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 41typedef 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 67static 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 82static 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 95static 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 110static 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 125static 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 438static 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 502static 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 646static 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 658static 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 675static 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 697static 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 709static 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 721static const AVClass class = { 722 .class_name = "libx265", 723 .item_name = av_default_item_name, 724 .option = options, 725 .version = LIBAVUTIL_VERSION_INT, 726}; 727 728static 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 744FFCodec 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