FFmpeg  4.4.4
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/time.h"
29 #include "libavutil/intreadwrite.h"
30 #include "avcodec.h"
31 #include "internal.h"
32 #include "packet_internal.h"
33 #include "atsc_a53.h"
34 
35 #if defined(_MSC_VER)
36 #define X264_API_IMPORTS 1
37 #endif
38 
39 #include <x264.h>
40 #include <float.h>
41 #include <math.h>
42 #include <stdio.h>
43 #include <stdlib.h>
44 #include <string.h>
45 
46 // from x264.h, for quant_offsets, Macroblocks are 16x16
47 // blocks of pixels (with respect to the luma plane)
48 #define MB_SIZE 16
49 
50 typedef struct X264Opaque {
52  int64_t wallclock;
53 } X264Opaque;
54 
55 typedef struct X264Context {
56  AVClass *class;
57  x264_param_t params;
58  x264_t *enc;
59  x264_picture_t pic;
61  int sei_size;
62  char *preset;
63  char *tune;
64  char *profile;
65  char *level;
67  char *wpredp;
68  char *x264opts;
69  float crf;
70  float crf_max;
71  int cqp;
72  int aq_mode;
73  float aq_strength;
74  char *psy_rd;
75  int psy;
77  int weightp;
78  int weightb;
79  int ssim;
82  int b_bias;
83  int b_pyramid;
85  int dct8x8;
87  int aud;
88  int mbtree;
89  char *deblock;
90  float cplxblur;
91  char *partitions;
94  char *stats;
95  int nal_hrd;
99  int coder;
100  int a53_cc;
105 
107 
110 
111  /**
112  * If the encoder does not support ROI then warn the first time we
113  * encounter a frame with ROI side data.
114  */
116 } X264Context;
117 
118 static void X264_log(void *p, int level, const char *fmt, va_list args)
119 {
120  static const int level_map[] = {
121  [X264_LOG_ERROR] = AV_LOG_ERROR,
122  [X264_LOG_WARNING] = AV_LOG_WARNING,
123  [X264_LOG_INFO] = AV_LOG_INFO,
124  [X264_LOG_DEBUG] = AV_LOG_DEBUG
125  };
126 
127  if (level < 0 || level > X264_LOG_DEBUG)
128  return;
129 
130  av_vlog(p, level_map[level], fmt, args);
131 }
132 
133 
135  const x264_nal_t *nals, int nnal)
136 {
137  X264Context *x4 = ctx->priv_data;
138  uint8_t *p;
139  int i, size = x4->sei_size, ret;
140 
141  if (!nnal)
142  return 0;
143 
144  for (i = 0; i < nnal; i++)
145  size += nals[i].i_payload;
146 
147  if ((ret = ff_alloc_packet2(ctx, pkt, size, 0)) < 0)
148  return ret;
149 
150  p = pkt->data;
151 
152  /* Write the SEI as part of the first frame. */
153  if (x4->sei_size > 0 && nnal > 0) {
154  if (x4->sei_size > size) {
155  av_log(ctx, AV_LOG_ERROR, "Error: nal buffer is too small\n");
156  return -1;
157  }
158  memcpy(p, x4->sei, x4->sei_size);
159  p += x4->sei_size;
160  x4->sei_size = 0;
161  av_freep(&x4->sei);
162  }
163 
164  for (i = 0; i < nnal; i++){
165  memcpy(p, nals[i].p_payload, nals[i].i_payload);
166  p += nals[i].i_payload;
167  }
168 
169  return 1;
170 }
171 
172 static int avfmt2_num_planes(int avfmt)
173 {
174  switch (avfmt) {
175  case AV_PIX_FMT_YUV420P:
176  case AV_PIX_FMT_YUVJ420P:
177  case AV_PIX_FMT_YUV420P9:
179  case AV_PIX_FMT_YUV444P:
180  return 3;
181 
182  case AV_PIX_FMT_BGR0:
183  case AV_PIX_FMT_BGR24:
184  case AV_PIX_FMT_RGB24:
185  case AV_PIX_FMT_GRAY8:
186  case AV_PIX_FMT_GRAY10:
187  return 1;
188 
189  default:
190  return 3;
191  }
192 }
193 
195 {
196  X264Context *x4 = ctx->priv_data;
197  AVFrameSideData *side_data;
198 
199 
200  if (x4->avcintra_class < 0) {
201  if (x4->params.b_interlaced && x4->params.b_tff != frame->top_field_first) {
202 
203  x4->params.b_tff = frame->top_field_first;
204  x264_encoder_reconfig(x4->enc, &x4->params);
205  }
206  if (x4->params.vui.i_sar_height*ctx->sample_aspect_ratio.num != ctx->sample_aspect_ratio.den * x4->params.vui.i_sar_width) {
207  x4->params.vui.i_sar_height = ctx->sample_aspect_ratio.den;
208  x4->params.vui.i_sar_width = ctx->sample_aspect_ratio.num;
209  x264_encoder_reconfig(x4->enc, &x4->params);
210  }
211 
212  if (x4->params.rc.i_vbv_buffer_size != ctx->rc_buffer_size / 1000 ||
213  x4->params.rc.i_vbv_max_bitrate != ctx->rc_max_rate / 1000) {
214  x4->params.rc.i_vbv_buffer_size = ctx->rc_buffer_size / 1000;
215  x4->params.rc.i_vbv_max_bitrate = ctx->rc_max_rate / 1000;
216  x264_encoder_reconfig(x4->enc, &x4->params);
217  }
218 
219  if (x4->params.rc.i_rc_method == X264_RC_ABR &&
220  x4->params.rc.i_bitrate != ctx->bit_rate / 1000) {
221  x4->params.rc.i_bitrate = ctx->bit_rate / 1000;
222  x264_encoder_reconfig(x4->enc, &x4->params);
223  }
224 
225  if (x4->crf >= 0 &&
226  x4->params.rc.i_rc_method == X264_RC_CRF &&
227  x4->params.rc.f_rf_constant != x4->crf) {
228  x4->params.rc.f_rf_constant = x4->crf;
229  x264_encoder_reconfig(x4->enc, &x4->params);
230  }
231 
232  if (x4->params.rc.i_rc_method == X264_RC_CQP &&
233  x4->cqp >= 0 &&
234  x4->params.rc.i_qp_constant != x4->cqp) {
235  x4->params.rc.i_qp_constant = x4->cqp;
236  x264_encoder_reconfig(x4->enc, &x4->params);
237  }
238 
239  if (x4->crf_max >= 0 &&
240  x4->params.rc.f_rf_constant_max != x4->crf_max) {
241  x4->params.rc.f_rf_constant_max = x4->crf_max;
242  x264_encoder_reconfig(x4->enc, &x4->params);
243  }
244  }
245 
247  if (side_data) {
248  AVStereo3D *stereo = (AVStereo3D *)side_data->data;
249  int fpa_type;
250 
251  switch (stereo->type) {
253  fpa_type = 0;
254  break;
255  case AV_STEREO3D_COLUMNS:
256  fpa_type = 1;
257  break;
258  case AV_STEREO3D_LINES:
259  fpa_type = 2;
260  break;
262  fpa_type = 3;
263  break;
265  fpa_type = 4;
266  break;
268  fpa_type = 5;
269  break;
270 #if X264_BUILD >= 145
271  case AV_STEREO3D_2D:
272  fpa_type = 6;
273  break;
274 #endif
275  default:
276  fpa_type = -1;
277  break;
278  }
279 
280  /* Inverted mode is not supported by x264 */
281  if (stereo->flags & AV_STEREO3D_FLAG_INVERT) {
283  "Ignoring unsupported inverted stereo value %d\n", fpa_type);
284  fpa_type = -1;
285  }
286 
287  if (fpa_type != x4->params.i_frame_packing) {
288  x4->params.i_frame_packing = fpa_type;
289  x264_encoder_reconfig(x4->enc, &x4->params);
290  }
291  }
292 }
293 
295  int *got_packet)
296 {
297  X264Context *x4 = ctx->priv_data;
298  x264_nal_t *nal;
299  int nnal, i, ret;
300  x264_picture_t pic_out = {0};
301  int pict_type;
302  int bit_depth;
303  int64_t wallclock = 0;
304  X264Opaque *out_opaque;
305  AVFrameSideData *sd;
306 
307  x264_picture_init( &x4->pic );
308  x4->pic.img.i_csp = x4->params.i_csp;
309 #if X264_BUILD >= 153
310  bit_depth = x4->params.i_bitdepth;
311 #else
312  bit_depth = x264_bit_depth;
313 #endif
314  if (bit_depth > 8)
315  x4->pic.img.i_csp |= X264_CSP_HIGH_DEPTH;
316  x4->pic.img.i_plane = avfmt2_num_planes(ctx->pix_fmt);
317 
318  if (frame) {
319  for (i = 0; i < x4->pic.img.i_plane; i++) {
320  x4->pic.img.plane[i] = frame->data[i];
321  x4->pic.img.i_stride[i] = frame->linesize[i];
322  }
323 
324  x4->pic.i_pts = frame->pts;
325 
327  x4->reordered_opaque[x4->next_reordered_opaque].wallclock = wallclock;
328  if (ctx->export_side_data & AV_CODEC_EXPORT_DATA_PRFT)
330  x4->pic.opaque = &x4->reordered_opaque[x4->next_reordered_opaque];
331  x4->next_reordered_opaque++;
333 
334  switch (frame->pict_type) {
335  case AV_PICTURE_TYPE_I:
336  x4->pic.i_type = x4->forced_idr > 0 ? X264_TYPE_IDR
337  : X264_TYPE_KEYFRAME;
338  break;
339  case AV_PICTURE_TYPE_P:
340  x4->pic.i_type = X264_TYPE_P;
341  break;
342  case AV_PICTURE_TYPE_B:
343  x4->pic.i_type = X264_TYPE_B;
344  break;
345  default:
346  x4->pic.i_type = X264_TYPE_AUTO;
347  break;
348  }
350 
351  if (x4->a53_cc) {
352  void *sei_data;
353  size_t sei_size;
354 
355  ret = ff_alloc_a53_sei(frame, 0, &sei_data, &sei_size);
356  if (ret < 0) {
357  av_log(ctx, AV_LOG_ERROR, "Not enough memory for closed captions, skipping\n");
358  } else if (sei_data) {
359  x4->pic.extra_sei.payloads = av_mallocz(sizeof(x4->pic.extra_sei.payloads[0]));
360  if (x4->pic.extra_sei.payloads == NULL) {
361  av_log(ctx, AV_LOG_ERROR, "Not enough memory for closed captions, skipping\n");
362  av_free(sei_data);
363  } else {
364  x4->pic.extra_sei.sei_free = av_free;
365 
366  x4->pic.extra_sei.payloads[0].payload_size = sei_size;
367  x4->pic.extra_sei.payloads[0].payload = sei_data;
368  x4->pic.extra_sei.num_payloads = 1;
369  x4->pic.extra_sei.payloads[0].payload_type = 4;
370  }
371  }
372  }
373 
375  if (sd) {
376  if (x4->params.rc.i_aq_mode == X264_AQ_NONE) {
377  if (!x4->roi_warned) {
378  x4->roi_warned = 1;
379  av_log(ctx, AV_LOG_WARNING, "Adaptive quantization must be enabled to use ROI encoding, skipping ROI.\n");
380  }
381  } else {
382  if (frame->interlaced_frame == 0) {
383  int mbx = (frame->width + MB_SIZE - 1) / MB_SIZE;
384  int mby = (frame->height + MB_SIZE - 1) / MB_SIZE;
385  int qp_range = 51 + 6 * (bit_depth - 8);
386  int nb_rois;
387  const AVRegionOfInterest *roi;
388  uint32_t roi_size;
389  float *qoffsets;
390 
391  roi = (const AVRegionOfInterest*)sd->data;
392  roi_size = roi->self_size;
393  if (!roi_size || sd->size % roi_size != 0) {
394  av_log(ctx, AV_LOG_ERROR, "Invalid AVRegionOfInterest.self_size.\n");
395  return AVERROR(EINVAL);
396  }
397  nb_rois = sd->size / roi_size;
398 
399  qoffsets = av_mallocz_array(mbx * mby, sizeof(*qoffsets));
400  if (!qoffsets)
401  return AVERROR(ENOMEM);
402 
403  // This list must be iterated in reverse because the first
404  // region in the list applies when regions overlap.
405  for (int i = nb_rois - 1; i >= 0; i--) {
406  int startx, endx, starty, endy;
407  float qoffset;
408 
409  roi = (const AVRegionOfInterest*)(sd->data + roi_size * i);
410 
411  starty = FFMIN(mby, roi->top / MB_SIZE);
412  endy = FFMIN(mby, (roi->bottom + MB_SIZE - 1)/ MB_SIZE);
413  startx = FFMIN(mbx, roi->left / MB_SIZE);
414  endx = FFMIN(mbx, (roi->right + MB_SIZE - 1)/ MB_SIZE);
415 
416  if (roi->qoffset.den == 0) {
417  av_free(qoffsets);
418  av_log(ctx, AV_LOG_ERROR, "AVRegionOfInterest.qoffset.den must not be zero.\n");
419  return AVERROR(EINVAL);
420  }
421  qoffset = roi->qoffset.num * 1.0f / roi->qoffset.den;
422  qoffset = av_clipf(qoffset * qp_range, -qp_range, +qp_range);
423 
424  for (int y = starty; y < endy; y++) {
425  for (int x = startx; x < endx; x++) {
426  qoffsets[x + y*mbx] = qoffset;
427  }
428  }
429  }
430 
431  x4->pic.prop.quant_offsets = qoffsets;
432  x4->pic.prop.quant_offsets_free = av_free;
433  } else {
434  if (!x4->roi_warned) {
435  x4->roi_warned = 1;
436  av_log(ctx, AV_LOG_WARNING, "interlaced_frame not supported for ROI encoding yet, skipping ROI.\n");
437  }
438  }
439  }
440  }
441  }
442 
443  do {
444  if (x264_encoder_encode(x4->enc, &nal, &nnal, frame? &x4->pic: NULL, &pic_out) < 0)
445  return AVERROR_EXTERNAL;
446 
447  ret = encode_nals(ctx, pkt, nal, nnal);
448  if (ret < 0)
449  return ret;
450  } while (!ret && !frame && x264_encoder_delayed_frames(x4->enc));
451 
452  if (!ret)
453  return 0;
454 
455  pkt->pts = pic_out.i_pts;
456  pkt->dts = pic_out.i_dts;
457 
458  out_opaque = pic_out.opaque;
459  if (out_opaque >= x4->reordered_opaque &&
460  out_opaque < &x4->reordered_opaque[x4->nb_reordered_opaque]) {
461  ctx->reordered_opaque = out_opaque->reordered_opaque;
462  wallclock = out_opaque->wallclock;
463  } else {
464  // Unexpected opaque pointer on picture output
465  ctx->reordered_opaque = 0;
466  }
467 
468  switch (pic_out.i_type) {
469  case X264_TYPE_IDR:
470  case X264_TYPE_I:
471  pict_type = AV_PICTURE_TYPE_I;
472  break;
473  case X264_TYPE_P:
474  pict_type = AV_PICTURE_TYPE_P;
475  break;
476  case X264_TYPE_B:
477  case X264_TYPE_BREF:
478  pict_type = AV_PICTURE_TYPE_B;
479  break;
480  default:
481  av_log(ctx, AV_LOG_ERROR, "Unknown picture type encountered.\n");
482  return AVERROR_EXTERNAL;
483  }
484 #if FF_API_CODED_FRAME
486  ctx->coded_frame->pict_type = pict_type;
488 #endif
489 
490  pkt->flags |= AV_PKT_FLAG_KEY*pic_out.b_keyframe;
491  if (ret) {
492  ff_side_data_set_encoder_stats(pkt, (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA, NULL, 0, pict_type);
493  if (wallclock)
494  ff_side_data_set_prft(pkt, wallclock);
495 
496 #if FF_API_CODED_FRAME
498  ctx->coded_frame->quality = (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA;
500 #endif
501  }
502 
503  *got_packet = ret;
504  return 0;
505 }
506 
508 {
509  X264Context *x4 = avctx->priv_data;
510 
511  av_freep(&avctx->extradata);
512  av_freep(&x4->sei);
514 
515 #if X264_BUILD >= 161
516  x264_param_cleanup(&x4->params);
517 #endif
518 
519  if (x4->enc) {
520  x264_encoder_close(x4->enc);
521  x4->enc = NULL;
522  }
523 
524  return 0;
525 }
526 
527 static int parse_opts(AVCodecContext *avctx, const char *opt, const char *param)
528 {
529  X264Context *x4 = avctx->priv_data;
530  int ret;
531 
532  if ((ret = x264_param_parse(&x4->params, opt, param)) < 0) {
533  if (ret == X264_PARAM_BAD_NAME) {
534  av_log(avctx, AV_LOG_ERROR,
535  "bad option '%s': '%s'\n", opt, param);
536  ret = AVERROR(EINVAL);
537 #if X264_BUILD >= 161
538  } else if (ret == X264_PARAM_ALLOC_FAILED) {
539  av_log(avctx, AV_LOG_ERROR,
540  "out of memory parsing option '%s': '%s'\n", opt, param);
541  ret = AVERROR(ENOMEM);
542 #endif
543  } else {
544  av_log(avctx, AV_LOG_ERROR,
545  "bad value for '%s': '%s'\n", opt, param);
546  ret = AVERROR(EINVAL);
547  }
548  }
549 
550  return ret;
551 }
552 
554 {
555  switch (pix_fmt) {
556  case AV_PIX_FMT_YUV420P:
557  case AV_PIX_FMT_YUVJ420P:
558  case AV_PIX_FMT_YUV420P9:
559  case AV_PIX_FMT_YUV420P10: return X264_CSP_I420;
560  case AV_PIX_FMT_YUV422P:
561  case AV_PIX_FMT_YUVJ422P:
562  case AV_PIX_FMT_YUV422P10: return X264_CSP_I422;
563  case AV_PIX_FMT_YUV444P:
564  case AV_PIX_FMT_YUVJ444P:
565  case AV_PIX_FMT_YUV444P9:
566  case AV_PIX_FMT_YUV444P10: return X264_CSP_I444;
567 #if CONFIG_LIBX264RGB_ENCODER
568  case AV_PIX_FMT_BGR0:
569  return X264_CSP_BGRA;
570  case AV_PIX_FMT_BGR24:
571  return X264_CSP_BGR;
572 
573  case AV_PIX_FMT_RGB24:
574  return X264_CSP_RGB;
575 #endif
576  case AV_PIX_FMT_NV12: return X264_CSP_NV12;
577  case AV_PIX_FMT_NV16:
578  case AV_PIX_FMT_NV20: return X264_CSP_NV16;
579 #ifdef X264_CSP_NV21
580  case AV_PIX_FMT_NV21: return X264_CSP_NV21;
581 #endif
582 #ifdef X264_CSP_I400
583  case AV_PIX_FMT_GRAY8:
584  case AV_PIX_FMT_GRAY10: return X264_CSP_I400;
585 #endif
586  };
587  return 0;
588 }
589 
590 #define PARSE_X264_OPT(name, var)\
591  if (x4->var && x264_param_parse(&x4->params, name, x4->var) < 0) {\
592  av_log(avctx, AV_LOG_ERROR, "Error parsing option '%s' with value '%s'.\n", name, x4->var);\
593  return AVERROR(EINVAL);\
594  }
595 
596 static av_cold int X264_init(AVCodecContext *avctx)
597 {
598  X264Context *x4 = avctx->priv_data;
599  AVCPBProperties *cpb_props;
600  int sw,sh;
601  int ret;
602 
603  if (avctx->global_quality > 0)
604  av_log(avctx, AV_LOG_WARNING, "-qscale is ignored, -crf is recommended.\n");
605 
606 #if CONFIG_LIBX262_ENCODER
607  if (avctx->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
608  x4->params.b_mpeg2 = 1;
609  x264_param_default_mpeg2(&x4->params);
610  } else
611 #endif
612  x264_param_default(&x4->params);
613 
614  x4->params.b_deblocking_filter = avctx->flags & AV_CODEC_FLAG_LOOP_FILTER;
615 
616  if (x4->preset || x4->tune)
617  if (x264_param_default_preset(&x4->params, x4->preset, x4->tune) < 0) {
618  int i;
619  av_log(avctx, AV_LOG_ERROR, "Error setting preset/tune %s/%s.\n", x4->preset, x4->tune);
620  av_log(avctx, AV_LOG_INFO, "Possible presets:");
621  for (i = 0; x264_preset_names[i]; i++)
622  av_log(avctx, AV_LOG_INFO, " %s", x264_preset_names[i]);
623  av_log(avctx, AV_LOG_INFO, "\n");
624  av_log(avctx, AV_LOG_INFO, "Possible tunes:");
625  for (i = 0; x264_tune_names[i]; i++)
626  av_log(avctx, AV_LOG_INFO, " %s", x264_tune_names[i]);
627  av_log(avctx, AV_LOG_INFO, "\n");
628  return AVERROR(EINVAL);
629  }
630 
631  if (avctx->level > 0)
632  x4->params.i_level_idc = avctx->level;
633 
634  x4->params.pf_log = X264_log;
635  x4->params.p_log_private = avctx;
636  x4->params.i_log_level = X264_LOG_DEBUG;
637  x4->params.i_csp = convert_pix_fmt(avctx->pix_fmt);
638 #if X264_BUILD >= 153
639  x4->params.i_bitdepth = av_pix_fmt_desc_get(avctx->pix_fmt)->comp[0].depth;
640 #endif
641 
642  PARSE_X264_OPT("weightp", wpredp);
643 
644  if (avctx->bit_rate) {
645  if (avctx->bit_rate / 1000 > INT_MAX || avctx->rc_max_rate / 1000 > INT_MAX) {
646  av_log(avctx, AV_LOG_ERROR, "bit_rate and rc_max_rate > %d000 not supported by libx264\n", INT_MAX);
647  return AVERROR(EINVAL);
648  }
649  x4->params.rc.i_bitrate = avctx->bit_rate / 1000;
650  x4->params.rc.i_rc_method = X264_RC_ABR;
651  }
652  x4->params.rc.i_vbv_buffer_size = avctx->rc_buffer_size / 1000;
653  x4->params.rc.i_vbv_max_bitrate = avctx->rc_max_rate / 1000;
654  x4->params.rc.b_stat_write = avctx->flags & AV_CODEC_FLAG_PASS1;
655  if (avctx->flags & AV_CODEC_FLAG_PASS2) {
656  x4->params.rc.b_stat_read = 1;
657  } else {
658  if (x4->crf >= 0) {
659  x4->params.rc.i_rc_method = X264_RC_CRF;
660  x4->params.rc.f_rf_constant = x4->crf;
661  } else if (x4->cqp >= 0) {
662  x4->params.rc.i_rc_method = X264_RC_CQP;
663  x4->params.rc.i_qp_constant = x4->cqp;
664  }
665 
666  if (x4->crf_max >= 0)
667  x4->params.rc.f_rf_constant_max = x4->crf_max;
668  }
669 
670  if (avctx->rc_buffer_size && avctx->rc_initial_buffer_occupancy > 0 &&
671  (avctx->rc_initial_buffer_occupancy <= avctx->rc_buffer_size)) {
672  x4->params.rc.f_vbv_buffer_init =
673  (float)avctx->rc_initial_buffer_occupancy / avctx->rc_buffer_size;
674  }
675 
676  PARSE_X264_OPT("level", level);
677 
678  if (avctx->i_quant_factor > 0)
679  x4->params.rc.f_ip_factor = 1 / fabs(avctx->i_quant_factor);
680  if (avctx->b_quant_factor > 0)
681  x4->params.rc.f_pb_factor = avctx->b_quant_factor;
682 
683 #if FF_API_PRIVATE_OPT
685  if (avctx->chromaoffset)
686  x4->chroma_offset = avctx->chromaoffset;
688 #endif
689  if (x4->chroma_offset)
690  x4->params.analyse.i_chroma_qp_offset = x4->chroma_offset;
691 
692  if (avctx->gop_size >= 0)
693  x4->params.i_keyint_max = avctx->gop_size;
694  if (avctx->max_b_frames >= 0)
695  x4->params.i_bframe = avctx->max_b_frames;
696 
697 #if FF_API_PRIVATE_OPT
699  if (avctx->scenechange_threshold >= 0)
702 #endif
703  if (x4->scenechange_threshold >= 0)
704  x4->params.i_scenecut_threshold = x4->scenechange_threshold;
705 
706  if (avctx->qmin >= 0)
707  x4->params.rc.i_qp_min = avctx->qmin;
708  if (avctx->qmax >= 0)
709  x4->params.rc.i_qp_max = avctx->qmax;
710  if (avctx->max_qdiff >= 0)
711  x4->params.rc.i_qp_step = avctx->max_qdiff;
712  if (avctx->qblur >= 0)
713  x4->params.rc.f_qblur = avctx->qblur; /* temporally blur quants */
714  if (avctx->qcompress >= 0)
715  x4->params.rc.f_qcompress = avctx->qcompress; /* 0.0 => cbr, 1.0 => constant qp */
716  if (avctx->refs >= 0)
717  x4->params.i_frame_reference = avctx->refs;
718  else if (x4->params.i_level_idc > 0) {
719  int i;
720  int mbn = AV_CEIL_RSHIFT(avctx->width, 4) * AV_CEIL_RSHIFT(avctx->height, 4);
721  int scale = X264_BUILD < 129 ? 384 : 1;
722 
723  for (i = 0; i<x264_levels[i].level_idc; i++)
724  if (x264_levels[i].level_idc == x4->params.i_level_idc)
725  x4->params.i_frame_reference = av_clip(x264_levels[i].dpb / mbn / scale, 1, x4->params.i_frame_reference);
726  }
727 
728  if (avctx->trellis >= 0)
729  x4->params.analyse.i_trellis = avctx->trellis;
730  if (avctx->me_range >= 0)
731  x4->params.analyse.i_me_range = avctx->me_range;
732 #if FF_API_PRIVATE_OPT
734  if (avctx->noise_reduction >= 0)
735  x4->noise_reduction = avctx->noise_reduction;
737 #endif
738  if (x4->noise_reduction >= 0)
739  x4->params.analyse.i_noise_reduction = x4->noise_reduction;
740  if (avctx->me_subpel_quality >= 0)
741  x4->params.analyse.i_subpel_refine = avctx->me_subpel_quality;
742 #if FF_API_PRIVATE_OPT
744  if (avctx->b_frame_strategy >= 0)
745  x4->b_frame_strategy = avctx->b_frame_strategy;
747 #endif
748  if (avctx->keyint_min >= 0)
749  x4->params.i_keyint_min = avctx->keyint_min;
750 #if FF_API_CODER_TYPE
752  if (avctx->coder_type >= 0)
753  x4->coder = avctx->coder_type == FF_CODER_TYPE_AC;
755 #endif
756  if (avctx->me_cmp >= 0)
757  x4->params.analyse.b_chroma_me = avctx->me_cmp & FF_CMP_CHROMA;
758 
759  if (x4->aq_mode >= 0)
760  x4->params.rc.i_aq_mode = x4->aq_mode;
761  if (x4->aq_strength >= 0)
762  x4->params.rc.f_aq_strength = x4->aq_strength;
763  PARSE_X264_OPT("psy-rd", psy_rd);
764  PARSE_X264_OPT("deblock", deblock);
765  PARSE_X264_OPT("partitions", partitions);
766  PARSE_X264_OPT("stats", stats);
767  if (x4->psy >= 0)
768  x4->params.analyse.b_psy = x4->psy;
769  if (x4->rc_lookahead >= 0)
770  x4->params.rc.i_lookahead = x4->rc_lookahead;
771  if (x4->weightp >= 0)
772  x4->params.analyse.i_weighted_pred = x4->weightp;
773  if (x4->weightb >= 0)
774  x4->params.analyse.b_weighted_bipred = x4->weightb;
775  if (x4->cplxblur >= 0)
776  x4->params.rc.f_complexity_blur = x4->cplxblur;
777 
778  if (x4->ssim >= 0)
779  x4->params.analyse.b_ssim = x4->ssim;
780  if (x4->intra_refresh >= 0)
781  x4->params.b_intra_refresh = x4->intra_refresh;
782  if (x4->bluray_compat >= 0) {
783  x4->params.b_bluray_compat = x4->bluray_compat;
784  x4->params.b_vfr_input = 0;
785  }
786  if (x4->avcintra_class >= 0)
787 #if X264_BUILD >= 142
788  x4->params.i_avcintra_class = x4->avcintra_class;
789 #else
790  av_log(avctx, AV_LOG_ERROR,
791  "x264 too old for AVC Intra, at least version 142 needed\n");
792 #endif
793  if (x4->b_bias != INT_MIN)
794  x4->params.i_bframe_bias = x4->b_bias;
795  if (x4->b_pyramid >= 0)
796  x4->params.i_bframe_pyramid = x4->b_pyramid;
797  if (x4->mixed_refs >= 0)
798  x4->params.analyse.b_mixed_references = x4->mixed_refs;
799  if (x4->dct8x8 >= 0)
800  x4->params.analyse.b_transform_8x8 = x4->dct8x8;
801  if (x4->fast_pskip >= 0)
802  x4->params.analyse.b_fast_pskip = x4->fast_pskip;
803  if (x4->aud >= 0)
804  x4->params.b_aud = x4->aud;
805  if (x4->mbtree >= 0)
806  x4->params.rc.b_mb_tree = x4->mbtree;
807  if (x4->direct_pred >= 0)
808  x4->params.analyse.i_direct_mv_pred = x4->direct_pred;
809 
810  if (x4->slice_max_size >= 0)
811  x4->params.i_slice_max_size = x4->slice_max_size;
812 
813  if (x4->fastfirstpass)
814  x264_param_apply_fastfirstpass(&x4->params);
815 
816  /* Allow specifying the x264 profile through AVCodecContext. */
817  if (!x4->profile)
818  switch (avctx->profile) {
820  x4->profile = av_strdup("baseline");
821  break;
823  x4->profile = av_strdup("high");
824  break;
826  x4->profile = av_strdup("high10");
827  break;
829  x4->profile = av_strdup("high422");
830  break;
832  x4->profile = av_strdup("high444");
833  break;
835  x4->profile = av_strdup("main");
836  break;
837  default:
838  break;
839  }
840 
841  if (x4->nal_hrd >= 0)
842  x4->params.i_nal_hrd = x4->nal_hrd;
843 
844  if (x4->motion_est >= 0)
845  x4->params.analyse.i_me_method = x4->motion_est;
846 
847  if (x4->coder >= 0)
848  x4->params.b_cabac = x4->coder;
849 
850  if (x4->b_frame_strategy >= 0)
851  x4->params.i_bframe_adaptive = x4->b_frame_strategy;
852 
853  if (x4->profile)
854  if (x264_param_apply_profile(&x4->params, x4->profile) < 0) {
855  int i;
856  av_log(avctx, AV_LOG_ERROR, "Error setting profile %s.\n", x4->profile);
857  av_log(avctx, AV_LOG_INFO, "Possible profiles:");
858  for (i = 0; x264_profile_names[i]; i++)
859  av_log(avctx, AV_LOG_INFO, " %s", x264_profile_names[i]);
860  av_log(avctx, AV_LOG_INFO, "\n");
861  return AVERROR(EINVAL);
862  }
863 
864  x4->params.i_width = avctx->width;
865  x4->params.i_height = avctx->height;
866  av_reduce(&sw, &sh, avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den, 4096);
867  x4->params.vui.i_sar_width = sw;
868  x4->params.vui.i_sar_height = sh;
869  x4->params.i_timebase_den = avctx->time_base.den;
870  x4->params.i_timebase_num = avctx->time_base.num;
871  if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
872  x4->params.i_fps_num = avctx->framerate.num;
873  x4->params.i_fps_den = avctx->framerate.den;
874  } else {
875  x4->params.i_fps_num = avctx->time_base.den;
876  x4->params.i_fps_den = avctx->time_base.num * avctx->ticks_per_frame;
877  }
878 
879  x4->params.analyse.b_psnr = avctx->flags & AV_CODEC_FLAG_PSNR;
880 
881  x4->params.i_threads = avctx->thread_count;
882  if (avctx->thread_type)
883  x4->params.b_sliced_threads = avctx->thread_type == FF_THREAD_SLICE;
884 
885  x4->params.b_interlaced = avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT;
886 
887  x4->params.b_open_gop = !(avctx->flags & AV_CODEC_FLAG_CLOSED_GOP);
888 
889  x4->params.i_slice_count = avctx->slices;
890 
891  x4->params.vui.b_fullrange = avctx->pix_fmt == AV_PIX_FMT_YUVJ420P ||
892  avctx->pix_fmt == AV_PIX_FMT_YUVJ422P ||
893  avctx->pix_fmt == AV_PIX_FMT_YUVJ444P ||
894  avctx->color_range == AVCOL_RANGE_JPEG;
895 
896  if (avctx->colorspace != AVCOL_SPC_UNSPECIFIED)
897  x4->params.vui.i_colmatrix = avctx->colorspace;
899  x4->params.vui.i_colorprim = avctx->color_primaries;
900  if (avctx->color_trc != AVCOL_TRC_UNSPECIFIED)
901  x4->params.vui.i_transfer = avctx->color_trc;
902 
903  if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER)
904  x4->params.b_repeat_headers = 0;
905 
906  if(x4->x264opts){
907  const char *p= x4->x264opts;
908  while(p){
909  char param[4096]={0}, val[4096]={0};
910  if(sscanf(p, "%4095[^:=]=%4095[^:]", param, val) == 1){
911  ret = parse_opts(avctx, param, "1");
912  if (ret < 0)
913  return ret;
914  } else {
915  ret = parse_opts(avctx, param, val);
916  if (ret < 0)
917  return ret;
918  }
919  p= strchr(p, ':');
920  p+=!!p;
921  }
922  }
923 
924 
925  {
926  AVDictionaryEntry *en = NULL;
927  while (en = av_dict_get(x4->x264_params, "", en, AV_DICT_IGNORE_SUFFIX)) {
928  if ((ret = x264_param_parse(&x4->params, en->key, en->value)) < 0) {
929  av_log(avctx, AV_LOG_WARNING,
930  "Error parsing option '%s = %s'.\n",
931  en->key, en->value);
932 #if X264_BUILD >= 161
933  if (ret == X264_PARAM_ALLOC_FAILED)
934  return AVERROR(ENOMEM);
935 #endif
936  }
937  }
938  }
939 
940  // update AVCodecContext with x264 parameters
941  avctx->has_b_frames = x4->params.i_bframe ?
942  x4->params.i_bframe_pyramid ? 2 : 1 : 0;
943  if (avctx->max_b_frames < 0)
944  avctx->max_b_frames = 0;
945 
946  avctx->bit_rate = x4->params.rc.i_bitrate*1000LL;
947 
948  x4->enc = x264_encoder_open(&x4->params);
949  if (!x4->enc)
950  return AVERROR_EXTERNAL;
951 
952  if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
953  x264_nal_t *nal;
954  uint8_t *p;
955  int nnal, s, i;
956 
957  s = x264_encoder_headers(x4->enc, &nal, &nnal);
959  if (!p)
960  return AVERROR(ENOMEM);
961 
962  for (i = 0; i < nnal; i++) {
963  /* Don't put the SEI in extradata. */
964  if (nal[i].i_type == NAL_SEI) {
965  av_log(avctx, AV_LOG_INFO, "%s\n", nal[i].p_payload+25);
966  x4->sei_size = nal[i].i_payload;
967  x4->sei = av_malloc(x4->sei_size);
968  if (!x4->sei)
969  return AVERROR(ENOMEM);
970  memcpy(x4->sei, nal[i].p_payload, nal[i].i_payload);
971  continue;
972  }
973  memcpy(p, nal[i].p_payload, nal[i].i_payload);
974  p += nal[i].i_payload;
975  }
976  avctx->extradata_size = p - avctx->extradata;
977  }
978 
979  cpb_props = ff_add_cpb_side_data(avctx);
980  if (!cpb_props)
981  return AVERROR(ENOMEM);
982  cpb_props->buffer_size = x4->params.rc.i_vbv_buffer_size * 1000;
983  cpb_props->max_bitrate = x4->params.rc.i_vbv_max_bitrate * 1000LL;
984  cpb_props->avg_bitrate = x4->params.rc.i_bitrate * 1000LL;
985 
986  // Overestimate the reordered opaque buffer size, in case a runtime
987  // reconfigure would increase the delay (which it shouldn't).
988  x4->nb_reordered_opaque = x264_encoder_maximum_delayed_frames(x4->enc) + 17;
990  sizeof(*x4->reordered_opaque));
991  if (!x4->reordered_opaque)
992  return AVERROR(ENOMEM);
993 
994  return 0;
995 }
996 
997 static const enum AVPixelFormat pix_fmts_8bit[] = {
1006 #ifdef X264_CSP_NV21
1008 #endif
1010 };
1011 static const enum AVPixelFormat pix_fmts_9bit[] = {
1015 };
1016 static const enum AVPixelFormat pix_fmts_10bit[] = {
1022 };
1023 static const enum AVPixelFormat pix_fmts_all[] = {
1032 #ifdef X264_CSP_NV21
1034 #endif
1039 #ifdef X264_CSP_I400
1042 #endif
1044 };
1045 #if CONFIG_LIBX264RGB_ENCODER
1046 static const enum AVPixelFormat pix_fmts_8bit_rgb[] = {
1051 };
1052 #endif
1053 
1054 #if X264_BUILD < 153
1055 static av_cold void X264_init_static(AVCodec *codec)
1056 {
1057  if (x264_bit_depth == 8)
1058  codec->pix_fmts = pix_fmts_8bit;
1059  else if (x264_bit_depth == 9)
1060  codec->pix_fmts = pix_fmts_9bit;
1061  else if (x264_bit_depth == 10)
1062  codec->pix_fmts = pix_fmts_10bit;
1063 }
1064 #endif
1065 
1066 #define OFFSET(x) offsetof(X264Context, x)
1067 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
1068 static const AVOption options[] = {
1069  { "preset", "Set the encoding preset (cf. x264 --fullhelp)", OFFSET(preset), AV_OPT_TYPE_STRING, { .str = "medium" }, 0, 0, VE},
1070  { "tune", "Tune the encoding params (cf. x264 --fullhelp)", OFFSET(tune), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
1071  { "profile", "Set profile restrictions (cf. x264 --fullhelp) ", OFFSET(profile), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
1072  { "fastfirstpass", "Use fast settings when encoding first pass", OFFSET(fastfirstpass), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE},
1073  {"level", "Specify level (as defined by Annex A)", OFFSET(level), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
1074  {"passlogfile", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
1075  {"wpredp", "Weighted prediction for P-frames", OFFSET(wpredp), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
1076  {"a53cc", "Use A53 Closed Captions (if available)", OFFSET(a53_cc), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, VE},
1077  {"x264opts", "x264 options", OFFSET(x264opts), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
1078  { "crf", "Select the quality for constant quality mode", OFFSET(crf), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE },
1079  { "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 },
1080  { "qp", "Constant quantization parameter rate control method",OFFSET(cqp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE },
1081  { "aq-mode", "AQ method", OFFSET(aq_mode), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "aq_mode"},
1082  { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_NONE}, INT_MIN, INT_MAX, VE, "aq_mode" },
1083  { "variance", "Variance AQ (complexity mask)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_VARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },
1084  { "autovariance", "Auto-variance AQ", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_AUTOVARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },
1085 #if X264_BUILD >= 144
1086  { "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" },
1087 #endif
1088  { "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},
1089  { "psy", "Use psychovisual optimizations.", OFFSET(psy), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
1090  { "psy-rd", "Strength of psychovisual optimization, in <psy-rd>:<psy-trellis> format.", OFFSET(psy_rd), AV_OPT_TYPE_STRING, {0 }, 0, 0, VE},
1091  { "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 },
1092  { "weightb", "Weighted prediction for B-frames.", OFFSET(weightb), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
1093  { "weightp", "Weighted prediction analysis method.", OFFSET(weightp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "weightp" },
1094  { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_NONE}, INT_MIN, INT_MAX, VE, "weightp" },
1095  { "simple", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SIMPLE}, INT_MIN, INT_MAX, VE, "weightp" },
1096  { "smart", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SMART}, INT_MIN, INT_MAX, VE, "weightp" },
1097  { "ssim", "Calculate and print SSIM stats.", OFFSET(ssim), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
1098  { "intra-refresh", "Use Periodic Intra Refresh instead of IDR frames.",OFFSET(intra_refresh),AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
1099  { "bluray-compat", "Bluray compatibility workarounds.", OFFSET(bluray_compat) ,AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
1100  { "b-bias", "Influences how often B-frames are used", OFFSET(b_bias), AV_OPT_TYPE_INT, { .i64 = INT_MIN}, INT_MIN, INT_MAX, VE },
1101  { "b-pyramid", "Keep some B-frames as references.", OFFSET(b_pyramid), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "b_pyramid" },
1102  { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NONE}, INT_MIN, INT_MAX, VE, "b_pyramid" },
1103  { "strict", "Strictly hierarchical pyramid", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_STRICT}, INT_MIN, INT_MAX, VE, "b_pyramid" },
1104  { "normal", "Non-strict (not Blu-ray compatible)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NORMAL}, INT_MIN, INT_MAX, VE, "b_pyramid" },
1105  { "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 },
1106  { "8x8dct", "High profile 8x8 transform.", OFFSET(dct8x8), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
1107  { "fast-pskip", NULL, OFFSET(fast_pskip), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
1108  { "aud", "Use access unit delimiters.", OFFSET(aud), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
1109  { "mbtree", "Use macroblock tree ratecontrol.", OFFSET(mbtree), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
1110  { "deblock", "Loop filter parameters, in <alpha:beta> form.", OFFSET(deblock), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
1111  { "cplxblur", "Reduce fluctuations in QP (before curve compression)", OFFSET(cplxblur), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE},
1112  { "partitions", "A comma-separated list of partitions to consider. "
1113  "Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all", OFFSET(partitions), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
1114  { "direct-pred", "Direct MV prediction mode", OFFSET(direct_pred), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "direct-pred" },
1115  { "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_NONE }, 0, 0, VE, "direct-pred" },
1116  { "spatial", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_SPATIAL }, 0, 0, VE, "direct-pred" },
1117  { "temporal", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_TEMPORAL }, 0, 0, VE, "direct-pred" },
1118  { "auto", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_AUTO }, 0, 0, VE, "direct-pred" },
1119  { "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 },
1120  { "stats", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
1121  { "nal-hrd", "Signal HRD information (requires vbv-bufsize; "
1122  "cbr not allowed in .mp4)", OFFSET(nal_hrd), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "nal-hrd" },
1123  { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_NONE}, INT_MIN, INT_MAX, VE, "nal-hrd" },
1124  { "vbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_VBR}, INT_MIN, INT_MAX, VE, "nal-hrd" },
1125  { "cbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_CBR}, INT_MIN, INT_MAX, VE, "nal-hrd" },
1126  { "avcintra-class","AVC-Intra class 50/100/200", OFFSET(avcintra_class),AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 200 , VE},
1127  { "me_method", "Set motion estimation method", OFFSET(motion_est), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, X264_ME_TESA, VE, "motion-est"},
1128  { "motion-est", "Set motion estimation method", OFFSET(motion_est), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, X264_ME_TESA, VE, "motion-est"},
1129  { "dia", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_DIA }, INT_MIN, INT_MAX, VE, "motion-est" },
1130  { "hex", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_HEX }, INT_MIN, INT_MAX, VE, "motion-est" },
1131  { "umh", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_UMH }, INT_MIN, INT_MAX, VE, "motion-est" },
1132  { "esa", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_ESA }, INT_MIN, INT_MAX, VE, "motion-est" },
1133  { "tesa", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_TESA }, INT_MIN, INT_MAX, VE, "motion-est" },
1134  { "forced-idr", "If forcing keyframes, force them as IDR frames.", OFFSET(forced_idr), AV_OPT_TYPE_BOOL, { .i64 = 0 }, -1, 1, VE },
1135  { "coder", "Coder type", OFFSET(coder), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE, "coder" },
1136  { "default", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = -1 }, INT_MIN, INT_MAX, VE, "coder" },
1137  { "cavlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, "coder" },
1138  { "cabac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, VE, "coder" },
1139  { "vlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, "coder" },
1140  { "ac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, VE, "coder" },
1141  { "b_strategy", "Strategy to choose between I/P/B-frames", OFFSET(b_frame_strategy), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 2, VE },
1142  { "chromaoffset", "QP difference between chroma and luma", OFFSET(chroma_offset), AV_OPT_TYPE_INT, { .i64 = 0 }, INT_MIN, INT_MAX, VE },
1143  { "sc_threshold", "Scene change threshold", OFFSET(scenechange_threshold), AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX, VE },
1144  { "noise_reduction", "Noise reduction", OFFSET(noise_reduction), AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX, VE },
1145 
1146  { "x264-params", "Override the x264 configuration using a :-separated list of key=value parameters", OFFSET(x264_params), AV_OPT_TYPE_DICT, { 0 }, 0, 0, VE },
1147  { NULL },
1148 };
1149 
1150 static const AVCodecDefault x264_defaults[] = {
1151  { "b", "0" },
1152  { "bf", "-1" },
1153  { "flags2", "0" },
1154  { "g", "-1" },
1155  { "i_qfactor", "-1" },
1156  { "b_qfactor", "-1" },
1157  { "qmin", "-1" },
1158  { "qmax", "-1" },
1159  { "qdiff", "-1" },
1160  { "qblur", "-1" },
1161  { "qcomp", "-1" },
1162 // { "rc_lookahead", "-1" },
1163  { "refs", "-1" },
1164 #if FF_API_PRIVATE_OPT
1165  { "sc_threshold", "-1" },
1166 #endif
1167  { "trellis", "-1" },
1168 #if FF_API_PRIVATE_OPT
1169  { "nr", "-1" },
1170 #endif
1171  { "me_range", "-1" },
1172  { "subq", "-1" },
1173 #if FF_API_PRIVATE_OPT
1174  { "b_strategy", "-1" },
1175 #endif
1176  { "keyint_min", "-1" },
1177 #if FF_API_CODER_TYPE
1178  { "coder", "-1" },
1179 #endif
1180  { "cmp", "-1" },
1181  { "threads", AV_STRINGIFY(X264_THREADS_AUTO) },
1182  { "thread_type", "0" },
1183  { "flags", "+cgop" },
1184  { "rc_init_occupancy","-1" },
1185  { NULL },
1186 };
1187 
1188 #if CONFIG_LIBX264_ENCODER
1189 static const AVClass x264_class = {
1190  .class_name = "libx264",
1191  .item_name = av_default_item_name,
1192  .option = options,
1193  .version = LIBAVUTIL_VERSION_INT,
1194 };
1195 
1197  .name = "libx264",
1198  .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),
1199  .type = AVMEDIA_TYPE_VIDEO,
1200  .id = AV_CODEC_ID_H264,
1201  .priv_data_size = sizeof(X264Context),
1202  .init = X264_init,
1203  .encode2 = X264_frame,
1204  .close = X264_close,
1207  .caps_internal = FF_CODEC_CAP_AUTO_THREADS,
1208  .priv_class = &x264_class,
1210 #if X264_BUILD < 153
1212 #else
1214 #endif
1216 #if X264_BUILD >= 158
1218 #endif
1219  ,
1220  .wrapper_name = "libx264",
1221 };
1222 #endif
1223 
1224 #if CONFIG_LIBX264RGB_ENCODER
1225 static const AVClass rgbclass = {
1226  .class_name = "libx264rgb",
1227  .item_name = av_default_item_name,
1228  .option = options,
1229  .version = LIBAVUTIL_VERSION_INT,
1230 };
1231 
1233  .name = "libx264rgb",
1234  .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 RGB"),
1235  .type = AVMEDIA_TYPE_VIDEO,
1236  .id = AV_CODEC_ID_H264,
1237  .priv_data_size = sizeof(X264Context),
1238  .init = X264_init,
1239  .encode2 = X264_frame,
1240  .close = X264_close,
1243  .priv_class = &rgbclass,
1245  .pix_fmts = pix_fmts_8bit_rgb,
1247 #if X264_BUILD >= 158
1249 #endif
1250  ,
1251  .wrapper_name = "libx264",
1252 };
1253 #endif
1254 
1255 #if CONFIG_LIBX262_ENCODER
1256 static const AVClass X262_class = {
1257  .class_name = "libx262",
1258  .item_name = av_default_item_name,
1259  .option = options,
1260  .version = LIBAVUTIL_VERSION_INT,
1261 };
1262 
1264  .name = "libx262",
1265  .long_name = NULL_IF_CONFIG_SMALL("libx262 MPEG2VIDEO"),
1266  .type = AVMEDIA_TYPE_VIDEO,
1267  .id = AV_CODEC_ID_MPEG2VIDEO,
1268  .priv_data_size = sizeof(X264Context),
1269  .init = X264_init,
1270  .encode2 = X264_frame,
1271  .close = X264_close,
1274  .priv_class = &X262_class,
1278  .wrapper_name = "libx264",
1279 };
1280 #endif
static double val(void *priv, double ch)
Definition: aeval.c:76
static void bit_depth(AudioStatsContext *s, uint64_t mask, uint64_t imask, AVRational *depth)
Definition: af_astats.c:254
AVCodec ff_libx262_encoder
AVCodec ff_libx264_encoder
AVCodec ff_libx264rgb_encoder
static const AVCodecDefault defaults[]
Definition: amfenc_h264.c:361
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: atsc_a53.c:25
#define av_cold
Definition: attributes.h:88
uint8_t
Libavcodec external API header.
#define FF_PROFILE_H264_HIGH
Definition: avcodec.h:1901
#define FF_PROFILE_H264_HIGH_444
Definition: avcodec.h:1908
#define FF_CMP_CHROMA
Definition: avcodec.h:957
#define FF_PROFILE_H264_HIGH_422
Definition: avcodec.h:1905
#define FF_THREAD_SLICE
Decode more than one part of a single frame at once.
Definition: avcodec.h:1785
#define FF_PROFILE_H264_MAIN
Definition: avcodec.h:1899
#define FF_PROFILE_H264_HIGH_10
Definition: avcodec.h:1902
#define FF_PROFILE_H264_BASELINE
Definition: avcodec.h:1897
#define FF_CODER_TYPE_AC
Definition: avcodec.h:1448
int ff_side_data_set_encoder_stats(AVPacket *pkt, int quality, int64_t *error, int error_count, int pict_type)
Definition: avpacket.c:820
int ff_side_data_set_prft(AVPacket *pkt, int64_t timestamp)
Definition: avpacket.c:845
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:31
static int FUNC() aud(CodedBitstreamContext *ctx, RWContext *rw, H264RawAUD *current)
#define s(width, name)
Definition: cbs_vp9.c:257
#define FFMIN(a, b)
Definition: common.h:105
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:58
#define av_clip
Definition: common.h:122
#define av_clipf
Definition: common.h:170
#define NULL
Definition: coverity.c:32
static __device__ float fabs(float a)
Definition: cuda_runtime.h:182
static enum AVPixelFormat pix_fmt
static AVFrame * frame
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:33
simple arithmetic expression evaluator
@ AV_OPT_TYPE_CONST
Definition: opt.h:234
@ AV_OPT_TYPE_INT
Definition: opt.h:225
@ AV_OPT_TYPE_FLOAT
Definition: opt.h:228
@ AV_OPT_TYPE_DICT
Definition: opt.h:232
@ AV_OPT_TYPE_BOOL
Definition: opt.h:242
@ AV_OPT_TYPE_STRING
Definition: opt.h:229
#define AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE
This codec takes the reordered_opaque field from input AVFrames and returns it in the corresponding f...
Definition: codec.h:171
#define AV_CODEC_FLAG_PASS2
Use internal 2pass ratecontrol in second pass mode.
Definition: avcodec.h:300
#define AV_CODEC_CAP_OTHER_THREADS
Codec supports multithreading through a method other than slice- or frame-level multithreading.
Definition: codec.h:122
#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: codec.h:77
#define AV_CODEC_EXPORT_DATA_PRFT
Export encoder Producer Reference Time through packet side data.
Definition: avcodec.h:407
#define AV_CODEC_FLAG_CLOSED_GOP
Definition: avcodec.h:343
#define AV_CODEC_FLAG_INTERLACED_DCT
Use interlaced DCT.
Definition: avcodec.h:321
#define AV_CODEC_FLAG_PASS1
Use internal 2pass ratecontrol in first pass mode.
Definition: avcodec.h:296
#define AV_CODEC_FLAG_LOOP_FILTER
loop filter.
Definition: avcodec.h:304
#define AV_CODEC_FLAG_GLOBAL_HEADER
Place global headers in extradata instead of every keyframe.
Definition: avcodec.h:329
#define AV_CODEC_FLAG_PSNR
error[?] variables will be set during encoding.
Definition: avcodec.h:312
@ AV_CODEC_ID_H264
Definition: codec_id.h:76
@ AV_CODEC_ID_MPEG2VIDEO
preferred ID for MPEG-1/2 video decoding
Definition: codec_id.h:51
#define AV_INPUT_BUFFER_PADDING_SIZE
Required number of additionally allocated bytes at the end of the input bitstream for decoding.
Definition: avcodec.h:215
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
Definition: packet.h:410
#define AV_DICT_IGNORE_SUFFIX
Return first entry in a dictionary whose first part corresponds to the search key,...
Definition: dict.h:70
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
#define FF_QP2LAMBDA
factor to convert from H.263 QP to lambda
Definition: avutil.h:227
#define AVERROR_EXTERNAL
Generic error in an external library.
Definition: error.h:57
#define AVERROR(e)
Definition: error.h:43
AVFrameSideData * av_frame_get_side_data(const AVFrame *frame, enum AVFrameSideDataType type)
Definition: frame.c:738
@ AV_FRAME_DATA_STEREO3D
Stereoscopic 3d metadata.
Definition: frame.h:63
@ AV_FRAME_DATA_REGIONS_OF_INTEREST
Regions Of Interest, the data is an array of AVRegionOfInterest type, the number of array element is ...
Definition: frame.h:181
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
Definition: log.h:215
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:200
#define AV_LOG_INFO
Standard information.
Definition: log.h:205
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:194
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:424
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:235
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
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
Definition: mem.c:237
char * av_strdup(const char *s)
Duplicate a string.
Definition: mem.c:253
void * av_mallocz_array(size_t nmemb, size_t size)
Allocate a memory block for an array with av_mallocz().
Definition: mem.c:190
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
@ AV_PICTURE_TYPE_I
Intra.
Definition: avutil.h:274
@ AV_PICTURE_TYPE_P
Predicted.
Definition: avutil.h:275
@ AV_PICTURE_TYPE_B
Bi-dir predicted.
Definition: avutil.h:276
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
#define AV_STEREO3D_FLAG_INVERT
Inverted views, Right/Bottom represents the left view.
Definition: stereo3d.h:167
@ AV_STEREO3D_COLUMNS
Views are packed per column.
Definition: stereo3d.h:141
@ AV_STEREO3D_LINES
Views are packed per line, as if interlaced.
Definition: stereo3d.h:129
@ AV_STEREO3D_2D
Video is not stereoscopic (and metadata has to be there).
Definition: stereo3d.h:55
@ AV_STEREO3D_CHECKERBOARD
Views are packed in a checkerboard-like structure per pixel.
Definition: stereo3d.h:104
@ AV_STEREO3D_TOPBOTTOM
Views are on top of each other.
Definition: stereo3d.h:79
@ AV_STEREO3D_FRAMESEQUENCE
Views are alternated temporally.
Definition: stereo3d.h:92
@ AV_STEREO3D_SIDEBYSIDE
Views are next to each other.
Definition: stereo3d.h:67
#define AV_STRINGIFY(s)
Definition: macros.h:36
int i
Definition: input.c:407
AVCPBProperties * ff_add_cpb_side_data(AVCodecContext *avctx)
Add a CPB properties side data to an encoding context.
Definition: utils.c:1064
#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:41
#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:49
#define FF_CODEC_CAP_AUTO_THREADS
Codec handles avctx->thread_count == 0 (auto) internally.
Definition: internal.h:80
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117
#define FF_DISABLE_DEPRECATION_WARNINGS
Definition: internal.h:83
#define FF_ENABLE_DEPRECATION_WARNINGS
Definition: internal.h:84
Stereoscopic video.
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:309
static int X264_frame(AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
Definition: libx264.c:294
static enum AVPixelFormat pix_fmts_10bit[]
Definition: libx264.c:1016
static av_cold int X264_close(AVCodecContext *avctx)
Definition: libx264.c:507
static enum AVPixelFormat pix_fmts_9bit[]
Definition: libx264.c:1011
static const AVOption options[]
Definition: libx264.c:1068
#define PARSE_X264_OPT(name, var)
Definition: libx264.c:590
#define VE
Definition: libx264.c:1067
static av_cold int X264_init(AVCodecContext *avctx)
Definition: libx264.c:596
static av_cold void X264_init_static(AVCodec *codec)
Definition: libx264.c:1055
#define MB_SIZE
Definition: libx264.c:48
static int parse_opts(AVCodecContext *avctx, const char *opt, const char *param)
Definition: libx264.c:527
static const AVCodecDefault x264_defaults[]
Definition: libx264.c:1150
static void X264_log(void *p, int level, const char *fmt, va_list args)
Definition: libx264.c:118
static void reconfig_encoder(AVCodecContext *ctx, const AVFrame *frame)
Definition: libx264.c:194
static enum AVPixelFormat pix_fmts_8bit[]
Definition: libx264.c:997
static int encode_nals(AVCodecContext *ctx, AVPacket *pkt, const x264_nal_t *nals, int nnal)
Definition: libx264.c:134
#define OFFSET(x)
Definition: libx264.c:1066
static enum AVPixelFormat pix_fmts_all[]
Definition: libx264.c:1023
static int avfmt2_num_planes(int avfmt)
Definition: libx264.c:172
static int convert_pix_fmt(enum AVPixelFormat pix_fmt)
Definition: libx264.c:553
Memory handling functions.
static av_cold void init_static_data(void)
Definition: mv30.c:660
AVOptions.
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2573
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:398
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:399
@ AVCOL_RANGE_JPEG
Full range content.
Definition: pixfmt.h:586
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:400
#define AV_PIX_FMT_NV20
Definition: pixfmt.h:446
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:396
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
@ AV_PIX_FMT_NV12
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
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:65
@ AV_PIX_FMT_RGB24
packed RGB 8:8:8, 24bpp, RGBRGB...
Definition: pixfmt.h:68
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
@ AV_PIX_FMT_NV21
as above, but U and V bytes are swapped
Definition: pixfmt.h:90
@ AV_PIX_FMT_BGR0
packed BGR 8:8:8, 32bpp, BGRXBGRX... X=unused/undefined
Definition: pixfmt.h:240
@ AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
@ AV_PIX_FMT_GRAY8
Y , 8bpp.
Definition: pixfmt.h:74
@ AV_PIX_FMT_NV16
interleaved chroma YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:201
@ AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:71
@ AV_PIX_FMT_YUVJ422P
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
Definition: pixfmt.h:79
@ AV_PIX_FMT_BGR24
packed RGB 8:8:8, 24bpp, BGRBGR...
Definition: pixfmt.h:69
@ AV_PIX_FMT_YUVJ444P
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:80
@ AV_PIX_FMT_YUVJ420P
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:78
#define AV_PIX_FMT_GRAY10
Definition: pixfmt.h:380
@ AVCOL_PRI_UNSPECIFIED
Definition: pixfmt.h:461
@ AVCOL_TRC_UNSPECIFIED
Definition: pixfmt.h:486
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:402
@ AVCOL_SPC_UNSPECIFIED
Definition: pixfmt.h:515
mfxU16 profile
Definition: qsvenc.c:45
This structure describes the bitrate properties of an encoded bitstream.
Definition: avcodec.h:453
int avg_bitrate
Average bitrate of the stream, in bits per second.
Definition: avcodec.h:477
int buffer_size
The size of the buffer to which the ratecontrol is applied, in bits.
Definition: avcodec.h:486
int max_bitrate
Maximum bitrate of the stream, in bits per second.
Definition: avcodec.h:459
Describe the class of an AVClass context structure.
Definition: log.h:67
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
main external API structure.
Definition: avcodec.h:536
int trellis
trellis RD quantization
Definition: avcodec.h:1487
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:746
int max_qdiff
maximum quantizer difference between frames
Definition: avcodec.h:1394
int width
picture width / height.
Definition: avcodec.h:709
int rc_buffer_size
decoder bitstream buffer size
Definition: avcodec.h:1401
int me_cmp
motion estimation comparison function
Definition: avcodec.h:922
int global_quality
Global quality for codecs which cannot change it per frame.
Definition: avcodec.h:602
attribute_deprecated int coder_type
Definition: avcodec.h:1455
attribute_deprecated int scenechange_threshold
Definition: avcodec.h:1050
enum AVColorRange color_range
MPEG vs JPEG YUV range.
Definition: avcodec.h:1171
attribute_deprecated int chromaoffset
Definition: avcodec.h:1129
enum AVColorPrimaries color_primaries
Chromaticity coordinates of the source primaries.
Definition: avcodec.h:1150
int me_subpel_quality
subpel ME quality
Definition: avcodec.h:998
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:796
int qmin
minimum quantizer
Definition: avcodec.h:1380
int keyint_min
minimum GOP size
Definition: avcodec.h:1117
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:805
AVRational framerate
Definition: avcodec.h:2071
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:915
int ticks_per_frame
For some codecs, the time base is closer to the field rate than the frame rate.
Definition: avcodec.h:668
int has_b_frames
Size of the frame reordering buffer in the decoder.
Definition: avcodec.h:826
int level
level
Definition: avcodec.h:1984
int64_t bit_rate
the average bitrate
Definition: avcodec.h:586
int rc_initial_buffer_occupancy
Number of bits which should be loaded into the rc buffer before decoding starts.
Definition: avcodec.h:1444
int thread_type
Which multithreading methods to use.
Definition: avcodec.h:1783
int profile
profile
Definition: avcodec.h:1858
enum AVColorSpace colorspace
YUV colorspace type.
Definition: avcodec.h:1164
int gop_size
the number of pictures in a group of pictures, or 0 for intra_only
Definition: avcodec.h:731
int refs
number of reference frames
Definition: avcodec.h:1124
int64_t rc_max_rate
maximum bitrate
Definition: avcodec.h:1416
int thread_count
thread count is used to decide how many independent tasks should be passed to execute()
Definition: avcodec.h:1773
int qmax
maximum quantizer
Definition: avcodec.h:1387
enum AVColorTransferCharacteristic color_trc
Color Transfer Characteristic.
Definition: avcodec.h:1157
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented.
Definition: avcodec.h:659
int flags
AV_CODEC_FLAG_*.
Definition: avcodec.h:616
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
Definition: avcodec.h:637
float qcompress
amount of qscale change between easy & hard scenes (0.0-1.0)
Definition: avcodec.h:1372
float qblur
amount of qscale smoothing over time (0.0-1.0)
Definition: avcodec.h:1373
int me_range
maximum motion estimation search range in subpel units If 0 then no limit.
Definition: avcodec.h:1007
attribute_deprecated int noise_reduction
Definition: avcodec.h:1054
enum AVCodecID codec_id
Definition: avcodec.h:546
attribute_deprecated int b_frame_strategy
Definition: avcodec.h:810
int extradata_size
Definition: avcodec.h:638
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:841
void * priv_data
Definition: avcodec.h:563
int slices
Number of slices.
Definition: avcodec.h:1187
AVCodec.
Definition: codec.h:197
enum AVPixelFormat * pix_fmts
array of supported pixel formats, or NULL if unknown, array is terminated by -1
Definition: codec.h:218
const char * name
Name of the codec implementation.
Definition: codec.h:204
int depth
Number of bits in the component.
Definition: pixdesc.h:58
char * key
Definition: dict.h:82
char * value
Definition: dict.h:83
int64_t bit_rate
Total stream bitrate in bit/s, 0 if not available.
Definition: avformat.h:1354
void * priv_data
Format private data.
Definition: avformat.h:1260
Structure to hold side data for an AVFrame.
Definition: frame.h:220
uint8_t * data
Definition: frame.h:222
This structure describes decoded (raw) audio or video data.
Definition: frame.h:318
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:411
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:332
int width
Definition: frame.h:376
int height
Definition: frame.h:376
int top_field_first
If the content is interlaced, is top field displayed first.
Definition: frame.h:470
int interlaced_frame
The content of the picture is interlaced.
Definition: frame.h:465
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:349
int64_t reordered_opaque
reordered opaque 64 bits (generally an integer or a double precision float PTS but can be anything).
Definition: frame.h:485
enum AVPictureType pict_type
Picture type of the frame.
Definition: frame.h:401
AVOption.
Definition: opt.h:248
This structure stores compressed data.
Definition: packet.h:346
int flags
A combination of AV_PKT_FLAG values.
Definition: packet.h:375
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
Definition: packet.h:362
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed.
Definition: packet.h:368
uint8_t * data
Definition: packet.h:369
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:117
int num
Numerator.
Definition: rational.h:59
int den
Denominator.
Definition: rational.h:60
Structure describing a single Region Of Interest.
Definition: frame.h:243
uint32_t self_size
Must be set to the size of this data structure (that is, sizeof(AVRegionOfInterest)).
Definition: frame.h:248
AVRational qoffset
Quantisation offset.
Definition: frame.h:285
int top
Distance in pixels from the top edge of the frame to the top and bottom edges and from the left edge ...
Definition: frame.h:258
Stereo 3D type: this structure describes how two videos are packed within a single video surface,...
Definition: stereo3d.h:176
enum AVStereo3DType type
How views are packed within the video.
Definition: stereo3d.h:180
int flags
Additional information about the frame packing.
Definition: stereo3d.h:185
int weightp
Definition: libx264.c:77
int next_reordered_opaque
Definition: libx264.c:108
char * preset
Definition: libx264.c:62
int weightb
Definition: libx264.c:78
int direct_pred
Definition: libx264.c:92
AVDictionary * x264_params
Definition: libx264.c:106
float crf
Definition: libx264.c:69
char * level
Definition: libx264.c:65
float cplxblur
Definition: libx264.c:90
uint8_t * sei
Definition: libx264.c:60
int ssim
Definition: libx264.c:79
x264_t * enc
Definition: libx264.c:58
x264_param_t params
Definition: libx264.c:57
char * deblock
Definition: libx264.c:89
X264Opaque * reordered_opaque
Definition: libx264.c:109
int aud
Definition: libx264.c:87
int b_pyramid
Definition: libx264.c:83
char * profile
Definition: libx264.c:64
int chroma_offset
Definition: libx264.c:102
int slice_max_size
Definition: libx264.c:93
int coder
Definition: libx264.c:99
x264_picture_t pic
Definition: libx264.c:59
float aq_strength
Definition: libx264.c:73
int intra_refresh
Definition: libx264.c:80
int nb_reordered_opaque
Definition: libx264.c:108
int mixed_refs
Definition: libx264.c:84
int fastfirstpass
Definition: libx264.c:66
int dct8x8
Definition: libx264.c:85
char * tune
Definition: libx264.c:63
char * partitions
Definition: libx264.c:91
char * x264opts
Definition: libx264.c:68
int avcintra_class
Definition: libx264.c:96
char * stats
Definition: libx264.c:94
int sei_size
Definition: libx264.c:61
int psy
Definition: libx264.c:75
int nal_hrd
Definition: libx264.c:95
int rc_lookahead
Definition: libx264.c:76
int bluray_compat
Definition: libx264.c:81
int motion_est
Definition: libx264.c:97
int aq_mode
Definition: libx264.c:72
int forced_idr
Definition: libx264.c:98
char * wpredp
Definition: libx264.c:67
int noise_reduction
Definition: libx264.c:104
int b_frame_strategy
Definition: libx264.c:101
int scenechange_threshold
Definition: libx264.c:103
int mbtree
Definition: libx264.c:88
int b_bias
Definition: libx264.c:82
int roi_warned
If the encoder does not support ROI then warn the first time we encounter a frame with ROI side data.
Definition: libx264.c:115
int cqp
Definition: libx264.c:71
float crf_max
Definition: libx264.c:70
char * psy_rd
Definition: libx264.c:74
int fast_pskip
Definition: libx264.c:86
int a53_cc
Definition: libx264.c:100
int64_t wallclock
Definition: libx264.c:52
int64_t reordered_opaque
Definition: libx264.c:51
uint8_t level
Definition: svq3.c:206
#define av_free(p)
#define av_malloc_array(a, b)
#define av_freep(p)
#define av_malloc(s)
#define av_log(a,...)
static void dct8x8(int16_t *coef, int bit_depth)
Definition: h264dsp.c:165
int level_idc
Definition: h264_levels.c:25
AVPacket * pkt
Definition: movenc.c:59
AVFormatContext * ctx
Definition: movenc.c:48
int64_t av_gettime(void)
Get the current time in microseconds.
Definition: time.c:39
int size
preset
Definition: vf_curves.c:46
if(ret< 0)
Definition: vf_mcdeint.c:282
static void stats(AVPacket *const *in, int n_in, unsigned *_max, unsigned *_sum)