28 DXVA_PicParams_H264
pp;
38 unsigned index,
unsigned flag)
40 assert((index&0x7f) == index && (flag&0x01) == flag);
41 pic->bPicEntry = index | (flag << 7);
45 DXVA_PicParams_H264 *pp)
50 memset(pp, 0,
sizeof(*pp));
56 pp->UsedForReferenceFlags = 0;
57 pp->NonExistingFrameFlags = 0;
60 if (j < h->short_ref_count) {
64 while (!r && j < h->short_ref_count + 16)
73 pp->FieldOrderCntList[i][0] = r->
field_poc[0];
75 pp->FieldOrderCntList[i][1] = r->
field_poc[1];
79 pp->UsedForReferenceFlags |= 1 << (2*i + 0);
81 pp->UsedForReferenceFlags |= 1 << (2*i + 1);
83 pp->RefFrameList[i].bPicEntry = 0xff;
84 pp->FieldOrderCntList[i][0] = 0;
85 pp->FieldOrderCntList[i][1] = 0;
86 pp->FrameNumList[i] = 0;
90 pp->wFrameWidthInMbsMinus1 = h->
mb_width - 1;
91 pp->wFrameHeightInMbsMinus1 = h->
mb_height - 1;
117 pp->Reserved16Bits = 0;
119 pp->Reserved16Bits = 3;
120 pp->StatusReportFeedbackNumber = 1 + ctx->
report_id++;
121 pp->CurrFieldOrderCnt[0] = 0;
123 current_picture->
field_poc[0] != INT_MAX)
124 pp->CurrFieldOrderCnt[0] = current_picture->
field_poc[0];
125 pp->CurrFieldOrderCnt[1] = 0;
127 current_picture->
field_poc[1] != INT_MAX)
128 pp->CurrFieldOrderCnt[1] = current_picture->
field_poc[1];
129 pp->pic_init_qs_minus26 = h->
pps.
init_qs - 26;
132 pp->ContinuationFlag = 1;
133 pp->pic_init_qp_minus26 = h->
pps.
init_qp - 26;
134 pp->num_ref_idx_l0_active_minus1 = h->
pps.
ref_count[0] - 1;
135 pp->num_ref_idx_l1_active_minus1 = h->
pps.
ref_count[1] - 1;
136 pp->Reserved8BitsA = 0;
145 pp->entropy_coding_mode_flag = h->
pps.
cabac;
151 pp->Reserved8BitsB = 0;
152 pp->slice_group_change_rate_minus1= 0;
159 memset(qm, 0,
sizeof(*qm));
161 for (i = 0; i < 6; i++)
162 for (j = 0; j < 16; j++)
165 for (i = 0; i < 64; i++) {
170 for (i = 0; i < 6; i++)
171 for (j = 0; j < 16; j++)
174 for (i = 0; i < 64; i++) {
183 assert(ctx->
cfg->ConfigBitstreamRaw == 1 ||
184 ctx->
cfg->ConfigBitstreamRaw == 2);
185 return ctx->
cfg->ConfigBitstreamRaw == 2;
189 unsigned position,
unsigned size)
191 memset(slice, 0,
sizeof(*slice));
192 slice->BSNALunitDataLocation = position;
193 slice->SliceBytesInBuffer =
size;
194 slice->wBadSliceChopping = 0;
198 unsigned position,
unsigned size)
204 memset(slice, 0,
sizeof(*slice));
205 slice->BSNALunitDataLocation = position;
206 slice->SliceBytesInBuffer =
size;
207 slice->wBadSliceChopping = 0;
210 slice->NumMbsForSlice = 0;
214 slice->slice_type += 5;
218 slice->num_ref_idx_l0_active_minus1 = h->
ref_count[0] - 1;
220 slice->num_ref_idx_l1_active_minus1 = h->
ref_count[1] - 1;
223 slice->Reserved8Bits = 0;
225 for (list = 0; list < 2; list++) {
228 if (list < h->list_count && i < h->ref_count[list]) {
234 for (plane = 0; plane < 3; plane++) {
247 slice->Weights[list][i][plane][0] = w;
248 slice->Weights[list][i][plane][1] = o;
252 slice->RefPicList[list][i].bPicEntry = 0xff;
253 for (plane = 0; plane < 3; plane++) {
254 slice->Weights[list][i][plane][0] = 0;
255 slice->Weights[list][i][plane][1] = 0;
260 slice->slice_qs_delta = 0;
274 DXVA2_DecodeBufferDesc *bs,
275 DXVA2_DecodeBufferDesc *sc)
282 DXVA_Slice_H264_Short *
slice = NULL;
292 DXVA2_BitStreamDateBufferType,
293 (
void **)&dxva_data, &dxva_size)))
296 end = dxva_data + dxva_size;
299 static const uint8_t start_code[] = { 0, 0, 1 };
300 static const unsigned start_code_size =
sizeof(start_code);
301 unsigned position,
size;
303 assert(offsetof(DXVA_Slice_H264_Short, BSNALunitDataLocation) ==
304 offsetof(DXVA_Slice_H264_Long, BSNALunitDataLocation));
305 assert(offsetof(DXVA_Slice_H264_Short, SliceBytesInBuffer) ==
306 offsetof(DXVA_Slice_H264_Long, SliceBytesInBuffer));
311 slice = (DXVA_Slice_H264_Short*)&ctx_pic->
slice_long[i];
313 position = slice->BSNALunitDataLocation;
314 size = slice->SliceBytesInBuffer;
315 if (start_code_size + size > end - current) {
320 slice->BSNALunitDataLocation = current - dxva_data;
321 slice->SliceBytesInBuffer = start_code_size +
size;
324 DXVA_Slice_H264_Long *
slice_long = (DXVA_Slice_H264_Long*)slice;
326 slice_long->NumMbsForSlice =
327 slice_long[1].first_mb_in_slice - slice_long[0].first_mb_in_slice;
329 slice_long->NumMbsForSlice = mb_count - slice_long->first_mb_in_slice;
332 memcpy(current, start_code, start_code_size);
333 current += start_code_size;
335 memcpy(current, &ctx_pic->
bitstream[position], size);
338 padding =
FFMIN(128 - ((current - dxva_data) & 127), end - current);
339 if (slice && padding > 0) {
340 memset(current, 0, padding);
343 slice->SliceBytesInBuffer += padding;
346 DXVA2_BitStreamDateBufferType)))
351 memset(bs, 0,
sizeof(*bs));
352 bs->CompressedBufferType = DXVA2_BitStreamDateBufferType;
353 bs->DataSize = current - dxva_data;
354 bs->NumMBsInBuffer = mb_count;
363 assert((bs->DataSize & 127) == 0);
365 DXVA2_SliceControlBufferType,
366 slice_data, slice_size, mb_count);
421 ctx_pic->
pp.wBitFields &= ~(1 << 15);
435 &ctx_pic->
pp,
sizeof(ctx_pic->
pp),
436 &ctx_pic->
qm,
sizeof(ctx_pic->
qm),
444 .
name =
"h264_dxva2",