1/* 2 * Intel MediaSDK QSV codec-independent code 3 * 4 * copyright (c) 2013 Luca Barbato 5 * copyright (c) 2015 Anton Khirnov <anton@khirnov.net> 6 * 7 * This file is part of FFmpeg. 8 * 9 * FFmpeg is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU Lesser General Public 11 * License as published by the Free Software Foundation; either 12 * version 2.1 of the License, or (at your option) any later version. 13 * 14 * FFmpeg is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * Lesser General Public License for more details. 18 * 19 * You should have received a copy of the GNU Lesser General Public 20 * License along with FFmpeg; if not, write to the Free Software 21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 22 */ 23 24#include "config_components.h" 25 26#include <stdint.h> 27#include <string.h> 28#include <sys/types.h> 29 30#include <mfx/mfxvideo.h> 31 32#include "libavutil/common.h" 33#include "libavutil/fifo.h" 34#include "libavutil/frame.h" 35#include "libavutil/hwcontext.h" 36#include "libavutil/hwcontext_qsv.h" 37#include "libavutil/mem.h" 38#include "libavutil/log.h" 39#include "libavutil/opt.h" 40#include "libavutil/pixfmt.h" 41#include "libavutil/time.h" 42#include "libavutil/imgutils.h" 43#include "libavutil/film_grain_params.h" 44 45#include "avcodec.h" 46#include "codec_internal.h" 47#include "internal.h" 48#include "decode.h" 49#include "hwconfig.h" 50#include "qsv.h" 51#include "qsv_internal.h" 52 53static const AVRational mfx_tb = { 1, 90000 }; 54 55#define PTS_TO_MFX_PTS(pts, pts_tb) ((pts) == AV_NOPTS_VALUE ? \ 56 MFX_TIMESTAMP_UNKNOWN : pts_tb.num ? \ 57 av_rescale_q(pts, pts_tb, mfx_tb) : pts) 58 59#define MFX_PTS_TO_PTS(mfx_pts, pts_tb) ((mfx_pts) == MFX_TIMESTAMP_UNKNOWN ? \ 60 AV_NOPTS_VALUE : pts_tb.num ? \ 61 av_rescale_q(mfx_pts, mfx_tb, pts_tb) : mfx_pts) 62 63typedef struct QSVAsyncFrame { 64 mfxSyncPoint *sync; 65 QSVFrame *frame; 66} QSVAsyncFrame; 67 68typedef struct QSVContext { 69 // the session used for decoding 70 mfxSession session; 71 mfxVersion ver; 72 73 // the session we allocated internally, in case the caller did not provide 74 // one 75 QSVSession internal_qs; 76 77 QSVFramesContext frames_ctx; 78 79 /** 80 * a linked list of frames currently being used by QSV 81 */ 82 QSVFrame *work_frames; 83 84 AVFifo *async_fifo; 85 int zero_consume_run; 86 int reinit_flag; 87 88 enum AVPixelFormat orig_pix_fmt; 89 uint32_t fourcc; 90 mfxFrameInfo frame_info; 91 AVBufferPool *pool; 92 int suggest_pool_size; 93 int initialized; 94 95 // options set by the caller 96 int async_depth; 97 int iopattern; 98 int gpu_copy; 99 100 char *load_plugins; 101 102 mfxExtBuffer **ext_buffers; 103 int nb_ext_buffers; 104} QSVContext; 105 106static const AVCodecHWConfigInternal *const qsv_hw_configs[] = { 107 &(const AVCodecHWConfigInternal) { 108 .public = { 109 .pix_fmt = AV_PIX_FMT_QSV, 110 .methods = AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX | 111 AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX, 112 .device_type = AV_HWDEVICE_TYPE_QSV, 113 }, 114 .hwaccel = NULL, 115 }, 116 NULL 117}; 118 119static int qsv_get_continuous_buffer(AVCodecContext *avctx, AVFrame *frame, 120 AVBufferPool *pool) 121{ 122 int ret = 0; 123 124 ff_decode_frame_props(avctx, frame); 125 126 frame->width = avctx->width; 127 frame->height = avctx->height; 128 129 switch (avctx->pix_fmt) { 130 case AV_PIX_FMT_NV12: 131 frame->linesize[0] = FFALIGN(avctx->width, 128); 132 break; 133 case AV_PIX_FMT_P010: 134 case AV_PIX_FMT_YUYV422: 135 frame->linesize[0] = 2 * FFALIGN(avctx->width, 128); 136 break; 137 case AV_PIX_FMT_Y210: 138 frame->linesize[0] = 4 * FFALIGN(avctx->width, 128); 139 break; 140 default: 141 av_log(avctx, AV_LOG_ERROR, "Unsupported pixel format.\n"); 142 return AVERROR(EINVAL); 143 } 144 145 frame->buf[0] = av_buffer_pool_get(pool); 146 if (!frame->buf[0]) 147 return AVERROR(ENOMEM); 148 149 frame->data[0] = frame->buf[0]->data; 150 if (avctx->pix_fmt == AV_PIX_FMT_NV12 || 151 avctx->pix_fmt == AV_PIX_FMT_P010) { 152 frame->linesize[1] = frame->linesize[0]; 153 frame->data[1] = frame->data[0] + 154 frame->linesize[0] * FFALIGN(avctx->height, 64); 155 } 156 157 ret = ff_attach_decode_data(frame); 158 if (ret < 0) 159 return ret; 160 161 return 0; 162} 163 164static int qsv_init_session(AVCodecContext *avctx, QSVContext *q, mfxSession session, 165 AVBufferRef *hw_frames_ref, AVBufferRef *hw_device_ref) 166{ 167 int ret; 168 169 if (q->gpu_copy == MFX_GPUCOPY_ON && 170 !(q->iopattern & MFX_IOPATTERN_OUT_SYSTEM_MEMORY)) { 171 av_log(avctx, AV_LOG_WARNING, "GPU-accelerated memory copy " 172 "only works in system memory mode.\n"); 173 q->gpu_copy = MFX_GPUCOPY_OFF; 174 } 175 if (session) { 176 q->session = session; 177 } else if (hw_frames_ref) { 178 if (q->internal_qs.session) { 179 MFXClose(q->internal_qs.session); 180 q->internal_qs.session = NULL; 181 } 182 av_buffer_unref(&q->frames_ctx.hw_frames_ctx); 183 184 q->frames_ctx.hw_frames_ctx = av_buffer_ref(hw_frames_ref); 185 if (!q->frames_ctx.hw_frames_ctx) 186 return AVERROR(ENOMEM); 187 188 ret = ff_qsv_init_session_frames(avctx, &q->internal_qs.session, 189 &q->frames_ctx, q->load_plugins, 190 q->iopattern == MFX_IOPATTERN_OUT_OPAQUE_MEMORY, 191 q->gpu_copy); 192 if (ret < 0) { 193 av_buffer_unref(&q->frames_ctx.hw_frames_ctx); 194 return ret; 195 } 196 197 q->session = q->internal_qs.session; 198 } else if (hw_device_ref) { 199 if (q->internal_qs.session) { 200 MFXClose(q->internal_qs.session); 201 q->internal_qs.session = NULL; 202 } 203 204 ret = ff_qsv_init_session_device(avctx, &q->internal_qs.session, 205 hw_device_ref, q->load_plugins, q->gpu_copy); 206 if (ret < 0) 207 return ret; 208 209 q->session = q->internal_qs.session; 210 } else { 211 if (!q->internal_qs.session) { 212 ret = ff_qsv_init_internal_session(avctx, &q->internal_qs, 213 q->load_plugins, q->gpu_copy); 214 if (ret < 0) 215 return ret; 216 } 217 218 q->session = q->internal_qs.session; 219 } 220 221 if (MFXQueryVersion(q->session, &q->ver) != MFX_ERR_NONE) { 222 av_log(avctx, AV_LOG_ERROR, "Error querying the session version. \n"); 223 q->session = NULL; 224 225 if (q->internal_qs.session) { 226 MFXClose(q->internal_qs.session); 227 q->internal_qs.session = NULL; 228 } 229 230 return AVERROR_EXTERNAL; 231 } 232 233 /* make sure the decoder is uninitialized */ 234 MFXVideoDECODE_Close(q->session); 235 236 return 0; 237} 238 239static int qsv_decode_preinit(AVCodecContext *avctx, QSVContext *q, enum AVPixelFormat pix_fmt, mfxVideoParam *param) 240{ 241 mfxSession session = NULL; 242 int iopattern = 0; 243 int ret; 244 enum AVPixelFormat pix_fmts[3] = { 245 AV_PIX_FMT_QSV, /* opaque format in case of video memory output */ 246 pix_fmt, /* system memory format obtained from bitstream parser */ 247 AV_PIX_FMT_NONE }; 248 249 ret = ff_get_format(avctx, pix_fmts); 250 if (ret < 0) { 251 q->orig_pix_fmt = avctx->pix_fmt = AV_PIX_FMT_NONE; 252 return ret; 253 } 254 255 if (!q->async_fifo) { 256 q->async_fifo = av_fifo_alloc2(q->async_depth, sizeof(QSVAsyncFrame), 0); 257 if (!q->async_fifo) 258 return AVERROR(ENOMEM); 259 } 260 261 if (avctx->pix_fmt == AV_PIX_FMT_QSV && avctx->hwaccel_context) { 262 AVQSVContext *user_ctx = avctx->hwaccel_context; 263 session = user_ctx->session; 264 iopattern = user_ctx->iopattern; 265 q->ext_buffers = user_ctx->ext_buffers; 266 q->nb_ext_buffers = user_ctx->nb_ext_buffers; 267 } 268 269 if (avctx->hw_device_ctx && !avctx->hw_frames_ctx && ret == AV_PIX_FMT_QSV) { 270 AVHWFramesContext *hwframes_ctx; 271 AVQSVFramesContext *frames_hwctx; 272 273 avctx->hw_frames_ctx = av_hwframe_ctx_alloc(avctx->hw_device_ctx); 274 275 if (!avctx->hw_frames_ctx) { 276 av_log(avctx, AV_LOG_ERROR, "av_hwframe_ctx_alloc failed\n"); 277 return AVERROR(ENOMEM); 278 } 279 280 hwframes_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data; 281 frames_hwctx = hwframes_ctx->hwctx; 282 hwframes_ctx->width = FFALIGN(avctx->coded_width, 32); 283 hwframes_ctx->height = FFALIGN(avctx->coded_height, 32); 284 hwframes_ctx->format = AV_PIX_FMT_QSV; 285 hwframes_ctx->sw_format = avctx->sw_pix_fmt; 286 hwframes_ctx->initial_pool_size = q->suggest_pool_size + 16 + avctx->extra_hw_frames; 287 frames_hwctx->frame_type = MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET; 288 289 ret = av_hwframe_ctx_init(avctx->hw_frames_ctx); 290 291 if (ret < 0) { 292 av_log(NULL, AV_LOG_ERROR, "Error initializing a QSV frame pool\n"); 293 av_buffer_unref(&avctx->hw_frames_ctx); 294 return ret; 295 } 296 } 297 298 if (avctx->hw_frames_ctx) { 299 AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data; 300 AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx; 301 302 if (!iopattern) { 303 if (frames_hwctx->frame_type & MFX_MEMTYPE_OPAQUE_FRAME) 304 iopattern = MFX_IOPATTERN_OUT_OPAQUE_MEMORY; 305 else if (frames_hwctx->frame_type & MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET) 306 iopattern = MFX_IOPATTERN_OUT_VIDEO_MEMORY; 307 } 308 } 309 310 if (!iopattern) 311 iopattern = MFX_IOPATTERN_OUT_SYSTEM_MEMORY; 312 q->iopattern = iopattern; 313 314 ff_qsv_print_iopattern(avctx, q->iopattern, "Decoder"); 315 316 ret = qsv_init_session(avctx, q, session, avctx->hw_frames_ctx, avctx->hw_device_ctx); 317 if (ret < 0) { 318 av_log(avctx, AV_LOG_ERROR, "Error initializing an MFX session\n"); 319 return ret; 320 } 321 322 param->IOPattern = q->iopattern; 323 param->AsyncDepth = q->async_depth; 324 param->ExtParam = q->ext_buffers; 325 param->NumExtParam = q->nb_ext_buffers; 326 327 return 0; 328 } 329 330static int qsv_decode_init_context(AVCodecContext *avctx, QSVContext *q, mfxVideoParam *param) 331{ 332 int ret; 333 334 avctx->width = param->mfx.FrameInfo.CropW; 335 avctx->height = param->mfx.FrameInfo.CropH; 336 avctx->coded_width = param->mfx.FrameInfo.Width; 337 avctx->coded_height = param->mfx.FrameInfo.Height; 338 avctx->level = param->mfx.CodecLevel; 339 avctx->profile = param->mfx.CodecProfile; 340 avctx->field_order = ff_qsv_map_picstruct(param->mfx.FrameInfo.PicStruct); 341 avctx->pix_fmt = ff_qsv_map_fourcc(param->mfx.FrameInfo.FourCC); 342 343 ret = MFXVideoDECODE_Init(q->session, param); 344 if (ret < 0) 345 return ff_qsv_print_error(avctx, ret, 346 "Error initializing the MFX video decoder"); 347 348 q->frame_info = param->mfx.FrameInfo; 349 350 if (!avctx->hw_frames_ctx) 351 q->pool = av_buffer_pool_init(av_image_get_buffer_size(avctx->pix_fmt, 352 FFALIGN(avctx->width, 128), FFALIGN(avctx->height, 64), 1), av_buffer_allocz); 353 return 0; 354} 355 356static int qsv_decode_header(AVCodecContext *avctx, QSVContext *q, 357 const AVPacket *avpkt, enum AVPixelFormat pix_fmt, 358 mfxVideoParam *param) 359{ 360 int ret; 361 mfxExtVideoSignalInfo video_signal_info = { 0 }; 362 mfxExtBuffer *header_ext_params[1] = { (mfxExtBuffer *)&video_signal_info }; 363 mfxBitstream bs = { 0 }; 364 365 if (avpkt->size) { 366 bs.Data = avpkt->data; 367 bs.DataLength = avpkt->size; 368 bs.MaxLength = bs.DataLength; 369 bs.TimeStamp = PTS_TO_MFX_PTS(avpkt->pts, avctx->pkt_timebase); 370 if (avctx->field_order == AV_FIELD_PROGRESSIVE) 371 bs.DataFlag |= MFX_BITSTREAM_COMPLETE_FRAME; 372 } else 373 return AVERROR_INVALIDDATA; 374 375 376 if(!q->session) { 377 ret = qsv_decode_preinit(avctx, q, pix_fmt, param); 378 if (ret < 0) 379 return ret; 380 } 381 382 ret = ff_qsv_codec_id_to_mfx(avctx->codec_id); 383 if (ret < 0) 384 return ret; 385 386 param->mfx.CodecId = ret; 387 video_signal_info.Header.BufferId = MFX_EXTBUFF_VIDEO_SIGNAL_INFO; 388 video_signal_info.Header.BufferSz = sizeof(video_signal_info); 389 // The SDK doesn't support other ext buffers when calling MFXVideoDECODE_DecodeHeader, 390 // so do not append this buffer to the existent buffer array 391 param->ExtParam = header_ext_params; 392 param->NumExtParam = 1; 393 ret = MFXVideoDECODE_DecodeHeader(q->session, &bs, param); 394 if (MFX_ERR_MORE_DATA == ret) { 395 return AVERROR(EAGAIN); 396 } 397 if (ret < 0) 398 return ff_qsv_print_error(avctx, ret, 399 "Error decoding stream header"); 400 401 avctx->color_range = video_signal_info.VideoFullRange ? AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG; 402 403 if (video_signal_info.ColourDescriptionPresent) { 404 avctx->color_primaries = video_signal_info.ColourPrimaries; 405 avctx->color_trc = video_signal_info.TransferCharacteristics; 406 avctx->colorspace = video_signal_info.MatrixCoefficients; 407 } 408 409 param->ExtParam = q->ext_buffers; 410 param->NumExtParam = q->nb_ext_buffers; 411 412#if QSV_VERSION_ATLEAST(1, 34) 413 if (QSV_RUNTIME_VERSION_ATLEAST(q->ver, 1, 34) && avctx->codec_id == AV_CODEC_ID_AV1) 414 param->mfx.FilmGrain = (avctx->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN) ? 0 : param->mfx.FilmGrain; 415#endif 416 417 return 0; 418} 419 420static int alloc_frame(AVCodecContext *avctx, QSVContext *q, QSVFrame *frame) 421{ 422 int ret; 423 424 if (q->pool) 425 ret = qsv_get_continuous_buffer(avctx, frame->frame, q->pool); 426 else 427 ret = ff_get_buffer(avctx, frame->frame, AV_GET_BUFFER_FLAG_REF); 428 429 if (ret < 0) 430 return ret; 431 432 if (frame->frame->format == AV_PIX_FMT_QSV) { 433 frame->surface = *(mfxFrameSurface1*)frame->frame->data[3]; 434 } else { 435 ret = ff_qsv_map_frame_to_surface(frame->frame, &frame->surface); 436 if (ret < 0) { 437 av_log(avctx, AV_LOG_ERROR, "map frame to surface failed.\n"); 438 return ret; 439 } 440 } 441 442 frame->surface.Info = q->frame_info; 443 444 if (q->frames_ctx.mids) { 445 ret = ff_qsv_find_surface_idx(&q->frames_ctx, frame); 446 if (ret < 0) 447 return ret; 448 449 frame->surface.Data.MemId = &q->frames_ctx.mids[ret]; 450 } 451 452 frame->surface.Data.ExtParam = frame->ext_param; 453 frame->surface.Data.NumExtParam = 0; 454 frame->num_ext_params = 0; 455 frame->dec_info.Header.BufferId = MFX_EXTBUFF_DECODED_FRAME_INFO; 456 frame->dec_info.Header.BufferSz = sizeof(frame->dec_info); 457 ff_qsv_frame_add_ext_param(avctx, frame, (mfxExtBuffer *)&frame->dec_info); 458#if QSV_VERSION_ATLEAST(1, 34) 459 if (QSV_RUNTIME_VERSION_ATLEAST(q->ver, 1, 34) && avctx->codec_id == AV_CODEC_ID_AV1) { 460 frame->av1_film_grain_param.Header.BufferId = MFX_EXTBUFF_AV1_FILM_GRAIN_PARAM; 461 frame->av1_film_grain_param.Header.BufferSz = sizeof(frame->av1_film_grain_param); 462 frame->av1_film_grain_param.FilmGrainFlags = 0; 463 ff_qsv_frame_add_ext_param(avctx, frame, (mfxExtBuffer *)&frame->av1_film_grain_param); 464 } 465#endif 466 467 frame->used = 1; 468 469 return 0; 470} 471 472static void qsv_clear_unused_frames(QSVContext *q) 473{ 474 QSVFrame *cur = q->work_frames; 475 while (cur) { 476 if (cur->used && !cur->surface.Data.Locked && !cur->queued) { 477 cur->used = 0; 478 av_frame_unref(cur->frame); 479 } 480 cur = cur->next; 481 } 482} 483 484static int get_surface(AVCodecContext *avctx, QSVContext *q, mfxFrameSurface1 **surf) 485{ 486 QSVFrame *frame, **last; 487 int ret; 488 489 qsv_clear_unused_frames(q); 490 491 frame = q->work_frames; 492 last = &q->work_frames; 493 while (frame) { 494 if (!frame->used) { 495 ret = alloc_frame(avctx, q, frame); 496 if (ret < 0) 497 return ret; 498 *surf = &frame->surface; 499 return 0; 500 } 501 502 last = &frame->next; 503 frame = frame->next; 504 } 505 506 frame = av_mallocz(sizeof(*frame)); 507 if (!frame) 508 return AVERROR(ENOMEM); 509 frame->frame = av_frame_alloc(); 510 if (!frame->frame) { 511 av_freep(&frame); 512 return AVERROR(ENOMEM); 513 } 514 *last = frame; 515 516 ret = alloc_frame(avctx, q, frame); 517 if (ret < 0) 518 return ret; 519 520 *surf = &frame->surface; 521 522 return 0; 523} 524 525static QSVFrame *find_frame(QSVContext *q, mfxFrameSurface1 *surf) 526{ 527 QSVFrame *cur = q->work_frames; 528 while (cur) { 529 if (surf == &cur->surface) 530 return cur; 531 cur = cur->next; 532 } 533 return NULL; 534} 535 536#if QSV_VERSION_ATLEAST(1, 34) 537static int qsv_export_film_grain(AVCodecContext *avctx, mfxExtAV1FilmGrainParam *ext_param, AVFrame *frame) 538{ 539 AVFilmGrainParams *fgp; 540 AVFilmGrainAOMParams *aom; 541 int i; 542 543 if (!(ext_param->FilmGrainFlags & MFX_FILM_GRAIN_APPLY)) 544 return 0; 545 546 fgp = av_film_grain_params_create_side_data(frame); 547 548 if (!fgp) 549 return AVERROR(ENOMEM); 550 551 fgp->type = AV_FILM_GRAIN_PARAMS_AV1; 552 fgp->seed = ext_param->GrainSeed; 553 aom = &fgp->codec.aom; 554 555 aom->chroma_scaling_from_luma = !!(ext_param->FilmGrainFlags & MFX_FILM_GRAIN_CHROMA_SCALING_FROM_LUMA); 556 aom->scaling_shift = ext_param->GrainScalingMinus8 + 8; 557 aom->ar_coeff_lag = ext_param->ArCoeffLag; 558 aom->ar_coeff_shift = ext_param->ArCoeffShiftMinus6 + 6; 559 aom->grain_scale_shift = ext_param->GrainScaleShift; 560 aom->overlap_flag = !!(ext_param->FilmGrainFlags & MFX_FILM_GRAIN_OVERLAP); 561 aom->limit_output_range = !!(ext_param->FilmGrainFlags & MFX_FILM_GRAIN_CLIP_TO_RESTRICTED_RANGE); 562 563 aom->num_y_points = ext_param->NumYPoints; 564 565 for (i = 0; i < aom->num_y_points; i++) { 566 aom->y_points[i][0] = ext_param->PointY[i].Value; 567 aom->y_points[i][1] = ext_param->PointY[i].Scaling; 568 } 569 570 aom->num_uv_points[0] = ext_param->NumCbPoints; 571 572 for (i = 0; i < aom->num_uv_points[0]; i++) { 573 aom->uv_points[0][i][0] = ext_param->PointCb[i].Value; 574 aom->uv_points[0][i][1] = ext_param->PointCb[i].Scaling; 575 } 576 577 aom->num_uv_points[1] = ext_param->NumCrPoints; 578 579 for (i = 0; i < aom->num_uv_points[1]; i++) { 580 aom->uv_points[1][i][0] = ext_param->PointCr[i].Value; 581 aom->uv_points[1][i][1] = ext_param->PointCr[i].Scaling; 582 } 583 584 for (i = 0; i < 24; i++) 585 aom->ar_coeffs_y[i] = ext_param->ArCoeffsYPlus128[i] - 128; 586 587 for (i = 0; i < 25; i++) { 588 aom->ar_coeffs_uv[0][i] = ext_param->ArCoeffsCbPlus128[i] - 128; 589 aom->ar_coeffs_uv[1][i] = ext_param->ArCoeffsCrPlus128[i] - 128; 590 } 591 592 aom->uv_mult[0] = ext_param->CbMult; 593 aom->uv_mult[1] = ext_param->CrMult; 594 aom->uv_mult_luma[0] = ext_param->CbLumaMult; 595 aom->uv_mult_luma[1] = ext_param->CrLumaMult; 596 aom->uv_offset[0] = ext_param->CbOffset; 597 aom->uv_offset[1] = ext_param->CrOffset; 598 599 return 0; 600} 601#endif 602 603static int qsv_decode(AVCodecContext *avctx, QSVContext *q, 604 AVFrame *frame, int *got_frame, 605 const AVPacket *avpkt) 606{ 607 mfxFrameSurface1 *insurf; 608 mfxFrameSurface1 *outsurf; 609 mfxSyncPoint *sync; 610 mfxBitstream bs = { { { 0 } } }; 611 int ret; 612 613 if (avpkt->size) { 614 bs.Data = avpkt->data; 615 bs.DataLength = avpkt->size; 616 bs.MaxLength = bs.DataLength; 617 bs.TimeStamp = PTS_TO_MFX_PTS(avpkt->pts, avctx->pkt_timebase); 618 if (avctx->field_order == AV_FIELD_PROGRESSIVE) 619 bs.DataFlag |= MFX_BITSTREAM_COMPLETE_FRAME; 620 } 621 622 sync = av_mallocz(sizeof(*sync)); 623 if (!sync) { 624 av_freep(&sync); 625 return AVERROR(ENOMEM); 626 } 627 628 do { 629 ret = get_surface(avctx, q, &insurf); 630 if (ret < 0) { 631 av_freep(&sync); 632 return ret; 633 } 634 635 ret = MFXVideoDECODE_DecodeFrameAsync(q->session, avpkt->size ? &bs : NULL, 636 insurf, &outsurf, sync); 637 if (ret == MFX_WRN_DEVICE_BUSY) 638 av_usleep(500); 639 640 } while (ret == MFX_WRN_DEVICE_BUSY || ret == MFX_ERR_MORE_SURFACE); 641 642 if (ret == MFX_ERR_INCOMPATIBLE_VIDEO_PARAM) { 643 q->reinit_flag = 1; 644 av_log(avctx, AV_LOG_DEBUG, "Video parameter change\n"); 645 av_freep(&sync); 646 return 0; 647 } 648 649 if (ret != MFX_ERR_NONE && 650 ret != MFX_ERR_MORE_DATA && 651 ret != MFX_WRN_VIDEO_PARAM_CHANGED && 652 ret != MFX_ERR_MORE_SURFACE) { 653 av_freep(&sync); 654 return ff_qsv_print_error(avctx, ret, 655 "Error during QSV decoding."); 656 } 657 658 /* make sure we do not enter an infinite loop if the SDK 659 * did not consume any data and did not return anything */ 660 if (!*sync && !bs.DataOffset) { 661 bs.DataOffset = avpkt->size; 662 ++q->zero_consume_run; 663 if (q->zero_consume_run > 1) 664 ff_qsv_print_warning(avctx, ret, "A decode call did not consume any data"); 665 } else { 666 q->zero_consume_run = 0; 667 } 668 669 if (*sync) { 670 QSVAsyncFrame aframe; 671 QSVFrame *out_frame = find_frame(q, outsurf); 672 673 if (!out_frame) { 674 av_log(avctx, AV_LOG_ERROR, 675 "The returned surface does not correspond to any frame\n"); 676 av_freep(&sync); 677 return AVERROR_BUG; 678 } 679 680 out_frame->queued += 1; 681 682 aframe = (QSVAsyncFrame){ sync, out_frame }; 683 av_fifo_write(q->async_fifo, &aframe, 1); 684 } else { 685 av_freep(&sync); 686 } 687 688 if ((av_fifo_can_read(q->async_fifo) >= q->async_depth) || 689 (!avpkt->size && av_fifo_can_read(q->async_fifo))) { 690 QSVAsyncFrame aframe; 691 AVFrame *src_frame; 692 693 av_fifo_read(q->async_fifo, &aframe, 1); 694 aframe.frame->queued -= 1; 695 696 if (avctx->pix_fmt != AV_PIX_FMT_QSV) { 697 do { 698 ret = MFXVideoCORE_SyncOperation(q->session, *aframe.sync, 1000); 699 } while (ret == MFX_WRN_IN_EXECUTION); 700 } 701 702 av_freep(&aframe.sync); 703 704 src_frame = aframe.frame->frame; 705 706 ret = av_frame_ref(frame, src_frame); 707 if (ret < 0) 708 return ret; 709 710 outsurf = &aframe.frame->surface; 711 712 frame->pts = MFX_PTS_TO_PTS(outsurf->Data.TimeStamp, avctx->pkt_timebase); 713#if QSV_VERSION_ATLEAST(1, 34) 714 if ((avctx->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN) && 715 QSV_RUNTIME_VERSION_ATLEAST(q->ver, 1, 34) && 716 avctx->codec_id == AV_CODEC_ID_AV1) { 717 ret = qsv_export_film_grain(avctx, &aframe.frame->av1_film_grain_param, frame); 718 719 if (ret < 0) 720 return ret; 721 } 722#endif 723 724 frame->repeat_pict = 725 outsurf->Info.PicStruct & MFX_PICSTRUCT_FRAME_TRIPLING ? 4 : 726 outsurf->Info.PicStruct & MFX_PICSTRUCT_FRAME_DOUBLING ? 2 : 727 outsurf->Info.PicStruct & MFX_PICSTRUCT_FIELD_REPEATED ? 1 : 0; 728 frame->top_field_first = 729 outsurf->Info.PicStruct & MFX_PICSTRUCT_FIELD_TFF; 730 frame->interlaced_frame = 731 !(outsurf->Info.PicStruct & MFX_PICSTRUCT_PROGRESSIVE); 732 frame->pict_type = ff_qsv_map_pictype(aframe.frame->dec_info.FrameType); 733 //Key frame is IDR frame is only suitable for H264. For HEVC, IRAPs are key frames. 734 if (avctx->codec_id == AV_CODEC_ID_H264) 735 frame->key_frame = !!(aframe.frame->dec_info.FrameType & MFX_FRAMETYPE_IDR); 736 737 /* update the surface properties */ 738 if (avctx->pix_fmt == AV_PIX_FMT_QSV) 739 ((mfxFrameSurface1*)frame->data[3])->Info = outsurf->Info; 740 741 *got_frame = 1; 742 } 743 744 return bs.DataOffset; 745} 746 747static void qsv_decode_close_qsvcontext(QSVContext *q) 748{ 749 QSVFrame *cur = q->work_frames; 750 751 if (q->session) 752 MFXVideoDECODE_Close(q->session); 753 754 if (q->async_fifo) { 755 QSVAsyncFrame aframe; 756 while (av_fifo_read(q->async_fifo, &aframe, 1) >= 0) 757 av_freep(&aframe.sync); 758 av_fifo_freep2(&q->async_fifo); 759 } 760 761 while (cur) { 762 q->work_frames = cur->next; 763 av_frame_free(&cur->frame); 764 av_freep(&cur); 765 cur = q->work_frames; 766 } 767 768 ff_qsv_close_internal_session(&q->internal_qs); 769 770 av_buffer_unref(&q->frames_ctx.hw_frames_ctx); 771 av_buffer_unref(&q->frames_ctx.mids_buf); 772 av_buffer_pool_uninit(&q->pool); 773} 774 775static int qsv_process_data(AVCodecContext *avctx, QSVContext *q, 776 AVFrame *frame, int *got_frame, const AVPacket *pkt) 777{ 778 int ret; 779 mfxVideoParam param = { 0 }; 780 enum AVPixelFormat pix_fmt = AV_PIX_FMT_NV12; 781 782 if (!pkt->size) 783 return qsv_decode(avctx, q, frame, got_frame, pkt); 784 785 /* TODO: flush delayed frames on reinit */ 786 787 // sw_pix_fmt, coded_width/height should be set for ff_get_format(), 788 // assume sw_pix_fmt is NV12 and coded_width/height to be 1280x720, 789 // the assumption may be not corret but will be updated after header decoded if not true. 790 if (q->orig_pix_fmt != AV_PIX_FMT_NONE) 791 pix_fmt = q->orig_pix_fmt; 792 if (!avctx->coded_width) 793 avctx->coded_width = 1280; 794 if (!avctx->coded_height) 795 avctx->coded_height = 720; 796 797 /* decode zero-size pkt to flush the buffered pkt before reinit */ 798 if (q->reinit_flag) { 799 AVPacket zero_pkt = {0}; 800 ret = qsv_decode(avctx, q, frame, got_frame, &zero_pkt); 801 if (ret < 0 || *got_frame) 802 return ret; 803 } 804 805 if (q->reinit_flag || !q->session || !q->initialized) { 806 mfxFrameAllocRequest request; 807 memset(&request, 0, sizeof(request)); 808 809 q->reinit_flag = 0; 810 ret = qsv_decode_header(avctx, q, pkt, pix_fmt, ¶m); 811 if (ret < 0) { 812 if (ret == AVERROR(EAGAIN)) 813 av_log(avctx, AV_LOG_INFO, "More data is required to decode header\n"); 814 else 815 av_log(avctx, AV_LOG_ERROR, "Error decoding header\n"); 816 goto reinit_fail; 817 } 818 param.IOPattern = q->iopattern; 819 820 q->orig_pix_fmt = avctx->pix_fmt = pix_fmt = ff_qsv_map_fourcc(param.mfx.FrameInfo.FourCC); 821 822 avctx->coded_width = param.mfx.FrameInfo.Width; 823 avctx->coded_height = param.mfx.FrameInfo.Height; 824 825 ret = MFXVideoDECODE_QueryIOSurf(q->session, ¶m, &request); 826 if (ret < 0) 827 return ff_qsv_print_error(avctx, ret, "Error querying IO surface"); 828 829 q->suggest_pool_size = request.NumFrameSuggested; 830 831 ret = qsv_decode_preinit(avctx, q, pix_fmt, ¶m); 832 if (ret < 0) 833 goto reinit_fail; 834 q->initialized = 0; 835 } 836 837 if (!q->initialized) { 838 ret = qsv_decode_init_context(avctx, q, ¶m); 839 if (ret < 0) 840 goto reinit_fail; 841 q->initialized = 1; 842 } 843 844 return qsv_decode(avctx, q, frame, got_frame, pkt); 845 846reinit_fail: 847 q->orig_pix_fmt = avctx->pix_fmt = AV_PIX_FMT_NONE; 848 return ret; 849} 850 851enum LoadPlugin { 852 LOAD_PLUGIN_NONE, 853 LOAD_PLUGIN_HEVC_SW, 854 LOAD_PLUGIN_HEVC_HW, 855}; 856 857typedef struct QSVDecContext { 858 AVClass *class; 859 QSVContext qsv; 860 861 int load_plugin; 862 863 AVFifo *packet_fifo; 864 865 AVPacket buffer_pkt; 866} QSVDecContext; 867 868static void qsv_clear_buffers(QSVDecContext *s) 869{ 870 AVPacket pkt; 871 while (av_fifo_read(s->packet_fifo, &pkt, 1) >= 0) 872 av_packet_unref(&pkt); 873 874 av_packet_unref(&s->buffer_pkt); 875} 876 877static av_cold int qsv_decode_close(AVCodecContext *avctx) 878{ 879 QSVDecContext *s = avctx->priv_data; 880 881 qsv_decode_close_qsvcontext(&s->qsv); 882 883 qsv_clear_buffers(s); 884 885 av_fifo_freep2(&s->packet_fifo); 886 887 return 0; 888} 889 890static av_cold int qsv_decode_init(AVCodecContext *avctx) 891{ 892 QSVDecContext *s = avctx->priv_data; 893 int ret; 894 const char *uid = NULL; 895 896 if (avctx->codec_id == AV_CODEC_ID_VP8) { 897 uid = "f622394d8d87452f878c51f2fc9b4131"; 898 } else if (avctx->codec_id == AV_CODEC_ID_VP9) { 899 uid = "a922394d8d87452f878c51f2fc9b4131"; 900 } 901 else if (avctx->codec_id == AV_CODEC_ID_HEVC && s->load_plugin != LOAD_PLUGIN_NONE) { 902 static const char * const uid_hevcdec_sw = "15dd936825ad475ea34e35f3f54217a6"; 903 static const char * const uid_hevcdec_hw = "33a61c0b4c27454ca8d85dde757c6f8e"; 904 905 if (s->qsv.load_plugins[0]) { 906 av_log(avctx, AV_LOG_WARNING, 907 "load_plugins is not empty, but load_plugin is not set to 'none'." 908 "The load_plugin value will be ignored.\n"); 909 } else { 910 if (s->load_plugin == LOAD_PLUGIN_HEVC_SW) 911 uid = uid_hevcdec_sw; 912 else 913 uid = uid_hevcdec_hw; 914 } 915 } 916 if (uid) { 917 av_freep(&s->qsv.load_plugins); 918 s->qsv.load_plugins = av_strdup(uid); 919 if (!s->qsv.load_plugins) 920 return AVERROR(ENOMEM); 921 } 922 923 s->qsv.orig_pix_fmt = AV_PIX_FMT_NV12; 924 s->packet_fifo = av_fifo_alloc2(1, sizeof(AVPacket), 925 AV_FIFO_FLAG_AUTO_GROW); 926 if (!s->packet_fifo) { 927 ret = AVERROR(ENOMEM); 928 goto fail; 929 } 930 931 if (!avctx->pkt_timebase.num) 932 av_log(avctx, AV_LOG_WARNING, "Invalid pkt_timebase, passing timestamps as-is.\n"); 933 934 return 0; 935fail: 936 qsv_decode_close(avctx); 937 return ret; 938} 939 940static int qsv_decode_frame(AVCodecContext *avctx, AVFrame *frame, 941 int *got_frame, AVPacket *avpkt) 942{ 943 QSVDecContext *s = avctx->priv_data; 944 int ret; 945 946 /* buffer the input packet */ 947 if (avpkt->size) { 948 AVPacket input_ref; 949 950 ret = av_packet_ref(&input_ref, avpkt); 951 if (ret < 0) 952 return ret; 953 av_fifo_write(s->packet_fifo, &input_ref, 1); 954 } 955 956 /* process buffered data */ 957 while (!*got_frame) { 958 /* prepare the input data */ 959 if (s->buffer_pkt.size <= 0) { 960 /* no more data */ 961 if (!av_fifo_can_read(s->packet_fifo)) 962 return avpkt->size ? avpkt->size : qsv_process_data(avctx, &s->qsv, frame, got_frame, avpkt); 963 /* in progress of reinit, no read from fifo and keep the buffer_pkt */ 964 if (!s->qsv.reinit_flag) { 965 av_packet_unref(&s->buffer_pkt); 966 av_fifo_read(s->packet_fifo, &s->buffer_pkt, 1); 967 } 968 } 969 970 ret = qsv_process_data(avctx, &s->qsv, frame, got_frame, &s->buffer_pkt); 971 if (ret < 0){ 972 /* Drop buffer_pkt when failed to decode the packet. Otherwise, 973 the decoder will keep decoding the failure packet. */ 974 av_packet_unref(&s->buffer_pkt); 975 return ret; 976 } 977 if (s->qsv.reinit_flag) 978 continue; 979 980 s->buffer_pkt.size -= ret; 981 s->buffer_pkt.data += ret; 982 } 983 984 return avpkt->size; 985} 986 987static void qsv_decode_flush(AVCodecContext *avctx) 988{ 989 QSVDecContext *s = avctx->priv_data; 990 991 qsv_clear_buffers(s); 992 993 s->qsv.orig_pix_fmt = AV_PIX_FMT_NONE; 994 s->qsv.initialized = 0; 995} 996 997#define OFFSET(x) offsetof(QSVDecContext, x) 998#define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM 999 1000#define DEFINE_QSV_DECODER_WITH_OPTION(x, X, bsf_name, opt) \ 1001static const AVClass x##_qsv_class = { \ 1002 .class_name = #x "_qsv", \ 1003 .item_name = av_default_item_name, \ 1004 .option = opt, \ 1005 .version = LIBAVUTIL_VERSION_INT, \ 1006}; \ 1007const FFCodec ff_##x##_qsv_decoder = { \ 1008 .p.name = #x "_qsv", \ 1009 .p.long_name = NULL_IF_CONFIG_SMALL(#X " video (Intel Quick Sync Video acceleration)"), \ 1010 .priv_data_size = sizeof(QSVDecContext), \ 1011 .p.type = AVMEDIA_TYPE_VIDEO, \ 1012 .p.id = AV_CODEC_ID_##X, \ 1013 .init = qsv_decode_init, \ 1014 FF_CODEC_DECODE_CB(qsv_decode_frame), \ 1015 .flush = qsv_decode_flush, \ 1016 .close = qsv_decode_close, \ 1017 .bsfs = bsf_name, \ 1018 .p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_DR1 | AV_CODEC_CAP_AVOID_PROBING | AV_CODEC_CAP_HYBRID, \ 1019 .p.priv_class = &x##_qsv_class, \ 1020 .p.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12, \ 1021 AV_PIX_FMT_P010, \ 1022 AV_PIX_FMT_YUYV422, \ 1023 AV_PIX_FMT_Y210, \ 1024 AV_PIX_FMT_QSV, \ 1025 AV_PIX_FMT_NONE }, \ 1026 .hw_configs = qsv_hw_configs, \ 1027 .p.wrapper_name = "qsv", \ 1028}; \ 1029 1030#define DEFINE_QSV_DECODER(x, X, bsf_name) DEFINE_QSV_DECODER_WITH_OPTION(x, X, bsf_name, options) 1031 1032#if CONFIG_HEVC_QSV_DECODER 1033static const AVOption hevc_options[] = { 1034 { "async_depth", "Internal parallelization depth, the higher the value the higher the latency.", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 1, INT_MAX, VD }, 1035 1036 { "load_plugin", "A user plugin to load in an internal session", OFFSET(load_plugin), AV_OPT_TYPE_INT, { .i64 = LOAD_PLUGIN_HEVC_HW }, LOAD_PLUGIN_NONE, LOAD_PLUGIN_HEVC_HW, VD, "load_plugin" }, 1037 { "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LOAD_PLUGIN_NONE }, 0, 0, VD, "load_plugin" }, 1038 { "hevc_sw", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LOAD_PLUGIN_HEVC_SW }, 0, 0, VD, "load_plugin" }, 1039 { "hevc_hw", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LOAD_PLUGIN_HEVC_HW }, 0, 0, VD, "load_plugin" }, 1040 1041 { "load_plugins", "A :-separate list of hexadecimal plugin UIDs to load in an internal session", 1042 OFFSET(qsv.load_plugins), AV_OPT_TYPE_STRING, { .str = "" }, 0, 0, VD }, 1043 1044 { "gpu_copy", "A GPU-accelerated copy between video and system memory", OFFSET(qsv.gpu_copy), AV_OPT_TYPE_INT, { .i64 = MFX_GPUCOPY_DEFAULT }, MFX_GPUCOPY_DEFAULT, MFX_GPUCOPY_OFF, VD, "gpu_copy"}, 1045 { "default", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_GPUCOPY_DEFAULT }, 0, 0, VD, "gpu_copy"}, 1046 { "on", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_GPUCOPY_ON }, 0, 0, VD, "gpu_copy"}, 1047 { "off", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_GPUCOPY_OFF }, 0, 0, VD, "gpu_copy"}, 1048 { NULL }, 1049}; 1050DEFINE_QSV_DECODER_WITH_OPTION(hevc, HEVC, "hevc_mp4toannexb", hevc_options) 1051#endif 1052 1053static const AVOption options[] = { 1054 { "async_depth", "Internal parallelization depth, the higher the value the higher the latency.", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 1, INT_MAX, VD }, 1055 1056 { "gpu_copy", "A GPU-accelerated copy between video and system memory", OFFSET(qsv.gpu_copy), AV_OPT_TYPE_INT, { .i64 = MFX_GPUCOPY_DEFAULT }, MFX_GPUCOPY_DEFAULT, MFX_GPUCOPY_OFF, VD, "gpu_copy"}, 1057 { "default", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_GPUCOPY_DEFAULT }, 0, 0, VD, "gpu_copy"}, 1058 { "on", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_GPUCOPY_ON }, 0, 0, VD, "gpu_copy"}, 1059 { "off", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_GPUCOPY_OFF }, 0, 0, VD, "gpu_copy"}, 1060 { NULL }, 1061}; 1062 1063#if CONFIG_H264_QSV_DECODER 1064DEFINE_QSV_DECODER(h264, H264, "h264_mp4toannexb") 1065#endif 1066 1067#if CONFIG_MPEG2_QSV_DECODER 1068DEFINE_QSV_DECODER(mpeg2, MPEG2VIDEO, NULL) 1069#endif 1070 1071#if CONFIG_VC1_QSV_DECODER 1072DEFINE_QSV_DECODER(vc1, VC1, NULL) 1073#endif 1074 1075#if CONFIG_MJPEG_QSV_DECODER 1076DEFINE_QSV_DECODER(mjpeg, MJPEG, NULL) 1077#endif 1078 1079#if CONFIG_VP8_QSV_DECODER 1080DEFINE_QSV_DECODER(vp8, VP8, NULL) 1081#endif 1082 1083#if CONFIG_VP9_QSV_DECODER 1084DEFINE_QSV_DECODER(vp9, VP9, NULL) 1085#endif 1086 1087#if CONFIG_AV1_QSV_DECODER 1088DEFINE_QSV_DECODER(av1, AV1, NULL) 1089#endif 1090