lavc/aacsbr: fix make checkheaders warning
[ffmpeg.git] / libavcodec / dxva2_h264.c
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 "dxva2_internal.h"
26 #include "h264dec.h"
27 #include "h264data.h"
28 #include "h264_ps.h"
29 #include "mpegutils.h"
30
31 struct dxva2_picture_context {
32     DXVA_PicParams_H264   pp;
33     DXVA_Qmatrix_H264     qm;
34     unsigned              slice_count;
35     DXVA_Slice_H264_Short slice_short[MAX_SLICES];
36     DXVA_Slice_H264_Long  slice_long[MAX_SLICES];
37     const uint8_t         *bitstream;
38     unsigned              bitstream_size;
39 };
40
41 static void fill_picture_entry(DXVA_PicEntry_H264 *pic,
42                                unsigned index, unsigned flag)
43 {
44     assert((index&0x7f) == index && (flag&0x01) == flag);
45     pic->bPicEntry = index | (flag << 7);
46 }
47
48 static void fill_picture_parameters(const AVCodecContext *avctx, AVDXVAContext *ctx, const H264Context *h,
49                                     DXVA_PicParams_H264 *pp)
50 {
51     const H264Picture *current_picture = h->cur_pic_ptr;
52     const SPS *sps = h->ps.sps;
53     const PPS *pps = h->ps.pps;
54     int i, j;
55
56     memset(pp, 0, sizeof(*pp));
57     /* Configure current picture */
58     fill_picture_entry(&pp->CurrPic,
59                        ff_dxva2_get_surface_index(avctx, ctx, current_picture->f),
60                        h->picture_structure == PICT_BOTTOM_FIELD);
61     /* Configure the set of references */
62     pp->UsedForReferenceFlags  = 0;
63     pp->NonExistingFrameFlags  = 0;
64     for (i = 0, j = 0; i < FF_ARRAY_ELEMS(pp->RefFrameList); i++) {
65         const H264Picture *r;
66         if (j < h->short_ref_count) {
67             r = h->short_ref[j++];
68         } else {
69             r = NULL;
70             while (!r && j < h->short_ref_count + 16)
71                 r = h->long_ref[j++ - h->short_ref_count];
72         }
73         if (r) {
74             fill_picture_entry(&pp->RefFrameList[i],
75                                ff_dxva2_get_surface_index(avctx, ctx, r->f),
76                                r->long_ref != 0);
77
78             if ((r->reference & PICT_TOP_FIELD) && r->field_poc[0] != INT_MAX)
79                 pp->FieldOrderCntList[i][0] = r->field_poc[0];
80             if ((r->reference & PICT_BOTTOM_FIELD) && r->field_poc[1] != INT_MAX)
81                 pp->FieldOrderCntList[i][1] = r->field_poc[1];
82
83             pp->FrameNumList[i] = r->long_ref ? r->pic_id : r->frame_num;
84             if (r->reference & PICT_TOP_FIELD)
85                 pp->UsedForReferenceFlags |= 1 << (2*i + 0);
86             if (r->reference & PICT_BOTTOM_FIELD)
87                 pp->UsedForReferenceFlags |= 1 << (2*i + 1);
88         } else {
89             pp->RefFrameList[i].bPicEntry = 0xff;
90             pp->FieldOrderCntList[i][0]   = 0;
91             pp->FieldOrderCntList[i][1]   = 0;
92             pp->FrameNumList[i]           = 0;
93         }
94     }
95
96     pp->wFrameWidthInMbsMinus1        = h->mb_width  - 1;
97     pp->wFrameHeightInMbsMinus1       = h->mb_height - 1;
98     pp->num_ref_frames                = sps->ref_frame_count;
99
100     pp->wBitFields                    = ((h->picture_structure != PICT_FRAME) <<  0) |
101                                         ((sps->mb_aff &&
102                                         (h->picture_structure == PICT_FRAME)) <<  1) |
103                                         (sps->residual_color_transform_flag   <<  2) |
104                                         /* sp_for_switch_flag (not implemented by FFmpeg) */
105                                         (0                                    <<  3) |
106                                         (sps->chroma_format_idc               <<  4) |
107                                         ((h->nal_ref_idc != 0)                <<  6) |
108                                         (pps->constrained_intra_pred          <<  7) |
109                                         (pps->weighted_pred                   <<  8) |
110                                         (pps->weighted_bipred_idc             <<  9) |
111                                         /* MbsConsecutiveFlag */
112                                         (1                                    << 11) |
113                                         (sps->frame_mbs_only_flag             << 12) |
114                                         (pps->transform_8x8_mode              << 13) |
115                                         ((sps->level_idc >= 31)               << 14) |
116                                         /* IntraPicFlag (Modified if we detect a non
117                                          * intra slice in dxva2_h264_decode_slice) */
118                                         (1                                    << 15);
119
120     pp->bit_depth_luma_minus8         = sps->bit_depth_luma - 8;
121     pp->bit_depth_chroma_minus8       = sps->bit_depth_chroma - 8;
122     if (DXVA_CONTEXT_WORKAROUND(avctx, ctx) & FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG)
123         pp->Reserved16Bits            = 0;
124     else if (DXVA_CONTEXT_WORKAROUND(avctx, ctx) & FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO)
125         pp->Reserved16Bits            = 0x34c;
126     else
127         pp->Reserved16Bits            = 3; /* FIXME is there a way to detect the right mode ? */
128     pp->StatusReportFeedbackNumber    = 1 + DXVA_CONTEXT_REPORT_ID(avctx, ctx)++;
129     pp->CurrFieldOrderCnt[0] = 0;
130     if ((h->picture_structure & PICT_TOP_FIELD) &&
131         current_picture->field_poc[0] != INT_MAX)
132         pp->CurrFieldOrderCnt[0] = current_picture->field_poc[0];
133     pp->CurrFieldOrderCnt[1] = 0;
134     if ((h->picture_structure & PICT_BOTTOM_FIELD) &&
135         current_picture->field_poc[1] != INT_MAX)
136         pp->CurrFieldOrderCnt[1] = current_picture->field_poc[1];
137     pp->pic_init_qs_minus26           = pps->init_qs - 26;
138     pp->chroma_qp_index_offset        = pps->chroma_qp_index_offset[0];
139     pp->second_chroma_qp_index_offset = pps->chroma_qp_index_offset[1];
140     pp->ContinuationFlag              = 1;
141     pp->pic_init_qp_minus26           = pps->init_qp - 26;
142     pp->num_ref_idx_l0_active_minus1  = pps->ref_count[0] - 1;
143     pp->num_ref_idx_l1_active_minus1  = pps->ref_count[1] - 1;
144     pp->Reserved8BitsA                = 0;
145     pp->frame_num                     = h->poc.frame_num;
146     pp->log2_max_frame_num_minus4     = sps->log2_max_frame_num - 4;
147     pp->pic_order_cnt_type            = sps->poc_type;
148     if (sps->poc_type == 0)
149         pp->log2_max_pic_order_cnt_lsb_minus4 = sps->log2_max_poc_lsb - 4;
150     else if (sps->poc_type == 1)
151         pp->delta_pic_order_always_zero_flag = sps->delta_pic_order_always_zero_flag;
152     pp->direct_8x8_inference_flag     = sps->direct_8x8_inference_flag;
153     pp->entropy_coding_mode_flag      = pps->cabac;
154     pp->pic_order_present_flag        = pps->pic_order_present;
155     pp->num_slice_groups_minus1       = pps->slice_group_count - 1;
156     pp->slice_group_map_type          = pps->mb_slice_group_map_type;
157     pp->deblocking_filter_control_present_flag = pps->deblocking_filter_parameters_present;
158     pp->redundant_pic_cnt_present_flag= pps->redundant_pic_cnt_present;
159     pp->Reserved8BitsB                = 0;
160     pp->slice_group_change_rate_minus1= 0;  /* XXX not implemented by FFmpeg */
161     //pp->SliceGroupMap[810];               /* XXX not implemented by FFmpeg */
162 }
163
164 static void fill_scaling_lists(const AVCodecContext *avctx, AVDXVAContext *ctx, const H264Context *h, DXVA_Qmatrix_H264 *qm)
165 {
166     const PPS *pps = h->ps.pps;
167     unsigned i, j;
168     memset(qm, 0, sizeof(*qm));
169     if (DXVA_CONTEXT_WORKAROUND(avctx, ctx) & FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG) {
170         for (i = 0; i < 6; i++)
171             for (j = 0; j < 16; j++)
172                 qm->bScalingLists4x4[i][j] = pps->scaling_matrix4[i][j];
173
174         for (i = 0; i < 64; i++) {
175             qm->bScalingLists8x8[0][i] = pps->scaling_matrix8[0][i];
176             qm->bScalingLists8x8[1][i] = pps->scaling_matrix8[3][i];
177         }
178     } else {
179         for (i = 0; i < 6; i++)
180             for (j = 0; j < 16; j++)
181                 qm->bScalingLists4x4[i][j] = pps->scaling_matrix4[i][ff_zigzag_scan[j]];
182
183         for (i = 0; i < 64; i++) {
184             qm->bScalingLists8x8[0][i] = pps->scaling_matrix8[0][ff_zigzag_direct[i]];
185             qm->bScalingLists8x8[1][i] = pps->scaling_matrix8[3][ff_zigzag_direct[i]];
186         }
187     }
188 }
189
190 static int is_slice_short(const AVCodecContext *avctx, AVDXVAContext *ctx)
191 {
192     assert(DXVA_CONTEXT_CFG_BITSTREAM(avctx, ctx) == 1 ||
193            DXVA_CONTEXT_CFG_BITSTREAM(avctx, ctx) == 2);
194     return DXVA_CONTEXT_CFG_BITSTREAM(avctx, ctx) == 2;
195 }
196
197 static void fill_slice_short(DXVA_Slice_H264_Short *slice,
198                              unsigned position, unsigned size)
199 {
200     memset(slice, 0, sizeof(*slice));
201     slice->BSNALunitDataLocation = position;
202     slice->SliceBytesInBuffer    = size;
203     slice->wBadSliceChopping     = 0;
204 }
205
206 static int get_refpic_index(const DXVA_PicParams_H264 *pp, int surface_index)
207 {
208     int i;
209     for (i = 0; i < FF_ARRAY_ELEMS(pp->RefFrameList); i++) {
210         if ((pp->RefFrameList[i].bPicEntry & 0x7f) == surface_index)
211           return i;
212     }
213     return 0x7f;
214 }
215
216 static void fill_slice_long(AVCodecContext *avctx, DXVA_Slice_H264_Long *slice,
217                             const DXVA_PicParams_H264 *pp, unsigned position, unsigned size)
218 {
219     const H264Context *h = avctx->priv_data;
220     H264SliceContext *sl = &h->slice_ctx[0];
221     AVDXVAContext *ctx = DXVA_CONTEXT(avctx);
222     unsigned list;
223
224     memset(slice, 0, sizeof(*slice));
225     slice->BSNALunitDataLocation = position;
226     slice->SliceBytesInBuffer    = size;
227     slice->wBadSliceChopping     = 0;
228
229     slice->first_mb_in_slice     = (sl->mb_y >> FIELD_OR_MBAFF_PICTURE(h)) * h->mb_width + sl->mb_x;
230     slice->NumMbsForSlice        = 0; /* XXX it is set once we have all slices */
231     slice->BitOffsetToSliceData  = get_bits_count(&sl->gb) - 8;
232     slice->slice_type            = ff_h264_get_slice_type(sl);
233     if (sl->slice_type_fixed)
234         slice->slice_type += 5;
235     slice->luma_log2_weight_denom       = sl->pwt.luma_log2_weight_denom;
236     slice->chroma_log2_weight_denom     = sl->pwt.chroma_log2_weight_denom;
237     if (sl->list_count > 0)
238         slice->num_ref_idx_l0_active_minus1 = sl->ref_count[0] - 1;
239     if (sl->list_count > 1)
240         slice->num_ref_idx_l1_active_minus1 = sl->ref_count[1] - 1;
241     slice->slice_alpha_c0_offset_div2   = sl->slice_alpha_c0_offset / 2;
242     slice->slice_beta_offset_div2       = sl->slice_beta_offset     / 2;
243     slice->Reserved8Bits                = 0;
244
245     for (list = 0; list < 2; list++) {
246         unsigned i;
247         for (i = 0; i < FF_ARRAY_ELEMS(slice->RefPicList[list]); i++) {
248             if (list < sl->list_count && i < sl->ref_count[list]) {
249                 const H264Picture *r = sl->ref_list[list][i].parent;
250                 unsigned plane;
251                 unsigned index;
252                 if (DXVA_CONTEXT_WORKAROUND(avctx, ctx) & FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO)
253                     index = ff_dxva2_get_surface_index(avctx, ctx, r->f);
254                 else
255                     index = get_refpic_index(pp, ff_dxva2_get_surface_index(avctx, ctx, r->f));
256                 fill_picture_entry(&slice->RefPicList[list][i], index,
257                                    sl->ref_list[list][i].reference == PICT_BOTTOM_FIELD);
258                 for (plane = 0; plane < 3; plane++) {
259                     int w, o;
260                     if (plane == 0 && sl->pwt.luma_weight_flag[list]) {
261                         w = sl->pwt.luma_weight[i][list][0];
262                         o = sl->pwt.luma_weight[i][list][1];
263                     } else if (plane >= 1 && sl->pwt.chroma_weight_flag[list]) {
264                         w = sl->pwt.chroma_weight[i][list][plane-1][0];
265                         o = sl->pwt.chroma_weight[i][list][plane-1][1];
266                     } else {
267                         w = 1 << (plane == 0 ? sl->pwt.luma_log2_weight_denom :
268                                                sl->pwt.chroma_log2_weight_denom);
269                         o = 0;
270                     }
271                     slice->Weights[list][i][plane][0] = w;
272                     slice->Weights[list][i][plane][1] = o;
273                 }
274             } else {
275                 unsigned plane;
276                 slice->RefPicList[list][i].bPicEntry = 0xff;
277                 for (plane = 0; plane < 3; plane++) {
278                     slice->Weights[list][i][plane][0] = 0;
279                     slice->Weights[list][i][plane][1] = 0;
280                 }
281             }
282         }
283     }
284     slice->slice_qs_delta    = 0; /* XXX not implemented by FFmpeg */
285     slice->slice_qp_delta    = sl->qscale - h->ps.pps->init_qp;
286     slice->redundant_pic_cnt = sl->redundant_pic_count;
287     if (sl->slice_type == AV_PICTURE_TYPE_B)
288         slice->direct_spatial_mv_pred_flag = sl->direct_spatial_mv_pred;
289     slice->cabac_init_idc = h->ps.pps->cabac ? sl->cabac_init_idc : 0;
290     if (sl->deblocking_filter < 2)
291         slice->disable_deblocking_filter_idc = 1 - sl->deblocking_filter;
292     else
293         slice->disable_deblocking_filter_idc = sl->deblocking_filter;
294     slice->slice_id = h->current_slice - 1;
295 }
296
297 static int commit_bitstream_and_slice_buffer(AVCodecContext *avctx,
298                                              DECODER_BUFFER_DESC *bs,
299                                              DECODER_BUFFER_DESC *sc)
300 {
301     const H264Context *h = avctx->priv_data;
302     const unsigned mb_count = h->mb_width * h->mb_height;
303     AVDXVAContext *ctx = DXVA_CONTEXT(avctx);
304     const H264Picture *current_picture = h->cur_pic_ptr;
305     struct dxva2_picture_context *ctx_pic = current_picture->hwaccel_picture_private;
306     DXVA_Slice_H264_Short *slice = NULL;
307     void     *dxva_data_ptr = NULL;
308     uint8_t  *dxva_data, *current, *end;
309     unsigned dxva_size = 0;
310     void     *slice_data;
311     unsigned slice_size;
312     unsigned padding;
313     unsigned i;
314     unsigned type;
315
316     /* Create an annex B bitstream buffer with only slice NAL and finalize slice */
317 #if CONFIG_D3D11VA
318     if (ff_dxva2_is_d3d11(avctx)) {
319         type = D3D11_VIDEO_DECODER_BUFFER_BITSTREAM;
320         if (FAILED(ID3D11VideoContext_GetDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context,
321                                                        D3D11VA_CONTEXT(ctx)->decoder,
322                                                        type,
323                                                        &dxva_size, &dxva_data_ptr)))
324             return -1;
325     }
326 #endif
327 #if CONFIG_DXVA2
328     if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
329         type = DXVA2_BitStreamDateBufferType;
330         if (FAILED(IDirectXVideoDecoder_GetBuffer(DXVA2_CONTEXT(ctx)->decoder,
331                                                   type,
332                                                   &dxva_data_ptr, &dxva_size)))
333             return -1;
334     }
335 #endif
336
337     dxva_data = dxva_data_ptr;
338     current = dxva_data;
339     end = dxva_data + dxva_size;
340
341     for (i = 0; i < ctx_pic->slice_count; i++) {
342         static const uint8_t start_code[] = { 0, 0, 1 };
343         static const unsigned start_code_size = sizeof(start_code);
344         unsigned position, size;
345
346         assert(offsetof(DXVA_Slice_H264_Short, BSNALunitDataLocation) ==
347                offsetof(DXVA_Slice_H264_Long,  BSNALunitDataLocation));
348         assert(offsetof(DXVA_Slice_H264_Short, SliceBytesInBuffer) ==
349                offsetof(DXVA_Slice_H264_Long,  SliceBytesInBuffer));
350
351         if (is_slice_short(avctx, ctx))
352             slice = &ctx_pic->slice_short[i];
353         else
354             slice = (DXVA_Slice_H264_Short*)&ctx_pic->slice_long[i];
355
356         position = slice->BSNALunitDataLocation;
357         size     = slice->SliceBytesInBuffer;
358         if (start_code_size + size > end - current) {
359             av_log(avctx, AV_LOG_ERROR, "Failed to build bitstream");
360             break;
361         }
362
363         slice->BSNALunitDataLocation = current - dxva_data;
364         slice->SliceBytesInBuffer    = start_code_size + size;
365
366         if (!is_slice_short(avctx, ctx)) {
367             DXVA_Slice_H264_Long *slice_long = (DXVA_Slice_H264_Long*)slice;
368             if (i < ctx_pic->slice_count - 1)
369                 slice_long->NumMbsForSlice =
370                     slice_long[1].first_mb_in_slice - slice_long[0].first_mb_in_slice;
371             else
372                 slice_long->NumMbsForSlice = mb_count - slice_long->first_mb_in_slice;
373         }
374
375         memcpy(current, start_code, start_code_size);
376         current += start_code_size;
377
378         memcpy(current, &ctx_pic->bitstream[position], size);
379         current += size;
380     }
381     padding = FFMIN(128 - ((current - dxva_data) & 127), end - current);
382     if (slice && padding > 0) {
383         memset(current, 0, padding);
384         current += padding;
385
386         slice->SliceBytesInBuffer += padding;
387     }
388 #if CONFIG_D3D11VA
389     if (ff_dxva2_is_d3d11(avctx))
390         if (FAILED(ID3D11VideoContext_ReleaseDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder, type)))
391             return -1;
392 #endif
393 #if CONFIG_DXVA2
394     if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
395         if (FAILED(IDirectXVideoDecoder_ReleaseBuffer(DXVA2_CONTEXT(ctx)->decoder, type)))
396             return -1;
397 #endif
398     if (i < ctx_pic->slice_count)
399         return -1;
400
401 #if CONFIG_D3D11VA
402     if (ff_dxva2_is_d3d11(avctx)) {
403         D3D11_VIDEO_DECODER_BUFFER_DESC *dsc11 = bs;
404         memset(dsc11, 0, sizeof(*dsc11));
405         dsc11->BufferType           = type;
406         dsc11->DataSize             = current - dxva_data;
407         dsc11->NumMBsInBuffer       = mb_count;
408
409         type = D3D11_VIDEO_DECODER_BUFFER_SLICE_CONTROL;
410
411         av_assert0((dsc11->DataSize & 127) == 0);
412     }
413 #endif
414 #if CONFIG_DXVA2
415     if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
416         DXVA2_DecodeBufferDesc *dsc2 = bs;
417         memset(dsc2, 0, sizeof(*dsc2));
418         dsc2->CompressedBufferType = type;
419         dsc2->DataSize             = current - dxva_data;
420         dsc2->NumMBsInBuffer       = mb_count;
421
422         type = DXVA2_SliceControlBufferType;
423
424         av_assert0((dsc2->DataSize & 127) == 0);
425     }
426 #endif
427
428     if (is_slice_short(avctx, ctx)) {
429         slice_data = ctx_pic->slice_short;
430         slice_size = ctx_pic->slice_count * sizeof(*ctx_pic->slice_short);
431     } else {
432         slice_data = ctx_pic->slice_long;
433         slice_size = ctx_pic->slice_count * sizeof(*ctx_pic->slice_long);
434     }
435     return ff_dxva2_commit_buffer(avctx, ctx, sc,
436                                   type,
437                                   slice_data, slice_size, mb_count);
438 }
439
440
441 static int dxva2_h264_start_frame(AVCodecContext *avctx,
442                                   av_unused const uint8_t *buffer,
443                                   av_unused uint32_t size)
444 {
445     const H264Context *h = avctx->priv_data;
446     AVDXVAContext *ctx = DXVA_CONTEXT(avctx);
447     struct dxva2_picture_context *ctx_pic = h->cur_pic_ptr->hwaccel_picture_private;
448
449     if (!DXVA_CONTEXT_VALID(avctx, ctx))
450         return -1;
451     assert(ctx_pic);
452
453     /* Fill up DXVA_PicParams_H264 */
454     fill_picture_parameters(avctx, ctx, h, &ctx_pic->pp);
455
456     /* Fill up DXVA_Qmatrix_H264 */
457     fill_scaling_lists(avctx, ctx, h, &ctx_pic->qm);
458
459     ctx_pic->slice_count    = 0;
460     ctx_pic->bitstream_size = 0;
461     ctx_pic->bitstream      = NULL;
462     return 0;
463 }
464
465 static int dxva2_h264_decode_slice(AVCodecContext *avctx,
466                                    const uint8_t *buffer,
467                                    uint32_t size)
468 {
469     const H264Context *h = avctx->priv_data;
470     const H264SliceContext *sl = &h->slice_ctx[0];
471     AVDXVAContext *ctx = DXVA_CONTEXT(avctx);
472     const H264Picture *current_picture = h->cur_pic_ptr;
473     struct dxva2_picture_context *ctx_pic = current_picture->hwaccel_picture_private;
474     unsigned position;
475
476     if (ctx_pic->slice_count >= MAX_SLICES)
477         return -1;
478
479     if (!ctx_pic->bitstream)
480         ctx_pic->bitstream = buffer;
481     ctx_pic->bitstream_size += size;
482
483     position = buffer - ctx_pic->bitstream;
484     if (is_slice_short(avctx, ctx))
485         fill_slice_short(&ctx_pic->slice_short[ctx_pic->slice_count],
486                          position, size);
487     else
488         fill_slice_long(avctx, &ctx_pic->slice_long[ctx_pic->slice_count],
489                         &ctx_pic->pp, position, size);
490     ctx_pic->slice_count++;
491
492     if (sl->slice_type != AV_PICTURE_TYPE_I && sl->slice_type != AV_PICTURE_TYPE_SI)
493         ctx_pic->pp.wBitFields &= ~(1 << 15); /* Set IntraPicFlag to 0 */
494     return 0;
495 }
496
497 static int dxva2_h264_end_frame(AVCodecContext *avctx)
498 {
499     H264Context *h = avctx->priv_data;
500     H264SliceContext *sl = &h->slice_ctx[0];
501     struct dxva2_picture_context *ctx_pic =
502         h->cur_pic_ptr->hwaccel_picture_private;
503     int ret;
504
505     if (ctx_pic->slice_count <= 0 || ctx_pic->bitstream_size <= 0)
506         return -1;
507     ret = ff_dxva2_common_end_frame(avctx, h->cur_pic_ptr->f,
508                                     &ctx_pic->pp, sizeof(ctx_pic->pp),
509                                     &ctx_pic->qm, sizeof(ctx_pic->qm),
510                                     commit_bitstream_and_slice_buffer);
511     if (!ret)
512         ff_h264_draw_horiz_band(h, sl, 0, h->avctx->height);
513     return ret;
514 }
515
516 #if CONFIG_H264_DXVA2_HWACCEL
517 const AVHWAccel ff_h264_dxva2_hwaccel = {
518     .name           = "h264_dxva2",
519     .type           = AVMEDIA_TYPE_VIDEO,
520     .id             = AV_CODEC_ID_H264,
521     .pix_fmt        = AV_PIX_FMT_DXVA2_VLD,
522     .init           = ff_dxva2_decode_init,
523     .uninit         = ff_dxva2_decode_uninit,
524     .start_frame    = dxva2_h264_start_frame,
525     .decode_slice   = dxva2_h264_decode_slice,
526     .end_frame      = dxva2_h264_end_frame,
527     .frame_params   = ff_dxva2_common_frame_params,
528     .frame_priv_data_size = sizeof(struct dxva2_picture_context),
529     .priv_data_size = sizeof(FFDXVASharedContext),
530 };
531 #endif
532
533 #if CONFIG_H264_D3D11VA_HWACCEL
534 const AVHWAccel ff_h264_d3d11va_hwaccel = {
535     .name           = "h264_d3d11va",
536     .type           = AVMEDIA_TYPE_VIDEO,
537     .id             = AV_CODEC_ID_H264,
538     .pix_fmt        = AV_PIX_FMT_D3D11VA_VLD,
539     .init           = ff_dxva2_decode_init,
540     .uninit         = ff_dxva2_decode_uninit,
541     .start_frame    = dxva2_h264_start_frame,
542     .decode_slice   = dxva2_h264_decode_slice,
543     .end_frame      = dxva2_h264_end_frame,
544     .frame_params   = ff_dxva2_common_frame_params,
545     .frame_priv_data_size = sizeof(struct dxva2_picture_context),
546     .priv_data_size = sizeof(FFDXVASharedContext),
547 };
548 #endif
549
550 #if CONFIG_H264_D3D11VA2_HWACCEL
551 const AVHWAccel ff_h264_d3d11va2_hwaccel = {
552     .name           = "h264_d3d11va2",
553     .type           = AVMEDIA_TYPE_VIDEO,
554     .id             = AV_CODEC_ID_H264,
555     .pix_fmt        = AV_PIX_FMT_D3D11,
556     .init           = ff_dxva2_decode_init,
557     .uninit         = ff_dxva2_decode_uninit,
558     .start_frame    = dxva2_h264_start_frame,
559     .decode_slice   = dxva2_h264_decode_slice,
560     .end_frame      = dxva2_h264_end_frame,
561     .frame_params   = ff_dxva2_common_frame_params,
562     .frame_priv_data_size = sizeof(struct dxva2_picture_context),
563     .priv_data_size = sizeof(FFDXVASharedContext),
564 };
565 #endif