FFmpeg
dxva2_vc1.c
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1 /*
2  * DXVA2 WMV3/VC-1 HW acceleration.
3  *
4  * copyright (c) 2010 Laurent Aimar
5  *
6  * This file is part of FFmpeg.
7  *
8  * FFmpeg is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * FFmpeg is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with FFmpeg; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
23 #include "dxva2_internal.h"
24 #include "mpegutils.h"
25 #include "vc1.h"
26 #include "vc1data.h"
27 
28 #define MAX_SLICES 1024
29 
30 struct dxva2_picture_context {
31  DXVA_PictureParameters pp;
32  unsigned slice_count;
33  DXVA_SliceInfo slice[MAX_SLICES];
34 
35  const uint8_t *bitstream;
36  unsigned bitstream_size;
37 };
38 
39 static void fill_picture_parameters(AVCodecContext *avctx,
40  AVDXVAContext *ctx, const VC1Context *v,
41  DXVA_PictureParameters *pp)
42 {
43  const MpegEncContext *s = &v->s;
44  const Picture *current_picture = s->current_picture_ptr;
45  int intcomp = 0;
46 
47  // determine if intensity compensation is needed
48  if (s->pict_type == AV_PICTURE_TYPE_P) {
49  if ((v->fcm == ILACE_FRAME && v->intcomp) || (v->fcm != ILACE_FRAME && v->mv_mode == MV_PMODE_INTENSITY_COMP)) {
50  if (v->lumscale != 32 || v->lumshift != 0 || (s->picture_structure != PICT_FRAME && (v->lumscale2 != 32 || v->lumshift2 != 0)))
51  intcomp = 1;
52  }
53  }
54 
55  memset(pp, 0, sizeof(*pp));
56  pp->wDecodedPictureIndex =
57  pp->wDeblockedPictureIndex = ff_dxva2_get_surface_index(avctx, ctx, current_picture->f);
58  if (s->pict_type != AV_PICTURE_TYPE_I && !v->bi_type)
59  pp->wForwardRefPictureIndex = ff_dxva2_get_surface_index(avctx, ctx, s->last_picture.f);
60  else
61  pp->wForwardRefPictureIndex = 0xffff;
62  if (s->pict_type == AV_PICTURE_TYPE_B && !v->bi_type)
63  pp->wBackwardRefPictureIndex = ff_dxva2_get_surface_index(avctx, ctx, s->next_picture.f);
64  else
65  pp->wBackwardRefPictureIndex = 0xffff;
66  if (v->profile == PROFILE_ADVANCED) {
67  /* It is the cropped width/height -1 of the frame */
68  pp->wPicWidthInMBminus1 = avctx->width - 1;
69  pp->wPicHeightInMBminus1= avctx->height - 1;
70  } else {
71  /* It is the coded width/height in macroblock -1 of the frame */
72  pp->wPicWidthInMBminus1 = s->mb_width - 1;
73  pp->wPicHeightInMBminus1= s->mb_height - 1;
74  }
75  pp->bMacroblockWidthMinus1 = 15;
76  pp->bMacroblockHeightMinus1 = 15;
77  pp->bBlockWidthMinus1 = 7;
78  pp->bBlockHeightMinus1 = 7;
79  pp->bBPPminus1 = 7;
80  if (s->picture_structure & PICT_TOP_FIELD)
81  pp->bPicStructure |= 0x01;
82  if (s->picture_structure & PICT_BOTTOM_FIELD)
83  pp->bPicStructure |= 0x02;
84  pp->bSecondField = v->interlace && v->fcm == ILACE_FIELD && v->second_field;
85  pp->bPicIntra = s->pict_type == AV_PICTURE_TYPE_I || v->bi_type;
86  pp->bPicBackwardPrediction = s->pict_type == AV_PICTURE_TYPE_B && !v->bi_type;
87  pp->bBidirectionalAveragingMode = (1 << 7) |
88  ((DXVA_CONTEXT_CFG_INTRARESID(avctx, ctx) != 0) << 6) |
89  ((DXVA_CONTEXT_CFG_RESIDACCEL(avctx, ctx) != 0) << 5) |
90  (intcomp << 4) |
91  ((v->profile == PROFILE_ADVANCED) << 3);
92  pp->bMVprecisionAndChromaRelation = ((v->mv_mode == MV_PMODE_1MV_HPEL_BILIN) << 3) |
93  (1 << 2) |
94  (0 << 1) |
95  (!s->quarter_sample );
96  pp->bChromaFormat = v->chromaformat;
97  DXVA_CONTEXT_REPORT_ID(avctx, ctx)++;
98  if (DXVA_CONTEXT_REPORT_ID(avctx, ctx) >= (1 << 16))
99  DXVA_CONTEXT_REPORT_ID(avctx, ctx) = 1;
100  pp->bPicScanFixed = DXVA_CONTEXT_REPORT_ID(avctx, ctx) >> 8;
101  pp->bPicScanMethod = DXVA_CONTEXT_REPORT_ID(avctx, ctx) & 0xff;
102  pp->bPicReadbackRequests = 0;
103  pp->bRcontrol = v->rnd;
104  pp->bPicSpatialResid8 = (v->panscanflag << 7) |
105  (v->refdist_flag << 6) |
106  (s->loop_filter << 5) |
107  (v->fastuvmc << 4) |
108  (v->extended_mv << 3) |
109  (v->dquant << 1) |
110  (v->vstransform );
111  pp->bPicOverflowBlocks = (v->quantizer_mode << 6) |
112  (v->multires << 5) |
113  (v->resync_marker << 4) |
114  (v->rangered << 3) |
115  (s->max_b_frames );
116  pp->bPicExtrapolation = (!v->interlace || v->fcm == PROGRESSIVE) ? 1 : 2;
117  pp->bPicDeblocked = ((!pp->bPicBackwardPrediction && v->overlap) << 6) |
118  ((v->profile != PROFILE_ADVANCED && v->rangeredfrm) << 5) |
119  (s->loop_filter << 1);
120  pp->bPicDeblockConfined = (v->postprocflag << 7) |
121  (v->broadcast << 6) |
122  (v->interlace << 5) |
123  (v->tfcntrflag << 4) |
124  (v->finterpflag << 3) |
125  ((s->pict_type != AV_PICTURE_TYPE_B) << 2) |
126  (v->psf << 1) |
127  (v->extended_dmv );
128  if (s->pict_type != AV_PICTURE_TYPE_I)
129  pp->bPic4MVallowed = v->mv_mode == MV_PMODE_MIXED_MV ||
130  (v->mv_mode == MV_PMODE_INTENSITY_COMP &&
131  v->mv_mode2 == MV_PMODE_MIXED_MV);
132  if (v->profile == PROFILE_ADVANCED)
133  pp->bPicOBMC = (v->range_mapy_flag << 7) |
134  (v->range_mapy << 4) |
135  (v->range_mapuv_flag << 3) |
136  (v->range_mapuv );
137  pp->bPicBinPB = 0;
138  pp->bMV_RPS = (v->fcm == ILACE_FIELD && pp->bPicBackwardPrediction) ? v->refdist + 9 : 0;
139  pp->bReservedBits = v->pq;
140  if (s->picture_structure == PICT_FRAME) {
141  if (intcomp) {
142  pp->wBitstreamFcodes = v->lumscale;
143  pp->wBitstreamPCEelements = v->lumshift;
144  } else {
145  pp->wBitstreamFcodes = 32;
146  pp->wBitstreamPCEelements = 0;
147  }
148  } else {
149  /* Syntax: (top_field_param << 8) | bottom_field_param */
150  if (intcomp) {
151  pp->wBitstreamFcodes = (v->lumscale << 8) | v->lumscale2;
152  pp->wBitstreamPCEelements = (v->lumshift << 8) | v->lumshift2;
153  } else {
154  pp->wBitstreamFcodes = (32 << 8) | 32;
155  pp->wBitstreamPCEelements = 0;
156  }
157  }
158  pp->bBitstreamConcealmentNeed = 0;
159  pp->bBitstreamConcealmentMethod = 0;
160 }
161 
162 static void fill_slice(AVCodecContext *avctx, DXVA_SliceInfo *slice,
163  unsigned position, unsigned size)
164 {
165  const VC1Context *v = avctx->priv_data;
166  const MpegEncContext *s = &v->s;
167 
168  memset(slice, 0, sizeof(*slice));
169  slice->wHorizontalPosition = 0;
170  slice->wVerticalPosition = s->mb_y;
171  slice->dwSliceBitsInBuffer = 8 * size;
172  slice->dwSliceDataLocation = position;
173  slice->bStartCodeBitOffset = 0;
174  slice->bReservedBits = (s->pict_type == AV_PICTURE_TYPE_B && !v->bi_type) ? v->bfraction_lut_index + 9 : 0;
175  slice->wMBbitOffset = v->p_frame_skipped ? 0xffff : get_bits_count(&s->gb) + (avctx->codec_id == AV_CODEC_ID_VC1 ? 32 : 0);
176  /* XXX We store the index of the first MB and it will be fixed later */
177  slice->wNumberMBsInSlice = (s->mb_y >> v->field_mode) * s->mb_width + s->mb_x;
178  slice->wQuantizerScaleCode = v->pq;
179  slice->wBadSliceChopping = 0;
180 }
181 
182 static int commit_bitstream_and_slice_buffer(AVCodecContext *avctx,
183  DECODER_BUFFER_DESC *bs,
184  DECODER_BUFFER_DESC *sc)
185 {
186  const VC1Context *v = avctx->priv_data;
187  AVDXVAContext *ctx = DXVA_CONTEXT(avctx);
188  const MpegEncContext *s = &v->s;
189  struct dxva2_picture_context *ctx_pic = s->current_picture_ptr->hwaccel_picture_private;
190 
191  static const uint8_t start_code[] = { 0, 0, 1, 0x0d };
192  const unsigned start_code_size = avctx->codec_id == AV_CODEC_ID_VC1 ? sizeof(start_code) : 0;
193  const unsigned mb_count = s->mb_width * (s->mb_height >> v->field_mode);
194  DXVA_SliceInfo *slice = NULL;
195  void *dxva_data_ptr;
196  uint8_t *dxva_data, *current, *end;
197  unsigned dxva_size;
198  unsigned padding;
199  unsigned i;
200  unsigned type;
201 
202 #if CONFIG_D3D11VA
203  if (ff_dxva2_is_d3d11(avctx)) {
204  type = D3D11_VIDEO_DECODER_BUFFER_BITSTREAM;
205  if (FAILED(ID3D11VideoContext_GetDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context,
206  D3D11VA_CONTEXT(ctx)->decoder,
207  type,
208  &dxva_size, &dxva_data_ptr)))
209  return -1;
210  }
211 #endif
212 #if CONFIG_DXVA2
213  if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
214  type = DXVA2_BitStreamDateBufferType;
215  if (FAILED(IDirectXVideoDecoder_GetBuffer(DXVA2_CONTEXT(ctx)->decoder,
216  type,
217  &dxva_data_ptr, &dxva_size)))
218  return -1;
219  }
220 #endif
221 
222  dxva_data = dxva_data_ptr;
223  current = dxva_data;
224  end = dxva_data + dxva_size;
225 
226  for (i = 0; i < ctx_pic->slice_count; i++) {
227  unsigned position, size;
228  slice = &ctx_pic->slice[i];
229  position = slice->dwSliceDataLocation;
230  size = slice->dwSliceBitsInBuffer / 8;
231  if (start_code_size + size > end - current) {
232  av_log(avctx, AV_LOG_ERROR, "Failed to build bitstream");
233  break;
234  }
235  slice->dwSliceDataLocation = current - dxva_data;
236 
237  if (i < ctx_pic->slice_count - 1)
238  slice->wNumberMBsInSlice =
239  slice[1].wNumberMBsInSlice - slice[0].wNumberMBsInSlice;
240  else
241  slice->wNumberMBsInSlice =
242  mb_count - slice[0].wNumberMBsInSlice;
243 
244  /* write the appropriate frame, field or slice start code */
245  if (start_code_size) {
246  memcpy(current, start_code, start_code_size);
247  if (i == 0 && v->second_field)
248  current[3] = 0x0c;
249  else if (i > 0)
250  current[3] = 0x0b;
251 
252  current += start_code_size;
253  slice->dwSliceBitsInBuffer += start_code_size * 8;
254  }
255 
256  memcpy(current, &ctx_pic->bitstream[position], size);
257  current += size;
258  }
259  padding = FFMIN(128 - ((current - dxva_data) & 127), end - current);
260  if (slice && padding > 0) {
261  memset(current, 0, padding);
262  current += padding;
263  slice->dwSliceBitsInBuffer += padding * 8;
264  }
265 
266 #if CONFIG_D3D11VA
267  if (ff_dxva2_is_d3d11(avctx))
268  if (FAILED(ID3D11VideoContext_ReleaseDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder, type)))
269  return -1;
270 #endif
271 #if CONFIG_DXVA2
272  if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
273  if (FAILED(IDirectXVideoDecoder_ReleaseBuffer(DXVA2_CONTEXT(ctx)->decoder, type)))
274  return -1;
275 #endif
276  if (i < ctx_pic->slice_count)
277  return -1;
278 
279 #if CONFIG_D3D11VA
280  if (ff_dxva2_is_d3d11(avctx)) {
281  D3D11_VIDEO_DECODER_BUFFER_DESC *dsc11 = bs;
282  memset(dsc11, 0, sizeof(*dsc11));
283  dsc11->BufferType = type;
284  dsc11->DataSize = current - dxva_data;
285  dsc11->NumMBsInBuffer = mb_count;
286 
287  type = D3D11_VIDEO_DECODER_BUFFER_SLICE_CONTROL;
288  }
289 #endif
290 #if CONFIG_DXVA2
291  if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
292  DXVA2_DecodeBufferDesc *dsc2 = bs;
293  memset(dsc2, 0, sizeof(*dsc2));
294  dsc2->CompressedBufferType = type;
295  dsc2->DataSize = current - dxva_data;
296  dsc2->NumMBsInBuffer = mb_count;
297 
298  type = DXVA2_SliceControlBufferType;
299  }
300 #endif
301 
302  return ff_dxva2_commit_buffer(avctx, ctx, sc,
303  type,
304  ctx_pic->slice,
305  ctx_pic->slice_count * sizeof(*ctx_pic->slice),
306  mb_count);
307 }
308 
309 static int dxva2_vc1_start_frame(AVCodecContext *avctx,
310  av_unused const uint8_t *buffer,
311  av_unused uint32_t size)
312 {
313  const VC1Context *v = avctx->priv_data;
314  AVDXVAContext *ctx = DXVA_CONTEXT(avctx);
315  struct dxva2_picture_context *ctx_pic = v->s.current_picture_ptr->hwaccel_picture_private;
316 
317  if (!DXVA_CONTEXT_VALID(avctx, ctx))
318  return -1;
319  assert(ctx_pic);
320 
321  fill_picture_parameters(avctx, ctx, v, &ctx_pic->pp);
322 
323  ctx_pic->slice_count = 0;
324  ctx_pic->bitstream_size = 0;
325  ctx_pic->bitstream = NULL;
326  return 0;
327 }
328 
329 static int dxva2_vc1_decode_slice(AVCodecContext *avctx,
330  const uint8_t *buffer,
331  uint32_t size)
332 {
333  const VC1Context *v = avctx->priv_data;
334  const Picture *current_picture = v->s.current_picture_ptr;
335  struct dxva2_picture_context *ctx_pic = current_picture->hwaccel_picture_private;
336  unsigned position;
337 
338  if (ctx_pic->slice_count >= MAX_SLICES) {
339  avpriv_request_sample(avctx, "%d slices in dxva2",
340  ctx_pic->slice_count);
341  return -1;
342  }
343 
344  if (avctx->codec_id == AV_CODEC_ID_VC1 &&
345  size >= 4 && IS_MARKER(AV_RB32(buffer))) {
346  buffer += 4;
347  size -= 4;
348  }
349 
350  if (!ctx_pic->bitstream)
351  ctx_pic->bitstream = buffer;
352  ctx_pic->bitstream_size += size;
353 
354  position = buffer - ctx_pic->bitstream;
355  fill_slice(avctx, &ctx_pic->slice[ctx_pic->slice_count++], position, size);
356  return 0;
357 }
358 
359 static int dxva2_vc1_end_frame(AVCodecContext *avctx)
360 {
361  VC1Context *v = avctx->priv_data;
362  struct dxva2_picture_context *ctx_pic = v->s.current_picture_ptr->hwaccel_picture_private;
363  int ret;
364 
365  if (ctx_pic->slice_count <= 0 || ctx_pic->bitstream_size <= 0)
366  return -1;
367 
368  ret = ff_dxva2_common_end_frame(avctx, v->s.current_picture_ptr->f,
369  &ctx_pic->pp, sizeof(ctx_pic->pp),
370  NULL, 0,
371  commit_bitstream_and_slice_buffer);
372  if (!ret)
373  ff_mpeg_draw_horiz_band(&v->s, 0, avctx->height);
374  return ret;
375 }
376 
377 #if CONFIG_WMV3_DXVA2_HWACCEL
378 const AVHWAccel ff_wmv3_dxva2_hwaccel = {
379  .name = "wmv3_dxva2",
380  .type = AVMEDIA_TYPE_VIDEO,
381  .id = AV_CODEC_ID_WMV3,
382  .pix_fmt = AV_PIX_FMT_DXVA2_VLD,
383  .init = ff_dxva2_decode_init,
384  .uninit = ff_dxva2_decode_uninit,
385  .start_frame = dxva2_vc1_start_frame,
386  .decode_slice = dxva2_vc1_decode_slice,
387  .end_frame = dxva2_vc1_end_frame,
388  .frame_params = ff_dxva2_common_frame_params,
389  .frame_priv_data_size = sizeof(struct dxva2_picture_context),
390  .priv_data_size = sizeof(FFDXVASharedContext),
391 };
392 #endif
393 
394 #if CONFIG_VC1_DXVA2_HWACCEL
395 const AVHWAccel ff_vc1_dxva2_hwaccel = {
396  .name = "vc1_dxva2",
397  .type = AVMEDIA_TYPE_VIDEO,
398  .id = AV_CODEC_ID_VC1,
399  .pix_fmt = AV_PIX_FMT_DXVA2_VLD,
400  .init = ff_dxva2_decode_init,
401  .uninit = ff_dxva2_decode_uninit,
402  .start_frame = dxva2_vc1_start_frame,
403  .decode_slice = dxva2_vc1_decode_slice,
404  .end_frame = dxva2_vc1_end_frame,
405  .frame_params = ff_dxva2_common_frame_params,
406  .frame_priv_data_size = sizeof(struct dxva2_picture_context),
407  .priv_data_size = sizeof(FFDXVASharedContext),
408 };
409 #endif
410 
411 #if CONFIG_WMV3_D3D11VA_HWACCEL
412 const AVHWAccel ff_wmv3_d3d11va_hwaccel = {
413  .name = "wmv3_d3d11va",
414  .type = AVMEDIA_TYPE_VIDEO,
415  .id = AV_CODEC_ID_WMV3,
416  .pix_fmt = AV_PIX_FMT_D3D11VA_VLD,
417  .init = ff_dxva2_decode_init,
418  .uninit = ff_dxva2_decode_uninit,
419  .start_frame = dxva2_vc1_start_frame,
420  .decode_slice = dxva2_vc1_decode_slice,
421  .end_frame = dxva2_vc1_end_frame,
422  .frame_params = ff_dxva2_common_frame_params,
423  .frame_priv_data_size = sizeof(struct dxva2_picture_context),
424  .priv_data_size = sizeof(FFDXVASharedContext),
425 };
426 #endif
427 
428 #if CONFIG_WMV3_D3D11VA2_HWACCEL
429 const AVHWAccel ff_wmv3_d3d11va2_hwaccel = {
430  .name = "wmv3_d3d11va2",
431  .type = AVMEDIA_TYPE_VIDEO,
432  .id = AV_CODEC_ID_WMV3,
433  .pix_fmt = AV_PIX_FMT_D3D11,
434  .init = ff_dxva2_decode_init,
435  .uninit = ff_dxva2_decode_uninit,
436  .start_frame = dxva2_vc1_start_frame,
437  .decode_slice = dxva2_vc1_decode_slice,
438  .end_frame = dxva2_vc1_end_frame,
439  .frame_params = ff_dxva2_common_frame_params,
440  .frame_priv_data_size = sizeof(struct dxva2_picture_context),
441  .priv_data_size = sizeof(FFDXVASharedContext),
442 };
443 #endif
444 
445 #if CONFIG_VC1_D3D11VA_HWACCEL
446 const AVHWAccel ff_vc1_d3d11va_hwaccel = {
447  .name = "vc1_d3d11va",
448  .type = AVMEDIA_TYPE_VIDEO,
449  .id = AV_CODEC_ID_VC1,
450  .pix_fmt = AV_PIX_FMT_D3D11VA_VLD,
451  .init = ff_dxva2_decode_init,
452  .uninit = ff_dxva2_decode_uninit,
453  .start_frame = dxva2_vc1_start_frame,
454  .decode_slice = dxva2_vc1_decode_slice,
455  .end_frame = dxva2_vc1_end_frame,
456  .frame_params = ff_dxva2_common_frame_params,
457  .frame_priv_data_size = sizeof(struct dxva2_picture_context),
458  .priv_data_size = sizeof(FFDXVASharedContext),
459 };
460 #endif
461 
462 #if CONFIG_VC1_D3D11VA2_HWACCEL
463 const AVHWAccel ff_vc1_d3d11va2_hwaccel = {
464  .name = "vc1_d3d11va2",
465  .type = AVMEDIA_TYPE_VIDEO,
466  .id = AV_CODEC_ID_VC1,
467  .pix_fmt = AV_PIX_FMT_D3D11,
468  .init = ff_dxva2_decode_init,
469  .uninit = ff_dxva2_decode_uninit,
470  .start_frame = dxva2_vc1_start_frame,
471  .decode_slice = dxva2_vc1_decode_slice,
472  .end_frame = dxva2_vc1_end_frame,
473  .frame_params = ff_dxva2_common_frame_params,
474  .frame_priv_data_size = sizeof(struct dxva2_picture_context),
475  .priv_data_size = sizeof(FFDXVASharedContext),
476 };
477 #endif
PICT_FRAME
#define PICT_FRAME
Definition: mpegutils.h:39
VC1Context::lumscale2
uint8_t lumscale2
for interlaced field P picture
Definition: vc1.h:337
VC1Context
The VC1 Context.
Definition: vc1.h:173
PROGRESSIVE
@ PROGRESSIVE
in the bitstream is reported as 00b
Definition: vc1.h:149
VC1Context::intcomp
int intcomp
Definition: vc1.h:336
VC1Context::overlap
int overlap
overlapped transforms in use
Definition: vc1.h:224
VC1Context::interlace
int interlace
Progressive/interlaced (RPTFTM syntax element)
Definition: vc1.h:199
vc1.h
ILACE_FRAME
@ ILACE_FRAME
in the bitstream is reported as 10b
Definition: vc1.h:150
dxva2_vc1_start_frame
static int dxva2_vc1_start_frame(AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused uint32_t size)
Definition: dxva2_vc1.c:309
get_bits_count
static int get_bits_count(const GetBitContext *s)
Definition: get_bits.h:219
av_unused
#define av_unused
Definition: attributes.h:131
ff_wmv3_dxva2_hwaccel
const AVHWAccel ff_wmv3_dxva2_hwaccel
MV_PMODE_1MV_HPEL_BILIN
@ MV_PMODE_1MV_HPEL_BILIN
Definition: vc1.h:79
start_code
static const uint8_t start_code[]
Definition: videotoolboxenc.c:190
ff_dxva2_common_end_frame
int ff_dxva2_common_end_frame(AVCodecContext *avctx, AVFrame *frame, const void *pp, unsigned pp_size, const void *qm, unsigned qm_size, int(*commit_bs_si)(AVCodecContext *, DECODER_BUFFER_DESC *bs, DECODER_BUFFER_DESC *slice))
Definition: dxva2.c:886
VC1Context::fastuvmc
int fastuvmc
Rounding of qpel vector to hpel ? (not in Simple)
Definition: vc1.h:220
MV_PMODE_INTENSITY_COMP
@ MV_PMODE_INTENSITY_COMP
Definition: vc1.h:83
AV_PIX_FMT_D3D11VA_VLD
@ AV_PIX_FMT_D3D11VA_VLD
HW decoding through Direct3D11 via old API, Picture.data[3] contains a ID3D11VideoDecoderOutputView p...
Definition: pixfmt.h:229
dxva2_picture_context::pp
DXVA_PicParams_H264 pp
Definition: dxva2_h264.c:32
PICT_BOTTOM_FIELD
#define PICT_BOTTOM_FIELD
Definition: mpegutils.h:38
Picture
Picture.
Definition: mpegpicture.h:45
ff_wmv3_d3d11va_hwaccel
const AVHWAccel ff_wmv3_d3d11va_hwaccel
mpegutils.h
AVHWAccel
Definition: avcodec.h:2438
decoder
static const chunk_decoder decoder[8]
Definition: dfa.c:330
ILACE_FIELD
@ ILACE_FIELD
in the bitstream is reported as 11b
Definition: vc1.h:151
VC1Context::multires
int multires
frame-level RESPIC syntax element present
Definition: vc1.h:184
ff_mpeg_draw_horiz_band
void ff_mpeg_draw_horiz_band(MpegEncContext *s, int y, int h)
Definition: mpegvideo.c:2260
type
it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this just let it vf type
Definition: writing_filters.txt:86
dxva2_vc1_end_frame
static int dxva2_vc1_end_frame(AVCodecContext *avctx)
Definition: dxva2_vc1.c:359
VC1Context::dquant
int dquant
How qscale varies with MBs, 2 bits (not in Simple)
Definition: vc1.h:222
VC1Context::refdist
int refdist
distance of the current picture from reference
Definition: vc1.h:354
AV_LOG_ERROR
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:194
DXVA2_CONTEXT
#define DXVA2_CONTEXT(ctx)
Definition: dxva2_internal.h:102
AV_PIX_FMT_DXVA2_VLD
@ AV_PIX_FMT_DXVA2_VLD
HW decoding through DXVA2, Picture.data[3] contains a LPDIRECT3DSURFACE9 pointer.
Definition: pixfmt.h:137
s
#define s(width, name)
Definition: cbs_vp9.c:257
VC1Context::range_mapuv_flag
uint8_t range_mapuv_flag
Definition: vc1.h:328
VC1Context::postprocflag
int postprocflag
Per-frame processing suggestion flag present.
Definition: vc1.h:197
DXVA_CONTEXT
#define DXVA_CONTEXT(avctx)
Definition: dxva2_internal.h:99
PROFILE_ADVANCED
@ PROFILE_ADVANCED
Definition: vc1_common.h:52
VC1Context::rangered
int rangered
RANGEREDFRM (range reduction) syntax element present at frame level.
Definition: vc1.h:187
ctx
AVFormatContext * ctx
Definition: movenc.c:48
PICT_TOP_FIELD
#define PICT_TOP_FIELD
Definition: mpegutils.h:37
VC1Context::rnd
int rnd
rounding control
Definition: vc1.h:296
Picture::hwaccel_picture_private
void * hwaccel_picture_private
Hardware accelerator private data.
Definition: mpegpicture.h:78
AVCodecContext::codec_id
enum AVCodecID codec_id
Definition: avcodec.h:546
dxva2_internal.h
VC1Context::mv_mode
uint8_t mv_mode
Frame decoding info for all profiles.
Definition: vc1.h:231
if
if(ret)
Definition: filter_design.txt:179
VC1Context::pq
uint8_t pq
Definition: vc1.h:236
AV_CODEC_ID_WMV3
@ AV_CODEC_ID_WMV3
Definition: codec_id.h:120
ff_vc1_dxva2_hwaccel
const AVHWAccel ff_vc1_dxva2_hwaccel
NULL
#define NULL
Definition: coverity.c:32
VC1Context::range_mapy_flag
uint8_t range_mapy_flag
Definition: vc1.h:327
ff_dxva2_decode_init
int ff_dxva2_decode_init(AVCodecContext *avctx)
Definition: dxva2.c:655
VC1Context::lumscale
uint8_t lumscale
Luma compensation parameters.
Definition: vc1.h:267
VC1Context::field_mode
int field_mode
1 for interlaced field pictures
Definition: vc1.h:351
VC1Context::panscanflag
int panscanflag
NUMPANSCANWIN, TOPLEFT{X,Y}, BOTRIGHT{X,Y} present.
Definition: vc1.h:201
VC1Context::range_mapuv
uint8_t range_mapuv
Definition: vc1.h:330
AV_PICTURE_TYPE_I
@ AV_PICTURE_TYPE_I
Intra.
Definition: avutil.h:274
IS_MARKER
#define IS_MARKER(state)
Definition: dca_parser.c:51
ff_wmv3_d3d11va2_hwaccel
const AVHWAccel ff_wmv3_d3d11va2_hwaccel
VC1Context::resync_marker
int resync_marker
could this stream contain resync markers
Definition: vc1.h:400
FFDXVASharedContext
Definition: dxva2_internal.h:67
dxva2_picture_context
Definition: dxva2_h264.c:31
VC1Context::refdist_flag
int refdist_flag
REFDIST syntax element present in II, IP, PI or PP field picture headers.
Definition: vc1.h:202
VC1Context::mv_mode2
uint8_t mv_mode2
Secondary MV coding mode (B-frames)
Definition: vc1.h:232
dxva2_picture_context::slice_count
unsigned slice_count
Definition: dxva2_h264.c:34
MV_PMODE_MIXED_MV
@ MV_PMODE_MIXED_MV
Definition: vc1.h:82
size
int size
Definition: twinvq_data.h:10344
AV_RB32
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_WB64 unsigned int_TMPL AV_RB32
Definition: bytestream.h:96
VC1Context::rangeredfrm
uint8_t rangeredfrm
Frame decoding info for S/M profiles only.
Definition: vc1.h:301
AVDXVAContext
Definition: dxva2_internal.h:58
VC1Context::chromaformat
int chromaformat
2 bits, 2=4:2:0, only defined
Definition: vc1.h:196
DECODER_BUFFER_DESC
void DECODER_BUFFER_DESC
Definition: dxva2_internal.h:56
FFMIN
#define FFMIN(a, b)
Definition: common.h:105
vc1data.h
AV_PIX_FMT_D3D11
@ AV_PIX_FMT_D3D11
Hardware surfaces for Direct3D11.
Definition: pixfmt.h:313
VC1Context::tfcntrflag
int tfcntrflag
TFCNTR present.
Definition: vc1.h:200
AVHWAccel::name
const char * name
Name of the hardware accelerated codec.
Definition: avcodec.h:2444
MpegEncContext::current_picture_ptr
Picture * current_picture_ptr
pointer to the current picture
Definition: mpegvideo.h:184
D3D11VA_CONTEXT
#define D3D11VA_CONTEXT(ctx)
Definition: dxva2_internal.h:101
i
int i
Definition: input.c:407
VC1Context::s
MpegEncContext s
Definition: vc1.h:174
VC1Context::extended_mv
int extended_mv
Ext MV in P/B (not in Simple)
Definition: vc1.h:221
uint8_t
uint8_t
Definition: audio_convert.c:194
ff_dxva2_commit_buffer
int ff_dxva2_commit_buffer(AVCodecContext *avctx, AVDXVAContext *ctx, DECODER_BUFFER_DESC *dsc, unsigned type, const void *data, unsigned size, unsigned mb_count)
Definition: dxva2.c:797
AV_CODEC_ID_VC1
@ AV_CODEC_ID_VC1
Definition: codec_id.h:119
fill_picture_parameters
static void fill_picture_parameters(AVCodecContext *avctx, AVDXVAContext *ctx, const VC1Context *v, DXVA_PictureParameters *pp)
Definition: dxva2_vc1.c:39
AVCodecContext::height
int height
Definition: avcodec.h:709
AVCodecContext::pix_fmt
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:746
ff_dxva2_get_surface_index
unsigned ff_dxva2_get_surface_index(const AVCodecContext *avctx, const AVDXVAContext *ctx, const AVFrame *frame)
Definition: dxva2.c:770
ff_dxva2_common_frame_params
int ff_dxva2_common_frame_params(AVCodecContext *avctx, AVBufferRef *hw_frames_ctx)
Definition: dxva2.c:592
VC1Context::second_field
int second_field
Definition: vc1.h:353
ret
ret
Definition: filter_design.txt:187
dxva2_picture_context::slice
DXVA_SliceInfo slice[MAX_SLICES]
Definition: dxva2_mpeg2.c:34
dxva2_picture_context::bitstream
const uint8_t * bitstream
Definition: dxva2_h264.c:37
AVCodecContext
main external API structure.
Definition: avcodec.h:536
VC1Context::p_frame_skipped
int p_frame_skipped
Definition: vc1.h:384
VC1Context::bfraction_lut_index
uint8_t bfraction_lut_index
Index for BFRACTION value (see Table 40, reproduced into ff_vc1_bfraction_lut[])
Definition: vc1.h:393
AV_PICTURE_TYPE_B
@ AV_PICTURE_TYPE_B
Bi-dir predicted.
Definition: avutil.h:276
buffer
the frame and frame reference mechanism is intended to as much as expensive copies of that data while still allowing the filters to produce correct results The data is stored in buffers represented by AVFrame structures Several references can point to the same frame buffer
Definition: filter_design.txt:49
ff_dxva2_is_d3d11
int ff_dxva2_is_d3d11(const AVCodecContext *avctx)
Definition: dxva2.c:1051
Picture::f
struct AVFrame * f
Definition: mpegpicture.h:46
VC1Context::profile
int profile
Sequence header data for all Profiles TODO: choose between ints, uint8_ts and monobit flags.
Definition: vc1.h:216
VC1Context::vstransform
int vstransform
variable-size [48]x[48] transform type + info
Definition: vc1.h:223
VC1Context::lumshift2
uint8_t lumshift2
Definition: vc1.h:338
VC1Context::bi_type
int bi_type
Definition: vc1.h:385
VC1Context::fcm
enum FrameCodingMode fcm
Frame decoding info for Advanced profile.
Definition: vc1.h:307
AV_PICTURE_TYPE_P
@ AV_PICTURE_TYPE_P
Predicted.
Definition: avutil.h:275
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
ff_dxva2_decode_uninit
int ff_dxva2_decode_uninit(AVCodecContext *avctx)
Definition: dxva2.c:730
VC1Context::psf
int psf
Progressive Segmented Frame.
Definition: vc1.h:209
avpriv_request_sample
#define avpriv_request_sample(...)
Definition: tableprint_vlc.h:39
VC1Context::lumshift
uint8_t lumshift
Definition: vc1.h:268
commit_bitstream_and_slice_buffer
static int commit_bitstream_and_slice_buffer(AVCodecContext *avctx, DECODER_BUFFER_DESC *bs, DECODER_BUFFER_DESC *sc)
Definition: dxva2_vc1.c:182
VC1Context::broadcast
int broadcast
TFF/RFF present.
Definition: vc1.h:198
AVCodecContext::priv_data
void * priv_data
Definition: avcodec.h:563
dxva2_vc1_decode_slice
static int dxva2_vc1_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
Definition: dxva2_vc1.c:329
ff_vc1_d3d11va_hwaccel
const AVHWAccel ff_vc1_d3d11va_hwaccel
AVCodecContext::width
int width
picture width / height.
Definition: avcodec.h:709
VC1Context::finterpflag
int finterpflag
INTERPFRM present.
Definition: vc1.h:226
av_log
#define av_log(a,...)
Definition: tableprint_vlc.h:28
VC1Context::quantizer_mode
int quantizer_mode
2 bits, quantizer mode used for sequence, see QUANT_*
Definition: vc1.h:225
MAX_SLICES
#define MAX_SLICES
Definition: dxva2_vc1.c:28
VC1Context::range_mapy
uint8_t range_mapy
Definition: vc1.h:329
MpegEncContext
MpegEncContext.
Definition: mpegvideo.h:81
VC1Context::extended_dmv
int extended_dmv
Additional extended dmv range at P/B-frame-level.
Definition: vc1.h:203
fill_slice
static void fill_slice(AVCodecContext *avctx, DXVA_SliceInfo *slice, unsigned position, unsigned size)
Definition: dxva2_vc1.c:162
ff_vc1_d3d11va2_hwaccel
const AVHWAccel ff_vc1_d3d11va2_hwaccel
dxva2_picture_context::bitstream_size
unsigned bitstream_size
Definition: dxva2_h264.c:38
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