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libx264.c
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1 /*
2  * H.264 encoding using the x264 library
3  * Copyright (C) 2005 Mans Rullgard <mans@mansr.com>
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 #include "libavutil/eval.h"
23 #include "libavutil/internal.h"
24 #include "libavutil/opt.h"
25 #include "libavutil/mem.h"
26 #include "libavutil/pixdesc.h"
27 #include "libavutil/stereo3d.h"
28 #include "libavutil/intreadwrite.h"
29 #include "avcodec.h"
30 #include "internal.h"
31 
32 #if defined(_MSC_VER)
33 #define X264_API_IMPORTS 1
34 #endif
35 
36 #include <x264.h>
37 #include <float.h>
38 #include <math.h>
39 #include <stdio.h>
40 #include <stdlib.h>
41 #include <string.h>
42 
43 typedef struct X264Context {
44  AVClass *class;
45  x264_param_t params;
46  x264_t *enc;
47  x264_picture_t pic;
49  int sei_size;
50  char *preset;
51  char *tune;
52  char *profile;
53  char *level;
55  char *wpredp;
56  char *x264opts;
57  float crf;
58  float crf_max;
59  int cqp;
60  int aq_mode;
61  float aq_strength;
62  char *psy_rd;
63  int psy;
65  int weightp;
66  int weightb;
67  int ssim;
70  int b_bias;
71  int b_pyramid;
73  int dct8x8;
75  int aud;
76  int mbtree;
77  char *deblock;
78  float cplxblur;
79  char *partitions;
82  char *stats;
83  int nal_hrd;
87  int coder;
88  int a53_cc;
93 
94  char *x264_params;
95 } X264Context;
96 
97 static void X264_log(void *p, int level, const char *fmt, va_list args)
98 {
99  static const int level_map[] = {
100  [X264_LOG_ERROR] = AV_LOG_ERROR,
101  [X264_LOG_WARNING] = AV_LOG_WARNING,
102  [X264_LOG_INFO] = AV_LOG_INFO,
103  [X264_LOG_DEBUG] = AV_LOG_DEBUG
104  };
105 
106  if (level < 0 || level > X264_LOG_DEBUG)
107  return;
108 
109  av_vlog(p, level_map[level], fmt, args);
110 }
111 
112 
114  const x264_nal_t *nals, int nnal)
115 {
116  X264Context *x4 = ctx->priv_data;
117  uint8_t *p;
118  int i, size = x4->sei_size, ret;
119 
120  if (!nnal)
121  return 0;
122 
123  for (i = 0; i < nnal; i++)
124  size += nals[i].i_payload;
125 
126  if ((ret = ff_alloc_packet2(ctx, pkt, size, 0)) < 0)
127  return ret;
128 
129  p = pkt->data;
130 
131  /* Write the SEI as part of the first frame. */
132  if (x4->sei_size > 0 && nnal > 0) {
133  if (x4->sei_size > size) {
134  av_log(ctx, AV_LOG_ERROR, "Error: nal buffer is too small\n");
135  return -1;
136  }
137  memcpy(p, x4->sei, x4->sei_size);
138  p += x4->sei_size;
139  x4->sei_size = 0;
140  av_freep(&x4->sei);
141  }
142 
143  for (i = 0; i < nnal; i++){
144  memcpy(p, nals[i].p_payload, nals[i].i_payload);
145  p += nals[i].i_payload;
146  }
147 
148  return 1;
149 }
150 
151 static int avfmt2_num_planes(int avfmt)
152 {
153  switch (avfmt) {
154  case AV_PIX_FMT_YUV420P:
155  case AV_PIX_FMT_YUVJ420P:
156  case AV_PIX_FMT_YUV420P9:
158  case AV_PIX_FMT_YUV444P:
159  return 3;
160 
161  case AV_PIX_FMT_BGR0:
162  case AV_PIX_FMT_BGR24:
163  case AV_PIX_FMT_RGB24:
164  case AV_PIX_FMT_GRAY8:
165  case AV_PIX_FMT_GRAY10:
166  return 1;
167 
168  default:
169  return 3;
170  }
171 }
172 
174 {
175  X264Context *x4 = ctx->priv_data;
176  AVFrameSideData *side_data;
177 
178 
179  if (x4->avcintra_class < 0) {
180  if (x4->params.b_interlaced && x4->params.b_tff != frame->top_field_first) {
181 
182  x4->params.b_tff = frame->top_field_first;
183  x264_encoder_reconfig(x4->enc, &x4->params);
184  }
185  if (x4->params.vui.i_sar_height*ctx->sample_aspect_ratio.num != ctx->sample_aspect_ratio.den * x4->params.vui.i_sar_width) {
186  x4->params.vui.i_sar_height = ctx->sample_aspect_ratio.den;
187  x4->params.vui.i_sar_width = ctx->sample_aspect_ratio.num;
188  x264_encoder_reconfig(x4->enc, &x4->params);
189  }
190 
191  if (x4->params.rc.i_vbv_buffer_size != ctx->rc_buffer_size / 1000 ||
192  x4->params.rc.i_vbv_max_bitrate != ctx->rc_max_rate / 1000) {
193  x4->params.rc.i_vbv_buffer_size = ctx->rc_buffer_size / 1000;
194  x4->params.rc.i_vbv_max_bitrate = ctx->rc_max_rate / 1000;
195  x264_encoder_reconfig(x4->enc, &x4->params);
196  }
197 
198  if (x4->params.rc.i_rc_method == X264_RC_ABR &&
199  x4->params.rc.i_bitrate != ctx->bit_rate / 1000) {
200  x4->params.rc.i_bitrate = ctx->bit_rate / 1000;
201  x264_encoder_reconfig(x4->enc, &x4->params);
202  }
203 
204  if (x4->crf >= 0 &&
205  x4->params.rc.i_rc_method == X264_RC_CRF &&
206  x4->params.rc.f_rf_constant != x4->crf) {
207  x4->params.rc.f_rf_constant = x4->crf;
208  x264_encoder_reconfig(x4->enc, &x4->params);
209  }
210 
211  if (x4->params.rc.i_rc_method == X264_RC_CQP &&
212  x4->cqp >= 0 &&
213  x4->params.rc.i_qp_constant != x4->cqp) {
214  x4->params.rc.i_qp_constant = x4->cqp;
215  x264_encoder_reconfig(x4->enc, &x4->params);
216  }
217 
218  if (x4->crf_max >= 0 &&
219  x4->params.rc.f_rf_constant_max != x4->crf_max) {
220  x4->params.rc.f_rf_constant_max = x4->crf_max;
221  x264_encoder_reconfig(x4->enc, &x4->params);
222  }
223  }
224 
226  if (side_data) {
227  AVStereo3D *stereo = (AVStereo3D *)side_data->data;
228  int fpa_type;
229 
230  switch (stereo->type) {
232  fpa_type = 0;
233  break;
234  case AV_STEREO3D_COLUMNS:
235  fpa_type = 1;
236  break;
237  case AV_STEREO3D_LINES:
238  fpa_type = 2;
239  break;
241  fpa_type = 3;
242  break;
244  fpa_type = 4;
245  break;
247  fpa_type = 5;
248  break;
249 #if X264_BUILD >= 145
250  case AV_STEREO3D_2D:
251  fpa_type = 6;
252  break;
253 #endif
254  default:
255  fpa_type = -1;
256  break;
257  }
258 
259  /* Inverted mode is not supported by x264 */
260  if (stereo->flags & AV_STEREO3D_FLAG_INVERT) {
261  av_log(ctx, AV_LOG_WARNING,
262  "Ignoring unsupported inverted stereo value %d\n", fpa_type);
263  fpa_type = -1;
264  }
265 
266  if (fpa_type != x4->params.i_frame_packing) {
267  x4->params.i_frame_packing = fpa_type;
268  x264_encoder_reconfig(x4->enc, &x4->params);
269  }
270  }
271 }
272 
274  int *got_packet)
275 {
276  X264Context *x4 = ctx->priv_data;
277  x264_nal_t *nal;
278  int nnal, i, ret;
279  x264_picture_t pic_out = {0};
280  int pict_type;
281 
282  x264_picture_init( &x4->pic );
283  x4->pic.img.i_csp = x4->params.i_csp;
284 #if X264_BUILD >= 153
285  if (x4->params.i_bitdepth > 8)
286 #else
287  if (x264_bit_depth > 8)
288 #endif
289  x4->pic.img.i_csp |= X264_CSP_HIGH_DEPTH;
290  x4->pic.img.i_plane = avfmt2_num_planes(ctx->pix_fmt);
291 
292  if (frame) {
293  for (i = 0; i < x4->pic.img.i_plane; i++) {
294  x4->pic.img.plane[i] = frame->data[i];
295  x4->pic.img.i_stride[i] = frame->linesize[i];
296  }
297 
298  x4->pic.i_pts = frame->pts;
299 
300  switch (frame->pict_type) {
301  case AV_PICTURE_TYPE_I:
302  x4->pic.i_type = x4->forced_idr > 0 ? X264_TYPE_IDR
303  : X264_TYPE_KEYFRAME;
304  break;
305  case AV_PICTURE_TYPE_P:
306  x4->pic.i_type = X264_TYPE_P;
307  break;
308  case AV_PICTURE_TYPE_B:
309  x4->pic.i_type = X264_TYPE_B;
310  break;
311  default:
312  x4->pic.i_type = X264_TYPE_AUTO;
313  break;
314  }
315  reconfig_encoder(ctx, frame);
316 
317  if (x4->a53_cc) {
318  void *sei_data;
319  size_t sei_size;
320 
321  ret = ff_alloc_a53_sei(frame, 0, &sei_data, &sei_size);
322  if (ret < 0) {
323  av_log(ctx, AV_LOG_ERROR, "Not enough memory for closed captions, skipping\n");
324  } else if (sei_data) {
325  x4->pic.extra_sei.payloads = av_mallocz(sizeof(x4->pic.extra_sei.payloads[0]));
326  if (x4->pic.extra_sei.payloads == NULL) {
327  av_log(ctx, AV_LOG_ERROR, "Not enough memory for closed captions, skipping\n");
328  av_free(sei_data);
329  } else {
330  x4->pic.extra_sei.sei_free = av_free;
331 
332  x4->pic.extra_sei.payloads[0].payload_size = sei_size;
333  x4->pic.extra_sei.payloads[0].payload = sei_data;
334  x4->pic.extra_sei.num_payloads = 1;
335  x4->pic.extra_sei.payloads[0].payload_type = 4;
336  }
337  }
338  }
339  }
340 
341  do {
342  if (x264_encoder_encode(x4->enc, &nal, &nnal, frame? &x4->pic: NULL, &pic_out) < 0)
343  return AVERROR_EXTERNAL;
344 
345  ret = encode_nals(ctx, pkt, nal, nnal);
346  if (ret < 0)
347  return ret;
348  } while (!ret && !frame && x264_encoder_delayed_frames(x4->enc));
349 
350  pkt->pts = pic_out.i_pts;
351  pkt->dts = pic_out.i_dts;
352 
353 
354  switch (pic_out.i_type) {
355  case X264_TYPE_IDR:
356  case X264_TYPE_I:
357  pict_type = AV_PICTURE_TYPE_I;
358  break;
359  case X264_TYPE_P:
360  pict_type = AV_PICTURE_TYPE_P;
361  break;
362  case X264_TYPE_B:
363  case X264_TYPE_BREF:
364  pict_type = AV_PICTURE_TYPE_B;
365  break;
366  default:
367  pict_type = AV_PICTURE_TYPE_NONE;
368  }
369 #if FF_API_CODED_FRAME
371  ctx->coded_frame->pict_type = pict_type;
373 #endif
374 
375  pkt->flags |= AV_PKT_FLAG_KEY*pic_out.b_keyframe;
376  if (ret) {
377  ff_side_data_set_encoder_stats(pkt, (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA, NULL, 0, pict_type);
378 
379 #if FF_API_CODED_FRAME
381  ctx->coded_frame->quality = (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA;
383 #endif
384  }
385 
386  *got_packet = ret;
387  return 0;
388 }
389 
391 {
392  X264Context *x4 = avctx->priv_data;
393 
394  av_freep(&avctx->extradata);
395  av_freep(&x4->sei);
396 
397  if (x4->enc) {
398  x264_encoder_close(x4->enc);
399  x4->enc = NULL;
400  }
401 
402  return 0;
403 }
404 
405 #define OPT_STR(opt, param) \
406  do { \
407  int ret; \
408  if ((ret = x264_param_parse(&x4->params, opt, param)) < 0) { \
409  if(ret == X264_PARAM_BAD_NAME) \
410  av_log(avctx, AV_LOG_ERROR, \
411  "bad option '%s': '%s'\n", opt, param); \
412  else \
413  av_log(avctx, AV_LOG_ERROR, \
414  "bad value for '%s': '%s'\n", opt, param); \
415  return -1; \
416  } \
417  } while (0)
418 
420 {
421  switch (pix_fmt) {
422  case AV_PIX_FMT_YUV420P:
423  case AV_PIX_FMT_YUVJ420P:
424  case AV_PIX_FMT_YUV420P9:
425  case AV_PIX_FMT_YUV420P10: return X264_CSP_I420;
426  case AV_PIX_FMT_YUV422P:
427  case AV_PIX_FMT_YUVJ422P:
428  case AV_PIX_FMT_YUV422P10: return X264_CSP_I422;
429  case AV_PIX_FMT_YUV444P:
430  case AV_PIX_FMT_YUVJ444P:
431  case AV_PIX_FMT_YUV444P9:
432  case AV_PIX_FMT_YUV444P10: return X264_CSP_I444;
433 #if CONFIG_LIBX264RGB_ENCODER
434  case AV_PIX_FMT_BGR0:
435  return X264_CSP_BGRA;
436  case AV_PIX_FMT_BGR24:
437  return X264_CSP_BGR;
438 
439  case AV_PIX_FMT_RGB24:
440  return X264_CSP_RGB;
441 #endif
442  case AV_PIX_FMT_NV12: return X264_CSP_NV12;
443  case AV_PIX_FMT_NV16:
444  case AV_PIX_FMT_NV20: return X264_CSP_NV16;
445 #ifdef X264_CSP_NV21
446  case AV_PIX_FMT_NV21: return X264_CSP_NV21;
447 #endif
448 #ifdef X264_CSP_I400
449  case AV_PIX_FMT_GRAY8:
450  case AV_PIX_FMT_GRAY10: return X264_CSP_I400;
451 #endif
452  };
453  return 0;
454 }
455 
456 #define PARSE_X264_OPT(name, var)\
457  if (x4->var && x264_param_parse(&x4->params, name, x4->var) < 0) {\
458  av_log(avctx, AV_LOG_ERROR, "Error parsing option '%s' with value '%s'.\n", name, x4->var);\
459  return AVERROR(EINVAL);\
460  }
461 
462 static av_cold int X264_init(AVCodecContext *avctx)
463 {
464  X264Context *x4 = avctx->priv_data;
465  AVCPBProperties *cpb_props;
466  int sw,sh;
467 
468  if (avctx->global_quality > 0)
469  av_log(avctx, AV_LOG_WARNING, "-qscale is ignored, -crf is recommended.\n");
470 
471 #if CONFIG_LIBX262_ENCODER
472  if (avctx->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
473  x4->params.b_mpeg2 = 1;
474  x264_param_default_mpeg2(&x4->params);
475  } else
476 #endif
477  x264_param_default(&x4->params);
478 
479  x4->params.b_deblocking_filter = avctx->flags & AV_CODEC_FLAG_LOOP_FILTER;
480 
481  if (x4->preset || x4->tune)
482  if (x264_param_default_preset(&x4->params, x4->preset, x4->tune) < 0) {
483  int i;
484  av_log(avctx, AV_LOG_ERROR, "Error setting preset/tune %s/%s.\n", x4->preset, x4->tune);
485  av_log(avctx, AV_LOG_INFO, "Possible presets:");
486  for (i = 0; x264_preset_names[i]; i++)
487  av_log(avctx, AV_LOG_INFO, " %s", x264_preset_names[i]);
488  av_log(avctx, AV_LOG_INFO, "\n");
489  av_log(avctx, AV_LOG_INFO, "Possible tunes:");
490  for (i = 0; x264_tune_names[i]; i++)
491  av_log(avctx, AV_LOG_INFO, " %s", x264_tune_names[i]);
492  av_log(avctx, AV_LOG_INFO, "\n");
493  return AVERROR(EINVAL);
494  }
495 
496  if (avctx->level > 0)
497  x4->params.i_level_idc = avctx->level;
498 
499  x4->params.pf_log = X264_log;
500  x4->params.p_log_private = avctx;
501  x4->params.i_log_level = X264_LOG_DEBUG;
502  x4->params.i_csp = convert_pix_fmt(avctx->pix_fmt);
503 #if X264_BUILD >= 153
504  x4->params.i_bitdepth = av_pix_fmt_desc_get(avctx->pix_fmt)->comp[0].depth;
505 #endif
506 
507  PARSE_X264_OPT("weightp", wpredp);
508 
509  if (avctx->bit_rate) {
510  x4->params.rc.i_bitrate = avctx->bit_rate / 1000;
511  x4->params.rc.i_rc_method = X264_RC_ABR;
512  }
513  x4->params.rc.i_vbv_buffer_size = avctx->rc_buffer_size / 1000;
514  x4->params.rc.i_vbv_max_bitrate = avctx->rc_max_rate / 1000;
515  x4->params.rc.b_stat_write = avctx->flags & AV_CODEC_FLAG_PASS1;
516  if (avctx->flags & AV_CODEC_FLAG_PASS2) {
517  x4->params.rc.b_stat_read = 1;
518  } else {
519  if (x4->crf >= 0) {
520  x4->params.rc.i_rc_method = X264_RC_CRF;
521  x4->params.rc.f_rf_constant = x4->crf;
522  } else if (x4->cqp >= 0) {
523  x4->params.rc.i_rc_method = X264_RC_CQP;
524  x4->params.rc.i_qp_constant = x4->cqp;
525  }
526 
527  if (x4->crf_max >= 0)
528  x4->params.rc.f_rf_constant_max = x4->crf_max;
529  }
530 
531  if (avctx->rc_buffer_size && avctx->rc_initial_buffer_occupancy > 0 &&
532  (avctx->rc_initial_buffer_occupancy <= avctx->rc_buffer_size)) {
533  x4->params.rc.f_vbv_buffer_init =
534  (float)avctx->rc_initial_buffer_occupancy / avctx->rc_buffer_size;
535  }
536 
537  PARSE_X264_OPT("level", level);
538 
539  if (avctx->i_quant_factor > 0)
540  x4->params.rc.f_ip_factor = 1 / fabs(avctx->i_quant_factor);
541  if (avctx->b_quant_factor > 0)
542  x4->params.rc.f_pb_factor = avctx->b_quant_factor;
543 
544 #if FF_API_PRIVATE_OPT
546  if (avctx->chromaoffset >= 0)
547  x4->chroma_offset = avctx->chromaoffset;
549 #endif
550  if (x4->chroma_offset >= 0)
551  x4->params.analyse.i_chroma_qp_offset = x4->chroma_offset;
552 
553  if (avctx->gop_size >= 0)
554  x4->params.i_keyint_max = avctx->gop_size;
555  if (avctx->max_b_frames >= 0)
556  x4->params.i_bframe = avctx->max_b_frames;
557 
558 #if FF_API_PRIVATE_OPT
560  if (avctx->scenechange_threshold >= 0)
563 #endif
564  if (x4->scenechange_threshold >= 0)
565  x4->params.i_scenecut_threshold = x4->scenechange_threshold;
566 
567  if (avctx->qmin >= 0)
568  x4->params.rc.i_qp_min = avctx->qmin;
569  if (avctx->qmax >= 0)
570  x4->params.rc.i_qp_max = avctx->qmax;
571  if (avctx->max_qdiff >= 0)
572  x4->params.rc.i_qp_step = avctx->max_qdiff;
573  if (avctx->qblur >= 0)
574  x4->params.rc.f_qblur = avctx->qblur; /* temporally blur quants */
575  if (avctx->qcompress >= 0)
576  x4->params.rc.f_qcompress = avctx->qcompress; /* 0.0 => cbr, 1.0 => constant qp */
577  if (avctx->refs >= 0)
578  x4->params.i_frame_reference = avctx->refs;
579  else if (x4->level) {
580  int i;
581  int mbn = AV_CEIL_RSHIFT(avctx->width, 4) * AV_CEIL_RSHIFT(avctx->height, 4);
582  int level_id = -1;
583  char *tail;
584  int scale = X264_BUILD < 129 ? 384 : 1;
585 
586  if (!strcmp(x4->level, "1b")) {
587  level_id = 9;
588  } else if (strlen(x4->level) <= 3){
589  level_id = av_strtod(x4->level, &tail) * 10 + 0.5;
590  if (*tail)
591  level_id = -1;
592  }
593  if (level_id <= 0)
594  av_log(avctx, AV_LOG_WARNING, "Failed to parse level\n");
595 
596  for (i = 0; i<x264_levels[i].level_idc; i++)
597  if (x264_levels[i].level_idc == level_id)
598  x4->params.i_frame_reference = av_clip(x264_levels[i].dpb / mbn / scale, 1, x4->params.i_frame_reference);
599  }
600 
601  if (avctx->trellis >= 0)
602  x4->params.analyse.i_trellis = avctx->trellis;
603  if (avctx->me_range >= 0)
604  x4->params.analyse.i_me_range = avctx->me_range;
605 #if FF_API_PRIVATE_OPT
607  if (avctx->noise_reduction >= 0)
608  x4->noise_reduction = avctx->noise_reduction;
610 #endif
611  if (x4->noise_reduction >= 0)
612  x4->params.analyse.i_noise_reduction = x4->noise_reduction;
613  if (avctx->me_subpel_quality >= 0)
614  x4->params.analyse.i_subpel_refine = avctx->me_subpel_quality;
615 #if FF_API_PRIVATE_OPT
617  if (avctx->b_frame_strategy >= 0)
618  x4->b_frame_strategy = avctx->b_frame_strategy;
620 #endif
621  if (avctx->keyint_min >= 0)
622  x4->params.i_keyint_min = avctx->keyint_min;
623 #if FF_API_CODER_TYPE
625  if (avctx->coder_type >= 0)
626  x4->coder = avctx->coder_type == FF_CODER_TYPE_AC;
628 #endif
629  if (avctx->me_cmp >= 0)
630  x4->params.analyse.b_chroma_me = avctx->me_cmp & FF_CMP_CHROMA;
631 
632  if (x4->aq_mode >= 0)
633  x4->params.rc.i_aq_mode = x4->aq_mode;
634  if (x4->aq_strength >= 0)
635  x4->params.rc.f_aq_strength = x4->aq_strength;
636  PARSE_X264_OPT("psy-rd", psy_rd);
637  PARSE_X264_OPT("deblock", deblock);
638  PARSE_X264_OPT("partitions", partitions);
639  PARSE_X264_OPT("stats", stats);
640  if (x4->psy >= 0)
641  x4->params.analyse.b_psy = x4->psy;
642  if (x4->rc_lookahead >= 0)
643  x4->params.rc.i_lookahead = x4->rc_lookahead;
644  if (x4->weightp >= 0)
645  x4->params.analyse.i_weighted_pred = x4->weightp;
646  if (x4->weightb >= 0)
647  x4->params.analyse.b_weighted_bipred = x4->weightb;
648  if (x4->cplxblur >= 0)
649  x4->params.rc.f_complexity_blur = x4->cplxblur;
650 
651  if (x4->ssim >= 0)
652  x4->params.analyse.b_ssim = x4->ssim;
653  if (x4->intra_refresh >= 0)
654  x4->params.b_intra_refresh = x4->intra_refresh;
655  if (x4->bluray_compat >= 0) {
656  x4->params.b_bluray_compat = x4->bluray_compat;
657  x4->params.b_vfr_input = 0;
658  }
659  if (x4->avcintra_class >= 0)
660 #if X264_BUILD >= 142
661  x4->params.i_avcintra_class = x4->avcintra_class;
662 #else
663  av_log(avctx, AV_LOG_ERROR,
664  "x264 too old for AVC Intra, at least version 142 needed\n");
665 #endif
666  if (x4->b_bias != INT_MIN)
667  x4->params.i_bframe_bias = x4->b_bias;
668  if (x4->b_pyramid >= 0)
669  x4->params.i_bframe_pyramid = x4->b_pyramid;
670  if (x4->mixed_refs >= 0)
671  x4->params.analyse.b_mixed_references = x4->mixed_refs;
672  if (x4->dct8x8 >= 0)
673  x4->params.analyse.b_transform_8x8 = x4->dct8x8;
674  if (x4->fast_pskip >= 0)
675  x4->params.analyse.b_fast_pskip = x4->fast_pskip;
676  if (x4->aud >= 0)
677  x4->params.b_aud = x4->aud;
678  if (x4->mbtree >= 0)
679  x4->params.rc.b_mb_tree = x4->mbtree;
680  if (x4->direct_pred >= 0)
681  x4->params.analyse.i_direct_mv_pred = x4->direct_pred;
682 
683  if (x4->slice_max_size >= 0)
684  x4->params.i_slice_max_size = x4->slice_max_size;
685 
686  if (x4->fastfirstpass)
687  x264_param_apply_fastfirstpass(&x4->params);
688 
689  /* Allow specifying the x264 profile through AVCodecContext. */
690  if (!x4->profile)
691  switch (avctx->profile) {
693  x4->profile = av_strdup("baseline");
694  break;
696  x4->profile = av_strdup("high");
697  break;
699  x4->profile = av_strdup("high10");
700  break;
702  x4->profile = av_strdup("high422");
703  break;
705  x4->profile = av_strdup("high444");
706  break;
708  x4->profile = av_strdup("main");
709  break;
710  default:
711  break;
712  }
713 
714  if (x4->nal_hrd >= 0)
715  x4->params.i_nal_hrd = x4->nal_hrd;
716 
717  if (x4->motion_est >= 0)
718  x4->params.analyse.i_me_method = x4->motion_est;
719 
720  if (x4->coder >= 0)
721  x4->params.b_cabac = x4->coder;
722 
723  if (x4->b_frame_strategy >= 0)
724  x4->params.i_bframe_adaptive = x4->b_frame_strategy;
725 
726  if (x4->profile)
727  if (x264_param_apply_profile(&x4->params, x4->profile) < 0) {
728  int i;
729  av_log(avctx, AV_LOG_ERROR, "Error setting profile %s.\n", x4->profile);
730  av_log(avctx, AV_LOG_INFO, "Possible profiles:");
731  for (i = 0; x264_profile_names[i]; i++)
732  av_log(avctx, AV_LOG_INFO, " %s", x264_profile_names[i]);
733  av_log(avctx, AV_LOG_INFO, "\n");
734  return AVERROR(EINVAL);
735  }
736 
737  x4->params.i_width = avctx->width;
738  x4->params.i_height = avctx->height;
739  av_reduce(&sw, &sh, avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den, 4096);
740  x4->params.vui.i_sar_width = sw;
741  x4->params.vui.i_sar_height = sh;
742  x4->params.i_timebase_den = avctx->time_base.den;
743  x4->params.i_timebase_num = avctx->time_base.num;
744  x4->params.i_fps_num = avctx->time_base.den;
745  x4->params.i_fps_den = avctx->time_base.num * avctx->ticks_per_frame;
746 
747  x4->params.analyse.b_psnr = avctx->flags & AV_CODEC_FLAG_PSNR;
748 
749  x4->params.i_threads = avctx->thread_count;
750  if (avctx->thread_type)
751  x4->params.b_sliced_threads = avctx->thread_type == FF_THREAD_SLICE;
752 
753  x4->params.b_interlaced = avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT;
754 
755  x4->params.b_open_gop = !(avctx->flags & AV_CODEC_FLAG_CLOSED_GOP);
756 
757  x4->params.i_slice_count = avctx->slices;
758 
759  x4->params.vui.b_fullrange = avctx->pix_fmt == AV_PIX_FMT_YUVJ420P ||
760  avctx->pix_fmt == AV_PIX_FMT_YUVJ422P ||
761  avctx->pix_fmt == AV_PIX_FMT_YUVJ444P ||
762  avctx->color_range == AVCOL_RANGE_JPEG;
763 
764  if (avctx->colorspace != AVCOL_SPC_UNSPECIFIED)
765  x4->params.vui.i_colmatrix = avctx->colorspace;
767  x4->params.vui.i_colorprim = avctx->color_primaries;
768  if (avctx->color_trc != AVCOL_TRC_UNSPECIFIED)
769  x4->params.vui.i_transfer = avctx->color_trc;
770 
771  if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER)
772  x4->params.b_repeat_headers = 0;
773 
774  if(x4->x264opts){
775  const char *p= x4->x264opts;
776  while(p){
777  char param[4096]={0}, val[4096]={0};
778  if(sscanf(p, "%4095[^:=]=%4095[^:]", param, val) == 1){
779  OPT_STR(param, "1");
780  }else
781  OPT_STR(param, val);
782  p= strchr(p, ':');
783  p+=!!p;
784  }
785  }
786 
787  if (x4->x264_params) {
788  AVDictionary *dict = NULL;
789  AVDictionaryEntry *en = NULL;
790 
791  if (!av_dict_parse_string(&dict, x4->x264_params, "=", ":", 0)) {
792  while ((en = av_dict_get(dict, "", en, AV_DICT_IGNORE_SUFFIX))) {
793  if (x264_param_parse(&x4->params, en->key, en->value) < 0)
794  av_log(avctx, AV_LOG_WARNING,
795  "Error parsing option '%s = %s'.\n",
796  en->key, en->value);
797  }
798 
799  av_dict_free(&dict);
800  }
801  }
802 
803  // update AVCodecContext with x264 parameters
804  avctx->has_b_frames = x4->params.i_bframe ?
805  x4->params.i_bframe_pyramid ? 2 : 1 : 0;
806  if (avctx->max_b_frames < 0)
807  avctx->max_b_frames = 0;
808 
809  avctx->bit_rate = x4->params.rc.i_bitrate*1000;
810 
811  x4->enc = x264_encoder_open(&x4->params);
812  if (!x4->enc)
813  return AVERROR_EXTERNAL;
814 
815  if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
816  x264_nal_t *nal;
817  uint8_t *p;
818  int nnal, s, i;
819 
820  s = x264_encoder_headers(x4->enc, &nal, &nnal);
822  if (!p)
823  return AVERROR(ENOMEM);
824 
825  for (i = 0; i < nnal; i++) {
826  /* Don't put the SEI in extradata. */
827  if (nal[i].i_type == NAL_SEI) {
828  av_log(avctx, AV_LOG_INFO, "%s\n", nal[i].p_payload+25);
829  x4->sei_size = nal[i].i_payload;
830  x4->sei = av_malloc(x4->sei_size);
831  if (!x4->sei)
832  return AVERROR(ENOMEM);
833  memcpy(x4->sei, nal[i].p_payload, nal[i].i_payload);
834  continue;
835  }
836  memcpy(p, nal[i].p_payload, nal[i].i_payload);
837  p += nal[i].i_payload;
838  }
839  avctx->extradata_size = p - avctx->extradata;
840  }
841 
842  cpb_props = ff_add_cpb_side_data(avctx);
843  if (!cpb_props)
844  return AVERROR(ENOMEM);
845  cpb_props->buffer_size = x4->params.rc.i_vbv_buffer_size * 1000;
846  cpb_props->max_bitrate = x4->params.rc.i_vbv_max_bitrate * 1000;
847  cpb_props->avg_bitrate = x4->params.rc.i_bitrate * 1000;
848 
849  return 0;
850 }
851 
852 static const enum AVPixelFormat pix_fmts_8bit[] = {
861 #ifdef X264_CSP_NV21
863 #endif
865 };
866 static const enum AVPixelFormat pix_fmts_9bit[] = {
870 };
871 static const enum AVPixelFormat pix_fmts_10bit[] = {
877 };
878 static const enum AVPixelFormat pix_fmts_all[] = {
887 #ifdef X264_CSP_NV21
889 #endif
894 #ifdef X264_CSP_I400
897 #endif
899 };
900 #if CONFIG_LIBX264RGB_ENCODER
901 static const enum AVPixelFormat pix_fmts_8bit_rgb[] = {
906 };
907 #endif
908 
909 static av_cold void X264_init_static(AVCodec *codec)
910 {
911 #if X264_BUILD < 153
912  if (x264_bit_depth == 8)
913  codec->pix_fmts = pix_fmts_8bit;
914  else if (x264_bit_depth == 9)
915  codec->pix_fmts = pix_fmts_9bit;
916  else if (x264_bit_depth == 10)
917  codec->pix_fmts = pix_fmts_10bit;
918 #else
919  codec->pix_fmts = pix_fmts_all;
920 #endif
921 }
922 
923 #define OFFSET(x) offsetof(X264Context, x)
924 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
925 static const AVOption options[] = {
926  { "preset", "Set the encoding preset (cf. x264 --fullhelp)", OFFSET(preset), AV_OPT_TYPE_STRING, { .str = "medium" }, 0, 0, VE},
927  { "tune", "Tune the encoding params (cf. x264 --fullhelp)", OFFSET(tune), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
928  { "profile", "Set profile restrictions (cf. x264 --fullhelp) ", OFFSET(profile), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
929  { "fastfirstpass", "Use fast settings when encoding first pass", OFFSET(fastfirstpass), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE},
930  {"level", "Specify level (as defined by Annex A)", OFFSET(level), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
931  {"passlogfile", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
932  {"wpredp", "Weighted prediction for P-frames", OFFSET(wpredp), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
933  {"a53cc", "Use A53 Closed Captions (if available)", OFFSET(a53_cc), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, VE},
934  {"x264opts", "x264 options", OFFSET(x264opts), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
935  { "crf", "Select the quality for constant quality mode", OFFSET(crf), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE },
936  { "crf_max", "In CRF mode, prevents VBV from lowering quality beyond this point.",OFFSET(crf_max), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE },
937  { "qp", "Constant quantization parameter rate control method",OFFSET(cqp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE },
938  { "aq-mode", "AQ method", OFFSET(aq_mode), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "aq_mode"},
939  { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_NONE}, INT_MIN, INT_MAX, VE, "aq_mode" },
940  { "variance", "Variance AQ (complexity mask)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_VARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },
941  { "autovariance", "Auto-variance AQ", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_AUTOVARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },
942 #if X264_BUILD >= 144
943  { "autovariance-biased", "Auto-variance AQ with bias to dark scenes", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_AUTOVARIANCE_BIASED}, INT_MIN, INT_MAX, VE, "aq_mode" },
944 #endif
945  { "aq-strength", "AQ strength. Reduces blocking and blurring in flat and textured areas.", OFFSET(aq_strength), AV_OPT_TYPE_FLOAT, {.dbl = -1}, -1, FLT_MAX, VE},
946  { "psy", "Use psychovisual optimizations.", OFFSET(psy), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
947  { "psy-rd", "Strength of psychovisual optimization, in <psy-rd>:<psy-trellis> format.", OFFSET(psy_rd), AV_OPT_TYPE_STRING, {0 }, 0, 0, VE},
948  { "rc-lookahead", "Number of frames to look ahead for frametype and ratecontrol", OFFSET(rc_lookahead), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE },
949  { "weightb", "Weighted prediction for B-frames.", OFFSET(weightb), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
950  { "weightp", "Weighted prediction analysis method.", OFFSET(weightp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "weightp" },
951  { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_NONE}, INT_MIN, INT_MAX, VE, "weightp" },
952  { "simple", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SIMPLE}, INT_MIN, INT_MAX, VE, "weightp" },
953  { "smart", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SMART}, INT_MIN, INT_MAX, VE, "weightp" },
954  { "ssim", "Calculate and print SSIM stats.", OFFSET(ssim), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
955  { "intra-refresh", "Use Periodic Intra Refresh instead of IDR frames.",OFFSET(intra_refresh),AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
956  { "bluray-compat", "Bluray compatibility workarounds.", OFFSET(bluray_compat) ,AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
957  { "b-bias", "Influences how often B-frames are used", OFFSET(b_bias), AV_OPT_TYPE_INT, { .i64 = INT_MIN}, INT_MIN, INT_MAX, VE },
958  { "b-pyramid", "Keep some B-frames as references.", OFFSET(b_pyramid), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "b_pyramid" },
959  { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NONE}, INT_MIN, INT_MAX, VE, "b_pyramid" },
960  { "strict", "Strictly hierarchical pyramid", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_STRICT}, INT_MIN, INT_MAX, VE, "b_pyramid" },
961  { "normal", "Non-strict (not Blu-ray compatible)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NORMAL}, INT_MIN, INT_MAX, VE, "b_pyramid" },
962  { "mixed-refs", "One reference per partition, as opposed to one reference per macroblock", OFFSET(mixed_refs), AV_OPT_TYPE_BOOL, { .i64 = -1}, -1, 1, VE },
963  { "8x8dct", "High profile 8x8 transform.", OFFSET(dct8x8), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
964  { "fast-pskip", NULL, OFFSET(fast_pskip), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
965  { "aud", "Use access unit delimiters.", OFFSET(aud), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
966  { "mbtree", "Use macroblock tree ratecontrol.", OFFSET(mbtree), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
967  { "deblock", "Loop filter parameters, in <alpha:beta> form.", OFFSET(deblock), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
968  { "cplxblur", "Reduce fluctuations in QP (before curve compression)", OFFSET(cplxblur), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE},
969  { "partitions", "A comma-separated list of partitions to consider. "
970  "Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all", OFFSET(partitions), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
971  { "direct-pred", "Direct MV prediction mode", OFFSET(direct_pred), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "direct-pred" },
972  { "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_NONE }, 0, 0, VE, "direct-pred" },
973  { "spatial", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_SPATIAL }, 0, 0, VE, "direct-pred" },
974  { "temporal", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_TEMPORAL }, 0, 0, VE, "direct-pred" },
975  { "auto", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_AUTO }, 0, 0, VE, "direct-pred" },
976  { "slice-max-size","Limit the size of each slice in bytes", OFFSET(slice_max_size),AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE },
977  { "stats", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
978  { "nal-hrd", "Signal HRD information (requires vbv-bufsize; "
979  "cbr not allowed in .mp4)", OFFSET(nal_hrd), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "nal-hrd" },
980  { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_NONE}, INT_MIN, INT_MAX, VE, "nal-hrd" },
981  { "vbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_VBR}, INT_MIN, INT_MAX, VE, "nal-hrd" },
982  { "cbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_CBR}, INT_MIN, INT_MAX, VE, "nal-hrd" },
983  { "avcintra-class","AVC-Intra class 50/100/200", OFFSET(avcintra_class),AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 200 , VE},
984  { "me_method", "Set motion estimation method", OFFSET(motion_est), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, X264_ME_TESA, VE, "motion-est"},
985  { "motion-est", "Set motion estimation method", OFFSET(motion_est), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, X264_ME_TESA, VE, "motion-est"},
986  { "dia", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_DIA }, INT_MIN, INT_MAX, VE, "motion-est" },
987  { "hex", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_HEX }, INT_MIN, INT_MAX, VE, "motion-est" },
988  { "umh", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_UMH }, INT_MIN, INT_MAX, VE, "motion-est" },
989  { "esa", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_ESA }, INT_MIN, INT_MAX, VE, "motion-est" },
990  { "tesa", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_TESA }, INT_MIN, INT_MAX, VE, "motion-est" },
991  { "forced-idr", "If forcing keyframes, force them as IDR frames.", OFFSET(forced_idr), AV_OPT_TYPE_BOOL, { .i64 = 0 }, -1, 1, VE },
992  { "coder", "Coder type", OFFSET(coder), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE, "coder" },
993  { "default", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = -1 }, INT_MIN, INT_MAX, VE, "coder" },
994  { "cavlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, "coder" },
995  { "cabac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, VE, "coder" },
996  { "vlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, "coder" },
997  { "ac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, VE, "coder" },
998  { "b_strategy", "Strategy to choose between I/P/B-frames", OFFSET(b_frame_strategy), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 2, VE },
999  { "chromaoffset", "QP difference between chroma and luma", OFFSET(chroma_offset), AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX, VE },
1000  { "sc_threshold", "Scene change threshold", OFFSET(scenechange_threshold), AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX, VE },
1001  { "noise_reduction", "Noise reduction", OFFSET(noise_reduction), AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX, VE },
1002 
1003  { "x264-params", "Override the x264 configuration using a :-separated list of key=value parameters", OFFSET(x264_params), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
1004  { NULL },
1005 };
1006 
1007 static const AVCodecDefault x264_defaults[] = {
1008  { "b", "0" },
1009  { "bf", "-1" },
1010  { "flags2", "0" },
1011  { "g", "-1" },
1012  { "i_qfactor", "-1" },
1013  { "b_qfactor", "-1" },
1014  { "qmin", "-1" },
1015  { "qmax", "-1" },
1016  { "qdiff", "-1" },
1017  { "qblur", "-1" },
1018  { "qcomp", "-1" },
1019 // { "rc_lookahead", "-1" },
1020  { "refs", "-1" },
1021 #if FF_API_PRIVATE_OPT
1022  { "sc_threshold", "-1" },
1023 #endif
1024  { "trellis", "-1" },
1025 #if FF_API_PRIVATE_OPT
1026  { "nr", "-1" },
1027 #endif
1028  { "me_range", "-1" },
1029  { "subq", "-1" },
1030 #if FF_API_PRIVATE_OPT
1031  { "b_strategy", "-1" },
1032 #endif
1033  { "keyint_min", "-1" },
1034 #if FF_API_CODER_TYPE
1035  { "coder", "-1" },
1036 #endif
1037  { "cmp", "-1" },
1038  { "threads", AV_STRINGIFY(X264_THREADS_AUTO) },
1039  { "thread_type", "0" },
1040  { "flags", "+cgop" },
1041  { "rc_init_occupancy","-1" },
1042  { NULL },
1043 };
1044 
1045 #if CONFIG_LIBX264_ENCODER
1046 static const AVClass x264_class = {
1047  .class_name = "libx264",
1048  .item_name = av_default_item_name,
1049  .option = options,
1050  .version = LIBAVUTIL_VERSION_INT,
1051 };
1052 
1054  .name = "libx264",
1055  .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),
1056  .type = AVMEDIA_TYPE_VIDEO,
1057  .id = AV_CODEC_ID_H264,
1058  .priv_data_size = sizeof(X264Context),
1059  .init = X264_init,
1060  .encode2 = X264_frame,
1061  .close = X264_close,
1063  .priv_class = &x264_class,
1064  .defaults = x264_defaults,
1065  .init_static_data = X264_init_static,
1066  .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
1068  .wrapper_name = "libx264",
1069 };
1070 #endif
1071 
1072 #if CONFIG_LIBX264RGB_ENCODER
1073 static const AVClass rgbclass = {
1074  .class_name = "libx264rgb",
1075  .item_name = av_default_item_name,
1076  .option = options,
1077  .version = LIBAVUTIL_VERSION_INT,
1078 };
1079 
1081  .name = "libx264rgb",
1082  .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 RGB"),
1083  .type = AVMEDIA_TYPE_VIDEO,
1084  .id = AV_CODEC_ID_H264,
1085  .priv_data_size = sizeof(X264Context),
1086  .init = X264_init,
1087  .encode2 = X264_frame,
1088  .close = X264_close,
1090  .priv_class = &rgbclass,
1091  .defaults = x264_defaults,
1092  .pix_fmts = pix_fmts_8bit_rgb,
1093  .wrapper_name = "libx264",
1094 };
1095 #endif
1096 
1097 #if CONFIG_LIBX262_ENCODER
1098 static const AVClass X262_class = {
1099  .class_name = "libx262",
1100  .item_name = av_default_item_name,
1101  .option = options,
1102  .version = LIBAVUTIL_VERSION_INT,
1103 };
1104 
1106  .name = "libx262",
1107  .long_name = NULL_IF_CONFIG_SMALL("libx262 MPEG2VIDEO"),
1108  .type = AVMEDIA_TYPE_VIDEO,
1109  .id = AV_CODEC_ID_MPEG2VIDEO,
1110  .priv_data_size = sizeof(X264Context),
1111  .init = X264_init,
1112  .encode2 = X264_frame,
1113  .close = X264_close,
1115  .priv_class = &X262_class,
1116  .defaults = x264_defaults,
1118  .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
1120  .wrapper_name = "libx264",
1121 };
1122 #endif
#define FF_CODEC_CAP_INIT_CLEANUP
The codec allows calling the close function for deallocation even if the init function returned a fai...
Definition: internal.h:48
#define FF_PROFILE_H264_MAIN
Definition: avcodec.h:2899
#define AV_STEREO3D_FLAG_INVERT
Inverted views, Right/Bottom represents the left view.
Definition: stereo3d.h:167
static int convert_pix_fmt(enum AVPixelFormat pix_fmt)
Definition: libx264.c:419
#define NULL
Definition: coverity.c:32
const char const char void * val
Definition: avisynth_c.h:771
static enum AVPixelFormat pix_fmt
static int avfmt2_num_planes(int avfmt)
Definition: libx264.c:151
char * partitions
Definition: libx264.c:79
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2406
This structure describes decoded (raw) audio or video data.
Definition: frame.h:226
int dct8x8
Definition: libx264.c:73
AVOption.
Definition: opt.h:246
int ff_side_data_set_encoder_stats(AVPacket *pkt, int quality, int64_t *error, int error_count, int pict_type)
Definition: avpacket.c:716
#define AV_CODEC_FLAG_INTERLACED_DCT
Use interlaced DCT.
Definition: avcodec.h:882
#define AV_CODEC_FLAG_LOOP_FILTER
loop filter.
Definition: avcodec.h:865
const char * fmt
Definition: avisynth_c.h:769
float qblur
amount of qscale smoothing over time (0.0-1.0)
Definition: avcodec.h:2363
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:71
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
int64_t bit_rate
the average bitrate
Definition: avcodec.h:1582
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
packed RGB 8:8:8, 24bpp, RGBRGB...
Definition: pixfmt.h:68
Memory handling functions.
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:35
int max_bitrate
Maximum bitrate of the stream, in bits per second.
Definition: avcodec.h:1112
int max_b_frames
maximum number of B-frames between non-B-frames Note: The output will be delayed by max_b_frames+1 re...
Definition: avcodec.h:1792
AVCodec ff_libx262_encoder
int noise_reduction
Definition: libx264.c:92
int rc_initial_buffer_occupancy
Number of bits which should be loaded into the rc buffer before decoding starts.
Definition: avcodec.h:2434
enum AVColorRange color_range
MPEG vs JPEG YUV range.
Definition: avcodec.h:2163
int num
Numerator.
Definition: rational.h:59
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:191
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:1911
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:1742
int bluray_compat
Definition: libx264.c:69
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
Definition: mem.c:236
char * wpredp
Definition: libx264.c:55
static void X264_log(void *p, int level, const char *fmt, va_list args)
Definition: libx264.c:97
Views are next to each other.
Definition: stereo3d.h:67
static AVPacket pkt
#define AV_CODEC_CAP_AUTO_THREADS
Codec supports avctx->thread_count == 0 (auto).
Definition: avcodec.h:1035
int profile
profile
Definition: avcodec.h:2858
AVCodec.
Definition: avcodec.h:3423
static av_cold int X264_init(AVCodecContext *avctx)
Definition: libx264.c:462
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
Definition: avcodec.h:1655
Undefined.
Definition: avutil.h:273
#define AV_PIX_FMT_GRAY10
Definition: pixfmt.h:360
AVFrameSideData * av_frame_get_side_data(const AVFrame *frame, enum AVFrameSideDataType type)
Definition: frame.c:732
x264_param_t params
Definition: libx264.c:45
char * x264opts
Definition: libx264.c:56
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:992
int ff_alloc_packet2(AVCodecContext *avctx, AVPacket *avpkt, int64_t size, int64_t min_size)
Check AVPacket size and/or allocate data.
Definition: encode.c:32
#define FF_PROFILE_H264_BASELINE
Definition: avcodec.h:2897
#define FF_CODEC_CAP_INIT_THREADSAFE
The codec does not modify any global variables in the init function, allowing to call the init functi...
Definition: internal.h:40
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:117
uint8_t
#define av_cold
Definition: attributes.h:82
#define av_malloc(s)
AVOptions.
Stereo 3D type: this structure describes how two videos are packed within a single video surface...
Definition: stereo3d.h:176
int me_range
maximum motion estimation search range in subpel units If 0 then no limit.
Definition: avcodec.h:2003
float b_quant_factor
qscale factor between IP and B-frames If > 0 then the last P-frame quantizer will be used (q= lastp_q...
Definition: avcodec.h:1801
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:319
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
Definition: avcodec.h:1633
int me_cmp
motion estimation comparison function
Definition: avcodec.h:1918
int level_idc
Definition: h264_levels.c:25
static AVFrame * frame
Structure to hold side data for an AVFrame.
Definition: frame.h:188
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
uint8_t * data
Definition: avcodec.h:1444
int b_pyramid
Definition: libx264.c:71
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
Definition: pixfmt.h:79
x264_picture_t pic
Definition: libx264.c:47
float cplxblur
Definition: libx264.c:78
Video is not stereoscopic (and metadata has to be there).
Definition: stereo3d.h:55
int buffer_size
The size of the buffer to which the ratecontrol is applied, in bits.
Definition: avcodec.h:1128
ptrdiff_t size
Definition: opengl_enc.c:101
#define FF_CMP_CHROMA
Definition: avcodec.h:1953
char * stats
Definition: libx264.c:82
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
static enum AVPixelFormat pix_fmts_all[]
Definition: libx264.c:878
int intra_refresh
Definition: libx264.c:68
#define AV_PIX_FMT_NV20
Definition: pixfmt.h:424
#define av_log(a,...)
int rc_lookahead
Definition: libx264.c:64
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
Definition: avcodec.h:1476
static enum AVPixelFormat pix_fmts_10bit[]
Definition: libx264.c:871
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
int has_b_frames
Size of the frame reordering buffer in the decoder.
Definition: avcodec.h:1822
int flags
Additional information about the frame packing.
Definition: stereo3d.h:185
static void dct8x8(int16_t *coef, int bit_depth)
Definition: h264dsp.c:163
#define AVERROR(e)
Definition: error.h:43
int qmax
maximum quantizer
Definition: avcodec.h:2377
char * profile
Definition: libx264.c:52
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:186
Views are packed per line, as if interlaced.
Definition: stereo3d.h:129
int coder
Definition: libx264.c:87
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
Definition: log.h:197
int fastfirstpass
Definition: libx264.c:54
void av_dict_free(AVDictionary **pm)
Free all the memory allocated for an AVDictionary struct and all keys and values. ...
Definition: dict.c:203
#define FF_PROFILE_H264_HIGH_422
Definition: avcodec.h:2905
#define FF_PROFILE_H264_HIGH
Definition: avcodec.h:2901
int flags
AV_CODEC_FLAG_*.
Definition: avcodec.h:1612
planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
Definition: pixfmt.h:89
int mbtree
Definition: libx264.c:76
const char * name
Name of the codec implementation.
Definition: avcodec.h:3430
float i_quant_factor
qscale factor between P- and I-frames If > 0 then the last P-frame quantizer will be used (q = lastp_...
Definition: avcodec.h:1837
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:382
static const AVCodecDefault defaults[]
Definition: amfenc_h264.c:361
char * deblock
Definition: libx264.c:77
int b_frame_strategy
Definition: libx264.c:89
int flags
A combination of AV_PKT_FLAG values.
Definition: avcodec.h:1450
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
int rc_buffer_size
decoder bitstream buffer size
Definition: avcodec.h:2391
Views are alternated temporally.
Definition: stereo3d.h:92
common internal API header
char * psy_rd
Definition: libx264.c:62
as above, but U and V bytes are swapped
Definition: pixfmt.h:90
int refs
number of reference frames
Definition: avcodec.h:2116
int motion_est
Definition: libx264.c:85
static enum AVPixelFormat pix_fmts_9bit[]
Definition: libx264.c:866
#define PARSE_X264_OPT(name, var)
Definition: libx264.c:456
enum AVPixelFormat * pix_fmts
array of supported pixel formats, or NULL if unknown, array is terminated by -1
Definition: avcodec.h:3444
enum AVPictureType pict_type
Picture type of the frame.
Definition: frame.h:309
#define OPT_STR(opt, param)
Definition: libx264.c:405
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:78
int width
picture width / height.
Definition: avcodec.h:1705
int cqp
Definition: libx264.c:59
attribute_deprecated int noise_reduction
Definition: avcodec.h:2046
x264_t * enc
Definition: libx264.c:46
AVFormatContext * ctx
Definition: movenc.c:48
#define AV_CODEC_FLAG_PSNR
error[?] variables will be set during encoding.
Definition: avcodec.h:873
#define AV_CODEC_FLAG_PASS1
Use internal 2pass ratecontrol in first pass mode.
Definition: avcodec.h:857
enum AVColorPrimaries color_primaries
Chromaticity coordinates of the source primaries.
Definition: avcodec.h:2142
static void stats(AVPacket *const *in, int n_in, unsigned *_max, unsigned *_sum)
#define s(width, name)
Definition: cbs_vp9.c:257
#define FF_THREAD_SLICE
Decode more than one part of a single frame at once.
Definition: avcodec.h:2796
int level
level
Definition: avcodec.h:2968
int quality
quality (between 1 (good) and FF_LAMBDA_MAX (bad))
Definition: frame.h:349
int scenechange_threshold
Definition: libx264.c:91
int slice_max_size
Definition: libx264.c:81
int ticks_per_frame
For some codecs, the time base is closer to the field rate than the frame rate.
Definition: avcodec.h:1664
packed RGB 8:8:8, 24bpp, BGRBGR...
Definition: pixfmt.h:69
int nal_hrd
Definition: libx264.c:83
int max_qdiff
maximum quantizer difference between frames
Definition: avcodec.h:2384
int weightp
Definition: libx264.c:65
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:378
attribute_deprecated int coder_type
Definition: avcodec.h:2445
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:220
char * x264_params
Definition: libx264.c:94
int thread_count
thread count is used to decide how many independent tasks should be passed to execute() ...
Definition: avcodec.h:2784
the normal 2^n-1 "JPEG" YUV ranges
Definition: pixfmt.h:512
static enum AVPixelFormat pix_fmts_8bit[]
Definition: libx264.c:852
static const AVCodecDefault x264_defaults[]
Definition: libx264.c:1007
double av_strtod(const char *numstr, char **tail)
Parse the string in numstr and return its value as a double.
Definition: eval.c:106
int av_dict_parse_string(AVDictionary **pm, const char *str, const char *key_val_sep, const char *pairs_sep, int flags)
Parse the key/value pairs list and add the parsed entries to a dictionary.
Definition: dict.c:180
This structure describes the bitrate properties of an encoded bitstream.
Definition: avcodec.h:1107
int avcintra_class
Definition: libx264.c:84
enum AVStereo3DType type
How views are packed within the video.
Definition: stereo3d.h:180
#define AV_LOG_INFO
Standard information.
Definition: log.h:187
Views are packed in a checkerboard-like structure per pixel.
Definition: stereo3d.h:104
char * level
Definition: libx264.c:53
char * av_strdup(const char *s)
Duplicate a string.
Definition: mem.c:251
Libavcodec external API header.
Views are on top of each other.
Definition: stereo3d.h:79
static av_cold int X264_close(AVCodecContext *avctx)
Definition: libx264.c:390
attribute_deprecated int scenechange_threshold
Definition: avcodec.h:2042
enum AVCodecID codec_id
Definition: avcodec.h:1542
int forced_idr
Definition: libx264.c:86
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:257
attribute_deprecated int b_frame_strategy
Definition: avcodec.h:1806
main external API structure.
Definition: avcodec.h:1532
static const AVOption options[]
Definition: libx264.c:925
int qmin
minimum quantizer
Definition: avcodec.h:2370
uint8_t * data
Definition: frame.h:190
#define FF_CODER_TYPE_AC
Definition: avcodec.h:2438
int extradata_size
Definition: avcodec.h:1634
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:379
float crf
Definition: libx264.c:57
static int FUNC() aud(CodedBitstreamContext *ctx, RWContext *rw, H264RawAUD *current)
int aq_mode
Definition: libx264.c:60
int aud
Definition: libx264.c:75
#define AV_STRINGIFY(s)
Definition: macros.h:36
Describe the class of an AVClass context structure.
Definition: log.h:67
int a53_cc
Definition: libx264.c:88
enum AVColorSpace colorspace
YUV colorspace type.
Definition: avcodec.h:2156
enum AVColorTransferCharacteristic color_trc
Color Transfer Characteristic.
Definition: avcodec.h:2149
uint8_t * sei
Definition: libx264.c:48
void av_vlog(void *avcl, int level, const char *fmt, va_list vl)
Send the specified message to the log if the level is less than or equal to the current av_log_level...
Definition: log.c:373
int psy
Definition: libx264.c:63
static int encode_nals(AVCodecContext *ctx, AVPacket *pkt, const x264_nal_t *nals, int nnal)
Definition: libx264.c:113
packed BGR 8:8:8, 32bpp, BGRXBGRX... X=unused/undefined
Definition: pixfmt.h:240
#define FF_PROFILE_H264_HIGH_444
Definition: avcodec.h:2908
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:376
attribute_deprecated int chromaoffset
Definition: avcodec.h:2121
float qcompress
amount of qscale change between easy & hard scenes (0.0-1.0)
Definition: avcodec.h:2362
int sei_size
Definition: libx264.c:49
static void reconfig_encoder(AVCodecContext *ctx, const AVFrame *frame)
Definition: libx264.c:173
char * preset
Definition: libx264.c:50
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:266
mfxU16 profile
Definition: qsvenc.c:44
int global_quality
Global quality for codecs which cannot change it per frame.
Definition: avcodec.h:1598
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:380
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:240
uint8_t level
Definition: svq3.c:207
int b_bias
Definition: libx264.c:70
#define AV_CODEC_FLAG_GLOBAL_HEADER
Place global headers in extradata instead of every keyframe.
Definition: avcodec.h:890
int fast_pskip
Definition: libx264.c:74
int gop_size
the number of pictures in a group of pictures, or 0 for intra_only
Definition: avcodec.h:1727
int chroma_offset
Definition: libx264.c:90
static av_cold void X264_init_static(AVCodec *codec)
Definition: libx264.c:909
int mixed_refs
Definition: libx264.c:72
preset
Definition: vf_curves.c:46
char * tune
Definition: libx264.c:51
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
Y , 8bpp.
Definition: pixfmt.h:74
#define FF_DISABLE_DEPRECATION_WARNINGS
Definition: internal.h:84
#define VE
Definition: libx264.c:924
int weightb
Definition: libx264.c:66
float aq_strength
Definition: libx264.c:61
common internal api header.
Bi-dir predicted.
Definition: avutil.h:276
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:80
Stereoscopic video.
attribute_deprecated AVFrame * coded_frame
the picture in the bitstream
Definition: avcodec.h:2775
Views are packed per column.
Definition: stereo3d.h:141
char * key
Definition: dict.h:86
int den
Denominator.
Definition: rational.h:60
interleaved chroma YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:201
int trellis
trellis RD quantization
Definition: avcodec.h:2477
AVCPBProperties * ff_add_cpb_side_data(AVCodecContext *avctx)
Add a CPB properties side data to an encoding context.
Definition: utils.c:1945
#define AV_INPUT_BUFFER_PADDING_SIZE
Required number of additionally allocated bytes at the end of the input bitstream for decoding...
Definition: avcodec.h:781
#define AV_CODEC_FLAG_PASS2
Use internal 2pass ratecontrol in second pass mode.
Definition: avcodec.h:861
int slices
Number of slices.
Definition: avcodec.h:2179
void * priv_data
Definition: avcodec.h:1559
#define av_free(p)
char * value
Definition: dict.h:87
#define FF_ENABLE_DEPRECATION_WARNINGS
Definition: internal.h:85
int top_field_first
If the content is interlaced, is top field displayed first.
Definition: frame.h:378
int avg_bitrate
Average bitrate of the stream, in bits per second.
Definition: avcodec.h:1122
AVCodec ff_libx264rgb_encoder
int ssim
Definition: libx264.c:67
#define FF_QP2LAMBDA
factor to convert from H.263 QP to lambda
Definition: avutil.h:227
AVCodec ff_libx264_encoder
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed...
Definition: avcodec.h:1443
float crf_max
Definition: libx264.c:58
int ff_alloc_a53_sei(const AVFrame *frame, size_t prefix_len, void **data, size_t *sei_size)
Check AVFrame for A53 side data and allocate and fill SEI message with A53 info.
Definition: utils.c:2144
#define OFFSET(x)
Definition: libx264.c:923
int direct_pred
Definition: libx264.c:80
#define av_freep(p)
#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 X264_frame(AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
Definition: libx264.c:273
#define AV_CODEC_FLAG_CLOSED_GOP
Definition: avcodec.h:904
int depth
Number of bits in the component.
Definition: pixdesc.h:58
#define FF_PROFILE_H264_HIGH_10
Definition: avcodec.h:2902
Stereoscopic 3d metadata.
Definition: frame.h:63
#define AVERROR_EXTERNAL
Generic error in an external library.
Definition: error.h:57
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
This structure stores compressed data.
Definition: avcodec.h:1421
int me_subpel_quality
subpel ME quality
Definition: avcodec.h:1994
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
Definition: avcodec.h:1437
Predicted.
Definition: avutil.h:275
int thread_type
Which multithreading methods to use.
Definition: avcodec.h:2794
int64_t rc_max_rate
maximum bitrate
Definition: avcodec.h:2406
simple arithmetic expression evaluator
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:58
int keyint_min
minimum GOP size
Definition: avcodec.h:2109