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d3d11h264dec: Fix for MbaffFrameFlag and FrameNumList

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As per spec 7.4.3 Slice header semantics, the flag value is derived as
MbaffFrameFlag = (mb_adaptive_frame_field_flag && !field_pic_flag)
and DXVA uses the value.
Regarding FrameNumList, in case of long-term ref, FrameNumList[i]
value should be long_term_frame_idx not long_term_pic_num.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1780>
This commit is contained in:
Seungha Yang 2020-11-08 19:08:25 +09:00
parent 81151145b2
commit 0551d68bbb
1 changed files with 2 additions and 2 deletions
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4
sys/d3d11/gstd3d11h264dec.c
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@ -578,7 +578,7 @@ gst_d3d11_h264_dec_start_picture (GstH264Decoder * decoder,
self->field_order_cnt_list[i][0] = other->top_field_order_cnt;
self->field_order_cnt_list[i][1] = other->bottom_field_order_cnt;
self->frame_num_list[i] = self->ref_frame_list[i].AssociatedFlag
? other->long_term_pic_num : other->frame_num;
? other->long_term_frame_idx : other->frame_num;
self->used_for_reference_flags |= ref << (2 * i);
self->non_existing_frame_flags |= (other->nonexisting) << i;
}
@ -904,7 +904,7 @@ gst_d3d11_h264_dec_picture_params_from_sps (GstD3D11H264Dec * self,
params->wFrameWidthInMbsMinus1 = sps->pic_width_in_mbs_minus1;
params->wFrameHeightInMbsMinus1 = sps->pic_height_in_map_units_minus1;
params->residual_colour_transform_flag = sps->separate_colour_plane_flag;
params->MbaffFrameFlag = sps->mb_adaptive_frame_field_flag && field_pic;
params->MbaffFrameFlag = (sps->mb_adaptive_frame_field_flag && !field_pic);
params->field_pic_flag = field_pic;
params->MinLumaBipredSize8x8Flag = sps->level_idc >= 31;