FFmpeg
dxva2_vc1.c
Go to the documentation of this file.
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 "config_components.h"
24 
25 #include "dxva2_internal.h"
26 #include "hwaccel_internal.h"
27 #include "mpegutils.h"
28 #include "mpegvideodec.h"
29 #include "vc1.h"
30 #include "vc1data.h"
31 
32 #define MAX_SLICES 1024
33 
34 struct dxva2_picture_context {
35  DXVA_PictureParameters pp;
36  unsigned slice_count;
37  DXVA_SliceInfo slice[MAX_SLICES];
38 
39  const uint8_t *bitstream;
40  unsigned bitstream_size;
41 };
42 
43 void ff_dxva2_vc1_fill_picture_parameters(AVCodecContext *avctx,
44  AVDXVAContext *ctx,
45  DXVA_PictureParameters *pp)
46 {
47  const VC1Context *v = avctx->priv_data;
48  const MpegEncContext *s = &v->s;
49  const MPVPicture *current_picture = s->cur_pic.ptr;
50  int intcomp = 0;
51 
52  // determine if intensity compensation is needed
53  if (s->pict_type == AV_PICTURE_TYPE_P) {
54  if ((v->fcm == ILACE_FRAME && v->intcomp) || (v->fcm != ILACE_FRAME && v->mv_mode == MV_PMODE_INTENSITY_COMP)) {
55  if (v->lumscale != 32 || v->lumshift != 0 || (s->picture_structure != PICT_FRAME && (v->lumscale2 != 32 || v->lumshift2 != 0)))
56  intcomp = 1;
57  }
58  }
59 
60  memset(pp, 0, sizeof(*pp));
61  if (s->pict_type != AV_PICTURE_TYPE_I && !v->bi_type && s->last_pic.ptr)
62  pp->wForwardRefPictureIndex = ff_dxva2_get_surface_index(avctx, ctx, s->last_pic.ptr->f, 0);
63  else
64  pp->wForwardRefPictureIndex = 0xffff;
65  if (s->pict_type == AV_PICTURE_TYPE_B && !v->bi_type && s->next_pic.ptr)
66  pp->wBackwardRefPictureIndex = ff_dxva2_get_surface_index(avctx, ctx, s->next_pic.ptr->f, 0);
67  else
68  pp->wBackwardRefPictureIndex = 0xffff;
69  pp->wDecodedPictureIndex =
70  pp->wDeblockedPictureIndex = ff_dxva2_get_surface_index(avctx, ctx, current_picture->f, 1);
71  if (v->profile == PROFILE_ADVANCED) {
72  /* It is the cropped width/height -1 of the frame */
73  pp->wPicWidthInMBminus1 = avctx->width - 1;
74  pp->wPicHeightInMBminus1= avctx->height - 1;
75  } else {
76  /* It is the coded width/height in macroblock -1 of the frame */
77  pp->wPicWidthInMBminus1 = s->mb_width - 1;
78  pp->wPicHeightInMBminus1= s->mb_height - 1;
79  }
80  pp->bMacroblockWidthMinus1 = 15;
81  pp->bMacroblockHeightMinus1 = 15;
82  pp->bBlockWidthMinus1 = 7;
83  pp->bBlockHeightMinus1 = 7;
84  pp->bBPPminus1 = 7;
85  if (s->picture_structure & PICT_TOP_FIELD)
86  pp->bPicStructure |= 0x01;
87  if (s->picture_structure & PICT_BOTTOM_FIELD)
88  pp->bPicStructure |= 0x02;
89  pp->bSecondField = v->interlace && v->fcm == ILACE_FIELD && v->second_field;
90  pp->bPicIntra = s->pict_type == AV_PICTURE_TYPE_I || v->bi_type;
91  pp->bPicBackwardPrediction = s->pict_type == AV_PICTURE_TYPE_B && !v->bi_type;
92  pp->bBidirectionalAveragingMode = (1 << 7) |
93  ((DXVA_CONTEXT_CFG_INTRARESID(avctx, ctx) != 0) << 6) |
94  ((DXVA_CONTEXT_CFG_RESIDACCEL(avctx, ctx) != 0) << 5) |
95  (intcomp << 4) |
96  ((v->profile == PROFILE_ADVANCED) << 3);
97  pp->bMVprecisionAndChromaRelation = ((v->mv_mode == MV_PMODE_1MV_HPEL_BILIN) << 3) |
98  (1 << 2) |
99  (0 << 1) |
100  (!s->quarter_sample );
101  pp->bChromaFormat = v->chromaformat;
102  DXVA_CONTEXT_REPORT_ID(avctx, ctx)++;
103  if (DXVA_CONTEXT_REPORT_ID(avctx, ctx) >= (1 << 16))
104  DXVA_CONTEXT_REPORT_ID(avctx, ctx) = 1;
105  pp->bPicScanFixed = DXVA_CONTEXT_REPORT_ID(avctx, ctx) >> 8;
106  pp->bPicScanMethod = DXVA_CONTEXT_REPORT_ID(avctx, ctx) & 0xff;
107  pp->bPicReadbackRequests = 0;
108  pp->bRcontrol = v->rnd;
109  pp->bPicSpatialResid8 = (v->panscanflag << 7) |
110  (v->refdist_flag << 6) |
111  (s->loop_filter << 5) |
112  (v->fastuvmc << 4) |
113  (v->extended_mv << 3) |
114  (v->dquant << 1) |
115  (v->vstransform );
116  pp->bPicOverflowBlocks = (v->quantizer_mode << 6) |
117  (v->multires << 5) |
118  (v->resync_marker << 4) |
119  (v->rangered << 3) |
120  (s->max_b_frames );
121  pp->bPicExtrapolation = (!v->interlace || v->fcm == PROGRESSIVE) ? 1 : 2;
122  pp->bPicDeblocked = ((!pp->bPicBackwardPrediction && v->overlap) << 6) |
123  ((v->profile != PROFILE_ADVANCED && v->rangeredfrm) << 5) |
124  (s->loop_filter << 1);
125  pp->bPicDeblockConfined = (v->postprocflag << 7) |
126  (v->broadcast << 6) |
127  (v->interlace << 5) |
128  (v->tfcntrflag << 4) |
129  (v->finterpflag << 3) |
130  ((s->pict_type != AV_PICTURE_TYPE_B) << 2) |
131  (v->psf << 1) |
132  (v->extended_dmv );
133  if (s->pict_type != AV_PICTURE_TYPE_I)
134  pp->bPic4MVallowed = v->mv_mode == MV_PMODE_MIXED_MV ||
135  (v->mv_mode == MV_PMODE_INTENSITY_COMP &&
136  v->mv_mode2 == MV_PMODE_MIXED_MV);
137  if (v->profile == PROFILE_ADVANCED)
138  pp->bPicOBMC = (v->range_mapy_flag << 7) |
139  (v->range_mapy << 4) |
140  (v->range_mapuv_flag << 3) |
141  (v->range_mapuv );
142  pp->bPicBinPB = 0;
143  pp->bMV_RPS = (v->fcm == ILACE_FIELD && pp->bPicBackwardPrediction) ? v->refdist + 9 : 0;
144  pp->bReservedBits = v->pq;
145  if (s->picture_structure == PICT_FRAME) {
146  if (intcomp) {
147  pp->wBitstreamFcodes = v->lumscale;
148  pp->wBitstreamPCEelements = v->lumshift;
149  } else {
150  pp->wBitstreamFcodes = 32;
151  pp->wBitstreamPCEelements = 0;
152  }
153  } else {
154  /* Syntax: (top_field_param << 8) | bottom_field_param */
155  if (intcomp) {
156  pp->wBitstreamFcodes = (v->lumscale << 8) | v->lumscale2;
157  pp->wBitstreamPCEelements = (v->lumshift << 8) | v->lumshift2;
158  } else {
159  pp->wBitstreamFcodes = (32 << 8) | 32;
160  pp->wBitstreamPCEelements = 0;
161  }
162  }
163  pp->bBitstreamConcealmentNeed = 0;
164  pp->bBitstreamConcealmentMethod = 0;
165 }
166 
167 void ff_dxva2_vc1_fill_slice(AVCodecContext *avctx, DXVA_SliceInfo *slice,
168  unsigned position, unsigned size)
169 {
170  const VC1Context *v = avctx->priv_data;
171  const MpegEncContext *s = &v->s;
172 
173  memset(slice, 0, sizeof(*slice));
174  slice->wHorizontalPosition = 0;
175  slice->wVerticalPosition = s->mb_y;
176  slice->dwSliceBitsInBuffer = 8 * size;
177  slice->dwSliceDataLocation = position;
178  slice->bStartCodeBitOffset = 0;
179  slice->bReservedBits = (s->pict_type == AV_PICTURE_TYPE_B && !v->bi_type) ? v->bfraction_lut_index + 9 : 0;
180  slice->wMBbitOffset = v->p_frame_skipped ? 0xffff : get_bits_count(&s->gb) + (avctx->codec_id == AV_CODEC_ID_VC1 ? 32 : 0);
181  /* XXX We store the index of the first MB and it will be fixed later */
182  slice->wNumberMBsInSlice = (s->mb_y >> v->field_mode) * s->mb_width + s->mb_x;
183  slice->wQuantizerScaleCode = v->pq;
184  slice->wBadSliceChopping = 0;
185 }
186 
187 static int commit_bitstream_and_slice_buffer(AVCodecContext *avctx,
188  DECODER_BUFFER_DESC *bs,
189  DECODER_BUFFER_DESC *sc)
190 {
191  const VC1Context *v = avctx->priv_data;
192  AVDXVAContext *ctx = DXVA_CONTEXT(avctx);
193  const MpegEncContext *s = &v->s;
194  struct dxva2_picture_context *ctx_pic = s->cur_pic.ptr->hwaccel_picture_private;
195 
196  static const uint8_t start_code[] = { 0, 0, 1, 0x0d };
197  const unsigned start_code_size = avctx->codec_id == AV_CODEC_ID_VC1 ? sizeof(start_code) : 0;
198  const unsigned mb_count = s->mb_width * (s->mb_height >> v->field_mode);
199  DXVA_SliceInfo *slice = NULL;
200  void *dxva_data_ptr = NULL;
201  uint8_t *dxva_data, *current, *end;
202  unsigned dxva_size;
203  unsigned padding;
204  unsigned i;
205  unsigned type;
206 
207 #if CONFIG_D3D11VA
208  if (ff_dxva2_is_d3d11(avctx)) {
209  type = D3D11_VIDEO_DECODER_BUFFER_BITSTREAM;
210  if (FAILED(ID3D11VideoContext_GetDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context,
211  D3D11VA_CONTEXT(ctx)->decoder,
212  type,
213  &dxva_size, &dxva_data_ptr)))
214  return -1;
215  }
216 #endif
217 #if CONFIG_DXVA2
218  if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
219  type = DXVA2_BitStreamDateBufferType;
220  if (FAILED(IDirectXVideoDecoder_GetBuffer(DXVA2_CONTEXT(ctx)->decoder,
221  type,
222  &dxva_data_ptr, &dxva_size)))
223  return -1;
224  }
225 #endif
226 
227  if (!dxva_data_ptr)
228  return -1;
229 
230  dxva_data = dxva_data_ptr;
231  current = dxva_data;
232  end = dxva_data + dxva_size;
233 
234  for (i = 0; i < ctx_pic->slice_count; i++) {
235  unsigned position, size;
236  slice = &ctx_pic->slice[i];
237  position = slice->dwSliceDataLocation;
238  size = slice->dwSliceBitsInBuffer / 8;
239  if (start_code_size + size > end - current) {
240  av_log(avctx, AV_LOG_ERROR, "Failed to build bitstream");
241  break;
242  }
243  slice->dwSliceDataLocation = current - dxva_data;
244 
245  if (i < ctx_pic->slice_count - 1)
246  slice->wNumberMBsInSlice =
247  slice[1].wNumberMBsInSlice - slice[0].wNumberMBsInSlice;
248  else
249  slice->wNumberMBsInSlice =
250  mb_count - slice[0].wNumberMBsInSlice;
251 
252  /* write the appropriate frame, field or slice start code */
253  if (start_code_size) {
254  memcpy(current, start_code, start_code_size);
255  if (i == 0 && v->second_field)
256  current[3] = 0x0c;
257  else if (i > 0)
258  current[3] = 0x0b;
259 
260  current += start_code_size;
261  slice->dwSliceBitsInBuffer += start_code_size * 8;
262  }
263 
264  memcpy(current, &ctx_pic->bitstream[position], size);
265  current += size;
266  }
267  padding = FFMIN(128 - ((current - dxva_data) & 127), end - current);
268  if (slice && padding > 0) {
269  memset(current, 0, padding);
270  current += padding;
271  slice->dwSliceBitsInBuffer += padding * 8;
272  }
273 
274 #if CONFIG_D3D11VA
275  if (ff_dxva2_is_d3d11(avctx))
276  if (FAILED(ID3D11VideoContext_ReleaseDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder, type)))
277  return -1;
278 #endif
279 #if CONFIG_DXVA2
280  if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
281  if (FAILED(IDirectXVideoDecoder_ReleaseBuffer(DXVA2_CONTEXT(ctx)->decoder, type)))
282  return -1;
283 #endif
284  if (i < ctx_pic->slice_count)
285  return -1;
286 
287 #if CONFIG_D3D11VA
288  if (ff_dxva2_is_d3d11(avctx)) {
289  D3D11_VIDEO_DECODER_BUFFER_DESC *dsc11 = bs;
290  memset(dsc11, 0, sizeof(*dsc11));
291  dsc11->BufferType = type;
292  dsc11->DataSize = current - dxva_data;
293  dsc11->NumMBsInBuffer = mb_count;
294 
295  type = D3D11_VIDEO_DECODER_BUFFER_SLICE_CONTROL;
296  }
297 #endif
298 #if CONFIG_DXVA2
299  if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
300  DXVA2_DecodeBufferDesc *dsc2 = bs;
301  memset(dsc2, 0, sizeof(*dsc2));
302  dsc2->CompressedBufferType = type;
303  dsc2->DataSize = current - dxva_data;
304  dsc2->NumMBsInBuffer = mb_count;
305 
306  type = DXVA2_SliceControlBufferType;
307  }
308 #endif
309 
310  return ff_dxva2_commit_buffer(avctx, ctx, sc,
311  type,
312  ctx_pic->slice,
313  ctx_pic->slice_count * sizeof(*ctx_pic->slice),
314  mb_count);
315 }
316 
317 static int dxva2_vc1_start_frame(AVCodecContext *avctx,
318  av_unused const uint8_t *buffer,
319  av_unused uint32_t size)
320 {
321  const VC1Context *v = avctx->priv_data;
322  AVDXVAContext *ctx = DXVA_CONTEXT(avctx);
323  struct dxva2_picture_context *ctx_pic = v->s.cur_pic.ptr->hwaccel_picture_private;
324 
325  if (!DXVA_CONTEXT_VALID(avctx, ctx))
326  return -1;
327  av_assert0(ctx_pic);
328 
329  ff_dxva2_vc1_fill_picture_parameters(avctx, ctx, &ctx_pic->pp);
330 
331  ctx_pic->slice_count = 0;
332  ctx_pic->bitstream_size = 0;
333  ctx_pic->bitstream = NULL;
334  return 0;
335 }
336 
337 static int dxva2_vc1_decode_slice(AVCodecContext *avctx,
338  const uint8_t *buffer,
339  uint32_t size)
340 {
341  const VC1Context *v = avctx->priv_data;
342  const MPVPicture *current_picture = v->s.cur_pic.ptr;
343  struct dxva2_picture_context *ctx_pic = current_picture->hwaccel_picture_private;
344  unsigned position;
345 
346  if (ctx_pic->slice_count >= MAX_SLICES) {
347  avpriv_request_sample(avctx, "%d slices in dxva2",
348  ctx_pic->slice_count);
349  return -1;
350  }
351 
352  if (avctx->codec_id == AV_CODEC_ID_VC1 &&
353  size >= 4 && IS_MARKER(AV_RB32(buffer))) {
354  buffer += 4;
355  size -= 4;
356  }
357 
358  if (!ctx_pic->bitstream)
359  ctx_pic->bitstream = buffer;
360  ctx_pic->bitstream_size += size;
361 
362  position = buffer - ctx_pic->bitstream;
363  ff_dxva2_vc1_fill_slice(avctx, &ctx_pic->slice[ctx_pic->slice_count++], position, size);
364  return 0;
365 }
366 
367 static int dxva2_vc1_end_frame(AVCodecContext *avctx)
368 {
369  VC1Context *v = avctx->priv_data;
370  struct dxva2_picture_context *ctx_pic = v->s.cur_pic.ptr->hwaccel_picture_private;
371  int ret;
372 
373  if (ctx_pic->slice_count <= 0 || ctx_pic->bitstream_size <= 0)
374  return -1;
375 
376  ret = ff_dxva2_common_end_frame(avctx, v->s.cur_pic.ptr->f,
377  &ctx_pic->pp, sizeof(ctx_pic->pp),
378  NULL, 0,
379  commit_bitstream_and_slice_buffer);
380  return ret;
381 }
382 
383 #if CONFIG_WMV3_DXVA2_HWACCEL
384 const FFHWAccel ff_wmv3_dxva2_hwaccel = {
385  .p.name = "wmv3_dxva2",
386  .p.type = AVMEDIA_TYPE_VIDEO,
387  .p.id = AV_CODEC_ID_WMV3,
388  .p.pix_fmt = AV_PIX_FMT_DXVA2_VLD,
389  .init = ff_dxva2_decode_init,
390  .uninit = ff_dxva2_decode_uninit,
391  .start_frame = dxva2_vc1_start_frame,
392  .decode_slice = dxva2_vc1_decode_slice,
393  .end_frame = dxva2_vc1_end_frame,
394  .frame_params = ff_dxva2_common_frame_params,
395  .frame_priv_data_size = sizeof(struct dxva2_picture_context),
396  .priv_data_size = sizeof(FFDXVASharedContext),
397 };
398 #endif
399 
400 #if CONFIG_VC1_DXVA2_HWACCEL
401 const FFHWAccel ff_vc1_dxva2_hwaccel = {
402  .p.name = "vc1_dxva2",
403  .p.type = AVMEDIA_TYPE_VIDEO,
404  .p.id = AV_CODEC_ID_VC1,
405  .p.pix_fmt = AV_PIX_FMT_DXVA2_VLD,
406  .init = ff_dxva2_decode_init,
407  .uninit = ff_dxva2_decode_uninit,
408  .start_frame = dxva2_vc1_start_frame,
409  .decode_slice = dxva2_vc1_decode_slice,
410  .end_frame = dxva2_vc1_end_frame,
411  .frame_params = ff_dxva2_common_frame_params,
412  .frame_priv_data_size = sizeof(struct dxva2_picture_context),
413  .priv_data_size = sizeof(FFDXVASharedContext),
414 };
415 #endif
416 
417 #if CONFIG_WMV3_D3D11VA_HWACCEL
418 const FFHWAccel ff_wmv3_d3d11va_hwaccel = {
419  .p.name = "wmv3_d3d11va",
420  .p.type = AVMEDIA_TYPE_VIDEO,
421  .p.id = AV_CODEC_ID_WMV3,
422  .p.pix_fmt = AV_PIX_FMT_D3D11VA_VLD,
423  .init = ff_dxva2_decode_init,
424  .uninit = ff_dxva2_decode_uninit,
425  .start_frame = dxva2_vc1_start_frame,
426  .decode_slice = dxva2_vc1_decode_slice,
427  .end_frame = dxva2_vc1_end_frame,
428  .frame_params = ff_dxva2_common_frame_params,
429  .frame_priv_data_size = sizeof(struct dxva2_picture_context),
430  .priv_data_size = sizeof(FFDXVASharedContext),
431 };
432 #endif
433 
434 #if CONFIG_WMV3_D3D11VA2_HWACCEL
435 const FFHWAccel ff_wmv3_d3d11va2_hwaccel = {
436  .p.name = "wmv3_d3d11va2",
437  .p.type = AVMEDIA_TYPE_VIDEO,
438  .p.id = AV_CODEC_ID_WMV3,
439  .p.pix_fmt = AV_PIX_FMT_D3D11,
440  .init = ff_dxva2_decode_init,
441  .uninit = ff_dxva2_decode_uninit,
442  .start_frame = dxva2_vc1_start_frame,
443  .decode_slice = dxva2_vc1_decode_slice,
444  .end_frame = dxva2_vc1_end_frame,
445  .frame_params = ff_dxva2_common_frame_params,
446  .frame_priv_data_size = sizeof(struct dxva2_picture_context),
447  .priv_data_size = sizeof(FFDXVASharedContext),
448 };
449 #endif
450 
451 #if CONFIG_VC1_D3D11VA_HWACCEL
452 const FFHWAccel ff_vc1_d3d11va_hwaccel = {
453  .p.name = "vc1_d3d11va",
454  .p.type = AVMEDIA_TYPE_VIDEO,
455  .p.id = AV_CODEC_ID_VC1,
456  .p.pix_fmt = AV_PIX_FMT_D3D11VA_VLD,
457  .init = ff_dxva2_decode_init,
458  .uninit = ff_dxva2_decode_uninit,
459  .start_frame = dxva2_vc1_start_frame,
460  .decode_slice = dxva2_vc1_decode_slice,
461  .end_frame = dxva2_vc1_end_frame,
462  .frame_params = ff_dxva2_common_frame_params,
463  .frame_priv_data_size = sizeof(struct dxva2_picture_context),
464  .priv_data_size = sizeof(FFDXVASharedContext),
465 };
466 #endif
467 
468 #if CONFIG_VC1_D3D11VA2_HWACCEL
469 const FFHWAccel ff_vc1_d3d11va2_hwaccel = {
470  .p.name = "vc1_d3d11va2",
471  .p.type = AVMEDIA_TYPE_VIDEO,
472  .p.id = AV_CODEC_ID_VC1,
473  .p.pix_fmt = AV_PIX_FMT_D3D11,
474  .init = ff_dxva2_decode_init,
475  .uninit = ff_dxva2_decode_uninit,
476  .start_frame = dxva2_vc1_start_frame,
477  .decode_slice = dxva2_vc1_decode_slice,
478  .end_frame = dxva2_vc1_end_frame,
479  .frame_params = ff_dxva2_common_frame_params,
480  .frame_priv_data_size = sizeof(struct dxva2_picture_context),
481  .priv_data_size = sizeof(FFDXVASharedContext),
482 };
483 #endif
PICT_FRAME
#define PICT_FRAME
Definition: mpegutils.h:33
VC1Context::lumscale2
uint8_t lumscale2
for interlaced field P picture
Definition: vc1.h:336
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:335
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:317
get_bits_count
static int get_bits_count(const GetBitContext *s)
Definition: get_bits.h:266
av_unused
#define av_unused
Definition: attributes.h:131
FFHWAccel::p
AVHWAccel p
The public AVHWAccel.
Definition: hwaccel_internal.h:38
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:221
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:892
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:254
dxva2_picture_context::pp
DXVA_PicParams_H264 pp
Definition: dxva2_h264.c:35
PICT_BOTTOM_FIELD
#define PICT_BOTTOM_FIELD
Definition: mpegutils.h:32
mpegutils.h
ff_wmv3_d3d11va_hwaccel
const struct FFHWAccel ff_wmv3_d3d11va_hwaccel
decoder
static const chunk_decoder decoder[8]
Definition: dfa.c:331
FFHWAccel
Definition: hwaccel_internal.h:34
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
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:367
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:353
mpegvideodec.h
AV_LOG_ERROR
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:209
DXVA_CONTEXT_VALID
#define DXVA_CONTEXT_VALID(avctx, ctx)
Definition: dxva2_internal.h:133
DXVA2_CONTEXT
#define DXVA2_CONTEXT(ctx)
Definition: dxva2_internal.h:121
AV_PIX_FMT_DXVA2_VLD
@ AV_PIX_FMT_DXVA2_VLD
HW decoding through DXVA2, Picture.data[3] contains a LPDIRECT3DSURFACE9 pointer.
Definition: pixfmt.h:134
s
#define s(width, name)
Definition: cbs_vp9.c:198
MPVWorkPicture::ptr
MPVPicture * ptr
RefStruct reference.
Definition: mpegpicture.h:99
VC1Context::range_mapuv_flag
uint8_t range_mapuv_flag
Definition: vc1.h:327
VC1Context::postprocflag
int postprocflag
Per-frame processing suggestion flag present.
Definition: vc1.h:197
av_assert0
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:40
DXVA_CONTEXT
#define DXVA_CONTEXT(avctx)
Definition: dxva2_internal.h:118
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:49
PICT_TOP_FIELD
#define PICT_TOP_FIELD
Definition: mpegutils.h:31
ff_dxva2_vc1_fill_slice
void ff_dxva2_vc1_fill_slice(AVCodecContext *avctx, DXVA_SliceInfo *slice, unsigned position, unsigned size)
Definition: dxva2_vc1.c:167
VC1Context::rnd
int rnd
rounding control
Definition: vc1.h:297
MpegEncContext::cur_pic
MPVWorkPicture cur_pic
copy of the current picture structure.
Definition: mpegvideo.h:177
AVCodecContext::codec_id
enum AVCodecID codec_id
Definition: avcodec.h:461
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:123
NULL
#define NULL
Definition: coverity.c:32
VC1Context::range_mapy_flag
uint8_t range_mapy_flag
Definition: vc1.h:326
ff_dxva2_decode_init
int ff_dxva2_decode_init(AVCodecContext *avctx)
Definition: dxva2.c:656
hwaccel_internal.h
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:350
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:329
AV_PICTURE_TYPE_I
@ AV_PICTURE_TYPE_I
Intra.
Definition: avutil.h:279
IS_MARKER
#define IS_MARKER(state)
Definition: dca_parser.c:51
VC1Context::resync_marker
int resync_marker
could this stream contain resync markers
Definition: vc1.h:399
ff_dxva2_vc1_fill_picture_parameters
void ff_dxva2_vc1_fill_picture_parameters(AVCodecContext *avctx, AVDXVAContext *ctx, DXVA_PictureParameters *pp)
Definition: dxva2_vc1.c:43
FFDXVASharedContext
Definition: dxva2_internal.h:86
dxva2_picture_context
Definition: dxva2_h264.c:34
ff_dxva2_get_surface_index
unsigned ff_dxva2_get_surface_index(const AVCodecContext *avctx, AVDXVAContext *ctx, const AVFrame *frame, int curr)
Definition: dxva2.c:771
VC1Context::refdist_flag
int refdist_flag
REFDIST syntax element present in II, IP, PI or PP field picture headers.
Definition: vc1.h:202
DXVA_CONTEXT_CFG_INTRARESID
#define DXVA_CONTEXT_CFG_INTRARESID(avctx, ctx)
Definition: dxva2_internal.h:131
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:37
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:302
AVDXVAContext
Definition: dxva2_internal.h:74
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:72
vc1data.h
AV_PIX_FMT_D3D11
@ AV_PIX_FMT_D3D11
Hardware surfaces for Direct3D11.
Definition: pixfmt.h:336
VC1Context::tfcntrflag
int tfcntrflag
TFCNTR present.
Definition: vc1.h:200
DXVA_CONTEXT_REPORT_ID
#define DXVA_CONTEXT_REPORT_ID(avctx, ctx)
Definition: dxva2_internal.h:125
AVHWAccel::name
const char * name
Name of the hardware accelerated codec.
Definition: avcodec.h:2121
MPVPicture::hwaccel_picture_private
void * hwaccel_picture_private
RefStruct reference for hardware accelerator private data.
Definition: mpegpicture.h:75
D3D11VA_CONTEXT
#define D3D11VA_CONTEXT(ctx)
Definition: dxva2_internal.h:120
i
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:256
VC1Context::s
MpegEncContext s
Definition: vc1.h:174
ff_vc1_d3d11va2_hwaccel
const struct FFHWAccel ff_vc1_d3d11va2_hwaccel
FFMIN
#define FFMIN(a, b)
Definition: macros.h:49
VC1Context::extended_mv
int extended_mv
Ext MV in P/B (not in Simple)
Definition: vc1.h:221
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:803
AV_CODEC_ID_VC1
@ AV_CODEC_ID_VC1
Definition: codec_id.h:122
AVCodecContext::height
int height
Definition: avcodec.h:632
AVCodecContext::pix_fmt
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:671
ff_wmv3_d3d11va2_hwaccel
const struct FFHWAccel ff_wmv3_d3d11va2_hwaccel
ff_dxva2_common_frame_params
int ff_dxva2_common_frame_params(AVCodecContext *avctx, AVBufferRef *hw_frames_ctx)
Definition: dxva2.c:593
ff_wmv3_dxva2_hwaccel
const struct FFHWAccel ff_wmv3_dxva2_hwaccel
VC1Context::second_field
int second_field
Definition: vc1.h:352
ret
ret
Definition: filter_design.txt:187
MPVPicture::f
struct AVFrame * f
Definition: mpegpicture.h:59
dxva2_picture_context::slice
DXVA_SliceInfo slice[MAX_SLICES]
Definition: dxva2_mpeg2.c:37
dxva2_picture_context::bitstream
const uint8_t * bitstream
Definition: dxva2_h264.c:40
AVCodecContext
main external API structure.
Definition: avcodec.h:451
VC1Context::p_frame_skipped
int p_frame_skipped
Definition: vc1.h:383
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:392
AV_PICTURE_TYPE_B
@ AV_PICTURE_TYPE_B
Bi-dir predicted.
Definition: avutil.h:281
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:1057
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
DXVA_CONTEXT_CFG_RESIDACCEL
#define DXVA_CONTEXT_CFG_RESIDACCEL(avctx, ctx)
Definition: dxva2_internal.h:132
VC1Context::lumshift2
uint8_t lumshift2
Definition: vc1.h:337
VC1Context::bi_type
int bi_type
Definition: vc1.h:384
VC1Context::fcm
enum FrameCodingMode fcm
Frame decoding info for Advanced profile.
Definition: vc1.h:308
AV_PICTURE_TYPE_P
@ AV_PICTURE_TYPE_P
Predicted.
Definition: avutil.h:280
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
ff_dxva2_decode_uninit
int ff_dxva2_decode_uninit(AVCodecContext *avctx)
Definition: dxva2.c:731
VC1Context::psf
int psf
Progressive Segmented Frame.
Definition: vc1.h:209
avpriv_request_sample
#define avpriv_request_sample(...)
Definition: tableprint_vlc.h:36
VC1Context::lumshift
uint8_t lumshift
Definition: vc1.h:268
ff_vc1_d3d11va_hwaccel
const struct FFHWAccel ff_vc1_d3d11va_hwaccel
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:187
VC1Context::broadcast
int broadcast
TFF/RFF present.
Definition: vc1.h:198
AVCodecContext::priv_data
void * priv_data
Definition: avcodec.h:478
ff_vc1_dxva2_hwaccel
const struct FFHWAccel ff_vc1_dxva2_hwaccel
dxva2_vc1_decode_slice
static int dxva2_vc1_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
Definition: dxva2_vc1.c:337
AVCodecContext::width
int width
picture width / height.
Definition: avcodec.h:632
VC1Context::finterpflag
int finterpflag
INTERPFRM present.
Definition: vc1.h:226
av_log
#define av_log(a,...)
Definition: tableprint_vlc.h:27
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:32
MPVPicture
MPVPicture.
Definition: mpegpicture.h:58
VC1Context::range_mapy
uint8_t range_mapy
Definition: vc1.h:328
MpegEncContext
MpegEncContext.
Definition: mpegvideo.h:73
VC1Context::extended_dmv
int extended_dmv
Additional extended dmv range at P/B-frame-level.
Definition: vc1.h:203
dxva2_picture_context::bitstream_size
unsigned bitstream_size
Definition: dxva2_h264.c:41
Generated on Sat Dec 21 2024 19:21:36 for FFmpeg by   doxygen 1.8.17