FFmpeg  4.2.2
libx264.c
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1 /*
2  * H.264 encoding using the x264 library
3  * Copyright (C) 2005 Mans Rullgard <mans@mansr.com>
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 #include "libavutil/eval.h"
23 #include "libavutil/internal.h"
24 #include "libavutil/opt.h"
25 #include "libavutil/mem.h"
26 #include "libavutil/pixdesc.h"
27 #include "libavutil/stereo3d.h"
28 #include "libavutil/intreadwrite.h"
29 #include "avcodec.h"
30 #include "internal.h"
31 
32 #if defined(_MSC_VER)
33 #define X264_API_IMPORTS 1
34 #endif
35 
36 #include <x264.h>
37 #include <float.h>
38 #include <math.h>
39 #include <stdio.h>
40 #include <stdlib.h>
41 #include <string.h>
42 
43 // from x264.h, for quant_offsets, Macroblocks are 16x16
44 // blocks of pixels (with respect to the luma plane)
45 #define MB_SIZE 16
46 
47 typedef struct X264Context {
48  AVClass *class;
49  x264_param_t params;
50  x264_t *enc;
51  x264_picture_t pic;
53  int sei_size;
54  char *preset;
55  char *tune;
56  char *profile;
57  char *level;
59  char *wpredp;
60  char *x264opts;
61  float crf;
62  float crf_max;
63  int cqp;
64  int aq_mode;
65  float aq_strength;
66  char *psy_rd;
67  int psy;
69  int weightp;
70  int weightb;
71  int ssim;
74  int b_bias;
75  int b_pyramid;
77  int dct8x8;
79  int aud;
80  int mbtree;
81  char *deblock;
82  float cplxblur;
83  char *partitions;
86  char *stats;
87  int nal_hrd;
91  int coder;
92  int a53_cc;
97 
98  char *x264_params;
99 
102 } X264Context;
103 
104 static void X264_log(void *p, int level, const char *fmt, va_list args)
105 {
106  static const int level_map[] = {
107  [X264_LOG_ERROR] = AV_LOG_ERROR,
108  [X264_LOG_WARNING] = AV_LOG_WARNING,
109  [X264_LOG_INFO] = AV_LOG_INFO,
110  [X264_LOG_DEBUG] = AV_LOG_DEBUG
111  };
112 
113  if (level < 0 || level > X264_LOG_DEBUG)
114  return;
115 
116  av_vlog(p, level_map[level], fmt, args);
117 }
118 
119 
121  const x264_nal_t *nals, int nnal)
122 {
123  X264Context *x4 = ctx->priv_data;
124  uint8_t *p;
125  int i, size = x4->sei_size, ret;
126 
127  if (!nnal)
128  return 0;
129 
130  for (i = 0; i < nnal; i++)
131  size += nals[i].i_payload;
132 
133  if ((ret = ff_alloc_packet2(ctx, pkt, size, 0)) < 0)
134  return ret;
135 
136  p = pkt->data;
137 
138  /* Write the SEI as part of the first frame. */
139  if (x4->sei_size > 0 && nnal > 0) {
140  if (x4->sei_size > size) {
141  av_log(ctx, AV_LOG_ERROR, "Error: nal buffer is too small\n");
142  return -1;
143  }
144  memcpy(p, x4->sei, x4->sei_size);
145  p += x4->sei_size;
146  x4->sei_size = 0;
147  av_freep(&x4->sei);
148  }
149 
150  for (i = 0; i < nnal; i++){
151  memcpy(p, nals[i].p_payload, nals[i].i_payload);
152  p += nals[i].i_payload;
153  }
154 
155  return 1;
156 }
157 
158 static int avfmt2_num_planes(int avfmt)
159 {
160  switch (avfmt) {
161  case AV_PIX_FMT_YUV420P:
162  case AV_PIX_FMT_YUVJ420P:
163  case AV_PIX_FMT_YUV420P9:
165  case AV_PIX_FMT_YUV444P:
166  return 3;
167 
168  case AV_PIX_FMT_BGR0:
169  case AV_PIX_FMT_BGR24:
170  case AV_PIX_FMT_RGB24:
171  case AV_PIX_FMT_GRAY8:
172  case AV_PIX_FMT_GRAY10:
173  return 1;
174 
175  default:
176  return 3;
177  }
178 }
179 
181 {
182  X264Context *x4 = ctx->priv_data;
183  AVFrameSideData *side_data;
184 
185 
186  if (x4->avcintra_class < 0) {
187  if (x4->params.b_interlaced && x4->params.b_tff != frame->top_field_first) {
188 
189  x4->params.b_tff = frame->top_field_first;
190  x264_encoder_reconfig(x4->enc, &x4->params);
191  }
192  if (x4->params.vui.i_sar_height*ctx->sample_aspect_ratio.num != ctx->sample_aspect_ratio.den * x4->params.vui.i_sar_width) {
193  x4->params.vui.i_sar_height = ctx->sample_aspect_ratio.den;
194  x4->params.vui.i_sar_width = ctx->sample_aspect_ratio.num;
195  x264_encoder_reconfig(x4->enc, &x4->params);
196  }
197 
198  if (x4->params.rc.i_vbv_buffer_size != ctx->rc_buffer_size / 1000 ||
199  x4->params.rc.i_vbv_max_bitrate != ctx->rc_max_rate / 1000) {
200  x4->params.rc.i_vbv_buffer_size = ctx->rc_buffer_size / 1000;
201  x4->params.rc.i_vbv_max_bitrate = ctx->rc_max_rate / 1000;
202  x264_encoder_reconfig(x4->enc, &x4->params);
203  }
204 
205  if (x4->params.rc.i_rc_method == X264_RC_ABR &&
206  x4->params.rc.i_bitrate != ctx->bit_rate / 1000) {
207  x4->params.rc.i_bitrate = ctx->bit_rate / 1000;
208  x264_encoder_reconfig(x4->enc, &x4->params);
209  }
210 
211  if (x4->crf >= 0 &&
212  x4->params.rc.i_rc_method == X264_RC_CRF &&
213  x4->params.rc.f_rf_constant != x4->crf) {
214  x4->params.rc.f_rf_constant = x4->crf;
215  x264_encoder_reconfig(x4->enc, &x4->params);
216  }
217 
218  if (x4->params.rc.i_rc_method == X264_RC_CQP &&
219  x4->cqp >= 0 &&
220  x4->params.rc.i_qp_constant != x4->cqp) {
221  x4->params.rc.i_qp_constant = x4->cqp;
222  x264_encoder_reconfig(x4->enc, &x4->params);
223  }
224 
225  if (x4->crf_max >= 0 &&
226  x4->params.rc.f_rf_constant_max != x4->crf_max) {
227  x4->params.rc.f_rf_constant_max = x4->crf_max;
228  x264_encoder_reconfig(x4->enc, &x4->params);
229  }
230  }
231 
233  if (side_data) {
234  AVStereo3D *stereo = (AVStereo3D *)side_data->data;
235  int fpa_type;
236 
237  switch (stereo->type) {
239  fpa_type = 0;
240  break;
241  case AV_STEREO3D_COLUMNS:
242  fpa_type = 1;
243  break;
244  case AV_STEREO3D_LINES:
245  fpa_type = 2;
246  break;
248  fpa_type = 3;
249  break;
251  fpa_type = 4;
252  break;
254  fpa_type = 5;
255  break;
256 #if X264_BUILD >= 145
257  case AV_STEREO3D_2D:
258  fpa_type = 6;
259  break;
260 #endif
261  default:
262  fpa_type = -1;
263  break;
264  }
265 
266  /* Inverted mode is not supported by x264 */
267  if (stereo->flags & AV_STEREO3D_FLAG_INVERT) {
268  av_log(ctx, AV_LOG_WARNING,
269  "Ignoring unsupported inverted stereo value %d\n", fpa_type);
270  fpa_type = -1;
271  }
272 
273  if (fpa_type != x4->params.i_frame_packing) {
274  x4->params.i_frame_packing = fpa_type;
275  x264_encoder_reconfig(x4->enc, &x4->params);
276  }
277  }
278 }
279 
281  int *got_packet)
282 {
283  X264Context *x4 = ctx->priv_data;
284  x264_nal_t *nal;
285  int nnal, i, ret;
286  x264_picture_t pic_out = {0};
287  int pict_type;
288  int bit_depth;
289  int64_t *out_opaque;
290  AVFrameSideData *sd;
291 
292  x264_picture_init( &x4->pic );
293  x4->pic.img.i_csp = x4->params.i_csp;
294 #if X264_BUILD >= 153
295  bit_depth = x4->params.i_bitdepth;
296 #else
297  bit_depth = x264_bit_depth;
298 #endif
299  if (bit_depth > 8)
300  x4->pic.img.i_csp |= X264_CSP_HIGH_DEPTH;
301  x4->pic.img.i_plane = avfmt2_num_planes(ctx->pix_fmt);
302 
303  if (frame) {
304  for (i = 0; i < x4->pic.img.i_plane; i++) {
305  x4->pic.img.plane[i] = frame->data[i];
306  x4->pic.img.i_stride[i] = frame->linesize[i];
307  }
308 
309  x4->pic.i_pts = frame->pts;
310 
312  x4->pic.opaque = &x4->reordered_opaque[x4->next_reordered_opaque];
313  x4->next_reordered_opaque++;
315 
316  switch (frame->pict_type) {
317  case AV_PICTURE_TYPE_I:
318  x4->pic.i_type = x4->forced_idr > 0 ? X264_TYPE_IDR
319  : X264_TYPE_KEYFRAME;
320  break;
321  case AV_PICTURE_TYPE_P:
322  x4->pic.i_type = X264_TYPE_P;
323  break;
324  case AV_PICTURE_TYPE_B:
325  x4->pic.i_type = X264_TYPE_B;
326  break;
327  default:
328  x4->pic.i_type = X264_TYPE_AUTO;
329  break;
330  }
331  reconfig_encoder(ctx, frame);
332 
333  if (x4->a53_cc) {
334  void *sei_data;
335  size_t sei_size;
336 
337  ret = ff_alloc_a53_sei(frame, 0, &sei_data, &sei_size);
338  if (ret < 0) {
339  av_log(ctx, AV_LOG_ERROR, "Not enough memory for closed captions, skipping\n");
340  } else if (sei_data) {
341  x4->pic.extra_sei.payloads = av_mallocz(sizeof(x4->pic.extra_sei.payloads[0]));
342  if (x4->pic.extra_sei.payloads == NULL) {
343  av_log(ctx, AV_LOG_ERROR, "Not enough memory for closed captions, skipping\n");
344  av_free(sei_data);
345  } else {
346  x4->pic.extra_sei.sei_free = av_free;
347 
348  x4->pic.extra_sei.payloads[0].payload_size = sei_size;
349  x4->pic.extra_sei.payloads[0].payload = sei_data;
350  x4->pic.extra_sei.num_payloads = 1;
351  x4->pic.extra_sei.payloads[0].payload_type = 4;
352  }
353  }
354  }
355 
357  if (sd) {
358  if (x4->params.rc.i_aq_mode == X264_AQ_NONE) {
359  av_log(ctx, AV_LOG_WARNING, "Adaptive quantization must be enabled to use ROI encoding, skipping ROI.\n");
360  } else {
361  if (frame->interlaced_frame == 0) {
362  int mbx = (frame->width + MB_SIZE - 1) / MB_SIZE;
363  int mby = (frame->height + MB_SIZE - 1) / MB_SIZE;
364  int qp_range = 51 + 6 * (bit_depth - 8);
365  int nb_rois;
366  const AVRegionOfInterest *roi;
367  uint32_t roi_size;
368  float *qoffsets;
369 
370  roi = (const AVRegionOfInterest*)sd->data;
371  roi_size = roi->self_size;
372  if (!roi_size || sd->size % roi_size != 0) {
373  av_log(ctx, AV_LOG_ERROR, "Invalid AVRegionOfInterest.self_size.\n");
374  return AVERROR(EINVAL);
375  }
376  nb_rois = sd->size / roi_size;
377 
378  qoffsets = av_mallocz_array(mbx * mby, sizeof(*qoffsets));
379  if (!qoffsets)
380  return AVERROR(ENOMEM);
381 
382  // This list must be iterated in reverse because the first
383  // region in the list applies when regions overlap.
384  for (int i = nb_rois - 1; i >= 0; i--) {
385  int startx, endx, starty, endy;
386  float qoffset;
387 
388  roi = (const AVRegionOfInterest*)(sd->data + roi_size * i);
389 
390  starty = FFMIN(mby, roi->top / MB_SIZE);
391  endy = FFMIN(mby, (roi->bottom + MB_SIZE - 1)/ MB_SIZE);
392  startx = FFMIN(mbx, roi->left / MB_SIZE);
393  endx = FFMIN(mbx, (roi->right + MB_SIZE - 1)/ MB_SIZE);
394 
395  if (roi->qoffset.den == 0) {
396  av_free(qoffsets);
397  av_log(ctx, AV_LOG_ERROR, "AVRegionOfInterest.qoffset.den must not be zero.\n");
398  return AVERROR(EINVAL);
399  }
400  qoffset = roi->qoffset.num * 1.0f / roi->qoffset.den;
401  qoffset = av_clipf(qoffset * qp_range, -qp_range, +qp_range);
402 
403  for (int y = starty; y < endy; y++) {
404  for (int x = startx; x < endx; x++) {
405  qoffsets[x + y*mbx] = qoffset;
406  }
407  }
408  }
409 
410  x4->pic.prop.quant_offsets = qoffsets;
411  x4->pic.prop.quant_offsets_free = av_free;
412  } else {
413  av_log(ctx, AV_LOG_WARNING, "interlaced_frame not supported for ROI encoding yet, skipping ROI.\n");
414  }
415  }
416  }
417  }
418 
419  do {
420  if (x264_encoder_encode(x4->enc, &nal, &nnal, frame? &x4->pic: NULL, &pic_out) < 0)
421  return AVERROR_EXTERNAL;
422 
423  ret = encode_nals(ctx, pkt, nal, nnal);
424  if (ret < 0)
425  return ret;
426  } while (!ret && !frame && x264_encoder_delayed_frames(x4->enc));
427 
428  pkt->pts = pic_out.i_pts;
429  pkt->dts = pic_out.i_dts;
430 
431  out_opaque = pic_out.opaque;
432  if (out_opaque >= x4->reordered_opaque &&
433  out_opaque < &x4->reordered_opaque[x4->nb_reordered_opaque]) {
434  ctx->reordered_opaque = *out_opaque;
435  } else {
436  // Unexpected opaque pointer on picture output
437  ctx->reordered_opaque = 0;
438  }
439 
440  switch (pic_out.i_type) {
441  case X264_TYPE_IDR:
442  case X264_TYPE_I:
443  pict_type = AV_PICTURE_TYPE_I;
444  break;
445  case X264_TYPE_P:
446  pict_type = AV_PICTURE_TYPE_P;
447  break;
448  case X264_TYPE_B:
449  case X264_TYPE_BREF:
450  pict_type = AV_PICTURE_TYPE_B;
451  break;
452  default:
453  pict_type = AV_PICTURE_TYPE_NONE;
454  }
455 #if FF_API_CODED_FRAME
457  ctx->coded_frame->pict_type = pict_type;
459 #endif
460 
461  pkt->flags |= AV_PKT_FLAG_KEY*pic_out.b_keyframe;
462  if (ret) {
463  ff_side_data_set_encoder_stats(pkt, (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA, NULL, 0, pict_type);
464 
465 #if FF_API_CODED_FRAME
467  ctx->coded_frame->quality = (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA;
469 #endif
470  }
471 
472  *got_packet = ret;
473  return 0;
474 }
475 
477 {
478  X264Context *x4 = avctx->priv_data;
479 
480  av_freep(&avctx->extradata);
481  av_freep(&x4->sei);
483 
484  if (x4->enc) {
485  x264_encoder_close(x4->enc);
486  x4->enc = NULL;
487  }
488 
489  return 0;
490 }
491 
492 #define OPT_STR(opt, param) \
493  do { \
494  int ret; \
495  if ((ret = x264_param_parse(&x4->params, opt, param)) < 0) { \
496  if(ret == X264_PARAM_BAD_NAME) \
497  av_log(avctx, AV_LOG_ERROR, \
498  "bad option '%s': '%s'\n", opt, param); \
499  else \
500  av_log(avctx, AV_LOG_ERROR, \
501  "bad value for '%s': '%s'\n", opt, param); \
502  return -1; \
503  } \
504  } while (0)
505 
507 {
508  switch (pix_fmt) {
509  case AV_PIX_FMT_YUV420P:
510  case AV_PIX_FMT_YUVJ420P:
511  case AV_PIX_FMT_YUV420P9:
512  case AV_PIX_FMT_YUV420P10: return X264_CSP_I420;
513  case AV_PIX_FMT_YUV422P:
514  case AV_PIX_FMT_YUVJ422P:
515  case AV_PIX_FMT_YUV422P10: return X264_CSP_I422;
516  case AV_PIX_FMT_YUV444P:
517  case AV_PIX_FMT_YUVJ444P:
518  case AV_PIX_FMT_YUV444P9:
519  case AV_PIX_FMT_YUV444P10: return X264_CSP_I444;
520 #if CONFIG_LIBX264RGB_ENCODER
521  case AV_PIX_FMT_BGR0:
522  return X264_CSP_BGRA;
523  case AV_PIX_FMT_BGR24:
524  return X264_CSP_BGR;
525 
526  case AV_PIX_FMT_RGB24:
527  return X264_CSP_RGB;
528 #endif
529  case AV_PIX_FMT_NV12: return X264_CSP_NV12;
530  case AV_PIX_FMT_NV16:
531  case AV_PIX_FMT_NV20: return X264_CSP_NV16;
532 #ifdef X264_CSP_NV21
533  case AV_PIX_FMT_NV21: return X264_CSP_NV21;
534 #endif
535 #ifdef X264_CSP_I400
536  case AV_PIX_FMT_GRAY8:
537  case AV_PIX_FMT_GRAY10: return X264_CSP_I400;
538 #endif
539  };
540  return 0;
541 }
542 
543 #define PARSE_X264_OPT(name, var)\
544  if (x4->var && x264_param_parse(&x4->params, name, x4->var) < 0) {\
545  av_log(avctx, AV_LOG_ERROR, "Error parsing option '%s' with value '%s'.\n", name, x4->var);\
546  return AVERROR(EINVAL);\
547  }
548 
549 static av_cold int X264_init(AVCodecContext *avctx)
550 {
551  X264Context *x4 = avctx->priv_data;
552  AVCPBProperties *cpb_props;
553  int sw,sh;
554 
555  if (avctx->global_quality > 0)
556  av_log(avctx, AV_LOG_WARNING, "-qscale is ignored, -crf is recommended.\n");
557 
558 #if CONFIG_LIBX262_ENCODER
559  if (avctx->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
560  x4->params.b_mpeg2 = 1;
561  x264_param_default_mpeg2(&x4->params);
562  } else
563 #endif
564  x264_param_default(&x4->params);
565 
566  x4->params.b_deblocking_filter = avctx->flags & AV_CODEC_FLAG_LOOP_FILTER;
567 
568  if (x4->preset || x4->tune)
569  if (x264_param_default_preset(&x4->params, x4->preset, x4->tune) < 0) {
570  int i;
571  av_log(avctx, AV_LOG_ERROR, "Error setting preset/tune %s/%s.\n", x4->preset, x4->tune);
572  av_log(avctx, AV_LOG_INFO, "Possible presets:");
573  for (i = 0; x264_preset_names[i]; i++)
574  av_log(avctx, AV_LOG_INFO, " %s", x264_preset_names[i]);
575  av_log(avctx, AV_LOG_INFO, "\n");
576  av_log(avctx, AV_LOG_INFO, "Possible tunes:");
577  for (i = 0; x264_tune_names[i]; i++)
578  av_log(avctx, AV_LOG_INFO, " %s", x264_tune_names[i]);
579  av_log(avctx, AV_LOG_INFO, "\n");
580  return AVERROR(EINVAL);
581  }
582 
583  if (avctx->level > 0)
584  x4->params.i_level_idc = avctx->level;
585 
586  x4->params.pf_log = X264_log;
587  x4->params.p_log_private = avctx;
588  x4->params.i_log_level = X264_LOG_DEBUG;
589  x4->params.i_csp = convert_pix_fmt(avctx->pix_fmt);
590 #if X264_BUILD >= 153
591  x4->params.i_bitdepth = av_pix_fmt_desc_get(avctx->pix_fmt)->comp[0].depth;
592 #endif
593 
594  PARSE_X264_OPT("weightp", wpredp);
595 
596  if (avctx->bit_rate) {
597  x4->params.rc.i_bitrate = avctx->bit_rate / 1000;
598  x4->params.rc.i_rc_method = X264_RC_ABR;
599  }
600  x4->params.rc.i_vbv_buffer_size = avctx->rc_buffer_size / 1000;
601  x4->params.rc.i_vbv_max_bitrate = avctx->rc_max_rate / 1000;
602  x4->params.rc.b_stat_write = avctx->flags & AV_CODEC_FLAG_PASS1;
603  if (avctx->flags & AV_CODEC_FLAG_PASS2) {
604  x4->params.rc.b_stat_read = 1;
605  } else {
606  if (x4->crf >= 0) {
607  x4->params.rc.i_rc_method = X264_RC_CRF;
608  x4->params.rc.f_rf_constant = x4->crf;
609  } else if (x4->cqp >= 0) {
610  x4->params.rc.i_rc_method = X264_RC_CQP;
611  x4->params.rc.i_qp_constant = x4->cqp;
612  }
613 
614  if (x4->crf_max >= 0)
615  x4->params.rc.f_rf_constant_max = x4->crf_max;
616  }
617 
618  if (avctx->rc_buffer_size && avctx->rc_initial_buffer_occupancy > 0 &&
619  (avctx->rc_initial_buffer_occupancy <= avctx->rc_buffer_size)) {
620  x4->params.rc.f_vbv_buffer_init =
621  (float)avctx->rc_initial_buffer_occupancy / avctx->rc_buffer_size;
622  }
623 
624  PARSE_X264_OPT("level", level);
625 
626  if (avctx->i_quant_factor > 0)
627  x4->params.rc.f_ip_factor = 1 / fabs(avctx->i_quant_factor);
628  if (avctx->b_quant_factor > 0)
629  x4->params.rc.f_pb_factor = avctx->b_quant_factor;
630 
631 #if FF_API_PRIVATE_OPT
633  if (avctx->chromaoffset >= 0)
634  x4->chroma_offset = avctx->chromaoffset;
636 #endif
637  if (x4->chroma_offset >= 0)
638  x4->params.analyse.i_chroma_qp_offset = x4->chroma_offset;
639 
640  if (avctx->gop_size >= 0)
641  x4->params.i_keyint_max = avctx->gop_size;
642  if (avctx->max_b_frames >= 0)
643  x4->params.i_bframe = avctx->max_b_frames;
644 
645 #if FF_API_PRIVATE_OPT
647  if (avctx->scenechange_threshold >= 0)
650 #endif
651  if (x4->scenechange_threshold >= 0)
652  x4->params.i_scenecut_threshold = x4->scenechange_threshold;
653 
654  if (avctx->qmin >= 0)
655  x4->params.rc.i_qp_min = avctx->qmin;
656  if (avctx->qmax >= 0)
657  x4->params.rc.i_qp_max = avctx->qmax;
658  if (avctx->max_qdiff >= 0)
659  x4->params.rc.i_qp_step = avctx->max_qdiff;
660  if (avctx->qblur >= 0)
661  x4->params.rc.f_qblur = avctx->qblur; /* temporally blur quants */
662  if (avctx->qcompress >= 0)
663  x4->params.rc.f_qcompress = avctx->qcompress; /* 0.0 => cbr, 1.0 => constant qp */
664  if (avctx->refs >= 0)
665  x4->params.i_frame_reference = avctx->refs;
666  else if (x4->level) {
667  int i;
668  int mbn = AV_CEIL_RSHIFT(avctx->width, 4) * AV_CEIL_RSHIFT(avctx->height, 4);
669  int level_id = -1;
670  char *tail;
671  int scale = X264_BUILD < 129 ? 384 : 1;
672 
673  if (!strcmp(x4->level, "1b")) {
674  level_id = 9;
675  } else if (strlen(x4->level) <= 3){
676  level_id = av_strtod(x4->level, &tail) * 10 + 0.5;
677  if (*tail)
678  level_id = -1;
679  }
680  if (level_id <= 0)
681  av_log(avctx, AV_LOG_WARNING, "Failed to parse level\n");
682 
683  for (i = 0; i<x264_levels[i].level_idc; i++)
684  if (x264_levels[i].level_idc == level_id)
685  x4->params.i_frame_reference = av_clip(x264_levels[i].dpb / mbn / scale, 1, x4->params.i_frame_reference);
686  }
687 
688  if (avctx->trellis >= 0)
689  x4->params.analyse.i_trellis = avctx->trellis;
690  if (avctx->me_range >= 0)
691  x4->params.analyse.i_me_range = avctx->me_range;
692 #if FF_API_PRIVATE_OPT
694  if (avctx->noise_reduction >= 0)
695  x4->noise_reduction = avctx->noise_reduction;
697 #endif
698  if (x4->noise_reduction >= 0)
699  x4->params.analyse.i_noise_reduction = x4->noise_reduction;
700  if (avctx->me_subpel_quality >= 0)
701  x4->params.analyse.i_subpel_refine = avctx->me_subpel_quality;
702 #if FF_API_PRIVATE_OPT
704  if (avctx->b_frame_strategy >= 0)
705  x4->b_frame_strategy = avctx->b_frame_strategy;
707 #endif
708  if (avctx->keyint_min >= 0)
709  x4->params.i_keyint_min = avctx->keyint_min;
710 #if FF_API_CODER_TYPE
712  if (avctx->coder_type >= 0)
713  x4->coder = avctx->coder_type == FF_CODER_TYPE_AC;
715 #endif
716  if (avctx->me_cmp >= 0)
717  x4->params.analyse.b_chroma_me = avctx->me_cmp & FF_CMP_CHROMA;
718 
719  if (x4->aq_mode >= 0)
720  x4->params.rc.i_aq_mode = x4->aq_mode;
721  if (x4->aq_strength >= 0)
722  x4->params.rc.f_aq_strength = x4->aq_strength;
723  PARSE_X264_OPT("psy-rd", psy_rd);
724  PARSE_X264_OPT("deblock", deblock);
725  PARSE_X264_OPT("partitions", partitions);
726  PARSE_X264_OPT("stats", stats);
727  if (x4->psy >= 0)
728  x4->params.analyse.b_psy = x4->psy;
729  if (x4->rc_lookahead >= 0)
730  x4->params.rc.i_lookahead = x4->rc_lookahead;
731  if (x4->weightp >= 0)
732  x4->params.analyse.i_weighted_pred = x4->weightp;
733  if (x4->weightb >= 0)
734  x4->params.analyse.b_weighted_bipred = x4->weightb;
735  if (x4->cplxblur >= 0)
736  x4->params.rc.f_complexity_blur = x4->cplxblur;
737 
738  if (x4->ssim >= 0)
739  x4->params.analyse.b_ssim = x4->ssim;
740  if (x4->intra_refresh >= 0)
741  x4->params.b_intra_refresh = x4->intra_refresh;
742  if (x4->bluray_compat >= 0) {
743  x4->params.b_bluray_compat = x4->bluray_compat;
744  x4->params.b_vfr_input = 0;
745  }
746  if (x4->avcintra_class >= 0)
747 #if X264_BUILD >= 142
748  x4->params.i_avcintra_class = x4->avcintra_class;
749 #else
750  av_log(avctx, AV_LOG_ERROR,
751  "x264 too old for AVC Intra, at least version 142 needed\n");
752 #endif
753  if (x4->b_bias != INT_MIN)
754  x4->params.i_bframe_bias = x4->b_bias;
755  if (x4->b_pyramid >= 0)
756  x4->params.i_bframe_pyramid = x4->b_pyramid;
757  if (x4->mixed_refs >= 0)
758  x4->params.analyse.b_mixed_references = x4->mixed_refs;
759  if (x4->dct8x8 >= 0)
760  x4->params.analyse.b_transform_8x8 = x4->dct8x8;
761  if (x4->fast_pskip >= 0)
762  x4->params.analyse.b_fast_pskip = x4->fast_pskip;
763  if (x4->aud >= 0)
764  x4->params.b_aud = x4->aud;
765  if (x4->mbtree >= 0)
766  x4->params.rc.b_mb_tree = x4->mbtree;
767  if (x4->direct_pred >= 0)
768  x4->params.analyse.i_direct_mv_pred = x4->direct_pred;
769 
770  if (x4->slice_max_size >= 0)
771  x4->params.i_slice_max_size = x4->slice_max_size;
772 
773  if (x4->fastfirstpass)
774  x264_param_apply_fastfirstpass(&x4->params);
775 
776  /* Allow specifying the x264 profile through AVCodecContext. */
777  if (!x4->profile)
778  switch (avctx->profile) {
780  x4->profile = av_strdup("baseline");
781  break;
783  x4->profile = av_strdup("high");
784  break;
786  x4->profile = av_strdup("high10");
787  break;
789  x4->profile = av_strdup("high422");
790  break;
792  x4->profile = av_strdup("high444");
793  break;
795  x4->profile = av_strdup("main");
796  break;
797  default:
798  break;
799  }
800 
801  if (x4->nal_hrd >= 0)
802  x4->params.i_nal_hrd = x4->nal_hrd;
803 
804  if (x4->motion_est >= 0)
805  x4->params.analyse.i_me_method = x4->motion_est;
806 
807  if (x4->coder >= 0)
808  x4->params.b_cabac = x4->coder;
809 
810  if (x4->b_frame_strategy >= 0)
811  x4->params.i_bframe_adaptive = x4->b_frame_strategy;
812 
813  if (x4->profile)
814  if (x264_param_apply_profile(&x4->params, x4->profile) < 0) {
815  int i;
816  av_log(avctx, AV_LOG_ERROR, "Error setting profile %s.\n", x4->profile);
817  av_log(avctx, AV_LOG_INFO, "Possible profiles:");
818  for (i = 0; x264_profile_names[i]; i++)
819  av_log(avctx, AV_LOG_INFO, " %s", x264_profile_names[i]);
820  av_log(avctx, AV_LOG_INFO, "\n");
821  return AVERROR(EINVAL);
822  }
823 
824  x4->params.i_width = avctx->width;
825  x4->params.i_height = avctx->height;
826  av_reduce(&sw, &sh, avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den, 4096);
827  x4->params.vui.i_sar_width = sw;
828  x4->params.vui.i_sar_height = sh;
829  x4->params.i_timebase_den = avctx->time_base.den;
830  x4->params.i_timebase_num = avctx->time_base.num;
831  if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
832  x4->params.i_fps_num = avctx->framerate.num;
833  x4->params.i_fps_den = avctx->framerate.den;
834  } else {
835  x4->params.i_fps_num = avctx->time_base.den;
836  x4->params.i_fps_den = avctx->time_base.num * avctx->ticks_per_frame;
837  }
838 
839  x4->params.analyse.b_psnr = avctx->flags & AV_CODEC_FLAG_PSNR;
840 
841  x4->params.i_threads = avctx->thread_count;
842  if (avctx->thread_type)
843  x4->params.b_sliced_threads = avctx->thread_type == FF_THREAD_SLICE;
844 
845  x4->params.b_interlaced = avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT;
846 
847  x4->params.b_open_gop = !(avctx->flags & AV_CODEC_FLAG_CLOSED_GOP);
848 
849  x4->params.i_slice_count = avctx->slices;
850 
851  x4->params.vui.b_fullrange = avctx->pix_fmt == AV_PIX_FMT_YUVJ420P ||
852  avctx->pix_fmt == AV_PIX_FMT_YUVJ422P ||
853  avctx->pix_fmt == AV_PIX_FMT_YUVJ444P ||
854  avctx->color_range == AVCOL_RANGE_JPEG;
855 
856  if (avctx->colorspace != AVCOL_SPC_UNSPECIFIED)
857  x4->params.vui.i_colmatrix = avctx->colorspace;
859  x4->params.vui.i_colorprim = avctx->color_primaries;
860  if (avctx->color_trc != AVCOL_TRC_UNSPECIFIED)
861  x4->params.vui.i_transfer = avctx->color_trc;
862 
863  if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER)
864  x4->params.b_repeat_headers = 0;
865 
866  if(x4->x264opts){
867  const char *p= x4->x264opts;
868  while(p){
869  char param[4096]={0}, val[4096]={0};
870  if(sscanf(p, "%4095[^:=]=%4095[^:]", param, val) == 1){
871  OPT_STR(param, "1");
872  }else
873  OPT_STR(param, val);
874  p= strchr(p, ':');
875  p+=!!p;
876  }
877  }
878 
879  if (x4->x264_params) {
880  AVDictionary *dict = NULL;
881  AVDictionaryEntry *en = NULL;
882 
883  if (!av_dict_parse_string(&dict, x4->x264_params, "=", ":", 0)) {
884  while ((en = av_dict_get(dict, "", en, AV_DICT_IGNORE_SUFFIX))) {
885  if (x264_param_parse(&x4->params, en->key, en->value) < 0)
886  av_log(avctx, AV_LOG_WARNING,
887  "Error parsing option '%s = %s'.\n",
888  en->key, en->value);
889  }
890 
891  av_dict_free(&dict);
892  }
893  }
894 
895  // update AVCodecContext with x264 parameters
896  avctx->has_b_frames = x4->params.i_bframe ?
897  x4->params.i_bframe_pyramid ? 2 : 1 : 0;
898  if (avctx->max_b_frames < 0)
899  avctx->max_b_frames = 0;
900 
901  avctx->bit_rate = x4->params.rc.i_bitrate*1000;
902 
903  x4->enc = x264_encoder_open(&x4->params);
904  if (!x4->enc)
905  return AVERROR_EXTERNAL;
906 
907  if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
908  x264_nal_t *nal;
909  uint8_t *p;
910  int nnal, s, i;
911 
912  s = x264_encoder_headers(x4->enc, &nal, &nnal);
914  if (!p)
915  return AVERROR(ENOMEM);
916 
917  for (i = 0; i < nnal; i++) {
918  /* Don't put the SEI in extradata. */
919  if (nal[i].i_type == NAL_SEI) {
920  av_log(avctx, AV_LOG_INFO, "%s\n", nal[i].p_payload+25);
921  x4->sei_size = nal[i].i_payload;
922  x4->sei = av_malloc(x4->sei_size);
923  if (!x4->sei)
924  return AVERROR(ENOMEM);
925  memcpy(x4->sei, nal[i].p_payload, nal[i].i_payload);
926  continue;
927  }
928  memcpy(p, nal[i].p_payload, nal[i].i_payload);
929  p += nal[i].i_payload;
930  }
931  avctx->extradata_size = p - avctx->extradata;
932  }
933 
934  cpb_props = ff_add_cpb_side_data(avctx);
935  if (!cpb_props)
936  return AVERROR(ENOMEM);
937  cpb_props->buffer_size = x4->params.rc.i_vbv_buffer_size * 1000;
938  cpb_props->max_bitrate = x4->params.rc.i_vbv_max_bitrate * 1000;
939  cpb_props->avg_bitrate = x4->params.rc.i_bitrate * 1000;
940 
941  // Overestimate the reordered opaque buffer size, in case a runtime
942  // reconfigure would increase the delay (which it shouldn't).
943  x4->nb_reordered_opaque = x264_encoder_maximum_delayed_frames(x4->enc) + 17;
945  sizeof(*x4->reordered_opaque));
946  if (!x4->reordered_opaque)
947  return AVERROR(ENOMEM);
948 
949  return 0;
950 }
951 
952 static const enum AVPixelFormat pix_fmts_8bit[] = {
961 #ifdef X264_CSP_NV21
963 #endif
965 };
966 static const enum AVPixelFormat pix_fmts_9bit[] = {
970 };
971 static const enum AVPixelFormat pix_fmts_10bit[] = {
977 };
978 static const enum AVPixelFormat pix_fmts_all[] = {
987 #ifdef X264_CSP_NV21
989 #endif
994 #ifdef X264_CSP_I400
997 #endif
999 };
1000 #if CONFIG_LIBX264RGB_ENCODER
1001 static const enum AVPixelFormat pix_fmts_8bit_rgb[] = {
1006 };
1007 #endif
1008 
1009 static av_cold void X264_init_static(AVCodec *codec)
1010 {
1011 #if X264_BUILD < 153
1012  if (x264_bit_depth == 8)
1013  codec->pix_fmts = pix_fmts_8bit;
1014  else if (x264_bit_depth == 9)
1015  codec->pix_fmts = pix_fmts_9bit;
1016  else if (x264_bit_depth == 10)
1017  codec->pix_fmts = pix_fmts_10bit;
1018 #else
1019  codec->pix_fmts = pix_fmts_all;
1020 #endif
1021 }
1022 
1023 #define OFFSET(x) offsetof(X264Context, x)
1024 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
1025 static const AVOption options[] = {
1026  { "preset", "Set the encoding preset (cf. x264 --fullhelp)", OFFSET(preset), AV_OPT_TYPE_STRING, { .str = "medium" }, 0, 0, VE},
1027  { "tune", "Tune the encoding params (cf. x264 --fullhelp)", OFFSET(tune), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
1028  { "profile", "Set profile restrictions (cf. x264 --fullhelp) ", OFFSET(profile), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
1029  { "fastfirstpass", "Use fast settings when encoding first pass", OFFSET(fastfirstpass), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE},
1030  {"level", "Specify level (as defined by Annex A)", OFFSET(level), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
1031  {"passlogfile", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
1032  {"wpredp", "Weighted prediction for P-frames", OFFSET(wpredp), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
1033  {"a53cc", "Use A53 Closed Captions (if available)", OFFSET(a53_cc), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, VE},
1034  {"x264opts", "x264 options", OFFSET(x264opts), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
1035  { "crf", "Select the quality for constant quality mode", OFFSET(crf), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE },
1036  { "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 },
1037  { "qp", "Constant quantization parameter rate control method",OFFSET(cqp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE },
1038  { "aq-mode", "AQ method", OFFSET(aq_mode), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "aq_mode"},
1039  { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_NONE}, INT_MIN, INT_MAX, VE, "aq_mode" },
1040  { "variance", "Variance AQ (complexity mask)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_VARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },
1041  { "autovariance", "Auto-variance AQ", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_AUTOVARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },
1042 #if X264_BUILD >= 144
1043  { "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" },
1044 #endif
1045  { "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},
1046  { "psy", "Use psychovisual optimizations.", OFFSET(psy), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
1047  { "psy-rd", "Strength of psychovisual optimization, in <psy-rd>:<psy-trellis> format.", OFFSET(psy_rd), AV_OPT_TYPE_STRING, {0 }, 0, 0, VE},
1048  { "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 },
1049  { "weightb", "Weighted prediction for B-frames.", OFFSET(weightb), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
1050  { "weightp", "Weighted prediction analysis method.", OFFSET(weightp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "weightp" },
1051  { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_NONE}, INT_MIN, INT_MAX, VE, "weightp" },
1052  { "simple", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SIMPLE}, INT_MIN, INT_MAX, VE, "weightp" },
1053  { "smart", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SMART}, INT_MIN, INT_MAX, VE, "weightp" },
1054  { "ssim", "Calculate and print SSIM stats.", OFFSET(ssim), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
1055  { "intra-refresh", "Use Periodic Intra Refresh instead of IDR frames.",OFFSET(intra_refresh),AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
1056  { "bluray-compat", "Bluray compatibility workarounds.", OFFSET(bluray_compat) ,AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
1057  { "b-bias", "Influences how often B-frames are used", OFFSET(b_bias), AV_OPT_TYPE_INT, { .i64 = INT_MIN}, INT_MIN, INT_MAX, VE },
1058  { "b-pyramid", "Keep some B-frames as references.", OFFSET(b_pyramid), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "b_pyramid" },
1059  { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NONE}, INT_MIN, INT_MAX, VE, "b_pyramid" },
1060  { "strict", "Strictly hierarchical pyramid", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_STRICT}, INT_MIN, INT_MAX, VE, "b_pyramid" },
1061  { "normal", "Non-strict (not Blu-ray compatible)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NORMAL}, INT_MIN, INT_MAX, VE, "b_pyramid" },
1062  { "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 },
1063  { "8x8dct", "High profile 8x8 transform.", OFFSET(dct8x8), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
1064  { "fast-pskip", NULL, OFFSET(fast_pskip), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
1065  { "aud", "Use access unit delimiters.", OFFSET(aud), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
1066  { "mbtree", "Use macroblock tree ratecontrol.", OFFSET(mbtree), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
1067  { "deblock", "Loop filter parameters, in <alpha:beta> form.", OFFSET(deblock), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
1068  { "cplxblur", "Reduce fluctuations in QP (before curve compression)", OFFSET(cplxblur), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE},
1069  { "partitions", "A comma-separated list of partitions to consider. "
1070  "Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all", OFFSET(partitions), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
1071  { "direct-pred", "Direct MV prediction mode", OFFSET(direct_pred), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "direct-pred" },
1072  { "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_NONE }, 0, 0, VE, "direct-pred" },
1073  { "spatial", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_SPATIAL }, 0, 0, VE, "direct-pred" },
1074  { "temporal", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_TEMPORAL }, 0, 0, VE, "direct-pred" },
1075  { "auto", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_AUTO }, 0, 0, VE, "direct-pred" },
1076  { "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 },
1077  { "stats", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
1078  { "nal-hrd", "Signal HRD information (requires vbv-bufsize; "
1079  "cbr not allowed in .mp4)", OFFSET(nal_hrd), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "nal-hrd" },
1080  { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_NONE}, INT_MIN, INT_MAX, VE, "nal-hrd" },
1081  { "vbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_VBR}, INT_MIN, INT_MAX, VE, "nal-hrd" },
1082  { "cbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_CBR}, INT_MIN, INT_MAX, VE, "nal-hrd" },
1083  { "avcintra-class","AVC-Intra class 50/100/200", OFFSET(avcintra_class),AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 200 , VE},
1084  { "me_method", "Set motion estimation method", OFFSET(motion_est), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, X264_ME_TESA, VE, "motion-est"},
1085  { "motion-est", "Set motion estimation method", OFFSET(motion_est), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, X264_ME_TESA, VE, "motion-est"},
1086  { "dia", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_DIA }, INT_MIN, INT_MAX, VE, "motion-est" },
1087  { "hex", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_HEX }, INT_MIN, INT_MAX, VE, "motion-est" },
1088  { "umh", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_UMH }, INT_MIN, INT_MAX, VE, "motion-est" },
1089  { "esa", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_ESA }, INT_MIN, INT_MAX, VE, "motion-est" },
1090  { "tesa", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_TESA }, INT_MIN, INT_MAX, VE, "motion-est" },
1091  { "forced-idr", "If forcing keyframes, force them as IDR frames.", OFFSET(forced_idr), AV_OPT_TYPE_BOOL, { .i64 = 0 }, -1, 1, VE },
1092  { "coder", "Coder type", OFFSET(coder), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE, "coder" },
1093  { "default", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = -1 }, INT_MIN, INT_MAX, VE, "coder" },
1094  { "cavlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, "coder" },
1095  { "cabac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, VE, "coder" },
1096  { "vlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, "coder" },
1097  { "ac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, VE, "coder" },
1098  { "b_strategy", "Strategy to choose between I/P/B-frames", OFFSET(b_frame_strategy), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 2, VE },
1099  { "chromaoffset", "QP difference between chroma and luma", OFFSET(chroma_offset), AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX, VE },
1100  { "sc_threshold", "Scene change threshold", OFFSET(scenechange_threshold), AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX, VE },
1101  { "noise_reduction", "Noise reduction", OFFSET(noise_reduction), AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX, VE },
1102 
1103  { "x264-params", "Override the x264 configuration using a :-separated list of key=value parameters", OFFSET(x264_params), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
1104  { NULL },
1105 };
1106 
1107 static const AVCodecDefault x264_defaults[] = {
1108  { "b", "0" },
1109  { "bf", "-1" },
1110  { "flags2", "0" },
1111  { "g", "-1" },
1112  { "i_qfactor", "-1" },
1113  { "b_qfactor", "-1" },
1114  { "qmin", "-1" },
1115  { "qmax", "-1" },
1116  { "qdiff", "-1" },
1117  { "qblur", "-1" },
1118  { "qcomp", "-1" },
1119 // { "rc_lookahead", "-1" },
1120  { "refs", "-1" },
1121 #if FF_API_PRIVATE_OPT
1122  { "sc_threshold", "-1" },
1123 #endif
1124  { "trellis", "-1" },
1125 #if FF_API_PRIVATE_OPT
1126  { "nr", "-1" },
1127 #endif
1128  { "me_range", "-1" },
1129  { "subq", "-1" },
1130 #if FF_API_PRIVATE_OPT
1131  { "b_strategy", "-1" },
1132 #endif
1133  { "keyint_min", "-1" },
1134 #if FF_API_CODER_TYPE
1135  { "coder", "-1" },
1136 #endif
1137  { "cmp", "-1" },
1138  { "threads", AV_STRINGIFY(X264_THREADS_AUTO) },
1139  { "thread_type", "0" },
1140  { "flags", "+cgop" },
1141  { "rc_init_occupancy","-1" },
1142  { NULL },
1143 };
1144 
1145 #if CONFIG_LIBX264_ENCODER
1146 static const AVClass x264_class = {
1147  .class_name = "libx264",
1148  .item_name = av_default_item_name,
1149  .option = options,
1150  .version = LIBAVUTIL_VERSION_INT,
1151 };
1152 
1154  .name = "libx264",
1155  .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),
1156  .type = AVMEDIA_TYPE_VIDEO,
1157  .id = AV_CODEC_ID_H264,
1158  .priv_data_size = sizeof(X264Context),
1159  .init = X264_init,
1160  .encode2 = X264_frame,
1161  .close = X264_close,
1162  .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS |
1164  .priv_class = &x264_class,
1165  .defaults = x264_defaults,
1166  .init_static_data = X264_init_static,
1167  .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
1168  .wrapper_name = "libx264",
1169 };
1170 #endif
1171 
1172 #if CONFIG_LIBX264RGB_ENCODER
1173 static const AVClass rgbclass = {
1174  .class_name = "libx264rgb",
1175  .item_name = av_default_item_name,
1176  .option = options,
1177  .version = LIBAVUTIL_VERSION_INT,
1178 };
1179 
1181  .name = "libx264rgb",
1182  .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 RGB"),
1183  .type = AVMEDIA_TYPE_VIDEO,
1184  .id = AV_CODEC_ID_H264,
1185  .priv_data_size = sizeof(X264Context),
1186  .init = X264_init,
1187  .encode2 = X264_frame,
1188  .close = X264_close,
1189  .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS |
1191  .priv_class = &rgbclass,
1192  .defaults = x264_defaults,
1193  .pix_fmts = pix_fmts_8bit_rgb,
1194  .wrapper_name = "libx264",
1195 };
1196 #endif
1197 
1198 #if CONFIG_LIBX262_ENCODER
1199 static const AVClass X262_class = {
1200  .class_name = "libx262",
1201  .item_name = av_default_item_name,
1202  .option = options,
1203  .version = LIBAVUTIL_VERSION_INT,
1204 };
1205 
1207  .name = "libx262",
1208  .long_name = NULL_IF_CONFIG_SMALL("libx262 MPEG2VIDEO"),
1209  .type = AVMEDIA_TYPE_VIDEO,
1210  .id = AV_CODEC_ID_MPEG2VIDEO,
1211  .priv_data_size = sizeof(X264Context),
1212  .init = X264_init,
1213  .encode2 = X264_frame,
1214  .close = X264_close,
1215  .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS |
1217  .priv_class = &X262_class,
1218  .defaults = x264_defaults,
1220  .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
1221  .wrapper_name = "libx264",
1222 };
1223 #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:2939
#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:506
#define NULL
Definition: coverity.c:32
AVRational framerate
Definition: avcodec.h:3105
const char const char void * val
Definition: avisynth_c.h:863
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:235
static int avfmt2_num_planes(int avfmt)
Definition: libx264.c:158
char * partitions
Definition: libx264.c:83
int size
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2522
This structure describes decoded (raw) audio or video data.
Definition: frame.h:295
int dct8x8
Definition: libx264.c:77
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:720
#define AV_CODEC_FLAG_INTERLACED_DCT
Use interlaced DCT.
Definition: avcodec.h:896
#define AV_CODEC_FLAG_LOOP_FILTER
loop filter.
Definition: avcodec.h:879
const char * fmt
Definition: avisynth_c.h:861
float qblur
amount of qscale smoothing over time (0.0-1.0)
Definition: avcodec.h:2400
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:1615
#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:1134
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:1825
AVCodec ff_libx262_encoder
int noise_reduction
Definition: libx264.c:96
int rc_initial_buffer_occupancy
Number of bits which should be loaded into the rc buffer before decoding starts.
Definition: avcodec.h:2471
enum AVColorRange color_range
MPEG vs JPEG YUV range.
Definition: avcodec.h:2200
int num
Numerator.
Definition: rational.h:59
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:191
AVRational sample_aspect_ratio
sample aspect ratio (0 if unknown) That is the width of a pixel divided by the height of the pixel...
Definition: avcodec.h:1944
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:1775
int next_reordered_opaque
Definition: libx264.c:100
int bluray_compat
Definition: libx264.c:73
char * wpredp
Definition: libx264.c:59
static void X264_log(void *p, int level, const char *fmt, va_list args)
Definition: libx264.c:104
Views are next to each other.
Definition: stereo3d.h:67
static AVPacket pkt
#define AV_CODEC_CAP_AUTO_THREADS
Codec supports avctx->thread_count == 0 (auto).
Definition: avcodec.h:1049
int profile
profile
Definition: avcodec.h:2898
AVCodec.
Definition: avcodec.h:3481
static av_cold int X264_init(AVCodecContext *avctx)
Definition: libx264.c:549
AVRational qoffset
Quantisation offset.
Definition: frame.h:262
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
Definition: avcodec.h:1688
Undefined.
Definition: avutil.h:273
#define AV_PIX_FMT_GRAY10
Definition: pixfmt.h:368
AVFrameSideData * av_frame_get_side_data(const AVFrame *frame, enum AVFrameSideDataType type)
Definition: frame.c:734
x264_param_t params
Definition: libx264.c:49
char * x264opts
Definition: libx264.c:60
#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: avcodec.h:1092
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
Definition: log.h:72
#define AV_CODEC_CAP_DELAY
Encoder or decoder requires flushing with NULL input at the end in order to give the complete and cor...
Definition: avcodec.h:1006
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:2937
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:117
uint8_t
#define av_cold
Definition: attributes.h:82
#define av_malloc(s)
AVOptions.
Stereo 3D type: this structure describes how two videos are packed within a single video surface...
Definition: stereo3d.h:176
int me_range
maximum motion estimation search range in subpel units If 0 then no limit.
Definition: avcodec.h:2036
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:1834
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:388
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
Definition: avcodec.h:1666
int me_cmp
motion estimation comparison function
Definition: avcodec.h:1951
int nb_reordered_opaque
Definition: libx264.c:100
int level_idc
Definition: h264_levels.c:25
static AVFrame * frame
Structure to hold side data for an AVFrame.
Definition: frame.h:201
AVDictionaryEntry * av_dict_get(const AVDictionary *m, const char *key, const AVDictionaryEntry *prev, int flags)
Get a dictionary entry with matching key.
Definition: dict.c:40
uint8_t * data
Definition: avcodec.h:1477
int b_pyramid
Definition: libx264.c:75
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:51
int interlaced_frame
The content of the picture is interlaced.
Definition: frame.h:442
int64_t * reordered_opaque
Definition: libx264.c:101
float cplxblur
Definition: libx264.c:82
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:1161
#define FF_CMP_CHROMA
Definition: avcodec.h:1986
char * stats
Definition: libx264.c:86
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:225
static enum AVPixelFormat pix_fmts_all[]
Definition: libx264.c:978
int intra_refresh
Definition: libx264.c:72
#define AV_PIX_FMT_NV20
Definition: pixfmt.h:434
#define av_log(a,...)
int rc_lookahead
Definition: libx264.c:68
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
Definition: avcodec.h:1509
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:259
static enum AVPixelFormat pix_fmts_10bit[]
Definition: libx264.c:971
int width
Definition: frame.h:353
#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:1855
int flags
Additional information about the frame packing.
Definition: stereo3d.h:185
#define AVERROR(e)
Definition: error.h:43
int qmax
maximum quantizer
Definition: avcodec.h:2414
char * profile
Definition: libx264.c:56
#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:91
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
Definition: log.h:197
int fastfirstpass
Definition: libx264.c:58
void av_dict_free(AVDictionary **pm)
Free all the memory allocated for an AVDictionary struct and all keys and values. ...
Definition: dict.c:203
#define FF_PROFILE_H264_HIGH_422
Definition: avcodec.h:2945
#define FF_PROFILE_H264_HIGH
Definition: avcodec.h:2941
int flags
AV_CODEC_FLAG_*.
Definition: avcodec.h:1645
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:236
int mbtree
Definition: libx264.c:80
const char * name
Name of the codec implementation.
Definition: avcodec.h:3488
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:1870
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:390
static const AVCodecDefault defaults[]
Definition: amfenc_h264.c:361
char * deblock
Definition: libx264.c:81
int b_frame_strategy
Definition: libx264.c:93
int flags
A combination of AV_PKT_FLAG values.
Definition: avcodec.h:1483
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:2428
Views are alternated temporally.
Definition: stereo3d.h:92
common internal API header
char * psy_rd
Definition: libx264.c:66
as above, but U and V bytes are swapped
Definition: pixfmt.h:90
int refs
number of reference frames
Definition: avcodec.h:2153
int motion_est
Definition: libx264.c:89
static enum AVPixelFormat pix_fmts_9bit[]
Definition: libx264.c:966
#define PARSE_X264_OPT(name, var)
Definition: libx264.c:543
enum AVPixelFormat * pix_fmts
array of supported pixel formats, or NULL if unknown, array is terminated by -1
Definition: avcodec.h:3502
enum AVPictureType pict_type
Picture type of the frame.
Definition: frame.h:378
#define OPT_STR(opt, param)
Definition: libx264.c:492
#define FFMIN(a, b)
Definition: common.h:96
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:1738
int cqp
Definition: libx264.c:63
static void bit_depth(AudioStatsContext *s, uint64_t mask, uint64_t imask, AVRational *depth)
Definition: af_astats.c:226
attribute_deprecated int noise_reduction
Definition: avcodec.h:2083
const char AVS_Value args
Definition: avisynth_c.h:872
x264_t * enc
Definition: libx264.c:50
AVFormatContext * ctx
Definition: movenc.c:48
#define AV_CODEC_FLAG_PSNR
error[?] variables will be set during encoding.
Definition: avcodec.h:887
#define AV_CODEC_FLAG_PASS1
Use internal 2pass ratecontrol in first pass mode.
Definition: avcodec.h:871
enum AVColorPrimaries color_primaries
Chromaticity coordinates of the source primaries.
Definition: avcodec.h:2179
#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:2836
int level
level
Definition: avcodec.h:3018
int quality
quality (between 1 (good) and FF_LAMBDA_MAX (bad))
Definition: frame.h:418
Structure describing a single Region Of Interest.
Definition: frame.h:220
int scenechange_threshold
Definition: libx264.c:95
int64_t reordered_opaque
opaque 64-bit number (generally a PTS) that will be reordered and output in AVFrame.reordered_opaque
Definition: avcodec.h:2722
int slice_max_size
Definition: libx264.c:85
int ticks_per_frame
For some codecs, the time base is closer to the field rate than the frame rate.
Definition: avcodec.h:1697
packed RGB 8:8:8, 24bpp, BGRBGR...
Definition: pixfmt.h:69
int nal_hrd
Definition: libx264.c:87
int max_qdiff
maximum quantizer difference between frames
Definition: avcodec.h:2421
int weightp
Definition: libx264.c:69
if(ret< 0)
Definition: vf_mcdeint.c:279
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:386
attribute_deprecated int coder_type
Definition: avcodec.h:2482
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:220
char * x264_params
Definition: libx264.c:98
int thread_count
thread count is used to decide how many independent tasks should be passed to execute() ...
Definition: avcodec.h:2824
the normal 2^n-1 "JPEG" YUV ranges
Definition: pixfmt.h:522
static enum AVPixelFormat pix_fmts_8bit[]
Definition: libx264.c:952
static const AVCodecDefault x264_defaults[]
Definition: libx264.c:1107
double av_strtod(const char *numstr, char **tail)
Parse the string in numstr and return its value as a double.
Definition: eval.c:106
int av_dict_parse_string(AVDictionary **pm, const char *str, const char *key_val_sep, const char *pairs_sep, int flags)
Parse the key/value pairs list and add the parsed entries to a dictionary.
Definition: dict.c:180
This structure describes the bitrate properties of an encoded bitstream.
Definition: avcodec.h:1128
int avcintra_class
Definition: libx264.c:88
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:57
char * av_strdup(const char *s)
Duplicate a string.
Definition: mem.c:251
Libavcodec external API header.
Views are on top of each other.
Definition: stereo3d.h:79
static av_cold int X264_close(AVCodecContext *avctx)
Definition: libx264.c:476
attribute_deprecated int scenechange_threshold
Definition: avcodec.h:2079
enum AVCodecID codec_id
Definition: avcodec.h:1575
int forced_idr
Definition: libx264.c:90
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:326
attribute_deprecated int b_frame_strategy
Definition: avcodec.h:1839
main external API structure.
Definition: avcodec.h:1565
static const AVOption options[]
Definition: libx264.c:1025
int qmin
minimum quantizer
Definition: avcodec.h:2407
uint8_t * data
Definition: frame.h:203
#define FF_CODER_TYPE_AC
Definition: avcodec.h:2475
int extradata_size
Definition: avcodec.h:1667
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:387
float crf
Definition: libx264.c:61
int aq_mode
Definition: libx264.c:64
int aud
Definition: libx264.c:79
#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:462
Describe the class of an AVClass context structure.
Definition: log.h:67
int a53_cc
Definition: libx264.c:92
enum AVColorSpace colorspace
YUV colorspace type.
Definition: avcodec.h:2193
enum AVColorTransferCharacteristic color_trc
Color Transfer Characteristic.
Definition: avcodec.h:2186
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:52
void av_vlog(void *avcl, int level, const char *fmt, va_list vl)
Send the specified message to the log if the level is less than or equal to the current av_log_level...
Definition: log.c:373
int psy
Definition: libx264.c:67
static int encode_nals(AVCodecContext *ctx, AVPacket *pkt, const x264_nal_t *nals, int nnal)
Definition: libx264.c:120
packed BGR 8:8:8, 32bpp, BGRXBGRX... X=unused/undefined
Definition: pixfmt.h:240
#define FF_PROFILE_H264_HIGH_444
Definition: avcodec.h:2948
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:384
attribute_deprecated int chromaoffset
Definition: avcodec.h:2158
float qcompress
amount of qscale change between easy & hard scenes (0.0-1.0)
Definition: avcodec.h:2399
int sei_size
Definition: libx264.c:53
static void reconfig_encoder(AVCodecContext *ctx, const AVFrame *frame)
Definition: libx264.c:180
char * preset
Definition: libx264.c:54
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:275
int global_quality
Global quality for codecs which cannot change it per frame.
Definition: avcodec.h:1631
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:388
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:309
int b_bias
Definition: libx264.c:74
#define AV_CODEC_FLAG_GLOBAL_HEADER
Place global headers in extradata instead of every keyframe.
Definition: avcodec.h:904
int fast_pskip
Definition: libx264.c:78
int gop_size
the number of pictures in a group of pictures, or 0 for intra_only
Definition: avcodec.h:1760
int chroma_offset
Definition: libx264.c:94
static av_cold void X264_init_static(AVCodec *codec)
Definition: libx264.c:1009
int mixed_refs
Definition: libx264.c:76
preset
Definition: vf_curves.c:46
char * tune
Definition: libx264.c:55
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:1024
int weightb
Definition: libx264.c:70
float aq_strength
Definition: libx264.c:65
common internal api header.
Bi-dir predicted.
Definition: avutil.h:276
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:80
Stereoscopic video.
attribute_deprecated AVFrame * coded_frame
the picture in the bitstream
Definition: avcodec.h:2815
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:2514
AVCPBProperties * ff_add_cpb_side_data(AVCodecContext *avctx)
Add a CPB properties side data to an encoding context.
Definition: utils.c:1973
#define AV_INPUT_BUFFER_PADDING_SIZE
Required number of additionally allocated bytes at the end of the input bitstream for decoding...
Definition: avcodec.h:790
#define AV_CODEC_FLAG_PASS2
Use internal 2pass ratecontrol in second pass mode.
Definition: avcodec.h:875
int slices
Number of slices.
Definition: avcodec.h:2216
void * priv_data
Definition: avcodec.h:1592
#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:447
int avg_bitrate
Average bitrate of the stream, in bits per second.
Definition: avcodec.h:1152
#define MB_SIZE
Definition: libx264.c:45
AVCodec ff_libx264rgb_encoder
int ssim
Definition: libx264.c:71
#define FF_QP2LAMBDA
factor to convert from H.263 QP to lambda
Definition: avutil.h:227
AVCodec ff_libx264_encoder
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed...
Definition: avcodec.h:1476
float crf_max
Definition: libx264.c:62
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:2172
int height
Definition: frame.h:353
#define OFFSET(x)
Definition: libx264.c:1023
int direct_pred
Definition: libx264.c:84
#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:280
#define av_malloc_array(a, b)
#define AV_CODEC_FLAG_CLOSED_GOP
Definition: avcodec.h:918
int depth
Number of bits in the component.
Definition: pixdesc.h:58
#define FF_PROFILE_H264_HIGH_10
Definition: avcodec.h:2942
Stereoscopic 3d metadata.
Definition: frame.h:63
#define AVERROR_EXTERNAL
Generic error in an external library.
Definition: error.h:57
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
This structure stores compressed data.
Definition: avcodec.h:1454
int me_subpel_quality
subpel ME quality
Definition: avcodec.h:2027
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
Definition: avcodec.h:1470
Predicted.
Definition: avutil.h:275
int thread_type
Which multithreading methods to use.
Definition: avcodec.h:2834
int64_t rc_max_rate
maximum bitrate
Definition: avcodec.h:2443
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:191
int keyint_min
minimum GOP size
Definition: avcodec.h:2146