FFmpeg  4.2.2
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 
37 typedef struct libx265Context {
38  const AVClass *class;
39 
40  x265_encoder *encoder;
41  x265_param *params;
42  const x265_api *api;
43 
44  float crf;
46  char *preset;
47  char *tune;
48  char *profile;
49  char *x265_opts;
51 
52 static int is_keyframe(NalUnitType naltype)
53 {
54  switch (naltype) {
55  case NAL_UNIT_CODED_SLICE_BLA_W_LP:
56  case NAL_UNIT_CODED_SLICE_BLA_W_RADL:
57  case NAL_UNIT_CODED_SLICE_BLA_N_LP:
58  case NAL_UNIT_CODED_SLICE_IDR_W_RADL:
59  case NAL_UNIT_CODED_SLICE_IDR_N_LP:
60  case NAL_UNIT_CODED_SLICE_CRA:
61  return 1;
62  default:
63  return 0;
64  }
65 }
66 
68 {
69  libx265Context *ctx = avctx->priv_data;
70 
71  ctx->api->param_free(ctx->params);
72 
73  if (ctx->encoder)
74  ctx->api->encoder_close(ctx->encoder);
75 
76  return 0;
77 }
78 
80 {
81  libx265Context *ctx = avctx->priv_data;
82  AVCPBProperties *cpb_props = NULL;
83 
84  ctx->api = x265_api_get(av_pix_fmt_desc_get(avctx->pix_fmt)->comp[0].depth);
85  if (!ctx->api)
86  ctx->api = x265_api_get(0);
87 
88  ctx->params = ctx->api->param_alloc();
89  if (!ctx->params) {
90  av_log(avctx, AV_LOG_ERROR, "Could not allocate x265 param structure.\n");
91  return AVERROR(ENOMEM);
92  }
93 
94  if (ctx->api->param_default_preset(ctx->params, ctx->preset, ctx->tune) < 0) {
95  int i;
96 
97  av_log(avctx, AV_LOG_ERROR, "Error setting preset/tune %s/%s.\n", ctx->preset, ctx->tune);
98  av_log(avctx, AV_LOG_INFO, "Possible presets:");
99  for (i = 0; x265_preset_names[i]; i++)
100  av_log(avctx, AV_LOG_INFO, " %s", x265_preset_names[i]);
101 
102  av_log(avctx, AV_LOG_INFO, "\n");
103  av_log(avctx, AV_LOG_INFO, "Possible tunes:");
104  for (i = 0; x265_tune_names[i]; i++)
105  av_log(avctx, AV_LOG_INFO, " %s", x265_tune_names[i]);
106 
107  av_log(avctx, AV_LOG_INFO, "\n");
108 
109  return AVERROR(EINVAL);
110  }
111 
112  ctx->params->frameNumThreads = avctx->thread_count;
113  if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
114  ctx->params->fpsNum = avctx->framerate.num;
115  ctx->params->fpsDenom = avctx->framerate.den;
116  } else {
117  ctx->params->fpsNum = avctx->time_base.den;
118  ctx->params->fpsDenom = avctx->time_base.num * avctx->ticks_per_frame;
119  }
120  ctx->params->sourceWidth = avctx->width;
121  ctx->params->sourceHeight = avctx->height;
122  ctx->params->bEnablePsnr = !!(avctx->flags & AV_CODEC_FLAG_PSNR);
123  ctx->params->bOpenGOP = !(avctx->flags & AV_CODEC_FLAG_CLOSED_GOP);
124 
125  /* Tune the CTU size based on input resolution. */
126  if (ctx->params->sourceWidth < 64 || ctx->params->sourceHeight < 64)
127  ctx->params->maxCUSize = 32;
128  if (ctx->params->sourceWidth < 32 || ctx->params->sourceHeight < 32)
129  ctx->params->maxCUSize = 16;
130  if (ctx->params->sourceWidth < 16 || ctx->params->sourceHeight < 16) {
131  av_log(avctx, AV_LOG_ERROR, "Image size is too small (%dx%d).\n",
132  ctx->params->sourceWidth, ctx->params->sourceHeight);
133  return AVERROR(EINVAL);
134  }
135 
136 
137  ctx->params->vui.bEnableVideoSignalTypePresentFlag = 1;
138 
139  ctx->params->vui.bEnableVideoFullRangeFlag = avctx->pix_fmt == AV_PIX_FMT_YUVJ420P ||
140  avctx->pix_fmt == AV_PIX_FMT_YUVJ422P ||
141  avctx->pix_fmt == AV_PIX_FMT_YUVJ444P ||
142  avctx->color_range == AVCOL_RANGE_JPEG;
143 
144  if ((avctx->color_primaries <= AVCOL_PRI_SMPTE432 &&
146  (avctx->color_trc <= AVCOL_TRC_ARIB_STD_B67 &&
147  avctx->color_trc != AVCOL_TRC_UNSPECIFIED) ||
148  (avctx->colorspace <= AVCOL_SPC_ICTCP &&
149  avctx->colorspace != AVCOL_SPC_UNSPECIFIED)) {
150 
151  ctx->params->vui.bEnableColorDescriptionPresentFlag = 1;
152 
153  // x265 validates the parameters internally
154  ctx->params->vui.colorPrimaries = avctx->color_primaries;
155  ctx->params->vui.transferCharacteristics = avctx->color_trc;
156  ctx->params->vui.matrixCoeffs = avctx->colorspace;
157  }
158 
159  if (avctx->sample_aspect_ratio.num > 0 && avctx->sample_aspect_ratio.den > 0) {
160  char sar[12];
161  int sar_num, sar_den;
162 
163  av_reduce(&sar_num, &sar_den,
164  avctx->sample_aspect_ratio.num,
165  avctx->sample_aspect_ratio.den, 65535);
166  snprintf(sar, sizeof(sar), "%d:%d", sar_num, sar_den);
167  if (ctx->api->param_parse(ctx->params, "sar", sar) == X265_PARAM_BAD_VALUE) {
168  av_log(avctx, AV_LOG_ERROR, "Invalid SAR: %d:%d.\n", sar_num, sar_den);
169  return AVERROR_INVALIDDATA;
170  }
171  }
172 
173  switch (avctx->pix_fmt) {
174  case AV_PIX_FMT_YUV420P:
177  ctx->params->internalCsp = X265_CSP_I420;
178  break;
179  case AV_PIX_FMT_YUV422P:
182  ctx->params->internalCsp = X265_CSP_I422;
183  break;
184  case AV_PIX_FMT_GBRP:
185  case AV_PIX_FMT_GBRP10:
186  case AV_PIX_FMT_GBRP12:
187  ctx->params->vui.matrixCoeffs = AVCOL_SPC_RGB;
188  ctx->params->vui.bEnableVideoSignalTypePresentFlag = 1;
189  ctx->params->vui.bEnableColorDescriptionPresentFlag = 1;
190  case AV_PIX_FMT_YUV444P:
193  ctx->params->internalCsp = X265_CSP_I444;
194  break;
195  case AV_PIX_FMT_GRAY8:
196  case AV_PIX_FMT_GRAY10:
197  case AV_PIX_FMT_GRAY12:
198  if (ctx->api->api_build_number < 85) {
199  av_log(avctx, AV_LOG_ERROR,
200  "libx265 version is %d, must be at least 85 for gray encoding.\n",
201  ctx->api->api_build_number);
202  return AVERROR_INVALIDDATA;
203  }
204  ctx->params->internalCsp = X265_CSP_I400;
205  break;
206  }
207 
208  if (ctx->crf >= 0) {
209  char crf[6];
210 
211  snprintf(crf, sizeof(crf), "%2.2f", ctx->crf);
212  if (ctx->api->param_parse(ctx->params, "crf", crf) == X265_PARAM_BAD_VALUE) {
213  av_log(avctx, AV_LOG_ERROR, "Invalid crf: %2.2f.\n", ctx->crf);
214  return AVERROR(EINVAL);
215  }
216  } else if (avctx->bit_rate > 0) {
217  ctx->params->rc.bitrate = avctx->bit_rate / 1000;
218  ctx->params->rc.rateControlMode = X265_RC_ABR;
219  }
220 
221  ctx->params->rc.vbvBufferSize = avctx->rc_buffer_size / 1000;
222  ctx->params->rc.vbvMaxBitrate = avctx->rc_max_rate / 1000;
223 
224  cpb_props = ff_add_cpb_side_data(avctx);
225  if (!cpb_props)
226  return AVERROR(ENOMEM);
227  cpb_props->buffer_size = ctx->params->rc.vbvBufferSize * 1000;
228  cpb_props->max_bitrate = ctx->params->rc.vbvMaxBitrate * 1000;
229  cpb_props->avg_bitrate = ctx->params->rc.bitrate * 1000;
230 
231  if (!(avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER))
232  ctx->params->bRepeatHeaders = 1;
233 
234  if (ctx->x265_opts) {
235  AVDictionary *dict = NULL;
236  AVDictionaryEntry *en = NULL;
237 
238  if (!av_dict_parse_string(&dict, ctx->x265_opts, "=", ":", 0)) {
239  while ((en = av_dict_get(dict, "", en, AV_DICT_IGNORE_SUFFIX))) {
240  int parse_ret = ctx->api->param_parse(ctx->params, en->key, en->value);
241 
242  switch (parse_ret) {
243  case X265_PARAM_BAD_NAME:
244  av_log(avctx, AV_LOG_WARNING,
245  "Unknown option: %s.\n", en->key);
246  break;
247  case X265_PARAM_BAD_VALUE:
248  av_log(avctx, AV_LOG_WARNING,
249  "Invalid value for %s: %s.\n", en->key, en->value);
250  break;
251  default:
252  break;
253  }
254  }
255  av_dict_free(&dict);
256  }
257  }
258 
259  if (ctx->params->rc.vbvBufferSize && avctx->rc_initial_buffer_occupancy > 1000 &&
260  ctx->params->rc.vbvBufferInit == 0.9) {
261  ctx->params->rc.vbvBufferInit = (float)avctx->rc_initial_buffer_occupancy / 1000;
262  }
263 
264  if (ctx->profile) {
265  if (ctx->api->param_apply_profile(ctx->params, ctx->profile) < 0) {
266  int i;
267  av_log(avctx, AV_LOG_ERROR, "Invalid or incompatible profile set: %s.\n", ctx->profile);
268  av_log(avctx, AV_LOG_INFO, "Possible profiles:");
269  for (i = 0; x265_profile_names[i]; i++)
270  av_log(avctx, AV_LOG_INFO, " %s", x265_profile_names[i]);
271  av_log(avctx, AV_LOG_INFO, "\n");
272  return AVERROR(EINVAL);
273  }
274  }
275 
276  ctx->encoder = ctx->api->encoder_open(ctx->params);
277  if (!ctx->encoder) {
278  av_log(avctx, AV_LOG_ERROR, "Cannot open libx265 encoder.\n");
279  libx265_encode_close(avctx);
280  return AVERROR_INVALIDDATA;
281  }
282 
283  if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
284  x265_nal *nal;
285  int nnal;
286 
287  avctx->extradata_size = ctx->api->encoder_headers(ctx->encoder, &nal, &nnal);
288  if (avctx->extradata_size <= 0) {
289  av_log(avctx, AV_LOG_ERROR, "Cannot encode headers.\n");
290  libx265_encode_close(avctx);
291  return AVERROR_INVALIDDATA;
292  }
293 
295  if (!avctx->extradata) {
296  av_log(avctx, AV_LOG_ERROR,
297  "Cannot allocate HEVC header of size %d.\n", avctx->extradata_size);
298  libx265_encode_close(avctx);
299  return AVERROR(ENOMEM);
300  }
301 
302  memcpy(avctx->extradata, nal[0].payload, avctx->extradata_size);
303  }
304 
305  return 0;
306 }
307 
308 static av_cold int libx265_encode_set_roi(libx265Context *ctx, const AVFrame *frame, x265_picture* pic)
309 {
311  if (sd) {
312  if (ctx->params->rc.aqMode == X265_AQ_NONE) {
313  av_log(ctx, AV_LOG_WARNING, "Adaptive quantization must be enabled to use ROI encoding, skipping ROI.\n");
314  } else {
315  /* 8x8 block when qg-size is 8, 16*16 block otherwise. */
316  int mb_size = (ctx->params->rc.qgSize == 8) ? 8 : 16;
317  int mbx = (frame->width + mb_size - 1) / mb_size;
318  int mby = (frame->height + mb_size - 1) / mb_size;
319  int qp_range = 51 + 6 * (pic->bitDepth - 8);
320  int nb_rois;
321  const AVRegionOfInterest *roi;
322  uint32_t roi_size;
323  float *qoffsets; /* will be freed after encode is called. */
324 
325  roi = (const AVRegionOfInterest*)sd->data;
326  roi_size = roi->self_size;
327  if (!roi_size || sd->size % roi_size != 0) {
328  av_log(ctx, AV_LOG_ERROR, "Invalid AVRegionOfInterest.self_size.\n");
329  return AVERROR(EINVAL);
330  }
331  nb_rois = sd->size / roi_size;
332 
333  qoffsets = av_mallocz_array(mbx * mby, sizeof(*qoffsets));
334  if (!qoffsets)
335  return AVERROR(ENOMEM);
336 
337  // This list must be iterated in reverse because the first
338  // region in the list applies when regions overlap.
339  for (int i = nb_rois - 1; i >= 0; i--) {
340  int startx, endx, starty, endy;
341  float qoffset;
342 
343  roi = (const AVRegionOfInterest*)(sd->data + roi_size * i);
344 
345  starty = FFMIN(mby, roi->top / mb_size);
346  endy = FFMIN(mby, (roi->bottom + mb_size - 1)/ mb_size);
347  startx = FFMIN(mbx, roi->left / mb_size);
348  endx = FFMIN(mbx, (roi->right + mb_size - 1)/ mb_size);
349 
350  if (roi->qoffset.den == 0) {
351  av_free(qoffsets);
352  av_log(ctx, AV_LOG_ERROR, "AVRegionOfInterest.qoffset.den must not be zero.\n");
353  return AVERROR(EINVAL);
354  }
355  qoffset = roi->qoffset.num * 1.0f / roi->qoffset.den;
356  qoffset = av_clipf(qoffset * qp_range, -qp_range, +qp_range);
357 
358  for (int y = starty; y < endy; y++)
359  for (int x = startx; x < endx; x++)
360  qoffsets[x + y*mbx] = qoffset;
361  }
362 
363  pic->quantOffsets = qoffsets;
364  }
365  }
366  return 0;
367 }
368 
370  const AVFrame *pic, int *got_packet)
371 {
372  libx265Context *ctx = avctx->priv_data;
373  x265_picture x265pic;
374  x265_picture x265pic_out = { 0 };
375  x265_nal *nal;
376  uint8_t *dst;
377  int payload = 0;
378  int nnal;
379  int ret;
380  int i;
381 
382  ctx->api->picture_init(ctx->params, &x265pic);
383 
384  if (pic) {
385  for (i = 0; i < 3; i++) {
386  x265pic.planes[i] = pic->data[i];
387  x265pic.stride[i] = pic->linesize[i];
388  }
389 
390  x265pic.pts = pic->pts;
391  x265pic.bitDepth = av_pix_fmt_desc_get(avctx->pix_fmt)->comp[0].depth;
392 
393  x265pic.sliceType = pic->pict_type == AV_PICTURE_TYPE_I ?
394  (ctx->forced_idr ? X265_TYPE_IDR : X265_TYPE_I) :
395  pic->pict_type == AV_PICTURE_TYPE_P ? X265_TYPE_P :
396  pic->pict_type == AV_PICTURE_TYPE_B ? X265_TYPE_B :
397  X265_TYPE_AUTO;
398 
399  ret = libx265_encode_set_roi(ctx, pic, &x265pic);
400  if (ret < 0)
401  return ret;
402  }
403 
404  ret = ctx->api->encoder_encode(ctx->encoder, &nal, &nnal,
405  pic ? &x265pic : NULL, &x265pic_out);
406 
407  av_freep(&x265pic.quantOffsets);
408 
409  if (ret < 0)
410  return AVERROR_EXTERNAL;
411 
412  if (!nnal)
413  return 0;
414 
415  for (i = 0; i < nnal; i++)
416  payload += nal[i].sizeBytes;
417 
418  ret = ff_alloc_packet2(avctx, pkt, payload, payload);
419  if (ret < 0) {
420  av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
421  return ret;
422  }
423  dst = pkt->data;
424 
425  for (i = 0; i < nnal; i++) {
426  memcpy(dst, nal[i].payload, nal[i].sizeBytes);
427  dst += nal[i].sizeBytes;
428 
429  if (is_keyframe(nal[i].type))
430  pkt->flags |= AV_PKT_FLAG_KEY;
431  }
432 
433  pkt->pts = x265pic_out.pts;
434  pkt->dts = x265pic_out.dts;
435 
436 #if FF_API_CODED_FRAME
438  switch (x265pic_out.sliceType) {
439  case X265_TYPE_IDR:
440  case X265_TYPE_I:
442  break;
443  case X265_TYPE_P:
445  break;
446  case X265_TYPE_B:
448  break;
449  }
451 #endif
452 
453 #if X265_BUILD >= 130
454  if (x265pic_out.sliceType == X265_TYPE_B)
455 #else
456  if (x265pic_out.frameData.sliceType == 'b')
457 #endif
459 
460  *got_packet = 1;
461  return 0;
462 }
463 
464 static const enum AVPixelFormat x265_csp_eight[] = {
474 };
475 
476 static const enum AVPixelFormat x265_csp_ten[] = {
491 };
492 
493 static const enum AVPixelFormat x265_csp_twelve[] = {
513 };
514 
516 {
517  if (x265_api_get(12))
518  codec->pix_fmts = x265_csp_twelve;
519  else if (x265_api_get(10))
520  codec->pix_fmts = x265_csp_ten;
521  else if (x265_api_get(8))
522  codec->pix_fmts = x265_csp_eight;
523 }
524 
525 #define OFFSET(x) offsetof(libx265Context, x)
526 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
527 static const AVOption options[] = {
528  { "crf", "set the x265 crf", OFFSET(crf), AV_OPT_TYPE_FLOAT, { .dbl = -1 }, -1, FLT_MAX, VE },
529  { "forced-idr", "if forcing keyframes, force them as IDR frames", OFFSET(forced_idr),AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
530  { "preset", "set the x265 preset", OFFSET(preset), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
531  { "tune", "set the x265 tune parameter", OFFSET(tune), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
532  { "profile", "set the x265 profile", OFFSET(profile), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
533  { "x265-params", "set the x265 configuration using a :-separated list of key=value parameters", OFFSET(x265_opts), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
534  { NULL }
535 };
536 
537 static const AVClass class = {
538  .class_name = "libx265",
539  .item_name = av_default_item_name,
540  .option = options,
542 };
543 
544 static const AVCodecDefault x265_defaults[] = {
545  { "b", "0" },
546  { NULL },
547 };
548 
550  .name = "libx265",
551  .long_name = NULL_IF_CONFIG_SMALL("libx265 H.265 / HEVC"),
552  .type = AVMEDIA_TYPE_VIDEO,
553  .id = AV_CODEC_ID_HEVC,
554  .init = libx265_encode_init,
555  .init_static_data = libx265_encode_init_csp,
556  .encode2 = libx265_encode_frame,
557  .close = libx265_encode_close,
558  .priv_data_size = sizeof(libx265Context),
559  .priv_class = &class,
560  .defaults = x265_defaults,
562  .wrapper_name = "libx265",
563 };
char * profile
Definition: libx265.c:48
#define NULL
Definition: coverity.c:32
static const AVOption options[]
Definition: libx265.c:527
AVRational framerate
Definition: avcodec.h:3105
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
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
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
AVOption.
Definition: opt.h:246
static int is_keyframe(NalUnitType naltype)
Definition: libx265.c:52
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
float crf
Definition: libx265.c:44
int max_bitrate
Maximum bitrate of the stream, in bits per second.
Definition: avcodec.h:1134
int rc_initial_buffer_occupancy
Number of bits which should be loaded into the rc buffer before decoding starts.
Definition: avcodec.h:2471
SMPTE ST 432-1 (2010) / P3 D65 / Display P3.
Definition: pixfmt.h:458
enum AVColorRange color_range
MPEG vs JPEG YUV range.
Definition: avcodec.h:2200
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:168
int num
Numerator.
Definition: rational.h:59
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:403
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:191
int forced_idr
Definition: libx265.c:45
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
x265_param * params
Definition: libx265.c:41
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:391
static AVPacket pkt
#define AV_CODEC_CAP_AUTO_THREADS
Codec supports avctx->thread_count == 0 (auto).
Definition: avcodec.h:1049
AVCodec.
Definition: avcodec.h:3481
order of coefficients is actually GBR, also IEC 61966-2-1 (sRGB)
Definition: pixfmt.h:497
#define AV_PKT_FLAG_DISPOSABLE
Flag is used to indicate packets that contain frames that can be discarded by the decoder...
Definition: avcodec.h:1528
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
#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
#define AV_PIX_FMT_GRAY12
Definition: pixfmt.h:369
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
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.
#define VE
Definition: libx265.c:526
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
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
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
Definition: pixfmt.h:79
char * x265_opts
Definition: libx265.c:49
int buffer_size
The size of the buffer to which the ratecontrol is applied, in bits.
Definition: avcodec.h:1161
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
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:392
#define av_log(a,...)
#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
int width
Definition: frame.h:353
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
#define AVERROR(e)
Definition: error.h:43
const x265_api * api
Definition: libx265.c:42
static int libx265_encode_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *pic, int *got_packet)
Definition: libx265.c:369
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:186
void av_dict_free(AVDictionary **pm)
Free all the memory allocated for an AVDictionary struct and all keys and values. ...
Definition: dict.c:203
int flags
AV_CODEC_FLAG_*.
Definition: avcodec.h:1645
const char * name
Name of the codec implementation.
Definition: avcodec.h:3488
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:390
static const AVCodecDefault defaults[]
Definition: amfenc_h264.c:361
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
common internal API header
static av_cold void libx265_encode_init_csp(AVCodec *codec)
Definition: libx265.c:515
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 FFMIN(a, b)
Definition: common.h:96
AVCodec ff_libx265_encoder
Definition: libx265.c:549
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:78
static av_cold int libx265_encode_init(AVCodecContext *avctx)
Definition: libx265.c:79
int width
picture width / height.
Definition: avcodec.h:1738
AVFormatContext * ctx
Definition: movenc.c:48
#define AV_CODEC_FLAG_PSNR
error[?] variables will be set during encoding.
Definition: avcodec.h:887
enum AVColorPrimaries color_primaries
Chromaticity coordinates of the source primaries.
Definition: avcodec.h:2179
Structure describing a single Region Of Interest.
Definition: frame.h:220
int ticks_per_frame
For some codecs, the time base is closer to the field rate than the frame rate.
Definition: avcodec.h:1697
static av_cold int libx265_encode_set_roi(libx265Context *ctx, const AVFrame *frame, x265_picture *pic)
Definition: libx265.c:308
#define OFFSET(x)
Definition: libx265.c:525
if(ret< 0)
Definition: vf_mcdeint.c:279
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
char * preset
Definition: libx265.c:46
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
ITU-R BT.2100-0, ICtCp.
Definition: pixfmt.h:512
#define AV_LOG_INFO
Standard information.
Definition: log.h:187
Libavcodec external API header.
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:326
main external API structure.
Definition: avcodec.h:1565
uint8_t * data
Definition: frame.h:203
int extradata_size
Definition: avcodec.h:1667
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:387
Describe the class of an AVClass context structure.
Definition: log.h:67
enum AVColorSpace colorspace
YUV colorspace type.
Definition: avcodec.h:2193
enum AVColorTransferCharacteristic color_trc
Color Transfer Characteristic.
Definition: avcodec.h:2186
static enum AVPixelFormat x265_csp_ten[]
Definition: libx265.c:476
Regions Of Interest, the data is an array of AVRegionOfInterest type, the number of array element is ...
Definition: frame.h:181
cl_device_type type
#define snprintf
Definition: snprintf.h:34
char * tune
Definition: libx265.c:47
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:404
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:388
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:394
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:309
#define AV_CODEC_FLAG_GLOBAL_HEADER
Place global headers in extradata instead of every keyframe.
Definition: avcodec.h:904
preset
Definition: vf_curves.c:46
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
common internal api header.
common internal and external API header
static enum AVPixelFormat x265_csp_twelve[]
Definition: libx265.c:493
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
attribute_deprecated AVFrame * coded_frame
the picture in the bitstream
Definition: avcodec.h:2815
char * key
Definition: dict.h:86
int den
Denominator.
Definition: rational.h:60
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
ARIB STD-B67, known as "Hybrid log-gamma".
Definition: pixfmt.h:488
void * priv_data
Definition: avcodec.h:1592
static const AVCodecDefault x265_defaults[]
Definition: libx265.c:544
#define av_free(p)
char * value
Definition: dict.h:87
#define FF_ENABLE_DEPRECATION_WARNINGS
Definition: internal.h:85
int avg_bitrate
Average bitrate of the stream, in bits per second.
Definition: avcodec.h:1152
static av_cold int libx265_encode_close(AVCodecContext *avctx)
Definition: libx265.c:67
static enum AVPixelFormat x265_csp_eight[]
Definition: libx265.c:464
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed...
Definition: avcodec.h:1476
int height
Definition: frame.h:353
#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
#define AV_CODEC_FLAG_CLOSED_GOP
Definition: avcodec.h:918
int depth
Number of bits in the component.
Definition: pixdesc.h:58
#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
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
int64_t rc_max_rate
maximum bitrate
Definition: avcodec.h:2443
void * av_mallocz_array(size_t nmemb, size_t size)
Allocate a memory block for an array with av_mallocz().
Definition: mem.c:191
x265_encoder * encoder
Definition: libx265.c:40