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dxva2_h264.c
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1 /*
2  * DXVA2 H.264 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 "libavutil/avassert.h"
24 
25 #include "h264.h"
26 #include "h264data.h"
27 #include "mpegutils.h"
28 
29 // The headers above may include w32threads.h, which uses the original
30 // _WIN32_WINNT define, while dxva2_internal.h redefines it to target a
31 // potentially newer version.
32 #include "dxva2_internal.h"
33 
35  DXVA_PicParams_H264 pp;
36  DXVA_Qmatrix_H264 qm;
37  unsigned slice_count;
38  DXVA_Slice_H264_Short slice_short[MAX_SLICES];
39  DXVA_Slice_H264_Long slice_long[MAX_SLICES];
41  unsigned bitstream_size;
42 };
43 
44 static void fill_picture_entry(DXVA_PicEntry_H264 *pic,
45  unsigned index, unsigned flag)
46 {
47  assert((index&0x7f) == index && (flag&0x01) == flag);
48  pic->bPicEntry = index | (flag << 7);
49 }
50 
52  DXVA_PicParams_H264 *pp)
53 {
54  const H264Picture *current_picture = h->cur_pic_ptr;
55  const SPS *sps = h->ps.sps;
56  const PPS *pps = h->ps.pps;
57  int i, j;
58 
59  memset(pp, 0, sizeof(*pp));
60  /* Configure current picture */
61  fill_picture_entry(&pp->CurrPic,
62  ff_dxva2_get_surface_index(avctx, ctx, current_picture->f),
64  /* Configure the set of references */
65  pp->UsedForReferenceFlags = 0;
66  pp->NonExistingFrameFlags = 0;
67  for (i = 0, j = 0; i < FF_ARRAY_ELEMS(pp->RefFrameList); i++) {
68  const H264Picture *r;
69  if (j < h->short_ref_count) {
70  r = h->short_ref[j++];
71  } else {
72  r = NULL;
73  while (!r && j < h->short_ref_count + 16)
74  r = h->long_ref[j++ - h->short_ref_count];
75  }
76  if (r) {
77  fill_picture_entry(&pp->RefFrameList[i],
78  ff_dxva2_get_surface_index(avctx, ctx, r->f),
79  r->long_ref != 0);
80 
81  if ((r->reference & PICT_TOP_FIELD) && r->field_poc[0] != INT_MAX)
82  pp->FieldOrderCntList[i][0] = r->field_poc[0];
83  if ((r->reference & PICT_BOTTOM_FIELD) && r->field_poc[1] != INT_MAX)
84  pp->FieldOrderCntList[i][1] = r->field_poc[1];
85 
86  pp->FrameNumList[i] = r->long_ref ? r->pic_id : r->frame_num;
87  if (r->reference & PICT_TOP_FIELD)
88  pp->UsedForReferenceFlags |= 1 << (2*i + 0);
90  pp->UsedForReferenceFlags |= 1 << (2*i + 1);
91  } else {
92  pp->RefFrameList[i].bPicEntry = 0xff;
93  pp->FieldOrderCntList[i][0] = 0;
94  pp->FieldOrderCntList[i][1] = 0;
95  pp->FrameNumList[i] = 0;
96  }
97  }
98 
99  pp->wFrameWidthInMbsMinus1 = h->mb_width - 1;
100  pp->wFrameHeightInMbsMinus1 = h->mb_height - 1;
101  pp->num_ref_frames = sps->ref_frame_count;
102 
103  pp->wBitFields = ((h->picture_structure != PICT_FRAME) << 0) |
104  ((sps->mb_aff &&
105  (h->picture_structure == PICT_FRAME)) << 1) |
106  (sps->residual_color_transform_flag << 2) |
107  /* sp_for_switch_flag (not implemented by FFmpeg) */
108  (0 << 3) |
109  (sps->chroma_format_idc << 4) |
110  ((h->nal_ref_idc != 0) << 6) |
111  (pps->constrained_intra_pred << 7) |
112  (pps->weighted_pred << 8) |
113  (pps->weighted_bipred_idc << 9) |
114  /* MbsConsecutiveFlag */
115  (1 << 11) |
116  (sps->frame_mbs_only_flag << 12) |
117  (pps->transform_8x8_mode << 13) |
118  ((sps->level_idc >= 31) << 14) |
119  /* IntraPicFlag (Modified if we detect a non
120  * intra slice in dxva2_h264_decode_slice) */
121  (1 << 15);
122 
123  pp->bit_depth_luma_minus8 = sps->bit_depth_luma - 8;
124  pp->bit_depth_chroma_minus8 = sps->bit_depth_chroma - 8;
125  if (DXVA_CONTEXT_WORKAROUND(avctx, ctx) & FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG)
126  pp->Reserved16Bits = 0;
127  else if (DXVA_CONTEXT_WORKAROUND(avctx, ctx) & FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO)
128  pp->Reserved16Bits = 0x34c;
129  else
130  pp->Reserved16Bits = 3; /* FIXME is there a way to detect the right mode ? */
131  pp->StatusReportFeedbackNumber = 1 + DXVA_CONTEXT_REPORT_ID(avctx, ctx)++;
132  pp->CurrFieldOrderCnt[0] = 0;
133  if ((h->picture_structure & PICT_TOP_FIELD) &&
134  current_picture->field_poc[0] != INT_MAX)
135  pp->CurrFieldOrderCnt[0] = current_picture->field_poc[0];
136  pp->CurrFieldOrderCnt[1] = 0;
138  current_picture->field_poc[1] != INT_MAX)
139  pp->CurrFieldOrderCnt[1] = current_picture->field_poc[1];
140  pp->pic_init_qs_minus26 = pps->init_qs - 26;
141  pp->chroma_qp_index_offset = pps->chroma_qp_index_offset[0];
142  pp->second_chroma_qp_index_offset = pps->chroma_qp_index_offset[1];
143  pp->ContinuationFlag = 1;
144  pp->pic_init_qp_minus26 = pps->init_qp - 26;
145  pp->num_ref_idx_l0_active_minus1 = pps->ref_count[0] - 1;
146  pp->num_ref_idx_l1_active_minus1 = pps->ref_count[1] - 1;
147  pp->Reserved8BitsA = 0;
148  pp->frame_num = h->poc.frame_num;
149  pp->log2_max_frame_num_minus4 = sps->log2_max_frame_num - 4;
150  pp->pic_order_cnt_type = sps->poc_type;
151  if (sps->poc_type == 0)
152  pp->log2_max_pic_order_cnt_lsb_minus4 = sps->log2_max_poc_lsb - 4;
153  else if (sps->poc_type == 1)
154  pp->delta_pic_order_always_zero_flag = sps->delta_pic_order_always_zero_flag;
155  pp->direct_8x8_inference_flag = sps->direct_8x8_inference_flag;
156  pp->entropy_coding_mode_flag = pps->cabac;
157  pp->pic_order_present_flag = pps->pic_order_present;
158  pp->num_slice_groups_minus1 = pps->slice_group_count - 1;
159  pp->slice_group_map_type = pps->mb_slice_group_map_type;
160  pp->deblocking_filter_control_present_flag = pps->deblocking_filter_parameters_present;
161  pp->redundant_pic_cnt_present_flag= pps->redundant_pic_cnt_present;
162  pp->Reserved8BitsB = 0;
163  pp->slice_group_change_rate_minus1= 0; /* XXX not implemented by FFmpeg */
164  //pp->SliceGroupMap[810]; /* XXX not implemented by FFmpeg */
165 }
166 
167 static void fill_scaling_lists(const AVCodecContext *avctx, AVDXVAContext *ctx, const H264Context *h, DXVA_Qmatrix_H264 *qm)
168 {
169  const PPS *pps = h->ps.pps;
170  unsigned i, j;
171  memset(qm, 0, sizeof(*qm));
172  if (DXVA_CONTEXT_WORKAROUND(avctx, ctx) & FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG) {
173  for (i = 0; i < 6; i++)
174  for (j = 0; j < 16; j++)
175  qm->bScalingLists4x4[i][j] = pps->scaling_matrix4[i][j];
176 
177  for (i = 0; i < 64; i++) {
178  qm->bScalingLists8x8[0][i] = pps->scaling_matrix8[0][i];
179  qm->bScalingLists8x8[1][i] = pps->scaling_matrix8[3][i];
180  }
181  } else {
182  for (i = 0; i < 6; i++)
183  for (j = 0; j < 16; j++)
184  qm->bScalingLists4x4[i][j] = pps->scaling_matrix4[i][ff_zigzag_scan[j]];
185 
186  for (i = 0; i < 64; i++) {
187  qm->bScalingLists8x8[0][i] = pps->scaling_matrix8[0][ff_zigzag_direct[i]];
188  qm->bScalingLists8x8[1][i] = pps->scaling_matrix8[3][ff_zigzag_direct[i]];
189  }
190  }
191 }
192 
193 static int is_slice_short(const AVCodecContext *avctx, AVDXVAContext *ctx)
194 {
195  assert(DXVA_CONTEXT_CFG_BITSTREAM(avctx, ctx) == 1 ||
196  DXVA_CONTEXT_CFG_BITSTREAM(avctx, ctx) == 2);
197  return DXVA_CONTEXT_CFG_BITSTREAM(avctx, ctx) == 2;
198 }
199 
200 static void fill_slice_short(DXVA_Slice_H264_Short *slice,
201  unsigned position, unsigned size)
202 {
203  memset(slice, 0, sizeof(*slice));
204  slice->BSNALunitDataLocation = position;
205  slice->SliceBytesInBuffer = size;
206  slice->wBadSliceChopping = 0;
207 }
208 
209 static int get_refpic_index(const DXVA_PicParams_H264 *pp, int surface_index)
210 {
211  int i;
212  for (i = 0; i < FF_ARRAY_ELEMS(pp->RefFrameList); i++) {
213  if ((pp->RefFrameList[i].bPicEntry & 0x7f) == surface_index)
214  return i;
215  }
216  return 0x7f;
217 }
218 
219 static void fill_slice_long(AVCodecContext *avctx, DXVA_Slice_H264_Long *slice,
220  const DXVA_PicParams_H264 *pp, unsigned position, unsigned size)
221 {
222  const H264Context *h = avctx->priv_data;
223  H264SliceContext *sl = &h->slice_ctx[0];
225  unsigned list;
226 
227  memset(slice, 0, sizeof(*slice));
228  slice->BSNALunitDataLocation = position;
229  slice->SliceBytesInBuffer = size;
230  slice->wBadSliceChopping = 0;
231 
232  slice->first_mb_in_slice = (sl->mb_y >> FIELD_OR_MBAFF_PICTURE(h)) * h->mb_width + sl->mb_x;
233  slice->NumMbsForSlice = 0; /* XXX it is set once we have all slices */
234  slice->BitOffsetToSliceData = get_bits_count(&sl->gb) - 8;
235  slice->slice_type = ff_h264_get_slice_type(sl);
236  if (sl->slice_type_fixed)
237  slice->slice_type += 5;
238  slice->luma_log2_weight_denom = sl->pwt.luma_log2_weight_denom;
239  slice->chroma_log2_weight_denom = sl->pwt.chroma_log2_weight_denom;
240  if (sl->list_count > 0)
241  slice->num_ref_idx_l0_active_minus1 = sl->ref_count[0] - 1;
242  if (sl->list_count > 1)
243  slice->num_ref_idx_l1_active_minus1 = sl->ref_count[1] - 1;
244  slice->slice_alpha_c0_offset_div2 = sl->slice_alpha_c0_offset / 2;
245  slice->slice_beta_offset_div2 = sl->slice_beta_offset / 2;
246  slice->Reserved8Bits = 0;
247 
248  for (list = 0; list < 2; list++) {
249  unsigned i;
250  for (i = 0; i < FF_ARRAY_ELEMS(slice->RefPicList[list]); i++) {
251  if (list < sl->list_count && i < sl->ref_count[list]) {
252  const H264Picture *r = sl->ref_list[list][i].parent;
253  unsigned plane;
254  unsigned index;
255  if (DXVA_CONTEXT_WORKAROUND(avctx, ctx) & FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO)
256  index = ff_dxva2_get_surface_index(avctx, ctx, r->f);
257  else
258  index = get_refpic_index(pp, ff_dxva2_get_surface_index(avctx, ctx, r->f));
259  fill_picture_entry(&slice->RefPicList[list][i], index,
260  sl->ref_list[list][i].reference == PICT_BOTTOM_FIELD);
261  for (plane = 0; plane < 3; plane++) {
262  int w, o;
263  if (plane == 0 && sl->pwt.luma_weight_flag[list]) {
264  w = sl->pwt.luma_weight[i][list][0];
265  o = sl->pwt.luma_weight[i][list][1];
266  } else if (plane >= 1 && sl->pwt.chroma_weight_flag[list]) {
267  w = sl->pwt.chroma_weight[i][list][plane-1][0];
268  o = sl->pwt.chroma_weight[i][list][plane-1][1];
269  } else {
270  w = 1 << (plane == 0 ? sl->pwt.luma_log2_weight_denom :
272  o = 0;
273  }
274  slice->Weights[list][i][plane][0] = w;
275  slice->Weights[list][i][plane][1] = o;
276  }
277  } else {
278  unsigned plane;
279  slice->RefPicList[list][i].bPicEntry = 0xff;
280  for (plane = 0; plane < 3; plane++) {
281  slice->Weights[list][i][plane][0] = 0;
282  slice->Weights[list][i][plane][1] = 0;
283  }
284  }
285  }
286  }
287  slice->slice_qs_delta = 0; /* XXX not implemented by FFmpeg */
288  slice->slice_qp_delta = sl->qscale - h->ps.pps->init_qp;
289  slice->redundant_pic_cnt = sl->redundant_pic_count;
290  if (sl->slice_type == AV_PICTURE_TYPE_B)
291  slice->direct_spatial_mv_pred_flag = sl->direct_spatial_mv_pred;
292  slice->cabac_init_idc = h->ps.pps->cabac ? sl->cabac_init_idc : 0;
293  if (sl->deblocking_filter < 2)
294  slice->disable_deblocking_filter_idc = 1 - sl->deblocking_filter;
295  else
296  slice->disable_deblocking_filter_idc = sl->deblocking_filter;
297  slice->slice_id = h->current_slice - 1;
298 }
299 
303 {
304  const H264Context *h = avctx->priv_data;
305  const unsigned mb_count = h->mb_width * h->mb_height;
307  const H264Picture *current_picture = h->cur_pic_ptr;
308  struct dxva2_picture_context *ctx_pic = current_picture->hwaccel_picture_private;
309  DXVA_Slice_H264_Short *slice = NULL;
310  void *dxva_data_ptr = NULL;
311  uint8_t *dxva_data, *current, *end;
312  unsigned dxva_size = 0;
313  void *slice_data;
314  unsigned slice_size;
315  unsigned padding;
316  unsigned i;
317  unsigned type;
318 
319  /* Create an annex B bitstream buffer with only slice NAL and finalize slice */
320 #if CONFIG_D3D11VA
321  if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD) {
322  type = D3D11_VIDEO_DECODER_BUFFER_BITSTREAM;
323  if (FAILED(ID3D11VideoContext_GetDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context,
324  D3D11VA_CONTEXT(ctx)->decoder,
325  type,
326  &dxva_size, &dxva_data_ptr)))
327  return -1;
328  }
329 #endif
330 #if CONFIG_DXVA2
331  if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
332  type = DXVA2_BitStreamDateBufferType;
333  if (FAILED(IDirectXVideoDecoder_GetBuffer(DXVA2_CONTEXT(ctx)->decoder,
334  type,
335  &dxva_data_ptr, &dxva_size)))
336  return -1;
337  }
338 #endif
339 
340  dxva_data = dxva_data_ptr;
341  current = dxva_data;
342  end = dxva_data + dxva_size;
343 
344  for (i = 0; i < ctx_pic->slice_count; i++) {
345  static const uint8_t start_code[] = { 0, 0, 1 };
346  static const unsigned start_code_size = sizeof(start_code);
347  unsigned position, size;
348 
349  assert(offsetof(DXVA_Slice_H264_Short, BSNALunitDataLocation) ==
350  offsetof(DXVA_Slice_H264_Long, BSNALunitDataLocation));
351  assert(offsetof(DXVA_Slice_H264_Short, SliceBytesInBuffer) ==
352  offsetof(DXVA_Slice_H264_Long, SliceBytesInBuffer));
353 
354  if (is_slice_short(avctx, ctx))
355  slice = &ctx_pic->slice_short[i];
356  else
357  slice = (DXVA_Slice_H264_Short*)&ctx_pic->slice_long[i];
358 
359  position = slice->BSNALunitDataLocation;
360  size = slice->SliceBytesInBuffer;
361  if (start_code_size + size > end - current) {
362  av_log(avctx, AV_LOG_ERROR, "Failed to build bitstream");
363  break;
364  }
365 
366  slice->BSNALunitDataLocation = current - dxva_data;
367  slice->SliceBytesInBuffer = start_code_size + size;
368 
369  if (!is_slice_short(avctx, ctx)) {
370  DXVA_Slice_H264_Long *slice_long = (DXVA_Slice_H264_Long*)slice;
371  if (i < ctx_pic->slice_count - 1)
372  slice_long->NumMbsForSlice =
373  slice_long[1].first_mb_in_slice - slice_long[0].first_mb_in_slice;
374  else
375  slice_long->NumMbsForSlice = mb_count - slice_long->first_mb_in_slice;
376  }
377 
378  memcpy(current, start_code, start_code_size);
379  current += start_code_size;
380 
381  memcpy(current, &ctx_pic->bitstream[position], size);
382  current += size;
383  }
384  padding = FFMIN(128 - ((current - dxva_data) & 127), end - current);
385  if (slice && padding > 0) {
386  memset(current, 0, padding);
387  current += padding;
388 
389  slice->SliceBytesInBuffer += padding;
390  }
391 #if CONFIG_D3D11VA
392  if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD)
393  if (FAILED(ID3D11VideoContext_ReleaseDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder, type)))
394  return -1;
395 #endif
396 #if CONFIG_DXVA2
397  if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
398  if (FAILED(IDirectXVideoDecoder_ReleaseBuffer(DXVA2_CONTEXT(ctx)->decoder, type)))
399  return -1;
400 #endif
401  if (i < ctx_pic->slice_count)
402  return -1;
403 
404 #if CONFIG_D3D11VA
405  if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD) {
406  D3D11_VIDEO_DECODER_BUFFER_DESC *dsc11 = bs;
407  memset(dsc11, 0, sizeof(*dsc11));
408  dsc11->BufferType = type;
409  dsc11->DataSize = current - dxva_data;
410  dsc11->NumMBsInBuffer = mb_count;
411 
412  type = D3D11_VIDEO_DECODER_BUFFER_SLICE_CONTROL;
413 
414  av_assert0((dsc11->DataSize & 127) == 0);
415  }
416 #endif
417 #if CONFIG_DXVA2
418  if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
419  DXVA2_DecodeBufferDesc *dsc2 = bs;
420  memset(dsc2, 0, sizeof(*dsc2));
421  dsc2->CompressedBufferType = type;
422  dsc2->DataSize = current - dxva_data;
423  dsc2->NumMBsInBuffer = mb_count;
424 
425  type = DXVA2_SliceControlBufferType;
426 
427  av_assert0((dsc2->DataSize & 127) == 0);
428  }
429 #endif
430 
431  if (is_slice_short(avctx, ctx)) {
432  slice_data = ctx_pic->slice_short;
433  slice_size = ctx_pic->slice_count * sizeof(*ctx_pic->slice_short);
434  } else {
435  slice_data = ctx_pic->slice_long;
436  slice_size = ctx_pic->slice_count * sizeof(*ctx_pic->slice_long);
437  }
438  return ff_dxva2_commit_buffer(avctx, ctx, sc,
439  type,
440  slice_data, slice_size, mb_count);
441 }
442 
443 
445  av_unused const uint8_t *buffer,
446  av_unused uint32_t size)
447 {
448  const H264Context *h = avctx->priv_data;
451 
452  if (DXVA_CONTEXT_DECODER(avctx, ctx) == NULL ||
453  DXVA_CONTEXT_CFG(avctx, ctx) == NULL ||
454  DXVA_CONTEXT_COUNT(avctx, ctx) <= 0)
455  return -1;
456  assert(ctx_pic);
457 
458  /* Fill up DXVA_PicParams_H264 */
459  fill_picture_parameters(avctx, ctx, h, &ctx_pic->pp);
460 
461  /* Fill up DXVA_Qmatrix_H264 */
462  fill_scaling_lists(avctx, ctx, h, &ctx_pic->qm);
463 
464  ctx_pic->slice_count = 0;
465  ctx_pic->bitstream_size = 0;
466  ctx_pic->bitstream = NULL;
467  return 0;
468 }
469 
471  const uint8_t *buffer,
472  uint32_t size)
473 {
474  const H264Context *h = avctx->priv_data;
475  const H264SliceContext *sl = &h->slice_ctx[0];
477  const H264Picture *current_picture = h->cur_pic_ptr;
478  struct dxva2_picture_context *ctx_pic = current_picture->hwaccel_picture_private;
479  unsigned position;
480 
481  if (ctx_pic->slice_count >= MAX_SLICES)
482  return -1;
483 
484  if (!ctx_pic->bitstream)
485  ctx_pic->bitstream = buffer;
486  ctx_pic->bitstream_size += size;
487 
488  position = buffer - ctx_pic->bitstream;
489  if (is_slice_short(avctx, ctx))
490  fill_slice_short(&ctx_pic->slice_short[ctx_pic->slice_count],
491  position, size);
492  else
493  fill_slice_long(avctx, &ctx_pic->slice_long[ctx_pic->slice_count],
494  &ctx_pic->pp, position, size);
495  ctx_pic->slice_count++;
496 
498  ctx_pic->pp.wBitFields &= ~(1 << 15); /* Set IntraPicFlag to 0 */
499  return 0;
500 }
501 
503 {
504  H264Context *h = avctx->priv_data;
505  H264SliceContext *sl = &h->slice_ctx[0];
506  struct dxva2_picture_context *ctx_pic =
508  int ret;
509 
510  if (ctx_pic->slice_count <= 0 || ctx_pic->bitstream_size <= 0)
511  return -1;
512  ret = ff_dxva2_common_end_frame(avctx, h->cur_pic_ptr->f,
513  &ctx_pic->pp, sizeof(ctx_pic->pp),
514  &ctx_pic->qm, sizeof(ctx_pic->qm),
516  if (!ret)
517  ff_h264_draw_horiz_band(h, sl, 0, h->avctx->height);
518  return ret;
519 }
520 
521 #if CONFIG_H264_DXVA2_HWACCEL
522 AVHWAccel ff_h264_dxva2_hwaccel = {
523  .name = "h264_dxva2",
524  .type = AVMEDIA_TYPE_VIDEO,
525  .id = AV_CODEC_ID_H264,
526  .pix_fmt = AV_PIX_FMT_DXVA2_VLD,
527  .start_frame = dxva2_h264_start_frame,
528  .decode_slice = dxva2_h264_decode_slice,
529  .end_frame = dxva2_h264_end_frame,
530  .frame_priv_data_size = sizeof(struct dxva2_picture_context),
531 };
532 #endif
533 
534 #if CONFIG_H264_D3D11VA_HWACCEL
535 AVHWAccel ff_h264_d3d11va_hwaccel = {
536  .name = "h264_d3d11va",
537  .type = AVMEDIA_TYPE_VIDEO,
538  .id = AV_CODEC_ID_H264,
539  .pix_fmt = AV_PIX_FMT_D3D11VA_VLD,
540  .start_frame = dxva2_h264_start_frame,
541  .decode_slice = dxva2_h264_decode_slice,
542  .end_frame = dxva2_h264_end_frame,
543  .frame_priv_data_size = sizeof(struct dxva2_picture_context),
544 };
545 #endif
int chroma_format_idc
Definition: h264.h:140
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:289
H264POCContext poc
Definition: h264.h:578
int weighted_bipred_idc
Definition: h264.h:208
int chroma_qp_index_offset[2]
Definition: h264.h:211
int luma_weight_flag[2]
7.4.3.2 luma_weight_lX_flag
Definition: h264_parse.h:34
int chroma_weight[48][2][2][2]
Definition: h264_parse.h:38
Sequence parameter set.
Definition: h264.h:136
unsigned int ref_count[2]
num_ref_idx_l0/1_active_minus1 + 1
Definition: h264.h:206
int flag
Definition: cpu.c:34
Picture parameter set.
Definition: h264.h:200
void ff_h264_draw_horiz_band(const H264Context *h, H264SliceContext *sl, int y, int height)
Definition: h264.c:102
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:1876
int frame_mbs_only_flag
Definition: h264.h:153
int mb_height
Definition: h264.h:555
DXVA_PicParams_H264 pp
Definition: dxva2_h264.c:35
H264Context.
Definition: h264.h:456
AVFrame * f
Definition: h264.h:264
H264Picture * long_ref[32]
Definition: h264.h:592
int picture_structure
Definition: h264.h:528
unsigned int ref_count[2]
num_ref_idx_l0/1_active_minus1 + 1
Definition: h264.h:404
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:219
DXVA_SliceInfo slice[MAX_SLICES]
Definition: dxva2_mpeg2.c:37
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
uint8_t scaling_matrix4[6][16]
Definition: h264.h:216
int deblocking_filter_parameters_present
deblocking_filter_parameters_present_flag
Definition: h264.h:212
const PPS * pps
Definition: h264.h:236
uint8_t
void * hwaccel_context
Hardware accelerator context.
Definition: avcodec.h:2979
int slice_alpha_c0_offset
Definition: h264.h:333
int bit_depth_chroma
bit_depth_chroma_minus8 + 8
Definition: h264.h:190
static av_cold int end(AVCodecContext *avctx)
Definition: avrndec.c:90
int slice_type
Definition: h264.h:322
int chroma_weight_flag[2]
7.4.3.2 chroma_weight_lX_flag
Definition: h264_parse.h:35
static int is_slice_short(const AVCodecContext *avctx, AVDXVAContext *ctx)
Definition: dxva2_h264.c:193
int cabac
entropy_coding_mode_flag
Definition: h264.h:202
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:199
int redundant_pic_cnt_present
redundant_pic_cnt_present_flag
Definition: h264.h:214
ptrdiff_t size
Definition: opengl_enc.c:101
int luma_weight[48][2][2]
Definition: h264_parse.h:37
H264Picture * parent
Definition: h264.h:313
#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
H.264 / AVC / MPEG-4 part10 codec.
int mb_aff
mb_adaptive_frame_field_flag
Definition: h264.h:154
int chroma_log2_weight_denom
Definition: h264_parse.h:33
#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:143
int constrained_intra_pred
constrained_intra_pred_flag
Definition: h264.h:213
void * hwaccel_picture_private
hardware accelerator private data
Definition: h264.h:277
const char * r
Definition: vf_curves.c:107
const uint8_t ff_zigzag_scan[16+1]
Definition: mathtables.c:109
int deblocking_filter
disable_deblocking_filter_idc with 1 <-> 0
Definition: h264.h:332
simple assert() macros that are a bit more flexible than ISO C assert().
int weighted_pred
weighted_pred_flag
Definition: h264.h:207
#define PICT_TOP_FIELD
Definition: mpegutils.h:37
int direct_spatial_mv_pred
Definition: h264.h:388
int frame_num
frame_num (raw frame_num from slice header)
Definition: h264.h:284
#define MAX_SLICES
Definition: dxva2_hevc.c:32
int residual_color_transform_flag
residual_colour_transform_flag
Definition: h264.h:191
int delta_pic_order_always_zero_flag
Definition: h264.h:145
#define FIELD_OR_MBAFF_PICTURE(h)
Definition: h264.h:95
static void fill_picture_parameters(const AVCodecContext *avctx, AVDXVAContext *ctx, const H264Context *h, DXVA_PicParams_H264 *pp)
Definition: dxva2_h264.c:51
uint8_t scaling_matrix8[6][64]
Definition: h264.h:217
int ref_frame_count
num_ref_frames
Definition: h264.h:149
const char * name
Name of the hardware accelerated codec.
Definition: avcodec.h:3667
#define FFMIN(a, b)
Definition: common.h:96
int reference
Definition: h264.h:295
static const chunk_decoder decoder[8]
Definition: dfa.c:327
int redundant_pic_count
Definition: h264.h:381
#define FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO
Work around for Direct3D11 and old Intel GPUs with ClearVideo interface.
Definition: d3d11va.h:49
H264PredWeightTable pwt
Definition: h264.h:336
AVFormatContext * ctx
Definition: movenc.c:48
int init_qp
pic_init_qp_minus26 + 26
Definition: h264.h:209
H264SliceContext * slice_ctx
Definition: h264.h:470
int direct_8x8_inference_flag
Definition: h264.h:155
int reference
Definition: h264.h:309
unsigned bitstream_size
Definition: dxva2_h264.c:41
#define FF_ARRAY_ELEMS(a)
DXVA_Slice_H264_Long slice_long[MAX_SLICES]
Definition: dxva2_h264.c:39
int ff_h264_get_slice_type(const H264SliceContext *sl)
Reconstruct bitstream slice_type.
Definition: h264_slice.c:1812
int pic_order_present
pic_order_present_flag
Definition: h264.h:203
static void fill_slice_short(DXVA_Slice_H264_Short *slice, unsigned position, unsigned size)
Definition: dxva2_h264.c:200
static int get_refpic_index(const DXVA_PicParams_H264 *pp, int surface_index)
Definition: dxva2_h264.c:209
AVCodecContext * avctx
Definition: h264.h:458
H264Picture * short_ref[32]
Definition: h264.h:591
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:282
main external API structure.
Definition: avcodec.h:1648
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:466
static void fill_scaling_lists(const AVCodecContext *avctx, AVDXVAContext *ctx, const H264Context *h, DXVA_Qmatrix_H264 *qm)
Definition: dxva2_h264.c:167
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:144
HW decoding through DXVA2, Picture.data[3] contains a LPDIRECT3DSURFACE9 pointer. ...
Definition: pixfmt.h:148
static int dxva2_h264_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
Definition: dxva2_h264.c:470
static const uint8_t start_code[]
Definition: h264.c:806
int transform_8x8_mode
transform_8x8_mode_flag
Definition: h264.h:215
unsigned int list_count
Definition: h264.h:405
#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:300
const uint8_t * bitstream
Definition: dxva2_h264.c:40
int init_qs
pic_init_qs_minus26 + 26
Definition: h264.h:210
int pic_id
pic_num (short -> no wrap version of pic_num, pic_num & max_pic_num; long -> long_pic_num) ...
Definition: h264.h:287
if(ret< 0)
Definition: vf_mcdeint.c:282
int log2_max_frame_num
log2_max_frame_num_minus4 + 4
Definition: h264.h:142
H264ParamSets ps
Definition: h264.h:574
Bi-dir predicted.
Definition: avutil.h:268
int bit_depth_luma
bit_depth_luma_minus8 + 8
Definition: h264.h:189
static int dxva2_h264_start_frame(AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused uint32_t size)
Definition: dxva2_h264.c:444
static int dxva2_h264_end_frame(AVCodecContext *avctx)
Definition: dxva2_h264.c:502
void * priv_data
Definition: avcodec.h:1690
#define PICT_FRAME
Definition: mpegutils.h:39
int mb_width
Definition: h264.h:555
int current_slice
current slice number, used to initialize slice_num of each thread/context
Definition: h264.h:615
int slice_group_count
num_slice_groups_minus1 + 1
Definition: h264.h:204
H264Ref ref_list[2][48]
0..15: frame refs, 16..47: mbaff field refs.
Definition: h264.h:406
SPS * sps
Definition: h264.h:238
int slice_type_fixed
Definition: h264.h:324
HW decoding through Direct3D11, Picture.data[3] contains a ID3D11VideoDecoderOutputView pointer...
Definition: pixfmt.h:242
int slice_beta_offset
Definition: h264.h:334
int level_idc
Definition: h264.h:139
DXVA_Slice_H264_Short slice_short[MAX_SLICES]
Definition: dxva2_h264.c:38
int nal_ref_idc
Definition: h264.h:562
GetBitContext gb
Definition: h264.h:318
int cabac_init_idc
Definition: h264.h:450
for(j=16;j >0;--j)
static void fill_picture_entry(DXVA_PicEntry_H264 *pic, unsigned index, unsigned flag)
Definition: dxva2_h264.c:44
GLuint buffer
Definition: opengl_enc.c:102
#define av_unused
Definition: attributes.h:126
int short_ref_count
number of actual short term references
Definition: h264.h:606
int mb_slice_group_map_type
Definition: h264.h:205
DXVA_Qmatrix_H264 qm
Definition: dxva2_h264.c:36