bool VaapiDecoderH264::fillSlice(VaapiSliceH264 * slice,
H264NalUnit * nalu)
{
H264SliceHdr *const sliceHdr = &slice->m_sliceHdr;
VaapiBufObject *sliceParamObj = slice->m_param;
VASliceParameterBufferH264 *sliceParam =
(VASliceParameterBufferH264 *) sliceParamObj->map();
/* Fill in VASliceParameterBufferH264 */
sliceParam->slice_data_bit_offset =
getSliceDataBitOffset(sliceHdr, nalu);
sliceParam->first_mb_in_slice = sliceHdr->first_mb_in_slice;
sliceParam->slice_type = sliceHdr->type % 5;
sliceParam->direct_spatial_mv_pred_flag =
sliceHdr->direct_spatial_mv_pred_flag;
sliceParam->cabac_init_idc = sliceHdr->cabac_init_idc;
sliceParam->slice_qp_delta = sliceHdr->slice_qp_delta;
sliceParam->disable_deblocking_filter_idc =
sliceHdr->disable_deblocking_filter_idc;
sliceParam->slice_alpha_c0_offset_div2 =
sliceHdr->slice_alpha_c0_offset_div2;
sliceParam->slice_beta_offset_div2 = sliceHdr->slice_beta_offset_div2;
sliceParamObj->unmap();
if (!fillRefPicList(slice))
return false;
if (!fillPredWeightTable(slice))
return false;
return true;
}
bool VaapiDecoderH265::fillSlice(const PicturePtr& picture,
const H265SliceHdr* const theSlice, const H265NalUnit* const nalu)
{
const H265SliceHdr* slice = theSlice;
VASliceParameterBufferHEVC* sliceParam;
if (!picture->newSlice(sliceParam, nalu->data + nalu->offset, nalu->size))
return false;
sliceParam->slice_data_byte_offset =
getSliceDataByteOffset(slice, nalu->header_bytes);
sliceParam->slice_segment_address = slice->segment_address;
#define FILL_LONG(f) sliceParam->LongSliceFlags.fields.f = slice->f
#define FILL_LONG_SLICE(f) sliceParam->LongSliceFlags.fields.slice_##f = slice->f
//how to fill this
//LastSliceOfPic
FILL_LONG(dependent_slice_segment_flag);
//follow spec
if (slice->dependent_slice_segment_flag) {
slice = m_prevSlice.get();
}
if (!fillReferenceIndex(sliceParam, slice))
return false;
FILL_LONG_SLICE(type);
sliceParam->LongSliceFlags.fields.color_plane_id = slice->colour_plane_id;
FILL_LONG_SLICE(sao_luma_flag);
FILL_LONG_SLICE(sao_chroma_flag);
FILL_LONG(mvd_l1_zero_flag);
FILL_LONG(cabac_init_flag);
FILL_LONG_SLICE(temporal_mvp_enabled_flag);
if (slice->deblocking_filter_override_flag)
FILL_LONG_SLICE(deblocking_filter_disabled_flag);
else
sliceParam->LongSliceFlags.fields.slice_deblocking_filter_disabled_flag=
slice->pps->deblocking_filter_disabled_flag;
FILL_LONG(collocated_from_l0_flag);
FILL_LONG_SLICE(loop_filter_across_slices_enabled_flag);
#define FILL(f) sliceParam->f = slice->f
#define FILL_SLICE(f) sliceParam->slice_##f = slice->f
FILL(collocated_ref_idx);
/* following fields fill in fillReference
num_ref_idx_l0_active_minus1
num_ref_idx_l1_active_minus1*/
FILL_SLICE(qp_delta);
FILL_SLICE(cb_qp_offset);
FILL_SLICE(cr_qp_offset);
FILL_SLICE(beta_offset_div2);
FILL_SLICE(tc_offset_div2);
if (!fillPredWeightTable(sliceParam, slice))
return false;
FILL(five_minus_max_num_merge_cand);
return true;
}
