FFmpeg  4.4
qsvdec.c
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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 <stdint.h>
25 #include <string.h>
26 #include <sys/types.h>
27 
28 #include <mfx/mfxvideo.h>
29 
30 #include "libavutil/common.h"
31 #include "libavutil/fifo.h"
32 #include "libavutil/frame.h"
33 #include "libavutil/hwcontext.h"
35 #include "libavutil/mem.h"
36 #include "libavutil/log.h"
37 #include "libavutil/opt.h"
38 #include "libavutil/pixfmt.h"
39 #include "libavutil/time.h"
40 #include "libavutil/imgutils.h"
41 
42 #include "avcodec.h"
43 #include "internal.h"
44 #include "decode.h"
45 #include "hwconfig.h"
46 #include "qsv.h"
47 #include "qsv_internal.h"
48 
49 typedef struct QSVContext {
50  // the session used for decoding
51  mfxSession session;
52 
53  // the session we allocated internally, in case the caller did not provide
54  // one
56 
58 
59  /**
60  * a linked list of frames currently being used by QSV
61  */
63 
68 
70  uint32_t fourcc;
71  mfxFrameInfo frame_info;
73 
75 
76  // options set by the caller
78  int iopattern;
79  int gpu_copy;
80 
81  char *load_plugins;
82 
83  mfxExtBuffer **ext_buffers;
85 } QSVContext;
86 
87 static const AVCodecHWConfigInternal *const qsv_hw_configs[] = {
88  &(const AVCodecHWConfigInternal) {
89  .public = {
93  .device_type = AV_HWDEVICE_TYPE_QSV,
94  },
95  .hwaccel = NULL,
96  },
97  NULL
98 };
99 
101  AVBufferPool *pool)
102 {
103  int ret = 0;
104 
106 
107  frame->width = avctx->width;
108  frame->height = avctx->height;
109 
110  switch (avctx->pix_fmt) {
111  case AV_PIX_FMT_NV12:
112  frame->linesize[0] = FFALIGN(avctx->width, 128);
113  break;
114  case AV_PIX_FMT_P010:
115  frame->linesize[0] = 2 * FFALIGN(avctx->width, 128);
116  break;
117  default:
118  av_log(avctx, AV_LOG_ERROR, "Unsupported pixel format.\n");
119  return AVERROR(EINVAL);
120  }
121 
122  frame->linesize[1] = frame->linesize[0];
123  frame->buf[0] = av_buffer_pool_get(pool);
124  if (!frame->buf[0])
125  return AVERROR(ENOMEM);
126 
127  frame->data[0] = frame->buf[0]->data;
128  frame->data[1] = frame->data[0] +
129  frame->linesize[0] * FFALIGN(avctx->height, 64);
130 
132  if (ret < 0)
133  return ret;
134 
135  return 0;
136 }
137 
138 static int qsv_init_session(AVCodecContext *avctx, QSVContext *q, mfxSession session,
139  AVBufferRef *hw_frames_ref, AVBufferRef *hw_device_ref)
140 {
141  int ret;
142 
143  if (q->gpu_copy == MFX_GPUCOPY_ON &&
144  !(q->iopattern & MFX_IOPATTERN_OUT_SYSTEM_MEMORY)) {
145  av_log(avctx, AV_LOG_WARNING, "GPU-accelerated memory copy "
146  "only works in system memory mode.\n");
147  q->gpu_copy = MFX_GPUCOPY_OFF;
148  }
149  if (session) {
150  q->session = session;
151  } else if (hw_frames_ref) {
152  if (q->internal_qs.session) {
153  MFXClose(q->internal_qs.session);
154  q->internal_qs.session = NULL;
155  }
157 
158  q->frames_ctx.hw_frames_ctx = av_buffer_ref(hw_frames_ref);
159  if (!q->frames_ctx.hw_frames_ctx)
160  return AVERROR(ENOMEM);
161 
163  &q->frames_ctx, q->load_plugins,
164  q->iopattern == MFX_IOPATTERN_OUT_OPAQUE_MEMORY,
165  q->gpu_copy);
166  if (ret < 0) {
168  return ret;
169  }
170 
171  q->session = q->internal_qs.session;
172  } else if (hw_device_ref) {
173  if (q->internal_qs.session) {
174  MFXClose(q->internal_qs.session);
175  q->internal_qs.session = NULL;
176  }
177 
179  hw_device_ref, q->load_plugins, q->gpu_copy);
180  if (ret < 0)
181  return ret;
182 
183  q->session = q->internal_qs.session;
184  } else {
185  if (!q->internal_qs.session) {
186  ret = ff_qsv_init_internal_session(avctx, &q->internal_qs,
187  q->load_plugins, q->gpu_copy);
188  if (ret < 0)
189  return ret;
190  }
191 
192  q->session = q->internal_qs.session;
193  }
194 
195  /* make sure the decoder is uninitialized */
196  MFXVideoDECODE_Close(q->session);
197 
198  return 0;
199 }
200 
201 static inline unsigned int qsv_fifo_item_size(void)
202 {
203  return sizeof(mfxSyncPoint*) + sizeof(QSVFrame*);
204 }
205 
206 static inline unsigned int qsv_fifo_size(const AVFifoBuffer* fifo)
207 {
208  return av_fifo_size(fifo) / qsv_fifo_item_size();
209 }
210 
211 static int qsv_decode_preinit(AVCodecContext *avctx, QSVContext *q, enum AVPixelFormat pix_fmt, mfxVideoParam *param)
212 {
213  mfxSession session = NULL;
214  int iopattern = 0;
215  int ret;
216  enum AVPixelFormat pix_fmts[3] = {
217  AV_PIX_FMT_QSV, /* opaque format in case of video memory output */
218  pix_fmt, /* system memory format obtained from bitstream parser */
219  AV_PIX_FMT_NONE };
220 
221  ret = ff_get_format(avctx, pix_fmts);
222  if (ret < 0) {
223  q->orig_pix_fmt = avctx->pix_fmt = AV_PIX_FMT_NONE;
224  return ret;
225  }
226 
227  if (!q->async_fifo) {
229  if (!q->async_fifo)
230  return AVERROR(ENOMEM);
231  }
232 
233  if (avctx->pix_fmt == AV_PIX_FMT_QSV && avctx->hwaccel_context) {
234  AVQSVContext *user_ctx = avctx->hwaccel_context;
235  session = user_ctx->session;
236  iopattern = user_ctx->iopattern;
237  q->ext_buffers = user_ctx->ext_buffers;
238  q->nb_ext_buffers = user_ctx->nb_ext_buffers;
239  }
240 
241  if (avctx->hw_frames_ctx) {
242  AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
243  AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
244 
245  if (!iopattern) {
246  if (frames_hwctx->frame_type & MFX_MEMTYPE_OPAQUE_FRAME)
247  iopattern = MFX_IOPATTERN_OUT_OPAQUE_MEMORY;
248  else if (frames_hwctx->frame_type & MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET)
249  iopattern = MFX_IOPATTERN_OUT_VIDEO_MEMORY;
250  }
251  }
252 
253  if (!iopattern)
254  iopattern = MFX_IOPATTERN_OUT_SYSTEM_MEMORY;
255  q->iopattern = iopattern;
256 
257  ff_qsv_print_iopattern(avctx, q->iopattern, "Decoder");
258 
259  ret = qsv_init_session(avctx, q, session, avctx->hw_frames_ctx, avctx->hw_device_ctx);
260  if (ret < 0) {
261  av_log(avctx, AV_LOG_ERROR, "Error initializing an MFX session\n");
262  return ret;
263  }
264 
265  param->IOPattern = q->iopattern;
266  param->AsyncDepth = q->async_depth;
267  param->ExtParam = q->ext_buffers;
268  param->NumExtParam = q->nb_ext_buffers;
269 
270  return 0;
271  }
272 
273 static int qsv_decode_init_context(AVCodecContext *avctx, QSVContext *q, mfxVideoParam *param)
274 {
275  int ret;
276 
277  avctx->width = param->mfx.FrameInfo.CropW;
278  avctx->height = param->mfx.FrameInfo.CropH;
279  avctx->coded_width = param->mfx.FrameInfo.Width;
280  avctx->coded_height = param->mfx.FrameInfo.Height;
281  avctx->level = param->mfx.CodecLevel;
282  avctx->profile = param->mfx.CodecProfile;
283  avctx->field_order = ff_qsv_map_picstruct(param->mfx.FrameInfo.PicStruct);
284  avctx->pix_fmt = ff_qsv_map_fourcc(param->mfx.FrameInfo.FourCC);
285 
286  ret = MFXVideoDECODE_Init(q->session, param);
287  if (ret < 0)
288  return ff_qsv_print_error(avctx, ret,
289  "Error initializing the MFX video decoder");
290 
291  q->frame_info = param->mfx.FrameInfo;
292 
293  if (!avctx->hw_frames_ctx)
295  FFALIGN(avctx->width, 128), FFALIGN(avctx->height, 64), 1), av_buffer_allocz);
296  return 0;
297 }
298 
300  const AVPacket *avpkt, enum AVPixelFormat pix_fmt,
301  mfxVideoParam *param)
302 {
303  int ret;
304 
305  mfxBitstream bs = { 0 };
306 
307  if (avpkt->size) {
308  bs.Data = avpkt->data;
309  bs.DataLength = avpkt->size;
310  bs.MaxLength = bs.DataLength;
311  bs.TimeStamp = avpkt->pts;
312  if (avctx->field_order == AV_FIELD_PROGRESSIVE)
313  bs.DataFlag |= MFX_BITSTREAM_COMPLETE_FRAME;
314  } else
315  return AVERROR_INVALIDDATA;
316 
317 
318  if(!q->session) {
319  ret = qsv_decode_preinit(avctx, q, pix_fmt, param);
320  if (ret < 0)
321  return ret;
322  }
323 
324  ret = ff_qsv_codec_id_to_mfx(avctx->codec_id);
325  if (ret < 0)
326  return ret;
327 
328  param->mfx.CodecId = ret;
329  ret = MFXVideoDECODE_DecodeHeader(q->session, &bs, param);
330  if (MFX_ERR_MORE_DATA == ret) {
331  return AVERROR(EAGAIN);
332  }
333  if (ret < 0)
334  return ff_qsv_print_error(avctx, ret,
335  "Error decoding stream header");
336 
337  return 0;
338 }
339 
341 {
342  int ret;
343 
344  if (q->pool)
345  ret = qsv_get_continuous_buffer(avctx, frame->frame, q->pool);
346  else
347  ret = ff_get_buffer(avctx, frame->frame, AV_GET_BUFFER_FLAG_REF);
348 
349  if (ret < 0)
350  return ret;
351 
352  if (frame->frame->format == AV_PIX_FMT_QSV) {
353  frame->surface = *(mfxFrameSurface1*)frame->frame->data[3];
354  } else {
355  frame->surface.Info = q->frame_info;
356 
357  frame->surface.Data.PitchLow = frame->frame->linesize[0];
358  frame->surface.Data.Y = frame->frame->data[0];
359  frame->surface.Data.UV = frame->frame->data[1];
360  }
361 
362  if (q->frames_ctx.mids) {
364  if (ret < 0)
365  return ret;
366 
367  frame->surface.Data.MemId = &q->frames_ctx.mids[ret];
368  }
369  frame->surface.Data.ExtParam = &frame->ext_param;
370  frame->surface.Data.NumExtParam = 1;
371  frame->ext_param = (mfxExtBuffer*)&frame->dec_info;
372  frame->dec_info.Header.BufferId = MFX_EXTBUFF_DECODED_FRAME_INFO;
373  frame->dec_info.Header.BufferSz = sizeof(frame->dec_info);
374 
375  frame->used = 1;
376 
377  return 0;
378 }
379 
381 {
382  QSVFrame *cur = q->work_frames;
383  while (cur) {
384  if (cur->used && !cur->surface.Data.Locked && !cur->queued) {
385  cur->used = 0;
386  av_frame_unref(cur->frame);
387  }
388  cur = cur->next;
389  }
390 }
391 
392 static int get_surface(AVCodecContext *avctx, QSVContext *q, mfxFrameSurface1 **surf)
393 {
394  QSVFrame *frame, **last;
395  int ret;
396 
398 
399  frame = q->work_frames;
400  last = &q->work_frames;
401  while (frame) {
402  if (!frame->used) {
403  ret = alloc_frame(avctx, q, frame);
404  if (ret < 0)
405  return ret;
406  *surf = &frame->surface;
407  return 0;
408  }
409 
410  last = &frame->next;
411  frame = frame->next;
412  }
413 
414  frame = av_mallocz(sizeof(*frame));
415  if (!frame)
416  return AVERROR(ENOMEM);
417  frame->frame = av_frame_alloc();
418  if (!frame->frame) {
419  av_freep(&frame);
420  return AVERROR(ENOMEM);
421  }
422  *last = frame;
423 
424  ret = alloc_frame(avctx, q, frame);
425  if (ret < 0)
426  return ret;
427 
428  *surf = &frame->surface;
429 
430  return 0;
431 }
432 
433 static QSVFrame *find_frame(QSVContext *q, mfxFrameSurface1 *surf)
434 {
435  QSVFrame *cur = q->work_frames;
436  while (cur) {
437  if (surf == &cur->surface)
438  return cur;
439  cur = cur->next;
440  }
441  return NULL;
442 }
443 
444 static int qsv_decode(AVCodecContext *avctx, QSVContext *q,
445  AVFrame *frame, int *got_frame,
446  const AVPacket *avpkt)
447 {
448  QSVFrame *out_frame;
449  mfxFrameSurface1 *insurf;
450  mfxFrameSurface1 *outsurf;
451  mfxSyncPoint *sync;
452  mfxBitstream bs = { { { 0 } } };
453  int ret;
454 
455  if (avpkt->size) {
456  bs.Data = avpkt->data;
457  bs.DataLength = avpkt->size;
458  bs.MaxLength = bs.DataLength;
459  bs.TimeStamp = avpkt->pts;
460  if (avctx->field_order == AV_FIELD_PROGRESSIVE)
461  bs.DataFlag |= MFX_BITSTREAM_COMPLETE_FRAME;
462  }
463 
464  sync = av_mallocz(sizeof(*sync));
465  if (!sync) {
466  av_freep(&sync);
467  return AVERROR(ENOMEM);
468  }
469 
470  do {
471  ret = get_surface(avctx, q, &insurf);
472  if (ret < 0) {
473  av_freep(&sync);
474  return ret;
475  }
476 
477  ret = MFXVideoDECODE_DecodeFrameAsync(q->session, avpkt->size ? &bs : NULL,
478  insurf, &outsurf, sync);
479  if (ret == MFX_WRN_DEVICE_BUSY)
480  av_usleep(500);
481 
482  } while (ret == MFX_WRN_DEVICE_BUSY || ret == MFX_ERR_MORE_SURFACE);
483 
484  if (ret != MFX_ERR_NONE &&
485  ret != MFX_ERR_MORE_DATA &&
486  ret != MFX_WRN_VIDEO_PARAM_CHANGED &&
487  ret != MFX_ERR_MORE_SURFACE) {
488  av_freep(&sync);
489  return ff_qsv_print_error(avctx, ret,
490  "Error during QSV decoding.");
491  }
492 
493  /* make sure we do not enter an infinite loop if the SDK
494  * did not consume any data and did not return anything */
495  if (!*sync && !bs.DataOffset) {
496  bs.DataOffset = avpkt->size;
497  ++q->zero_consume_run;
498  if (q->zero_consume_run > 1)
499  ff_qsv_print_warning(avctx, ret, "A decode call did not consume any data");
500  } else if (!*sync && bs.DataOffset) {
501  ++q->buffered_count;
502  } else {
503  q->zero_consume_run = 0;
504  }
505 
506  if (*sync) {
507  QSVFrame *out_frame = find_frame(q, outsurf);
508 
509  if (!out_frame) {
510  av_log(avctx, AV_LOG_ERROR,
511  "The returned surface does not correspond to any frame\n");
512  av_freep(&sync);
513  return AVERROR_BUG;
514  }
515 
516  out_frame->queued = 1;
517  av_fifo_generic_write(q->async_fifo, &out_frame, sizeof(out_frame), NULL);
518  av_fifo_generic_write(q->async_fifo, &sync, sizeof(sync), NULL);
519  } else {
520  av_freep(&sync);
521  }
522 
523  if ((qsv_fifo_size(q->async_fifo) >= q->async_depth) ||
524  (!avpkt->size && av_fifo_size(q->async_fifo))) {
525  AVFrame *src_frame;
526 
527  av_fifo_generic_read(q->async_fifo, &out_frame, sizeof(out_frame), NULL);
528  av_fifo_generic_read(q->async_fifo, &sync, sizeof(sync), NULL);
529  out_frame->queued = 0;
530 
531  if (avctx->pix_fmt != AV_PIX_FMT_QSV) {
532  do {
533  ret = MFXVideoCORE_SyncOperation(q->session, *sync, 1000);
534  } while (ret == MFX_WRN_IN_EXECUTION);
535  }
536 
537  av_freep(&sync);
538 
539  src_frame = out_frame->frame;
540 
541  ret = av_frame_ref(frame, src_frame);
542  if (ret < 0)
543  return ret;
544 
545  outsurf = &out_frame->surface;
546 
547 #if FF_API_PKT_PTS
549  frame->pkt_pts = outsurf->Data.TimeStamp;
551 #endif
552  frame->pts = outsurf->Data.TimeStamp;
553 
554  frame->repeat_pict =
555  outsurf->Info.PicStruct & MFX_PICSTRUCT_FRAME_TRIPLING ? 4 :
556  outsurf->Info.PicStruct & MFX_PICSTRUCT_FRAME_DOUBLING ? 2 :
557  outsurf->Info.PicStruct & MFX_PICSTRUCT_FIELD_REPEATED ? 1 : 0;
559  outsurf->Info.PicStruct & MFX_PICSTRUCT_FIELD_TFF;
561  !(outsurf->Info.PicStruct & MFX_PICSTRUCT_PROGRESSIVE);
562  frame->pict_type = ff_qsv_map_pictype(out_frame->dec_info.FrameType);
563  //Key frame is IDR frame is only suitable for H264. For HEVC, IRAPs are key frames.
564  if (avctx->codec_id == AV_CODEC_ID_H264)
565  frame->key_frame = !!(out_frame->dec_info.FrameType & MFX_FRAMETYPE_IDR);
566 
567  /* update the surface properties */
568  if (avctx->pix_fmt == AV_PIX_FMT_QSV)
569  ((mfxFrameSurface1*)frame->data[3])->Info = outsurf->Info;
570 
571  *got_frame = 1;
572  }
573 
574  return bs.DataOffset;
575 }
576 
578 {
579  QSVFrame *cur = q->work_frames;
580 
581  if (q->session)
582  MFXVideoDECODE_Close(q->session);
583 
584  while (q->async_fifo && av_fifo_size(q->async_fifo)) {
585  QSVFrame *out_frame;
586  mfxSyncPoint *sync;
587 
588  av_fifo_generic_read(q->async_fifo, &out_frame, sizeof(out_frame), NULL);
589  av_fifo_generic_read(q->async_fifo, &sync, sizeof(sync), NULL);
590 
591  av_freep(&sync);
592  }
593 
594  while (cur) {
595  q->work_frames = cur->next;
596  av_frame_free(&cur->frame);
597  av_freep(&cur);
598  cur = q->work_frames;
599  }
600 
602  q->async_fifo = NULL;
603 
605 
609 }
610 
612  AVFrame *frame, int *got_frame, const AVPacket *pkt)
613 {
614  int ret;
615  mfxVideoParam param = { 0 };
617 
618  if (!pkt->size)
619  return qsv_decode(avctx, q, frame, got_frame, pkt);
620 
621  /* TODO: flush delayed frames on reinit */
622 
623  // sw_pix_fmt, coded_width/height should be set for ff_get_format(),
624  // assume sw_pix_fmt is NV12 and coded_width/height to be 1280x720,
625  // the assumption may be not corret but will be updated after header decoded if not true.
626  if (q->orig_pix_fmt != AV_PIX_FMT_NONE)
627  pix_fmt = q->orig_pix_fmt;
628  if (!avctx->coded_width)
629  avctx->coded_width = 1280;
630  if (!avctx->coded_height)
631  avctx->coded_height = 720;
632 
633  ret = qsv_decode_header(avctx, q, pkt, pix_fmt, &param);
634 
635  if (ret >= 0 && (q->orig_pix_fmt != ff_qsv_map_fourcc(param.mfx.FrameInfo.FourCC) ||
636  avctx->coded_width != param.mfx.FrameInfo.Width ||
637  avctx->coded_height != param.mfx.FrameInfo.Height)) {
638  AVPacket zero_pkt = {0};
639 
640  if (q->buffered_count) {
641  q->reinit_flag = 1;
642  /* decode zero-size pkt to flush the buffered pkt before reinit */
643  q->buffered_count--;
644  return qsv_decode(avctx, q, frame, got_frame, &zero_pkt);
645  }
646  q->reinit_flag = 0;
647 
648  q->orig_pix_fmt = avctx->pix_fmt = pix_fmt = ff_qsv_map_fourcc(param.mfx.FrameInfo.FourCC);
649 
650  avctx->coded_width = param.mfx.FrameInfo.Width;
651  avctx->coded_height = param.mfx.FrameInfo.Height;
652 
653  ret = qsv_decode_preinit(avctx, q, pix_fmt, &param);
654  if (ret < 0)
655  goto reinit_fail;
656  q->initialized = 0;
657  }
658 
659  if (!q->initialized) {
660  ret = qsv_decode_init_context(avctx, q, &param);
661  if (ret < 0)
662  goto reinit_fail;
663  q->initialized = 1;
664  }
665 
666  return qsv_decode(avctx, q, frame, got_frame, pkt);
667 
668 reinit_fail:
669  q->orig_pix_fmt = avctx->pix_fmt = AV_PIX_FMT_NONE;
670  return ret;
671 }
672 
677 };
678 
679 typedef struct QSVDecContext {
680  AVClass *class;
682 
684 
686 
688 } QSVDecContext;
689 
691 {
692  AVPacket pkt;
693  while (av_fifo_size(s->packet_fifo) >= sizeof(pkt)) {
694  av_fifo_generic_read(s->packet_fifo, &pkt, sizeof(pkt), NULL);
696  }
697 
698  av_packet_unref(&s->buffer_pkt);
699 }
700 
702 {
703  QSVDecContext *s = avctx->priv_data;
704 
705  av_freep(&s->qsv.load_plugins);
706 
708 
710 
711  av_fifo_free(s->packet_fifo);
712 
713  return 0;
714 }
715 
717 {
718  QSVDecContext *s = avctx->priv_data;
719  int ret;
720  const char *uid = NULL;
721 
722  if (avctx->codec_id == AV_CODEC_ID_VP8) {
723  uid = "f622394d8d87452f878c51f2fc9b4131";
724  } else if (avctx->codec_id == AV_CODEC_ID_VP9) {
725  uid = "a922394d8d87452f878c51f2fc9b4131";
726  }
727  else if (avctx->codec_id == AV_CODEC_ID_HEVC && s->load_plugin != LOAD_PLUGIN_NONE) {
728  static const char * const uid_hevcdec_sw = "15dd936825ad475ea34e35f3f54217a6";
729  static const char * const uid_hevcdec_hw = "33a61c0b4c27454ca8d85dde757c6f8e";
730 
731  if (s->qsv.load_plugins[0]) {
732  av_log(avctx, AV_LOG_WARNING,
733  "load_plugins is not empty, but load_plugin is not set to 'none'."
734  "The load_plugin value will be ignored.\n");
735  } else {
736  if (s->load_plugin == LOAD_PLUGIN_HEVC_SW)
737  uid = uid_hevcdec_sw;
738  else
739  uid = uid_hevcdec_hw;
740  }
741  }
742  if (uid) {
743  av_freep(&s->qsv.load_plugins);
744  s->qsv.load_plugins = av_strdup(uid);
745  if (!s->qsv.load_plugins)
746  return AVERROR(ENOMEM);
747  }
748 
749  s->qsv.orig_pix_fmt = AV_PIX_FMT_NV12;
750  s->packet_fifo = av_fifo_alloc(sizeof(AVPacket));
751  if (!s->packet_fifo) {
752  ret = AVERROR(ENOMEM);
753  goto fail;
754  }
755 
756  return 0;
757 fail:
758  qsv_decode_close(avctx);
759  return ret;
760 }
761 
762 static int qsv_decode_frame(AVCodecContext *avctx, void *data,
763  int *got_frame, AVPacket *avpkt)
764 {
765  QSVDecContext *s = avctx->priv_data;
766  AVFrame *frame = data;
767  int ret;
768 
769  /* buffer the input packet */
770  if (avpkt->size) {
771  AVPacket input_ref;
772 
773  if (av_fifo_space(s->packet_fifo) < sizeof(input_ref)) {
774  ret = av_fifo_realloc2(s->packet_fifo,
775  av_fifo_size(s->packet_fifo) + sizeof(input_ref));
776  if (ret < 0)
777  return ret;
778  }
779 
780  ret = av_packet_ref(&input_ref, avpkt);
781  if (ret < 0)
782  return ret;
783  av_fifo_generic_write(s->packet_fifo, &input_ref, sizeof(input_ref), NULL);
784  }
785 
786  /* process buffered data */
787  while (!*got_frame) {
788  /* prepare the input data */
789  if (s->buffer_pkt.size <= 0) {
790  /* no more data */
791  if (av_fifo_size(s->packet_fifo) < sizeof(AVPacket))
792  return avpkt->size ? avpkt->size : qsv_process_data(avctx, &s->qsv, frame, got_frame, avpkt);
793  /* in progress of reinit, no read from fifo and keep the buffer_pkt */
794  if (!s->qsv.reinit_flag) {
795  av_packet_unref(&s->buffer_pkt);
796  av_fifo_generic_read(s->packet_fifo, &s->buffer_pkt, sizeof(s->buffer_pkt), NULL);
797  }
798  }
799 
800  ret = qsv_process_data(avctx, &s->qsv, frame, got_frame, &s->buffer_pkt);
801  if (ret < 0){
802  /* Drop buffer_pkt when failed to decode the packet. Otherwise,
803  the decoder will keep decoding the failure packet. */
804  av_packet_unref(&s->buffer_pkt);
805  return ret;
806  }
807  if (s->qsv.reinit_flag)
808  continue;
809 
810  s->buffer_pkt.size -= ret;
811  s->buffer_pkt.data += ret;
812  }
813 
814  return avpkt->size;
815 }
816 
817 static void qsv_decode_flush(AVCodecContext *avctx)
818 {
819  QSVDecContext *s = avctx->priv_data;
820 
822 
823  s->qsv.orig_pix_fmt = AV_PIX_FMT_NONE;
824  s->qsv.initialized = 0;
825 }
826 
827 #define OFFSET(x) offsetof(QSVDecContext, x)
828 #define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
829 
830 #define DEFINE_QSV_DECODER_WITH_OPTION(x, X, bsf_name, opt) \
831 static const AVClass x##_qsv_class = { \
832  .class_name = #x "_qsv", \
833  .item_name = av_default_item_name, \
834  .option = opt, \
835  .version = LIBAVUTIL_VERSION_INT, \
836 }; \
837 AVCodec ff_##x##_qsv_decoder = { \
838  .name = #x "_qsv", \
839  .long_name = NULL_IF_CONFIG_SMALL(#X " video (Intel Quick Sync Video acceleration)"), \
840  .priv_data_size = sizeof(QSVDecContext), \
841  .type = AVMEDIA_TYPE_VIDEO, \
842  .id = AV_CODEC_ID_##X, \
843  .init = qsv_decode_init, \
844  .decode = qsv_decode_frame, \
845  .flush = qsv_decode_flush, \
846  .close = qsv_decode_close, \
847  .bsfs = bsf_name, \
848  .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_DR1 | AV_CODEC_CAP_AVOID_PROBING | AV_CODEC_CAP_HYBRID, \
849  .priv_class = &x##_qsv_class, \
850  .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12, \
851  AV_PIX_FMT_P010, \
852  AV_PIX_FMT_QSV, \
853  AV_PIX_FMT_NONE }, \
854  .hw_configs = qsv_hw_configs, \
855  .wrapper_name = "qsv", \
856 }; \
857 
858 #define DEFINE_QSV_DECODER(x, X, bsf_name) DEFINE_QSV_DECODER_WITH_OPTION(x, X, bsf_name, options)
859 
860 #if CONFIG_HEVC_QSV_DECODER
861 static const AVOption hevc_options[] = {
862  { "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 },
863 
864  { "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" },
865  { "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LOAD_PLUGIN_NONE }, 0, 0, VD, "load_plugin" },
866  { "hevc_sw", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LOAD_PLUGIN_HEVC_SW }, 0, 0, VD, "load_plugin" },
867  { "hevc_hw", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LOAD_PLUGIN_HEVC_HW }, 0, 0, VD, "load_plugin" },
868 
869  { "load_plugins", "A :-separate list of hexadecimal plugin UIDs to load in an internal session",
870  OFFSET(qsv.load_plugins), AV_OPT_TYPE_STRING, { .str = "" }, 0, 0, VD },
871 
872  { "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"},
873  { "default", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_GPUCOPY_DEFAULT }, 0, 0, VD, "gpu_copy"},
874  { "on", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_GPUCOPY_ON }, 0, 0, VD, "gpu_copy"},
875  { "off", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_GPUCOPY_OFF }, 0, 0, VD, "gpu_copy"},
876  { NULL },
877 };
878 DEFINE_QSV_DECODER_WITH_OPTION(hevc, HEVC, "hevc_mp4toannexb", hevc_options)
879 #endif
880 
881 static const AVOption options[] = {
882  { "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 },
883 
884  { "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"},
885  { "default", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_GPUCOPY_DEFAULT }, 0, 0, VD, "gpu_copy"},
886  { "on", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_GPUCOPY_ON }, 0, 0, VD, "gpu_copy"},
887  { "off", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_GPUCOPY_OFF }, 0, 0, VD, "gpu_copy"},
888  { NULL },
889 };
890 
891 #if CONFIG_H264_QSV_DECODER
892 DEFINE_QSV_DECODER(h264, H264, "h264_mp4toannexb")
893 #endif
894 
895 #if CONFIG_MPEG2_QSV_DECODER
896 DEFINE_QSV_DECODER(mpeg2, MPEG2VIDEO, NULL)
897 #endif
898 
899 #if CONFIG_VC1_QSV_DECODER
900 DEFINE_QSV_DECODER(vc1, VC1, NULL)
901 #endif
902 
903 #if CONFIG_MJPEG_QSV_DECODER
904 DEFINE_QSV_DECODER(mjpeg, MJPEG, NULL)
905 #endif
906 
907 #if CONFIG_VP8_QSV_DECODER
908 DEFINE_QSV_DECODER(vp8, VP8, NULL)
909 #endif
910 
911 #if CONFIG_VP9_QSV_DECODER
912 DEFINE_QSV_DECODER(vp9, VP9, NULL)
913 #endif
914 
915 #if CONFIG_AV1_QSV_DECODER
916 DEFINE_QSV_DECODER(av1, AV1, NULL)
917 #endif
#define av_cold
Definition: attributes.h:88
Libavcodec external API header.
#define s(width, name)
Definition: cbs_vp9.c:257
#define fail()
Definition: checkasm.h:133
@ AV_FIELD_PROGRESSIVE
Definition: codec_par.h:38
common internal and external API header
#define NULL
Definition: coverity.c:32
int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
Get a buffer for a frame.
Definition: decode.c:1893
int ff_decode_frame_props(AVCodecContext *avctx, AVFrame *frame)
Set various frame properties from the codec context / packet data.
Definition: decode.c:1722
int ff_attach_decode_data(AVFrame *frame)
Definition: decode.c:1869
int ff_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt)
Select the (possibly hardware accelerated) pixel format.
Definition: decode.c:1317
static enum AVPixelFormat pix_fmt
static AVFrame * frame
a very simple circular buffer FIFO implementation
reference-counted frame API
@ AV_OPT_TYPE_CONST
Definition: opt.h:234
@ AV_OPT_TYPE_INT
Definition: opt.h:225
@ AV_OPT_TYPE_STRING
Definition: opt.h:229
#define AV_GET_BUFFER_FLAG_REF
The decoder will keep a reference to the frame and may reuse it later.
Definition: avcodec.h:514
@ AV_CODEC_HW_CONFIG_METHOD_AD_HOC
The codec supports this format by some ad-hoc method.
Definition: codec.h:440
@ AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX
The codec supports this format via the hw_frames_ctx interface.
Definition: codec.h:424
@ AV_CODEC_ID_H264
Definition: codec_id.h:76
@ AV_CODEC_ID_VP8
Definition: codec_id.h:189
@ AV_CODEC_ID_HEVC
Definition: codec_id.h:223
@ AV_CODEC_ID_VP9
Definition: codec_id.h:217
void av_packet_unref(AVPacket *pkt)
Wipe the packet.
Definition: avpacket.c:634
int av_packet_ref(AVPacket *dst, const AVPacket *src)
Setup a new reference to the data described by a given packet.
Definition: avpacket.c:641
void av_buffer_unref(AVBufferRef **buf)
Free a given reference and automatically free the buffer if there are no more references to it.
Definition: buffer.c:125
AVBufferRef * av_buffer_allocz(buffer_size_t size)
Same as av_buffer_alloc(), except the returned buffer will be initialized to zero.
Definition: buffer.c:83
AVBufferRef * av_buffer_ref(AVBufferRef *buf)
Create a new reference to an AVBuffer.
Definition: buffer.c:93
AVBufferPool * av_buffer_pool_init(buffer_size_t size, AVBufferRef *(*alloc)(buffer_size_t size))
Allocate and initialize a buffer pool.
Definition: buffer.c:266
AVBufferRef * av_buffer_pool_get(AVBufferPool *pool)
Allocate a new AVBuffer, reusing an old buffer from the pool when available.
Definition: buffer.c:373
void av_buffer_pool_uninit(AVBufferPool **ppool)
Mark the pool as being available for freeing.
Definition: buffer.c:308
#define AVERROR_BUG
Internal bug, also see AVERROR_BUG2.
Definition: error.h:50
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
#define AVERROR(e)
Definition: error.h:43
void av_frame_unref(AVFrame *frame)
Unreference all the buffers referenced by frame and reset the frame fields.
Definition: frame.c:553
int av_frame_ref(AVFrame *dst, const AVFrame *src)
Set up a new reference to the data described by the source frame.
Definition: frame.c:443
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:203
AVFrame * av_frame_alloc(void)
Allocate an AVFrame and set its fields to default values.
Definition: frame.c:190
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:200
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:194
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
Definition: mem.c:237
char * av_strdup(const char *s)
Duplicate a string.
Definition: mem.c:253
int av_image_get_buffer_size(enum AVPixelFormat pix_fmt, int width, int height, int align)
Return the size in bytes of the amount of data required to store an image with the given parameters.
Definition: imgutils.c:466
@ AV_HWDEVICE_TYPE_QSV
Definition: hwcontext.h:33
An API-specific header for AV_HWDEVICE_TYPE_QSV.
misc image utilities
static int qsv_process_data(AVCodecContext *avctx, QSVContext *q, AVFrame *frame, int *got_frame, const AVPacket *pkt)
Definition: qsvdec.c:611
static int qsv_decode(AVCodecContext *avctx, QSVContext *q, AVFrame *frame, int *got_frame, const AVPacket *avpkt)
Definition: qsvdec.c:444
static void qsv_clear_unused_frames(QSVContext *q)
Definition: qsvdec.c:380
static const AVOption options[]
Definition: qsvdec.c:881
#define DEFINE_QSV_DECODER_WITH_OPTION(x, X, bsf_name, opt)
Definition: qsvdec.c:830
static int qsv_decode_header(AVCodecContext *avctx, QSVContext *q, const AVPacket *avpkt, enum AVPixelFormat pix_fmt, mfxVideoParam *param)
Definition: qsvdec.c:299
static int qsv_decode_preinit(AVCodecContext *avctx, QSVContext *q, enum AVPixelFormat pix_fmt, mfxVideoParam *param)
Definition: qsvdec.c:211
static int qsv_decode_init_context(AVCodecContext *avctx, QSVContext *q, mfxVideoParam *param)
Definition: qsvdec.c:273
static int get_surface(AVCodecContext *avctx, QSVContext *q, mfxFrameSurface1 **surf)
Definition: qsvdec.c:392
static int qsv_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
Definition: qsvdec.c:762
static void qsv_decode_flush(AVCodecContext *avctx)
Definition: qsvdec.c:817
static QSVFrame * find_frame(QSVContext *q, mfxFrameSurface1 *surf)
Definition: qsvdec.c:433
#define DEFINE_QSV_DECODER(x, X, bsf_name)
Definition: qsvdec.c:858
static void qsv_decode_close_qsvcontext(QSVContext *q)
Definition: qsvdec.c:577
static const AVCodecHWConfigInternal *const qsv_hw_configs[]
Definition: qsvdec.c:87
static void qsv_clear_buffers(QSVDecContext *s)
Definition: qsvdec.c:690
#define VD
Definition: qsvdec.c:828
static av_cold int qsv_decode_init(AVCodecContext *avctx)
Definition: qsvdec.c:716
static av_cold int qsv_decode_close(AVCodecContext *avctx)
Definition: qsvdec.c:701
LoadPlugin
Definition: qsvdec.c:673
@ LOAD_PLUGIN_NONE
Definition: qsvdec.c:674
@ LOAD_PLUGIN_HEVC_HW
Definition: qsvdec.c:676
@ LOAD_PLUGIN_HEVC_SW
Definition: qsvdec.c:675
static int alloc_frame(AVCodecContext *avctx, QSVContext *q, QSVFrame *frame)
Definition: qsvdec.c:340
#define OFFSET(x)
Definition: qsvdec.c:827
static unsigned int qsv_fifo_item_size(void)
Definition: qsvdec.c:201
static int qsv_get_continuous_buffer(AVCodecContext *avctx, AVFrame *frame, AVBufferPool *pool)
Definition: qsvdec.c:100
static int qsv_init_session(AVCodecContext *avctx, QSVContext *q, mfxSession session, AVBufferRef *hw_frames_ref, AVBufferRef *hw_device_ref)
Definition: qsvdec.c:138
static unsigned int qsv_fifo_size(const AVFifoBuffer *fifo)
Definition: qsvdec.c:206
int av_fifo_size(const AVFifoBuffer *f)
Return the amount of data in bytes in the AVFifoBuffer, that is the amount of data you can read from ...
Definition: fifo.c:77
int av_fifo_generic_read(AVFifoBuffer *f, void *dest, int buf_size, void(*func)(void *, void *, int))
Feed data from an AVFifoBuffer to a user-supplied callback.
Definition: fifo.c:213
int av_fifo_space(const AVFifoBuffer *f)
Return the amount of space in bytes in the AVFifoBuffer, that is the amount of data you can write int...
Definition: fifo.c:82
void av_fifo_free(AVFifoBuffer *f)
Free an AVFifoBuffer.
Definition: fifo.c:55
AVFifoBuffer * av_fifo_alloc(unsigned int size)
Initialize an AVFifoBuffer.
Definition: fifo.c:43
int av_fifo_generic_write(AVFifoBuffer *f, void *src, int size, int(*func)(void *, void *, int))
Feed data from a user-supplied callback to an AVFifoBuffer.
Definition: fifo.c:122
int av_fifo_realloc2(AVFifoBuffer *f, unsigned int new_size)
Resize an AVFifoBuffer.
Definition: fifo.c:87
common internal API header
#define FF_DISABLE_DEPRECATION_WARNINGS
Definition: internal.h:83
#define FF_ENABLE_DEPRECATION_WARNINGS
Definition: internal.h:84
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:303
#define FFALIGN(x, a)
Definition: macros.h:48
Memory handling functions.
const char data[16]
Definition: mxf.c:142
UID uid
Definition: mxfenc.c:2205
AVOptions.
pixel format definitions
#define AV_PIX_FMT_P010
Definition: pixfmt.h:448
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
@ AV_PIX_FMT_NV12
planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
Definition: pixfmt.h:89
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:65
@ AV_PIX_FMT_QSV
HW acceleration through QSV, data[3] contains a pointer to the mfxFrameSurface1 structure.
Definition: pixfmt.h:222
int ff_qsv_codec_id_to_mfx(enum AVCodecID codec_id)
Definition: qsv.c:43
enum AVFieldOrder ff_qsv_map_picstruct(int mfx_pic_struct)
Definition: qsv.c:252
int ff_qsv_init_internal_session(AVCodecContext *avctx, QSVSession *qs, const char *load_plugins, int gpu_copy)
Definition: qsv.c:383
int ff_qsv_print_error(void *log_ctx, mfxStatus err, const char *error_string)
Definition: qsv.c:176
int ff_qsv_close_internal_session(QSVSession *qs)
Definition: qsv.c:813
int ff_qsv_init_session_frames(AVCodecContext *avctx, mfxSession *psession, QSVFramesContext *qsv_frames_ctx, const char *load_plugins, int opaque, int gpu_copy)
Definition: qsv.c:766
int ff_qsv_print_iopattern(void *log_ctx, int mfx_iopattern, const char *extra_string)
Definition: qsv.c:104
int ff_qsv_init_session_device(AVCodecContext *avctx, mfxSession *psession, AVBufferRef *device_ref, const char *load_plugins, int gpu_copy)
Definition: qsv.c:689
enum AVPictureType ff_qsv_map_pictype(int mfx_pic_type)
Definition: qsv.c:270
enum AVPixelFormat ff_qsv_map_fourcc(uint32_t fourcc)
Definition: qsv.c:196
int ff_qsv_find_surface_idx(QSVFramesContext *ctx, QSVFrame *frame)
Definition: qsv.c:241
int ff_qsv_print_warning(void *log_ctx, mfxStatus err, const char *warning_string)
Definition: qsv.c:186
#define ASYNC_DEPTH_DEFAULT
Definition: qsv_internal.h:51
The buffer pool.
A reference to a data buffer.
Definition: buffer.h:84
uint8_t * data
The data buffer.
Definition: buffer.h:92
Describe the class of an AVClass context structure.
Definition: log.h:67
main external API structure.
Definition: avcodec.h:536
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:746
int width
picture width / height.
Definition: avcodec.h:709
AVBufferRef * hw_frames_ctx
A reference to the AVHWFramesContext describing the input (for encoding) or output (decoding) frames.
Definition: avcodec.h:2218
enum AVFieldOrder field_order
Field order.
Definition: avcodec.h:1193
int level
level
Definition: avcodec.h:1984
int profile
profile
Definition: avcodec.h:1858
void * hwaccel_context
Hardware accelerator context.
Definition: avcodec.h:1692
int coded_height
Definition: avcodec.h:724
AVBufferRef * hw_device_ctx
A reference to the AVHWDeviceContext describing the device which will be used by a hardware encoder/d...
Definition: avcodec.h:2270
enum AVCodecID codec_id
Definition: avcodec.h:546
int coded_width
Bitstream width / height, may be different from width/height e.g.
Definition: avcodec.h:724
void * priv_data
Definition: avcodec.h:563
AVCodecHWConfig public
This is the structure which will be returned to the user by avcodec_get_hw_config().
Definition: hwconfig.h:34
enum AVPixelFormat pix_fmt
For decoders, a hardware pixel format which that decoder may be able to decode to if suitable hardwar...
Definition: codec.h:452
This structure describes decoded (raw) audio or video data.
Definition: frame.h:318
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:411
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:332
int width
Definition: frame.h:376
attribute_deprecated int64_t pkt_pts
PTS copied from the AVPacket that was decoded to produce this frame.
Definition: frame.h:419
int key_frame
1 -> keyframe, 0-> not
Definition: frame.h:396
int height
Definition: frame.h:376
AVBufferRef * buf[AV_NUM_DATA_POINTERS]
AVBuffer references backing the data for this frame.
Definition: frame.h:509
int top_field_first
If the content is interlaced, is top field displayed first.
Definition: frame.h:470
int interlaced_frame
The content of the picture is interlaced.
Definition: frame.h:465
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:349
int format
format of the frame, -1 if unknown or unset Values correspond to enum AVPixelFormat for video frames,...
Definition: frame.h:391
int repeat_pict
When decoding, this signals how much the picture must be delayed.
Definition: frame.h:460
enum AVPictureType pict_type
Picture type of the frame.
Definition: frame.h:401
This struct describes a set or pool of "hardware" frames (i.e.
Definition: hwcontext.h:124
void * hwctx
The format-specific data, allocated and freed automatically along with this context.
Definition: hwcontext.h:162
AVOption.
Definition: opt.h:248
This structure stores compressed data.
Definition: packet.h:346
int size
Definition: packet.h:370
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
Definition: packet.h:362
uint8_t * data
Definition: packet.h:369
This struct is used for communicating QSV parameters between libavcodec and the caller.
Definition: qsv.h:36
int nb_ext_buffers
Definition: qsv.h:52
mfxExtBuffer ** ext_buffers
Extra buffers to pass to encoder or decoder initialization.
Definition: qsv.h:51
int iopattern
The IO pattern to use.
Definition: qsv.h:46
mfxSession session
If non-NULL, the session to use for encoding or decoding.
Definition: qsv.h:41
This struct is allocated as AVHWFramesContext.hwctx.
Definition: hwcontext_qsv.h:42
mfxExtBuffer ** ext_buffers
Definition: qsvdec.c:83
int iopattern
Definition: qsvdec.c:78
int zero_consume_run
Definition: qsvdec.c:65
mfxSession session
Definition: qsvdec.c:51
enum AVPixelFormat orig_pix_fmt
Definition: qsvdec.c:69
int async_depth
Definition: qsvdec.c:77
QSVFramesContext frames_ctx
Definition: qsvdec.c:57
int nb_ext_buffers
Definition: qsvdec.c:84
int gpu_copy
Definition: qsvdec.c:79
char * load_plugins
Definition: qsvdec.c:81
int reinit_flag
Definition: qsvdec.c:67
uint32_t fourcc
Definition: qsvdec.c:70
int buffered_count
Definition: qsvdec.c:66
QSVSession internal_qs
Definition: qsvdec.c:55
AVFifoBuffer * async_fifo
Definition: qsvdec.c:64
QSVFrame * work_frames
a linked list of frames currently being used by QSV
Definition: qsvdec.c:62
AVBufferPool * pool
Definition: qsvdec.c:72
mfxFrameInfo frame_info
Definition: qsvdec.c:71
int initialized
Definition: qsvdec.c:74
AVPacket buffer_pkt
Definition: qsvdec.c:687
QSVContext qsv
Definition: qsvdec.c:681
int load_plugin
Definition: qsvdec.c:683
AVFifoBuffer * packet_fifo
Definition: qsvdec.c:685
AVFrame * frame
Definition: qsv_internal.h:73
struct QSVFrame * next
Definition: qsv_internal.h:82
int queued
Definition: qsv_internal.h:79
mfxFrameSurface1 surface
Definition: qsv_internal.h:74
mfxExtDecodedFrameInfo dec_info
Definition: qsv_internal.h:76
AVBufferRef * hw_frames_ctx
Definition: qsv_internal.h:94
AVBufferRef * mids_buf
Definition: qsv_internal.h:101
mfxSession session
Definition: qsv_internal.h:86
#define av_freep(p)
#define av_log(a,...)
AVPacket * pkt
Definition: movenc.c:59
int av_usleep(unsigned usec)
Sleep for a period of time.
Definition: time.c:84
if(ret< 0)
Definition: vf_mcdeint.c:282
static const AVOption hevc_options[]