FFmpeg
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
libx265.c
Go to the documentation of this file.
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  ctx->params->bOpenGOP = !(avctx->flags & AV_CODEC_FLAG_CLOSED_GOP);
118 
119  /* Tune the CTU size based on input resolution. */
120  if (ctx->params->sourceWidth < 64 || ctx->params->sourceHeight < 64)
121  ctx->params->maxCUSize = 32;
122  if (ctx->params->sourceWidth < 32 || ctx->params->sourceHeight < 32)
123  ctx->params->maxCUSize = 16;
124  if (ctx->params->sourceWidth < 16 || ctx->params->sourceHeight < 16) {
125  av_log(avctx, AV_LOG_ERROR, "Image size is too small (%dx%d).\n",
126  ctx->params->sourceWidth, ctx->params->sourceHeight);
127  return AVERROR(EINVAL);
128  }
129 
130  if ((avctx->color_primaries <= AVCOL_PRI_SMPTE432 &&
132  (avctx->color_trc <= AVCOL_TRC_ARIB_STD_B67 &&
133  avctx->color_trc != AVCOL_TRC_UNSPECIFIED) ||
134  (avctx->colorspace <= AVCOL_SPC_ICTCP &&
135  avctx->colorspace != AVCOL_SPC_UNSPECIFIED)) {
136 
137  ctx->params->vui.bEnableVideoSignalTypePresentFlag = 1;
138  ctx->params->vui.bEnableColorDescriptionPresentFlag = 1;
139 
140  // x265 validates the parameters internally
141  ctx->params->vui.colorPrimaries = avctx->color_primaries;
142  ctx->params->vui.transferCharacteristics = avctx->color_trc;
143  ctx->params->vui.matrixCoeffs = avctx->colorspace;
144  }
145 
146  if (avctx->sample_aspect_ratio.num > 0 && avctx->sample_aspect_ratio.den > 0) {
147  char sar[12];
148  int sar_num, sar_den;
149 
150  av_reduce(&sar_num, &sar_den,
151  avctx->sample_aspect_ratio.num,
152  avctx->sample_aspect_ratio.den, 65535);
153  snprintf(sar, sizeof(sar), "%d:%d", sar_num, sar_den);
154  if (ctx->api->param_parse(ctx->params, "sar", sar) == X265_PARAM_BAD_VALUE) {
155  av_log(avctx, AV_LOG_ERROR, "Invalid SAR: %d:%d.\n", sar_num, sar_den);
156  return AVERROR_INVALIDDATA;
157  }
158  }
159 
160  switch (avctx->pix_fmt) {
161  case AV_PIX_FMT_YUV420P:
164  ctx->params->internalCsp = X265_CSP_I420;
165  break;
166  case AV_PIX_FMT_YUV422P:
169  ctx->params->internalCsp = X265_CSP_I422;
170  break;
171  case AV_PIX_FMT_GBRP:
172  case AV_PIX_FMT_GBRP10:
173  case AV_PIX_FMT_GBRP12:
174  ctx->params->vui.matrixCoeffs = AVCOL_SPC_RGB;
175  ctx->params->vui.bEnableVideoSignalTypePresentFlag = 1;
176  ctx->params->vui.bEnableColorDescriptionPresentFlag = 1;
177  case AV_PIX_FMT_YUV444P:
180  ctx->params->internalCsp = X265_CSP_I444;
181  break;
182  case AV_PIX_FMT_GRAY8:
183  case AV_PIX_FMT_GRAY10:
184  case AV_PIX_FMT_GRAY12:
185  if (ctx->api->api_build_number < 85) {
186  av_log(avctx, AV_LOG_ERROR,
187  "libx265 version is %d, must be at least 85 for gray encoding.\n",
188  ctx->api->api_build_number);
189  return AVERROR_INVALIDDATA;
190  }
191  ctx->params->internalCsp = X265_CSP_I400;
192  break;
193  }
194 
195  if (ctx->crf >= 0) {
196  char crf[6];
197 
198  snprintf(crf, sizeof(crf), "%2.2f", ctx->crf);
199  if (ctx->api->param_parse(ctx->params, "crf", crf) == X265_PARAM_BAD_VALUE) {
200  av_log(avctx, AV_LOG_ERROR, "Invalid crf: %2.2f.\n", ctx->crf);
201  return AVERROR(EINVAL);
202  }
203  } else if (avctx->bit_rate > 0) {
204  ctx->params->rc.bitrate = avctx->bit_rate / 1000;
205  ctx->params->rc.rateControlMode = X265_RC_ABR;
206  }
207 
208  ctx->params->rc.vbvBufferSize = avctx->rc_buffer_size / 1000;
209  ctx->params->rc.vbvMaxBitrate = avctx->rc_max_rate / 1000;
210 
211  if (!(avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER))
212  ctx->params->bRepeatHeaders = 1;
213 
214  if (ctx->x265_opts) {
215  AVDictionary *dict = NULL;
216  AVDictionaryEntry *en = NULL;
217 
218  if (!av_dict_parse_string(&dict, ctx->x265_opts, "=", ":", 0)) {
219  while ((en = av_dict_get(dict, "", en, AV_DICT_IGNORE_SUFFIX))) {
220  int parse_ret = ctx->api->param_parse(ctx->params, en->key, en->value);
221 
222  switch (parse_ret) {
223  case X265_PARAM_BAD_NAME:
224  av_log(avctx, AV_LOG_WARNING,
225  "Unknown option: %s.\n", en->key);
226  break;
227  case X265_PARAM_BAD_VALUE:
228  av_log(avctx, AV_LOG_WARNING,
229  "Invalid value for %s: %s.\n", en->key, en->value);
230  break;
231  default:
232  break;
233  }
234  }
235  av_dict_free(&dict);
236  }
237  }
238 
239  if (ctx->params->rc.vbvBufferSize && avctx->rc_initial_buffer_occupancy > 1000 &&
240  ctx->params->rc.vbvBufferInit == 0.9) {
241  ctx->params->rc.vbvBufferInit = (float)avctx->rc_initial_buffer_occupancy / 1000;
242  }
243 
244  if (ctx->profile) {
245  if (ctx->api->param_apply_profile(ctx->params, ctx->profile) < 0) {
246  int i;
247  av_log(avctx, AV_LOG_ERROR, "Invalid or incompatible profile set: %s.\n", ctx->profile);
248  av_log(avctx, AV_LOG_INFO, "Possible profiles:");
249  for (i = 0; x265_profile_names[i]; i++)
250  av_log(avctx, AV_LOG_INFO, " %s", x265_profile_names[i]);
251  av_log(avctx, AV_LOG_INFO, "\n");
252  return AVERROR(EINVAL);
253  }
254  }
255 
256  ctx->encoder = ctx->api->encoder_open(ctx->params);
257  if (!ctx->encoder) {
258  av_log(avctx, AV_LOG_ERROR, "Cannot open libx265 encoder.\n");
259  libx265_encode_close(avctx);
260  return AVERROR_INVALIDDATA;
261  }
262 
263  if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
264  x265_nal *nal;
265  int nnal;
266 
267  avctx->extradata_size = ctx->api->encoder_headers(ctx->encoder, &nal, &nnal);
268  if (avctx->extradata_size <= 0) {
269  av_log(avctx, AV_LOG_ERROR, "Cannot encode headers.\n");
270  libx265_encode_close(avctx);
271  return AVERROR_INVALIDDATA;
272  }
273 
275  if (!avctx->extradata) {
276  av_log(avctx, AV_LOG_ERROR,
277  "Cannot allocate HEVC header of size %d.\n", avctx->extradata_size);
278  libx265_encode_close(avctx);
279  return AVERROR(ENOMEM);
280  }
281 
282  memcpy(avctx->extradata, nal[0].payload, avctx->extradata_size);
283  }
284 
285  return 0;
286 }
287 
289  const AVFrame *pic, int *got_packet)
290 {
291  libx265Context *ctx = avctx->priv_data;
292  x265_picture x265pic;
293  x265_picture x265pic_out = { 0 };
294  x265_nal *nal;
295  uint8_t *dst;
296  int payload = 0;
297  int nnal;
298  int ret;
299  int i;
300 
301  ctx->api->picture_init(ctx->params, &x265pic);
302 
303  if (pic) {
304  for (i = 0; i < 3; i++) {
305  x265pic.planes[i] = pic->data[i];
306  x265pic.stride[i] = pic->linesize[i];
307  }
308 
309  x265pic.pts = pic->pts;
310  x265pic.bitDepth = av_pix_fmt_desc_get(avctx->pix_fmt)->comp[0].depth;
311 
312  x265pic.sliceType = pic->pict_type == AV_PICTURE_TYPE_I ?
313  (ctx->forced_idr ? X265_TYPE_IDR : X265_TYPE_I) :
314  pic->pict_type == AV_PICTURE_TYPE_P ? X265_TYPE_P :
315  pic->pict_type == AV_PICTURE_TYPE_B ? X265_TYPE_B :
316  X265_TYPE_AUTO;
317  }
318 
319  ret = ctx->api->encoder_encode(ctx->encoder, &nal, &nnal,
320  pic ? &x265pic : NULL, &x265pic_out);
321  if (ret < 0)
322  return AVERROR_EXTERNAL;
323 
324  if (!nnal)
325  return 0;
326 
327  for (i = 0; i < nnal; i++)
328  payload += nal[i].sizeBytes;
329 
330  ret = ff_alloc_packet2(avctx, pkt, payload, payload);
331  if (ret < 0) {
332  av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
333  return ret;
334  }
335  dst = pkt->data;
336 
337  for (i = 0; i < nnal; i++) {
338  memcpy(dst, nal[i].payload, nal[i].sizeBytes);
339  dst += nal[i].sizeBytes;
340 
341  if (is_keyframe(nal[i].type))
342  pkt->flags |= AV_PKT_FLAG_KEY;
343  }
344 
345  pkt->pts = x265pic_out.pts;
346  pkt->dts = x265pic_out.dts;
347 
348 #if FF_API_CODED_FRAME
350  switch (x265pic_out.sliceType) {
351  case X265_TYPE_IDR:
352  case X265_TYPE_I:
354  break;
355  case X265_TYPE_P:
357  break;
358  case X265_TYPE_B:
360  break;
361  }
363 #endif
364 
365 #if X265_BUILD >= 130
366  if (x265pic_out.sliceType == X265_TYPE_B)
367 #else
368  if (x265pic_out.frameData.sliceType == 'b')
369 #endif
371 
372  *got_packet = 1;
373  return 0;
374 }
375 
376 static const enum AVPixelFormat x265_csp_eight[] = {
383 };
384 
385 static const enum AVPixelFormat x265_csp_ten[] = {
397 };
398 
399 static const enum AVPixelFormat x265_csp_twelve[] = {
416 };
417 
419 {
420  if (x265_api_get(12))
421  codec->pix_fmts = x265_csp_twelve;
422  else if (x265_api_get(10))
423  codec->pix_fmts = x265_csp_ten;
424  else if (x265_api_get(8))
425  codec->pix_fmts = x265_csp_eight;
426 }
427 
428 #define OFFSET(x) offsetof(libx265Context, x)
429 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
430 static const AVOption options[] = {
431  { "crf", "set the x265 crf", OFFSET(crf), AV_OPT_TYPE_FLOAT, { .dbl = -1 }, -1, FLT_MAX, VE },
432  { "forced-idr", "if forcing keyframes, force them as IDR frames", OFFSET(forced_idr),AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
433  { "preset", "set the x265 preset", OFFSET(preset), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
434  { "tune", "set the x265 tune parameter", OFFSET(tune), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
435  { "profile", "set the x265 profile", OFFSET(profile), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
436  { "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 },
437  { NULL }
438 };
439 
440 static const AVClass class = {
441  .class_name = "libx265",
442  .item_name = av_default_item_name,
443  .option = options,
445 };
446 
447 static const AVCodecDefault x265_defaults[] = {
448  { "b", "0" },
449  { NULL },
450 };
451 
453  .name = "libx265",
454  .long_name = NULL_IF_CONFIG_SMALL("libx265 H.265 / HEVC"),
455  .type = AVMEDIA_TYPE_VIDEO,
456  .id = AV_CODEC_ID_HEVC,
457  .init = libx265_encode_init,
458  .init_static_data = libx265_encode_init_csp,
459  .encode2 = libx265_encode_frame,
460  .close = libx265_encode_close,
461  .priv_data_size = sizeof(libx265Context),
462  .priv_class = &class,
463  .defaults = x265_defaults,
465  .wrapper_name = "libx265",
466 };
char * profile
Definition: libx265.c:48
#define NULL
Definition: coverity.c:32
static const AVOption options[]
Definition: libx265.c:430
#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:1569
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
float crf
Definition: libx265.c:44
int rc_initial_buffer_occupancy
Number of bits which should be loaded into the rc buffer before decoding starts.
Definition: avcodec.h:2420
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:1897
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:1728
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:1028
AVCodec.
Definition: avcodec.h:3409
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:1482
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
Definition: avcodec.h:1641
#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:985
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:429
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:1619
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:1431
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:1463
#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:288
#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:1599
const char * name
Name of the codec implementation.
Definition: avcodec.h:3416
#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:1437
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:66
int rc_buffer_size
decoder bitstream buffer size
Definition: avcodec.h:2377
common internal API header
static av_cold void libx265_encode_init_csp(AVCodec *codec)
Definition: libx265.c:418
enum AVPixelFormat * pix_fmts
array of supported pixel formats, or NULL if unknown, array is terminated by -1
Definition: avcodec.h:3430
enum AVPictureType pict_type
Picture type of the frame.
Definition: frame.h:301
AVCodec ff_libx265_encoder
Definition: libx265.c:452
static av_cold int libx265_encode_init(AVCodecContext *avctx)
Definition: libx265.c:79
int width
picture width / height.
Definition: avcodec.h:1691
AVFormatContext * ctx
Definition: movenc.c:48
#define AV_CODEC_FLAG_PSNR
error[?] variables will be set during encoding.
Definition: avcodec.h:866
enum AVColorPrimaries color_primaries
Chromaticity coordinates of the source primaries.
Definition: avcodec.h:2128
int ticks_per_frame
For some codecs, the time base is closer to the field rate than the frame rate.
Definition: avcodec.h:1650
#define OFFSET(x)
Definition: libx265.c:428
int thread_count
thread count is used to decide how many independent tasks should be passed to execute() ...
Definition: avcodec.h:2770
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:1519
GLint GLenum type
Definition: opengl_enc.c:105
int extradata_size
Definition: avcodec.h:1620
#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:2142
enum AVColorTransferCharacteristic color_trc
Color Transfer Characteristic.
Definition: avcodec.h:2135
static enum AVPixelFormat x265_csp_ten[]
Definition: libx265.c:385
#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:883
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:399
Bi-dir predicted.
Definition: avutil.h:276
attribute_deprecated AVFrame * coded_frame
the picture in the bitstream
Definition: avcodec.h:2761
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:774
ARIB STD-B67, known as "Hybrid log-gamma".
Definition: pixfmt.h:469
void * priv_data
Definition: avcodec.h:1546
static const AVCodecDefault x265_defaults[]
Definition: libx265.c:447
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:376
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed...
Definition: avcodec.h:1430
#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:897
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:1408
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
Definition: avcodec.h:1424
Predicted.
Definition: avutil.h:275
int64_t rc_max_rate
maximum bitrate
Definition: avcodec.h:2392
x265_encoder * encoder
Definition: libx265.c:40