FFmpeg  4.4.6
libx265.c
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1 /*
2  * libx265 encoder
3  *
4  * Copyright (c) 2013-2014 Derek Buitenhuis
5  *
6  * This file is part of FFmpeg.
7  *
8  * FFmpeg is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * FFmpeg is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with FFmpeg; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
23 #if defined(_MSC_VER)
24 #define X265_API_IMPORTS 1
25 #endif
26 
27 #include <x265.h>
28 #include <float.h>
29 
30 #include "libavutil/internal.h"
31 #include "libavutil/common.h"
32 #include "libavutil/opt.h"
33 #include "libavutil/pixdesc.h"
34 #include "avcodec.h"
35 #include "internal.h"
36 #include "packet_internal.h"
37 
38 typedef struct libx265Context {
39  const AVClass *class;
40 
41  x265_encoder *encoder;
42  x265_param *params;
43  const x265_api *api;
44 
45  float crf;
46  int cqp;
48  char *preset;
49  char *tune;
50  char *profile;
52 
53  /**
54  * If the encoder does not support ROI then warn the first time we
55  * encounter a frame with ROI side data.
56  */
59 
60 static int is_keyframe(NalUnitType naltype)
61 {
62  switch (naltype) {
63  case NAL_UNIT_CODED_SLICE_BLA_W_LP:
64  case NAL_UNIT_CODED_SLICE_BLA_W_RADL:
65  case NAL_UNIT_CODED_SLICE_BLA_N_LP:
66  case NAL_UNIT_CODED_SLICE_IDR_W_RADL:
67  case NAL_UNIT_CODED_SLICE_IDR_N_LP:
68  case NAL_UNIT_CODED_SLICE_CRA:
69  return 1;
70  default:
71  return 0;
72  }
73 }
74 
76 {
77  libx265Context *ctx = avctx->priv_data;
78 
79  ctx->api->param_free(ctx->params);
80 
81  if (ctx->encoder)
82  ctx->api->encoder_close(ctx->encoder);
83 
84  return 0;
85 }
86 
88  const char *key, float value)
89 {
90  libx265Context *ctx = avctx->priv_data;
91  char buf[256];
92 
93  snprintf(buf, sizeof(buf), "%2.2f", value);
94  if (ctx->api->param_parse(ctx->params, key, buf) == X265_PARAM_BAD_VALUE) {
95  av_log(avctx, AV_LOG_ERROR, "Invalid value %2.2f for param \"%s\".\n", value, key);
96  return AVERROR(EINVAL);
97  }
98 
99  return 0;
100 }
101 
103  const char *key, int value)
104 {
105  libx265Context *ctx = avctx->priv_data;
106  char buf[256];
107 
108  snprintf(buf, sizeof(buf), "%d", value);
109  if (ctx->api->param_parse(ctx->params, key, buf) == X265_PARAM_BAD_VALUE) {
110  av_log(avctx, AV_LOG_ERROR, "Invalid value %d for param \"%s\".\n", value, key);
111  return AVERROR(EINVAL);
112  }
113 
114  return 0;
115 }
116 
118 {
119  libx265Context *ctx = avctx->priv_data;
120  AVCPBProperties *cpb_props = NULL;
121  int ret;
122 
123  ctx->api = x265_api_get(av_pix_fmt_desc_get(avctx->pix_fmt)->comp[0].depth);
124  if (!ctx->api)
125  ctx->api = x265_api_get(0);
126 
127  ctx->params = ctx->api->param_alloc();
128  if (!ctx->params) {
129  av_log(avctx, AV_LOG_ERROR, "Could not allocate x265 param structure.\n");
130  return AVERROR(ENOMEM);
131  }
132 
133  if (ctx->api->param_default_preset(ctx->params, ctx->preset, ctx->tune) < 0) {
134  int i;
135 
136  av_log(avctx, AV_LOG_ERROR, "Error setting preset/tune %s/%s.\n", ctx->preset, ctx->tune);
137  av_log(avctx, AV_LOG_INFO, "Possible presets:");
138  for (i = 0; x265_preset_names[i]; i++)
139  av_log(avctx, AV_LOG_INFO, " %s", x265_preset_names[i]);
140 
141  av_log(avctx, AV_LOG_INFO, "\n");
142  av_log(avctx, AV_LOG_INFO, "Possible tunes:");
143  for (i = 0; x265_tune_names[i]; i++)
144  av_log(avctx, AV_LOG_INFO, " %s", x265_tune_names[i]);
145 
146  av_log(avctx, AV_LOG_INFO, "\n");
147 
148  return AVERROR(EINVAL);
149  }
150 
151  ctx->params->frameNumThreads = avctx->thread_count;
152  if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
153  ctx->params->fpsNum = avctx->framerate.num;
154  ctx->params->fpsDenom = avctx->framerate.den;
155  } else {
156  ctx->params->fpsNum = avctx->time_base.den;
157  ctx->params->fpsDenom = avctx->time_base.num * avctx->ticks_per_frame;
158  }
159  ctx->params->sourceWidth = avctx->width;
160  ctx->params->sourceHeight = avctx->height;
161  ctx->params->bEnablePsnr = !!(avctx->flags & AV_CODEC_FLAG_PSNR);
162  ctx->params->bOpenGOP = !(avctx->flags & AV_CODEC_FLAG_CLOSED_GOP);
163 
164  /* Tune the CTU size based on input resolution. */
165  if (ctx->params->sourceWidth < 64 || ctx->params->sourceHeight < 64)
166  ctx->params->maxCUSize = 32;
167  if (ctx->params->sourceWidth < 32 || ctx->params->sourceHeight < 32)
168  ctx->params->maxCUSize = 16;
169  if (ctx->params->sourceWidth < 16 || ctx->params->sourceHeight < 16) {
170  av_log(avctx, AV_LOG_ERROR, "Image size is too small (%dx%d).\n",
171  ctx->params->sourceWidth, ctx->params->sourceHeight);
172  return AVERROR(EINVAL);
173  }
174 
175 
176  ctx->params->vui.bEnableVideoSignalTypePresentFlag = 1;
177 
178  ctx->params->vui.bEnableVideoFullRangeFlag = avctx->pix_fmt == AV_PIX_FMT_YUVJ420P ||
179  avctx->pix_fmt == AV_PIX_FMT_YUVJ422P ||
180  avctx->pix_fmt == AV_PIX_FMT_YUVJ444P ||
181  avctx->color_range == AVCOL_RANGE_JPEG;
182 
183  if ((avctx->color_primaries <= AVCOL_PRI_SMPTE432 &&
185  (avctx->color_trc <= AVCOL_TRC_ARIB_STD_B67 &&
186  avctx->color_trc != AVCOL_TRC_UNSPECIFIED) ||
187  (avctx->colorspace <= AVCOL_SPC_ICTCP &&
188  avctx->colorspace != AVCOL_SPC_UNSPECIFIED)) {
189 
190  ctx->params->vui.bEnableColorDescriptionPresentFlag = 1;
191 
192  // x265 validates the parameters internally
193  ctx->params->vui.colorPrimaries = avctx->color_primaries;
194  ctx->params->vui.transferCharacteristics = avctx->color_trc;
195 #if X265_BUILD >= 159
196  if (avctx->color_trc == AVCOL_TRC_ARIB_STD_B67)
197  ctx->params->preferredTransferCharacteristics = ctx->params->vui.transferCharacteristics;
198 #endif
199  ctx->params->vui.matrixCoeffs = avctx->colorspace;
200  }
201 
202  if (avctx->sample_aspect_ratio.num > 0 && avctx->sample_aspect_ratio.den > 0) {
203  char sar[12];
204  int sar_num, sar_den;
205 
206  av_reduce(&sar_num, &sar_den,
207  avctx->sample_aspect_ratio.num,
208  avctx->sample_aspect_ratio.den, 65535);
209  snprintf(sar, sizeof(sar), "%d:%d", sar_num, sar_den);
210  if (ctx->api->param_parse(ctx->params, "sar", sar) == X265_PARAM_BAD_VALUE) {
211  av_log(avctx, AV_LOG_ERROR, "Invalid SAR: %d:%d.\n", sar_num, sar_den);
212  return AVERROR_INVALIDDATA;
213  }
214  }
215 
216  switch (avctx->pix_fmt) {
217  case AV_PIX_FMT_YUV420P:
220  ctx->params->internalCsp = X265_CSP_I420;
221  break;
222  case AV_PIX_FMT_YUV422P:
225  ctx->params->internalCsp = X265_CSP_I422;
226  break;
227  case AV_PIX_FMT_GBRP:
228  case AV_PIX_FMT_GBRP10:
229  case AV_PIX_FMT_GBRP12:
230  ctx->params->vui.matrixCoeffs = AVCOL_SPC_RGB;
231  ctx->params->vui.bEnableVideoSignalTypePresentFlag = 1;
232  ctx->params->vui.bEnableColorDescriptionPresentFlag = 1;
233  case AV_PIX_FMT_YUV444P:
236  ctx->params->internalCsp = X265_CSP_I444;
237  break;
238  case AV_PIX_FMT_GRAY8:
239  case AV_PIX_FMT_GRAY10:
240  case AV_PIX_FMT_GRAY12:
241  if (ctx->api->api_build_number < 85) {
242  av_log(avctx, AV_LOG_ERROR,
243  "libx265 version is %d, must be at least 85 for gray encoding.\n",
244  ctx->api->api_build_number);
245  return AVERROR_INVALIDDATA;
246  }
247  ctx->params->internalCsp = X265_CSP_I400;
248  break;
249  }
250 
251  if (ctx->crf >= 0) {
252  char crf[6];
253 
254  snprintf(crf, sizeof(crf), "%2.2f", ctx->crf);
255  if (ctx->api->param_parse(ctx->params, "crf", crf) == X265_PARAM_BAD_VALUE) {
256  av_log(avctx, AV_LOG_ERROR, "Invalid crf: %2.2f.\n", ctx->crf);
257  return AVERROR(EINVAL);
258  }
259  } else if (avctx->bit_rate > 0) {
260  ctx->params->rc.bitrate = avctx->bit_rate / 1000;
261  ctx->params->rc.rateControlMode = X265_RC_ABR;
262  } else if (ctx->cqp >= 0) {
263  ret = libx265_param_parse_int(avctx, "qp", ctx->cqp);
264  if (ret < 0)
265  return ret;
266  }
267 
268 #if X265_BUILD >= 89
269  if (avctx->qmin >= 0) {
270  ret = libx265_param_parse_int(avctx, "qpmin", avctx->qmin);
271  if (ret < 0)
272  return ret;
273  }
274  if (avctx->qmax >= 0) {
275  ret = libx265_param_parse_int(avctx, "qpmax", avctx->qmax);
276  if (ret < 0)
277  return ret;
278  }
279 #endif
280  if (avctx->max_qdiff >= 0) {
281  ret = libx265_param_parse_int(avctx, "qpstep", avctx->max_qdiff);
282  if (ret < 0)
283  return ret;
284  }
285  if (avctx->qblur >= 0) {
286  ret = libx265_param_parse_float(avctx, "qblur", avctx->qblur);
287  if (ret < 0)
288  return ret;
289  }
290  if (avctx->qcompress >= 0) {
291  ret = libx265_param_parse_float(avctx, "qcomp", avctx->qcompress);
292  if (ret < 0)
293  return ret;
294  }
295  if (avctx->i_quant_factor >= 0) {
296  ret = libx265_param_parse_float(avctx, "ipratio", avctx->i_quant_factor);
297  if (ret < 0)
298  return ret;
299  }
300  if (avctx->b_quant_factor >= 0) {
301  ret = libx265_param_parse_float(avctx, "pbratio", avctx->b_quant_factor);
302  if (ret < 0)
303  return ret;
304  }
305 
306  ctx->params->rc.vbvBufferSize = avctx->rc_buffer_size / 1000;
307  ctx->params->rc.vbvMaxBitrate = avctx->rc_max_rate / 1000;
308 
309  cpb_props = ff_add_cpb_side_data(avctx);
310  if (!cpb_props)
311  return AVERROR(ENOMEM);
312  cpb_props->buffer_size = ctx->params->rc.vbvBufferSize * 1000;
313  cpb_props->max_bitrate = ctx->params->rc.vbvMaxBitrate * 1000LL;
314  cpb_props->avg_bitrate = ctx->params->rc.bitrate * 1000LL;
315 
316  if (!(avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER))
317  ctx->params->bRepeatHeaders = 1;
318 
319  if (avctx->gop_size >= 0) {
320  ret = libx265_param_parse_int(avctx, "keyint", avctx->gop_size);
321  if (ret < 0)
322  return ret;
323  }
324  if (avctx->keyint_min > 0) {
325  ret = libx265_param_parse_int(avctx, "min-keyint", avctx->keyint_min);
326  if (ret < 0)
327  return ret;
328  }
329  if (avctx->max_b_frames >= 0) {
330  ret = libx265_param_parse_int(avctx, "bframes", avctx->max_b_frames);
331  if (ret < 0)
332  return ret;
333  }
334  if (avctx->refs >= 0) {
335  ret = libx265_param_parse_int(avctx, "ref", avctx->refs);
336  if (ret < 0)
337  return ret;
338  }
339 
340  {
341  AVDictionaryEntry *en = NULL;
342  while ((en = av_dict_get(ctx->x265_opts, "", en, AV_DICT_IGNORE_SUFFIX))) {
343  int parse_ret = ctx->api->param_parse(ctx->params, en->key, en->value);
344 
345  switch (parse_ret) {
346  case X265_PARAM_BAD_NAME:
347  av_log(avctx, AV_LOG_WARNING,
348  "Unknown option: %s.\n", en->key);
349  break;
350  case X265_PARAM_BAD_VALUE:
351  av_log(avctx, AV_LOG_WARNING,
352  "Invalid value for %s: %s.\n", en->key, en->value);
353  break;
354  default:
355  break;
356  }
357  }
358  }
359 
360  if (ctx->params->rc.vbvBufferSize && avctx->rc_initial_buffer_occupancy > 1000 &&
361  ctx->params->rc.vbvBufferInit == 0.9) {
362  ctx->params->rc.vbvBufferInit = (float)avctx->rc_initial_buffer_occupancy / 1000;
363  }
364 
365  if (ctx->profile) {
366  if (ctx->api->param_apply_profile(ctx->params, ctx->profile) < 0) {
367  int i;
368  av_log(avctx, AV_LOG_ERROR, "Invalid or incompatible profile set: %s.\n", ctx->profile);
369  av_log(avctx, AV_LOG_INFO, "Possible profiles:");
370  for (i = 0; x265_profile_names[i]; i++)
371  av_log(avctx, AV_LOG_INFO, " %s", x265_profile_names[i]);
372  av_log(avctx, AV_LOG_INFO, "\n");
373  return AVERROR(EINVAL);
374  }
375  }
376 
377  ctx->encoder = ctx->api->encoder_open(ctx->params);
378  if (!ctx->encoder) {
379  av_log(avctx, AV_LOG_ERROR, "Cannot open libx265 encoder.\n");
380  libx265_encode_close(avctx);
381  return AVERROR_INVALIDDATA;
382  }
383 
384  if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
385  x265_nal *nal;
386  int nnal;
387 
388  avctx->extradata_size = ctx->api->encoder_headers(ctx->encoder, &nal, &nnal);
389  if (avctx->extradata_size <= 0) {
390  av_log(avctx, AV_LOG_ERROR, "Cannot encode headers.\n");
391  libx265_encode_close(avctx);
392  return AVERROR_INVALIDDATA;
393  }
394 
396  if (!avctx->extradata) {
397  av_log(avctx, AV_LOG_ERROR,
398  "Cannot allocate HEVC header of size %d.\n", avctx->extradata_size);
399  libx265_encode_close(avctx);
400  return AVERROR(ENOMEM);
401  }
402 
403  memcpy(avctx->extradata, nal[0].payload, avctx->extradata_size);
404  memset(avctx->extradata + avctx->extradata_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
405  }
406 
407  return 0;
408 }
409 
410 static av_cold int libx265_encode_set_roi(libx265Context *ctx, const AVFrame *frame, x265_picture* pic)
411 {
413  if (sd) {
414  if (ctx->params->rc.aqMode == X265_AQ_NONE) {
415  if (!ctx->roi_warned) {
416  ctx->roi_warned = 1;
417  av_log(ctx, AV_LOG_WARNING, "Adaptive quantization must be enabled to use ROI encoding, skipping ROI.\n");
418  }
419  } else {
420  /* 8x8 block when qg-size is 8, 16*16 block otherwise. */
421  int mb_size = (ctx->params->rc.qgSize == 8) ? 8 : 16;
422  int mbx = (frame->width + mb_size - 1) / mb_size;
423  int mby = (frame->height + mb_size - 1) / mb_size;
424  int qp_range = 51 + 6 * (pic->bitDepth - 8);
425  int nb_rois;
426  const AVRegionOfInterest *roi;
427  uint32_t roi_size;
428  float *qoffsets; /* will be freed after encode is called. */
429 
430  roi = (const AVRegionOfInterest*)sd->data;
431  roi_size = roi->self_size;
432  if (!roi_size || sd->size % roi_size != 0) {
433  av_log(ctx, AV_LOG_ERROR, "Invalid AVRegionOfInterest.self_size.\n");
434  return AVERROR(EINVAL);
435  }
436  nb_rois = sd->size / roi_size;
437 
438  qoffsets = av_mallocz_array(mbx * mby, sizeof(*qoffsets));
439  if (!qoffsets)
440  return AVERROR(ENOMEM);
441 
442  // This list must be iterated in reverse because the first
443  // region in the list applies when regions overlap.
444  for (int i = nb_rois - 1; i >= 0; i--) {
445  int startx, endx, starty, endy;
446  float qoffset;
447 
448  roi = (const AVRegionOfInterest*)(sd->data + roi_size * i);
449 
450  starty = FFMIN(mby, roi->top / mb_size);
451  endy = FFMIN(mby, (roi->bottom + mb_size - 1)/ mb_size);
452  startx = FFMIN(mbx, roi->left / mb_size);
453  endx = FFMIN(mbx, (roi->right + mb_size - 1)/ mb_size);
454 
455  if (roi->qoffset.den == 0) {
456  av_free(qoffsets);
457  av_log(ctx, AV_LOG_ERROR, "AVRegionOfInterest.qoffset.den must not be zero.\n");
458  return AVERROR(EINVAL);
459  }
460  qoffset = roi->qoffset.num * 1.0f / roi->qoffset.den;
461  qoffset = av_clipf(qoffset * qp_range, -qp_range, +qp_range);
462 
463  for (int y = starty; y < endy; y++)
464  for (int x = startx; x < endx; x++)
465  qoffsets[x + y*mbx] = qoffset;
466  }
467 
468  pic->quantOffsets = qoffsets;
469  }
470  }
471  return 0;
472 }
473 
475  const AVFrame *pic, int *got_packet)
476 {
477  libx265Context *ctx = avctx->priv_data;
478  x265_picture x265pic;
479 #if (X265_BUILD >= 210) && (X265_BUILD < 213)
480  x265_picture x265pic_layers_out[MAX_SCALABLE_LAYERS];
481  x265_picture* x265pic_lyrptr_out[MAX_SCALABLE_LAYERS];
482 #else
483  x265_picture x265pic_solo_out = { 0 };
484 #endif
485  x265_picture* x265pic_out;
486  x265_nal *nal;
487  uint8_t *dst;
488  int pict_type;
489  int payload = 0;
490  int nnal;
491  int ret;
492  int i;
493 
494  ctx->api->picture_init(ctx->params, &x265pic);
495 
496  if (pic) {
497  for (i = 0; i < 3; i++) {
498  x265pic.planes[i] = pic->data[i];
499  x265pic.stride[i] = pic->linesize[i];
500  }
501 
502  x265pic.pts = pic->pts;
503  x265pic.bitDepth = av_pix_fmt_desc_get(avctx->pix_fmt)->comp[0].depth;
504 
505  x265pic.sliceType = pic->pict_type == AV_PICTURE_TYPE_I ?
506  (ctx->forced_idr ? X265_TYPE_IDR : X265_TYPE_I) :
507  pic->pict_type == AV_PICTURE_TYPE_P ? X265_TYPE_P :
508  pic->pict_type == AV_PICTURE_TYPE_B ? X265_TYPE_B :
509  X265_TYPE_AUTO;
510 
511  ret = libx265_encode_set_roi(ctx, pic, &x265pic);
512  if (ret < 0)
513  return ret;
514 
515  if (pic->reordered_opaque) {
516  x265pic.userData = av_malloc(sizeof(pic->reordered_opaque));
517  if (!x265pic.userData) {
518  av_freep(&x265pic.quantOffsets);
519  return AVERROR(ENOMEM);
520  }
521 
522  memcpy(x265pic.userData, &pic->reordered_opaque, sizeof(pic->reordered_opaque));
523  }
524  }
525 
526 #if (X265_BUILD >= 210) && (X265_BUILD < 213)
527  for (i = 0; i < MAX_SCALABLE_LAYERS; i++)
528  x265pic_lyrptr_out[i] = &x265pic_layers_out[i];
529 
530  ret = ctx->api->encoder_encode(ctx->encoder, &nal, &nnal,
531  pic ? &x265pic : NULL, x265pic_lyrptr_out);
532 #else
533  ret = ctx->api->encoder_encode(ctx->encoder, &nal, &nnal,
534  pic ? &x265pic : NULL, &x265pic_solo_out);
535 #endif
536 
537  av_freep(&x265pic.quantOffsets);
538 
539  if (ret < 0)
540  return AVERROR_EXTERNAL;
541 
542  if (!nnal)
543  return 0;
544 
545  for (i = 0; i < nnal; i++)
546  payload += nal[i].sizeBytes;
547 
548  ret = ff_alloc_packet2(avctx, pkt, payload, payload);
549  if (ret < 0) {
550  av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
551  return ret;
552  }
553  dst = pkt->data;
554 
555  for (i = 0; i < nnal; i++) {
556  memcpy(dst, nal[i].payload, nal[i].sizeBytes);
557  dst += nal[i].sizeBytes;
558 
559  if (is_keyframe(nal[i].type))
561  }
562 
563 #if (X265_BUILD >= 210) && (X265_BUILD < 213)
564  x265pic_out = x265pic_lyrptr_out[0];
565 #else
566  x265pic_out = &x265pic_solo_out;
567 #endif
568 
569  pkt->pts = x265pic_out->pts;
570  pkt->dts = x265pic_out->dts;
571 
572  switch (x265pic_out->sliceType) {
573  case X265_TYPE_IDR:
574  case X265_TYPE_I:
575  pict_type = AV_PICTURE_TYPE_I;
576  break;
577  case X265_TYPE_P:
578  pict_type = AV_PICTURE_TYPE_P;
579  break;
580  case X265_TYPE_B:
581  case X265_TYPE_BREF:
582  pict_type = AV_PICTURE_TYPE_B;
583  break;
584  default:
585  av_log(avctx, AV_LOG_ERROR, "Unknown picture type encountered.\n");
586  return AVERROR_EXTERNAL;
587  }
588 
589 #if FF_API_CODED_FRAME
591  avctx->coded_frame->pict_type = pict_type;
593 #endif
594 
595 #if X265_BUILD >= 130
596  if (x265pic_out->sliceType == X265_TYPE_B)
597 #else
598  if (x265pic_out->frameData.sliceType == 'b')
599 #endif
601 
602  ff_side_data_set_encoder_stats(pkt, x265pic_out->frameData.qp * FF_QP2LAMBDA, NULL, 0, pict_type);
603 
604  if (x265pic_out->userData) {
605  memcpy(&avctx->reordered_opaque, x265pic_out->userData, sizeof(avctx->reordered_opaque));
606  av_freep(&x265pic_out->userData);
607  } else
608  avctx->reordered_opaque = 0;
609 
610  *got_packet = 1;
611  return 0;
612 }
613 
614 static const enum AVPixelFormat x265_csp_eight[] = {
624 };
625 
626 static const enum AVPixelFormat x265_csp_ten[] = {
641 };
642 
643 static const enum AVPixelFormat x265_csp_twelve[] = {
663 };
664 
666 {
667  if (x265_api_get(12))
668  codec->pix_fmts = x265_csp_twelve;
669  else if (x265_api_get(10))
670  codec->pix_fmts = x265_csp_ten;
671  else if (x265_api_get(8))
672  codec->pix_fmts = x265_csp_eight;
673 }
674 
675 #define OFFSET(x) offsetof(libx265Context, x)
676 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
677 static const AVOption options[] = {
678  { "crf", "set the x265 crf", OFFSET(crf), AV_OPT_TYPE_FLOAT, { .dbl = -1 }, -1, FLT_MAX, VE },
679  { "qp", "set the x265 qp", OFFSET(cqp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE },
680  { "forced-idr", "if forcing keyframes, force them as IDR frames", OFFSET(forced_idr),AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
681  { "preset", "set the x265 preset", OFFSET(preset), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
682  { "tune", "set the x265 tune parameter", OFFSET(tune), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
683  { "profile", "set the x265 profile", OFFSET(profile), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
684  { "x265-params", "set the x265 configuration using a :-separated list of key=value parameters", OFFSET(x265_opts), AV_OPT_TYPE_DICT, { 0 }, 0, 0, VE },
685  { NULL }
686 };
687 
688 static const AVClass class = {
689  .class_name = "libx265",
690  .item_name = av_default_item_name,
691  .option = options,
693 };
694 
695 static const AVCodecDefault x265_defaults[] = {
696  { "b", "0" },
697  { "bf", "-1" },
698  { "g", "-1" },
699  { "keyint_min", "-1" },
700  { "refs", "-1" },
701  { "qmin", "-1" },
702  { "qmax", "-1" },
703  { "qdiff", "-1" },
704  { "qblur", "-1" },
705  { "qcomp", "-1" },
706  { "i_qfactor", "-1" },
707  { "b_qfactor", "-1" },
708  { NULL },
709 };
710 
712  .name = "libx265",
713  .long_name = NULL_IF_CONFIG_SMALL("libx265 H.265 / HEVC"),
714  .type = AVMEDIA_TYPE_VIDEO,
715  .id = AV_CODEC_ID_HEVC,
716  .init = libx265_encode_init,
717  .init_static_data = libx265_encode_init_csp,
718  .encode2 = libx265_encode_frame,
719  .close = libx265_encode_close,
720  .priv_data_size = sizeof(libx265Context),
721  .priv_class = &class,
725  .caps_internal = FF_CODEC_CAP_AUTO_THREADS,
726  .wrapper_name = "libx265",
727 };
static const AVCodecDefault defaults[]
Definition: amfenc_h264.c:361
#define av_cold
Definition: attributes.h:88
uint8_t
Libavcodec external API header.
int ff_side_data_set_encoder_stats(AVPacket *pkt, int quality, int64_t *error, int error_count, int pict_type)
Definition: avpacket.c:820
common internal and external API header
#define FFMIN(a, b)
Definition: common.h:105
#define av_clipf
Definition: common.h:170
#define NULL
Definition: coverity.c:32
static AVFrame * frame
int ff_alloc_packet2(AVCodecContext *avctx, AVPacket *avpkt, int64_t size, int64_t min_size)
Check AVPacket size and/or allocate data.
Definition: encode.c:33
double value
Definition: eval.c:98
@ AV_OPT_TYPE_INT
Definition: opt.h:225
@ AV_OPT_TYPE_FLOAT
Definition: opt.h:228
@ AV_OPT_TYPE_DICT
Definition: opt.h:232
@ AV_OPT_TYPE_BOOL
Definition: opt.h:242
@ AV_OPT_TYPE_STRING
Definition: opt.h:229
#define AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE
This codec takes the reordered_opaque field from input AVFrames and returns it in the corresponding f...
Definition: codec.h:171
#define AV_CODEC_CAP_OTHER_THREADS
Codec supports multithreading through a method other than slice- or frame-level multithreading.
Definition: codec.h:122
#define AV_CODEC_CAP_DELAY
Encoder or decoder requires flushing with NULL input at the end in order to give the complete and cor...
Definition: codec.h:77
#define AV_CODEC_FLAG_CLOSED_GOP
Definition: avcodec.h:343
#define AV_CODEC_FLAG_GLOBAL_HEADER
Place global headers in extradata instead of every keyframe.
Definition: avcodec.h:329
#define AV_CODEC_FLAG_PSNR
error[?] variables will be set during encoding.
Definition: avcodec.h:312
@ AV_CODEC_ID_HEVC
Definition: codec_id.h:223
#define AV_INPUT_BUFFER_PADDING_SIZE
Required number of additionally allocated bytes at the end of the input bitstream for decoding.
Definition: avcodec.h:215
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
Definition: packet.h:410
#define AV_PKT_FLAG_DISPOSABLE
Flag is used to indicate packets that contain frames that can be discarded by the decoder.
Definition: packet.h:429
#define AV_DICT_IGNORE_SUFFIX
Return first entry in a dictionary whose first part corresponds to the search key,...
Definition: dict.h:70
AVDictionaryEntry * av_dict_get(const AVDictionary *m, const char *key, const AVDictionaryEntry *prev, int flags)
Get a dictionary entry with matching key.
Definition: dict.c:40
#define FF_QP2LAMBDA
factor to convert from H.263 QP to lambda
Definition: avutil.h:227
#define AVERROR_EXTERNAL
Generic error in an external library.
Definition: error.h:57
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
#define AVERROR(e)
Definition: error.h:43
AVFrameSideData * av_frame_get_side_data(const AVFrame *frame, enum AVFrameSideDataType type)
Definition: frame.c:738
@ AV_FRAME_DATA_REGIONS_OF_INTEREST
Regions Of Interest, the data is an array of AVRegionOfInterest type, the number of array element is ...
Definition: frame.h:181
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:200
#define AV_LOG_INFO
Standard information.
Definition: log.h:205
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:194
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:235
int av_reduce(int *dst_num, int *dst_den, int64_t num, int64_t den, int64_t max)
Reduce a fraction.
Definition: rational.c:35
void * av_mallocz_array(size_t nmemb, size_t size)
Allocate a memory block for an array with av_mallocz().
Definition: mem.c:190
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
@ AV_PICTURE_TYPE_I
Intra.
Definition: avutil.h:274
@ AV_PICTURE_TYPE_P
Predicted.
Definition: avutil.h:275
@ AV_PICTURE_TYPE_B
Bi-dir predicted.
Definition: avutil.h:276
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
cl_device_type type
const char * key
int i
Definition: input.c:407
AVCPBProperties * ff_add_cpb_side_data(AVCodecContext *avctx)
Add a CPB properties side data to an encoding context.
Definition: utils.c:1067
#define FF_CODEC_CAP_AUTO_THREADS
Codec handles avctx->thread_count == 0 (auto) internally.
Definition: internal.h:80
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117
#define FF_DISABLE_DEPRECATION_WARNINGS
Definition: internal.h:83
#define FF_ENABLE_DEPRECATION_WARNINGS
Definition: internal.h:84
static av_cold void libx265_encode_init_csp(AVCodec *codec)
Definition: libx265.c:665
static int is_keyframe(NalUnitType naltype)
Definition: libx265.c:60
static av_cold int libx265_encode_set_roi(libx265Context *ctx, const AVFrame *frame, x265_picture *pic)
Definition: libx265.c:410
static const AVOption options[]
Definition: libx265.c:677
static enum AVPixelFormat x265_csp_eight[]
Definition: libx265.c:614
#define VE
Definition: libx265.c:676
static int libx265_encode_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *pic, int *got_packet)
Definition: libx265.c:474
static av_cold int libx265_encode_init(AVCodecContext *avctx)
Definition: libx265.c:117
static av_cold int libx265_param_parse_float(AVCodecContext *avctx, const char *key, float value)
Definition: libx265.c:87
static enum AVPixelFormat x265_csp_twelve[]
Definition: libx265.c:643
static enum AVPixelFormat x265_csp_ten[]
Definition: libx265.c:626
static av_cold int libx265_encode_close(AVCodecContext *avctx)
Definition: libx265.c:75
#define OFFSET(x)
Definition: libx265.c:675
static const AVCodecDefault x265_defaults[]
Definition: libx265.c:695
static av_cold int libx265_param_parse_int(AVCodecContext *avctx, const char *key, int value)
Definition: libx265.c:102
AVCodec ff_libx265_encoder
Definition: libx265.c:711
AVOptions.
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2573
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:406
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:399
@ AVCOL_RANGE_JPEG
Full range content.
Definition: pixfmt.h:586
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:403
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:404
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:415
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:400
#define AV_PIX_FMT_GRAY12
Definition: pixfmt.h:381
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:416
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:65
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
@ AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
@ AV_PIX_FMT_GRAY8
Y , 8bpp.
Definition: pixfmt.h:74
@ AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:71
@ AV_PIX_FMT_YUVJ422P
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
Definition: pixfmt.h:79
@ AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:168
@ AV_PIX_FMT_YUVJ444P
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:80
@ AV_PIX_FMT_YUVJ420P
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:78
#define AV_PIX_FMT_GRAY10
Definition: pixfmt.h:380
@ AVCOL_PRI_SMPTE432
SMPTE ST 432-1 (2010) / P3 D65 / Display P3.
Definition: pixfmt.h:473
@ AVCOL_PRI_UNSPECIFIED
Definition: pixfmt.h:461
@ AVCOL_TRC_ARIB_STD_B67
ARIB STD-B67, known as "Hybrid log-gamma".
Definition: pixfmt.h:504
@ AVCOL_TRC_UNSPECIFIED
Definition: pixfmt.h:486
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:402
@ AVCOL_SPC_RGB
order of coefficients is actually GBR, also IEC 61966-2-1 (sRGB)
Definition: pixfmt.h:513
@ AVCOL_SPC_UNSPECIFIED
Definition: pixfmt.h:515
@ AVCOL_SPC_ICTCP
ITU-R BT.2100-0, ICtCp.
Definition: pixfmt.h:528
mfxU16 profile
Definition: qsvenc.c:45
#define snprintf
Definition: snprintf.h:34
This structure describes the bitrate properties of an encoded bitstream.
Definition: avcodec.h:453
int avg_bitrate
Average bitrate of the stream, in bits per second.
Definition: avcodec.h:477
int buffer_size
The size of the buffer to which the ratecontrol is applied, in bits.
Definition: avcodec.h:486
int max_bitrate
Maximum bitrate of the stream, in bits per second.
Definition: avcodec.h:459
Describe the class of an AVClass context structure.
Definition: log.h:67
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
Definition: log.h:72
main external API structure.
Definition: avcodec.h:536
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:746
int max_qdiff
maximum quantizer difference between frames
Definition: avcodec.h:1398
int width
picture width / height.
Definition: avcodec.h:709
int rc_buffer_size
decoder bitstream buffer size
Definition: avcodec.h:1405
enum AVColorRange color_range
MPEG vs JPEG YUV range.
Definition: avcodec.h:1171
enum AVColorPrimaries color_primaries
Chromaticity coordinates of the source primaries.
Definition: avcodec.h:1150
int max_b_frames
maximum number of B-frames between non-B-frames Note: The output will be delayed by max_b_frames+1 re...
Definition: avcodec.h:796
int qmin
minimum quantizer
Definition: avcodec.h:1384
int keyint_min
minimum GOP size
Definition: avcodec.h:1117
float b_quant_factor
qscale factor between IP and B-frames If > 0 then the last P-frame quantizer will be used (q= lastp_q...
Definition: avcodec.h:805
AVRational framerate
Definition: avcodec.h:2075
AVRational sample_aspect_ratio
sample aspect ratio (0 if unknown) That is the width of a pixel divided by the height of the pixel.
Definition: avcodec.h:915
attribute_deprecated AVFrame * coded_frame
the picture in the bitstream
Definition: avcodec.h:1768
int ticks_per_frame
For some codecs, the time base is closer to the field rate than the frame rate.
Definition: avcodec.h:668
int64_t reordered_opaque
opaque 64-bit number (generally a PTS) that will be reordered and output in AVFrame....
Definition: avcodec.h:1677
int64_t bit_rate
the average bitrate
Definition: avcodec.h:586
int rc_initial_buffer_occupancy
Number of bits which should be loaded into the rc buffer before decoding starts.
Definition: avcodec.h:1448
enum AVColorSpace colorspace
YUV colorspace type.
Definition: avcodec.h:1164
int gop_size
the number of pictures in a group of pictures, or 0 for intra_only
Definition: avcodec.h:731
int refs
number of reference frames
Definition: avcodec.h:1124
int64_t rc_max_rate
maximum bitrate
Definition: avcodec.h:1420
int thread_count
thread count is used to decide how many independent tasks should be passed to execute()
Definition: avcodec.h:1777
int qmax
maximum quantizer
Definition: avcodec.h:1391
enum AVColorTransferCharacteristic color_trc
Color Transfer Characteristic.
Definition: avcodec.h:1157
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented.
Definition: avcodec.h:659
int flags
AV_CODEC_FLAG_*.
Definition: avcodec.h:616
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
Definition: avcodec.h:637
float qcompress
amount of qscale change between easy & hard scenes (0.0-1.0)
Definition: avcodec.h:1376
float qblur
amount of qscale smoothing over time (0.0-1.0)
Definition: avcodec.h:1377
int extradata_size
Definition: avcodec.h:638
float i_quant_factor
qscale factor between P- and I-frames If > 0 then the last P-frame quantizer will be used (q = lastp_...
Definition: avcodec.h:841
void * priv_data
Definition: avcodec.h:563
AVCodec.
Definition: codec.h:197
enum AVPixelFormat * pix_fmts
array of supported pixel formats, or NULL if unknown, array is terminated by -1
Definition: codec.h:218
const char * name
Name of the codec implementation.
Definition: codec.h:204
int depth
Number of bits in the component.
Definition: pixdesc.h:58
char * key
Definition: dict.h:82
char * value
Definition: dict.h:83
Structure to hold side data for an AVFrame.
Definition: frame.h:220
uint8_t * data
Definition: frame.h:222
This structure describes decoded (raw) audio or video data.
Definition: frame.h:318
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:411
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:332
int width
Definition: frame.h:376
int height
Definition: frame.h:376
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:349
int64_t reordered_opaque
reordered opaque 64 bits (generally an integer or a double precision float PTS but can be anything).
Definition: frame.h:485
enum AVPictureType pict_type
Picture type of the frame.
Definition: frame.h:401
AVOption.
Definition: opt.h:248
This structure stores compressed data.
Definition: packet.h:346
int flags
A combination of AV_PKT_FLAG values.
Definition: packet.h:375
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
Definition: packet.h:362
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed.
Definition: packet.h:368
uint8_t * data
Definition: packet.h:369
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:117
int num
Numerator.
Definition: rational.h:59
int den
Denominator.
Definition: rational.h:60
Structure describing a single Region Of Interest.
Definition: frame.h:243
uint32_t self_size
Must be set to the size of this data structure (that is, sizeof(AVRegionOfInterest)).
Definition: frame.h:248
AVRational qoffset
Quantisation offset.
Definition: frame.h:285
int top
Distance in pixels from the top edge of the frame to the top and bottom edges and from the left edge ...
Definition: frame.h:258
char * tune
Definition: libx265.c:49
const x265_api * api
Definition: libx265.c:43
x265_param * params
Definition: libx265.c:42
x265_encoder * encoder
Definition: libx265.c:41
float crf
Definition: libx265.c:45
char * profile
Definition: libx265.c:50
AVDictionary * x265_opts
Definition: libx265.c:51
int roi_warned
If the encoder does not support ROI then warn the first time we encounter a frame with ROI side data.
Definition: libx265.c:57
int forced_idr
Definition: libx265.c:47
char * preset
Definition: libx265.c:48
#define av_free(p)
#define av_freep(p)
#define av_malloc(s)
#define av_log(a,...)
AVPacket * pkt
Definition: movenc.c:59
AVFormatContext * ctx
Definition: movenc.c:48
preset
Definition: vf_curves.c:46
if(ret< 0)
Definition: vf_mcdeint.c:282