avio_open2(&sdp_pb, sdp_filename, AVIO_FLAG_WRITE, &int_cb, NULL) < 0) {
2795  av_log(NULL, AV_LOG_ERROR, "Failed to open sdp file '%s'\n", sdp_filename);
2796  } else {
2797  avio_printf(sdp_pb, "SDP:\n%s", sdp);
2798  avio_closep(&sdp_pb);
2800  }
2801  }
2802 
2803 fail:
2804  av_freep(&avc);
2805 }
2806 
2808 {
2809  int i;
2810  for (i = 0; hwaccels[i].name; i++)
2811  if (hwaccels[i].pix_fmt == pix_fmt)
2812  return &hwaccels[i];
2813  return NULL;
2814 }
2815 
2817 {
2818  InputStream *ist = s->opaque;
2819  const enum AVPixelFormat *p;
2820  int ret;
2821 
2822  for (p = pix_fmts; *p != -1; p++) {
2824  const HWAccel *hwaccel;
2825 
2826  if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
2827  break;
2828 
2829  hwaccel = get_hwaccel(*p);
2830  if (!hwaccel ||
2831  (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
2832  (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
2833  continue;
2834 
2835  ret = hwaccel->init(s);
2836  if (ret < 0) {
2837  if (ist->hwaccel_id == hwaccel->id) {
2839  "%s hwaccel requested for input stream #%d:%d, "
2840  "but cannot be initialized.\n", hwaccel->name,
2841  ist->file_index, ist->st->index);
2842  return AV_PIX_FMT_NONE;
2843  }
2844  continue;
2845  }
2846 
2847  if (ist->hw_frames_ctx) {
2849  if (!s->hw_frames_ctx)
2850  return AV_PIX_FMT_NONE;
2851  }
2852 
2853  ist->active_hwaccel_id = hwaccel->id;
2854  ist->hwaccel_pix_fmt = *p;
2855  break;
2856  }
2857 
2858  return *p;
2859 }
2860 
2862 {
2863  InputStream *ist = s->opaque;
2864 
2865  if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
2866  return ist->hwaccel_get_buffer(s, frame, flags);
2867 
2868  return avcodec_default_get_buffer2(s, frame, flags);
2869 }
2870 
2871 static int init_input_stream(int ist_index, char *error, int error_len)
2872 {
2873  int ret;
2874  InputStream *ist = input_streams[ist_index];
2875 
2876  if (ist->decoding_needed) {
2877  AVCodec *codec = ist->dec;
2878  if (!codec) {
2879  snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2880  avcodec_get_name(ist->dec_ctx->codec_id), ist->file_index, ist->st->index);
2881  return AVERROR(EINVAL);
2882  }
2883 
2884  ist->dec_ctx->opaque = ist;
2885  ist->dec_ctx->get_format = get_format;
2886  ist->dec_ctx->get_buffer2 = get_buffer;
2887  ist->dec_ctx->thread_safe_callbacks = 1;
2888 
2889  av_opt_set_int(ist->dec_ctx, "refcounted_frames", 1, 0);
2890  if (ist->dec_ctx->codec_id == AV_CODEC_ID_DVB_SUBTITLE &&
2891  (ist->decoding_needed & DECODING_FOR_OST)) {
2892  av_dict_set(&ist->decoder_opts, "compute_edt", "1", AV_DICT_DONT_OVERWRITE);
2894  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");
2895  }
2896 
2897  av_dict_set(&ist->decoder_opts, "sub_text_format", "ass", AV_DICT_DONT_OVERWRITE);
2898 
2899  /* Useful for subtitles retiming by lavf (FIXME), skipping samples in
2900  * audio, and video decoders such as cuvid or mediacodec */
2902 
2903  if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0))
2904  av_dict_set(&ist->decoder_opts, "threads", "auto", 0);
2905  if ((ret = avcodec_open2(ist->dec_ctx, codec, &ist->decoder_opts)) < 0) {
2906  if (ret == AVERROR_EXPERIMENTAL)
2907  abort_codec_experimental(codec, 0);
2908 
2909  snprintf(error, error_len,
2910  "Error while opening decoder for input stream "
2911  "#%d:%d : %s",
2912  ist->file_index, ist->st->index, av_err2str(ret));
2913  return ret;
2914  }
2916  }
2917 
2918  ist->next_pts = AV_NOPTS_VALUE;
2919  ist->next_dts = AV_NOPTS_VALUE;
2920 
2921  return 0;
2922 }
2923 
2925 {
2926  if (ost->source_index >= 0)
2927  return input_streams[ost->source_index];
2928  return NULL;
2929 }
2930 
2931 static int compare_int64(const void *a, const void *b)
2932 {
2933  return FFDIFFSIGN(*(const int64_t *)a, *(const int64_t *)b);
2934 }
2935 
2936 /* open the muxer when all the streams are initialized */
2937 static int check_init_output_file(OutputFile *of, int file_index)
2938 {
2939  int ret, i;
2940 
2941  for (i = 0; i < of->ctx->nb_streams; i++) {
2942  OutputStream *ost = output_streams[of->ost_index + i];
2943  if (!ost->initialized)
2944  return 0;
2945  }
2946 
2947  of->ctx->interrupt_callback = int_cb;
2948 
2949  ret = avformat_write_header(of->ctx, &of->opts);
2950  if (ret < 0) {
2952  "Could not write header for output file #%d "
2953  "(incorrect codec parameters ?): %s\n",
2954  file_index, av_err2str(ret));
2955  return ret;
2956  }
2957  //assert_avoptions(of->opts);
2958  of->header_written = 1;
2959 
2960  av_dump_format(of->ctx, file_index, of->ctx->filename, 1);
2961 
2962  if (sdp_filename || want_sdp)
2963  print_sdp();
2964 
2965  /* flush the muxing queues */
2966  for (i = 0; i < of->ctx->nb_streams; i++) {
2967  OutputStream *ost = output_streams[of->ost_index + i];
2968 
2969  /* try to improve muxing time_base (only possible if nothing has been written yet) */
2970  if (!av_fifo_size(ost->muxing_queue))
2971  ost->mux_timebase = ost->st->time_base;
2972 
2973  while (av_fifo_size(ost->muxing_queue)) {
2974  AVPacket pkt;
2975  av_fifo_generic_read(ost->muxing_queue, &pkt, sizeof(pkt), NULL);
2976  write_packet(of, &pkt, ost, 1);
2977  }
2978  }
2979 
2980  return 0;
2981 }
2982 
2984 {
2985  AVBSFContext *ctx;
2986  int i, ret;
2987 
2988  if (!ost->nb_bitstream_filters)
2989  return 0;
2990 
2991  for (i = 0; i < ost->nb_bitstream_filters; i++) {
2992  ctx = ost->bsf_ctx[i];
2993 
2994  ret = avcodec_parameters_copy(ctx->par_in,
2995  i ? ost->bsf_ctx[i - 1]->par_out : ost->st->codecpar);
2996  if (ret < 0)
2997  return ret;
2998 
2999  ctx->time_base_in = i ? ost->bsf_ctx[i - 1]->time_base_out : ost->st->time_base;
3000 
3001  ret = av_bsf_init(ctx);
3002  if (ret < 0) {
3003  av_log(NULL, AV_LOG_ERROR, "Error initializing bitstream filter: %s\n",
3004  ost->bsf_ctx[i]->filter->name);
3005  return ret;
3006  }
3007  }
3008 
3009  ctx = ost->bsf_ctx[ost->nb_bitstream_filters - 1];
3010  ret = avcodec_parameters_copy(ost->st->codecpar, ctx->par_out);
3011  if (ret < 0)
3012  return ret;
3013 
3014  ost->st->time_base = ctx->time_base_out;
3015 
3016  return 0;
3017 }
3018 
3020 {
3021  OutputFile *of = output_files[ost->file_index];
3022  InputStream *ist = get_input_stream(ost);
3023  AVCodecParameters *par_dst = ost->st->codecpar;
3024  AVCodecParameters *par_src = ost->ref_par;
3025  AVRational sar;
3026  int i, ret;
3027  uint32_t codec_tag = par_dst->codec_tag;
3028 
3029  av_assert0(ist && !ost->filter);
3030 
3031  ret = avcodec_parameters_to_context(ost->enc_ctx, ist->st->codecpar);
3032  if (ret >= 0)
3033  ret = av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts);
3034  if (ret < 0) {
3036  "Error setting up codec context options.\n");
3037  return ret;
3038  }
3040 
3041  if (!codec_tag) {
3042  unsigned int codec_tag_tmp;
3043  if (!of->ctx->oformat->codec_tag ||
3044  av_codec_get_id (of->ctx->oformat->codec_tag, par_src->codec_tag) == par_src->codec_id ||
3045  !av_codec_get_tag2(of->ctx->oformat->codec_tag, par_src->codec_id, &codec_tag_tmp))
3046  codec_tag = par_src->codec_tag;
3047  }
3048 
3049  ret = avcodec_parameters_copy(par_dst, par_src);
3050  if (ret < 0)
3051  return ret;
3052 
3053  par_dst->codec_tag = codec_tag;
3054 
3055  if (!ost->frame_rate.num)
3056  ost->frame_rate = ist->framerate;
3057  ost->st->avg_frame_rate = ost->frame_rate;
3058 
3060  if (ret < 0)
3061  return ret;
3062 
3063  // copy timebase while removing common factors
3064  if (ost->st->time_base.num <= 0 || ost->st->time_base.den <= 0)
3066 
3067  // copy estimated duration as a hint to the muxer
3068  if (ost->st->duration <= 0 && ist->st->duration > 0)
3069  ost->st->duration = av_rescale_q(ist->st->duration, ist->st->time_base, ost->st->time_base);
3070 
3071  // copy disposition
3072  ost->st->disposition = ist->st->disposition;
3073 
3074  if (ist->st->nb_side_data) {
3075  ost->st->side_data = av_realloc_array(NULL, ist->st->nb_side_data,
3076  sizeof(*ist->st->side_data));
3077  if (!ost->st->side_data)
3078  return AVERROR(ENOMEM);
3079 
3080  ost->st->nb_side_data = 0;
3081  for (i = 0; i < ist->st->nb_side_data; i++) {
3082  const AVPacketSideData *sd_src = &ist->st->side_data[i];
3083  AVPacketSideData *sd_dst = &ost->st->side_data[ost->st->nb_side_data];
3084 
3085  sd_dst->data = av_malloc(sd_src->size);
3086  if (!sd_dst->data)
3087  return AVERROR(ENOMEM);
3088  memcpy(sd_dst->data, sd_src->data, sd_src->size);
3089  sd_dst->size = sd_src->size;
3090  sd_dst->type = sd_src->type;
3091  ost->st->nb_side_data++;
3092  }
3093  }
3094 
3095  if (ost->rotate_overridden) {
3097  sizeof(int32_t) * 9);
3098  if (sd)
3099  av_display_rotation_set((int32_t *)sd, -ost->rotate_override_value);
3100  }
3101 
3102  ost->parser = av_parser_init(par_dst->codec_id);
3103  ost->parser_avctx = avcodec_alloc_context3(NULL);
3104  if (!ost->parser_avctx)
3105  return AVERROR(ENOMEM);
3106 
3107  switch (par_dst->codec_type) {
3108  case AVMEDIA_TYPE_AUDIO:
3109  if (audio_volume != 256) {
3110  av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
3111  exit_program(1);
3112  }
3113  if((par_dst->block_align == 1 || par_dst->block_align == 1152 || par_dst->block_align == 576) && par_dst->codec_id == AV_CODEC_ID_MP3)
3114  par_dst->block_align= 0;
3115  if(par_dst->codec_id == AV_CODEC_ID_AC3)
3116  par_dst->block_align= 0;
3117  break;
3118  case AVMEDIA_TYPE_VIDEO:
3119  if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option
3120  sar =
3121  av_mul_q(ost->frame_aspect_ratio,
3122  (AVRational){ par_dst->height, par_dst->width });
3123  av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio "
3124  "with stream copy may produce invalid files\n");
3125  }
3126  else if (ist->st->sample_aspect_ratio.num)
3127  sar = ist->st->sample_aspect_ratio;
3128  else
3129  sar = par_src->sample_aspect_ratio;
3130  ost->st->sample_aspect_ratio = par_dst->sample_aspect_ratio = sar;
3131  ost->st->avg_frame_rate = ist->st->avg_frame_rate;
3132  ost->st->r_frame_rate = ist->st->r_frame_rate;
3133  break;
3134  }
3135 
3136  ost->mux_timebase = ist->st->time_base;
3137 
3138  return 0;
3139 }
3140 
3142 {
3143  AVDictionaryEntry *e;
3144 
3145  uint8_t *encoder_string;
3146  int encoder_string_len;
3147  int format_flags = 0;
3148  int codec_flags = 0;
3149 
3150  if (av_dict_get(ost->st->metadata, "encoder", NULL, 0))
3151  return;
3152 
3153  e = av_dict_get(of->opts, "fflags", NULL, 0);
3154  if (e) {
3155  const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0);
3156  if (!o)
3157  return;
3158  av_opt_eval_flags(of->ctx, o, e->value, &format_flags);
3159  }
3160  e = av_dict_get(ost->encoder_opts, "flags", NULL, 0);
3161  if (e) {
3162  const AVOption *o = av_opt_find(ost->enc_ctx, "flags", NULL, 0, 0);
3163  if (!o)
3164  return;
3165  av_opt_eval_flags(ost->enc_ctx, o, e->value, &codec_flags);
3166  }
3167 
3168  encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2;
3169  encoder_string = av_mallocz(encoder_string_len);
3170  if (!encoder_string)
3171  exit_program(1);
3172 
3173  if (!(format_flags & AVFMT_FLAG_BITEXACT) && !(codec_flags & AV_CODEC_FLAG_BITEXACT))
3174  av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
3175  else
3176  av_strlcpy(encoder_string, "Lavc ", encoder_string_len);
3177  av_strlcat(encoder_string, ost->enc->name, encoder_string_len);
3178  av_dict_set(&ost->st->metadata, "encoder", encoder_string,
3180 }
3181 
3182 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3183  AVCodecContext *avctx)
3184 {
3185  char *p;
3186  int n = 1, i, size, index = 0;
3187  int64_t t, *pts;
3188 
3189  for (p = kf; *p; p++)
3190  if (*p == ',')
3191  n++;
3192  size = n;
3193  pts = av_malloc_array(size, sizeof(*pts));
3194  if (!pts) {
3195  av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3196  exit_program(1);
3197  }
3198 
3199  p = kf;
3200  for (i = 0; i < n; i++) {
3201  char *next = strchr(p, ',');
3202 
3203  if (next)
3204  *next++ = 0;
3205 
3206  if (!memcmp(p, "chapters", 8)) {
3207 
3208  AVFormatContext *avf = output_files[ost->file_index]->ctx;
3209  int j;
3210 
3211  if (avf->nb_chapters > INT_MAX - size ||
3212  !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
3213  sizeof(*pts)))) {
3215  "Could not allocate forced key frames array.\n");
3216  exit_program(1);
3217  }
3218  t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
3219  t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3220 
3221  for (j = 0; j < avf->nb_chapters; j++) {
3222  AVChapter *c = avf->chapters[j];
3223  av_assert1(index < size);
3224  pts[index++] = av_rescale_q(c->start, c->time_base,
3225  avctx->time_base) + t;
3226  }
3227 
3228  } else {
3229 
3230  t = parse_time_or_die("force_key_frames", p, 1);
3231  av_assert1(index < size);
3232  pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3233 
3234  }
3235 
3236  p = next;
3237  }
3238 
3239  av_assert0(index == size);
3240  qsort(pts, size, sizeof(*pts), compare_int64);
3241  ost->forced_kf_count = size;
3242  ost->forced_kf_pts = pts;
3243 }
3244 
3246 {
3247  InputStream *ist = get_input_stream(ost);
3248  AVCodecContext *enc_ctx = ost->enc_ctx;
3250  AVFormatContext *oc = output_files[ost->file_index]->ctx;
3251  int j, ret;
3252 
3253  set_encoder_id(output_files[ost->file_index], ost);
3254 
3255  // Muxers use AV_PKT_DATA_DISPLAYMATRIX to signal rotation. On the other
3256  // hand, the legacy API makes demuxers set "rotate" metadata entries,
3257  // which have to be filtered out to prevent leaking them to output files.
3258  av_dict_set(&ost->st->metadata, "rotate", NULL, 0);
3259 
3260  if (ist) {
3261  ost->st->disposition = ist->st->disposition;
3262 
3263  dec_ctx = ist->dec_ctx;
3264 
3265  enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
3266  } else {
3267  for (j = 0; j < oc->nb_streams; j++) {
3268  AVStream *st = oc->streams[j];
3269  if (st != ost->st && st->codecpar->codec_type == ost->st->codecpar->codec_type)
3270  break;
3271  }
3272  if (j == oc->nb_streams)
3273  if (ost->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO ||
3276  }
3277 
3278  if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO) {
3279  if (!ost->frame_rate.num)
3281  if (ist && !ost->frame_rate.num)
3282  ost->frame_rate = ist->framerate;
3283  if (ist && !ost->frame_rate.num)
3284  ost->frame_rate = ist->st->r_frame_rate;
3285  if (ist && !ost->frame_rate.num) {
3286  ost->frame_rate = (AVRational){25, 1};
3288  "No information "
3289  "about the input framerate is available. Falling "
3290  "back to a default value of 25fps for output stream #%d:%d. Use the -r option "
3291  "if you want a different framerate.\n",
3292  ost->file_index, ost->index);
3293  }
3294 // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
3295  if (ost->enc->supported_framerates && !ost->force_fps) {
3296  int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
3297  ost->frame_rate = ost->enc->supported_framerates[idx];
3298  }
3299  // reduce frame rate for mpeg4 to be within the spec limits
3300  if (enc_ctx->codec_id == AV_CODEC_ID_MPEG4) {
3301  av_reduce(&ost->frame_rate.num, &ost->frame_rate.den,
3302  ost->frame_rate.num, ost->frame_rate.den, 65535);
3303  }
3304  }
3305 
3306  switch (enc_ctx->codec_type) {
3307  case AVMEDIA_TYPE_AUDIO:
3309  if (dec_ctx)
3310  enc_ctx->bits_per_raw_sample = FFMIN(dec_ctx->bits_per_raw_sample,
3311  av_get_bytes_per_sample(enc_ctx->sample_fmt) << 3);
3315  enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
3316  break;
3317  case AVMEDIA_TYPE_VIDEO:
3318  enc_ctx->time_base = av_inv_q(ost->frame_rate);
3319  if (!(enc_ctx->time_base.num && enc_ctx->time_base.den))
3321  if ( av_q2d(enc_ctx->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
3323  av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
3324  "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
3325  }
3326  for (j = 0; j < ost->forced_kf_count; j++)
3327  ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
3329  enc_ctx->time_base);
3330 
3331  enc_ctx->width = av_buffersink_get_w(ost->filter->filter);
3332  enc_ctx->height = av_buffersink_get_h(ost->filter->filter);
3333  enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
3334  ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
3335  av_mul_q(ost->frame_aspect_ratio, (AVRational){ enc_ctx->height, enc_ctx->width }) :
3337  if (!strncmp(ost->enc->name, "libx264", 7) &&
3338  enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
3341  "No pixel format specified, %s for H.264 encoding chosen.\n"
3342  "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
3344  if (!strncmp(ost->enc->name, "mpeg2video", 10) &&
3345  enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
3348  "No pixel format specified, %s for MPEG-2 encoding chosen.\n"
3349  "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
3351  enc_ctx->pix_fmt = av_buffersink_get_format(ost->filter->filter);
3352  if (dec_ctx)
3353  enc_ctx->bits_per_raw_sample = FFMIN(dec_ctx->bits_per_raw_sample,
3354  av_pix_fmt_desc_get(enc_ctx->pix_fmt)->comp[0].depth);
3355 
3356  enc_ctx->framerate = ost->frame_rate;
3357 
3358  ost->st->avg_frame_rate = ost->frame_rate;
3359 
3360  if (!dec_ctx ||
3361  enc_ctx->width != dec_ctx->width ||
3362  enc_ctx->height != dec_ctx->height ||
3363  enc_ctx->pix_fmt != dec_ctx->pix_fmt) {
3365  }
3366 
3367  if (ost->forced_keyframes) {
3368  if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
3371  if (ret < 0) {
3373  "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
3374  return ret;
3375  }
3380 
3381  // Don't parse the 'forced_keyframes' in case of 'keep-source-keyframes',
3382  // parse it only for static kf timings
3383  } else if(strncmp(ost->forced_keyframes, "source", 6)) {
3385  }
3386  }
3387  break;
3388  case AVMEDIA_TYPE_SUBTITLE:
3389  enc_ctx->time_base = AV_TIME_BASE_Q;
3390  if (!enc_ctx->width) {
3391  enc_ctx->width = input_streams[ost->source_index]->st->codecpar->width;
3392  enc_ctx->height = input_streams[ost->source_index]->st->codecpar->height;
3393  }
3394  break;
3395  case AVMEDIA_TYPE_DATA:
3396  break;
3397  default:
3398  abort();
3399  break;
3400  }
3401 
3402  ost->mux_timebase = enc_ctx->time_base;
3403 
3404  return 0;
3405 }
3406 
3407 static int init_output_stream(OutputStream *ost, char *error, int error_len)
3408 {
3409  int ret = 0;
3410 
3411  if (ost->encoding_needed) {
3412  AVCodec *codec = ost->enc;
3413  AVCodecContext *dec = NULL;
3414  InputStream *ist;
3415 
3416  ret = init_output_stream_encode(ost);
3417  if (ret < 0)
3418  return ret;
3419 
3420  if ((ist = get_input_stream(ost)))
3421  dec = ist->dec_ctx;
3422  if (dec && dec->subtitle_header) {
3423  /* ASS code assumes this buffer is null terminated so add extra byte. */
3425  if (!ost->enc_ctx->subtitle_header)
3426  return AVERROR(ENOMEM);
3427  memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
3429  }
3430  if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
3431  av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
3432  if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
3433  !codec->defaults &&
3434  !av_dict_get(ost->encoder_opts, "b", NULL, 0) &&
3435  !av_dict_get(ost->encoder_opts, "ab", NULL, 0))
3436  av_dict_set(&ost->encoder_opts, "b", "128000", 0);
3437 
3438  if (ost->filter && av_buffersink_get_hw_frames_ctx(ost->filter->filter) &&
3442  if (!ost->enc_ctx->hw_frames_ctx)
3443  return AVERROR(ENOMEM);
3444  }
3445 
3446  if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
3447  if (ret == AVERROR_EXPERIMENTAL)
3448  abort_codec_experimental(codec, 1);
3449  snprintf(error, error_len,
3450  "Error while opening encoder for output stream #%d:%d - "
3451  "maybe incorrect parameters such as bit_rate, rate, width or height",
3452  ost->file_index, ost->index);
3453  return ret;
3454  }
3455  if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
3456  !(ost->enc->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE))
3458  ost->enc_ctx->frame_size);
3460  if (ost->enc_ctx->bit_rate && ost->enc_ctx->bit_rate < 1000)
3461  av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
3462  " It takes bits/s as argument, not kbits/s\n");
3463 
3465  if (ret < 0) {
3467  "Error initializing the output stream codec context.\n");
3468  exit_program(1);
3469  }
3470  /*
3471  * FIXME: ost->st->codec should't be needed here anymore.
3472  */
3473  ret = avcodec_copy_context(ost->st->codec, ost->enc_ctx);
3474  if (ret < 0)
3475  return ret;
3476 
3477  if (ost->enc_ctx->nb_coded_side_data) {
3478  int i;
3479 
3481  sizeof(*ost->st->side_data));
3482  if (!ost->st->side_data)
3483  return AVERROR(ENOMEM);
3484 
3485  for (i = 0; i < ost->enc_ctx->nb_coded_side_data; i++) {
3486  const AVPacketSideData *sd_src = &ost->enc_ctx->coded_side_data[i];
3487  AVPacketSideData *sd_dst = &ost->st->side_data[i];
3488 
3489  sd_dst->data = av_malloc(sd_src->size);
3490  if (!sd_dst->data)
3491  return AVERROR(ENOMEM);
3492  memcpy(sd_dst->data, sd_src->data, sd_src->size);
3493  sd_dst->size = sd_src->size;
3494  sd_dst->type = sd_src->type;
3495  ost->st->nb_side_data++;
3496  }
3497  }
3498 
3499  /*
3500  * Add global input side data. For now this is naive, and copies it
3501  * from the input stream's global side data. All side data should
3502  * really be funneled over AVFrame and libavfilter, then added back to
3503  * packet side data, and then potentially using the first packet for
3504  * global side data.
3505  */
3506  if (ist) {
3507  int i;
3508  for (i = 0; i < ist->st->nb_side_data; i++) {
3509  AVPacketSideData *sd = &ist->st->side_data[i];
3510  uint8_t *dst = av_stream_new_side_data(ost->st, sd->type, sd->size);
3511  if (!dst)
3512  return AVERROR(ENOMEM);
3513  memcpy(dst, sd->data, sd->size);
3514  if (ist->autorotate && sd->type == AV_PKT_DATA_DISPLAYMATRIX)
3515  av_display_rotation_set((uint32_t *)dst, 0);
3516  }
3517  }
3518 
3519  // copy timebase while removing common factors
3520  if (ost->st->time_base.num <= 0 || ost->st->time_base.den <= 0)
3521  ost->st->time_base = av_add_q(ost->enc_ctx->time_base, (AVRational){0, 1});
3522 
3523  // copy estimated duration as a hint to the muxer
3524  if (ost->st->duration <= 0 && ist && ist->st->duration > 0)
3525  ost->st->duration = av_rescale_q(ist->st->duration, ist->st->time_base, ost->st->time_base);
3526 
3527  ost->st->codec->codec= ost->enc_ctx->codec;
3528  } else if (ost->stream_copy) {
3529  ret = init_output_stream_streamcopy(ost);
3530  if (ret < 0)
3531  return ret;
3532 
3533  /*
3534  * FIXME: will the codec context used by the parser during streamcopy
3535  * This should go away with the new parser API.
3536  */
3537  ret = avcodec_parameters_to_context(ost->parser_avctx, ost->st->codecpar);
3538  if (ret < 0)
3539  return ret;
3540  }
3541 
3542  // parse user provided disposition, and update stream values
3543  if (ost->disposition) {
3544  static const AVOption opts[] = {
3545  { "disposition" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
3546  { "default" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEFAULT }, .unit = "flags" },
3547  { "dub" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DUB }, .unit = "flags" },
3548  { "original" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ORIGINAL }, .unit = "flags" },
3549  { "comment" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_COMMENT }, .unit = "flags" },
3550  { "lyrics" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_LYRICS }, .unit = "flags" },
3551  { "karaoke" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_KARAOKE }, .unit = "flags" },
3552  { "forced" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_FORCED }, .unit = "flags" },
3553  { "hearing_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_HEARING_IMPAIRED }, .unit = "flags" },
3554  { "visual_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_VISUAL_IMPAIRED }, .unit = "flags" },
3555  { "clean_effects" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CLEAN_EFFECTS }, .unit = "flags" },
3556  { "captions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CAPTIONS }, .unit = "flags" },
3557  { "descriptions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DESCRIPTIONS }, .unit = "flags" },
3558  { "metadata" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_METADATA }, .unit = "flags" },
3559  { NULL },
3560  };
3561  static const AVClass class = {
3562  .class_name = "",
3563  .item_name = av_default_item_name,
3564  .option = opts,
3565  .version = LIBAVUTIL_VERSION_INT,
3566  };
3567  const AVClass *pclass = &class;
3568 
3569  ret = av_opt_eval_flags(&pclass, &opts[0], ost->disposition, &ost->st->disposition);
3570  if (ret < 0)
3571  return ret;
3572  }
3573 
3574  /* initialize bitstream filters for the output stream
3575  * needs to be done here, because the codec id for streamcopy is not
3576  * known until now */
3577  ret = init_output_bsfs(ost);
3578  if (ret < 0)
3579  return ret;
3580 
3581  ost->initialized = 1;
3582 
3583  ret = check_init_output_file(output_files[ost->file_index], ost->file_index);
3584  if (ret < 0)
3585  return ret;
3586 
3587  return ret;
3588 }
3589 
3590 static void report_new_stream(int input_index, AVPacket *pkt)
3591 {
3592  InputFile *file = input_files[input_index];
3593  AVStream *st = file->ctx->streams[pkt->stream_index];
3594 
3595  if (pkt->stream_index < file->nb_streams_warn)
3596  return;
3597  av_log(file->ctx, AV_LOG_WARNING,
3598  "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
3600  input_index, pkt->stream_index,
3601  pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
3602  file->nb_streams_warn = pkt->stream_index + 1;
3603 }
3604 
3605 static int transcode_init(void)
3606 {
3607  int ret = 0, i, j, k;
3608  AVFormatContext *oc;
3609  OutputStream *ost;
3610  InputStream *ist;
3611  char error[1024] = {0};
3612 
3613  for (i = 0; i < nb_filtergraphs; i++) {
3614  FilterGraph *fg = filtergraphs[i];
3615  for (j = 0; j < fg->nb_outputs; j++) {
3616  OutputFilter *ofilter = fg->outputs[j];
3617  if (!ofilter->ost || ofilter->ost->source_index >= 0)
3618  continue;
3619  if (fg->nb_inputs != 1)
3620  continue;
3621  for (k = nb_input_streams-1; k >= 0 ; k--)
3622  if (fg->inputs[0]->ist == input_streams[k])
3623  break;
3624  ofilter->ost->source_index = k;
3625  }
3626  }
3627 
3628  /* init framerate emulation */
3629  for (i = 0; i < nb_input_files; i++) {
3630  InputFile *ifile = input_files[i];
3631  if (ifile->rate_emu)
3632  for (j = 0; j < ifile->nb_streams; j++)
3633  input_streams[j + ifile->ist_index]->start = av_gettime_relative();
3634  }
3635 
3636  /* init input streams */
3637  for (i = 0; i < nb_input_streams; i++)
3638  if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
3639  for (i = 0; i < nb_output_streams; i++) {
3640  ost = output_streams[i];
3641  avcodec_close(ost->enc_ctx);
3642  }
3643  goto dump_format;
3644  }
3645 
3646  /* open each encoder */
3647  for (i = 0; i < nb_output_streams; i++) {
3648  // skip streams fed from filtergraphs until we have a frame for them
3649  if (output_streams[i]->filter)
3650  continue;
3651 
3652  ret = init_output_stream(output_streams[i], error, sizeof(error));
3653  if (ret < 0)
3654  goto dump_format;
3655  }
3656 
3657  /* discard unused programs */
3658  for (i = 0; i < nb_input_files; i++) {
3659  InputFile *ifile = input_files[i];
3660  for (j = 0; j < ifile->ctx->nb_programs; j++) {
3661  AVProgram *p = ifile->ctx->programs[j];
3662  int discard = AVDISCARD_ALL;
3663 
3664  for (k = 0; k < p->nb_stream_indexes; k++)
3665  if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
3666  discard = AVDISCARD_DEFAULT;
3667  break;
3668  }
3669  p->discard = discard;
3670  }
3671  }
3672 
3673  /* write headers for files with no streams */
3674  for (i = 0; i < nb_output_files; i++) {
3675  oc = output_files[i]->ctx;
3676  if (oc->oformat->flags & AVFMT_NOSTREAMS && oc->nb_streams == 0) {
3677  ret = check_init_output_file(output_files[i], i);
3678  if (ret < 0)
3679  goto dump_format;
3680  }
3681  }
3682 
3683  dump_format:
3684  /* dump the stream mapping */
3685  av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3686  for (i = 0; i < nb_input_streams; i++) {
3687  ist = input_streams[i];
3688 
3689  for (j = 0; j < ist->nb_filters; j++) {
3690  if (!filtergraph_is_simple(ist->filters[j]->graph)) {
3691  av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
3692  ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
3693  ist->filters[j]->name);
3694  if (nb_filtergraphs > 1)
3695  av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
3696  av_log(NULL, AV_LOG_INFO, "\n");
3697  }
3698  }
3699  }
3700 
3701  for (i = 0; i < nb_output_streams; i++) {
3702  ost = output_streams[i];
3703 
3704  if (ost->attachment_filename) {
3705  /* an attached file */
3706  av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
3707  ost->attachment_filename, ost->file_index, ost->index);
3708  continue;
3709  }
3710 
3711  if (ost->filter && !filtergraph_is_simple(ost->filter->graph)) {
3712  /* output from a complex graph */
3713  av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
3714  if (nb_filtergraphs > 1)
3715  av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
3716 
3717  av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
3718  ost->index, ost->enc ? ost->enc->name : "?");
3719  continue;
3720  }
3721 
3722  av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
3723  input_streams[ost->source_index]->file_index,
3724  input_streams[ost->source_index]->st->index,
3725  ost->file_index,
3726  ost->index);
3727  if (ost->sync_ist != input_streams[ost->source_index])
3728  av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
3729  ost->sync_ist->file_index,
3730  ost->sync_ist->st->index);
3731  if (ost->stream_copy)
3732  av_log(NULL, AV_LOG_INFO, " (copy)");
3733  else {
3734  const AVCodec *in_codec = input_streams[ost->source_index]->dec;
3735  const AVCodec *out_codec = ost->enc;
3736  const char *decoder_name = "?";
3737  const char *in_codec_name = "?";
3738  const char *encoder_name = "?";
3739  const char *out_codec_name = "?";
3740  const AVCodecDescriptor *desc;
3741 
3742  if (in_codec) {
3743  decoder_name = in_codec->name;
3744  desc = avcodec_descriptor_get(in_codec->id);
3745  if (desc)
3746  in_codec_name = desc->name;
3747  if (!strcmp(decoder_name, in_codec_name))
3748  decoder_name = "native";
3749  }
3750 
3751  if (out_codec) {
3752  encoder_name = out_codec->name;
3753  desc = avcodec_descriptor_get(out_codec->id);
3754  if (desc)
3755  out_codec_name = desc->name;
3756  if (!strcmp(encoder_name, out_codec_name))
3757  encoder_name = "native";
3758  }
3759 
3760  av_log(NULL, AV_LOG_INFO, " (%s (%s) -> %s (%s))",
3761  in_codec_name, decoder_name,
3762  out_codec_name, encoder_name);
3763  }
3764  av_log(NULL, AV_LOG_INFO, "\n");
3765  }
3766 
3767  if (ret) {
3768  av_log(NULL, AV_LOG_ERROR, "%s\n", error);
3769  return ret;
3770  }
3771 
3773 
3774  return 0;
3775 }
3776 
3777 /* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
3778 static int need_output(void)
3779 {
3780  int i;
3781 
3782  for (i = 0; i < nb_output_streams; i++) {
3783  OutputStream *ost = output_streams[i];
3784  OutputFile *of = output_files[ost->file_index];
3785  AVFormatContext *os = output_files[ost->file_index]->ctx;
3786 
3787  if (ost->finished ||
3788  (os->pb && avio_tell(os->pb) >= of->limit_filesize))
3789  continue;
3790  if (ost->frame_number >= ost->max_frames) {
3791  int j;
3792  for (j = 0; j < of->ctx->nb_streams; j++)
3793  close_output_stream(output_streams[of->ost_index + j]);
3794  continue;
3795  }
3796 
3797  return 1;
3798  }
3799 
3800  return 0;
3801 }
3802 
3803 /**
3804  * Select the output stream to process.
3805  *
3806  * @return selected output stream, or NULL if none available
3807  */
3809 {
3810  int i;
3811  int64_t opts_min = INT64_MAX;
3812  OutputStream *ost_min = NULL;
3813 
3814  for (i = 0; i < nb_output_streams; i++) {
3815  OutputStream *ost = output_streams[i];
3816  int64_t opts = ost->st->cur_dts == AV_NOPTS_VALUE ? INT64_MIN :
3817  av_rescale_q(ost->st->cur_dts, ost->st->time_base,
3818  AV_TIME_BASE_Q);
3819  if (ost->st->cur_dts == AV_NOPTS_VALUE)
3820  av_log(NULL, AV_LOG_DEBUG, "cur_dts is invalid (this is harmless if it occurs once at the start per stream)\n");
3821 
3822  if (!ost->initialized && !ost->inputs_done)
3823  return ost;
3824 
3825  if (!ost->finished && opts < opts_min) {
3826  opts_min = opts;
3827  ost_min = ost->unavailable ? NULL : ost;
3828  }
3829  }
3830  return ost_min;
3831 }
3832 
3833 static void set_tty_echo(int on)
3834 {
3835 #if HAVE_TERMIOS_H
3836  struct termios tty;
3837  if (tcgetattr(0, &tty) == 0) {
3838  if (on) tty.c_lflag |= ECHO;
3839  else tty.c_lflag &= ~ECHO;
3840  tcsetattr(0, TCSANOW, &tty);
3841  }
3842 #endif
3843 }
3844 
3846 {
3847  int i, ret, key;
3848  static int64_t last_time;
3849  if (received_nb_signals)
3850  return AVERROR_EXIT;
3851  /* read_key() returns 0 on EOF */
3852  if(cur_time - last_time >= 100000 && !run_as_daemon){
3853  key = read_key();
3854  last_time = cur_time;
3855  }else
3856  key = -1;
3857  if (key == 'q')
3858  return AVERROR_EXIT;
3859  if (key == '+') av_log_set_level(av_log_get_level()+10);
3860  if (key == '-') av_log_set_level(av_log_get_level()-10);
3861  if (key == 's') qp_hist ^= 1;
3862  if (key == 'h'){
3863  if (do_hex_dump){
3864  do_hex_dump = do_pkt_dump = 0;
3865  } else if(do_pkt_dump){
3866  do_hex_dump = 1;
3867  } else
3868  do_pkt_dump = 1;
3870  }
3871  if (key == 'c' || key == 'C'){
3872  char buf[4096], target[64], command[256], arg[256] = {0};
3873  double time;
3874  int k, n = 0;
3875  fprintf(stderr, "\nEnter command: <target>|all <time>|-1 <command>[ <argument>]\n");
3876  i = 0;
3877  set_tty_echo(1);
3878  while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
3879  if (k > 0)
3880  buf[i++] = k;
3881  buf[i] = 0;
3882  set_tty_echo(0);
3883  fprintf(stderr, "\n");
3884  if (k > 0 &&
3885  (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
3886  av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
3887  target, time, command, arg);
3888  for (i = 0; i < nb_filtergraphs; i++) {
3889  FilterGraph *fg = filtergraphs[i];
3890  if (fg->graph) {
3891  if (time < 0) {
3892  ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
3893  key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
3894  fprintf(stderr, "Command reply for stream %d: ret:%d res:\n%s", i, ret, buf);
3895  } else if (key == 'c') {
3896  fprintf(stderr, "Queuing commands only on filters supporting the specific command is unsupported\n");
3897  ret = AVERROR_PATCHWELCOME;
3898  } else {
3899  ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
3900  if (ret < 0)
3901  fprintf(stderr, "Queuing command failed with error %s\n", av_err2str(ret));
3902  }
3903  }
3904  }
3905  } else {
3907  "Parse error, at least 3 arguments were expected, "
3908  "only %d given in string '%s'\n", n, buf);
3909  }
3910  }
3911  if (key == 'd' || key == 'D'){
3912  int debug=0;
3913  if(key == 'D') {
3914  debug = input_streams[0]->st->codec->debug<<1;
3915  if(!debug) debug = 1;
3916  while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
3917  debug += debug;
3918  }else{
3919  char buf[32];
3920  int k = 0;
3921  i = 0;
3922  set_tty_echo(1);
3923  while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
3924  if (k > 0)
3925  buf[i++] = k;
3926  buf[i] = 0;
3927  set_tty_echo(0);
3928  fprintf(stderr, "\n");
3929  if (k <= 0 || sscanf(buf, "%d", &debug)!=1)
3930  fprintf(stderr,"error parsing debug value\n");
3931  }
3932  for(i=0;i<nb_input_streams;i++) {
3933  input_streams[i]->st->codec->debug = debug;
3934  }
3935  for(i=0;i<nb_output_streams;i++) {
3936  OutputStream *ost = output_streams[i];
3937  ost->enc_ctx->debug = debug;
3938  }
3939  if(debug) av_log_set_level(AV_LOG_DEBUG);
3940  fprintf(stderr,"debug=%d\n", debug);
3941  }
3942  if (key == '?'){
3943  fprintf(stderr, "key function\n"
3944  "? show this help\n"
3945  "+ increase verbosity\n"
3946  "- decrease verbosity\n"
3947  "c Send command to first matching filter supporting it\n"
3948  "C Send/Queue command to all matching filters\n"
3949  "D cycle through available debug modes\n"
3950  "h dump packets/hex press to cycle through the 3 states\n"
3951  "q quit\n"
3952  "s Show QP histogram\n"
3953  );
3954  }
3955  return 0;
3956 }
3957 
3958 #if HAVE_PTHREADS
3959 static void *input_thread(void *arg)
3960 {
3961  InputFile *f = arg;
3962  unsigned flags = f->non_blocking ? AV_THREAD_MESSAGE_NONBLOCK : 0;
3963  int ret = 0;
3964 
3965  while (1) {
3966  AVPacket pkt;
3967  ret = av_read_frame(f->ctx, &pkt);
3968 
3969  if (ret == AVERROR(EAGAIN)) {
3970  av_usleep(10000);
3971  continue;
3972  }
3973  if (ret < 0) {
3974  av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
3975  break;
3976  }
3977  ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, flags);
3978  if (flags && ret == AVERROR(EAGAIN)) {
3979  flags = 0;
3980  ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, flags);
3982  "Thread message queue blocking; consider raising the "
3983  "thread_queue_size option (current value: %d)\n",
3984  f->thread_queue_size);
3985  }
3986  if (ret < 0) {
3987  if (ret != AVERROR_EOF)
3988  av_log(f->ctx, AV_LOG_ERROR,
3989  "Unable to send packet to main thread: %s\n",
3990  av_err2str(ret));
3991  av_packet_unref(&pkt);
3992  av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
3993  break;
3994  }
3995  }
3996 
3997  return NULL;
3998 }
3999 
4000 static void free_input_threads(void)
4001 {
4002  int i;
4003 
4004  for (i = 0; i < nb_input_files; i++) {
4005  InputFile *f = input_files[i];
4006  AVPacket pkt;
4007 
4008  if (!f || !f->in_thread_queue)
4009  continue;
4011  while (av_thread_message_queue_recv(f->in_thread_queue, &pkt, 0) >= 0)
4012  av_packet_unref(&pkt);
4013 
4014  pthread_join(f->thread, NULL);
4015  f->joined = 1;
4016  av_thread_message_queue_free(&f->in_thread_queue);
4017  }
4018 }
4019 
4020 static int init_input_threads(void)
4021 {
4022  int i, ret;
4023 
4024  if (nb_input_files == 1)
4025  return 0;
4026 
4027  for (i = 0; i < nb_input_files; i++) {
4028  InputFile *f = input_files[i];
4029 
4030  if (f->ctx->pb ? !f->ctx->pb->seekable :
4031  strcmp(f->ctx->iformat->name, "lavfi"))
4032  f->non_blocking = 1;
4033  ret = av_thread_message_queue_alloc(&f->in_thread_queue,
4034  f->thread_queue_size, sizeof(AVPacket));
4035  if (ret < 0)
4036  return ret;
4037 
4038  if ((ret = pthread_create(&f->thread, NULL, input_thread, f))) {
4039  av_log(NULL, AV_LOG_ERROR, "pthread_create failed: %s. Try to increase `ulimit -v` or decrease `ulimit -s`.\n", strerror(ret));
4040  av_thread_message_queue_free(&f->in_thread_queue);
4041  return AVERROR(ret);
4042  }
4043  }
4044  return 0;
4045 }
4046 
4047 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
4048 {
4049  return av_thread_message_queue_recv(f->in_thread_queue, pkt,
4050  f->non_blocking ?
4052 }
4053 #endif
4054 
4056 {
4057  if (f->rate_emu) {
4058  int i;
4059  for (i = 0; i < f->nb_streams; i++) {
4060  InputStream *ist = input_streams[f->ist_index + i];
4061  int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
4062  int64_t now = av_gettime_relative() - ist->start;
4063  if (pts > now)
4064  return AVERROR(EAGAIN);
4065  }
4066  }
4067 
4068 #if HAVE_PTHREADS
4069  if (nb_input_files > 1)
4070  return get_input_packet_mt(f, pkt);
4071 #endif
4072  return av_read_frame(f->ctx, pkt);
4073 }
4074 
4075 static int got_eagain(void)
4076 {
4077  int i;
4078  for (i = 0; i < nb_output_streams; i++)
4079  if (output_streams[i]->unavailable)
4080  return 1;
4081  return 0;
4082 }
4083 
4084 static void reset_eagain(void)
4085 {
4086  int i;
4087  for (i = 0; i < nb_input_files; i++)
4088  input_files[i]->eagain = 0;
4089  for (i = 0; i < nb_output_streams; i++)
4090  output_streams[i]->unavailable = 0;
4091 }
4092 
4093 // set duration to max(tmp, duration) in a proper time base and return duration's time_base
4094 static AVRational duration_max(int64_t tmp, int64_t *duration, AVRational tmp_time_base,
4095  AVRational time_base)
4096 {
4097  int ret;
4098 
4099  if (!*duration) {
4100  *duration = tmp;
4101  return tmp_time_base;
4102  }
4103 
4104  ret = av_compare_ts(*duration, time_base, tmp, tmp_time_base);
4105  if (ret < 0) {
4106  *duration = tmp;
4107  return tmp_time_base;
4108  }
4109 
4110  return time_base;
4111 }
4112 
4114 {
4115  InputStream *ist;
4116  AVCodecContext *avctx;
4117  int i, ret, has_audio = 0;
4118  int64_t duration = 0;
4119 
4120  ret = av_seek_frame(is, -1, is->start_time, 0);
4121  if (ret < 0)
4122  return ret;
4123 
4124  for (i = 0; i < ifile->nb_streams; i++) {
4125  ist = input_streams[ifile->ist_index + i];
4126  avctx = ist->dec_ctx;
4127 
4128  // flush decoders
4129  if (ist->decoding_needed) {
4130  process_input_packet(ist, NULL, 1);
4131  avcodec_flush_buffers(avctx);
4132  }
4133 
4134  /* duration is the length of the last frame in a stream
4135  * when audio stream is present we don't care about
4136  * last video frame length because it's not defined exactly */
4137  if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && ist->nb_samples)
4138  has_audio = 1;
4139  }
4140 
4141  for (i = 0; i < ifile->nb_streams; i++) {
4142  ist = input_streams[ifile->ist_index + i];
4143  avctx = ist->dec_ctx;
4144 
4145  if (has_audio) {
4146  if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && ist->nb_samples) {
4147  AVRational sample_rate = {1, avctx->sample_rate};
4148 
4149  duration = av_rescale_q(ist->nb_samples, sample_rate, ist->st->time_base);
4150  } else
4151  continue;
4152  } else {
4153  if (ist->framerate.num) {
4154  duration = av_rescale_q(1, ist->framerate, ist->st->time_base);
4155  } else if (ist->st->avg_frame_rate.num) {
4156  duration = av_rescale_q(1, ist->st->avg_frame_rate, ist->st->time_base);
4157  } else duration = 1;
4158  }
4159  if (!ifile->duration)
4160  ifile->time_base = ist->st->time_base;
4161  /* the total duration of the stream, max_pts - min_pts is
4162  * the duration of the stream without the last frame */
4163  duration += ist->max_pts - ist->min_pts;
4164  ifile->time_base = duration_max(duration, &ifile->duration, ist->st->time_base,
4165  ifile->time_base);
4166  }
4167 
4168  if (ifile->loop > 0)
4169  ifile->loop--;
4170 
4171  return ret;
4172 }
4173 
4174 /*
4175  * Return
4176  * - 0 -- one packet was read and processed
4177  * - AVERROR(EAGAIN) -- no packets were available for selected file,
4178  * this function should be called again
4179  * - AVERROR_EOF -- this function should not be called again
4180  */
4181 static int process_input(int file_index)
4182 {
4183  InputFile *ifile = input_files[file_index];
4184  AVFormatContext *is;
4185  InputStream *ist;
4186  AVPacket pkt;
4187  int ret, i, j;
4188  int64_t duration;
4189  int64_t pkt_dts;
4190 
4191  is = ifile->ctx;
4192  ret = get_input_packet(ifile, &pkt);
4193 
4194  if (ret == AVERROR(EAGAIN)) {
4195  ifile->eagain = 1;
4196  return ret;
4197  }
4198  if (ret < 0 && ifile->loop) {
4199  if ((ret = seek_to_start(ifile, is)) < 0)
4200  return ret;
4201  ret = get_input_packet(ifile, &pkt);
4202  if (ret == AVERROR(EAGAIN)) {
4203  ifile->eagain = 1;
4204  return ret;
4205  }
4206  }
4207  if (ret < 0) {
4208  if (ret != AVERROR_EOF) {
4209  print_error(is->filename, ret);
4210  if (exit_on_error)
4211  exit_program(1);
4212  }
4213 
4214  for (i = 0; i < ifile->nb_streams; i++) {
4215  ist = input_streams[ifile->ist_index + i];
4216  if (ist->decoding_needed) {
4217  ret = process_input_packet(ist, NULL, 0);
4218  if (ret>0)
4219  return 0;
4220  }
4221 
4222  /* mark all outputs that don't go through lavfi as finished */
4223  for (j = 0; j < nb_output_streams; j++) {
4224  OutputStream *ost = output_streams[j];
4225 
4226  if (ost->source_index == ifile->ist_index + i &&
4227  (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
4228  finish_output_stream(ost);
4229  }
4230  }
4231 
4232  ifile->eof_reached = 1;
4233  return AVERROR(EAGAIN);
4234  }
4235 
4236  reset_eagain();
4237 
4238  if (do_pkt_dump) {
4240  is->streams[pkt.stream_index]);
4241  }
4242  /* the following test is needed in case new streams appear
4243  dynamically in stream : we ignore them */
4244  if (pkt.stream_index >= ifile->nb_streams) {
4245  report_new_stream(file_index, &pkt);
4246  goto discard_packet;
4247  }
4248 
4249  ist = input_streams[ifile->ist_index + pkt.stream_index];
4250 
4251  ist->data_size += pkt.size;
4252  ist->nb_packets++;
4253 
4254  if (ist->discard)
4255  goto discard_packet;
4256 
4257  if (exit_on_error && (pkt.flags & AV_PKT_FLAG_CORRUPT)) {
4258  av_log(NULL, AV_LOG_FATAL, "%s: corrupt input packet in stream %d\n", is->filename, pkt.stream_index);
4259  exit_program(1);
4260  }
4261 
4262  if (debug_ts) {
4263  av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
4264  "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",
4268  av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
4269  av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
4270  av_ts2str(input_files[ist->file_index]->ts_offset),
4271  av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
4272  }
4273 
4274  if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
4275  int64_t stime, stime2;
4276  // Correcting starttime based on the enabled streams
4277  // 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.
4278  // so we instead do it here as part of discontinuity handling
4279  if ( ist->next_dts == AV_NOPTS_VALUE
4280  && ifile->ts_offset == -is->start_time
4281  && (is->iformat->flags & AVFMT_TS_DISCONT)) {
4282  int64_t new_start_time = INT64_MAX;
4283  for (i=0; i<is->nb_streams; i++) {
4284  AVStream *st = is->streams[i];
4285  if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
4286  continue;
4287  new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
4288  }
4289  if (new_start_time > is->start_time) {
4290  av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time);
4291  ifile->ts_offset = -new_start_time;
4292  }
4293  }
4294 
4295  stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base);
4296  stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
4297  ist->wrap_correction_done = 1;
4298 
4299  if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
4300  pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
4301  ist->wrap_correction_done = 0;
4302  }
4303  if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
4304  pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
4305  ist->wrap_correction_done = 0;
4306  }
4307  }
4308 
4309  /* add the stream-global side data to the first packet */
4310  if (ist->nb_packets == 1) {
4311  for (i = 0; i < ist->st->nb_side_data; i++) {
4312  AVPacketSideData *src_sd = &ist->st->side_data[i];
4313  uint8_t *dst_data;
4314 
4315  if (src_sd->type == AV_PKT_DATA_DISPLAYMATRIX)
4316  continue;
4317 
4318  if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
4319  continue;
4320 
4321  dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
4322  if (!dst_data)
4323  exit_program(1);
4324 
4325  memcpy(dst_data, src_sd->data, src_sd->size);
4326  }
4327  }
4328 
4329  if (pkt.dts != AV_NOPTS_VALUE)
4330  pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
4331  if (pkt.pts != AV_NOPTS_VALUE)
4332  pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
4333 
4334  if (pkt.pts != AV_NOPTS_VALUE)
4335  pkt.pts *= ist->ts_scale;
4336  if (pkt.dts != AV_NOPTS_VALUE)
4337  pkt.dts *= ist->ts_scale;
4338 
4340  if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
4342  pkt_dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
4343  && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
4344  int64_t delta = pkt_dts - ifile->last_ts;
4345  if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
4346  delta > 1LL*dts_delta_threshold*AV_TIME_BASE){
4347  ifile->ts_offset -= delta;
4349  "Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
4350  delta, ifile->ts_offset);
4351  pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
4352  if (pkt.pts != AV_NOPTS_VALUE)
4353  pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
4354  }
4355  }
4356 
4357  duration = av_rescale_q(ifile->duration, ifile->time_base, ist->st->time_base);
4358  if (pkt.pts != AV_NOPTS_VALUE) {
4359  pkt.pts += duration;
4360  ist->max_pts = FFMAX(pkt.pts, ist->max_pts);
4361  ist->min_pts = FFMIN(pkt.pts, ist->min_pts);
4362  }
4363 
4364  if (pkt.dts != AV_NOPTS_VALUE)
4365  pkt.dts += duration;
4366 
4368  if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
4370  pkt_dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
4371  !copy_ts) {
4372  int64_t delta = pkt_dts - ist->next_dts;
4373  if (is->iformat->flags & AVFMT_TS_DISCONT) {
4374  if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
4375  delta > 1LL*dts_delta_threshold*AV_TIME_BASE ||
4376  pkt_dts + AV_TIME_BASE/10 < FFMAX(ist->pts, ist->dts)) {
4377  ifile->ts_offset -= delta;
4379  "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
4380  delta, ifile->ts_offset);
4381  pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
4382  if (pkt.pts != AV_NOPTS_VALUE)
4383  pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
4384  }
4385  } else {
4386  if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
4387  delta > 1LL*dts_error_threshold*AV_TIME_BASE) {
4388  av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
4389  pkt.dts = AV_NOPTS_VALUE;
4390  }
4391  if (pkt.pts != AV_NOPTS_VALUE){
4392  int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
4393  delta = pkt_pts - ist->next_dts;
4394  if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
4395  delta > 1LL*dts_error_threshold*AV_TIME_BASE) {
4396  av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
4397  pkt.pts = AV_NOPTS_VALUE;
4398  }
4399  }
4400  }
4401  }
4402 
4403  if (pkt.dts != AV_NOPTS_VALUE)
4404  ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
4405 
4406  if (debug_ts) {
4407  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",
4409  av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
4410  av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
4411  av_ts2str(input_files[ist->file_index]->ts_offset),
4412  av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
4413  }
4414 
4415  sub2video_heartbeat(ist, pkt.pts);
4416 
4417  process_input_packet(ist, &pkt, 0);
4418 
4419 discard_packet:
4420  av_packet_unref(&pkt);
4421 
4422  return 0;
4423 }
4424 
4425 /**
4426  * Perform a step of transcoding for the specified filter graph.
4427  *
4428  * @param[in] graph filter graph to consider
4429  * @param[out] best_ist input stream where a frame would allow to continue
4430  * @return 0 for success, <0 for error
4431  */
4432 static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
4433 {
4434  int i, ret;
4435  int nb_requests, nb_requests_max = 0;
4436  InputFilter *ifilter;
4437  InputStream *ist;
4438 
4439  *best_ist = NULL;
4440  ret = avfilter_graph_request_oldest(graph->graph);
4441  if (ret >= 0)
4442  return reap_filters(0);
4443 
4444  if (ret == AVERROR_EOF) {
4445  ret = reap_filters(1);
4446  for (i = 0; i < graph->nb_outputs; i++)
4447  close_output_stream(graph->outputs[i]->ost);
4448  return ret;
4449  }
4450  if (ret != AVERROR(EAGAIN))
4451  return ret;
4452 
4453  for (i = 0; i < graph->nb_inputs; i++) {
4454  ifilter = graph->inputs[i];
4455  ist = ifilter->ist;
4456  if (input_files[ist->file_index]->eagain ||
4457  input_files[ist->file_index]->eof_reached)
4458  continue;
4459  nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
4460  if (nb_requests > nb_requests_max) {
4461  nb_requests_max = nb_requests;
4462  *best_ist = ist;
4463  }
4464  }
4465 
4466  if (!*best_ist)
4467  for (i = 0; i < graph->nb_outputs; i++)
4468  graph->outputs[i]->ost->unavailable = 1;
4469 
4470  return 0;
4471 }
4472 
4473 /**
4474  * Run a single step of transcoding.
4475  *
4476  * @return 0 for success, <0 for error
4477  */
4478 static int transcode_step(void)
4479 {
4480  OutputStream *ost;
4481  InputStream *ist = NULL;
4482  int ret;
4483 
4484  ost = choose_output();
4485  if (!ost) {
4486  if (got_eagain()) {
4487  reset_eagain();
4488  av_usleep(10000);
4489  return 0;
4490  }
4491  av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
4492  return AVERROR_EOF;
4493  }
4494 
4495  if (ost->filter && !ost->filter->graph->graph) {
4497  ret = configure_filtergraph(ost->filter->graph);
4498  if (ret < 0) {
4499  av_log(NULL, AV_LOG_ERROR, "Error reinitializing filters!\n");
4500  return ret;
4501  }
4502  }
4503  }
4504 
4505  if (ost->filter && ost->filter->graph->graph) {
4506  if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
4507  return ret;
4508  if (!ist)
4509  return 0;
4510  } else if (ost->filter) {
4511  int i;
4512  for (i = 0; i < ost->filter->graph->nb_inputs; i++) {
4513  InputFilter *ifilter = ost->filter->graph->inputs[i];
4514  if (!ifilter->ist->got_output && !input_files[ifilter->ist->file_index]->eof_reached) {
4515  ist = ifilter->ist;
4516  break;
4517  }
4518  }
4519  if (!ist) {
4520  ost->inputs_done = 1;
4521  return 0;
4522  }
4523  } else {
4524  av_assert0(ost->source_index >= 0);
4525  ist = input_streams[ost->source_index];
4526  }
4527 
4528  ret = process_input(ist->file_index);
4529  if (ret == AVERROR(EAGAIN)) {
4530  if (input_files[ist->file_index]->eagain)
4531  ost->unavailable = 1;
4532  return 0;
4533  }
4534 
4535  if (ret < 0)
4536  return ret == AVERROR_EOF ? 0 : ret;
4537 
4538  return reap_filters(0);
4539 }
4540 
4541 /*
4542  * The following code is the main loop of the file converter
4543  */
4544 static int transcode(void)
4545 {
4546  int ret, i;
4547  AVFormatContext *os;
4548  OutputStream *ost;
4549  InputStream *ist;
4550  int64_t timer_start;
4551  int64_t total_packets_written = 0;
4552 
4553  ret = transcode_init();
4554  if (ret < 0)
4555  goto fail;
4556 
4557  if (stdin_interaction) {
4558  av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
4559  }
4560 
4561  timer_start = av_gettime_relative();
4562 
4563 #if HAVE_PTHREADS
4564  if ((ret = init_input_threads()) < 0)
4565  goto fail;
4566 #endif
4567 
4568  while (!received_sigterm) {
4569  int64_t cur_time= av_gettime_relative();
4570 
4571  /* if 'q' pressed, exits */
4572  if (stdin_interaction)
4573  if (check_keyboard_interaction(cur_time) < 0)
4574  break;
4575 
4576  /* check if there's any stream where output is still needed */
4577  if (!need_output()) {
4578  av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
4579  break;
4580  }
4581 
4582  ret = transcode_step();
4583  if (ret < 0 && ret != AVERROR_EOF) {
4584  char errbuf[128];
4585  av_strerror(ret, errbuf, sizeof(errbuf));
4586 
4587  av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", errbuf);
4588  break;
4589  }
4590 
4591  /* dump report by using the output first video and audio streams */
4592  print_report(0, timer_start, cur_time);
4593  }
4594 #if HAVE_PTHREADS
4595  free_input_threads();
4596 #endif
4597 
4598  /* at the end of stream, we must flush the decoder buffers */
4599  for (i = 0; i < nb_input_streams; i++) {
4600  ist = input_streams[i];
4601  if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
4602  process_input_packet(ist, NULL, 0);
4603  }
4604  }
4605  flush_encoders();
4606 
4607  term_exit();
4608 
4609  /* write the trailer if needed and close file */
4610  for (i = 0; i < nb_output_files; i++) {
4611  os = output_files[i]->ctx;
4612  if (!output_files[i]->header_written) {
4614  "Nothing was written into output file %d (%s), because "
4615  "at least one of its streams received no packets.\n",
4616  i, os->filename);
4617  continue;
4618  }
4619  if ((ret = av_write_trailer(os)) < 0) {
4620  av_log(NULL, AV_LOG_ERROR, "Error writing trailer of %s: %s\n", os->filename, av_err2str(ret));
4621  if (exit_on_error)
4622  exit_program(1);
4623  }
4624  }
4625 
4626  /* dump report by using the first video and audio streams */
4627  print_report(1, timer_start, av_gettime_relative());
4628 
4629  /* close each encoder */
4630  for (i = 0; i < nb_output_streams; i++) {
4631  ost = output_streams[i];
4632  if (ost->encoding_needed) {
4633  av_freep(&ost->enc_ctx->stats_in);
4634  }
4635  total_packets_written += ost->packets_written;
4636  }
4637 
4638  if (!total_packets_written && (abort_on_flags & ABORT_ON_FLAG_EMPTY_OUTPUT)) {
4639  av_log(NULL, AV_LOG_FATAL, "Empty output\n");
4640  exit_program(1);
4641  }
4642 
4643  /* close each decoder */
4644  for (i = 0; i < nb_input_streams; i++) {
4645  ist = input_streams[i];
4646  if (ist->decoding_needed) {
4647  avcodec_close(ist->dec_ctx);
4648  if (ist->hwaccel_uninit)
4649  ist->hwaccel_uninit(ist->dec_ctx);
4650  }
4651  }
4652 
4654 
4655  /* finished ! */
4656  ret = 0;
4657 
4658  fail:
4659 #if HAVE_PTHREADS
4660  free_input_threads();
4661 #endif
4662 
4663  if (output_streams) {
4664  for (i = 0; i < nb_output_streams; i++) {
4665  ost = output_streams[i];
4666  if (ost) {
4667  if (ost->logfile) {
4668  if (fclose(ost->logfile))
4670  "Error closing logfile, loss of information possible: %s\n",
4671  av_err2str(AVERROR(errno)));
4672  ost->logfile = NULL;
4673  }
4674  av_freep(&ost->forced_kf_pts);
4675  av_freep(&ost->apad);
4676  av_freep(&ost->disposition);
4677  av_dict_free(&ost->encoder_opts);
4678  av_dict_free(&ost->sws_dict);
4679  av_dict_free(&ost->swr_opts);
4680  av_dict_free(&ost->resample_opts);
4681  }
4682  }
4683  }
4684  return ret;
4685 }
4686 
4687 
4688 static int64_t getutime(void)
4689 {
4690 #if HAVE_GETRUSAGE
4691  struct rusage rusage;
4692 
4693  getrusage(RUSAGE_SELF, &rusage);
4694  return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4695 #elif HAVE_GETPROCESSTIMES
4696  HANDLE proc;
4697  FILETIME c, e, k, u;
4698  proc = GetCurrentProcess();
4699  GetProcessTimes(proc, &c, &e, &k, &u);
4700  return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4701 #else
4702  return av_gettime_relative();
4703 #endif
4704 }
4705 
4706 static int64_t getmaxrss(void)
4707 {
4708 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4709  struct rusage rusage;
4710  getrusage(RUSAGE_SELF, &rusage);
4711  return (int64_t)rusage.ru_maxrss * 1024;
4712 #elif HAVE_GETPROCESSMEMORYINFO
4713  HANDLE proc;
4714  PROCESS_MEMORY_COUNTERS memcounters;
4715  proc = GetCurrentProcess();
4716  memcounters.cb = sizeof(memcounters);
4717  GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4718  return memcounters.PeakPagefileUsage;
4719 #else
4720  return 0;
4721 #endif
4722 }
4723 
4724 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
4725 {
4726 }
4727 
4728 int main(int argc, char **argv)
4729 {
4730  int i, ret;
4731  int64_t ti;
4732 
4733  init_dynload();
4734 
4736 
4737  setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
4738 
4740  parse_loglevel(argc, argv, options);
4741 
4742  if(argc>1 && !strcmp(argv[1], "-d")){
4743  run_as_daemon=1;
4745  argc--;
4746  argv++;
4747  }
4748 
4750 #if CONFIG_AVDEVICE
4752 #endif
4754  av_register_all();
4756 
4757  show_banner(argc, argv, options);
4758 
4759  /* parse options and open all input/output files */
4760  ret = ffmpeg_parse_options(argc, argv);
4761  if (ret < 0)
4762  exit_program(1);
4763 
4764  if (nb_output_files <= 0 && nb_input_files == 0) {
4765  show_usage();
4766  av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4767  exit_program(1);
4768  }
4769 
4770  /* file converter / grab */
4771  if (nb_output_files <= 0) {
4772  av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
4773  exit_program(1);
4774  }
4775 
4776 // if (nb_input_files == 0) {
4777 // av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
4778 // exit_program(1);
4779 // }
4780 
4781  for (i = 0; i < nb_output_files; i++) {
4782  if (strcmp(output_files[i]->ctx->oformat->name, "rtp"))
4783  want_sdp = 0;
4784  }
4785 
4786  current_time = ti = getutime();
4787  if (transcode() < 0)
4788  exit_program(1);
4789  ti = getutime() - ti;
4790  if (do_benchmark) {
4791  av_log(NULL, AV_LOG_INFO, "bench: utime=%0.3fs\n", ti / 1000000.0);
4792  }
4793  av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n",
4796  exit_program(69);
4797 
4799  return main_return_code;
4800 }
unsigned int nb_chapters
Number of chapters in AVChapter array.
Definition: avformat.h:1556
int64_t pts
current pts of the decoded frame (in AV_TIME_BASE units)
Definition: ffmpeg.h:312
int nb_bitstream_filters
Definition: ffmpeg.h:457
#define extra_bits(eb)
Definition: intrax8.c:159
#define AV_CODEC_FLAG_INTERLACED_ME
interlaced motion estimation
Definition: avcodec.h:930
void init_dynload(void)
Initialize dynamic library loading.
Definition: cmdutils.c:119
uint32_t BOOL
#define FF_DEBUG_VIS_MB_TYPE
Definition: avcodec.h:2996
static void write_packet(OutputFile *of, AVPacket *pkt, OutputStream *ost, int unqueue)
Definition: ffmpeg.c:672
int got_output
Definition: ffmpeg.h:337
#define AV_DISPOSITION_METADATA
Definition: avformat.h:873
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:36
static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
Definition: ffmpeg.c:1988
int64_t first_dts
Timestamp corresponding to the last dts sync point.
Definition: avformat.h:1065
int guess_input_channel_layout(InputStream *ist)
Definition: ffmpeg.c:2102
#define ATOMIC_VAR_INIT(value)
Definition: stdatomic.h:31
#define NULL
Definition: coverity.c:32
int frame_number
Definition: ffmpeg.h:444
const struct AVCodec * codec
Definition: avcodec.h:1741
Definition: ffmpeg.h:421
AVRational framerate
Definition: avcodec.h:3429
static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output, int eof, int *decode_failed)
Definition: ffmpeg.c:2370
enum AVFieldOrder field_order
Video only.
Definition: avcodec.h:4147
static void do_subtitle_out(OutputFile *of, OutputStream *ost, AVSubtitle *sub)
Definition: ffmpeg.c:953
enum HWAccelID active_hwaccel_id
Definition: ffmpeg.h:365
const char * s
Definition: avisynth_c.h:768
Bytestream IO Context.
Definition: avio.h:155
#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:556
void term_init(void)
Definition: ffmpeg.c:373
int64_t avio_size(AVIOContext *s)
Get the filesize.
Definition: aviobuf.c:321
AVCodecParameters * par_out
Parameters of the output stream.
Definition: avcodec.h:5864
void av_bprintf(AVBPrint *buf, const char *fmt,...)
Definition: bprint.c:94
int64_t av_frame_get_pkt_duration(const AVFrame *frame)
uint8_t * name
Definition: ffmpeg.h:259
int nb_outputs
Definition: ffmpeg.h:288
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:504
#define DECODING_FOR_FILTER
Definition: ffmpeg.h:298
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2333
#define av_realloc_f(p, o, n)
This structure describes decoded (raw) audio or video data.
Definition: frame.h:187
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:3019
void term_exit(void)
Definition: ffmpeg.c:315
int stream_copy
Definition: ffmpeg.h:509
int av_interleaved_write_frame(AVFormatContext *s, AVPacket *pkt)
Write a packet to an output media file ensuring correct interleaving.
Definition: mux.c:1245
int x
top left corner of pict, undefined when pict is not set
Definition: avcodec.h:4008
AVIOInterruptCB interrupt_callback
Custom interrupt callbacks for the I/O layer.
Definition: avformat.h:1605
#define atomic_store(object, desired)
Definition: stdatomic.h:85
AVOption.
Definition: opt.h:246
AVRational frame_rate
Definition: ffmpeg.h:473
int64_t * forced_kf_pts
Definition: ffmpeg.h:483
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:295
uint64_t error[AV_NUM_DATA_POINTERS]
error
Definition: avcodec.h:3071
AVBufferRef * hw_frames_ctx
Definition: ffmpeg.h:372
char * filters
filtergraph associated to the -filter option
Definition: ffmpeg.h:499
#define AV_CODEC_FLAG_INTERLACED_DCT
Use interlaced DCT.
Definition: avcodec.h:909
static int process_input(int file_index)
Definition: ffmpeg.c:4181
int exit_on_error
Definition: ffmpeg_opt.c:115
int64_t cfr_next_pts
Definition: ffmpeg.h:322
const char * fmt
Definition: avisynth_c.h:769
static int init_output_stream(OutputStream *ost, char *error, int error_len)
Definition: ffmpeg.c:3407
static atomic_int transcode_init_done
Definition: ffmpeg.c:323
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:1797
#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:1677
uint8_t * bsf_extradata_updated
Definition: ffmpeg.h:458
#define AV_DICT_DONT_OVERWRITE
Don't overwrite existing entries.
Definition: dict.h:79
static int run_as_daemon
Definition: ffmpeg.c:131
Memory buffer source API.
const char * desc
Definition: nvenc.c:60
void av_log_set_level(int level)
Set the log level.
Definition: log.c:391
AVRational framerate
Definition: ffmpeg.h:329
AVRational sample_aspect_ratio
Video only.
Definition: avcodec.h:4142
int avcodec_receive_packet(AVCodecContext *avctx, AVPacket *avpkt)
Read encoded data from the encoder.
Definition: utils.c:3031
int height
Definition: ffmpeg.h:243
AVCodecParserContext * parser
Definition: ffmpeg.h:525
static int64_t cur_time
Definition: ffserver.c:252
int64_t max_pts
Definition: ffmpeg.h:318
int decoding_needed
Definition: ffmpeg.h:296
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: avcodec.h:4066
void sub2video_update(InputStream *ist, AVSubtitle *sub)
Definition: ffmpeg.c:232
const struct AVBitStreamFilter * filter
The bitstream filter this context is an instance of.
Definition: avcodec.h:5839
AVRational sample_aspect_ratio
sample aspect ratio (0 if unknown)
Definition: avformat.h:959
void av_codec_set_pkt_timebase(AVCodecContext *avctx, AVRational val)
int num
Numerator.
Definition: rational.h:59
The bitstream filter state.
Definition: avcodec.h:5830
static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
Definition: ffmpeg.c:1647
#define vsnprintf
Definition: snprintf.h:36
int index
stream index in AVFormatContext
Definition: avformat.h:890
int size
Definition: avcodec.h:1658
static int64_t getmaxrss(void)
Definition: ffmpeg.c:4706
int max_muxing_queue_size
Definition: ffmpeg.h:540
const char * b
Definition: vf_curves.c:113
static int nb_frames_dup
Definition: ffmpeg.c:132
int av_log2(unsigned v)
Definition: intmath.c:26
static InputStream * get_input_stream(OutputStream *ost)
Definition: ffmpeg.c:2924
#define AVIO_FLAG_WRITE
write-only
Definition: avio.h:621
#define AV_DISPOSITION_DUB
Definition: avformat.h:837
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:2143
int eagain
Definition: ffmpeg.h:392
void avfilter_graph_free(AVFilterGraph **graph)
Free a graph, destroy its links, and set *graph to NULL.
void show_banner(int argc, char **argv, const OptionDef *options)
Print the program banner to stderr.
Definition: cmdutils.c:1150
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:1960
struct InputStream::@36 prev_sub
static int init_output_stream_encode(OutputStream *ost)
Definition: ffmpeg.c:3245
static void abort_codec_experimental(AVCodec *c, int encoder)
Definition: ffmpeg.c:641
#define AV_DISPOSITION_HEARING_IMPAIRED
stream for hearing impaired audiences
Definition: avformat.h:849
int quality
Definition: ffmpeg.h:538
unsigned num_rects
Definition: avcodec.h:4046
AVFrame * filter_frame
Definition: ffmpeg.h:303
static int transcode_init(void)
Definition: ffmpeg.c:3605
static int compare_int64(const void *a, const void *b)
Definition: ffmpeg.c:2931
static int process_input_packet(InputStream *ist, const AVPacket *pkt, int no_eof)
Definition: ffmpeg.c:2591
char * stats_in
pass2 encoding statistics input buffer Concatenated stuff from stats_out of pass1 should be placed he...
Definition: avcodec.h:2909
int do_benchmark_all
Definition: ffmpeg_opt.c:108
#define AV_DISPOSITION_CLEAN_EFFECTS
stream without voice
Definition: avformat.h:851
int last_dropped
Definition: ffmpeg.h:467
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
Definition: mem.c:222
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:661
discard all
Definition: avcodec.h:822
AVPacketSideData * side_data
An array of side data that applies to the whole stream (i.e.
Definition: avformat.h:999
int(* hwaccel_get_buffer)(AVCodecContext *s, AVFrame *frame, int flags)
Definition: ffmpeg.h:368
int64_t input_ts_offset
Definition: ffmpeg.h:398
int do_hex_dump
Definition: ffmpeg_opt.c:109
static AVPacket pkt
int bits_per_raw_sample
Bits per sample/pixel of internal libavcodec pixel/sample format.
Definition: avcodec.h:3133
int nb_input_streams
Definition: ffmpeg.c:145
void avcodec_register_all(void)
Register all the codecs, parsers and bitstream filters which were enabled at configuration time...
Definition: allcodecs.c:720
const char * name
Definition: ffmpeg.h:73
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: utils.c:2669
static void report_new_stream(int input_index, AVPacket *pkt)
Definition: ffmpeg.c:3590
Picture data structure.
Definition: avcodec.h:3975
#define src
Definition: vp8dsp.c:254
uint64_t packets_written
Definition: ffmpeg.h:532
AVCodec.
Definition: avcodec.h:3681
#define VSYNC_VFR
Definition: ffmpeg.h:54
int nb_dts_buffer
Definition: ffmpeg.h:384
#define AVFMT_TS_NONSTRICT
Format does not require strictly increasing timestamps, but they must still be monotonic.
Definition: avformat.h:496
This struct describes the properties of an encoded stream.
Definition: avcodec.h:4058
int print_stats
Definition: ffmpeg_opt.c:117
int av_bsf_init(AVBSFContext *ctx)
Prepare the filter for use, after all the parameters and options have been set.
Definition: bsf.c:135
float dts_error_threshold
Definition: ffmpeg_opt.c:100
int64_t start_time
start time in microseconds == AV_TIME_BASE units
Definition: ffmpeg.h:557
int av_bprint_finalize(AVBPrint *buf, char **ret_str)
Finalize a print buffer.
Definition: bprint.c:235
int index
Definition: ffmpeg.h:279
uint64_t data_size
Definition: ffmpeg.h:530
static int decode_interrupt_cb(void *ctx)
Definition: ffmpeg.c:459
AVBSFContext ** bsf_ctx
Definition: ffmpeg.h:459
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
#define AV_DISPOSITION_KARAOKE
Definition: avformat.h:841
struct FilterGraph * graph
Definition: ffmpeg.h:234
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
Definition: avcodec.h:1869
static int send_frame_to_filters(InputStream *ist, AVFrame *decoded_frame)
Definition: ffmpeg.c:2280
Undefined.
Definition: avutil.h:273
AVSubtitleRect ** rects
Definition: avcodec.h:4047
int encoding_needed
Definition: ffmpeg.h:443
static void update_benchmark(const char *fmt,...)
Definition: ffmpeg.c:646
static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
Definition: ffmpeg.c:4724
AVBufferRef * hw_frames_ctx
For hwaccel-format frames, this should be a reference to the AVHWFramesContext describing the frame...
Definition: frame.h:515
static int check_keyboard_interaction(int64_t cur_time)
Definition: ffmpeg.c:3845
Format I/O context.
Definition: avformat.h:1349
uint64_t samples_decoded
Definition: ffmpeg.h:381
memory buffer sink API for audio and video
struct InputStream * ist
Definition: ffmpeg.h:233
unsigned int nb_stream_indexes
Definition: avformat.h:1281
#define AV_LOG_QUIET
Print no output.
Definition: log.h:158
enum HWAccelID id
Definition: ffmpeg.h:75
int64_t cur_dts
Definition: avformat.h:1066
int w
width of pict, undefined when pict is not set
Definition: avcodec.h:4010
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:1019
uint64_t frames_decoded
Definition: ffmpeg.h:380
int header_written
Definition: ffmpeg.h:562
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
AVFilterGraph * graph
Definition: ffmpeg.h:282
int av_buffersink_get_sample_rate(const AVFilterContext *ctx)
Public dictionary API.
char * logfile_prefix
Definition: ffmpeg.h:494
static uint8_t * subtitle_out
Definition: ffmpeg.c:142
int av_bsf_receive_packet(AVBSFContext *ctx, AVPacket *pkt)
Retrieve a filtered packet.
Definition: bsf.c:199
static int main_return_code
Definition: ffmpeg.c:325
static int ifilter_send_eof(InputFilter *ifilter)
Definition: ffmpeg.c:2225
static int64_t start_time
Definition: ffplay.c:328
int copy_initial_nonkeyframes
Definition: ffmpeg.h:519
void register_exit(void(*cb)(int ret))
Register a program-specific cleanup routine.
Definition: cmdutils.c:130
static int init_output_bsfs(OutputStream *ost)
Definition: ffmpeg.c:2983
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:117
enum AVSampleFormat sample_fmt
audio sample format
Definition: avcodec.h:2502
int64_t * dts_buffer
Definition: ffmpeg.h:383
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:543
uint8_t
#define av_malloc(s)
AVFrame * av_frame_alloc(void)
Allocate an AVFrame and set its fields to default values.
Definition: frame.c:150
Opaque data information usually continuous.
Definition: avutil.h:203
AVDictionary * sws_dict
Definition: ffmpeg.h:503
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:4132
int av_parser_change(AVCodecParserContext *s, AVCodecContext *avctx, uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size, int keyframe)
Definition: parser.c:205
float delta
static void sub2video_push_ref(InputStream *ist, int64_t pts)
Definition: ffmpeg.c:219
AVOptions.
int subtitle_header_size
Definition: avcodec.h:3366
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:678
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:5394
int stdin_interaction
Definition: ffmpeg_opt.c:119
FILE * logfile
Definition: ffmpeg.h:495
AVDictionary * opts
Definition: ffmpeg.h:554
static av_cold int end(AVCodecContext *avctx)
Definition: avrndec.c:90
#define media_type_string
Definition: cmdutils.h:584
int64_t duration
Duration of this packet in AVStream->time_base units, 0 if unknown.
Definition: avcodec.h:1675
This side data contains a 3x3 transformation matrix describing an affine transformation that needs to...
Definition: avcodec.h:1465
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
static const HWAccel * get_hwaccel(enum AVPixelFormat pix_fmt)
Definition: ffmpeg.c:2807
static int need_output(void)
Definition: ffmpeg.c:3778
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:388
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:271
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:1003
static double psnr(double d)
Definition: ffmpeg.c:1355
int do_benchmark
Definition: ffmpeg_opt.c:107
int audio_sync_method
Definition: ffmpeg_opt.c:103
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, uint8_t clip)
Definition: cfhd.c:80
int shortest
Definition: ffmpeg.h:560
AVStream ** streams
A list of all streams in the file.
Definition: avformat.h:1417
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:4264
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.
void avfilter_register_all(void)
Initialize the filter system.
Definition: allfilters.c:382
static int64_t getutime(void)
Definition: ffmpeg.c:4688
static AVFrame * frame
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:5880
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:344
int nb_streams
Definition: ffmpeg.h:405
uint8_t * data
Definition: avcodec.h:1657
static double av_q2d(AVRational a)
Convert an AVRational to a double.
Definition: rational.h:104
enum AVMediaType type
Definition: ffmpeg.h:236
static void set_tty_echo(int on)
Definition: ffmpeg.c:3833
AVDictionary * resample_opts
Definition: ffmpeg.h:505
static void parse_forced_key_frames(char *kf, OutputStream *ost, AVCodecContext *avctx)
Definition: ffmpeg.c:3182
static int flags
Definition: log.c:57
list ifile
Definition: normalize.py:6
#define FFMIN3(a, b, c)
Definition: common.h:97
AVFilterContext * filter
Definition: ffmpeg.h:256
static int seek_to_start(InputFile *ifile, AVFormatContext *is)
Definition: ffmpeg.c:4113
int avformat_network_init(void)
Do global initialization of network components.
Definition: utils.c:4712
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:91
int * formats
Definition: ffmpeg.h:273
#define ff_dlog(a,...)
int nb_input_files
Definition: ffmpeg.c:147
#define AVERROR_EOF
End of file.
Definition: error.h:55
static int read_key(void)
Definition: ffmpeg.c:408
static int reap_filters(int flush)
Get and encode new output from any of the filtergraphs, without causing activity. ...
Definition: ffmpeg.c:1424
#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:324
void av_fifo_free(AVFifoBuffer *f)
Free an AVFifoBuffer.
Definition: fifo.c:55
int av_sdp_create(AVFormatContext *ac[], int n_files, char *buf, int size)
Generate an SDP for an RTP session.
Definition: sdp.c:827
static void do_video_stats(OutputStream *ost, int frame_size)
Definition: ffmpeg.c:1360
uint8_t * data
Definition: avcodec.h:1601
int interlaced_frame
The content of the picture is interlaced.
Definition: frame.h:325
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:505
ptrdiff_t size
Definition: opengl_enc.c:101
int64_t av_frame_get_best_effort_timestamp(const AVFrame *frame)
Accessors for some AVFrame fields.
int h
height of pict, undefined when pict is not set
Definition: avcodec.h:4011
static av_always_inline int64_t avio_tell(AVIOContext *s)
ftell() equivalent for AVIOContext.
Definition: avio.h:525
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:301
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:1279
char * stats_out
pass1 encoding statistics output buffer
Definition: avcodec.h:2901
void avio_write(AVIOContext *s, const unsigned char *buf, int size)
Definition: aviobuf.c:205
int top_field_first
Definition: ffmpeg.h:330
#define AVFMT_FLAG_BITEXACT
When muxing, try to avoid writing any random/volatile data to the output.
Definition: avformat.h:1477
int nb_output_streams
Definition: ffmpeg.c:150
int file_index
Definition: ffmpeg.h:292
void * av_realloc_array(void *ptr, size_t nmemb, size_t size)
Definition: mem.c:184
const OptionDef options[]
Definition: ffserver.c:3948
enum AVChromaLocation chroma_sample_location
This defines the location of chroma samples.
Definition: avcodec.h:2476
unsigned int * stream_index
Definition: avformat.h:1280
int av_buffersink_get_h(const AVFilterContext *ctx)
struct InputStream::sub2video sub2video
int av_buffersink_get_format(const AVFilterContext *ctx)
int wrap_correction_done
Definition: ffmpeg.h:313
int64_t filter_in_rescale_delta_last
Definition: ffmpeg.h:315
uint64_t channel_layout
Audio only.
Definition: avcodec.h:4168
#define av_log(a,...)
static void sub2video_heartbeat(InputStream *ist, int64_t pts)
Definition: ffmpeg.c:266
#define AV_DISPOSITION_CAPTIONS
To specify text track kind (different from subtitles default).
Definition: avformat.h:871
#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:1368
int av_packet_ref(AVPacket *dst, const AVPacket *src)
Setup a new reference to the data described by a given packet.
Definition: avpacket.c:598
int64_t next_dts
Definition: ffmpeg.h:308
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
Definition: avcodec.h:1689
attribute_deprecated int avpicture_fill(AVPicture *picture, const uint8_t *ptr, enum AVPixelFormat pix_fmt, int width, int height)
Definition: avpicture.c:37
void av_buffer_default_free(void *opaque, uint8_t *data)
Default free callback, which calls av_free() on the buffer data.
Definition: buffer.c:62
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:544
AVFifoBuffer * sub_queue
queue of AVSubtitle* before filter init
Definition: ffmpeg.h:345
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:3063
static void output_packet(OutputFile *of, AVPacket *pkt, OutputStream *ost)
Definition: ffmpeg.c:818
static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output, int *decode_failed)
Definition: ffmpeg.c:2502
AVRational av_stream_get_codec_timebase(const AVStream *st)
Get the internal codec timebase from a stream.
Definition: utils.c:5456
libswresample public header
enum AVCodecID id
Definition: avcodec.h:3695
AVRational sample_aspect_ratio
Definition: ffmpeg.h:244
const AVCodecDefault * defaults
Private codec-specific defaults.
Definition: avcodec.h:3742
int rate_emu
Definition: ffmpeg.h:408
int avcodec_parameters_copy(AVCodecParameters *dst, const AVCodecParameters *src)
Copy the contents of src to dst.
Definition: utils.c:4189
int width
width and height of the video frame
Definition: frame.h:239
#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:2054
int sample_rate
Definition: ffmpeg.h:246
static void finish_output_stream(OutputStream *ost)
Definition: ffmpeg.c:1405
static void reset_eagain(void)
Definition: ffmpeg.c:4084
enum AVPixelFormat hwaccel_pix_fmt
Definition: ffmpeg.h:370
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:652
int ffmpeg_parse_options(int argc, char **argv)
Definition: ffmpeg_opt.c:3216
FilterGraph ** filtergraphs
Definition: ffmpeg.c:154
const AVIOInterruptCB int_cb
Definition: ffmpeg.c:464
AVFilterContext * filter
Definition: ffmpeg.h:232
void(* hwaccel_uninit)(AVCodecContext *s)
Definition: ffmpeg.h:367
#define AVFMT_TS_DISCONT
Format allows timestamp discontinuities.
Definition: avformat.h:488
#define atomic_load(object)
Definition: stdatomic.h:93
int64_t start
Definition: ffmpeg.h:305
int loop
Definition: ffmpeg.h:394
int y
top left corner of pict, undefined when pict is not set
Definition: avcodec.h:4009
av_default_item_name
uint64_t nb_packets
Definition: ffmpeg.h:378
#define AVERROR(e)
Definition: error.h:43
int64_t last_mux_dts
Definition: ffmpeg.h:453
int video_sync_method
Definition: ffmpeg_opt.c:104
int format
Definition: ffmpeg.h:241
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:135
#define VSYNC_VSCFR
Definition: ffmpeg.h:55
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:163
char * sdp_filename
Definition: ffmpeg_opt.c:96
#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:468
void av_bprint_init(AVBPrint *buf, unsigned size_init, unsigned size_max)
Definition: bprint.c:69
int video_delay
Video only.
Definition: avcodec.h:4161
int avcodec_receive_frame(AVCodecContext *avctx, AVFrame *frame)
Return decoded output data from a decoder.
Definition: utils.c:2920
const char * r
Definition: vf_curves.c:111
const char *const forced_keyframes_const_names[]
Definition: ffmpeg.c:117
int capabilities
Codec capabilities.
Definition: avcodec.h:3700
struct AVCodecParserContext * av_stream_get_parser(const AVStream *s)
Definition: utils.c:130
#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
unsigned int nb_programs
Definition: avformat.h:1506
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:550
enum AVMediaType codec_type
General type of the encoded data.
Definition: avcodec.h:4062
const char * arg
Definition: jacosubdec.c:66
int flags
AV_CODEC_FLAG_*.
Definition: avcodec.h:1827
int av_opt_set_int(void *obj, const char *name, int64_t val, int search_flags)
Definition: opt.c:558
int av_frame_get_decode_error_flags(const AVFrame *frame)
AVChapter ** chapters
Definition: avformat.h:1557
#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:359
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:5870
#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:1603
int av_log_get_level(void)
Get the current log level.
Definition: log.c:386
const char * name
Name of the codec implementation.
Definition: avcodec.h:3688
static int check_recording_time(OutputStream *ost)
Definition: ffmpeg.c:880
int(* init)(AVCodecContext *s)
Definition: ffmpeg.h:74
AVBufferRef * av_buffer_create(uint8_t *data, int size, void(*free)(void *opaque, uint8_t *data), void *opaque, int flags)
Create an AVBuffer from an existing array.
Definition: buffer.c:28
void remove_avoptions(AVDictionary **a, AVDictionary *b)
Definition: ffmpeg.c:623
int eof
Definition: ffmpeg.h:252
int force_fps
Definition: ffmpeg.h:475
AVRational avg_frame_rate
Average framerate.
Definition: avformat.h:970
New fields can be added to the end with minor version bumps.
Definition: avformat.h:1276
#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:4178
int qp_hist
Definition: ffmpeg_opt.c:118
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:89
float frame_drop_threshold
Definition: ffmpeg_opt.c:105
#define AV_CODEC_CAP_VARIABLE_FRAME_SIZE
Audio encoder supports receiving a different number of samples in each call.
Definition: avcodec.h:1073
int64_t error[4]
Definition: ffmpeg.h:549
int flags
A combination of AV_PKT_FLAG values.
Definition: avcodec.h:1663
const AVCodecDescriptor * avcodec_descriptor_get(enum AVCodecID id)
Definition: codec_desc.c:3063
uint64_t channel_layout
Audio channel layout.
Definition: avcodec.h:2545
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:4045
static int want_sdp
Definition: ffmpeg.c:137
int64_t pts
Same as packet pts, in AV_TIME_BASE.
Definition: avcodec.h:4048
OutputFilter * filter
Definition: ffmpeg.h:497
static void check_decode_result(InputStream *ist, int *got_output, int ret)
Definition: ffmpeg.c:2122
uint64_t channel_layout
Channel layout of the audio data.
Definition: frame.h:356
AVRational frame_aspect_ratio
Definition: ffmpeg.h:480
#define AV_DISPOSITION_LYRICS
Definition: avformat.h:840
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:1594
#define FFDIFFSIGN(x, y)
Comparator.
Definition: common.h:92
#define AV_DISPOSITION_FORCED
Track should be used during playback by default.
Definition: avformat.h:848
common internal API header
uint64_t flags
Combination of AV_PIX_FMT_FLAG_...
Definition: pixdesc.h:106
AVRational mux_timebase
Definition: ffmpeg.h:455
unsigned int nb_streams
Number of elements in AVFormatContext.streams.
Definition: avformat.h:1405
AVDictionary * opts
Definition: movenc.c:50
AVCodecContext * parser_avctx
Definition: ffmpeg.h:526
static int nb_frames_drop
Definition: ffmpeg.c:134
A bitmap, pict will be set.
Definition: avcodec.h:3990
int linesize[4]
Definition: avcodec.h:4026
int nb_output_files
Definition: ffmpeg.c:152
int seekable
A combination of AVIO_SEEKABLE_ flags or 0 when the stream is not seekable.
Definition: avio.h:251
int void avio_flush(AVIOContext *s)
Force flushing of buffered data.
Definition: aviobuf.c:225
int channels
number of audio channels, only used for audio.
Definition: frame.h:483
audio channel layout utility functions
int is_cfr
Definition: ffmpeg.h:474
enum AVPictureType pict_type
Picture type of the frame.
Definition: frame.h:261
static int transcode(void)
Definition: ffmpeg.c:4544
#define AV_CODEC_FLAG_BITEXACT
Use only bitexact stuff (except (I)DCT).
Definition: avcodec.h:921
int flags
Frame flags, a combination of AV_FRAME_FLAGS.
Definition: frame.h:416
char filename[1024]
input or output filename
Definition: avformat.h:1425
#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 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:519
#define FFMIN(a, b)
Definition: common.h:96
AVPacketSideData * coded_side_data
Additional data associated with the entire coded stream.
Definition: avcodec.h:3560
uint64_t * channel_layouts
Definition: ffmpeg.h:274
#define VSYNC_AUTO
Definition: ffmpeg.h:51
void av_log_set_callback(void(*callback)(void *, int, const char *, va_list))
Set the logging callback.
Definition: log.c:406
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:216
int saw_first_ts
Definition: ffmpeg.h:327
AVCodecContext * avcodec_alloc_context3(const AVCodec *codec)
Allocate an AVCodecContext and set its fields to default values.
Definition: options.c:157
int abort_on_flags
Definition: ffmpeg_opt.c:116
This side data contains quality related information from the encoder.
Definition: avcodec.h:1489
Immediately push the frame to the output.
Definition: buffersrc.h:46
#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:257
int width
picture width / height.
Definition: avcodec.h:1919
PVOID HANDLE
char * apad
Definition: ffmpeg.h:506
AVBufferRef * hw_frames_ctx
A reference to the AVHWFramesContext describing the input (for encoding) or output (decoding) frames...
Definition: avcodec.h:3585
int64_t nb_samples
Definition: ffmpeg.h:324
AVRational time_base_out
The timebase used for the timestamps of the output packets.
Definition: avcodec.h:5876
double forced_keyframes_expr_const_values[FKF_NB]
Definition: ffmpeg.h:488
int av_bsf_send_packet(AVBSFContext *ctx, AVPacket *pkt)
Submit a packet for filtering.
Definition: bsf.c:176
int64_t duration
Definition: ffmpeg.h:395
#define AV_FRAME_FLAG_CORRUPT
The frame data may be corrupted, e.g.
Definition: frame.h:404
const char * name
Definition: avformat.h:524
int width
Definition: ffmpeg.h:243
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
void av_parser_close(AVCodecParserContext *s)
Definition: parser.c:240
#define AV_CODEC_FLAG_PSNR
error[?] variables will be set during encoding.
Definition: avcodec.h:900
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:884
static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output, int *decode_failed)
Definition: ffmpeg.c:2306
int nb_filtergraphs
Definition: ffmpeg.c:155
static av_always_inline int pthread_join(pthread_t thread, void **value_ptr)
Definition: os2threads.h:88
int64_t last_ts
Definition: ffmpeg.h:401
#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
int quality
quality (between 1 (good) and FF_LAMBDA_MAX (bad))
Definition: frame.h:301
int do_pkt_dump
Definition: ffmpeg_opt.c:110
int64_t max_frames
Definition: ffmpeg.h:464
int(* hwaccel_retrieve_data)(AVCodecContext *s, AVFrame *frame)
Definition: ffmpeg.h:369
static void term_exit_sigsafe(void)
Definition: ffmpeg.c:307
int audio_channels_mapped
Definition: ffmpeg.h:492
int n
Definition: avisynth_c.h:684
AVDictionary * metadata
Definition: avformat.h:961
uint8_t * av_stream_new_side_data(AVStream *stream, enum AVPacketSideDataType type, int size)
Allocate new information from stream.
Definition: utils.c:5170
int ticks_per_frame
For some codecs, the time base is closer to the field rate than the frame rate.
Definition: avcodec.h:1878
#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:656
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:112
#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:4025
static int got_eagain(void)
Definition: ffmpeg.c:4075
int inputs_done
Definition: ffmpeg.h:516
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:219
static void error(const char *err)
int vstats_version
Definition: ffmpeg_opt.c:124
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
AVFrame * av_frame_clone(const AVFrame *src)
Create a new frame that references the same data as src.
Definition: frame.c:485
#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)
const char * avcodec_get_name(enum AVCodecID id)
Get the name of a codec.
Definition: utils.c:3187
void exit_program(int ret)
Wraps exit with a program-specific cleanup routine.
Definition: cmdutils.c:135
AVCodecContext * enc
Definition: muxing.c:55
#define AV_DISPOSITION_VISUAL_IMPAIRED
stream for visual impaired audiences
Definition: avformat.h:850
int ret
Definition: ffmpeg.h:338
Keep a reference to the frame.
Definition: buffersrc.h:53
int audio_volume
Definition: ffmpeg_opt.c:102
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:889
void avcodec_flush_buffers(AVCodecContext *avctx)
Reset the internal decoder state / flush internal buffers.
Definition: utils.c:3473
#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:486
int format
format of the frame, -1 if unknown or unset Values correspond to enum AVPixelFormat for video frames...
Definition: frame.h:251
InputFilter ** filters
Definition: ffmpeg.h:354
int fix_sub_duration
Definition: ffmpeg.h:335
int avcodec_send_packet(AVCodecContext *avctx, const AVPacket *avpkt)
Supply raw packet data as input to a decoder.
Definition: utils.c:2865
#define VSYNC_DROP
Definition: ffmpeg.h:56
static int ifilter_has_all_input_formats(FilterGraph *fg)
Definition: ffmpeg.c:2139
int64_t recording_time
Definition: ffmpeg.h:404
int avformat_network_deinit(void)
Undo the initialization done by avformat_network_init.
Definition: utils.c:4725
Definition: ffmpeg.h:72
int frame_size
Number of samples per channel in an audio frame.
Definition: avcodec.h:2514
static av_always_inline int pthread_create(pthread_t *thread, const pthread_attr_t *attr, void *(*start_routine)(void *), void *arg)
Definition: os2threads.h:74
static int check_init_output_file(OutputFile *of, int file_index)
Definition: ffmpeg.c:2937
#define AV_DISPOSITION_DEFAULT
Definition: avformat.h:836
AVStream * st
Definition: ffmpeg.h:293
static int sub2video_get_blank_frame(InputStream *ist)
Definition: ffmpeg.c:173
sample_rate
static void set_encoder_id(OutputFile *of, OutputStream *ost)
Definition: ffmpeg.c:3141
#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:1820
AVCodecParserContext * av_parser_init(int codec_id)
Definition: parser.c:51
#define AV_DISPOSITION_DESCRIPTIONS
Definition: avformat.h:872
int ost_index
Definition: ffmpeg.h:555
struct InputStream * sync_ist
Definition: ffmpeg.h:447
int avcodec_default_get_buffer2(AVCodecContext *s, AVFrame *frame, int flags)
The default callback for AVCodecContext.get_buffer2().
Definition: utils.c:728
enum AVMediaType codec_type
Definition: avcodec.h:1740
double ts_scale
Definition: ffmpeg.h:326
int unavailable
Definition: ffmpeg.h:508
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:172
static int init_input_stream(int ist_index, char *error, int error_len)
Definition: ffmpeg.c:2871
enum AVCodecID codec_id
Definition: avcodec.h:1749
void av_expr_free(AVExpr *e)
Free a parsed expression previously created with av_expr_parse().
Definition: eval.c:320
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:1589
static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h, AVSubtitleRect *r)
Definition: ffmpeg.c:188
float max_error_rate
Definition: ffmpeg_opt.c:121
int sample_rate
samples per second
Definition: avcodec.h:2494
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:218
uint64_t frames_encoded
Definition: ffmpeg.h:534
AVIOContext * pb
I/O context.
Definition: avformat.h:1391
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:543
int ist_index
Definition: ffmpeg.h:393
const struct AVCodecTag *const * codec_tag
List of supported codec_id-codec_tag pairs, ordered by "better choice first".
Definition: avformat.h:549
static int loop
Definition: ffplay.c:337
int debug
debug
Definition: avcodec.h:2973
static void print_sdp(void)
Definition: ffmpeg.c:2762
const char * graph_desc
Definition: ffmpeg.h:280
int guess_layout_max
Definition: ffmpeg.h:331
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:402
main external API structure.
Definition: avcodec.h:1732
void av_packet_unref(AVPacket *pkt)
Wipe the packet.
Definition: avpacket.c:589
#define AV_PIX_FMT_RGB32
Definition: pixfmt.h:326
uint8_t * data
The data buffer.
Definition: buffer.h:89
static void ffmpeg_cleanup(int ret)
Definition: ffmpeg.c:466
static int command(AVFilterContext *ctx, const char *cmd, const char *arg, char *res, int res_len, int flags)
Definition: vf_drawtext.c:770
int * sample_rates
Definition: ffmpeg.h:275
void avsubtitle_free(AVSubtitle *sub)
Free all allocated data in the given subtitle struct.
Definition: utils.c:2782
AVRational sample_aspect_ratio
Sample aspect ratio for the video frame, 0/1 if unknown/unspecified.
Definition: frame.h:266
const char * attachment_filename
Definition: ffmpeg.h:518
static int check_output_constraints(InputStream *ist, OutputStream *ost)
Definition: ffmpeg.c:1971
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: utils.c:3001
AVRational time_base
Definition: ffmpeg.h:397
void assert_avoptions(AVDictionary *m)
Definition: ffmpeg.c:632
AVCodecContext * enc_ctx
Definition: ffmpeg.h:461
void * buf
Definition: avisynth_c.h:690
AVFrame * decoded_frame
Definition: ffmpeg.h:302
GLint GLenum type
Definition: opengl_enc.c:105
int extradata_size
Definition: avcodec.h:1848
Perform non-blocking operation.
Definition: threadmessage.h:31
AVBufferRef * hw_frames_ctx
Definition: ffmpeg.h:250
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:4432
int nb_coded_side_data
Definition: avcodec.h:3561
int channels
Definition: ffmpeg.h:247
int * audio_channels_map
Definition: ffmpeg.h:491
#define VSYNC_PASSTHROUGH
Definition: ffmpeg.h:52
Describe the class of an AVClass context structure.
Definition: log.h:67
int sample_rate
Sample rate of the audio data.
Definition: frame.h:351
int configure_filtergraph(FilterGraph *fg)
enum AVPixelFormat(* get_format)(struct AVCodecContext *s, const enum AVPixelFormat *fmt)
callback to negotiate the pixelFormat
Definition: avcodec.h:2010
int av_frame_get_channels(const AVFrame *frame)
OutputStream ** output_streams
Definition: ffmpeg.c:149
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:2985
Rational number (pair of numerator and denominator).
Definition: rational.h:58
int file_index
Definition: ffmpeg.h:439
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:429
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:4207
static int current_time
Definition: ffmpeg.c:139
int64_t sync_opts
Definition: ffmpeg.h:448
char * vstats_filename
Definition: ffmpeg_opt.c:95
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:164
AVCodecContext * dec_ctx
Definition: ffmpeg.h:300
char * disposition
Definition: ffmpeg.h:521
This struct describes a set or pool of "hardware" frames (i.e.
Definition: hwcontext.h:117
int filtergraph_is_simple(FilterGraph *fg)
#define mid_pred
Definition: mathops.h:97
AVMediaType
Definition: avutil.h:199
discard useless packets like 0 size packets in avi
Definition: avcodec.h:817
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:1079
int av_buffersink_get_w(const AVFilterContext *ctx)
int nb_streams_warn
Definition: ffmpeg.h:407
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:2649
AVDictionary * decoder_opts
Definition: ffmpeg.h:328
int autorotate
Definition: ffmpeg.h:333
const char * name
Name of the codec described by this descriptor.
Definition: avcodec.h:703
int avcodec_open2(AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options)
Initialize the AVCodecContext to use the given AVCodec.
Definition: utils.c:1242
#define snprintf
Definition: snprintf.h:34
int frame_bits_per_raw_sample
Definition: ffmpeg_opt.c:120
void avformat_free_context(AVFormatContext *s)
Free an AVFormatContext and all its streams.
Definition: utils.c:4166
#define u(width,...)
int64_t ts_offset
Definition: ffmpeg.h:400
uint32_t DWORD
unsigned av_buffersrc_get_nb_failed_requests(AVFilterContext *buffer_src)
Get the number of failed requests.
Definition: buffersrc.c:291
static int transcode_step(void)
Run a single step of transcoding.
Definition: ffmpeg.c:4478
char * filters_script
filtergraph script associated to the -filter_script option
Definition: ffmpeg.h:500
int av_get_audio_frame_duration(AVCodecContext *avctx, int frame_bytes)
Return audio frame duration.
Definition: utils.c:3777
misc parsing utilities
int av_read_frame(AVFormatContext *s, AVPacket *pkt)
Return the next frame of a stream.
Definition: utils.c:1710
static AVRational duration_max(int64_t tmp, int64_t *duration, AVRational tmp_time_base, AVRational time_base)
Definition: ffmpeg.c:4094
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:262
This struct describes the properties of a single codec described by an AVCodecID. ...
Definition: avcodec.h:695
AVFrame * filtered_frame
Definition: ffmpeg.h:465
int source_index
Definition: ffmpeg.h:441
int av_frame_get_buffer(AVFrame *frame, int align)
Allocate new buffer(s) for audio or video data.
Definition: frame.c:280
static volatile int received_nb_signals
Definition: ffmpeg.c:322
int copy_prior_start
Definition: ffmpeg.h:520
void av_frame_unref(AVFrame *frame)
Unreference all the buffers referenced by frame and reset the frame fields.
Definition: frame.c:498
int global_quality
Global quality for codecs which cannot change it per frame.
Definition: avcodec.h:1813
static void close_all_output_streams(OutputStream *ost, OSTFinished this_stream, OSTFinished others)
Definition: ffmpeg.c:663
static int64_t pts
Global timestamp for the audio frames.
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:79
void av_thread_message_queue_free(AVThreadMessageQueue **mq)
Free a message queue.
Definition: threadmessage.c:91
int nb_filters
Definition: ffmpeg.h:355
static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
Definition: ffmpeg.c:2816
int64_t start_time
Position of the first frame of the component, in AV_TIME_BASE fractional seconds. ...
Definition: avformat.h:1434
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:201
uint8_t level
Definition: svq3.c:207
AVExpr * forced_keyframes_pexpr
Definition: ffmpeg.h:487
int av_get_bytes_per_sample(enum AVSampleFormat sample_fmt)
Return number of bytes per sample.
Definition: samplefmt.c:106
int64_t dts
dts of the last packet read for this stream (in AV_TIME_BASE units)
Definition: ffmpeg.h:309
int av_seek_frame(AVFormatContext *s, int stream_index, int64_t timestamp, int flags)
Seek to the keyframe at timestamp.
Definition: utils.c:2447
int av_strerror(int errnum, char *errbuf, size_t errbuf_size)
Put a description of the AVERROR code errnum in errbuf.
Definition: error.c:105
int forced_kf_count
Definition: ffmpeg.h:484
int64_t start
Definition: avformat.h:1309
int64_t duration
Decoding: duration of the stream, in stream time base.
Definition: avformat.h:946
static av_always_inline AVRational av_inv_q(AVRational q)
Invert a rational.
Definition: rational.h:159
OSTFinished finished
Definition: ffmpeg.h:507
char * forced_keyframes
Definition: ffmpeg.h:486
int sample_rate
Audio only.
Definition: avcodec.h:4176
uint64_t data_size
Definition: ffmpeg.h:376
void avdevice_register_all(void)
Initialize libavdevice and register all the input and output devices.
Definition: alldevices.c:74
int64_t next_pts
synthetic pts for the next decode frame (in AV_TIME_BASE units)
Definition: ffmpeg.h:311
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:1051
struct FilterGraph * graph
Definition: ffmpeg.h:258
uint64_t limit_filesize
Definition: ffmpeg.h:558
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:62
static void print_final_stats(int64_t total_size)
Definition: ffmpeg.c:1530
AVIOContext * progress_avio
Definition: ffmpeg.c:140
int main(int argc, char **argv)
Definition: ffmpeg.c:4728
#define AVFMT_NOFILE
Demuxer will use avio_open, no opened file should be provided by the caller.
Definition: avformat.h:478
AVCodecParameters * ref_par
Definition: ffmpeg.h:462
#define VSYNC_CFR
Definition: ffmpeg.h:53
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:1065
int64_t start_time
Decoding: pts of the first frame of the stream in presentation order, in stream time base...
Definition: avformat.h:936
static double c[64]
#define AVFMT_NOSTREAMS
Format does not require any streams.
Definition: avformat.h:491
AVStream * st
Definition: muxing.c:54
int disposition
AV_DISPOSITION_* bit field.
Definition: avformat.h:950
static AVCodecContext * dec_ctx
uint32_t start_display_time
Definition: avcodec.h:4044
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:1055
uint64_t samples_encoded
Definition: ffmpeg.h:535
AVRational time_base
time base in which the start/end timestamps are specified
Definition: avformat.h:1308
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:3190
int64_t nb_frames
number of frames in this stream if known or 0
Definition: avformat.h:948
char * key
Definition: dict.h:86
static FILE * vstats_file
Definition: ffmpeg.c:115
int den
Denominator.
Definition: rational.h:60
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_YASM &&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
void uninit_opts(void)
Uninitialize the cmdutils option system, in particular free the *_opts contexts and their contents...
Definition: cmdutils.c:89
AVFrame * last_frame
Definition: ffmpeg.h:466
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:248
#define AV_PKT_FLAG_CORRUPT
The packet content is corrupted.
Definition: avcodec.h:1690
int copy_ts
Definition: ffmpeg_opt.c:111
static void do_video_out(OutputFile *of, OutputStream *ost, AVFrame *next_picture, double sync_ipts)
Definition: ffmpeg.c:1036
struct AVInputFormat * iformat
The input container format.
Definition: avformat.h:1361
void avformat_close_input(AVFormatContext **s)
Close an opened input AVFormatContext.
Definition: utils.c:4203
AVFormatContext * ctx
Definition: ffmpeg.h:390
int pict_type
Definition: ffmpeg.h:546
AVBufferRef * hw_device_ctx
Definition: ffmpeg_opt.c:93
AVSubtitle subtitle
Definition: ffmpeg.h:339
#define AV_CODEC_FLAG_PASS2
Use internal 2pass ratecontrol in second pass mode.
Definition: avcodec.h:888
int eof_reached
Definition: ffmpeg.h:391
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:485
#define AVFMT_VARIABLE_FPS
Format allows variable fps.
Definition: avformat.h:489
char * avfilter
Definition: ffmpeg.h:498
uint8_t * name
Definition: ffmpeg.h:235
char * value
Definition: dict.h:87
AVFifoBuffer * av_fifo_alloc(unsigned int size)
Initialize an AVFifoBuffer.
Definition: fifo.c:43
int top_field_first
If the content is interlaced, is top field displayed first.
Definition: frame.h:330
#define av_ts2str(ts)
Convenience macro, the return value should be used only directly in function arguments but never stan...
Definition: timestamp.h:54
#define NAN
Definition: math.h:28
float dts_delta_threshold
Definition: ffmpeg_opt.c:99
double av_expr_eval(AVExpr *e, const double *const_values, void *opaque)
Evaluate a previously parsed expression.
Definition: eval.c:716
int channels
number of audio channels
Definition: avcodec.h:2495
int top_field_first
Definition: ffmpeg.h:476
int av_buffersink_get_channels(const AVFilterContext *ctx)
OutputFilter ** outputs
Definition: ffmpeg.h:287
InputFile ** input_files
Definition: ffmpeg.c:146
static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
Definition: ffmpeg.c:2861
void av_log_set_flags(int arg)
Definition: log.c:396
int key_frame
1 -> keyframe, 0-> not
Definition: frame.h:256
#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:2150
AVFormatContext * ctx
Definition: ffmpeg.h:553
#define lrint
Definition: tablegen.h:53
#define AV_DISPOSITION_COMMENT
Definition: avformat.h:839
void show_usage(void)
Definition: ffmpeg_opt.c:3166
int channels
Audio only.
Definition: avcodec.h:4172
An instance of a filter.
Definition: avfilter.h:323
static void do_audio_out(OutputFile *of, OutputStream *ost, AVFrame *frame)
Definition: ffmpeg.c:893
#define LIBAVCODEC_IDENT
Definition: version.h:42
char * hwaccel_device
Definition: ffmpeg.h:361
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed...
Definition: avcodec.h:1656
AVRational av_mul_q(AVRational b, AVRational c)
Multiply two rationals.
Definition: rational.c:80
AVDictionary * encoder_opts
Definition: ffmpeg.h:502
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:1307
const int program_birth_year
program birth year, defined by the program for show_banner()
Definition: ffmpeg.c:113
int repeat_pict
This field is used for proper frame duration computation in lavf.
Definition: avcodec.h:5093
int height
Definition: frame.h:239
FILE * out
Definition: movenc.c:54
InputFilter ** inputs
Definition: ffmpeg.h:285
#define av_freep(p)
enum AVPixelFormat hwaccel_retrieved_pix_fmt
Definition: ffmpeg.h:371
const char * name
A comma separated list of short names for the format.
Definition: avformat.h:664
static int decode(AVCodecContext *avctx, AVFrame *frame, int *got_frame, AVPacket *pkt)
Definition: ffmpeg.c:2257
#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:2579
#define FF_DEBUG_VIS_QP
Definition: avcodec.h:2995
OutputFile ** output_files
Definition: ffmpeg.c:151
#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
Definition: avformat.h:1252
#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
static void flush_encoders(void)
Definition: ffmpeg.c:1839
uint32_t codec_tag
Additional information about the codec (corresponds to the AVI FOURCC).
Definition: avcodec.h:4070
int copy_tb
Definition: ffmpeg_opt.c:113
int64_t min_pts
Definition: ffmpeg.h:317
int initialized
Definition: ffmpeg.h:514
static volatile int received_sigterm
Definition: ffmpeg.c:321
#define FFSWAP(type, a, b)
Definition: common.h:99
int discard
Definition: ffmpeg.h:294
static int get_input_packet(InputFile *f, AVPacket *pkt)
Definition: ffmpeg.c:4055
const char * av_get_pix_fmt_name(enum AVPixelFormat pix_fmt)
Return the short name for a pixel format, NULL in case pix_fmt is unknown.
Definition: pixdesc.c:2249
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:1659
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
Definition: avformat.h:926
enum HWAccelID hwaccel_id
Definition: ffmpeg.h:360
int depth
Number of bits in the component.
Definition: pixdesc.h:58
enum AVSubtitleType type
Definition: avcodec.h:4028
int64_t first_pts
Definition: ffmpeg.h:451
int nb_inputs
Definition: ffmpeg.h:286
enum AVDiscard discard
Selects which packets can be discarded at will and do not need to be demuxed.
Definition: avformat.h:952
int av_copy_packet_side_data(AVPacket *dst, const AVPacket *src)
Copy packet side data.
Definition: avpacket.c:226
#define DECODING_FOR_OST
Definition: ffmpeg.h:297
int index
Definition: ffmpeg.h:440
AVRational r_frame_rate
Real base framerate of the stream.
Definition: avformat.h:1108
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_RL32
Definition: bytestream.h:87
AVPixelFormat
Pixel format.
Definition: pixfmt.h:60
OSTFinished
Definition: ffmpeg.h:433
This structure stores compressed data.
Definition: avcodec.h:1634
void av_register_all(void)
Initialize libavformat and register all the muxers, demuxers and protocols.
Definition: allformats.c:385
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:1114
AVCodecParameters * par_in
Parameters of the input stream.
Definition: avcodec.h:5858
int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size, const AVSubtitle *sub)
Definition: utils.c:2053
AVFifoBuffer * frame_queue
Definition: ffmpeg.h:238
int debug_ts
Definition: ffmpeg_opt.c:114
AVRational av_buffersink_get_time_base(const AVFilterContext *ctx)
static OutputStream * choose_output(void)
Select the output stream to process.
Definition: ffmpeg.c:3808
int nb_samples
number of audio samples (per channel) described by this frame
Definition: frame.h:244
static void sigterm_handler(int sig)
Definition: ffmpeg.c:328
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
Definition: avcodec.h:1650
int64_t av_stream_get_end_pts(const AVStream *st)
Returns the pts of the last muxed packet + its duration.
Definition: utils.c:122
void * opaque
Private data of the user, can be used to carry app specific stuff.
Definition: avcodec.h:1789
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:1507
#define AV_DISPOSITION_ORIGINAL
Definition: avformat.h:838
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:144
static unsigned dup_warning
Definition: ffmpeg.c:133
const HWAccel hwaccels[]
Definition: ffmpeg_opt.c:68
Definition: ffmpeg.h:425
static void close_output_stream(OutputStream *ost)
Definition: ffmpeg.c:807
uint8_t * subtitle_header
Header containing style information for text subtitles.
Definition: avcodec.h:3365
static uint8_t tmp[11]
Definition: aes_ctr.c:26