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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 
83  ctx->api = x265_api_get(av_pix_fmt_desc_get(avctx->pix_fmt)->comp[0].depth);
84  if (!ctx->api)
85  ctx->api = x265_api_get(0);
86 
87  ctx->params = ctx->api->param_alloc();
88  if (!ctx->params) {
89  av_log(avctx, AV_LOG_ERROR, "Could not allocate x265 param structure.\n");
90  return AVERROR(ENOMEM);
91  }
92 
93  if (ctx->api->param_default_preset(ctx->params, ctx->preset, ctx->tune) < 0) {
94  int i;
95 
96  av_log(avctx, AV_LOG_ERROR, "Error setting preset/tune %s/%s.\n", ctx->preset, ctx->tune);
97  av_log(avctx, AV_LOG_INFO, "Possible presets:");
98  for (i = 0; x265_preset_names[i]; i++)
99  av_log(avctx, AV_LOG_INFO, " %s", x265_preset_names[i]);
100 
101  av_log(avctx, AV_LOG_INFO, "\n");
102  av_log(avctx, AV_LOG_INFO, "Possible tunes:");
103  for (i = 0; x265_tune_names[i]; i++)
104  av_log(avctx, AV_LOG_INFO, " %s", x265_tune_names[i]);
105 
106  av_log(avctx, AV_LOG_INFO, "\n");
107 
108  return AVERROR(EINVAL);
109  }
110 
111  ctx->params->frameNumThreads = avctx->thread_count;
112  ctx->params->fpsNum = avctx->time_base.den;
113  ctx->params->fpsDenom = avctx->time_base.num * avctx->ticks_per_frame;
114  ctx->params->sourceWidth = avctx->width;
115  ctx->params->sourceHeight = avctx->height;
116  ctx->params->bEnablePsnr = !!(avctx->flags & AV_CODEC_FLAG_PSNR);
117 
118  /* Tune the CTU size based on input resolution. */
119  if (ctx->params->sourceWidth < 64 || ctx->params->sourceHeight < 64)
120  ctx->params->maxCUSize = 32;
121  if (ctx->params->sourceWidth < 32 || ctx->params->sourceHeight < 32)
122  ctx->params->maxCUSize = 16;
123  if (ctx->params->sourceWidth < 16 || ctx->params->sourceHeight < 16) {
124  av_log(avctx, AV_LOG_ERROR, "Image size is too small (%dx%d).\n",
125  ctx->params->sourceWidth, ctx->params->sourceHeight);
126  return AVERROR(EINVAL);
127  }
128 
129  if ((avctx->color_primaries <= AVCOL_PRI_SMPTE432 &&
131  (avctx->color_trc <= AVCOL_TRC_ARIB_STD_B67 &&
132  avctx->color_trc != AVCOL_TRC_UNSPECIFIED) ||
133  (avctx->colorspace <= AVCOL_SPC_ICTCP &&
134  avctx->colorspace != AVCOL_SPC_UNSPECIFIED)) {
135 
136  ctx->params->vui.bEnableVideoSignalTypePresentFlag = 1;
137  ctx->params->vui.bEnableColorDescriptionPresentFlag = 1;
138 
139  // x265 validates the parameters internally
140  ctx->params->vui.colorPrimaries = avctx->color_primaries;
141  ctx->params->vui.transferCharacteristics = avctx->color_trc;
142  ctx->params->vui.matrixCoeffs = avctx->colorspace;
143  }
144 
145  if (avctx->sample_aspect_ratio.num > 0 && avctx->sample_aspect_ratio.den > 0) {
146  char sar[12];
147  int sar_num, sar_den;
148 
149  av_reduce(&sar_num, &sar_den,
150  avctx->sample_aspect_ratio.num,
151  avctx->sample_aspect_ratio.den, 65535);
152  snprintf(sar, sizeof(sar), "%d:%d", sar_num, sar_den);
153  if (ctx->api->param_parse(ctx->params, "sar", sar) == X265_PARAM_BAD_VALUE) {
154  av_log(avctx, AV_LOG_ERROR, "Invalid SAR: %d:%d.\n", sar_num, sar_den);
155  return AVERROR_INVALIDDATA;
156  }
157  }
158 
159  switch (avctx->pix_fmt) {
160  case AV_PIX_FMT_YUV420P:
163  ctx->params->internalCsp = X265_CSP_I420;
164  break;
165  case AV_PIX_FMT_YUV422P:
168  ctx->params->internalCsp = X265_CSP_I422;
169  break;
170  case AV_PIX_FMT_GBRP:
171  case AV_PIX_FMT_GBRP10:
172  case AV_PIX_FMT_GBRP12:
173  ctx->params->vui.matrixCoeffs = AVCOL_SPC_RGB;
174  ctx->params->vui.bEnableVideoSignalTypePresentFlag = 1;
175  ctx->params->vui.bEnableColorDescriptionPresentFlag = 1;
176  case AV_PIX_FMT_YUV444P:
179  ctx->params->internalCsp = X265_CSP_I444;
180  break;
181  case AV_PIX_FMT_GRAY8:
182  case AV_PIX_FMT_GRAY10:
183  case AV_PIX_FMT_GRAY12:
184  if (ctx->api->api_build_number < 85) {
185  av_log(avctx, AV_LOG_ERROR,
186  "libx265 version is %d, must be at least 85 for gray encoding.\n",
187  ctx->api->api_build_number);
188  return AVERROR_INVALIDDATA;
189  }
190  ctx->params->internalCsp = X265_CSP_I400;
191  break;
192  }
193 
194  if (ctx->crf >= 0) {
195  char crf[6];
196 
197  snprintf(crf, sizeof(crf), "%2.2f", ctx->crf);
198  if (ctx->api->param_parse(ctx->params, "crf", crf) == X265_PARAM_BAD_VALUE) {
199  av_log(avctx, AV_LOG_ERROR, "Invalid crf: %2.2f.\n", ctx->crf);
200  return AVERROR(EINVAL);
201  }
202  } else if (avctx->bit_rate > 0) {
203  ctx->params->rc.bitrate = avctx->bit_rate / 1000;
204  ctx->params->rc.rateControlMode = X265_RC_ABR;
205  }
206 
207  if (!(avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER))
208  ctx->params->bRepeatHeaders = 1;
209 
210  if (ctx->x265_opts) {
211  AVDictionary *dict = NULL;
212  AVDictionaryEntry *en = NULL;
213 
214  if (!av_dict_parse_string(&dict, ctx->x265_opts, "=", ":", 0)) {
215  while ((en = av_dict_get(dict, "", en, AV_DICT_IGNORE_SUFFIX))) {
216  int parse_ret = ctx->api->param_parse(ctx->params, en->key, en->value);
217 
218  switch (parse_ret) {
219  case X265_PARAM_BAD_NAME:
220  av_log(avctx, AV_LOG_WARNING,
221  "Unknown option: %s.\n", en->key);
222  break;
223  case X265_PARAM_BAD_VALUE:
224  av_log(avctx, AV_LOG_WARNING,
225  "Invalid value for %s: %s.\n", en->key, en->value);
226  break;
227  default:
228  break;
229  }
230  }
231  av_dict_free(&dict);
232  }
233  }
234 
235  if (ctx->profile) {
236  if (ctx->api->param_apply_profile(ctx->params, ctx->profile) < 0) {
237  int i;
238  av_log(avctx, AV_LOG_ERROR, "Invalid or incompatible profile set: %s.\n", ctx->profile);
239  av_log(avctx, AV_LOG_INFO, "Possible profiles:");
240  for (i = 0; x265_profile_names[i]; i++)
241  av_log(avctx, AV_LOG_INFO, " %s", x265_profile_names[i]);
242  av_log(avctx, AV_LOG_INFO, "\n");
243  return AVERROR(EINVAL);
244  }
245  }
246 
247  ctx->encoder = ctx->api->encoder_open(ctx->params);
248  if (!ctx->encoder) {
249  av_log(avctx, AV_LOG_ERROR, "Cannot open libx265 encoder.\n");
250  libx265_encode_close(avctx);
251  return AVERROR_INVALIDDATA;
252  }
253 
254  if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
255  x265_nal *nal;
256  int nnal;
257 
258  avctx->extradata_size = ctx->api->encoder_headers(ctx->encoder, &nal, &nnal);
259  if (avctx->extradata_size <= 0) {
260  av_log(avctx, AV_LOG_ERROR, "Cannot encode headers.\n");
261  libx265_encode_close(avctx);
262  return AVERROR_INVALIDDATA;
263  }
264 
266  if (!avctx->extradata) {
267  av_log(avctx, AV_LOG_ERROR,
268  "Cannot allocate HEVC header of size %d.\n", avctx->extradata_size);
269  libx265_encode_close(avctx);
270  return AVERROR(ENOMEM);
271  }
272 
273  memcpy(avctx->extradata, nal[0].payload, avctx->extradata_size);
274  }
275 
276  return 0;
277 }
278 
280  const AVFrame *pic, int *got_packet)
281 {
282  libx265Context *ctx = avctx->priv_data;
283  x265_picture x265pic;
284  x265_picture x265pic_out = { 0 };
285  x265_nal *nal;
286  uint8_t *dst;
287  int payload = 0;
288  int nnal;
289  int ret;
290  int i;
291 
292  ctx->api->picture_init(ctx->params, &x265pic);
293 
294  if (pic) {
295  for (i = 0; i < 3; i++) {
296  x265pic.planes[i] = pic->data[i];
297  x265pic.stride[i] = pic->linesize[i];
298  }
299 
300  x265pic.pts = pic->pts;
301  x265pic.bitDepth = av_pix_fmt_desc_get(avctx->pix_fmt)->comp[0].depth;
302 
303  x265pic.sliceType = pic->pict_type == AV_PICTURE_TYPE_I ?
304  (ctx->forced_idr ? X265_TYPE_IDR : X265_TYPE_I) :
305  pic->pict_type == AV_PICTURE_TYPE_P ? X265_TYPE_P :
306  pic->pict_type == AV_PICTURE_TYPE_B ? X265_TYPE_B :
307  X265_TYPE_AUTO;
308  }
309 
310  ret = ctx->api->encoder_encode(ctx->encoder, &nal, &nnal,
311  pic ? &x265pic : NULL, &x265pic_out);
312  if (ret < 0)
313  return AVERROR_EXTERNAL;
314 
315  if (!nnal)
316  return 0;
317 
318  for (i = 0; i < nnal; i++)
319  payload += nal[i].sizeBytes;
320 
321  ret = ff_alloc_packet2(avctx, pkt, payload, payload);
322  if (ret < 0) {
323  av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
324  return ret;
325  }
326  dst = pkt->data;
327 
328  for (i = 0; i < nnal; i++) {
329  memcpy(dst, nal[i].payload, nal[i].sizeBytes);
330  dst += nal[i].sizeBytes;
331 
332  if (is_keyframe(nal[i].type))
333  pkt->flags |= AV_PKT_FLAG_KEY;
334  }
335 
336  pkt->pts = x265pic_out.pts;
337  pkt->dts = x265pic_out.dts;
338 
339 #if FF_API_CODED_FRAME
341  switch (x265pic_out.sliceType) {
342  case X265_TYPE_IDR:
343  case X265_TYPE_I:
345  break;
346  case X265_TYPE_P:
348  break;
349  case X265_TYPE_B:
351  break;
352  }
354 #endif
355 
356 #if X265_BUILD >= 130
357  if (x265pic_out.sliceType == X265_TYPE_B)
358 #else
359  if (x265pic_out.frameData.sliceType == 'b')
360 #endif
362 
363  *got_packet = 1;
364  return 0;
365 }
366 
367 static const enum AVPixelFormat x265_csp_eight[] = {
374 };
375 
376 static const enum AVPixelFormat x265_csp_ten[] = {
388 };
389 
390 static const enum AVPixelFormat x265_csp_twelve[] = {
407 };
408 
410 {
411  if (x265_api_get(12))
412  codec->pix_fmts = x265_csp_twelve;
413  else if (x265_api_get(10))
414  codec->pix_fmts = x265_csp_ten;
415  else if (x265_api_get(8))
416  codec->pix_fmts = x265_csp_eight;
417 }
418 
419 #define OFFSET(x) offsetof(libx265Context, x)
420 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
421 static const AVOption options[] = {
422  { "crf", "set the x265 crf", OFFSET(crf), AV_OPT_TYPE_FLOAT, { .dbl = -1 }, -1, FLT_MAX, VE },
423  { "forced-idr", "if forcing keyframes, force them as IDR frames", OFFSET(forced_idr),AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
424  { "preset", "set the x265 preset", OFFSET(preset), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
425  { "tune", "set the x265 tune parameter", OFFSET(tune), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
426  { "profile", "set the x265 profile", OFFSET(profile), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
427  { "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 },
428  { NULL }
429 };
430 
431 static const AVClass class = {
432  .class_name = "libx265",
433  .item_name = av_default_item_name,
434  .option = options,
436 };
437 
438 static const AVCodecDefault x265_defaults[] = {
439  { "b", "0" },
440  { NULL },
441 };
442 
444  .name = "libx265",
445  .long_name = NULL_IF_CONFIG_SMALL("libx265 H.265 / HEVC"),
446  .type = AVMEDIA_TYPE_VIDEO,
447  .id = AV_CODEC_ID_HEVC,
448  .init = libx265_encode_init,
449  .init_static_data = libx265_encode_init_csp,
450  .encode2 = libx265_encode_frame,
451  .close = libx265_encode_close,
452  .priv_data_size = sizeof(libx265Context),
453  .priv_class = &class,
454  .defaults = x265_defaults,
456  .wrapper_name = "libx265",
457 };
char * profile
Definition: libx265.c:48
#define NULL
Definition: coverity.c:32
static const AVOption options[]
Definition: libx265.c:421
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2384
This structure describes decoded (raw) audio or video data.
Definition: frame.h:218
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:67
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
int64_t bit_rate
the average bitrate
Definition: avcodec.h:1568
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
float crf
Definition: libx265.c:44
SMPTE ST 432-1 (2010) / P3 D65 / Display P3.
Definition: pixfmt.h:439
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:164
int num
Numerator.
Definition: rational.h:59
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:388
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:1896
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:1727
x265_param * params
Definition: libx265.c:41
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:376
static AVPacket pkt
#define AV_CODEC_CAP_AUTO_THREADS
Codec supports avctx->thread_count == 0 (auto).
Definition: avcodec.h:1027
AVCodec.
Definition: avcodec.h:3408
order of coefficients is actually GBR, also IEC 61966-2-1 (sRGB)
Definition: pixfmt.h:478
#define AV_PKT_FLAG_DISPOSABLE
Flag is used to indicate packets that contain frames that can be discarded by the decoder...
Definition: avcodec.h:1481
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
Definition: avcodec.h:1640
#define AV_PIX_FMT_GRAY10
Definition: pixfmt.h:353
#define AV_PIX_FMT_GRAY12
Definition: pixfmt.h:354
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:984
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:420
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:311
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
Definition: avcodec.h:1618
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:1430
char * x265_opts
Definition: libx265.c:49
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
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:377
#define av_log(a,...)
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
Definition: avcodec.h:1462
#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:279
#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:1598
const char * name
Name of the codec implementation.
Definition: avcodec.h:3415
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:375
static const AVCodecDefault defaults[]
Definition: amfenc_h264.c:361
int flags
A combination of AV_PKT_FLAG values.
Definition: avcodec.h:1436
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:66
common internal API header
static av_cold void libx265_encode_init_csp(AVCodec *codec)
Definition: libx265.c:409
enum AVPixelFormat * pix_fmts
array of supported pixel formats, or NULL if unknown, array is terminated by -1
Definition: avcodec.h:3429
enum AVPictureType pict_type
Picture type of the frame.
Definition: frame.h:301
AVCodec ff_libx265_encoder
Definition: libx265.c:443
static av_cold int libx265_encode_init(AVCodecContext *avctx)
Definition: libx265.c:79
int width
picture width / height.
Definition: avcodec.h:1690
AVFormatContext * ctx
Definition: movenc.c:48
#define AV_CODEC_FLAG_PSNR
error[?] variables will be set during encoding.
Definition: avcodec.h:865
enum AVColorPrimaries color_primaries
Chromaticity coordinates of the source primaries.
Definition: avcodec.h:2127
int ticks_per_frame
For some codecs, the time base is closer to the field rate than the frame rate.
Definition: avcodec.h:1649
#define OFFSET(x)
Definition: libx265.c:419
int thread_count
thread count is used to decide how many independent tasks should be passed to execute() ...
Definition: avcodec.h:2769
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
ITU-R BT.2100-0, ICtCp.
Definition: pixfmt.h:493
#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:249
main external API structure.
Definition: avcodec.h:1518
GLint GLenum type
Definition: opengl_enc.c:105
int extradata_size
Definition: avcodec.h:1619
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:372
Describe the class of an AVClass context structure.
Definition: log.h:67
enum AVColorSpace colorspace
YUV colorspace type.
Definition: avcodec.h:2141
enum AVColorTransferCharacteristic color_trc
Color Transfer Characteristic.
Definition: avcodec.h:2134
static enum AVPixelFormat x265_csp_ten[]
Definition: libx265.c:376
#define snprintf
Definition: snprintf.h:34
mfxU16 profile
Definition: qsvenc.c:44
char * tune
Definition: libx265.c:47
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:389
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:373
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:379
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:232
#define AV_CODEC_FLAG_GLOBAL_HEADER
Place global headers in extradata instead of every keyframe.
Definition: avcodec.h:882
preset
Definition: vf_curves.c:46
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:62
Y , 8bpp.
Definition: pixfmt.h:70
#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:390
Bi-dir predicted.
Definition: avutil.h:276
attribute_deprecated AVFrame * coded_frame
the picture in the bitstream
Definition: avcodec.h:2760
char * key
Definition: dict.h:86
int den
Denominator.
Definition: rational.h:60
#define AV_INPUT_BUFFER_PADDING_SIZE
Required number of additionally allocated bytes at the end of the input bitstream for decoding...
Definition: avcodec.h:773
ARIB STD-B67, known as "Hybrid log-gamma".
Definition: pixfmt.h:469
void * priv_data
Definition: avcodec.h:1545
static const AVCodecDefault x265_defaults[]
Definition: libx265.c:438
char * value
Definition: dict.h:87
#define FF_ENABLE_DEPRECATION_WARNINGS
Definition: internal.h:85
static av_cold int libx265_encode_close(AVCodecContext *avctx)
Definition: libx265.c:67
static enum AVPixelFormat x265_csp_eight[]
Definition: libx265.c:367
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed...
Definition: avcodec.h:1429
#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
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:60
This structure stores compressed data.
Definition: avcodec.h:1407
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
Definition: avcodec.h:1423
Predicted.
Definition: avutil.h:275
x265_encoder * encoder
Definition: libx265.c:40