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 "codec_internal.h"
36 #include "encode.h"
37 #include "internal.h"
38 #include "packet_internal.h"
39 #include "sei.h"
40
41 typedef struct libx265Context {
42 const AVClass *class;
43
44 x265_encoder *encoder;
45 x265_param *params;
46 const x265_api *api;
47
48 float crf;
49 int cqp;
50 int forced_idr;
51 char *preset;
52 char *tune;
53 char *profile;
54 AVDictionary *x265_opts;
55
56 void *sei_data;
57 int sei_data_size;
58 int udu_sei;
59
60 /**
61 * If the encoder does not support ROI then warn the first time we
62 * encounter a frame with ROI side data.
63 */
64 int roi_warned;
65 } libx265Context;
66
is_keyframe(NalUnitType naltype)67 static int is_keyframe(NalUnitType naltype)
68 {
69 switch (naltype) {
70 case NAL_UNIT_CODED_SLICE_BLA_W_LP:
71 case NAL_UNIT_CODED_SLICE_BLA_W_RADL:
72 case NAL_UNIT_CODED_SLICE_BLA_N_LP:
73 case NAL_UNIT_CODED_SLICE_IDR_W_RADL:
74 case NAL_UNIT_CODED_SLICE_IDR_N_LP:
75 case NAL_UNIT_CODED_SLICE_CRA:
76 return 1;
77 default:
78 return 0;
79 }
80 }
81
libx265_encode_close(AVCodecContext * avctx)82 static av_cold int libx265_encode_close(AVCodecContext *avctx)
83 {
84 libx265Context *ctx = avctx->priv_data;
85
86 ctx->api->param_free(ctx->params);
87 av_freep(&ctx->sei_data);
88
89 if (ctx->encoder)
90 ctx->api->encoder_close(ctx->encoder);
91
92 return 0;
93 }
94
libx265_param_parse_float(AVCodecContext * avctx,const char * key,float value)95 static av_cold int libx265_param_parse_float(AVCodecContext *avctx,
96 const char *key, float value)
97 {
98 libx265Context *ctx = avctx->priv_data;
99 char buf[256];
100
101 snprintf(buf, sizeof(buf), "%2.2f", value);
102 if (ctx->api->param_parse(ctx->params, key, buf) == X265_PARAM_BAD_VALUE) {
103 av_log(avctx, AV_LOG_ERROR, "Invalid value %2.2f for param \"%s\".\n", value, key);
104 return AVERROR(EINVAL);
105 }
106
107 return 0;
108 }
109
libx265_param_parse_int(AVCodecContext * avctx,const char * key,int value)110 static av_cold int libx265_param_parse_int(AVCodecContext *avctx,
111 const char *key, int value)
112 {
113 libx265Context *ctx = avctx->priv_data;
114 char buf[256];
115
116 snprintf(buf, sizeof(buf), "%d", value);
117 if (ctx->api->param_parse(ctx->params, key, buf) == X265_PARAM_BAD_VALUE) {
118 av_log(avctx, AV_LOG_ERROR, "Invalid value %d for param \"%s\".\n", value, key);
119 return AVERROR(EINVAL);
120 }
121
122 return 0;
123 }
124
libx265_encode_init(AVCodecContext * avctx)125 static av_cold int libx265_encode_init(AVCodecContext *avctx)
126 {
127 libx265Context *ctx = avctx->priv_data;
128 AVCPBProperties *cpb_props = NULL;
129 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
130 int ret;
131
132 ctx->api = x265_api_get(desc->comp[0].depth);
133 if (!ctx->api)
134 ctx->api = x265_api_get(0);
135
136 ctx->params = ctx->api->param_alloc();
137 if (!ctx->params) {
138 av_log(avctx, AV_LOG_ERROR, "Could not allocate x265 param structure.\n");
139 return AVERROR(ENOMEM);
140 }
141
142 if (ctx->api->param_default_preset(ctx->params, ctx->preset, ctx->tune) < 0) {
143 int i;
144
145 av_log(avctx, AV_LOG_ERROR, "Error setting preset/tune %s/%s.\n", ctx->preset, ctx->tune);
146 av_log(avctx, AV_LOG_INFO, "Possible presets:");
147 for (i = 0; x265_preset_names[i]; i++)
148 av_log(avctx, AV_LOG_INFO, " %s", x265_preset_names[i]);
149
150 av_log(avctx, AV_LOG_INFO, "\n");
151 av_log(avctx, AV_LOG_INFO, "Possible tunes:");
152 for (i = 0; x265_tune_names[i]; i++)
153 av_log(avctx, AV_LOG_INFO, " %s", x265_tune_names[i]);
154
155 av_log(avctx, AV_LOG_INFO, "\n");
156
157 return AVERROR(EINVAL);
158 }
159
160 ctx->params->frameNumThreads = avctx->thread_count;
161 if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
162 ctx->params->fpsNum = avctx->framerate.num;
163 ctx->params->fpsDenom = avctx->framerate.den;
164 } else {
165 ctx->params->fpsNum = avctx->time_base.den;
166 ctx->params->fpsDenom = avctx->time_base.num * avctx->ticks_per_frame;
167 }
168 ctx->params->sourceWidth = avctx->width;
169 ctx->params->sourceHeight = avctx->height;
170 ctx->params->bEnablePsnr = !!(avctx->flags & AV_CODEC_FLAG_PSNR);
171 ctx->params->bOpenGOP = !(avctx->flags & AV_CODEC_FLAG_CLOSED_GOP);
172
173 /* Tune the CTU size based on input resolution. */
174 if (ctx->params->sourceWidth < 64 || ctx->params->sourceHeight < 64)
175 ctx->params->maxCUSize = 32;
176 if (ctx->params->sourceWidth < 32 || ctx->params->sourceHeight < 32)
177 ctx->params->maxCUSize = 16;
178 if (ctx->params->sourceWidth < 16 || ctx->params->sourceHeight < 16) {
179 av_log(avctx, AV_LOG_ERROR, "Image size is too small (%dx%d).\n",
180 ctx->params->sourceWidth, ctx->params->sourceHeight);
181 return AVERROR(EINVAL);
182 }
183
184
185 ctx->params->vui.bEnableVideoSignalTypePresentFlag = 1;
186
187 if (avctx->color_range != AVCOL_RANGE_UNSPECIFIED)
188 ctx->params->vui.bEnableVideoFullRangeFlag =
189 avctx->color_range == AVCOL_RANGE_JPEG;
190 else
191 ctx->params->vui.bEnableVideoFullRangeFlag =
192 (desc->flags & AV_PIX_FMT_FLAG_RGB) ||
193 avctx->pix_fmt == AV_PIX_FMT_YUVJ420P ||
194 avctx->pix_fmt == AV_PIX_FMT_YUVJ422P ||
195 avctx->pix_fmt == AV_PIX_FMT_YUVJ444P;
196
197 if ((avctx->color_primaries <= AVCOL_PRI_SMPTE432 &&
198 avctx->color_primaries != AVCOL_PRI_UNSPECIFIED) ||
199 (avctx->color_trc <= AVCOL_TRC_ARIB_STD_B67 &&
200 avctx->color_trc != AVCOL_TRC_UNSPECIFIED) ||
201 (avctx->colorspace <= AVCOL_SPC_ICTCP &&
202 avctx->colorspace != AVCOL_SPC_UNSPECIFIED)) {
203
204 ctx->params->vui.bEnableColorDescriptionPresentFlag = 1;
205
206 // x265 validates the parameters internally
207 ctx->params->vui.colorPrimaries = avctx->color_primaries;
208 ctx->params->vui.transferCharacteristics = avctx->color_trc;
209 #if X265_BUILD >= 159
210 if (avctx->color_trc == AVCOL_TRC_ARIB_STD_B67)
211 ctx->params->preferredTransferCharacteristics = ctx->params->vui.transferCharacteristics;
212 #endif
213 ctx->params->vui.matrixCoeffs = avctx->colorspace;
214 }
215
216 // chroma sample location values are to be ignored in case of non-4:2:0
217 // according to the specification, so we only write them out in case of
218 // 4:2:0 (log2_chroma_{w,h} == 1).
219 ctx->params->vui.bEnableChromaLocInfoPresentFlag =
220 avctx->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED &&
221 desc->log2_chroma_w == 1 && desc->log2_chroma_h == 1;
222
223 if (ctx->params->vui.bEnableChromaLocInfoPresentFlag) {
224 ctx->params->vui.chromaSampleLocTypeTopField =
225 ctx->params->vui.chromaSampleLocTypeBottomField =
226 avctx->chroma_sample_location - 1;
227 }
228
229 if (avctx->sample_aspect_ratio.num > 0 && avctx->sample_aspect_ratio.den > 0) {
230 char sar[12];
231 int sar_num, sar_den;
232
233 av_reduce(&sar_num, &sar_den,
234 avctx->sample_aspect_ratio.num,
235 avctx->sample_aspect_ratio.den, 65535);
236 snprintf(sar, sizeof(sar), "%d:%d", sar_num, sar_den);
237 if (ctx->api->param_parse(ctx->params, "sar", sar) == X265_PARAM_BAD_VALUE) {
238 av_log(avctx, AV_LOG_ERROR, "Invalid SAR: %d:%d.\n", sar_num, sar_den);
239 return AVERROR_INVALIDDATA;
240 }
241 }
242
243 switch (desc->log2_chroma_w) {
244 // 4:4:4, RGB. gray
245 case 0:
246 // gray
247 if (desc->nb_components == 1) {
248 if (ctx->api->api_build_number < 85) {
249 av_log(avctx, AV_LOG_ERROR,
250 "libx265 version is %d, must be at least 85 for gray encoding.\n",
251 ctx->api->api_build_number);
252 return AVERROR_INVALIDDATA;
253 }
254 ctx->params->internalCsp = X265_CSP_I400;
255 break;
256 }
257
258 // set identity matrix for RGB
259 if (desc->flags & AV_PIX_FMT_FLAG_RGB) {
260 ctx->params->vui.matrixCoeffs = AVCOL_SPC_RGB;
261 ctx->params->vui.bEnableVideoSignalTypePresentFlag = 1;
262 ctx->params->vui.bEnableColorDescriptionPresentFlag = 1;
263 }
264
265 ctx->params->internalCsp = X265_CSP_I444;
266 break;
267 // 4:2:0, 4:2:2
268 case 1:
269 ctx->params->internalCsp = desc->log2_chroma_h == 1 ?
270 X265_CSP_I420 : X265_CSP_I422;
271 break;
272 default:
273 av_log(avctx, AV_LOG_ERROR,
274 "Pixel format '%s' cannot be mapped to a libx265 CSP!\n",
275 desc->name);
276 return AVERROR_BUG;
277 }
278
279 if (ctx->crf >= 0) {
280 char crf[6];
281
282 snprintf(crf, sizeof(crf), "%2.2f", ctx->crf);
283 if (ctx->api->param_parse(ctx->params, "crf", crf) == X265_PARAM_BAD_VALUE) {
284 av_log(avctx, AV_LOG_ERROR, "Invalid crf: %2.2f.\n", ctx->crf);
285 return AVERROR(EINVAL);
286 }
287 } else if (avctx->bit_rate > 0) {
288 ctx->params->rc.bitrate = avctx->bit_rate / 1000;
289 ctx->params->rc.rateControlMode = X265_RC_ABR;
290 } else if (ctx->cqp >= 0) {
291 ret = libx265_param_parse_int(avctx, "qp", ctx->cqp);
292 if (ret < 0)
293 return ret;
294 }
295
296 #if X265_BUILD >= 89
297 if (avctx->qmin >= 0) {
298 ret = libx265_param_parse_int(avctx, "qpmin", avctx->qmin);
299 if (ret < 0)
300 return ret;
301 }
302 if (avctx->qmax >= 0) {
303 ret = libx265_param_parse_int(avctx, "qpmax", avctx->qmax);
304 if (ret < 0)
305 return ret;
306 }
307 #endif
308 if (avctx->max_qdiff >= 0) {
309 ret = libx265_param_parse_int(avctx, "qpstep", avctx->max_qdiff);
310 if (ret < 0)
311 return ret;
312 }
313 if (avctx->qblur >= 0) {
314 ret = libx265_param_parse_float(avctx, "qblur", avctx->qblur);
315 if (ret < 0)
316 return ret;
317 }
318 if (avctx->qcompress >= 0) {
319 ret = libx265_param_parse_float(avctx, "qcomp", avctx->qcompress);
320 if (ret < 0)
321 return ret;
322 }
323 if (avctx->i_quant_factor >= 0) {
324 ret = libx265_param_parse_float(avctx, "ipratio", avctx->i_quant_factor);
325 if (ret < 0)
326 return ret;
327 }
328 if (avctx->b_quant_factor >= 0) {
329 ret = libx265_param_parse_float(avctx, "pbratio", avctx->b_quant_factor);
330 if (ret < 0)
331 return ret;
332 }
333
334 ctx->params->rc.vbvBufferSize = avctx->rc_buffer_size / 1000;
335 ctx->params->rc.vbvMaxBitrate = avctx->rc_max_rate / 1000;
336
337 cpb_props = ff_add_cpb_side_data(avctx);
338 if (!cpb_props)
339 return AVERROR(ENOMEM);
340 cpb_props->buffer_size = ctx->params->rc.vbvBufferSize * 1000;
341 cpb_props->max_bitrate = ctx->params->rc.vbvMaxBitrate * 1000LL;
342 cpb_props->avg_bitrate = ctx->params->rc.bitrate * 1000LL;
343
344 if (!(avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER))
345 ctx->params->bRepeatHeaders = 1;
346
347 if (avctx->gop_size >= 0) {
348 ret = libx265_param_parse_int(avctx, "keyint", avctx->gop_size);
349 if (ret < 0)
350 return ret;
351 }
352 if (avctx->keyint_min > 0) {
353 ret = libx265_param_parse_int(avctx, "min-keyint", avctx->keyint_min);
354 if (ret < 0)
355 return ret;
356 }
357 if (avctx->max_b_frames >= 0) {
358 ret = libx265_param_parse_int(avctx, "bframes", avctx->max_b_frames);
359 if (ret < 0)
360 return ret;
361 }
362 if (avctx->refs >= 0) {
363 ret = libx265_param_parse_int(avctx, "ref", avctx->refs);
364 if (ret < 0)
365 return ret;
366 }
367
368 {
369 AVDictionaryEntry *en = NULL;
370 while ((en = av_dict_get(ctx->x265_opts, "", en, AV_DICT_IGNORE_SUFFIX))) {
371 int parse_ret = ctx->api->param_parse(ctx->params, en->key, en->value);
372
373 switch (parse_ret) {
374 case X265_PARAM_BAD_NAME:
375 av_log(avctx, AV_LOG_WARNING,
376 "Unknown option: %s.\n", en->key);
377 break;
378 case X265_PARAM_BAD_VALUE:
379 av_log(avctx, AV_LOG_WARNING,
380 "Invalid value for %s: %s.\n", en->key, en->value);
381 break;
382 default:
383 break;
384 }
385 }
386 }
387
388 if (ctx->params->rc.vbvBufferSize && avctx->rc_initial_buffer_occupancy > 1000 &&
389 ctx->params->rc.vbvBufferInit == 0.9) {
390 ctx->params->rc.vbvBufferInit = (float)avctx->rc_initial_buffer_occupancy / 1000;
391 }
392
393 if (ctx->profile) {
394 if (ctx->api->param_apply_profile(ctx->params, ctx->profile) < 0) {
395 int i;
396 av_log(avctx, AV_LOG_ERROR, "Invalid or incompatible profile set: %s.\n", ctx->profile);
397 av_log(avctx, AV_LOG_INFO, "Possible profiles:");
398 for (i = 0; x265_profile_names[i]; i++)
399 av_log(avctx, AV_LOG_INFO, " %s", x265_profile_names[i]);
400 av_log(avctx, AV_LOG_INFO, "\n");
401 return AVERROR(EINVAL);
402 }
403 }
404
405 ctx->encoder = ctx->api->encoder_open(ctx->params);
406 if (!ctx->encoder) {
407 av_log(avctx, AV_LOG_ERROR, "Cannot open libx265 encoder.\n");
408 libx265_encode_close(avctx);
409 return AVERROR_INVALIDDATA;
410 }
411
412 if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
413 x265_nal *nal;
414 int nnal;
415
416 avctx->extradata_size = ctx->api->encoder_headers(ctx->encoder, &nal, &nnal);
417 if (avctx->extradata_size <= 0) {
418 av_log(avctx, AV_LOG_ERROR, "Cannot encode headers.\n");
419 libx265_encode_close(avctx);
420 return AVERROR_INVALIDDATA;
421 }
422
423 avctx->extradata = av_malloc(avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
424 if (!avctx->extradata) {
425 av_log(avctx, AV_LOG_ERROR,
426 "Cannot allocate HEVC header of size %d.\n", avctx->extradata_size);
427 libx265_encode_close(avctx);
428 return AVERROR(ENOMEM);
429 }
430
431 memcpy(avctx->extradata, nal[0].payload, avctx->extradata_size);
432 memset(avctx->extradata + avctx->extradata_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
433 }
434
435 return 0;
436 }
437
libx265_encode_set_roi(libx265Context * ctx,const AVFrame * frame,x265_picture * pic)438 static av_cold int libx265_encode_set_roi(libx265Context *ctx, const AVFrame *frame, x265_picture* pic)
439 {
440 AVFrameSideData *sd = av_frame_get_side_data(frame, AV_FRAME_DATA_REGIONS_OF_INTEREST);
441 if (sd) {
442 if (ctx->params->rc.aqMode == X265_AQ_NONE) {
443 if (!ctx->roi_warned) {
444 ctx->roi_warned = 1;
445 av_log(ctx, AV_LOG_WARNING, "Adaptive quantization must be enabled to use ROI encoding, skipping ROI.\n");
446 }
447 } else {
448 /* 8x8 block when qg-size is 8, 16*16 block otherwise. */
449 int mb_size = (ctx->params->rc.qgSize == 8) ? 8 : 16;
450 int mbx = (frame->width + mb_size - 1) / mb_size;
451 int mby = (frame->height + mb_size - 1) / mb_size;
452 int qp_range = 51 + 6 * (pic->bitDepth - 8);
453 int nb_rois;
454 const AVRegionOfInterest *roi;
455 uint32_t roi_size;
456 float *qoffsets; /* will be freed after encode is called. */
457
458 roi = (const AVRegionOfInterest*)sd->data;
459 roi_size = roi->self_size;
460 if (!roi_size || sd->size % roi_size != 0) {
461 av_log(ctx, AV_LOG_ERROR, "Invalid AVRegionOfInterest.self_size.\n");
462 return AVERROR(EINVAL);
463 }
464 nb_rois = sd->size / roi_size;
465
466 qoffsets = av_calloc(mbx * mby, sizeof(*qoffsets));
467 if (!qoffsets)
468 return AVERROR(ENOMEM);
469
470 // This list must be iterated in reverse because the first
471 // region in the list applies when regions overlap.
472 for (int i = nb_rois - 1; i >= 0; i--) {
473 int startx, endx, starty, endy;
474 float qoffset;
475
476 roi = (const AVRegionOfInterest*)(sd->data + roi_size * i);
477
478 starty = FFMIN(mby, roi->top / mb_size);
479 endy = FFMIN(mby, (roi->bottom + mb_size - 1)/ mb_size);
480 startx = FFMIN(mbx, roi->left / mb_size);
481 endx = FFMIN(mbx, (roi->right + mb_size - 1)/ mb_size);
482
483 if (roi->qoffset.den == 0) {
484 av_free(qoffsets);
485 av_log(ctx, AV_LOG_ERROR, "AVRegionOfInterest.qoffset.den must not be zero.\n");
486 return AVERROR(EINVAL);
487 }
488 qoffset = roi->qoffset.num * 1.0f / roi->qoffset.den;
489 qoffset = av_clipf(qoffset * qp_range, -qp_range, +qp_range);
490
491 for (int y = starty; y < endy; y++)
492 for (int x = startx; x < endx; x++)
493 qoffsets[x + y*mbx] = qoffset;
494 }
495
496 pic->quantOffsets = qoffsets;
497 }
498 }
499 return 0;
500 }
501
libx265_encode_frame(AVCodecContext * avctx,AVPacket * pkt,const AVFrame * pic,int * got_packet)502 static int libx265_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
503 const AVFrame *pic, int *got_packet)
504 {
505 libx265Context *ctx = avctx->priv_data;
506 x265_picture x265pic;
507 x265_picture x265pic_out = { 0 };
508 x265_nal *nal;
509 uint8_t *dst;
510 int pict_type;
511 int payload = 0;
512 int nnal;
513 int ret;
514 int i;
515
516 ctx->api->picture_init(ctx->params, &x265pic);
517
518 if (pic) {
519 x265_sei *sei = &x265pic.userSEI;
520 sei->numPayloads = 0;
521 for (i = 0; i < 3; i++) {
522 x265pic.planes[i] = pic->data[i];
523 x265pic.stride[i] = pic->linesize[i];
524 }
525
526 x265pic.pts = pic->pts;
527 x265pic.bitDepth = av_pix_fmt_desc_get(avctx->pix_fmt)->comp[0].depth;
528
529 x265pic.sliceType = pic->pict_type == AV_PICTURE_TYPE_I ?
530 (ctx->forced_idr ? X265_TYPE_IDR : X265_TYPE_I) :
531 pic->pict_type == AV_PICTURE_TYPE_P ? X265_TYPE_P :
532 pic->pict_type == AV_PICTURE_TYPE_B ? X265_TYPE_B :
533 X265_TYPE_AUTO;
534
535 ret = libx265_encode_set_roi(ctx, pic, &x265pic);
536 if (ret < 0)
537 return ret;
538
539 if (pic->reordered_opaque) {
540 x265pic.userData = av_malloc(sizeof(pic->reordered_opaque));
541 if (!x265pic.userData) {
542 av_freep(&x265pic.quantOffsets);
543 return AVERROR(ENOMEM);
544 }
545
546 memcpy(x265pic.userData, &pic->reordered_opaque, sizeof(pic->reordered_opaque));
547 }
548
549 if (ctx->udu_sei) {
550 for (i = 0; i < pic->nb_side_data; i++) {
551 AVFrameSideData *side_data = pic->side_data[i];
552 void *tmp;
553 x265_sei_payload *sei_payload;
554
555 if (side_data->type != AV_FRAME_DATA_SEI_UNREGISTERED)
556 continue;
557
558 tmp = av_fast_realloc(ctx->sei_data,
559 &ctx->sei_data_size,
560 (sei->numPayloads + 1) * sizeof(*sei_payload));
561 if (!tmp) {
562 av_freep(&x265pic.userData);
563 av_freep(&x265pic.quantOffsets);
564 return AVERROR(ENOMEM);
565 }
566 ctx->sei_data = tmp;
567 sei->payloads = ctx->sei_data;
568 sei_payload = &sei->payloads[sei->numPayloads];
569 sei_payload->payload = side_data->data;
570 sei_payload->payloadSize = side_data->size;
571 /* Equal to libx265 USER_DATA_UNREGISTERED */
572 sei_payload->payloadType = SEI_TYPE_USER_DATA_UNREGISTERED;
573 sei->numPayloads++;
574 }
575 }
576 }
577
578 ret = ctx->api->encoder_encode(ctx->encoder, &nal, &nnal,
579 pic ? &x265pic : NULL, &x265pic_out);
580
581 av_freep(&x265pic.quantOffsets);
582
583 if (ret < 0)
584 return AVERROR_EXTERNAL;
585
586 if (!nnal)
587 return 0;
588
589 for (i = 0; i < nnal; i++)
590 payload += nal[i].sizeBytes;
591
592 ret = ff_get_encode_buffer(avctx, pkt, payload, 0);
593 if (ret < 0) {
594 av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
595 return ret;
596 }
597 dst = pkt->data;
598
599 for (i = 0; i < nnal; i++) {
600 memcpy(dst, nal[i].payload, nal[i].sizeBytes);
601 dst += nal[i].sizeBytes;
602
603 if (is_keyframe(nal[i].type))
604 pkt->flags |= AV_PKT_FLAG_KEY;
605 }
606
607 pkt->pts = x265pic_out.pts;
608 pkt->dts = x265pic_out.dts;
609
610 switch (x265pic_out.sliceType) {
611 case X265_TYPE_IDR:
612 case X265_TYPE_I:
613 pict_type = AV_PICTURE_TYPE_I;
614 break;
615 case X265_TYPE_P:
616 pict_type = AV_PICTURE_TYPE_P;
617 break;
618 case X265_TYPE_B:
619 case X265_TYPE_BREF:
620 pict_type = AV_PICTURE_TYPE_B;
621 break;
622 default:
623 av_log(avctx, AV_LOG_ERROR, "Unknown picture type encountered.\n");
624 return AVERROR_EXTERNAL;
625 }
626
627 #if X265_BUILD >= 130
628 if (x265pic_out.sliceType == X265_TYPE_B)
629 #else
630 if (x265pic_out.frameData.sliceType == 'b')
631 #endif
632 pkt->flags |= AV_PKT_FLAG_DISPOSABLE;
633
634 ff_side_data_set_encoder_stats(pkt, x265pic_out.frameData.qp * FF_QP2LAMBDA, NULL, 0, pict_type);
635
636 if (x265pic_out.userData) {
637 memcpy(&avctx->reordered_opaque, x265pic_out.userData, sizeof(avctx->reordered_opaque));
638 av_freep(&x265pic_out.userData);
639 } else
640 avctx->reordered_opaque = 0;
641
642 *got_packet = 1;
643 return 0;
644 }
645
646 static const enum AVPixelFormat x265_csp_eight[] = {
647 AV_PIX_FMT_YUV420P,
648 AV_PIX_FMT_YUVJ420P,
649 AV_PIX_FMT_YUV422P,
650 AV_PIX_FMT_YUVJ422P,
651 AV_PIX_FMT_YUV444P,
652 AV_PIX_FMT_YUVJ444P,
653 AV_PIX_FMT_GBRP,
654 AV_PIX_FMT_GRAY8,
655 AV_PIX_FMT_NONE
656 };
657
658 static const enum AVPixelFormat x265_csp_ten[] = {
659 AV_PIX_FMT_YUV420P,
660 AV_PIX_FMT_YUVJ420P,
661 AV_PIX_FMT_YUV422P,
662 AV_PIX_FMT_YUVJ422P,
663 AV_PIX_FMT_YUV444P,
664 AV_PIX_FMT_YUVJ444P,
665 AV_PIX_FMT_GBRP,
666 AV_PIX_FMT_YUV420P10,
667 AV_PIX_FMT_YUV422P10,
668 AV_PIX_FMT_YUV444P10,
669 AV_PIX_FMT_GBRP10,
670 AV_PIX_FMT_GRAY8,
671 AV_PIX_FMT_GRAY10,
672 AV_PIX_FMT_NONE
673 };
674
675 static const enum AVPixelFormat x265_csp_twelve[] = {
676 AV_PIX_FMT_YUV420P,
677 AV_PIX_FMT_YUVJ420P,
678 AV_PIX_FMT_YUV422P,
679 AV_PIX_FMT_YUVJ422P,
680 AV_PIX_FMT_YUV444P,
681 AV_PIX_FMT_YUVJ444P,
682 AV_PIX_FMT_GBRP,
683 AV_PIX_FMT_YUV420P10,
684 AV_PIX_FMT_YUV422P10,
685 AV_PIX_FMT_YUV444P10,
686 AV_PIX_FMT_GBRP10,
687 AV_PIX_FMT_YUV420P12,
688 AV_PIX_FMT_YUV422P12,
689 AV_PIX_FMT_YUV444P12,
690 AV_PIX_FMT_GBRP12,
691 AV_PIX_FMT_GRAY8,
692 AV_PIX_FMT_GRAY10,
693 AV_PIX_FMT_GRAY12,
694 AV_PIX_FMT_NONE
695 };
696
libx265_encode_init_csp(FFCodec * codec)697 static av_cold void libx265_encode_init_csp(FFCodec *codec)
698 {
699 if (x265_api_get(12))
700 codec->p.pix_fmts = x265_csp_twelve;
701 else if (x265_api_get(10))
702 codec->p.pix_fmts = x265_csp_ten;
703 else if (x265_api_get(8))
704 codec->p.pix_fmts = x265_csp_eight;
705 }
706
707 #define OFFSET(x) offsetof(libx265Context, x)
708 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
709 static const AVOption options[] = {
710 { "crf", "set the x265 crf", OFFSET(crf), AV_OPT_TYPE_FLOAT, { .dbl = -1 }, -1, FLT_MAX, VE },
711 { "qp", "set the x265 qp", OFFSET(cqp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE },
712 { "forced-idr", "if forcing keyframes, force them as IDR frames", OFFSET(forced_idr),AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
713 { "preset", "set the x265 preset", OFFSET(preset), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
714 { "tune", "set the x265 tune parameter", OFFSET(tune), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
715 { "profile", "set the x265 profile", OFFSET(profile), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
716 { "udu_sei", "Use user data unregistered SEI if available", OFFSET(udu_sei), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
717 { "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 },
718 { NULL }
719 };
720
721 static const AVClass class = {
722 .class_name = "libx265",
723 .item_name = av_default_item_name,
724 .option = options,
725 .version = LIBAVUTIL_VERSION_INT,
726 };
727
728 static const FFCodecDefault x265_defaults[] = {
729 { "b", "0" },
730 { "bf", "-1" },
731 { "g", "-1" },
732 { "keyint_min", "-1" },
733 { "refs", "-1" },
734 { "qmin", "-1" },
735 { "qmax", "-1" },
736 { "qdiff", "-1" },
737 { "qblur", "-1" },
738 { "qcomp", "-1" },
739 { "i_qfactor", "-1" },
740 { "b_qfactor", "-1" },
741 { NULL },
742 };
743
744 FFCodec ff_libx265_encoder = {
745 .p.name = "libx265",
746 .p.long_name = NULL_IF_CONFIG_SMALL("libx265 H.265 / HEVC"),
747 .p.type = AVMEDIA_TYPE_VIDEO,
748 .p.id = AV_CODEC_ID_HEVC,
749 .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY |
750 AV_CODEC_CAP_OTHER_THREADS |
751 AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
752 .p.priv_class = &class,
753 .p.wrapper_name = "libx265",
754 .init = libx265_encode_init,
755 .init_static_data = libx265_encode_init_csp,
756 FF_CODEC_ENCODE_CB(libx265_encode_frame),
757 .close = libx265_encode_close,
758 .priv_data_size = sizeof(libx265Context),
759 .defaults = x265_defaults,
760 .caps_internal = FF_CODEC_CAP_AUTO_THREADS,
761 };
762