From: Carl Eugen Hoyos <[email protected]> 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 <[email protected]> --- libavcodec/dxva2_h264.c | 14 ++++++++------ 1 files changed, 8 insertions(+), 6 deletions(-) diff --git a/libavcodec/dxva2_h264.c b/libavcodec/dxva2_h264.c index 090bce6..5d9fa15 100644 --- a/libavcodec/dxva2_h264.c +++ b/libavcodec/dxva2_h264.c @@ -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 (j = 0; j < 64; j++) { + qm->bScalingLists8x8[0][j] = h->pps.scaling_matrix8[0][j]; + qm->bScalingLists8x8[1][j] = h->pps.scaling_matrix8[3][j]; + } } 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 (j = 0; j < 64; j++) { + qm->bScalingLists8x8[0][j] = h->pps.scaling_matrix8[0][ff_zigzag_direct[j]]; + qm->bScalingLists8x8[1][j] = h->pps.scaling_matrix8[3][ff_zigzag_direct[j]]; + } } } -- 1.7.6.1 _______________________________________________ libav-devel mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-devel
