FFmpeg  4.3
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 
34 #if defined(_MSC_VER)
35 #define X264_API_IMPORTS 1
36 #endif
37 
38 #include <x264.h>
39 #include <float.h>
40 #include <math.h>
41 #include <stdio.h>
42 #include <stdlib.h>
43 #include <string.h>
44 
45 // from x264.h, for quant_offsets, Macroblocks are 16x16
46 // blocks of pixels (with respect to the luma plane)
47 #define MB_SIZE 16
48 
49 typedef struct X264Opaque {
51  int64_t wallclock;
52 } X264Opaque;
53 
54 typedef struct X264Context {
55  AVClass *class;
56  x264_param_t params;
57  x264_t *enc;
58  x264_picture_t pic;
60  int sei_size;
61  char *preset;
62  char *tune;
63  char *profile;
64  char *level;
66  char *wpredp;
67  char *x264opts;
68  float crf;
69  float crf_max;
70  int cqp;
71  int aq_mode;
72  float aq_strength;
73  char *psy_rd;
74  int psy;
76  int weightp;
77  int weightb;
78  int ssim;
81  int b_bias;
82  int b_pyramid;
84  int dct8x8;
86  int aud;
87  int mbtree;
88  char *deblock;
89  float cplxblur;
90  char *partitions;
93  char *stats;
94  int nal_hrd;
98  int coder;
99  int a53_cc;
104 
106 
107  int nb_reordered_opaque, next_reordered_opaque;
109 
110  /**
111  * If the encoder does not support ROI then warn the first time we
112  * encounter a frame with ROI side data.
113  */
115 } X264Context;
116 
117 static void X264_log(void *p, int level, const char *fmt, va_list args)
118 {
119  static const int level_map[] = {
120  [X264_LOG_ERROR] = AV_LOG_ERROR,
121  [X264_LOG_WARNING] = AV_LOG_WARNING,
122  [X264_LOG_INFO] = AV_LOG_INFO,
123  [X264_LOG_DEBUG] = AV_LOG_DEBUG
124  };
125 
126  if (level < 0 || level > X264_LOG_DEBUG)
127  return;
128 
129  av_vlog(p, level_map[level], fmt, args);
130 }
131 
132 
134  const x264_nal_t *nals, int nnal)
135 {
136  X264Context *x4 = ctx->priv_data;
137  uint8_t *p;
138  int i, size = x4->sei_size, ret;
139 
140  if (!nnal)
141  return 0;
142 
143  for (i = 0; i < nnal; i++)
144  size += nals[i].i_payload;
145 
146  if ((ret = ff_alloc_packet2(ctx, pkt, size, 0)) < 0)
147  return ret;
148 
149  p = pkt->data;
150 
151  /* Write the SEI as part of the first frame. */
152  if (x4->sei_size > 0 && nnal > 0) {
153  if (x4->sei_size > size) {
154  av_log(ctx, AV_LOG_ERROR, "Error: nal buffer is too small\n");
155  return -1;
156  }
157  memcpy(p, x4->sei, x4->sei_size);
158  p += x4->sei_size;
159  x4->sei_size = 0;
160  av_freep(&x4->sei);
161  }
162 
163  for (i = 0; i < nnal; i++){
164  memcpy(p, nals[i].p_payload, nals[i].i_payload);
165  p += nals[i].i_payload;
166  }
167 
168  return 1;
169 }
170 
171 static int avfmt2_num_planes(int avfmt)
172 {
173  switch (avfmt) {
174  case AV_PIX_FMT_YUV420P:
175  case AV_PIX_FMT_YUVJ420P:
176  case AV_PIX_FMT_YUV420P9:
178  case AV_PIX_FMT_YUV444P:
179  return 3;
180 
181  case AV_PIX_FMT_BGR0:
182  case AV_PIX_FMT_BGR24:
183  case AV_PIX_FMT_RGB24:
184  case AV_PIX_FMT_GRAY8:
185  case AV_PIX_FMT_GRAY10:
186  return 1;
187 
188  default:
189  return 3;
190  }
191 }
192 
194 {
195  X264Context *x4 = ctx->priv_data;
196  AVFrameSideData *side_data;
197 
198 
199  if (x4->avcintra_class < 0) {
200  if (x4->params.b_interlaced && x4->params.b_tff != frame->top_field_first) {
201 
202  x4->params.b_tff = frame->top_field_first;
203  x264_encoder_reconfig(x4->enc, &x4->params);
204  }
205  if (x4->params.vui.i_sar_height*ctx->sample_aspect_ratio.num != ctx->sample_aspect_ratio.den * x4->params.vui.i_sar_width) {
206  x4->params.vui.i_sar_height = ctx->sample_aspect_ratio.den;
207  x4->params.vui.i_sar_width = ctx->sample_aspect_ratio.num;
208  x264_encoder_reconfig(x4->enc, &x4->params);
209  }
210 
211  if (x4->params.rc.i_vbv_buffer_size != ctx->rc_buffer_size / 1000 ||
212  x4->params.rc.i_vbv_max_bitrate != ctx->rc_max_rate / 1000) {
213  x4->params.rc.i_vbv_buffer_size = ctx->rc_buffer_size / 1000;
214  x4->params.rc.i_vbv_max_bitrate = ctx->rc_max_rate / 1000;
215  x264_encoder_reconfig(x4->enc, &x4->params);
216  }
217 
218  if (x4->params.rc.i_rc_method == X264_RC_ABR &&
219  x4->params.rc.i_bitrate != ctx->bit_rate / 1000) {
220  x4->params.rc.i_bitrate = ctx->bit_rate / 1000;
221  x264_encoder_reconfig(x4->enc, &x4->params);
222  }
223 
224  if (x4->crf >= 0 &&
225  x4->params.rc.i_rc_method == X264_RC_CRF &&
226  x4->params.rc.f_rf_constant != x4->crf) {
227  x4->params.rc.f_rf_constant = x4->crf;
228  x264_encoder_reconfig(x4->enc, &x4->params);
229  }
230 
231  if (x4->params.rc.i_rc_method == X264_RC_CQP &&
232  x4->cqp >= 0 &&
233  x4->params.rc.i_qp_constant != x4->cqp) {
234  x4->params.rc.i_qp_constant = x4->cqp;
235  x264_encoder_reconfig(x4->enc, &x4->params);
236  }
237 
238  if (x4->crf_max >= 0 &&
239  x4->params.rc.f_rf_constant_max != x4->crf_max) {
240  x4->params.rc.f_rf_constant_max = x4->crf_max;
241  x264_encoder_reconfig(x4->enc, &x4->params);
242  }
243  }
244 
246  if (side_data) {
247  AVStereo3D *stereo = (AVStereo3D *)side_data->data;
248  int fpa_type;
249 
250  switch (stereo->type) {
252  fpa_type = 0;
253  break;
254  case AV_STEREO3D_COLUMNS:
255  fpa_type = 1;
256  break;
257  case AV_STEREO3D_LINES:
258  fpa_type = 2;
259  break;
261  fpa_type = 3;
262  break;
264  fpa_type = 4;
265  break;
267  fpa_type = 5;
268  break;
269 #if X264_BUILD >= 145
270  case AV_STEREO3D_2D:
271  fpa_type = 6;
272  break;
273 #endif
274  default:
275  fpa_type = -1;
276  break;
277  }
278 
279  /* Inverted mode is not supported by x264 */
280  if (stereo->flags & AV_STEREO3D_FLAG_INVERT) {
281  av_log(ctx, AV_LOG_WARNING,
282  "Ignoring unsupported inverted stereo value %d\n", fpa_type);
283  fpa_type = -1;
284  }
285 
286  if (fpa_type != x4->params.i_frame_packing) {
287  x4->params.i_frame_packing = fpa_type;
288  x264_encoder_reconfig(x4->enc, &x4->params);
289  }
290  }
291 }
292 
294  int *got_packet)
295 {
296  X264Context *x4 = ctx->priv_data;
297  x264_nal_t *nal;
298  int nnal, i, ret;
299  x264_picture_t pic_out = {0};
300  int pict_type;
301  int bit_depth;
302  int64_t wallclock = 0;
303  X264Opaque *out_opaque;
304  AVFrameSideData *sd;
305 
306  x264_picture_init( &x4->pic );
307  x4->pic.img.i_csp = x4->params.i_csp;
308 #if X264_BUILD >= 153
309  bit_depth = x4->params.i_bitdepth;
310 #else
311  bit_depth = x264_bit_depth;
312 #endif
313  if (bit_depth > 8)
314  x4->pic.img.i_csp |= X264_CSP_HIGH_DEPTH;
315  x4->pic.img.i_plane = avfmt2_num_planes(ctx->pix_fmt);
316 
317  if (frame) {
318  for (i = 0; i < x4->pic.img.i_plane; i++) {
319  x4->pic.img.plane[i] = frame->data[i];
320  x4->pic.img.i_stride[i] = frame->linesize[i];
321  }
322 
323  x4->pic.i_pts = frame->pts;
324 
329  x4->pic.opaque = &x4->reordered_opaque[x4->next_reordered_opaque];
330  x4->next_reordered_opaque++;
332 
333  switch (frame->pict_type) {
334  case AV_PICTURE_TYPE_I:
335  x4->pic.i_type = x4->forced_idr > 0 ? X264_TYPE_IDR
336  : X264_TYPE_KEYFRAME;
337  break;
338  case AV_PICTURE_TYPE_P:
339  x4->pic.i_type = X264_TYPE_P;
340  break;
341  case AV_PICTURE_TYPE_B:
342  x4->pic.i_type = X264_TYPE_B;
343  break;
344  default:
345  x4->pic.i_type = X264_TYPE_AUTO;
346  break;
347  }
348  reconfig_encoder(ctx, frame);
349 
350  if (x4->a53_cc) {
351  void *sei_data;
352  size_t sei_size;
353 
354  ret = ff_alloc_a53_sei(frame, 0, &sei_data, &sei_size);
355  if (ret < 0) {
356  av_log(ctx, AV_LOG_ERROR, "Not enough memory for closed captions, skipping\n");
357  } else if (sei_data) {
358  x4->pic.extra_sei.payloads = av_mallocz(sizeof(x4->pic.extra_sei.payloads[0]));
359  if (x4->pic.extra_sei.payloads == NULL) {
360  av_log(ctx, AV_LOG_ERROR, "Not enough memory for closed captions, skipping\n");
361  av_free(sei_data);
362  } else {
363  x4->pic.extra_sei.sei_free = av_free;
364 
365  x4->pic.extra_sei.payloads[0].payload_size = sei_size;
366  x4->pic.extra_sei.payloads[0].payload = sei_data;
367  x4->pic.extra_sei.num_payloads = 1;
368  x4->pic.extra_sei.payloads[0].payload_type = 4;
369  }
370  }
371  }
372 
374  if (sd) {
375  if (x4->params.rc.i_aq_mode == X264_AQ_NONE) {
376  if (!x4->roi_warned) {
377  x4->roi_warned = 1;
378  av_log(ctx, AV_LOG_WARNING, "Adaptive quantization must be enabled to use ROI encoding, skipping ROI.\n");
379  }
380  } else {
381  if (frame->interlaced_frame == 0) {
382  int mbx = (frame->width + MB_SIZE - 1) / MB_SIZE;
383  int mby = (frame->height + MB_SIZE - 1) / MB_SIZE;
384  int qp_range = 51 + 6 * (bit_depth - 8);
385  int nb_rois;
386  const AVRegionOfInterest *roi;
387  uint32_t roi_size;
388  float *qoffsets;
389 
390  roi = (const AVRegionOfInterest*)sd->data;
391  roi_size = roi->self_size;
392  if (!roi_size || sd->size % roi_size != 0) {
393  av_log(ctx, AV_LOG_ERROR, "Invalid AVRegionOfInterest.self_size.\n");
394  return AVERROR(EINVAL);
395  }
396  nb_rois = sd->size / roi_size;
397 
398  qoffsets = av_mallocz_array(mbx * mby, sizeof(*qoffsets));
399  if (!qoffsets)
400  return AVERROR(ENOMEM);
401 
402  // This list must be iterated in reverse because the first
403  // region in the list applies when regions overlap.
404  for (int i = nb_rois - 1; i >= 0; i--) {
405  int startx, endx, starty, endy;
406  float qoffset;
407 
408  roi = (const AVRegionOfInterest*)(sd->data + roi_size * i);
409 
410  starty = FFMIN(mby, roi->top / MB_SIZE);
411  endy = FFMIN(mby, (roi->bottom + MB_SIZE - 1)/ MB_SIZE);
412  startx = FFMIN(mbx, roi->left / MB_SIZE);
413  endx = FFMIN(mbx, (roi->right + MB_SIZE - 1)/ MB_SIZE);
414 
415  if (roi->qoffset.den == 0) {
416  av_free(qoffsets);
417  av_log(ctx, AV_LOG_ERROR, "AVRegionOfInterest.qoffset.den must not be zero.\n");
418  return AVERROR(EINVAL);
419  }
420  qoffset = roi->qoffset.num * 1.0f / roi->qoffset.den;
421  qoffset = av_clipf(qoffset * qp_range, -qp_range, +qp_range);
422 
423  for (int y = starty; y < endy; y++) {
424  for (int x = startx; x < endx; x++) {
425  qoffsets[x + y*mbx] = qoffset;
426  }
427  }
428  }
429 
430  x4->pic.prop.quant_offsets = qoffsets;
431  x4->pic.prop.quant_offsets_free = av_free;
432  } else {
433  if (!x4->roi_warned) {
434  x4->roi_warned = 1;
435  av_log(ctx, AV_LOG_WARNING, "interlaced_frame not supported for ROI encoding yet, skipping ROI.\n");
436  }
437  }
438  }
439  }
440  }
441 
442  do {
443  if (x264_encoder_encode(x4->enc, &nal, &nnal, frame? &x4->pic: NULL, &pic_out) < 0)
444  return AVERROR_EXTERNAL;
445 
446  ret = encode_nals(ctx, pkt, nal, nnal);
447  if (ret < 0)
448  return ret;
449  } while (!ret && !frame && x264_encoder_delayed_frames(x4->enc));
450 
451  if (!ret)
452  return 0;
453 
454  pkt->pts = pic_out.i_pts;
455  pkt->dts = pic_out.i_dts;
456 
457  out_opaque = pic_out.opaque;
458  if (out_opaque >= x4->reordered_opaque &&
459  out_opaque < &x4->reordered_opaque[x4->nb_reordered_opaque]) {
460  ctx->reordered_opaque = out_opaque->reordered_opaque;
461  wallclock = out_opaque->wallclock;
462  } else {
463  // Unexpected opaque pointer on picture output
464  ctx->reordered_opaque = 0;
465  }
466 
467  switch (pic_out.i_type) {
468  case X264_TYPE_IDR:
469  case X264_TYPE_I:
470  pict_type = AV_PICTURE_TYPE_I;
471  break;
472  case X264_TYPE_P:
473  pict_type = AV_PICTURE_TYPE_P;
474  break;
475  case X264_TYPE_B:
476  case X264_TYPE_BREF:
477  pict_type = AV_PICTURE_TYPE_B;
478  break;
479  default:
480  av_log(ctx, AV_LOG_ERROR, "Unknown picture type encountered.\n");
481  return AVERROR_EXTERNAL;
482  }
483 #if FF_API_CODED_FRAME
485  ctx->coded_frame->pict_type = pict_type;
487 #endif
488 
489  pkt->flags |= AV_PKT_FLAG_KEY*pic_out.b_keyframe;
490  if (ret) {
491  ff_side_data_set_encoder_stats(pkt, (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA, NULL, 0, pict_type);
492  if (wallclock)
493  ff_side_data_set_prft(pkt, wallclock);
494 
495 #if FF_API_CODED_FRAME
497  ctx->coded_frame->quality = (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA;
499 #endif
500  }
501 
502  *got_packet = ret;
503  return 0;
504 }
505 
507 {
508  X264Context *x4 = avctx->priv_data;
509 
510  av_freep(&avctx->extradata);
511  av_freep(&x4->sei);
513 
514  if (x4->enc) {
515  x264_encoder_close(x4->enc);
516  x4->enc = NULL;
517  }
518 
519  return 0;
520 }
521 
522 #define OPT_STR(opt, param) \
523  do { \
524  int ret; \
525  if ((ret = x264_param_parse(&x4->params, opt, param)) < 0) { \
526  if(ret == X264_PARAM_BAD_NAME) \
527  av_log(avctx, AV_LOG_ERROR, \
528  "bad option '%s': '%s'\n", opt, param); \
529  else \
530  av_log(avctx, AV_LOG_ERROR, \
531  "bad value for '%s': '%s'\n", opt, param); \
532  return -1; \
533  } \
534  } while (0)
535 
537 {
538  switch (pix_fmt) {
539  case AV_PIX_FMT_YUV420P:
540  case AV_PIX_FMT_YUVJ420P:
541  case AV_PIX_FMT_YUV420P9:
542  case AV_PIX_FMT_YUV420P10: return X264_CSP_I420;
543  case AV_PIX_FMT_YUV422P:
544  case AV_PIX_FMT_YUVJ422P:
545  case AV_PIX_FMT_YUV422P10: return X264_CSP_I422;
546  case AV_PIX_FMT_YUV444P:
547  case AV_PIX_FMT_YUVJ444P:
548  case AV_PIX_FMT_YUV444P9:
549  case AV_PIX_FMT_YUV444P10: return X264_CSP_I444;
550 #if CONFIG_LIBX264RGB_ENCODER
551  case AV_PIX_FMT_BGR0:
552  return X264_CSP_BGRA;
553  case AV_PIX_FMT_BGR24:
554  return X264_CSP_BGR;
555 
556  case AV_PIX_FMT_RGB24:
557  return X264_CSP_RGB;
558 #endif
559  case AV_PIX_FMT_NV12: return X264_CSP_NV12;
560  case AV_PIX_FMT_NV16:
561  case AV_PIX_FMT_NV20: return X264_CSP_NV16;
562 #ifdef X264_CSP_NV21
563  case AV_PIX_FMT_NV21: return X264_CSP_NV21;
564 #endif
565 #ifdef X264_CSP_I400
566  case AV_PIX_FMT_GRAY8:
567  case AV_PIX_FMT_GRAY10: return X264_CSP_I400;
568 #endif
569  };
570  return 0;
571 }
572 
573 #define PARSE_X264_OPT(name, var)\
574  if (x4->var && x264_param_parse(&x4->params, name, x4->var) < 0) {\
575  av_log(avctx, AV_LOG_ERROR, "Error parsing option '%s' with value '%s'.\n", name, x4->var);\
576  return AVERROR(EINVAL);\
577  }
578 
579 static av_cold int X264_init(AVCodecContext *avctx)
580 {
581  X264Context *x4 = avctx->priv_data;
582  AVCPBProperties *cpb_props;
583  int sw,sh;
584 
585  if (avctx->global_quality > 0)
586  av_log(avctx, AV_LOG_WARNING, "-qscale is ignored, -crf is recommended.\n");
587 
588 #if CONFIG_LIBX262_ENCODER
589  if (avctx->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
590  x4->params.b_mpeg2 = 1;
591  x264_param_default_mpeg2(&x4->params);
592  } else
593 #endif
594  x264_param_default(&x4->params);
595 
596  x4->params.b_deblocking_filter = avctx->flags & AV_CODEC_FLAG_LOOP_FILTER;
597 
598  if (x4->preset || x4->tune)
599  if (x264_param_default_preset(&x4->params, x4->preset, x4->tune) < 0) {
600  int i;
601  av_log(avctx, AV_LOG_ERROR, "Error setting preset/tune %s/%s.\n", x4->preset, x4->tune);
602  av_log(avctx, AV_LOG_INFO, "Possible presets:");
603  for (i = 0; x264_preset_names[i]; i++)
604  av_log(avctx, AV_LOG_INFO, " %s", x264_preset_names[i]);
605  av_log(avctx, AV_LOG_INFO, "\n");
606  av_log(avctx, AV_LOG_INFO, "Possible tunes:");
607  for (i = 0; x264_tune_names[i]; i++)
608  av_log(avctx, AV_LOG_INFO, " %s", x264_tune_names[i]);
609  av_log(avctx, AV_LOG_INFO, "\n");
610  return AVERROR(EINVAL);
611  }
612 
613  if (avctx->level > 0)
614  x4->params.i_level_idc = avctx->level;
615 
616  x4->params.pf_log = X264_log;
617  x4->params.p_log_private = avctx;
618  x4->params.i_log_level = X264_LOG_DEBUG;
619  x4->params.i_csp = convert_pix_fmt(avctx->pix_fmt);
620 #if X264_BUILD >= 153
621  x4->params.i_bitdepth = av_pix_fmt_desc_get(avctx->pix_fmt)->comp[0].depth;
622 #endif
623 
624  PARSE_X264_OPT("weightp", wpredp);
625 
626  if (avctx->bit_rate) {
627  if (avctx->bit_rate / 1000 > INT_MAX || avctx->rc_max_rate / 1000 > INT_MAX) {
628  av_log(avctx, AV_LOG_ERROR, "bit_rate and rc_max_rate > %d000 not supported by libx264\n", INT_MAX);
629  return AVERROR(EINVAL);
630  }
631  x4->params.rc.i_bitrate = avctx->bit_rate / 1000;
632  x4->params.rc.i_rc_method = X264_RC_ABR;
633  }
634  x4->params.rc.i_vbv_buffer_size = avctx->rc_buffer_size / 1000;
635  x4->params.rc.i_vbv_max_bitrate = avctx->rc_max_rate / 1000;
636  x4->params.rc.b_stat_write = avctx->flags & AV_CODEC_FLAG_PASS1;
637  if (avctx->flags & AV_CODEC_FLAG_PASS2) {
638  x4->params.rc.b_stat_read = 1;
639  } else {
640  if (x4->crf >= 0) {
641  x4->params.rc.i_rc_method = X264_RC_CRF;
642  x4->params.rc.f_rf_constant = x4->crf;
643  } else if (x4->cqp >= 0) {
644  x4->params.rc.i_rc_method = X264_RC_CQP;
645  x4->params.rc.i_qp_constant = x4->cqp;
646  }
647 
648  if (x4->crf_max >= 0)
649  x4->params.rc.f_rf_constant_max = x4->crf_max;
650  }
651 
652  if (avctx->rc_buffer_size && avctx->rc_initial_buffer_occupancy > 0 &&
653  (avctx->rc_initial_buffer_occupancy <= avctx->rc_buffer_size)) {
654  x4->params.rc.f_vbv_buffer_init =
655  (float)avctx->rc_initial_buffer_occupancy / avctx->rc_buffer_size;
656  }
657 
658  PARSE_X264_OPT("level", level);
659 
660  if (avctx->i_quant_factor > 0)
661  x4->params.rc.f_ip_factor = 1 / fabs(avctx->i_quant_factor);
662  if (avctx->b_quant_factor > 0)
663  x4->params.rc.f_pb_factor = avctx->b_quant_factor;
664 
665 #if FF_API_PRIVATE_OPT
667  if (avctx->chromaoffset >= 0)
668  x4->chroma_offset = avctx->chromaoffset;
670 #endif
671  if (x4->chroma_offset >= 0)
672  x4->params.analyse.i_chroma_qp_offset = x4->chroma_offset;
673 
674  if (avctx->gop_size >= 0)
675  x4->params.i_keyint_max = avctx->gop_size;
676  if (avctx->max_b_frames >= 0)
677  x4->params.i_bframe = avctx->max_b_frames;
678 
679 #if FF_API_PRIVATE_OPT
681  if (avctx->scenechange_threshold >= 0)
684 #endif
685  if (x4->scenechange_threshold >= 0)
686  x4->params.i_scenecut_threshold = x4->scenechange_threshold;
687 
688  if (avctx->qmin >= 0)
689  x4->params.rc.i_qp_min = avctx->qmin;
690  if (avctx->qmax >= 0)
691  x4->params.rc.i_qp_max = avctx->qmax;
692  if (avctx->max_qdiff >= 0)
693  x4->params.rc.i_qp_step = avctx->max_qdiff;
694  if (avctx->qblur >= 0)
695  x4->params.rc.f_qblur = avctx->qblur; /* temporally blur quants */
696  if (avctx->qcompress >= 0)
697  x4->params.rc.f_qcompress = avctx->qcompress; /* 0.0 => cbr, 1.0 => constant qp */
698  if (avctx->refs >= 0)
699  x4->params.i_frame_reference = avctx->refs;
700  else if (x4->params.i_level_idc > 0) {
701  int i;
702  int mbn = AV_CEIL_RSHIFT(avctx->width, 4) * AV_CEIL_RSHIFT(avctx->height, 4);
703  int scale = X264_BUILD < 129 ? 384 : 1;
704 
705  for (i = 0; i<x264_levels[i].level_idc; i++)
706  if (x264_levels[i].level_idc == x4->params.i_level_idc)
707  x4->params.i_frame_reference = av_clip(x264_levels[i].dpb / mbn / scale, 1, x4->params.i_frame_reference);
708  }
709 
710  if (avctx->trellis >= 0)
711  x4->params.analyse.i_trellis = avctx->trellis;
712  if (avctx->me_range >= 0)
713  x4->params.analyse.i_me_range = avctx->me_range;
714 #if FF_API_PRIVATE_OPT
716  if (avctx->noise_reduction >= 0)
717  x4->noise_reduction = avctx->noise_reduction;
719 #endif
720  if (x4->noise_reduction >= 0)
721  x4->params.analyse.i_noise_reduction = x4->noise_reduction;
722  if (avctx->me_subpel_quality >= 0)
723  x4->params.analyse.i_subpel_refine = avctx->me_subpel_quality;
724 #if FF_API_PRIVATE_OPT
726  if (avctx->b_frame_strategy >= 0)
727  x4->b_frame_strategy = avctx->b_frame_strategy;
729 #endif
730  if (avctx->keyint_min >= 0)
731  x4->params.i_keyint_min = avctx->keyint_min;
732 #if FF_API_CODER_TYPE
734  if (avctx->coder_type >= 0)
735  x4->coder = avctx->coder_type == FF_CODER_TYPE_AC;
737 #endif
738  if (avctx->me_cmp >= 0)
739  x4->params.analyse.b_chroma_me = avctx->me_cmp & FF_CMP_CHROMA;
740 
741  if (x4->aq_mode >= 0)
742  x4->params.rc.i_aq_mode = x4->aq_mode;
743  if (x4->aq_strength >= 0)
744  x4->params.rc.f_aq_strength = x4->aq_strength;
745  PARSE_X264_OPT("psy-rd", psy_rd);
746  PARSE_X264_OPT("deblock", deblock);
747  PARSE_X264_OPT("partitions", partitions);
748  PARSE_X264_OPT("stats", stats);
749  if (x4->psy >= 0)
750  x4->params.analyse.b_psy = x4->psy;
751  if (x4->rc_lookahead >= 0)
752  x4->params.rc.i_lookahead = x4->rc_lookahead;
753  if (x4->weightp >= 0)
754  x4->params.analyse.i_weighted_pred = x4->weightp;
755  if (x4->weightb >= 0)
756  x4->params.analyse.b_weighted_bipred = x4->weightb;
757  if (x4->cplxblur >= 0)
758  x4->params.rc.f_complexity_blur = x4->cplxblur;
759 
760  if (x4->ssim >= 0)
761  x4->params.analyse.b_ssim = x4->ssim;
762  if (x4->intra_refresh >= 0)
763  x4->params.b_intra_refresh = x4->intra_refresh;
764  if (x4->bluray_compat >= 0) {
765  x4->params.b_bluray_compat = x4->bluray_compat;
766  x4->params.b_vfr_input = 0;
767  }
768  if (x4->avcintra_class >= 0)
769 #if X264_BUILD >= 142
770  x4->params.i_avcintra_class = x4->avcintra_class;
771 #else
772  av_log(avctx, AV_LOG_ERROR,
773  "x264 too old for AVC Intra, at least version 142 needed\n");
774 #endif
775  if (x4->b_bias != INT_MIN)
776  x4->params.i_bframe_bias = x4->b_bias;
777  if (x4->b_pyramid >= 0)
778  x4->params.i_bframe_pyramid = x4->b_pyramid;
779  if (x4->mixed_refs >= 0)
780  x4->params.analyse.b_mixed_references = x4->mixed_refs;
781  if (x4->dct8x8 >= 0)
782  x4->params.analyse.b_transform_8x8 = x4->dct8x8;
783  if (x4->fast_pskip >= 0)
784  x4->params.analyse.b_fast_pskip = x4->fast_pskip;
785  if (x4->aud >= 0)
786  x4->params.b_aud = x4->aud;
787  if (x4->mbtree >= 0)
788  x4->params.rc.b_mb_tree = x4->mbtree;
789  if (x4->direct_pred >= 0)
790  x4->params.analyse.i_direct_mv_pred = x4->direct_pred;
791 
792  if (x4->slice_max_size >= 0)
793  x4->params.i_slice_max_size = x4->slice_max_size;
794 
795  if (x4->fastfirstpass)
796  x264_param_apply_fastfirstpass(&x4->params);
797 
798  /* Allow specifying the x264 profile through AVCodecContext. */
799  if (!x4->profile)
800  switch (avctx->profile) {
802  x4->profile = av_strdup("baseline");
803  break;
805  x4->profile = av_strdup("high");
806  break;
808  x4->profile = av_strdup("high10");
809  break;
811  x4->profile = av_strdup("high422");
812  break;
814  x4->profile = av_strdup("high444");
815  break;
817  x4->profile = av_strdup("main");
818  break;
819  default:
820  break;
821  }
822 
823  if (x4->nal_hrd >= 0)
824  x4->params.i_nal_hrd = x4->nal_hrd;
825 
826  if (x4->motion_est >= 0)
827  x4->params.analyse.i_me_method = x4->motion_est;
828 
829  if (x4->coder >= 0)
830  x4->params.b_cabac = x4->coder;
831 
832  if (x4->b_frame_strategy >= 0)
833  x4->params.i_bframe_adaptive = x4->b_frame_strategy;
834 
835  if (x4->profile)
836  if (x264_param_apply_profile(&x4->params, x4->profile) < 0) {
837  int i;
838  av_log(avctx, AV_LOG_ERROR, "Error setting profile %s.\n", x4->profile);
839  av_log(avctx, AV_LOG_INFO, "Possible profiles:");
840  for (i = 0; x264_profile_names[i]; i++)
841  av_log(avctx, AV_LOG_INFO, " %s", x264_profile_names[i]);
842  av_log(avctx, AV_LOG_INFO, "\n");
843  return AVERROR(EINVAL);
844  }
845 
846  x4->params.i_width = avctx->width;
847  x4->params.i_height = avctx->height;
848  av_reduce(&sw, &sh, avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den, 4096);
849  x4->params.vui.i_sar_width = sw;
850  x4->params.vui.i_sar_height = sh;
851  x4->params.i_timebase_den = avctx->time_base.den;
852  x4->params.i_timebase_num = avctx->time_base.num;
853  if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
854  x4->params.i_fps_num = avctx->framerate.num;
855  x4->params.i_fps_den = avctx->framerate.den;
856  } else {
857  x4->params.i_fps_num = avctx->time_base.den;
858  x4->params.i_fps_den = avctx->time_base.num * avctx->ticks_per_frame;
859  }
860 
861  x4->params.analyse.b_psnr = avctx->flags & AV_CODEC_FLAG_PSNR;
862 
863  x4->params.i_threads = avctx->thread_count;
864  if (avctx->thread_type)
865  x4->params.b_sliced_threads = avctx->thread_type == FF_THREAD_SLICE;
866 
867  x4->params.b_interlaced = avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT;
868 
869  x4->params.b_open_gop = !(avctx->flags & AV_CODEC_FLAG_CLOSED_GOP);
870 
871  x4->params.i_slice_count = avctx->slices;
872 
873  x4->params.vui.b_fullrange = avctx->pix_fmt == AV_PIX_FMT_YUVJ420P ||
874  avctx->pix_fmt == AV_PIX_FMT_YUVJ422P ||
875  avctx->pix_fmt == AV_PIX_FMT_YUVJ444P ||
876  avctx->color_range == AVCOL_RANGE_JPEG;
877 
878  if (avctx->colorspace != AVCOL_SPC_UNSPECIFIED)
879  x4->params.vui.i_colmatrix = avctx->colorspace;
881  x4->params.vui.i_colorprim = avctx->color_primaries;
882  if (avctx->color_trc != AVCOL_TRC_UNSPECIFIED)
883  x4->params.vui.i_transfer = avctx->color_trc;
884 
885  if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER)
886  x4->params.b_repeat_headers = 0;
887 
888  if(x4->x264opts){
889  const char *p= x4->x264opts;
890  while(p){
891  char param[4096]={0}, val[4096]={0};
892  if(sscanf(p, "%4095[^:=]=%4095[^:]", param, val) == 1){
893  OPT_STR(param, "1");
894  }else
895  OPT_STR(param, val);
896  p= strchr(p, ':');
897  p+=!!p;
898  }
899  }
900 
901 
902  {
903  AVDictionaryEntry *en = NULL;
904  while (en = av_dict_get(x4->x264_params, "", en, AV_DICT_IGNORE_SUFFIX)) {
905  if (x264_param_parse(&x4->params, en->key, en->value) < 0)
906  av_log(avctx, AV_LOG_WARNING,
907  "Error parsing option '%s = %s'.\n",
908  en->key, en->value);
909  }
910  }
911 
912  // update AVCodecContext with x264 parameters
913  avctx->has_b_frames = x4->params.i_bframe ?
914  x4->params.i_bframe_pyramid ? 2 : 1 : 0;
915  if (avctx->max_b_frames < 0)
916  avctx->max_b_frames = 0;
917 
918  avctx->bit_rate = x4->params.rc.i_bitrate*1000LL;
919 
920  x4->enc = x264_encoder_open(&x4->params);
921  if (!x4->enc)
922  return AVERROR_EXTERNAL;
923 
924  if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
925  x264_nal_t *nal;
926  uint8_t *p;
927  int nnal, s, i;
928 
929  s = x264_encoder_headers(x4->enc, &nal, &nnal);
931  if (!p)
932  return AVERROR(ENOMEM);
933 
934  for (i = 0; i < nnal; i++) {
935  /* Don't put the SEI in extradata. */
936  if (nal[i].i_type == NAL_SEI) {
937  av_log(avctx, AV_LOG_INFO, "%s\n", nal[i].p_payload+25);
938  x4->sei_size = nal[i].i_payload;
939  x4->sei = av_malloc(x4->sei_size);
940  if (!x4->sei)
941  return AVERROR(ENOMEM);
942  memcpy(x4->sei, nal[i].p_payload, nal[i].i_payload);
943  continue;
944  }
945  memcpy(p, nal[i].p_payload, nal[i].i_payload);
946  p += nal[i].i_payload;
947  }
948  avctx->extradata_size = p - avctx->extradata;
949  }
950 
951  cpb_props = ff_add_cpb_side_data(avctx);
952  if (!cpb_props)
953  return AVERROR(ENOMEM);
954  cpb_props->buffer_size = x4->params.rc.i_vbv_buffer_size * 1000;
955  cpb_props->max_bitrate = x4->params.rc.i_vbv_max_bitrate * 1000LL;
956  cpb_props->avg_bitrate = x4->params.rc.i_bitrate * 1000LL;
957 
958  // Overestimate the reordered opaque buffer size, in case a runtime
959  // reconfigure would increase the delay (which it shouldn't).
960  x4->nb_reordered_opaque = x264_encoder_maximum_delayed_frames(x4->enc) + 17;
962  sizeof(*x4->reordered_opaque));
963  if (!x4->reordered_opaque)
964  return AVERROR(ENOMEM);
965 
966  return 0;
967 }
968 
969 static const enum AVPixelFormat pix_fmts_8bit[] = {
978 #ifdef X264_CSP_NV21
980 #endif
982 };
983 static const enum AVPixelFormat pix_fmts_9bit[] = {
987 };
988 static const enum AVPixelFormat pix_fmts_10bit[] = {
994 };
995 static const enum AVPixelFormat pix_fmts_all[] = {
1004 #ifdef X264_CSP_NV21
1006 #endif
1011 #ifdef X264_CSP_I400
1014 #endif
1016 };
1017 #if CONFIG_LIBX264RGB_ENCODER
1018 static const enum AVPixelFormat pix_fmts_8bit_rgb[] = {
1023 };
1024 #endif
1025 
1026 static av_cold void X264_init_static(AVCodec *codec)
1027 {
1028 #if X264_BUILD < 153
1029  if (x264_bit_depth == 8)
1030  codec->pix_fmts = pix_fmts_8bit;
1031  else if (x264_bit_depth == 9)
1032  codec->pix_fmts = pix_fmts_9bit;
1033  else if (x264_bit_depth == 10)
1034  codec->pix_fmts = pix_fmts_10bit;
1035 #else
1036  codec->pix_fmts = pix_fmts_all;
1037 #endif
1038 }
1039 
1040 #define OFFSET(x) offsetof(X264Context, x)
1041 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
1042 static const AVOption options[] = {
1043  { "preset", "Set the encoding preset (cf. x264 --fullhelp)", OFFSET(preset), AV_OPT_TYPE_STRING, { .str = "medium" }, 0, 0, VE},
1044  { "tune", "Tune the encoding params (cf. x264 --fullhelp)", OFFSET(tune), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
1045  { "profile", "Set profile restrictions (cf. x264 --fullhelp) ", OFFSET(profile), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
1046  { "fastfirstpass", "Use fast settings when encoding first pass", OFFSET(fastfirstpass), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE},
1047  {"level", "Specify level (as defined by Annex A)", OFFSET(level), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
1048  {"passlogfile", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
1049  {"wpredp", "Weighted prediction for P-frames", OFFSET(wpredp), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
1050  {"a53cc", "Use A53 Closed Captions (if available)", OFFSET(a53_cc), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, VE},
1051  {"x264opts", "x264 options", OFFSET(x264opts), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
1052  { "crf", "Select the quality for constant quality mode", OFFSET(crf), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE },
1053  { "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 },
1054  { "qp", "Constant quantization parameter rate control method",OFFSET(cqp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE },
1055  { "aq-mode", "AQ method", OFFSET(aq_mode), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "aq_mode"},
1056  { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_NONE}, INT_MIN, INT_MAX, VE, "aq_mode" },
1057  { "variance", "Variance AQ (complexity mask)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_VARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },
1058  { "autovariance", "Auto-variance AQ", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_AUTOVARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },
1059 #if X264_BUILD >= 144
1060  { "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" },
1061 #endif
1062  { "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},
1063  { "psy", "Use psychovisual optimizations.", OFFSET(psy), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
1064  { "psy-rd", "Strength of psychovisual optimization, in <psy-rd>:<psy-trellis> format.", OFFSET(psy_rd), AV_OPT_TYPE_STRING, {0 }, 0, 0, VE},
1065  { "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 },
1066  { "weightb", "Weighted prediction for B-frames.", OFFSET(weightb), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
1067  { "weightp", "Weighted prediction analysis method.", OFFSET(weightp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "weightp" },
1068  { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_NONE}, INT_MIN, INT_MAX, VE, "weightp" },
1069  { "simple", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SIMPLE}, INT_MIN, INT_MAX, VE, "weightp" },
1070  { "smart", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SMART}, INT_MIN, INT_MAX, VE, "weightp" },
1071  { "ssim", "Calculate and print SSIM stats.", OFFSET(ssim), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
1072  { "intra-refresh", "Use Periodic Intra Refresh instead of IDR frames.",OFFSET(intra_refresh),AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
1073  { "bluray-compat", "Bluray compatibility workarounds.", OFFSET(bluray_compat) ,AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
1074  { "b-bias", "Influences how often B-frames are used", OFFSET(b_bias), AV_OPT_TYPE_INT, { .i64 = INT_MIN}, INT_MIN, INT_MAX, VE },
1075  { "b-pyramid", "Keep some B-frames as references.", OFFSET(b_pyramid), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "b_pyramid" },
1076  { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NONE}, INT_MIN, INT_MAX, VE, "b_pyramid" },
1077  { "strict", "Strictly hierarchical pyramid", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_STRICT}, INT_MIN, INT_MAX, VE, "b_pyramid" },
1078  { "normal", "Non-strict (not Blu-ray compatible)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NORMAL}, INT_MIN, INT_MAX, VE, "b_pyramid" },
1079  { "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 },
1080  { "8x8dct", "High profile 8x8 transform.", OFFSET(dct8x8), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
1081  { "fast-pskip", NULL, OFFSET(fast_pskip), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
1082  { "aud", "Use access unit delimiters.", OFFSET(aud), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
1083  { "mbtree", "Use macroblock tree ratecontrol.", OFFSET(mbtree), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
1084  { "deblock", "Loop filter parameters, in <alpha:beta> form.", OFFSET(deblock), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
1085  { "cplxblur", "Reduce fluctuations in QP (before curve compression)", OFFSET(cplxblur), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE},
1086  { "partitions", "A comma-separated list of partitions to consider. "
1087  "Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all", OFFSET(partitions), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
1088  { "direct-pred", "Direct MV prediction mode", OFFSET(direct_pred), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "direct-pred" },
1089  { "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_NONE }, 0, 0, VE, "direct-pred" },
1090  { "spatial", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_SPATIAL }, 0, 0, VE, "direct-pred" },
1091  { "temporal", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_TEMPORAL }, 0, 0, VE, "direct-pred" },
1092  { "auto", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_AUTO }, 0, 0, VE, "direct-pred" },
1093  { "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 },
1094  { "stats", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
1095  { "nal-hrd", "Signal HRD information (requires vbv-bufsize; "
1096  "cbr not allowed in .mp4)", OFFSET(nal_hrd), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "nal-hrd" },
1097  { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_NONE}, INT_MIN, INT_MAX, VE, "nal-hrd" },
1098  { "vbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_VBR}, INT_MIN, INT_MAX, VE, "nal-hrd" },
1099  { "cbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_CBR}, INT_MIN, INT_MAX, VE, "nal-hrd" },
1100  { "avcintra-class","AVC-Intra class 50/100/200", OFFSET(avcintra_class),AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 200 , VE},
1101  { "me_method", "Set motion estimation method", OFFSET(motion_est), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, X264_ME_TESA, VE, "motion-est"},
1102  { "motion-est", "Set motion estimation method", OFFSET(motion_est), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, X264_ME_TESA, VE, "motion-est"},
1103  { "dia", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_DIA }, INT_MIN, INT_MAX, VE, "motion-est" },
1104  { "hex", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_HEX }, INT_MIN, INT_MAX, VE, "motion-est" },
1105  { "umh", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_UMH }, INT_MIN, INT_MAX, VE, "motion-est" },
1106  { "esa", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_ESA }, INT_MIN, INT_MAX, VE, "motion-est" },
1107  { "tesa", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_TESA }, INT_MIN, INT_MAX, VE, "motion-est" },
1108  { "forced-idr", "If forcing keyframes, force them as IDR frames.", OFFSET(forced_idr), AV_OPT_TYPE_BOOL, { .i64 = 0 }, -1, 1, VE },
1109  { "coder", "Coder type", OFFSET(coder), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE, "coder" },
1110  { "default", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = -1 }, INT_MIN, INT_MAX, VE, "coder" },
1111  { "cavlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, "coder" },
1112  { "cabac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, VE, "coder" },
1113  { "vlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, "coder" },
1114  { "ac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, VE, "coder" },
1115  { "b_strategy", "Strategy to choose between I/P/B-frames", OFFSET(b_frame_strategy), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 2, VE },
1116  { "chromaoffset", "QP difference between chroma and luma", OFFSET(chroma_offset), AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX, VE },
1117  { "sc_threshold", "Scene change threshold", OFFSET(scenechange_threshold), AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX, VE },
1118  { "noise_reduction", "Noise reduction", OFFSET(noise_reduction), AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX, VE },
1119 
1120  { "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 },
1121  { NULL },
1122 };
1123 
1124 static const AVCodecDefault x264_defaults[] = {
1125  { "b", "0" },
1126  { "bf", "-1" },
1127  { "flags2", "0" },
1128  { "g", "-1" },
1129  { "i_qfactor", "-1" },
1130  { "b_qfactor", "-1" },
1131  { "qmin", "-1" },
1132  { "qmax", "-1" },
1133  { "qdiff", "-1" },
1134  { "qblur", "-1" },
1135  { "qcomp", "-1" },
1136 // { "rc_lookahead", "-1" },
1137  { "refs", "-1" },
1138 #if FF_API_PRIVATE_OPT
1139  { "sc_threshold", "-1" },
1140 #endif
1141  { "trellis", "-1" },
1142 #if FF_API_PRIVATE_OPT
1143  { "nr", "-1" },
1144 #endif
1145  { "me_range", "-1" },
1146  { "subq", "-1" },
1147 #if FF_API_PRIVATE_OPT
1148  { "b_strategy", "-1" },
1149 #endif
1150  { "keyint_min", "-1" },
1151 #if FF_API_CODER_TYPE
1152  { "coder", "-1" },
1153 #endif
1154  { "cmp", "-1" },
1155  { "threads", AV_STRINGIFY(X264_THREADS_AUTO) },
1156  { "thread_type", "0" },
1157  { "flags", "+cgop" },
1158  { "rc_init_occupancy","-1" },
1159  { NULL },
1160 };
1161 
1162 #if CONFIG_LIBX264_ENCODER
1163 static const AVClass x264_class = {
1164  .class_name = "libx264",
1165  .item_name = av_default_item_name,
1166  .option = options,
1167  .version = LIBAVUTIL_VERSION_INT,
1168 };
1169 
1171  .name = "libx264",
1172  .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),
1173  .type = AVMEDIA_TYPE_VIDEO,
1174  .id = AV_CODEC_ID_H264,
1175  .priv_data_size = sizeof(X264Context),
1176  .init = X264_init,
1177  .encode2 = X264_frame,
1178  .close = X264_close,
1179  .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS |
1181  .priv_class = &x264_class,
1182  .defaults = x264_defaults,
1184 #if X264_BUILD >= 158
1186 #else
1187  .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
1188 #endif
1189  .wrapper_name = "libx264",
1190 };
1191 #endif
1192 
1193 #if CONFIG_LIBX264RGB_ENCODER
1194 static const AVClass rgbclass = {
1195  .class_name = "libx264rgb",
1196  .item_name = av_default_item_name,
1197  .option = options,
1198  .version = LIBAVUTIL_VERSION_INT,
1199 };
1200 
1202  .name = "libx264rgb",
1203  .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 RGB"),
1204  .type = AVMEDIA_TYPE_VIDEO,
1205  .id = AV_CODEC_ID_H264,
1206  .priv_data_size = sizeof(X264Context),
1207  .init = X264_init,
1208  .encode2 = X264_frame,
1209  .close = X264_close,
1210  .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS |
1212  .priv_class = &rgbclass,
1213  .defaults = x264_defaults,
1214  .pix_fmts = pix_fmts_8bit_rgb,
1215 #if X264_BUILD >= 158
1217 #else
1218  .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
1219 #endif
1220  .wrapper_name = "libx264",
1221 };
1222 #endif
1223 
1224 #if CONFIG_LIBX262_ENCODER
1225 static const AVClass X262_class = {
1226  .class_name = "libx262",
1227  .item_name = av_default_item_name,
1228  .option = options,
1229  .version = LIBAVUTIL_VERSION_INT,
1230 };
1231 
1233  .name = "libx262",
1234  .long_name = NULL_IF_CONFIG_SMALL("libx262 MPEG2VIDEO"),
1235  .type = AVMEDIA_TYPE_VIDEO,
1236  .id = AV_CODEC_ID_MPEG2VIDEO,
1237  .priv_data_size = sizeof(X264Context),
1238  .init = X264_init,
1239  .encode2 = X264_frame,
1240  .close = X264_close,
1241  .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS |
1243  .priv_class = &X262_class,
1244  .defaults = x264_defaults,
1246  .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
1247  .wrapper_name = "libx264",
1248 };
1249 #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:1900
#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:536
#define NULL
Definition: coverity.c:32
AVRational framerate
Definition: avcodec.h:2069
static enum AVPixelFormat pix_fmt
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:240
static int avfmt2_num_planes(int avfmt)
Definition: libx264.c:171
char * partitions
Definition: libx264.c:90
int size
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2549
This structure describes decoded (raw) audio or video data.
Definition: frame.h:300
if(ret< 0)
Definition: vf_mcdeint.c:279
int dct8x8
Definition: libx264.c:84
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:728
#define AV_CODEC_FLAG_INTERLACED_DCT
Use interlaced DCT.
Definition: avcodec.h:321
#define AV_CODEC_FLAG_LOOP_FILTER
loop filter.
Definition: avcodec.h:304
float qblur
amount of qscale smoothing over time (0.0-1.0)
Definition: avcodec.h:1361
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:576
#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:454
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:786
AVCodec ff_libx262_encoder
int noise_reduction
Definition: libx264.c:103
int rc_initial_buffer_occupancy
Number of bits which should be loaded into the rc buffer before decoding starts.
Definition: avcodec.h:1432
enum AVColorRange color_range
MPEG vs JPEG YUV range.
Definition: avcodec.h:1161
int num
Numerator.
Definition: rational.h:59
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:235
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:905
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:736
int next_reordered_opaque
Definition: libx264.c:107
int bluray_compat
Definition: libx264.c:80
char * wpredp
Definition: libx264.c:66
static void X264_log(void *p, int level, const char *fmt, va_list args)
Definition: libx264.c:117
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: codec.h:118
int profile
profile
Definition: avcodec.h:1859
AVCodec.
Definition: codec.h:190
static av_cold int X264_init(AVCodecContext *avctx)
Definition: libx264.c:579
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:114
AVRational qoffset
Quantisation offset.
Definition: frame.h:267
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
Definition: avcodec.h:649
#define AV_PIX_FMT_GRAY10
Definition: pixfmt.h:378
AVFrameSideData * av_frame_get_side_data(const AVFrame *frame, enum AVFrameSideDataType type)
Definition: frame.c:739
x264_param_t params
Definition: libx264.c:56
char * x264opts
Definition: libx264.c:67
#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:164
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: codec.h:75
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:1898
#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
int export_side_data
Bit set of AV_CODEC_EXPORT_DATA_* flags, which affects the kind of metadata exported in frame...
Definition: avcodec.h:2354
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:117
uint8_t
#define av_cold
Definition: attributes.h:88
#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:997
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:795
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:393
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
Definition: avcodec.h:627
int me_cmp
motion estimation comparison function
Definition: avcodec.h:912
int nb_reordered_opaque
Definition: libx264.c:107
int level_idc
Definition: h264_levels.c:25
static AVFrame * frame
Structure to hold side data for an AVFrame.
Definition: frame.h:206
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: packet.h:355
int b_pyramid
Definition: libx264.c:82
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:58
int interlaced_frame
The content of the picture is interlaced.
Definition: frame.h:447
float cplxblur
Definition: libx264.c:89
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:481
#define FF_CMP_CHROMA
Definition: avcodec.h:947
char * stats
Definition: libx264.c:93
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
uint32_t self_size
Must be set to the size of this data structure (that is, sizeof(AVRegionOfInterest)).
Definition: frame.h:230
static enum AVPixelFormat pix_fmts_all[]
Definition: libx264.c:995
int intra_refresh
Definition: libx264.c:79
#define AV_PIX_FMT_NV20
Definition: pixfmt.h:444
#define av_log(a,...)
int rc_lookahead
Definition: libx264.c:75
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
Definition: packet.h:388
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:269
static enum AVPixelFormat pix_fmts_10bit[]
Definition: libx264.c:988
int width
Definition: frame.h:358
#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:816
int flags
Additional information about the frame packing.
Definition: stereo3d.h:185
static void dct8x8(int16_t *coef, int bit_depth)
Definition: h264dsp.c:164
#define AVERROR(e)
Definition: error.h:43
int qmax
maximum quantizer
Definition: avcodec.h:1375
char * profile
Definition: libx264.c:63
#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:98
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
Definition: log.h:197
int fastfirstpass
Definition: libx264.c:65
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
#define FF_PROFILE_H264_HIGH_422
Definition: avcodec.h:1906
#define FF_PROFILE_H264_HIGH
Definition: avcodec.h:1902
int flags
AV_CODEC_FLAG_*.
Definition: avcodec.h:606
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
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
Definition: mem.c:239
int mbtree
Definition: libx264.c:87
const char * name
Name of the codec implementation.
Definition: codec.h:197
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:831
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:400
static const AVCodecDefault defaults[]
Definition: amfenc_h264.c:361
char * deblock
Definition: libx264.c:88
int b_frame_strategy
Definition: libx264.c:100
int flags
A combination of AV_PKT_FLAG values.
Definition: packet.h:361
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:1389
Views are alternated temporally.
Definition: stereo3d.h:92
common internal API header
char * psy_rd
Definition: libx264.c:73
as above, but U and V bytes are swapped
Definition: pixfmt.h:90
int refs
number of reference frames
Definition: avcodec.h:1114
int64_t reordered_opaque
Definition: libx264.c:50
X264Opaque * reordered_opaque
Definition: libx264.c:108
int motion_est
Definition: libx264.c:96
static enum AVPixelFormat pix_fmts_9bit[]
Definition: libx264.c:983
#define PARSE_X264_OPT(name, var)
Definition: libx264.c:573
enum AVPixelFormat * pix_fmts
array of supported pixel formats, or NULL if unknown, array is terminated by -1
Definition: codec.h:211
enum AVPictureType pict_type
Picture type of the frame.
Definition: frame.h:383
#define OPT_STR(opt, param)
Definition: libx264.c:522
#define FFMIN(a, b)
Definition: common.h:96
AVDictionary * x264_params
Definition: libx264.c:105
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:699
int cqp
Definition: libx264.c:70
static void bit_depth(AudioStatsContext *s, uint64_t mask, uint64_t imask, AVRational *depth)
Definition: af_astats.c:254
static av_cold void init_static_data(void)
Definition: mv30.c:660
attribute_deprecated int noise_reduction
Definition: avcodec.h:1044
x264_t * enc
Definition: libx264.c:57
AVFormatContext * ctx
Definition: movenc.c:48
#define AV_CODEC_FLAG_PSNR
error[?] variables will be set during encoding.
Definition: avcodec.h:312
#define AV_CODEC_FLAG_PASS1
Use internal 2pass ratecontrol in first pass mode.
Definition: avcodec.h:296
enum AVColorPrimaries color_primaries
Chromaticity coordinates of the source primaries.
Definition: avcodec.h:1140
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:1797
int level
level
Definition: avcodec.h:1982
int quality
quality (between 1 (good) and FF_LAMBDA_MAX (bad))
Definition: frame.h:423
Structure describing a single Region Of Interest.
Definition: frame.h:225
int scenechange_threshold
Definition: libx264.c:102
int64_t reordered_opaque
opaque 64-bit number (generally a PTS) that will be reordered and output in AVFrame.reordered_opaque
Definition: avcodec.h:1683
int slice_max_size
Definition: libx264.c:92
int ticks_per_frame
For some codecs, the time base is closer to the field rate than the frame rate.
Definition: avcodec.h:658
packed RGB 8:8:8, 24bpp, BGRBGR...
Definition: pixfmt.h:69
int nal_hrd
Definition: libx264.c:94
int max_qdiff
maximum quantizer difference between frames
Definition: avcodec.h:1382
int weightp
Definition: libx264.c:76
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:396
attribute_deprecated int coder_type
Definition: avcodec.h:1443
preferred ID for MPEG-1/2 video decoding
Definition: codec_id.h:51
int thread_count
thread count is used to decide how many independent tasks should be passed to execute() ...
Definition: avcodec.h:1785
the normal 2^n-1 "JPEG" YUV ranges
Definition: pixfmt.h:535
static enum AVPixelFormat pix_fmts_8bit[]
Definition: libx264.c:969
int64_t av_gettime(void)
Get the current time in microseconds.
Definition: time.c:39
static const AVCodecDefault x264_defaults[]
Definition: libx264.c:1124
This structure describes the bitrate properties of an encoded bitstream.
Definition: avcodec.h:448
int avcintra_class
Definition: libx264.c:95
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:64
char * av_strdup(const char *s)
Duplicate a string.
Definition: mem.c:255
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:506
attribute_deprecated int scenechange_threshold
Definition: avcodec.h:1040
enum AVCodecID codec_id
Definition: avcodec.h:536
int forced_idr
Definition: libx264.c:97
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:331
attribute_deprecated int b_frame_strategy
Definition: avcodec.h:800
main external API structure.
Definition: avcodec.h:526
static const AVOption options[]
Definition: libx264.c:1042
int qmin
minimum quantizer
Definition: avcodec.h:1368
uint8_t * data
Definition: frame.h:208
#define FF_CODER_TYPE_AC
Definition: avcodec.h:1436
int extradata_size
Definition: avcodec.h:628
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:397
float crf
Definition: libx264.c:68
static int FUNC() aud(CodedBitstreamContext *ctx, RWContext *rw, H264RawAUD *current)
int aq_mode
Definition: libx264.c:71
int aud
Definition: libx264.c:86
#define AV_STRINGIFY(s)
Definition: macros.h:36
int64_t reordered_opaque
reordered opaque 64 bits (generally an integer or a double precision float PTS but can be anything)...
Definition: frame.h:467
Describe the class of an AVClass context structure.
Definition: log.h:67
int a53_cc
Definition: libx264.c:99
enum AVColorSpace colorspace
YUV colorspace type.
Definition: avcodec.h:1154
enum AVColorTransferCharacteristic color_trc
Color Transfer Characteristic.
Definition: avcodec.h:1147
Regions Of Interest, the data is an array of AVRegionOfInterest type, the number of array element is ...
Definition: frame.h:181
uint8_t * sei
Definition: libx264.c:59
int psy
Definition: libx264.c:74
static int encode_nals(AVCodecContext *ctx, AVPacket *pkt, const x264_nal_t *nals, int nnal)
Definition: libx264.c:133
packed BGR 8:8:8, 32bpp, BGRXBGRX... X=unused/undefined
Definition: pixfmt.h:240
#define FF_PROFILE_H264_HIGH_444
Definition: avcodec.h:1909
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:394
attribute_deprecated int chromaoffset
Definition: avcodec.h:1119
#define AV_CODEC_EXPORT_DATA_PRFT
Export encoder Producer Reference Time through packet side data.
Definition: avcodec.h:407
float qcompress
amount of qscale change between easy & hard scenes (0.0-1.0)
Definition: avcodec.h:1360
int sei_size
Definition: libx264.c:60
static void reconfig_encoder(AVCodecContext *ctx, const AVFrame *frame)
Definition: libx264.c:193
char * preset
Definition: libx264.c:61
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:275
mfxU16 profile
Definition: qsvenc.c:45
int global_quality
Global quality for codecs which cannot change it per frame.
Definition: avcodec.h:592
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:398
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:314
uint8_t level
Definition: svq3.c:209
int b_bias
Definition: libx264.c:81
#define AV_CODEC_FLAG_GLOBAL_HEADER
Place global headers in extradata instead of every keyframe.
Definition: avcodec.h:329
int fast_pskip
Definition: libx264.c:85
int gop_size
the number of pictures in a group of pictures, or 0 for intra_only
Definition: avcodec.h:721
int chroma_offset
Definition: libx264.c:101
static av_cold void X264_init_static(AVCodec *codec)
Definition: libx264.c:1026
int mixed_refs
Definition: libx264.c:83
preset
Definition: vf_curves.c:46
char * tune
Definition: libx264.c:62
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:1041
int weightb
Definition: libx264.c:77
float aq_strength
Definition: libx264.c:72
common internal api header.
int64_t wallclock
Definition: libx264.c:51
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:1776
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:1475
AVCPBProperties * ff_add_cpb_side_data(AVCodecContext *avctx)
Add a CPB properties side data to an encoding context.
Definition: utils.c:1992
#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_CODEC_FLAG_PASS2
Use internal 2pass ratecontrol in second pass mode.
Definition: avcodec.h:300
int slices
Number of slices.
Definition: avcodec.h:1177
void * priv_data
Definition: avcodec.h:553
#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:452
int ff_side_data_set_prft(AVPacket *pkt, int64_t timestamp)
Definition: avpacket.c:753
int avg_bitrate
Average bitrate of the stream, in bits per second.
Definition: avcodec.h:472
#define MB_SIZE
Definition: libx264.c:47
AVCodec ff_libx264rgb_encoder
int ssim
Definition: libx264.c:78
#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: packet.h:354
float crf_max
Definition: libx264.c:69
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:2196
int height
Definition: frame.h:358
#define OFFSET(x)
Definition: libx264.c:1040
int direct_pred
Definition: libx264.c:91
#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:293
#define av_malloc_array(a, b)
#define AV_CODEC_FLAG_CLOSED_GOP
Definition: avcodec.h:343
int depth
Number of bits in the component.
Definition: pixdesc.h:58
#define FF_PROFILE_H264_HIGH_10
Definition: avcodec.h:1903
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
static double val(void *priv, double ch)
Definition: aeval.c:76
This structure stores compressed data.
Definition: packet.h:332
int me_subpel_quality
subpel ME quality
Definition: avcodec.h:988
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
Definition: packet.h:348
Predicted.
Definition: avutil.h:275
int thread_type
Which multithreading methods to use.
Definition: avcodec.h:1795
int64_t rc_max_rate
maximum bitrate
Definition: avcodec.h:1404
simple arithmetic expression evaluator
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:58
void * av_mallocz_array(size_t nmemb, size_t size)
Allocate a memory block for an array with av_mallocz().
Definition: mem.c:192
int keyint_min
minimum GOP size
Definition: avcodec.h:1107