void VaapiDPBManager::execPictureRefsModification(const PicturePtr& picture,
const SliceHeaderPtr& sliceHdr)
{
/* refPicList0 */
if (!H264_IS_I_SLICE(sliceHdr) && !H264_IS_SI_SLICE(sliceHdr) &&
sliceHdr->ref_pic_list_modification_flag_l0)
execPictureRefsModification1(picture, sliceHdr, 0);
/* refPicList1 */
if (H264_IS_B_SLICE(sliceHdr) &&
sliceHdr->ref_pic_list_modification_flag_l1)
execPictureRefsModification1(picture, sliceHdr, 1);
}
bool VaapiDecoderH264::fillRefPicList(VaapiSliceH264 * slice)
{
uint32_t i, numRefLists = 0;
VaapiDecPicBufLayer *DPBLayer = m_DPBManager->DPBLayer;
H264SliceHdr *const sliceHdr = &slice->m_sliceHdr;
VaapiBufObject *sliceParamObj = slice->m_param;
VASliceParameterBufferH264 *sliceParam =
(VASliceParameterBufferH264 *) sliceParamObj->map();
sliceParam->num_ref_idx_l0_active_minus1 = 0;
sliceParam->num_ref_idx_l1_active_minus1 = 0;
if (H264_IS_B_SLICE(sliceHdr))
numRefLists = 2;
else if (H264_IS_I_SLICE(sliceHdr))
numRefLists = 0;
else
numRefLists = 1;
if (numRefLists < 1)
goto out;
sliceParam->num_ref_idx_l0_active_minus1 =
sliceHdr->num_ref_idx_l0_active_minus1;
for (i = 0;
i < DPBLayer->refPicList0Count && DPBLayer->refPicList0[i]; i++)
vaapiFillPicture(&sliceParam->RefPicList0[i],
DPBLayer->refPicList0[i], 0);
for (; i <= sliceParam->num_ref_idx_l0_active_minus1; i++)
vaapiInitPicture(&sliceParam->RefPicList0[i]);
if (numRefLists < 2)
goto out;
sliceParam->num_ref_idx_l1_active_minus1 =
sliceHdr->num_ref_idx_l1_active_minus1;
for (i = 0;
i < DPBLayer->refPicList1Count && DPBLayer->refPicList1[i]; i++)
vaapiFillPicture(&sliceParam->RefPicList1[i],
DPBLayer->refPicList1[i], 0);
for (; i <= sliceParam->num_ref_idx_l1_active_minus1; i++)
vaapiInitPicture(&sliceParam->RefPicList1[i]);
out:
sliceParamObj->unmap();
return true;
}
bool VaapiDecoderH264::fillPredWeightTable(VaapiSliceH264 * slice)
{
int32_t i, j;
uint32_t numWeightTables = 0;
H264SliceHdr *const sliceHdr = &slice->m_sliceHdr;
H264PPS *const pps = sliceHdr->pps;
H264SPS *const sps = pps->sequence;
H264PredWeightTable *const w = &sliceHdr->pred_weight_table;
VaapiBufObject *sliceParamObj = slice->m_param;
VASliceParameterBufferH264 *sliceParam =
(VASliceParameterBufferH264 *) sliceParamObj->map();
if (pps->weighted_pred_flag &&
(H264_IS_P_SLICE(sliceHdr) || H264_IS_SP_SLICE(sliceHdr)))
numWeightTables = 1;
else if (pps->weighted_bipred_idc == 1 && H264_IS_B_SLICE(sliceHdr))
numWeightTables = 2;
else
numWeightTables = 0;
sliceParam->luma_log2_weight_denom = w->luma_log2_weight_denom;
sliceParam->chroma_log2_weight_denom = w->chroma_log2_weight_denom;
sliceParam->luma_weight_l0_flag = 0;
sliceParam->chroma_weight_l0_flag = 0;
sliceParam->luma_weight_l1_flag = 0;
sliceParam->chroma_weight_l1_flag = 0;
if (numWeightTables < 1)
goto out;
sliceParam->luma_weight_l0_flag = 1;
for (i = 0; i <= sliceParam->num_ref_idx_l0_active_minus1; i++) {
sliceParam->luma_weight_l0[i] = w->luma_weight_l0[i];
sliceParam->luma_offset_l0[i] = w->luma_offset_l0[i];
}
sliceParam->chroma_weight_l0_flag = sps->chroma_array_type != 0;
if (sliceParam->chroma_weight_l0_flag) {
for (i = 0; i <= sliceParam->num_ref_idx_l0_active_minus1; i++) {
for (j = 0; j < 2; j++) {
sliceParam->chroma_weight_l0[i][j] =
w->chroma_weight_l0[i][j];
sliceParam->chroma_offset_l0[i][j] =
w->chroma_offset_l0[i][j];
}
}
}
if (numWeightTables < 2)
goto out;
sliceParam->luma_weight_l1_flag = 1;
for (i = 0; i <= sliceParam->num_ref_idx_l1_active_minus1; i++) {
sliceParam->luma_weight_l1[i] = w->luma_weight_l1[i];
sliceParam->luma_offset_l1[i] = w->luma_offset_l1[i];
}
sliceParam->chroma_weight_l1_flag = sps->chroma_array_type != 0;
if (sliceParam->chroma_weight_l1_flag) {
for (i = 0; i <= sliceParam->num_ref_idx_l1_active_minus1; i++) {
for (j = 0; j < 2; j++) {
sliceParam->chroma_weight_l1[i][j] =
w->chroma_weight_l1[i][j];
sliceParam->chroma_offset_l1[i][j] =
w->chroma_offset_l1[i][j];
}
}
}
out:
sliceParamObj->unmap();
return true;
}
