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;
45 int cqp;
46 int forced_idr;
47 char *preset;
48 char *tune;
49 char *profile;
50 AVDictionary *x265_opts;
51
52 /**
53 * If the encoder does not support ROI then warn the first time we
54 * encounter a frame with ROI side data.
55 */
56 int roi_warned;
57 } libx265Context;
58
is_keyframe(NalUnitType naltype)59 static int is_keyframe(NalUnitType naltype)
60 {
61 switch (naltype) {
62 case NAL_UNIT_CODED_SLICE_BLA_W_LP:
63 case NAL_UNIT_CODED_SLICE_BLA_W_RADL:
64 case NAL_UNIT_CODED_SLICE_BLA_N_LP:
65 case NAL_UNIT_CODED_SLICE_IDR_W_RADL:
66 case NAL_UNIT_CODED_SLICE_IDR_N_LP:
67 case NAL_UNIT_CODED_SLICE_CRA:
68 return 1;
69 default:
70 return 0;
71 }
72 }
73
libx265_encode_close(AVCodecContext * avctx)74 static av_cold int libx265_encode_close(AVCodecContext *avctx)
75 {
76 libx265Context *ctx = avctx->priv_data;
77
78 ctx->api->param_free(ctx->params);
79
80 if (ctx->encoder)
81 ctx->api->encoder_close(ctx->encoder);
82
83 return 0;
84 }
85
libx265_param_parse_float(AVCodecContext * avctx,const char * key,float value)86 static av_cold int libx265_param_parse_float(AVCodecContext *avctx,
87 const char *key, float value)
88 {
89 libx265Context *ctx = avctx->priv_data;
90 char buf[256];
91
92 snprintf(buf, sizeof(buf), "%2.2f", value);
93 if (ctx->api->param_parse(ctx->params, key, buf) == X265_PARAM_BAD_VALUE) {
94 av_log(avctx, AV_LOG_ERROR, "Invalid value %2.2f for param \"%s\".\n", value, key);
95 return AVERROR(EINVAL);
96 }
97
98 return 0;
99 }
100
libx265_param_parse_int(AVCodecContext * avctx,const char * key,int value)101 static av_cold int libx265_param_parse_int(AVCodecContext *avctx,
102 const char *key, int value)
103 {
104 libx265Context *ctx = avctx->priv_data;
105 char buf[256];
106
107 snprintf(buf, sizeof(buf), "%d", value);
108 if (ctx->api->param_parse(ctx->params, key, buf) == X265_PARAM_BAD_VALUE) {
109 av_log(avctx, AV_LOG_ERROR, "Invalid value %d for param \"%s\".\n", value, key);
110 return AVERROR(EINVAL);
111 }
112
113 return 0;
114 }
115
libx265_encode_init(AVCodecContext * avctx)116 static av_cold int libx265_encode_init(AVCodecContext *avctx)
117 {
118 libx265Context *ctx = avctx->priv_data;
119 AVCPBProperties *cpb_props = NULL;
120 int ret;
121
122 ctx->api = x265_api_get(av_pix_fmt_desc_get(avctx->pix_fmt)->comp[0].depth);
123 if (!ctx->api)
124 ctx->api = x265_api_get(0);
125
126 ctx->params = ctx->api->param_alloc();
127 if (!ctx->params) {
128 av_log(avctx, AV_LOG_ERROR, "Could not allocate x265 param structure.\n");
129 return AVERROR(ENOMEM);
130 }
131
132 if (ctx->api->param_default_preset(ctx->params, ctx->preset, ctx->tune) < 0) {
133 int i;
134
135 av_log(avctx, AV_LOG_ERROR, "Error setting preset/tune %s/%s.\n", ctx->preset, ctx->tune);
136 av_log(avctx, AV_LOG_INFO, "Possible presets:");
137 for (i = 0; x265_preset_names[i]; i++)
138 av_log(avctx, AV_LOG_INFO, " %s", x265_preset_names[i]);
139
140 av_log(avctx, AV_LOG_INFO, "\n");
141 av_log(avctx, AV_LOG_INFO, "Possible tunes:");
142 for (i = 0; x265_tune_names[i]; i++)
143 av_log(avctx, AV_LOG_INFO, " %s", x265_tune_names[i]);
144
145 av_log(avctx, AV_LOG_INFO, "\n");
146
147 return AVERROR(EINVAL);
148 }
149
150 ctx->params->frameNumThreads = avctx->thread_count;
151 if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
152 ctx->params->fpsNum = avctx->framerate.num;
153 ctx->params->fpsDenom = avctx->framerate.den;
154 } else {
155 ctx->params->fpsNum = avctx->time_base.den;
156 ctx->params->fpsDenom = avctx->time_base.num * avctx->ticks_per_frame;
157 }
158 ctx->params->sourceWidth = avctx->width;
159 ctx->params->sourceHeight = avctx->height;
160 ctx->params->bEnablePsnr = !!(avctx->flags & AV_CODEC_FLAG_PSNR);
161 ctx->params->bOpenGOP = !(avctx->flags & AV_CODEC_FLAG_CLOSED_GOP);
162
163 /* Tune the CTU size based on input resolution. */
164 if (ctx->params->sourceWidth < 64 || ctx->params->sourceHeight < 64)
165 ctx->params->maxCUSize = 32;
166 if (ctx->params->sourceWidth < 32 || ctx->params->sourceHeight < 32)
167 ctx->params->maxCUSize = 16;
168 if (ctx->params->sourceWidth < 16 || ctx->params->sourceHeight < 16) {
169 av_log(avctx, AV_LOG_ERROR, "Image size is too small (%dx%d).\n",
170 ctx->params->sourceWidth, ctx->params->sourceHeight);
171 return AVERROR(EINVAL);
172 }
173
174
175 ctx->params->vui.bEnableVideoSignalTypePresentFlag = 1;
176
177 ctx->params->vui.bEnableVideoFullRangeFlag = avctx->pix_fmt == AV_PIX_FMT_YUVJ420P ||
178 avctx->pix_fmt == AV_PIX_FMT_YUVJ422P ||
179 avctx->pix_fmt == AV_PIX_FMT_YUVJ444P ||
180 avctx->color_range == AVCOL_RANGE_JPEG;
181
182 if ((avctx->color_primaries <= AVCOL_PRI_SMPTE432 &&
183 avctx->color_primaries != AVCOL_PRI_UNSPECIFIED) ||
184 (avctx->color_trc <= AVCOL_TRC_ARIB_STD_B67 &&
185 avctx->color_trc != AVCOL_TRC_UNSPECIFIED) ||
186 (avctx->colorspace <= AVCOL_SPC_ICTCP &&
187 avctx->colorspace != AVCOL_SPC_UNSPECIFIED)) {
188
189 ctx->params->vui.bEnableColorDescriptionPresentFlag = 1;
190
191 // x265 validates the parameters internally
192 ctx->params->vui.colorPrimaries = avctx->color_primaries;
193 ctx->params->vui.transferCharacteristics = avctx->color_trc;
194 #if X265_BUILD >= 159
195 if (avctx->color_trc == AVCOL_TRC_ARIB_STD_B67)
196 ctx->params->preferredTransferCharacteristics = ctx->params->vui.transferCharacteristics;
197 #endif
198 ctx->params->vui.matrixCoeffs = avctx->colorspace;
199 }
200
201 if (avctx->sample_aspect_ratio.num > 0 && avctx->sample_aspect_ratio.den > 0) {
202 char sar[12];
203 int sar_num, sar_den;
204
205 av_reduce(&sar_num, &sar_den,
206 avctx->sample_aspect_ratio.num,
207 avctx->sample_aspect_ratio.den, 65535);
208 snprintf(sar, sizeof(sar), "%d:%d", sar_num, sar_den);
209 if (ctx->api->param_parse(ctx->params, "sar", sar) == X265_PARAM_BAD_VALUE) {
210 av_log(avctx, AV_LOG_ERROR, "Invalid SAR: %d:%d.\n", sar_num, sar_den);
211 return AVERROR_INVALIDDATA;
212 }
213 }
214
215 switch (avctx->pix_fmt) {
216 case AV_PIX_FMT_YUV420P:
217 case AV_PIX_FMT_YUV420P10:
218 case AV_PIX_FMT_YUV420P12:
219 ctx->params->internalCsp = X265_CSP_I420;
220 break;
221 case AV_PIX_FMT_YUV422P:
222 case AV_PIX_FMT_YUV422P10:
223 case AV_PIX_FMT_YUV422P12:
224 ctx->params->internalCsp = X265_CSP_I422;
225 break;
226 case AV_PIX_FMT_GBRP:
227 case AV_PIX_FMT_GBRP10:
228 case AV_PIX_FMT_GBRP12:
229 ctx->params->vui.matrixCoeffs = AVCOL_SPC_RGB;
230 ctx->params->vui.bEnableVideoSignalTypePresentFlag = 1;
231 ctx->params->vui.bEnableColorDescriptionPresentFlag = 1;
232 case AV_PIX_FMT_YUV444P:
233 case AV_PIX_FMT_YUV444P10:
234 case AV_PIX_FMT_YUV444P12:
235 ctx->params->internalCsp = X265_CSP_I444;
236 break;
237 case AV_PIX_FMT_GRAY8:
238 case AV_PIX_FMT_GRAY10:
239 case AV_PIX_FMT_GRAY12:
240 if (ctx->api->api_build_number < 85) {
241 av_log(avctx, AV_LOG_ERROR,
242 "libx265 version is %d, must be at least 85 for gray encoding.\n",
243 ctx->api->api_build_number);
244 return AVERROR_INVALIDDATA;
245 }
246 ctx->params->internalCsp = X265_CSP_I400;
247 break;
248 }
249
250 if (ctx->crf >= 0) {
251 char crf[6];
252
253 snprintf(crf, sizeof(crf), "%2.2f", ctx->crf);
254 if (ctx->api->param_parse(ctx->params, "crf", crf) == X265_PARAM_BAD_VALUE) {
255 av_log(avctx, AV_LOG_ERROR, "Invalid crf: %2.2f.\n", ctx->crf);
256 return AVERROR(EINVAL);
257 }
258 } else if (avctx->bit_rate > 0) {
259 ctx->params->rc.bitrate = avctx->bit_rate / 1000;
260 ctx->params->rc.rateControlMode = X265_RC_ABR;
261 } else if (ctx->cqp >= 0) {
262 ret = libx265_param_parse_int(avctx, "qp", ctx->cqp);
263 if (ret < 0)
264 return ret;
265 }
266
267 #if X265_BUILD >= 89
268 if (avctx->qmin >= 0) {
269 ret = libx265_param_parse_int(avctx, "qpmin", avctx->qmin);
270 if (ret < 0)
271 return ret;
272 }
273 if (avctx->qmax >= 0) {
274 ret = libx265_param_parse_int(avctx, "qpmax", avctx->qmax);
275 if (ret < 0)
276 return ret;
277 }
278 #endif
279 if (avctx->max_qdiff >= 0) {
280 ret = libx265_param_parse_int(avctx, "qpstep", avctx->max_qdiff);
281 if (ret < 0)
282 return ret;
283 }
284 if (avctx->qblur >= 0) {
285 ret = libx265_param_parse_float(avctx, "qblur", avctx->qblur);
286 if (ret < 0)
287 return ret;
288 }
289 if (avctx->qcompress >= 0) {
290 ret = libx265_param_parse_float(avctx, "qcomp", avctx->qcompress);
291 if (ret < 0)
292 return ret;
293 }
294 if (avctx->i_quant_factor >= 0) {
295 ret = libx265_param_parse_float(avctx, "ipratio", avctx->i_quant_factor);
296 if (ret < 0)
297 return ret;
298 }
299 if (avctx->b_quant_factor >= 0) {
300 ret = libx265_param_parse_float(avctx, "pbratio", avctx->b_quant_factor);
301 if (ret < 0)
302 return ret;
303 }
304
305 ctx->params->rc.vbvBufferSize = avctx->rc_buffer_size / 1000;
306 ctx->params->rc.vbvMaxBitrate = avctx->rc_max_rate / 1000;
307
308 cpb_props = ff_add_cpb_side_data(avctx);
309 if (!cpb_props)
310 return AVERROR(ENOMEM);
311 cpb_props->buffer_size = ctx->params->rc.vbvBufferSize * 1000;
312 cpb_props->max_bitrate = ctx->params->rc.vbvMaxBitrate * 1000;
313 cpb_props->avg_bitrate = ctx->params->rc.bitrate * 1000;
314
315 if (!(avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER))
316 ctx->params->bRepeatHeaders = 1;
317
318 if (avctx->gop_size >= 0) {
319 ret = libx265_param_parse_int(avctx, "keyint", avctx->gop_size);
320 if (ret < 0)
321 return ret;
322 }
323 if (avctx->keyint_min > 0) {
324 ret = libx265_param_parse_int(avctx, "min-keyint", avctx->keyint_min);
325 if (ret < 0)
326 return ret;
327 }
328 if (avctx->max_b_frames >= 0) {
329 ret = libx265_param_parse_int(avctx, "bframes", avctx->max_b_frames);
330 if (ret < 0)
331 return ret;
332 }
333 if (avctx->refs >= 0) {
334 ret = libx265_param_parse_int(avctx, "ref", avctx->refs);
335 if (ret < 0)
336 return ret;
337 }
338
339 {
340 AVDictionaryEntry *en = NULL;
341 while ((en = av_dict_get(ctx->x265_opts, "", en, AV_DICT_IGNORE_SUFFIX))) {
342 int parse_ret = ctx->api->param_parse(ctx->params, en->key, en->value);
343
344 switch (parse_ret) {
345 case X265_PARAM_BAD_NAME:
346 av_log(avctx, AV_LOG_WARNING,
347 "Unknown option: %s.\n", en->key);
348 break;
349 case X265_PARAM_BAD_VALUE:
350 av_log(avctx, AV_LOG_WARNING,
351 "Invalid value for %s: %s.\n", en->key, en->value);
352 break;
353 default:
354 break;
355 }
356 }
357 }
358
359 if (ctx->params->rc.vbvBufferSize && avctx->rc_initial_buffer_occupancy > 1000 &&
360 ctx->params->rc.vbvBufferInit == 0.9) {
361 ctx->params->rc.vbvBufferInit = (float)avctx->rc_initial_buffer_occupancy / 1000;
362 }
363
364 if (ctx->profile) {
365 if (ctx->api->param_apply_profile(ctx->params, ctx->profile) < 0) {
366 int i;
367 av_log(avctx, AV_LOG_ERROR, "Invalid or incompatible profile set: %s.\n", ctx->profile);
368 av_log(avctx, AV_LOG_INFO, "Possible profiles:");
369 for (i = 0; x265_profile_names[i]; i++)
370 av_log(avctx, AV_LOG_INFO, " %s", x265_profile_names[i]);
371 av_log(avctx, AV_LOG_INFO, "\n");
372 return AVERROR(EINVAL);
373 }
374 }
375
376 ctx->encoder = ctx->api->encoder_open(ctx->params);
377 if (!ctx->encoder) {
378 av_log(avctx, AV_LOG_ERROR, "Cannot open libx265 encoder.\n");
379 libx265_encode_close(avctx);
380 return AVERROR_INVALIDDATA;
381 }
382
383 if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
384 x265_nal *nal;
385 int nnal;
386
387 avctx->extradata_size = ctx->api->encoder_headers(ctx->encoder, &nal, &nnal);
388 if (avctx->extradata_size <= 0) {
389 av_log(avctx, AV_LOG_ERROR, "Cannot encode headers.\n");
390 libx265_encode_close(avctx);
391 return AVERROR_INVALIDDATA;
392 }
393
394 avctx->extradata = av_malloc(avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
395 if (!avctx->extradata) {
396 av_log(avctx, AV_LOG_ERROR,
397 "Cannot allocate HEVC header of size %d.\n", avctx->extradata_size);
398 libx265_encode_close(avctx);
399 return AVERROR(ENOMEM);
400 }
401
402 memcpy(avctx->extradata, nal[0].payload, avctx->extradata_size);
403 memset(avctx->extradata + avctx->extradata_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
404 }
405
406 return 0;
407 }
408
libx265_encode_set_roi(libx265Context * ctx,const AVFrame * frame,x265_picture * pic)409 static av_cold int libx265_encode_set_roi(libx265Context *ctx, const AVFrame *frame, x265_picture* pic)
410 {
411 AVFrameSideData *sd = av_frame_get_side_data(frame, AV_FRAME_DATA_REGIONS_OF_INTEREST);
412 if (sd) {
413 if (ctx->params->rc.aqMode == X265_AQ_NONE) {
414 if (!ctx->roi_warned) {
415 ctx->roi_warned = 1;
416 av_log(ctx, AV_LOG_WARNING, "Adaptive quantization must be enabled to use ROI encoding, skipping ROI.\n");
417 }
418 } else {
419 /* 8x8 block when qg-size is 8, 16*16 block otherwise. */
420 int mb_size = (ctx->params->rc.qgSize == 8) ? 8 : 16;
421 int mbx = (frame->width + mb_size - 1) / mb_size;
422 int mby = (frame->height + mb_size - 1) / mb_size;
423 int qp_range = 51 + 6 * (pic->bitDepth - 8);
424 int nb_rois;
425 const AVRegionOfInterest *roi;
426 uint32_t roi_size;
427 float *qoffsets; /* will be freed after encode is called. */
428
429 roi = (const AVRegionOfInterest*)sd->data;
430 roi_size = roi->self_size;
431 if (!roi_size || sd->size % roi_size != 0) {
432 av_log(ctx, AV_LOG_ERROR, "Invalid AVRegionOfInterest.self_size.\n");
433 return AVERROR(EINVAL);
434 }
435 nb_rois = sd->size / roi_size;
436
437 qoffsets = av_mallocz_array(mbx * mby, sizeof(*qoffsets));
438 if (!qoffsets)
439 return AVERROR(ENOMEM);
440
441 // This list must be iterated in reverse because the first
442 // region in the list applies when regions overlap.
443 for (int i = nb_rois - 1; i >= 0; i--) {
444 int startx, endx, starty, endy;
445 float qoffset;
446
447 roi = (const AVRegionOfInterest*)(sd->data + roi_size * i);
448
449 starty = FFMIN(mby, roi->top / mb_size);
450 endy = FFMIN(mby, (roi->bottom + mb_size - 1)/ mb_size);
451 startx = FFMIN(mbx, roi->left / mb_size);
452 endx = FFMIN(mbx, (roi->right + mb_size - 1)/ mb_size);
453
454 if (roi->qoffset.den == 0) {
455 av_free(qoffsets);
456 av_log(ctx, AV_LOG_ERROR, "AVRegionOfInterest.qoffset.den must not be zero.\n");
457 return AVERROR(EINVAL);
458 }
459 qoffset = roi->qoffset.num * 1.0f / roi->qoffset.den;
460 qoffset = av_clipf(qoffset * qp_range, -qp_range, +qp_range);
461
462 for (int y = starty; y < endy; y++)
463 for (int x = startx; x < endx; x++)
464 qoffsets[x + y*mbx] = qoffset;
465 }
466
467 pic->quantOffsets = qoffsets;
468 }
469 }
470 return 0;
471 }
472
libx265_encode_frame(AVCodecContext * avctx,AVPacket * pkt,const AVFrame * pic,int * got_packet)473 static int libx265_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
474 const AVFrame *pic, int *got_packet)
475 {
476 libx265Context *ctx = avctx->priv_data;
477 x265_picture x265pic;
478 x265_picture x265pic_out = { 0 };
479 x265_nal *nal;
480 uint8_t *dst;
481 int pict_type;
482 int payload = 0;
483 int nnal;
484 int ret;
485 int i;
486
487 ctx->api->picture_init(ctx->params, &x265pic);
488
489 if (pic) {
490 for (i = 0; i < 3; i++) {
491 x265pic.planes[i] = pic->data[i];
492 x265pic.stride[i] = pic->linesize[i];
493 }
494
495 x265pic.pts = pic->pts;
496 x265pic.bitDepth = av_pix_fmt_desc_get(avctx->pix_fmt)->comp[0].depth;
497
498 x265pic.sliceType = pic->pict_type == AV_PICTURE_TYPE_I ?
499 (ctx->forced_idr ? X265_TYPE_IDR : X265_TYPE_I) :
500 pic->pict_type == AV_PICTURE_TYPE_P ? X265_TYPE_P :
501 pic->pict_type == AV_PICTURE_TYPE_B ? X265_TYPE_B :
502 X265_TYPE_AUTO;
503
504 ret = libx265_encode_set_roi(ctx, pic, &x265pic);
505 if (ret < 0)
506 return ret;
507 }
508
509 ret = ctx->api->encoder_encode(ctx->encoder, &nal, &nnal,
510 pic ? &x265pic : NULL, &x265pic_out);
511
512 av_freep(&x265pic.quantOffsets);
513
514 if (ret < 0)
515 return AVERROR_EXTERNAL;
516
517 if (!nnal)
518 return 0;
519
520 for (i = 0; i < nnal; i++)
521 payload += nal[i].sizeBytes;
522
523 ret = ff_alloc_packet2(avctx, pkt, payload, payload);
524 if (ret < 0) {
525 av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
526 return ret;
527 }
528 dst = pkt->data;
529
530 for (i = 0; i < nnal; i++) {
531 memcpy(dst, nal[i].payload, nal[i].sizeBytes);
532 dst += nal[i].sizeBytes;
533
534 if (is_keyframe(nal[i].type))
535 pkt->flags |= AV_PKT_FLAG_KEY;
536 }
537
538 pkt->pts = x265pic_out.pts;
539 pkt->dts = x265pic_out.dts;
540
541 switch (x265pic_out.sliceType) {
542 case X265_TYPE_IDR:
543 case X265_TYPE_I:
544 pict_type = AV_PICTURE_TYPE_I;
545 break;
546 case X265_TYPE_P:
547 pict_type = AV_PICTURE_TYPE_P;
548 break;
549 case X265_TYPE_B:
550 case X265_TYPE_BREF:
551 pict_type = AV_PICTURE_TYPE_B;
552 break;
553 }
554
555 #if FF_API_CODED_FRAME
556 FF_DISABLE_DEPRECATION_WARNINGS
557 avctx->coded_frame->pict_type = pict_type;
558 FF_ENABLE_DEPRECATION_WARNINGS
559 #endif
560
561 #if X265_BUILD >= 130
562 if (x265pic_out.sliceType == X265_TYPE_B)
563 #else
564 if (x265pic_out.frameData.sliceType == 'b')
565 #endif
566 pkt->flags |= AV_PKT_FLAG_DISPOSABLE;
567
568 ff_side_data_set_encoder_stats(pkt, x265pic_out.frameData.qp * FF_QP2LAMBDA, NULL, 0, pict_type);
569
570 *got_packet = 1;
571 return 0;
572 }
573
574 static const enum AVPixelFormat x265_csp_eight[] = {
575 AV_PIX_FMT_YUV420P,
576 AV_PIX_FMT_YUVJ420P,
577 AV_PIX_FMT_YUV422P,
578 AV_PIX_FMT_YUVJ422P,
579 AV_PIX_FMT_YUV444P,
580 AV_PIX_FMT_YUVJ444P,
581 AV_PIX_FMT_GBRP,
582 AV_PIX_FMT_GRAY8,
583 AV_PIX_FMT_NONE
584 };
585
586 static const enum AVPixelFormat x265_csp_ten[] = {
587 AV_PIX_FMT_YUV420P,
588 AV_PIX_FMT_YUVJ420P,
589 AV_PIX_FMT_YUV422P,
590 AV_PIX_FMT_YUVJ422P,
591 AV_PIX_FMT_YUV444P,
592 AV_PIX_FMT_YUVJ444P,
593 AV_PIX_FMT_GBRP,
594 AV_PIX_FMT_YUV420P10,
595 AV_PIX_FMT_YUV422P10,
596 AV_PIX_FMT_YUV444P10,
597 AV_PIX_FMT_GBRP10,
598 AV_PIX_FMT_GRAY8,
599 AV_PIX_FMT_GRAY10,
600 AV_PIX_FMT_NONE
601 };
602
603 static const enum AVPixelFormat x265_csp_twelve[] = {
604 AV_PIX_FMT_YUV420P,
605 AV_PIX_FMT_YUVJ420P,
606 AV_PIX_FMT_YUV422P,
607 AV_PIX_FMT_YUVJ422P,
608 AV_PIX_FMT_YUV444P,
609 AV_PIX_FMT_YUVJ444P,
610 AV_PIX_FMT_GBRP,
611 AV_PIX_FMT_YUV420P10,
612 AV_PIX_FMT_YUV422P10,
613 AV_PIX_FMT_YUV444P10,
614 AV_PIX_FMT_GBRP10,
615 AV_PIX_FMT_YUV420P12,
616 AV_PIX_FMT_YUV422P12,
617 AV_PIX_FMT_YUV444P12,
618 AV_PIX_FMT_GBRP12,
619 AV_PIX_FMT_GRAY8,
620 AV_PIX_FMT_GRAY10,
621 AV_PIX_FMT_GRAY12,
622 AV_PIX_FMT_NONE
623 };
624
libx265_encode_init_csp(AVCodec * codec)625 static av_cold void libx265_encode_init_csp(AVCodec *codec)
626 {
627 if (x265_api_get(12))
628 codec->pix_fmts = x265_csp_twelve;
629 else if (x265_api_get(10))
630 codec->pix_fmts = x265_csp_ten;
631 else if (x265_api_get(8))
632 codec->pix_fmts = x265_csp_eight;
633 }
634
635 #define OFFSET(x) offsetof(libx265Context, x)
636 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
637 static const AVOption options[] = {
638 { "crf", "set the x265 crf", OFFSET(crf), AV_OPT_TYPE_FLOAT, { .dbl = -1 }, -1, FLT_MAX, VE },
639 { "qp", "set the x265 qp", OFFSET(cqp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE },
640 { "forced-idr", "if forcing keyframes, force them as IDR frames", OFFSET(forced_idr),AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
641 { "preset", "set the x265 preset", OFFSET(preset), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
642 { "tune", "set the x265 tune parameter", OFFSET(tune), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
643 { "profile", "set the x265 profile", OFFSET(profile), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
644 { "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 },
645 { NULL }
646 };
647
648 static const AVClass class = {
649 .class_name = "libx265",
650 .item_name = av_default_item_name,
651 .option = options,
652 .version = LIBAVUTIL_VERSION_INT,
653 };
654
655 static const AVCodecDefault x265_defaults[] = {
656 { "b", "0" },
657 { "bf", "-1" },
658 { "g", "-1" },
659 { "keyint_min", "-1" },
660 { "refs", "-1" },
661 { "qmin", "-1" },
662 { "qmax", "-1" },
663 { "qdiff", "-1" },
664 { "qblur", "-1" },
665 { "qcomp", "-1" },
666 { "i_qfactor", "-1" },
667 { "b_qfactor", "-1" },
668 { NULL },
669 };
670
671 AVCodec ff_libx265_encoder = {
672 .name = "libx265",
673 .long_name = NULL_IF_CONFIG_SMALL("libx265 H.265 / HEVC"),
674 .type = AVMEDIA_TYPE_VIDEO,
675 .id = AV_CODEC_ID_HEVC,
676 .init = libx265_encode_init,
677 .init_static_data = libx265_encode_init_csp,
678 .encode2 = libx265_encode_frame,
679 .close = libx265_encode_close,
680 .priv_data_size = sizeof(libx265Context),
681 .priv_class = &class,
682 .defaults = x265_defaults,
683 .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS,
684 .wrapper_name = "libx265",
685 };
686