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dxva2_h264: pass the correct 8x8 scaling lists 

Copy the Inter 8x8 scaling list as second 8x8 matrix into DXVA2's
quantization matrix data structure instead of a potentially unset
Intra chroma scaling matrix.

Fix dxva2 decoding for some H264 samples.

Signed-off-by: Janne Grunau <janne-libav@jannau.net>
This commit is contained in:
Carl Eugen Hoyos 2011-09-21 20:42:48 +00:00 committed by Janne Grunau
parent bf5d46d8e6
commit bcb1555489
1 changed files with 8 additions and 6 deletions
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14
libavcodec/dxva2_h264.c
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@ -162,17 +162,19 @@ static void fill_scaling_lists(struct dxva_context *ctx, const H264Context *h, D
for (j = 0; j < 16; j++)
qm->bScalingLists4x4[i][j] = h->pps.scaling_matrix4[i][j];
for (i = 0; i < 2; i++)
for (j = 0; j < 64; j++)
qm->bScalingLists8x8[i][j] = h->pps.scaling_matrix8[i][j];
for (i = 0; i < 64; i++) {
qm->bScalingLists8x8[0][i] = h->pps.scaling_matrix8[0][i];
qm->bScalingLists8x8[1][i] = h->pps.scaling_matrix8[3][i];
}
} else {
for (i = 0; i < 6; i++)
for (j = 0; j < 16; j++)
qm->bScalingLists4x4[i][j] = h->pps.scaling_matrix4[i][zigzag_scan[j]];
for (i = 0; i < 2; i++)
for (j = 0; j < 64; j++)
qm->bScalingLists8x8[i][j] = h->pps.scaling_matrix8[i][ff_zigzag_direct[j]];
for (i = 0; i < 64; i++) {
qm->bScalingLists8x8[0][i] = h->pps.scaling_matrix8[0][ff_zigzag_direct[i]];
qm->bScalingLists8x8[1][i] = h->pps.scaling_matrix8[3][ff_zigzag_direct[i]];
}
}
}