diff --git a/libavcodec/vdpau_mpeg12.c b/libavcodec/vdpau_mpeg12.c index 354239cad5..79007aa1a8 100644 --- a/libavcodec/vdpau_mpeg12.c +++ b/libavcodec/vdpau_mpeg12.c @@ -75,8 +75,9 @@ static int vdpau_mpeg_start_frame(AVCodecContext *avctx, info->f_code[1][0] = s->mpeg_f_code[1][0]; info->f_code[1][1] = s->mpeg_f_code[1][1]; for (i = 0; i < 64; ++i) { - info->intra_quantizer_matrix[i] = s->intra_matrix[i]; - info->non_intra_quantizer_matrix[i] = s->inter_matrix[i]; + int n = s->idsp.idct_permutation[i]; + info->intra_quantizer_matrix[i] = s->intra_matrix[n]; + info->non_intra_quantizer_matrix[i] = s->inter_matrix[n]; } return ff_vdpau_common_start_frame(pic_ctx, buffer, size);