FFmpeg
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 <string.h>
25 #include <sys/types.h>
26 
27 #include <mfx/mfxvideo.h>
28 
29 #include "libavutil/common.h"
30 #include "libavutil/hwcontext.h"
32 #include "libavutil/mem.h"
33 #include "libavutil/log.h"
34 #include "libavutil/pixdesc.h"
35 #include "libavutil/pixfmt.h"
36 #include "libavutil/time.h"
37 #include "libavutil/imgutils.h"
38 
39 #include "avcodec.h"
40 #include "internal.h"
41 #include "decode.h"
42 #include "qsv.h"
43 #include "qsv_internal.h"
44 #include "qsvdec.h"
45 
47  &(const AVCodecHWConfigInternal) {
48  .public = {
52  .device_type = AV_HWDEVICE_TYPE_QSV,
53  },
54  .hwaccel = NULL,
55  },
56  NULL
57 };
58 
60 {
61  int ret = 0;
62 
63  ff_decode_frame_props(avctx, frame);
64 
65  frame->width = avctx->width;
66  frame->height = avctx->height;
67 
68  switch (avctx->pix_fmt) {
69  case AV_PIX_FMT_NV12:
70  frame->linesize[0] = FFALIGN(avctx->width, 128);
71  break;
72  case AV_PIX_FMT_P010:
73  frame->linesize[0] = 2 * FFALIGN(avctx->width, 128);
74  break;
75  default:
76  av_log(avctx, AV_LOG_ERROR, "Unsupported pixel format.\n");
77  return AVERROR(ENOMEM);
78  }
79 
80  frame->linesize[1] = frame->linesize[0];
81  frame->buf[0] = av_buffer_pool_get(pool);
82  if (!frame->buf[0])
83  return AVERROR(ENOMEM);
84 
85  frame->data[0] = frame->buf[0]->data;
86  frame->data[1] = frame->data[0] +
87  frame->linesize[0] * FFALIGN(avctx->height, 64);
88 
89  ret = ff_attach_decode_data(frame);
90  if (ret < 0)
91  return ret;
92 
93  return 0;
94 }
95 
96 static int qsv_init_session(AVCodecContext *avctx, QSVContext *q, mfxSession session,
97  AVBufferRef *hw_frames_ref, AVBufferRef *hw_device_ref)
98 {
99  int ret;
100 
101  if (q->gpu_copy == MFX_GPUCOPY_ON &&
102  !(q->iopattern & MFX_IOPATTERN_OUT_SYSTEM_MEMORY))
103  av_log(avctx, AV_LOG_WARNING, "GPU-accelerated memory copy "
104  "only works in MFX_IOPATTERN_OUT_SYSTEM_MEMORY.\n");
105  if (session) {
106  q->session = session;
107  } else if (hw_frames_ref) {
108  if (q->internal_qs.session) {
109  MFXClose(q->internal_qs.session);
110  q->internal_qs.session = NULL;
111  }
113 
114  q->frames_ctx.hw_frames_ctx = av_buffer_ref(hw_frames_ref);
115  if (!q->frames_ctx.hw_frames_ctx)
116  return AVERROR(ENOMEM);
117 
119  &q->frames_ctx, q->load_plugins,
120  q->iopattern == MFX_IOPATTERN_OUT_OPAQUE_MEMORY,
121  q->gpu_copy);
122  if (ret < 0) {
124  return ret;
125  }
126 
127  q->session = q->internal_qs.session;
128  } else if (hw_device_ref) {
129  if (q->internal_qs.session) {
130  MFXClose(q->internal_qs.session);
131  q->internal_qs.session = NULL;
132  }
133 
135  hw_device_ref, q->load_plugins, q->gpu_copy);
136  if (ret < 0)
137  return ret;
138 
139  q->session = q->internal_qs.session;
140  } else {
141  if (!q->internal_qs.session) {
142  ret = ff_qsv_init_internal_session(avctx, &q->internal_qs,
143  q->load_plugins, q->gpu_copy);
144  if (ret < 0)
145  return ret;
146  }
147 
148  q->session = q->internal_qs.session;
149  }
150 
151  /* make sure the decoder is uninitialized */
152  MFXVideoDECODE_Close(q->session);
153 
154  return 0;
155 }
156 
157 static inline unsigned int qsv_fifo_item_size(void)
158 {
159  return sizeof(mfxSyncPoint*) + sizeof(QSVFrame*);
160 }
161 
162 static inline unsigned int qsv_fifo_size(const AVFifoBuffer* fifo)
163 {
164  return av_fifo_size(fifo) / qsv_fifo_item_size();
165 }
166 
167 static int qsv_decode_preinit(AVCodecContext *avctx, QSVContext *q, enum AVPixelFormat pix_fmt, mfxVideoParam *param)
168 {
169  mfxSession session = NULL;
170  int iopattern = 0;
171  int ret;
172  enum AVPixelFormat pix_fmts[3] = {
173  AV_PIX_FMT_QSV, /* opaque format in case of video memory output */
174  pix_fmt, /* system memory format obtained from bitstream parser */
175  AV_PIX_FMT_NONE };
176 
177  ret = ff_get_format(avctx, pix_fmts);
178  if (ret < 0) {
179  q->orig_pix_fmt = avctx->pix_fmt = AV_PIX_FMT_NONE;
180  return ret;
181  }
182 
183  if (!q->async_fifo) {
185  if (!q->async_fifo)
186  return AVERROR(ENOMEM);
187  }
188 
189  if (avctx->pix_fmt == AV_PIX_FMT_QSV && avctx->hwaccel_context) {
190  AVQSVContext *user_ctx = avctx->hwaccel_context;
191  session = user_ctx->session;
192  iopattern = user_ctx->iopattern;
193  q->ext_buffers = user_ctx->ext_buffers;
194  q->nb_ext_buffers = user_ctx->nb_ext_buffers;
195  }
196 
197  if (avctx->hw_frames_ctx) {
198  AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
199  AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
200 
201  if (!iopattern) {
202  if (frames_hwctx->frame_type & MFX_MEMTYPE_OPAQUE_FRAME)
203  iopattern = MFX_IOPATTERN_OUT_OPAQUE_MEMORY;
204  else if (frames_hwctx->frame_type & MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET)
205  iopattern = MFX_IOPATTERN_OUT_VIDEO_MEMORY;
206  }
207  }
208 
209  if (!iopattern)
210  iopattern = MFX_IOPATTERN_OUT_SYSTEM_MEMORY;
211  q->iopattern = iopattern;
212 
213  ff_qsv_print_iopattern(avctx, q->iopattern, "Decoder");
214 
215  ret = qsv_init_session(avctx, q, session, avctx->hw_frames_ctx, avctx->hw_device_ctx);
216  if (ret < 0) {
217  av_log(avctx, AV_LOG_ERROR, "Error initializing an MFX session\n");
218  return ret;
219  }
220 
221  param->IOPattern = q->iopattern;
222  param->AsyncDepth = q->async_depth;
223  param->ExtParam = q->ext_buffers;
224  param->NumExtParam = q->nb_ext_buffers;
225 
226  return 0;
227  }
228 
229 static int qsv_decode_init(AVCodecContext *avctx, QSVContext *q, mfxVideoParam *param)
230 {
231  int ret;
232 
233  avctx->width = param->mfx.FrameInfo.CropW;
234  avctx->height = param->mfx.FrameInfo.CropH;
235  avctx->coded_width = param->mfx.FrameInfo.Width;
236  avctx->coded_height = param->mfx.FrameInfo.Height;
237  avctx->level = param->mfx.CodecLevel;
238  avctx->profile = param->mfx.CodecProfile;
239  avctx->field_order = ff_qsv_map_picstruct(param->mfx.FrameInfo.PicStruct);
240  avctx->pix_fmt = ff_qsv_map_fourcc(param->mfx.FrameInfo.FourCC);
241 
242  ret = MFXVideoDECODE_Init(q->session, param);
243  if (ret < 0)
244  return ff_qsv_print_error(avctx, ret,
245  "Error initializing the MFX video decoder");
246 
247  q->frame_info = param->mfx.FrameInfo;
248 
249  if (!avctx->hw_frames_ctx)
251  FFALIGN(avctx->width, 128), FFALIGN(avctx->height, 64), 1), av_buffer_allocz);
252  return 0;
253 }
254 
255 static int qsv_decode_header(AVCodecContext *avctx, QSVContext *q, AVPacket *avpkt, enum AVPixelFormat pix_fmt, mfxVideoParam *param)
256 {
257  int ret;
258 
259  mfxBitstream bs = { 0 };
260 
261  if (avpkt->size) {
262  bs.Data = avpkt->data;
263  bs.DataLength = avpkt->size;
264  bs.MaxLength = bs.DataLength;
265  bs.TimeStamp = avpkt->pts;
266  if (avctx->field_order == AV_FIELD_PROGRESSIVE)
267  bs.DataFlag |= MFX_BITSTREAM_COMPLETE_FRAME;
268  } else
269  return AVERROR_INVALIDDATA;
270 
271 
272  if(!q->session) {
273  ret = qsv_decode_preinit(avctx, q, pix_fmt, param);
274  if (ret < 0)
275  return ret;
276  }
277 
278  ret = ff_qsv_codec_id_to_mfx(avctx->codec_id);
279  if (ret < 0)
280  return ret;
281 
282  param->mfx.CodecId = ret;
283  ret = MFXVideoDECODE_DecodeHeader(q->session, &bs, param);
284  if (MFX_ERR_MORE_DATA == ret) {
285  return AVERROR(EAGAIN);
286  }
287  if (ret < 0)
288  return ff_qsv_print_error(avctx, ret,
289  "Error decoding stream header");
290 
291  return 0;
292 }
293 
295 {
296  int ret;
297 
298  if (q->pool)
299  ret = ff_qsv_get_continuous_buffer(avctx, frame->frame, q->pool);
300  else
301  ret = ff_get_buffer(avctx, frame->frame, AV_GET_BUFFER_FLAG_REF);
302 
303  if (ret < 0)
304  return ret;
305 
306  if (frame->frame->format == AV_PIX_FMT_QSV) {
307  frame->surface = *(mfxFrameSurface1*)frame->frame->data[3];
308  } else {
309  frame->surface.Info = q->frame_info;
310 
311  frame->surface.Data.PitchLow = frame->frame->linesize[0];
312  frame->surface.Data.Y = frame->frame->data[0];
313  frame->surface.Data.UV = frame->frame->data[1];
314  }
315 
316  if (q->frames_ctx.mids) {
317  ret = ff_qsv_find_surface_idx(&q->frames_ctx, frame);
318  if (ret < 0)
319  return ret;
320 
321  frame->surface.Data.MemId = &q->frames_ctx.mids[ret];
322  }
323  frame->surface.Data.ExtParam = &frame->ext_param;
324  frame->surface.Data.NumExtParam = 1;
325  frame->ext_param = (mfxExtBuffer*)&frame->dec_info;
326  frame->dec_info.Header.BufferId = MFX_EXTBUFF_DECODED_FRAME_INFO;
327  frame->dec_info.Header.BufferSz = sizeof(frame->dec_info);
328 
329  frame->used = 1;
330 
331  return 0;
332 }
333 
335 {
336  QSVFrame *cur = q->work_frames;
337  while (cur) {
338  if (cur->used && !cur->surface.Data.Locked && !cur->queued) {
339  cur->used = 0;
340  av_frame_unref(cur->frame);
341  }
342  cur = cur->next;
343  }
344 }
345 
346 static int get_surface(AVCodecContext *avctx, QSVContext *q, mfxFrameSurface1 **surf)
347 {
348  QSVFrame *frame, **last;
349  int ret;
350 
352 
353  frame = q->work_frames;
354  last = &q->work_frames;
355  while (frame) {
356  if (!frame->used) {
357  ret = alloc_frame(avctx, q, frame);
358  if (ret < 0)
359  return ret;
360  *surf = &frame->surface;
361  return 0;
362  }
363 
364  last = &frame->next;
365  frame = frame->next;
366  }
367 
368  frame = av_mallocz(sizeof(*frame));
369  if (!frame)
370  return AVERROR(ENOMEM);
371  frame->frame = av_frame_alloc();
372  if (!frame->frame) {
373  av_freep(&frame);
374  return AVERROR(ENOMEM);
375  }
376  *last = frame;
377 
378  ret = alloc_frame(avctx, q, frame);
379  if (ret < 0)
380  return ret;
381 
382  *surf = &frame->surface;
383 
384  return 0;
385 }
386 
387 static QSVFrame *find_frame(QSVContext *q, mfxFrameSurface1 *surf)
388 {
389  QSVFrame *cur = q->work_frames;
390  while (cur) {
391  if (surf == &cur->surface)
392  return cur;
393  cur = cur->next;
394  }
395  return NULL;
396 }
397 
398 static int qsv_decode(AVCodecContext *avctx, QSVContext *q,
399  AVFrame *frame, int *got_frame,
400  AVPacket *avpkt)
401 {
402  QSVFrame *out_frame;
403  mfxFrameSurface1 *insurf;
404  mfxFrameSurface1 *outsurf;
405  mfxSyncPoint *sync;
406  mfxBitstream bs = { { { 0 } } };
407  int ret;
408 
409  if (avpkt->size) {
410  bs.Data = avpkt->data;
411  bs.DataLength = avpkt->size;
412  bs.MaxLength = bs.DataLength;
413  bs.TimeStamp = avpkt->pts;
414  if (avctx->field_order == AV_FIELD_PROGRESSIVE)
415  bs.DataFlag |= MFX_BITSTREAM_COMPLETE_FRAME;
416  }
417 
418  sync = av_mallocz(sizeof(*sync));
419  if (!sync) {
420  av_freep(&sync);
421  return AVERROR(ENOMEM);
422  }
423 
424  do {
425  ret = get_surface(avctx, q, &insurf);
426  if (ret < 0) {
427  av_freep(&sync);
428  return ret;
429  }
430 
431  ret = MFXVideoDECODE_DecodeFrameAsync(q->session, avpkt->size ? &bs : NULL,
432  insurf, &outsurf, sync);
433  if (ret == MFX_WRN_DEVICE_BUSY)
434  av_usleep(500);
435 
436  } while (ret == MFX_WRN_DEVICE_BUSY || ret == MFX_ERR_MORE_SURFACE);
437 
438  if (ret != MFX_ERR_NONE &&
439  ret != MFX_ERR_MORE_DATA &&
440  ret != MFX_WRN_VIDEO_PARAM_CHANGED &&
441  ret != MFX_ERR_MORE_SURFACE) {
442  av_freep(&sync);
443  return ff_qsv_print_error(avctx, ret,
444  "Error during QSV decoding.");
445  }
446 
447  /* make sure we do not enter an infinite loop if the SDK
448  * did not consume any data and did not return anything */
449  if (!*sync && !bs.DataOffset) {
450  bs.DataOffset = avpkt->size;
451  ++q->zero_consume_run;
452  if (q->zero_consume_run > 1)
453  ff_qsv_print_warning(avctx, ret, "A decode call did not consume any data");
454  } else if (!*sync && bs.DataOffset) {
455  ++q->buffered_count;
456  } else {
457  q->zero_consume_run = 0;
458  }
459 
460  if (*sync) {
461  QSVFrame *out_frame = find_frame(q, outsurf);
462 
463  if (!out_frame) {
464  av_log(avctx, AV_LOG_ERROR,
465  "The returned surface does not correspond to any frame\n");
466  av_freep(&sync);
467  return AVERROR_BUG;
468  }
469 
470  out_frame->queued = 1;
471  av_fifo_generic_write(q->async_fifo, &out_frame, sizeof(out_frame), NULL);
472  av_fifo_generic_write(q->async_fifo, &sync, sizeof(sync), NULL);
473  } else {
474  av_freep(&sync);
475  }
476 
477  if ((qsv_fifo_size(q->async_fifo) >= q->async_depth) ||
478  (!avpkt->size && av_fifo_size(q->async_fifo))) {
479  AVFrame *src_frame;
480 
481  av_fifo_generic_read(q->async_fifo, &out_frame, sizeof(out_frame), NULL);
482  av_fifo_generic_read(q->async_fifo, &sync, sizeof(sync), NULL);
483  out_frame->queued = 0;
484 
485  if (avctx->pix_fmt != AV_PIX_FMT_QSV) {
486  do {
487  ret = MFXVideoCORE_SyncOperation(q->session, *sync, 1000);
488  } while (ret == MFX_WRN_IN_EXECUTION);
489  }
490 
491  av_freep(&sync);
492 
493  src_frame = out_frame->frame;
494 
495  ret = av_frame_ref(frame, src_frame);
496  if (ret < 0)
497  return ret;
498 
499  outsurf = &out_frame->surface;
500 
501 #if FF_API_PKT_PTS
503  frame->pkt_pts = outsurf->Data.TimeStamp;
505 #endif
506  frame->pts = outsurf->Data.TimeStamp;
507 
508  frame->repeat_pict =
509  outsurf->Info.PicStruct & MFX_PICSTRUCT_FRAME_TRIPLING ? 4 :
510  outsurf->Info.PicStruct & MFX_PICSTRUCT_FRAME_DOUBLING ? 2 :
511  outsurf->Info.PicStruct & MFX_PICSTRUCT_FIELD_REPEATED ? 1 : 0;
512  frame->top_field_first =
513  outsurf->Info.PicStruct & MFX_PICSTRUCT_FIELD_TFF;
514  frame->interlaced_frame =
515  !(outsurf->Info.PicStruct & MFX_PICSTRUCT_PROGRESSIVE);
516  frame->pict_type = ff_qsv_map_pictype(out_frame->dec_info.FrameType);
517  //Key frame is IDR frame is only suitable for H264. For HEVC, IRAPs are key frames.
518  if (avctx->codec_id == AV_CODEC_ID_H264)
519  frame->key_frame = !!(out_frame->dec_info.FrameType & MFX_FRAMETYPE_IDR);
520 
521  /* update the surface properties */
522  if (avctx->pix_fmt == AV_PIX_FMT_QSV)
523  ((mfxFrameSurface1*)frame->data[3])->Info = outsurf->Info;
524 
525  *got_frame = 1;
526  }
527 
528  return bs.DataOffset;
529 }
530 
532 {
533  QSVFrame *cur = q->work_frames;
534 
535  if (q->session)
536  MFXVideoDECODE_Close(q->session);
537 
538  while (q->async_fifo && av_fifo_size(q->async_fifo)) {
539  QSVFrame *out_frame;
540  mfxSyncPoint *sync;
541 
542  av_fifo_generic_read(q->async_fifo, &out_frame, sizeof(out_frame), NULL);
543  av_fifo_generic_read(q->async_fifo, &sync, sizeof(sync), NULL);
544 
545  av_freep(&sync);
546  }
547 
548  while (cur) {
549  q->work_frames = cur->next;
550  av_frame_free(&cur->frame);
551  av_freep(&cur);
552  cur = q->work_frames;
553  }
554 
556  q->async_fifo = NULL;
557 
559 
563 
564  return 0;
565 }
566 
568  AVFrame *frame, int *got_frame, AVPacket *pkt)
569 {
570  int ret;
571  mfxVideoParam param = { 0 };
573 
574  if (!pkt->size)
575  return qsv_decode(avctx, q, frame, got_frame, pkt);
576 
577  /* TODO: flush delayed frames on reinit */
578 
579  // sw_pix_fmt, coded_width/height should be set for ff_get_format(),
580  // assume sw_pix_fmt is NV12 and coded_width/height to be 1280x720,
581  // the assumption may be not corret but will be updated after header decoded if not true.
582  if (q->orig_pix_fmt != AV_PIX_FMT_NONE)
583  pix_fmt = q->orig_pix_fmt;
584  if (!avctx->coded_width)
585  avctx->coded_width = 1280;
586  if (!avctx->coded_height)
587  avctx->coded_height = 720;
588 
589  ret = qsv_decode_header(avctx, q, pkt, pix_fmt, &param);
590 
591  if (ret >= 0 && (q->orig_pix_fmt != ff_qsv_map_fourcc(param.mfx.FrameInfo.FourCC) ||
592  avctx->coded_width != param.mfx.FrameInfo.Width ||
593  avctx->coded_height != param.mfx.FrameInfo.Height)) {
594  AVPacket zero_pkt = {0};
595 
596  if (q->buffered_count) {
597  q->reinit_flag = 1;
598  /* decode zero-size pkt to flush the buffered pkt before reinit */
599  q->buffered_count--;
600  return qsv_decode(avctx, q, frame, got_frame, &zero_pkt);
601  }
602  q->reinit_flag = 0;
603 
604  q->orig_pix_fmt = avctx->pix_fmt = pix_fmt = ff_qsv_map_fourcc(param.mfx.FrameInfo.FourCC);
605 
606  avctx->coded_width = param.mfx.FrameInfo.Width;
607  avctx->coded_height = param.mfx.FrameInfo.Height;
608 
609  ret = qsv_decode_preinit(avctx, q, pix_fmt, &param);
610  if (ret < 0)
611  goto reinit_fail;
612  q->initialized = 0;
613  }
614 
615  if (!q->initialized) {
616  ret = qsv_decode_init(avctx, q, &param);
617  if (ret < 0)
618  goto reinit_fail;
619  q->initialized = 1;
620  }
621 
622  return qsv_decode(avctx, q, frame, got_frame, pkt);
623 
624 reinit_fail:
625  q->orig_pix_fmt = avctx->pix_fmt = AV_PIX_FMT_NONE;
626  return ret;
627 }
628 
630 {
632  q->initialized = 0;
633 }
AVCodecHWConfig public
This is the structure which will be returned to the user by avcodec_get_hw_config().
Definition: hwaccel.h:34
#define NULL
Definition: coverity.c:32
int ff_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt)
Select the (possibly hardware accelerated) pixel format.
Definition: decode.c:1370
int iopattern
Definition: qsvdec.h:68
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
static enum AVPixelFormat pix_fmt
static unsigned int qsv_fifo_size(const AVFifoBuffer *fifo)
Definition: qsvdec.c:162
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
This structure describes decoded (raw) audio or video data.
Definition: frame.h:295
int coded_width
Bitstream width / height, may be different from width/height e.g.
Definition: avcodec.h:1756
misc image utilities
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
Memory handling functions.
AVBufferRef * buf[AV_NUM_DATA_POINTERS]
AVBuffer references backing the data for this frame.
Definition: frame.h:486
This struct is allocated as AVHWFramesContext.hwctx.
Definition: hwcontext_qsv.h:42
int repeat_pict
When decoding, this signals how much the picture must be delayed.
Definition: frame.h:437
int size
Definition: avcodec.h:1481
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:1778
mfxExtBuffer ** ext_buffers
Definition: qsvdec.h:73
int ff_qsv_init_session_device(AVCodecContext *avctx, mfxSession *psession, AVBufferRef *device_ref, const char *load_plugins, int gpu_copy)
Definition: qsv.c:720
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
Definition: mem.c:236
int av_usleep(unsigned usec)
Sleep for a period of time.
Definition: time.c:84
int ff_decode_frame_props(AVCodecContext *avctx, AVFrame *frame)
Set various frame properties from the codec context / packet data.
Definition: decode.c:1737
static AVPacket pkt
static int qsv_decode(AVCodecContext *avctx, QSVContext *q, AVFrame *frame, int *got_frame, AVPacket *avpkt)
Definition: qsvdec.c:398
int profile
profile
Definition: avcodec.h:2901
QSVSession internal_qs
Definition: qsvdec.h:45
static int ff_qsv_get_continuous_buffer(AVCodecContext *avctx, AVFrame *frame, AVBufferPool *pool)
Definition: qsvdec.c:59
static int qsv_decode_init(AVCodecContext *avctx, QSVContext *q, mfxVideoParam *param)
Definition: qsvdec.c:229
AVBufferRef * hw_frames_ctx
Definition: qsv_internal.h:92
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 ff_qsv_print_error(void *log_ctx, mfxStatus err, const char *error_string)
Definition: qsv.c:224
#define AV_PIX_FMT_P010
Definition: pixfmt.h:436
mfxExtDecodedFrameInfo dec_info
Definition: qsv_internal.h:74
AVFrame * av_frame_alloc(void)
Allocate an AVFrame and set its fields to default values.
Definition: frame.c:189
int ff_attach_decode_data(AVFrame *frame)
Definition: decode.c:1881
void * hwaccel_context
Hardware accelerator context.
Definition: avcodec.h:2744
AVBufferRef * mids_buf
Definition: qsv_internal.h:99
The codec supports this format by some ad-hoc method.
Definition: avcodec.h:3463
int ff_qsv_decode_close(QSVContext *q)
Definition: qsvdec.c:531
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
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:388
enum AVPixelFormat pix_fmt
A hardware pixel format which the codec can use.
Definition: avcodec.h:3470
int queued
Definition: qsv_internal.h:77
uint8_t * data
Definition: avcodec.h:1480
void av_fifo_free(AVFifoBuffer *f)
Free an AVFifoBuffer.
Definition: fifo.c:55
int interlaced_frame
The content of the picture is interlaced.
Definition: frame.h:442
#define FFALIGN(x, a)
Definition: macros.h:48
#define av_log(a,...)
The buffer pool.
static QSVFrame * find_frame(QSVContext *q, mfxFrameSurface1 *surf)
Definition: qsvdec.c:387
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:431
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:797
int width
Definition: frame.h:353
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
int ff_qsv_find_surface_idx(QSVFramesContext *ctx, QSVFrame *frame)
Definition: qsv.c:271
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:202
int reinit_flag
Definition: qsvdec.h:57
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
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
int ff_qsv_print_iopattern(void *log_ctx, int mfx_iopattern, const char *extra_string)
Definition: qsv.c:152
int iopattern
The IO pattern to use.
Definition: qsv.h:46
int ff_qsv_close_internal_session(QSVSession *qs)
Definition: qsv.c:844
enum AVPictureType ff_qsv_map_pictype(int mfx_pic_type)
Definition: qsv.c:300
int nb_ext_buffers
Definition: qsv.h:52
void ff_qsv_decode_flush(AVCodecContext *avctx, QSVContext *q)
Definition: qsvdec.c:629
int buffered_count
Definition: qsvdec.h:56
int ff_qsv_print_warning(void *log_ctx, mfxStatus err, const char *warning_string)
Definition: qsv.c:234
mfxExtBuffer * ext_param
Definition: qsv_internal.h:75
int zero_consume_run
Definition: qsvdec.h:55
AVBufferPool * pool
Definition: qsvdec.h:62
enum AVPictureType pict_type
Picture type of the frame.
Definition: frame.h:378
static unsigned int qsv_fifo_item_size(void)
Definition: qsvdec.c:157
int width
picture width / height.
Definition: avcodec.h:1741
AVBufferRef * hw_frames_ctx
A reference to the AVHWFramesContext describing the input (for encoding) or output (decoding) frames...
Definition: avcodec.h:3265
int ff_qsv_codec_id_to_mfx(enum AVCodecID codec_id)
Definition: qsv.c:43
these buffered frames must be flushed immediately if a new input produces new the filter must not call request_frame to get more It must just process the frame or queue it The task of requesting more frames is left to the filter s request_frame method or the application If a filter has several the filter must be ready for frames arriving randomly on any input any filter with several inputs will most likely require some kind of queuing mechanism It is perfectly acceptable to have a limited queue and to drop frames when the inputs are too unbalanced request_frame For filters that do not use the this method is called when a frame is wanted on an output For a it should directly call filter_frame on the corresponding output For a if there are queued frames already one of these frames should be pushed If the filter should request a frame on one of its repeatedly until at least one frame has been pushed Return or at least make progress towards producing a frame
int level
level
Definition: avcodec.h:3021
mfxFrameSurface1 surface
Definition: qsv_internal.h:72
if(ret)
int format
format of the frame, -1 if unknown or unset Values correspond to enum AVPixelFormat for video frames...
Definition: frame.h:368
enum AVPixelFormat orig_pix_fmt
Definition: qsvdec.h:59
Libavcodec external API header.
enum AVCodecID codec_id
Definition: avcodec.h:1578
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
mfxExtBuffer ** ext_buffers
Extra buffers to pass to encoder or decoder initialization.
Definition: qsv.h:51
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:326
static int alloc_frame(AVCodecContext *avctx, QSVContext *q, QSVFrame *frame)
Definition: qsvdec.c:294
main external API structure.
Definition: avcodec.h:1568
uint8_t * data
The data buffer.
Definition: buffer.h:89
struct QSVFrame * next
Definition: qsv_internal.h:80
void * hwctx
The format-specific data, allocated and freed automatically along with this context.
Definition: hwcontext.h:161
int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
Get a buffer for a frame.
Definition: decode.c:1968
AVBufferRef * av_buffer_allocz(int size)
Same as av_buffer_alloc(), except the returned buffer will be initialized to zero.
Definition: buffer.c:83
static int get_surface(AVCodecContext *avctx, QSVContext *q, mfxFrameSurface1 **surf)
Definition: qsvdec.c:346
#define AVERROR_BUG
Internal bug, also see AVERROR_BUG2.
Definition: error.h:50
int coded_height
Definition: avcodec.h:1756
void av_buffer_pool_uninit(AVBufferPool **ppool)
Mark the pool as being available for freeing.
Definition: buffer.c:275
int gpu_copy
Definition: qsvdec.h:69
This struct describes a set or pool of "hardware" frames (i.e.
Definition: hwcontext.h:123
HW acceleration through QSV, data[3] contains a pointer to the mfxFrameSurface1 structure.
Definition: pixfmt.h:222
int ff_qsv_init_internal_session(AVCodecContext *avctx, QSVSession *qs, const char *load_plugins, int gpu_copy)
Definition: qsv.c:414
char * load_plugins
Definition: qsvdec.h:71
This struct is used for communicating QSV parameters between libavcodec and the caller.
Definition: qsv.h:36
static void qsv_clear_unused_frames(QSVContext *q)
Definition: qsvdec.c:334
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:275
void av_frame_unref(AVFrame *frame)
Unreference all the buffers referenced by frame and reset the frame fields.
Definition: frame.c:553
The codec supports this format via the hw_frames_ctx interface.
Definition: avcodec.h:3447
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:309
attribute_deprecated int64_t pkt_pts
PTS copied from the AVPacket that was decoded to produce this frame.
Definition: frame.h:396
A reference to a data buffer.
Definition: buffer.h:81
#define FF_DISABLE_DEPRECATION_WARNINGS
Definition: internal.h:84
common internal api header.
common internal and external API header
AVBufferPool * av_buffer_pool_init(int size, AVBufferRef *(*alloc)(int size))
Allocate and initialize a buffer pool.
Definition: buffer.c:238
static int qsv_init_session(AVCodecContext *avctx, QSVContext *q, mfxSession session, AVBufferRef *hw_frames_ref, AVBufferRef *hw_device_ref)
Definition: qsvdec.c:96
AVBufferRef * av_buffer_ref(AVBufferRef *buf)
Create a new reference to an AVBuffer.
Definition: buffer.c:93
mfxFrameInfo frame_info
Definition: qsvdec.h:61
pixel format definitions
#define FF_ENABLE_DEPRECATION_WARNINGS
Definition: internal.h:85
AVFifoBuffer * av_fifo_alloc(unsigned int size)
Initialize an AVFifoBuffer.
Definition: fifo.c:43
int top_field_first
If the content is interlaced, is top field displayed first.
Definition: frame.h:447
QSVFramesContext frames_ctx
Definition: qsvdec.h:47
static int qsv_decode_preinit(AVCodecContext *avctx, QSVContext *q, enum AVPixelFormat pix_fmt, mfxVideoParam *param)
Definition: qsvdec.c:167
mfxSession session
Definition: qsvdec.h:41
int key_frame
1 -> keyframe, 0-> not
Definition: frame.h:373
AVFifoBuffer * async_fifo
Definition: qsvdec.h:54
int height
Definition: frame.h:353
int initialized
Definition: qsvdec.h:64
enum AVFieldOrder ff_qsv_map_picstruct(int mfx_pic_struct)
Definition: qsv.c:282
#define av_freep(p)
enum AVFieldOrder field_order
Field order.
Definition: avcodec.h:2225
An API-specific header for AV_HWDEVICE_TYPE_QSV.
AVFrame * frame
Definition: qsv_internal.h:71
AVBufferRef * av_buffer_pool_get(AVBufferPool *pool)
Allocate a new AVBuffer, reusing an old buffer from the pool when available.
Definition: buffer.c:334
const AVCodecHWConfigInternal * ff_qsv_hw_configs[]
Definition: qsvdec.c:46
int async_depth
Definition: qsvdec.h:67
Filter the word “frame” indicates either a video frame or a group of audio as stored in an AVFrame structure Format for each input and each output the list of supported formats For video that means pixel format For audio that means channel sample they are references to shared objects When the negotiation mechanism computes the intersection of the formats supported at each end of a all references to both lists are replaced with a reference to the intersection And when a single format is eventually chosen for a link amongst the remaining all references to the list are updated That means that if a filter requires that its input and output have the same format amongst a supported all it has to do is use a reference to the same list of formats query_formats can leave some formats unset and return AVERROR(EAGAIN) to cause the negotiation mechanism toagain later.That can be used by filters with complex requirements to use the format negotiated on one link to set the formats supported on another.Frame references ownership and permissions
AVBufferRef * hw_device_ctx
A reference to the AVHWDeviceContext describing the device which will be used by a hardware encoder/d...
Definition: avcodec.h:3317
int ff_qsv_process_data(AVCodecContext *avctx, QSVContext *q, AVFrame *frame, int *got_frame, AVPacket *pkt)
Definition: qsvdec.c:567
QSVFrame * work_frames
a linked list of frames currently being used by QSV
Definition: qsvdec.h:52
static int qsv_decode_header(AVCodecContext *avctx, QSVContext *q, AVPacket *avpkt, enum AVPixelFormat pix_fmt, mfxVideoParam *param)
Definition: qsvdec.c:255
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
This structure stores compressed data.
Definition: avcodec.h:1457
#define AV_GET_BUFFER_FLAG_REF
The decoder will keep a reference to the frame and may reuse it later.
Definition: avcodec.h:1179
mfxSession session
If non-NULL, the session to use for encoding or decoding.
Definition: qsv.h:41
mfxSession session
Definition: qsv_internal.h:84
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
Definition: avcodec.h:1473
enum AVPixelFormat ff_qsv_map_fourcc(uint32_t fourcc)
Definition: qsv.c:244
int nb_ext_buffers
Definition: qsvdec.h:74