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dxva2_h264.c
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1 /*
2  * DXVA2 H264 HW acceleration.
3  *
4  * copyright (c) 2009 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 "h264.h"
24 #include "h264data.h"
25 #include "mpegutils.h"
26 
27 // The headers above may include w32threads.h, which uses the original
28 // _WIN32_WINNT define, while dxva2_internal.h redefines it to target a
29 // potentially newer version.
30 #include "dxva2_internal.h"
31 
33  DXVA_PicParams_H264 pp;
34  DXVA_Qmatrix_H264 qm;
35  unsigned slice_count;
36  DXVA_Slice_H264_Short slice_short[MAX_SLICES];
37  DXVA_Slice_H264_Long slice_long[MAX_SLICES];
39  unsigned bitstream_size;
40 };
41 
42 static void fill_picture_entry(DXVA_PicEntry_H264 *pic,
43  unsigned index, unsigned flag)
44 {
45  assert((index&0x7f) == index && (flag&0x01) == flag);
46  pic->bPicEntry = index | (flag << 7);
47 }
48 
50  DXVA_PicParams_H264 *pp)
51 {
52  const H264Picture *current_picture = h->cur_pic_ptr;
53  int i, j;
54 
55  memset(pp, 0, sizeof(*pp));
56  /* Configure current picture */
57  fill_picture_entry(&pp->CurrPic,
58  ff_dxva2_get_surface_index(avctx, ctx, current_picture->f),
60  /* Configure the set of references */
61  pp->UsedForReferenceFlags = 0;
62  pp->NonExistingFrameFlags = 0;
63  for (i = 0, j = 0; i < FF_ARRAY_ELEMS(pp->RefFrameList); i++) {
64  const H264Picture *r;
65  if (j < h->short_ref_count) {
66  r = h->short_ref[j++];
67  } else {
68  r = NULL;
69  while (!r && j < h->short_ref_count + 16)
70  r = h->long_ref[j++ - h->short_ref_count];
71  }
72  if (r) {
73  fill_picture_entry(&pp->RefFrameList[i],
74  ff_dxva2_get_surface_index(avctx, ctx, r->f),
75  r->long_ref != 0);
76 
77  if ((r->reference & PICT_TOP_FIELD) && r->field_poc[0] != INT_MAX)
78  pp->FieldOrderCntList[i][0] = r->field_poc[0];
79  if ((r->reference & PICT_BOTTOM_FIELD) && r->field_poc[1] != INT_MAX)
80  pp->FieldOrderCntList[i][1] = r->field_poc[1];
81 
82  pp->FrameNumList[i] = r->long_ref ? r->pic_id : r->frame_num;
83  if (r->reference & PICT_TOP_FIELD)
84  pp->UsedForReferenceFlags |= 1 << (2*i + 0);
86  pp->UsedForReferenceFlags |= 1 << (2*i + 1);
87  } else {
88  pp->RefFrameList[i].bPicEntry = 0xff;
89  pp->FieldOrderCntList[i][0] = 0;
90  pp->FieldOrderCntList[i][1] = 0;
91  pp->FrameNumList[i] = 0;
92  }
93  }
94 
95  pp->wFrameWidthInMbsMinus1 = h->mb_width - 1;
96  pp->wFrameHeightInMbsMinus1 = h->mb_height - 1;
97  pp->num_ref_frames = h->sps.ref_frame_count;
98 
99  pp->wBitFields = ((h->picture_structure != PICT_FRAME) << 0) |
100  ((h->sps.mb_aff &&
101  (h->picture_structure == PICT_FRAME)) << 1) |
103  /* sp_for_switch_flag (not implemented by FFmpeg) */
104  (0 << 3) |
105  (h->sps.chroma_format_idc << 4) |
106  ((h->nal_ref_idc != 0) << 6) |
107  (h->pps.constrained_intra_pred << 7) |
108  (h->pps.weighted_pred << 8) |
109  (h->pps.weighted_bipred_idc << 9) |
110  /* MbsConsecutiveFlag */
111  (1 << 11) |
112  (h->sps.frame_mbs_only_flag << 12) |
113  (h->pps.transform_8x8_mode << 13) |
114  ((h->sps.level_idc >= 31) << 14) |
115  /* IntraPicFlag (Modified if we detect a non
116  * intra slice in dxva2_h264_decode_slice) */
117  (1 << 15);
118 
119  pp->bit_depth_luma_minus8 = h->sps.bit_depth_luma - 8;
120  pp->bit_depth_chroma_minus8 = h->sps.bit_depth_chroma - 8;
121  if (DXVA_CONTEXT_WORKAROUND(avctx, ctx) & FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG)
122  pp->Reserved16Bits = 0;
123  else if (DXVA_CONTEXT_WORKAROUND(avctx, ctx) & FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO)
124  pp->Reserved16Bits = 0x34c;
125  else
126  pp->Reserved16Bits = 3; /* FIXME is there a way to detect the right mode ? */
127  pp->StatusReportFeedbackNumber = 1 + DXVA_CONTEXT_REPORT_ID(avctx, ctx)++;
128  pp->CurrFieldOrderCnt[0] = 0;
129  if ((h->picture_structure & PICT_TOP_FIELD) &&
130  current_picture->field_poc[0] != INT_MAX)
131  pp->CurrFieldOrderCnt[0] = current_picture->field_poc[0];
132  pp->CurrFieldOrderCnt[1] = 0;
134  current_picture->field_poc[1] != INT_MAX)
135  pp->CurrFieldOrderCnt[1] = current_picture->field_poc[1];
136  pp->pic_init_qs_minus26 = h->pps.init_qs - 26;
137  pp->chroma_qp_index_offset = h->pps.chroma_qp_index_offset[0];
138  pp->second_chroma_qp_index_offset = h->pps.chroma_qp_index_offset[1];
139  pp->ContinuationFlag = 1;
140  pp->pic_init_qp_minus26 = h->pps.init_qp - 26;
141  pp->num_ref_idx_l0_active_minus1 = h->pps.ref_count[0] - 1;
142  pp->num_ref_idx_l1_active_minus1 = h->pps.ref_count[1] - 1;
143  pp->Reserved8BitsA = 0;
144  pp->frame_num = h->frame_num;
145  pp->log2_max_frame_num_minus4 = h->sps.log2_max_frame_num - 4;
146  pp->pic_order_cnt_type = h->sps.poc_type;
147  if (h->sps.poc_type == 0)
148  pp->log2_max_pic_order_cnt_lsb_minus4 = h->sps.log2_max_poc_lsb - 4;
149  else if (h->sps.poc_type == 1)
150  pp->delta_pic_order_always_zero_flag = h->sps.delta_pic_order_always_zero_flag;
151  pp->direct_8x8_inference_flag = h->sps.direct_8x8_inference_flag;
152  pp->entropy_coding_mode_flag = h->pps.cabac;
153  pp->pic_order_present_flag = h->pps.pic_order_present;
154  pp->num_slice_groups_minus1 = h->pps.slice_group_count - 1;
155  pp->slice_group_map_type = h->pps.mb_slice_group_map_type;
156  pp->deblocking_filter_control_present_flag = h->pps.deblocking_filter_parameters_present;
157  pp->redundant_pic_cnt_present_flag= h->pps.redundant_pic_cnt_present;
158  pp->Reserved8BitsB = 0;
159  pp->slice_group_change_rate_minus1= 0; /* XXX not implemented by FFmpeg */
160  //pp->SliceGroupMap[810]; /* XXX not implemented by FFmpeg */
161 }
162 
163 static void fill_scaling_lists(const AVCodecContext *avctx, AVDXVAContext *ctx, const H264Context *h, DXVA_Qmatrix_H264 *qm)
164 {
165  unsigned i, j;
166  memset(qm, 0, sizeof(*qm));
167  if (DXVA_CONTEXT_WORKAROUND(avctx, ctx) & FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG) {
168  for (i = 0; i < 6; i++)
169  for (j = 0; j < 16; j++)
170  qm->bScalingLists4x4[i][j] = h->pps.scaling_matrix4[i][j];
171 
172  for (i = 0; i < 64; i++) {
173  qm->bScalingLists8x8[0][i] = h->pps.scaling_matrix8[0][i];
174  qm->bScalingLists8x8[1][i] = h->pps.scaling_matrix8[3][i];
175  }
176  } else {
177  for (i = 0; i < 6; i++)
178  for (j = 0; j < 16; j++)
179  qm->bScalingLists4x4[i][j] = h->pps.scaling_matrix4[i][zigzag_scan[j]];
180 
181  for (i = 0; i < 64; i++) {
182  qm->bScalingLists8x8[0][i] = h->pps.scaling_matrix8[0][ff_zigzag_direct[i]];
183  qm->bScalingLists8x8[1][i] = h->pps.scaling_matrix8[3][ff_zigzag_direct[i]];
184  }
185  }
186 }
187 
188 static int is_slice_short(const AVCodecContext *avctx, AVDXVAContext *ctx)
189 {
190  assert(DXVA_CONTEXT_CFG_BITSTREAM(avctx, ctx) == 1 ||
191  DXVA_CONTEXT_CFG_BITSTREAM(avctx, ctx) == 2);
192  return DXVA_CONTEXT_CFG_BITSTREAM(avctx, ctx) == 2;
193 }
194 
195 static void fill_slice_short(DXVA_Slice_H264_Short *slice,
196  unsigned position, unsigned size)
197 {
198  memset(slice, 0, sizeof(*slice));
199  slice->BSNALunitDataLocation = position;
200  slice->SliceBytesInBuffer = size;
201  slice->wBadSliceChopping = 0;
202 }
203 
204 static int get_refpic_index(const DXVA_PicParams_H264 *pp, int surface_index)
205 {
206  int i;
207  for (i = 0; i < FF_ARRAY_ELEMS(pp->RefFrameList); i++) {
208  if ((pp->RefFrameList[i].bPicEntry & 0x7f) == surface_index)
209  return i;
210  }
211  return 0x7f;
212 }
213 
214 static void fill_slice_long(AVCodecContext *avctx, DXVA_Slice_H264_Long *slice,
215  const DXVA_PicParams_H264 *pp, unsigned position, unsigned size)
216 {
217  const H264Context *h = avctx->priv_data;
218  H264SliceContext *sl = &h->slice_ctx[0];
220  unsigned list;
221 
222  memset(slice, 0, sizeof(*slice));
223  slice->BSNALunitDataLocation = position;
224  slice->SliceBytesInBuffer = size;
225  slice->wBadSliceChopping = 0;
226 
227  slice->first_mb_in_slice = (sl->mb_y >> FIELD_OR_MBAFF_PICTURE(h)) * h->mb_width + sl->mb_x;
228  slice->NumMbsForSlice = 0; /* XXX it is set once we have all slices */
229  slice->BitOffsetToSliceData = get_bits_count(&sl->gb);
230  slice->slice_type = ff_h264_get_slice_type(sl);
231  if (sl->slice_type_fixed)
232  slice->slice_type += 5;
233  slice->luma_log2_weight_denom = sl->luma_log2_weight_denom;
234  slice->chroma_log2_weight_denom = sl->chroma_log2_weight_denom;
235  if (sl->list_count > 0)
236  slice->num_ref_idx_l0_active_minus1 = sl->ref_count[0] - 1;
237  if (sl->list_count > 1)
238  slice->num_ref_idx_l1_active_minus1 = sl->ref_count[1] - 1;
239  slice->slice_alpha_c0_offset_div2 = sl->slice_alpha_c0_offset / 2;
240  slice->slice_beta_offset_div2 = sl->slice_beta_offset / 2;
241  slice->Reserved8Bits = 0;
242 
243  for (list = 0; list < 2; list++) {
244  unsigned i;
245  for (i = 0; i < FF_ARRAY_ELEMS(slice->RefPicList[list]); i++) {
246  if (list < sl->list_count && i < sl->ref_count[list]) {
247  const H264Picture *r = sl->ref_list[list][i].parent;
248  unsigned plane;
249  unsigned index;
250  if (DXVA_CONTEXT_WORKAROUND(avctx, ctx) & FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO)
251  index = ff_dxva2_get_surface_index(avctx, ctx, r->f);
252  else
253  index = get_refpic_index(pp, ff_dxva2_get_surface_index(avctx, ctx, r->f));
254  fill_picture_entry(&slice->RefPicList[list][i], index,
255  sl->ref_list[list][i].reference == PICT_BOTTOM_FIELD);
256  for (plane = 0; plane < 3; plane++) {
257  int w, o;
258  if (plane == 0 && sl->luma_weight_flag[list]) {
259  w = sl->luma_weight[i][list][0];
260  o = sl->luma_weight[i][list][1];
261  } else if (plane >= 1 && sl->chroma_weight_flag[list]) {
262  w = sl->chroma_weight[i][list][plane-1][0];
263  o = sl->chroma_weight[i][list][plane-1][1];
264  } else {
265  w = 1 << (plane == 0 ? sl->luma_log2_weight_denom :
267  o = 0;
268  }
269  slice->Weights[list][i][plane][0] = w;
270  slice->Weights[list][i][plane][1] = o;
271  }
272  } else {
273  unsigned plane;
274  slice->RefPicList[list][i].bPicEntry = 0xff;
275  for (plane = 0; plane < 3; plane++) {
276  slice->Weights[list][i][plane][0] = 0;
277  slice->Weights[list][i][plane][1] = 0;
278  }
279  }
280  }
281  }
282  slice->slice_qs_delta = 0; /* XXX not implemented by FFmpeg */
283  slice->slice_qp_delta = sl->qscale - h->pps.init_qp;
284  slice->redundant_pic_cnt = sl->redundant_pic_count;
285  if (sl->slice_type == AV_PICTURE_TYPE_B)
286  slice->direct_spatial_mv_pred_flag = sl->direct_spatial_mv_pred;
287  slice->cabac_init_idc = h->pps.cabac ? sl->cabac_init_idc : 0;
288  if (sl->deblocking_filter < 2)
289  slice->disable_deblocking_filter_idc = 1 - sl->deblocking_filter;
290  else
291  slice->disable_deblocking_filter_idc = sl->deblocking_filter;
292  slice->slice_id = h->current_slice - 1;
293 }
294 
298 {
299  const H264Context *h = avctx->priv_data;
300  const unsigned mb_count = h->mb_width * h->mb_height;
302  const H264Picture *current_picture = h->cur_pic_ptr;
303  struct dxva2_picture_context *ctx_pic = current_picture->hwaccel_picture_private;
304  DXVA_Slice_H264_Short *slice = NULL;
305  void *dxva_data_ptr = NULL;
306  uint8_t *dxva_data, *current, *end;
307  unsigned dxva_size = 0;
308  void *slice_data;
309  unsigned slice_size;
310  unsigned padding;
311  unsigned i;
312  unsigned type;
313 
314  /* Create an annex B bitstream buffer with only slice NAL and finalize slice */
315 #if CONFIG_D3D11VA
316  if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD) {
317  type = D3D11_VIDEO_DECODER_BUFFER_BITSTREAM;
318  if (FAILED(ID3D11VideoContext_GetDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context,
319  D3D11VA_CONTEXT(ctx)->decoder,
320  type,
321  &dxva_size, &dxva_data_ptr)))
322  return -1;
323  }
324 #endif
325 #if CONFIG_DXVA2
326  if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
327  type = DXVA2_BitStreamDateBufferType;
328  if (FAILED(IDirectXVideoDecoder_GetBuffer(DXVA2_CONTEXT(ctx)->decoder,
329  type,
330  &dxva_data_ptr, &dxva_size)))
331  return -1;
332  }
333 #endif
334 
335  dxva_data = dxva_data_ptr;
336  current = dxva_data;
337  end = dxva_data + dxva_size;
338 
339  for (i = 0; i < ctx_pic->slice_count; i++) {
340  static const uint8_t start_code[] = { 0, 0, 1 };
341  static const unsigned start_code_size = sizeof(start_code);
342  unsigned position, size;
343 
344  assert(offsetof(DXVA_Slice_H264_Short, BSNALunitDataLocation) ==
345  offsetof(DXVA_Slice_H264_Long, BSNALunitDataLocation));
346  assert(offsetof(DXVA_Slice_H264_Short, SliceBytesInBuffer) ==
347  offsetof(DXVA_Slice_H264_Long, SliceBytesInBuffer));
348 
349  if (is_slice_short(avctx, ctx))
350  slice = &ctx_pic->slice_short[i];
351  else
352  slice = (DXVA_Slice_H264_Short*)&ctx_pic->slice_long[i];
353 
354  position = slice->BSNALunitDataLocation;
355  size = slice->SliceBytesInBuffer;
356  if (start_code_size + size > end - current) {
357  av_log(avctx, AV_LOG_ERROR, "Failed to build bitstream");
358  break;
359  }
360 
361  slice->BSNALunitDataLocation = current - dxva_data;
362  slice->SliceBytesInBuffer = start_code_size + size;
363 
364  if (!is_slice_short(avctx, ctx)) {
365  DXVA_Slice_H264_Long *slice_long = (DXVA_Slice_H264_Long*)slice;
366  if (i < ctx_pic->slice_count - 1)
367  slice_long->NumMbsForSlice =
368  slice_long[1].first_mb_in_slice - slice_long[0].first_mb_in_slice;
369  else
370  slice_long->NumMbsForSlice = mb_count - slice_long->first_mb_in_slice;
371  }
372 
373  memcpy(current, start_code, start_code_size);
374  current += start_code_size;
375 
376  memcpy(current, &ctx_pic->bitstream[position], size);
377  current += size;
378  }
379  padding = FFMIN(128 - ((current - dxva_data) & 127), end - current);
380  if (slice && padding > 0) {
381  memset(current, 0, padding);
382  current += padding;
383 
384  slice->SliceBytesInBuffer += padding;
385  }
386 #if CONFIG_D3D11VA
387  if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD)
388  if (FAILED(ID3D11VideoContext_ReleaseDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder, type)))
389  return -1;
390 #endif
391 #if CONFIG_DXVA2
392  if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
393  if (FAILED(IDirectXVideoDecoder_ReleaseBuffer(DXVA2_CONTEXT(ctx)->decoder, type)))
394  return -1;
395 #endif
396  if (i < ctx_pic->slice_count)
397  return -1;
398 
399 #if CONFIG_D3D11VA
400  if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD) {
401  D3D11_VIDEO_DECODER_BUFFER_DESC *dsc11 = bs;
402  memset(dsc11, 0, sizeof(*dsc11));
403  dsc11->BufferType = type;
404  dsc11->DataSize = current - dxva_data;
405  dsc11->NumMBsInBuffer = mb_count;
406 
407  type = D3D11_VIDEO_DECODER_BUFFER_SLICE_CONTROL;
408  }
409 #endif
410 #if CONFIG_DXVA2
411  if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
412  DXVA2_DecodeBufferDesc *dsc2 = bs;
413  memset(dsc2, 0, sizeof(*dsc2));
414  dsc2->CompressedBufferType = type;
415  dsc2->DataSize = current - dxva_data;
416  dsc2->NumMBsInBuffer = mb_count;
417 
418  type = DXVA2_SliceControlBufferType;
419  }
420 #endif
421 
422  if (is_slice_short(avctx, ctx)) {
423  slice_data = ctx_pic->slice_short;
424  slice_size = ctx_pic->slice_count * sizeof(*ctx_pic->slice_short);
425  } else {
426  slice_data = ctx_pic->slice_long;
427  slice_size = ctx_pic->slice_count * sizeof(*ctx_pic->slice_long);
428  }
429  assert((bs->DataSize & 127) == 0);
430  return ff_dxva2_commit_buffer(avctx, ctx, sc,
431  type,
432  slice_data, slice_size, mb_count);
433 }
434 
435 
437  av_unused const uint8_t *buffer,
438  av_unused uint32_t size)
439 {
440  const H264Context *h = avctx->priv_data;
443 
444  if (DXVA_CONTEXT_DECODER(avctx, ctx) == NULL ||
445  DXVA_CONTEXT_CFG(avctx, ctx) == NULL ||
446  DXVA_CONTEXT_COUNT(avctx, ctx) <= 0)
447  return -1;
448  assert(ctx_pic);
449 
450  /* Fill up DXVA_PicParams_H264 */
451  fill_picture_parameters(avctx, ctx, h, &ctx_pic->pp);
452 
453  /* Fill up DXVA_Qmatrix_H264 */
454  fill_scaling_lists(avctx, ctx, h, &ctx_pic->qm);
455 
456  ctx_pic->slice_count = 0;
457  ctx_pic->bitstream_size = 0;
458  ctx_pic->bitstream = NULL;
459  return 0;
460 }
461 
463  const uint8_t *buffer,
464  uint32_t size)
465 {
466  const H264Context *h = avctx->priv_data;
467  const H264SliceContext *sl = &h->slice_ctx[0];
469  const H264Picture *current_picture = h->cur_pic_ptr;
470  struct dxva2_picture_context *ctx_pic = current_picture->hwaccel_picture_private;
471  unsigned position;
472 
473  if (ctx_pic->slice_count >= MAX_SLICES)
474  return -1;
475 
476  if (!ctx_pic->bitstream)
477  ctx_pic->bitstream = buffer;
478  ctx_pic->bitstream_size += size;
479 
480  position = buffer - ctx_pic->bitstream;
481  if (is_slice_short(avctx, ctx))
482  fill_slice_short(&ctx_pic->slice_short[ctx_pic->slice_count],
483  position, size);
484  else
485  fill_slice_long(avctx, &ctx_pic->slice_long[ctx_pic->slice_count],
486  &ctx_pic->pp, position, size);
487  ctx_pic->slice_count++;
488 
490  ctx_pic->pp.wBitFields &= ~(1 << 15); /* Set IntraPicFlag to 0 */
491  return 0;
492 }
493 
495 {
496  H264Context *h = avctx->priv_data;
497  H264SliceContext *sl = &h->slice_ctx[0];
498  struct dxva2_picture_context *ctx_pic =
500  int ret;
501 
502  if (ctx_pic->slice_count <= 0 || ctx_pic->bitstream_size <= 0)
503  return -1;
504  ret = ff_dxva2_common_end_frame(avctx, h->cur_pic_ptr->f,
505  &ctx_pic->pp, sizeof(ctx_pic->pp),
506  &ctx_pic->qm, sizeof(ctx_pic->qm),
508  if (!ret)
509  ff_h264_draw_horiz_band(h, sl, 0, h->avctx->height);
510  return ret;
511 }
512 
513 #if CONFIG_H264_DXVA2_HWACCEL
514 AVHWAccel ff_h264_dxva2_hwaccel = {
515  .name = "h264_dxva2",
516  .type = AVMEDIA_TYPE_VIDEO,
517  .id = AV_CODEC_ID_H264,
518  .pix_fmt = AV_PIX_FMT_DXVA2_VLD,
519  .start_frame = dxva2_h264_start_frame,
520  .decode_slice = dxva2_h264_decode_slice,
521  .end_frame = dxva2_h264_end_frame,
522  .frame_priv_data_size = sizeof(struct dxva2_picture_context),
523 };
524 #endif
525 
526 #if CONFIG_H264_D3D11VA_HWACCEL
527 AVHWAccel ff_h264_d3d11va_hwaccel = {
528  .name = "h264_d3d11va",
529  .type = AVMEDIA_TYPE_VIDEO,
530  .id = AV_CODEC_ID_H264,
531  .pix_fmt = AV_PIX_FMT_D3D11VA_VLD,
532  .start_frame = dxva2_h264_start_frame,
533  .decode_slice = dxva2_h264_decode_slice,
534  .end_frame = dxva2_h264_end_frame,
535  .frame_priv_data_size = sizeof(struct dxva2_picture_context),
536 };
537 #endif
int chroma_format_idc
Definition: h264.h:179
int plane
Definition: avisynth_c.h:291
#define NULL
Definition: coverity.c:32
int long_ref
1->long term reference 0->short term reference
Definition: h264.h:340
int luma_weight[48][2][2]
Definition: h264.h:395
AVFormatContext * ctx
Definition: movenc-test.c:48
int weighted_bipred_idc
Definition: h264.h:248
int chroma_qp_index_offset[2]
Definition: h264.h:251
unsigned int ref_count[2]
num_ref_idx_l0/1_active_minus1 + 1
Definition: h264.h:246
void ff_h264_draw_horiz_band(const H264Context *h, H264SliceContext *sl, int y, int height)
Definition: h264.c:101
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:1752
int frame_mbs_only_flag
Definition: h264.h:192
int mb_height
Definition: h264.h:624
DXVA_PicParams_H264 pp
Definition: dxva2_h264.c:33
H264Context.
Definition: h264.h:522
AVFrame * f
Definition: h264.h:315
H264Picture * long_ref[32]
Definition: h264.h:674
int picture_structure
Definition: h264.h:595
int luma_weight_flag[2]
7.4.3.2 luma_weight_lX_flag
Definition: h264.h:392
unsigned int ref_count[2]
num_ref_idx_l0/1_active_minus1 + 1
Definition: h264.h:465
Switching Intra.
Definition: avutil.h:270
static void fill_slice_long(AVCodecContext *avctx, DXVA_Slice_H264_Long *slice, const DXVA_PicParams_H264 *pp, unsigned position, unsigned size)
Definition: dxva2_h264.c:214
DXVA_SliceInfo slice[MAX_SLICES]
Definition: dxva2_mpeg2.c:37
uint8_t scaling_matrix4[6][16]
Definition: h264.h:256
int deblocking_filter_parameters_present
deblocking_filter_parameters_present_flag
Definition: h264.h:252
uint8_t
void * hwaccel_context
Hardware accelerator context.
Definition: avcodec.h:2855
int slice_alpha_c0_offset
Definition: h264.h:384
int bit_depth_chroma
bit_depth_chroma_minus8 + 8
Definition: h264.h:229
static av_cold int end(AVCodecContext *avctx)
Definition: avrndec.c:90
int slice_type
Definition: h264.h:373
static int is_slice_short(const AVCodecContext *avctx, AVDXVAContext *ctx)
Definition: dxva2_h264.c:188
int cabac
entropy_coding_mode_flag
Definition: h264.h:242
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:125
#define PICT_BOTTOM_FIELD
Definition: mpegutils.h:38
static int get_bits_count(const GetBitContext *s)
Definition: get_bits.h:212
int redundant_pic_cnt_present
redundant_pic_cnt_present_flag
Definition: h264.h:254
ptrdiff_t size
Definition: opengl_enc.c:101
H264Picture * parent
Definition: h264.h:364
#define av_log(a,...)
#define FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG
Work around for Direct3D11 and old UVD/UVD+ ATI video cards.
Definition: d3d11va.h:48
int flag
Definition: checkasm.c:115
H.264 / AVC / MPEG4 part10 codec.
int frame_num
Definition: h264.h:655
int mb_aff
mb_adaptive_frame_field_flag
Definition: h264.h:193
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
int poc_type
pic_order_cnt_type
Definition: h264.h:182
int constrained_intra_pred
constrained_intra_pred_flag
Definition: h264.h:253
void * hwaccel_picture_private
hardware accelerator private data
Definition: h264.h:328
const char * r
Definition: vf_curves.c:107
PPS pps
current pps
Definition: h264.h:582
int deblocking_filter
disable_deblocking_filter_idc with 1 <-> 0
Definition: h264.h:383
int weighted_pred
weighted_pred_flag
Definition: h264.h:247
#define PICT_TOP_FIELD
Definition: mpegutils.h:37
int direct_spatial_mv_pred
Definition: h264.h:449
int frame_num
frame_num (raw frame_num from slice header)
Definition: h264.h:335
#define MAX_SLICES
Definition: dxva2_hevc.c:32
int residual_color_transform_flag
residual_colour_transform_flag
Definition: h264.h:230
int delta_pic_order_always_zero_flag
Definition: h264.h:184
#define FIELD_OR_MBAFF_PICTURE(h)
Definition: h264.h:92
static void fill_picture_parameters(const AVCodecContext *avctx, AVDXVAContext *ctx, const H264Context *h, DXVA_PicParams_H264 *pp)
Definition: dxva2_h264.c:49
uint8_t scaling_matrix8[6][64]
Definition: h264.h:257
int ref_frame_count
num_ref_frames
Definition: h264.h:188
const char * name
Name of the hardware accelerated codec.
Definition: avcodec.h:3503
#define FFMIN(a, b)
Definition: common.h:96
int reference
Definition: h264.h:346
static const chunk_decoder decoder[8]
Definition: dfa.c:327
int redundant_pic_count
Definition: h264.h:442
#define FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO
Work around for Direct3D11 and old Intel GPUs with ClearVideo interface.
Definition: d3d11va.h:49
SPS sps
current sps
Definition: h264.h:581
int init_qp
pic_init_qp_minus26 + 26
Definition: h264.h:249
H264SliceContext * slice_ctx
Definition: h264.h:536
int direct_8x8_inference_flag
Definition: h264.h:194
int reference
Definition: h264.h:360
unsigned bitstream_size
Definition: dxva2_h264.c:39
int chroma_log2_weight_denom
Definition: h264.h:391
#define FF_ARRAY_ELEMS(a)
DXVA_Slice_H264_Long slice_long[MAX_SLICES]
Definition: dxva2_h264.c:37
int ff_h264_get_slice_type(const H264SliceContext *sl)
Reconstruct bitstream slice_type.
Definition: h264_slice.c:1948
int pic_order_present
pic_order_present_flag
Definition: h264.h:243
static void fill_slice_short(DXVA_Slice_H264_Short *slice, unsigned position, unsigned size)
Definition: dxva2_h264.c:195
static int get_refpic_index(const DXVA_PicParams_H264 *pp, int surface_index)
Definition: dxva2_h264.c:204
AVCodecContext * avctx
Definition: h264.h:524
H264 / AVC / MPEG4 part10 codec data table
static const uint8_t zigzag_scan[16+1]
Definition: h264data.h:54
H264Picture * short_ref[32]
Definition: h264.h:673
unsigned ff_dxva2_get_surface_index(const AVCodecContext *avctx, const AVDXVAContext *ctx, const AVFrame *frame)
Definition: dxva2.c:37
int field_poc[2]
top/bottom POC
Definition: h264.h:333
main external API structure.
Definition: avcodec.h:1532
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:52
GLint GLenum type
Definition: opengl_enc.c:105
int index
Definition: gxfenc.c:89
H264Picture * cur_pic_ptr
Definition: h264.h:532
static void fill_scaling_lists(const AVCodecContext *avctx, AVDXVAContext *ctx, const H264Context *h, DXVA_Qmatrix_H264 *qm)
Definition: dxva2_h264.c:163
const uint8_t ff_zigzag_direct[64]
Definition: mathtables.c:98
void DECODER_BUFFER_DESC
int log2_max_poc_lsb
log2_max_pic_order_cnt_lsb_minus4
Definition: h264.h:183
HW decoding through DXVA2, Picture.data[3] contains a LPDIRECT3DSURFACE9 pointer. ...
Definition: pixfmt.h:149
static int dxva2_h264_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
Definition: dxva2_h264.c:462
static const uint8_t start_code[]
Definition: h264.c:1298
int transform_8x8_mode
transform_8x8_mode_flag
Definition: h264.h:255
unsigned int list_count
Definition: h264.h:466
#define FAILED(hr)
Definition: windows2linux.h:48
static int commit_bitstream_and_slice_buffer(AVCodecContext *avctx, DECODER_BUFFER_DESC *bs, DECODER_BUFFER_DESC *sc)
Definition: dxva2_h264.c:295
const uint8_t * bitstream
Definition: dxva2_h264.c:38
int init_qs
pic_init_qs_minus26 + 26
Definition: h264.h:250
int pic_id
pic_num (short -> no wrap version of pic_num, pic_num & max_pic_num; long -> long_pic_num) ...
Definition: h264.h:338
if(ret< 0)
Definition: vf_mcdeint.c:282
int log2_max_frame_num
log2_max_frame_num_minus4 + 4
Definition: h264.h:181
Bi-dir predicted.
Definition: avutil.h:268
int bit_depth_luma
bit_depth_luma_minus8 + 8
Definition: h264.h:228
static int dxva2_h264_start_frame(AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused uint32_t size)
Definition: dxva2_h264.c:436
static int dxva2_h264_end_frame(AVCodecContext *avctx)
Definition: dxva2_h264.c:494
void * priv_data
Definition: avcodec.h:1574
#define PICT_FRAME
Definition: mpegutils.h:39
int luma_log2_weight_denom
Definition: h264.h:390
int chroma_weight[48][2][2][2]
Definition: h264.h:396
int mb_width
Definition: h264.h:624
int current_slice
current slice number, used to initialize slice_num of each thread/context
Definition: h264.h:697
int slice_group_count
num_slice_groups_minus1 + 1
Definition: h264.h:244
H264Ref ref_list[2][48]
0..15: frame refs, 16..47: mbaff field refs.
Definition: h264.h:467
int slice_type_fixed
Definition: h264.h:375
HW decoding through Direct3D11, Picture.data[3] contains a ID3D11VideoDecoderOutputView pointer...
Definition: pixfmt.h:243
int slice_beta_offset
Definition: h264.h:385
int level_idc
Definition: h264.h:178
DXVA_Slice_H264_Short slice_short[MAX_SLICES]
Definition: dxva2_h264.c:36
int nal_ref_idc
Definition: h264.h:631
GetBitContext gb
Definition: h264.h:369
int cabac_init_idc
Definition: h264.h:512
for(j=16;j >0;--j)
static void fill_picture_entry(DXVA_PicEntry_H264 *pic, unsigned index, unsigned flag)
Definition: dxva2_h264.c:42
GLuint buffer
Definition: opengl_enc.c:102
#define av_unused
Definition: attributes.h:126
int chroma_weight_flag[2]
7.4.3.2 chroma_weight_lX_flag
Definition: h264.h:393
int short_ref_count
number of actual short term references
Definition: h264.h:688
int mb_slice_group_map_type
Definition: h264.h:245
DXVA_Qmatrix_H264 qm
Definition: dxva2_h264.c:34