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authorMichael Niedermayer <michaelni@gmx.at>2014-08-17 15:00:16 +0200
committerMichael Niedermayer <michaelni@gmx.at>2014-08-17 15:09:05 +0200
commit3b6bde3b3de4f392bfd4ac800778e9e62eefa78e (patch)
treee6fe2fb76ff630760b1523094ec597e426a4ae77 /libavcodec/h264_mb.c
parent4f187f0af13bf4ff4d4b9c8081ce0ef73ad91345 (diff)
downloadffmpeg-3b6bde3b3de4f392bfd4ac800778e9e62eefa78e.tar.gz
avcodec/h264_mb: fix grayscale only decoding with weighted prediction
Fixes Ticket3412 Signed-off-by: Michael Niedermayer <michaelni@gmx.at> (cherry picked from commit 94f60b65446b37132d7bd644ab2c4627d9488295) Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/h264_mb.c')
-rw-r--r--libavcodec/h264_mb.c56
1 files changed, 31 insertions, 25 deletions
diff --git a/libavcodec/h264_mb.c b/libavcodec/h264_mb.c
index 191c01aa74..7feae5761c 100644
--- a/libavcodec/h264_mb.c
+++ b/libavcodec/h264_mb.c
@@ -420,10 +420,12 @@ static av_always_inline void mc_part_weighted(H264Context *h, int n, int square,
int weight1 = 64 - weight0;
luma_weight_avg(dest_y, tmp_y, h->mb_linesize,
height, 5, weight0, weight1, 0);
- chroma_weight_avg(dest_cb, tmp_cb, h->mb_uvlinesize,
- chroma_height, 5, weight0, weight1, 0);
- chroma_weight_avg(dest_cr, tmp_cr, h->mb_uvlinesize,
- chroma_height, 5, weight0, weight1, 0);
+ if (!CONFIG_GRAY || !(h->flags & CODEC_FLAG_GRAY)) {
+ chroma_weight_avg(dest_cb, tmp_cb, h->mb_uvlinesize,
+ chroma_height, 5, weight0, weight1, 0);
+ chroma_weight_avg(dest_cr, tmp_cr, h->mb_uvlinesize,
+ chroma_height, 5, weight0, weight1, 0);
+ }
} else {
luma_weight_avg(dest_y, tmp_y, h->mb_linesize, height,
h->luma_log2_weight_denom,
@@ -431,18 +433,20 @@ static av_always_inline void mc_part_weighted(H264Context *h, int n, int square,
h->luma_weight[refn1][1][0],
h->luma_weight[refn0][0][1] +
h->luma_weight[refn1][1][1]);
- chroma_weight_avg(dest_cb, tmp_cb, h->mb_uvlinesize, chroma_height,
- h->chroma_log2_weight_denom,
- h->chroma_weight[refn0][0][0][0],
- h->chroma_weight[refn1][1][0][0],
- h->chroma_weight[refn0][0][0][1] +
- h->chroma_weight[refn1][1][0][1]);
- chroma_weight_avg(dest_cr, tmp_cr, h->mb_uvlinesize, chroma_height,
- h->chroma_log2_weight_denom,
- h->chroma_weight[refn0][0][1][0],
- h->chroma_weight[refn1][1][1][0],
- h->chroma_weight[refn0][0][1][1] +
- h->chroma_weight[refn1][1][1][1]);
+ if (!CONFIG_GRAY || !(h->flags & CODEC_FLAG_GRAY)) {
+ chroma_weight_avg(dest_cb, tmp_cb, h->mb_uvlinesize, chroma_height,
+ h->chroma_log2_weight_denom,
+ h->chroma_weight[refn0][0][0][0],
+ h->chroma_weight[refn1][1][0][0],
+ h->chroma_weight[refn0][0][0][1] +
+ h->chroma_weight[refn1][1][0][1]);
+ chroma_weight_avg(dest_cr, tmp_cr, h->mb_uvlinesize, chroma_height,
+ h->chroma_log2_weight_denom,
+ h->chroma_weight[refn0][0][1][0],
+ h->chroma_weight[refn1][1][1][0],
+ h->chroma_weight[refn0][0][1][1] +
+ h->chroma_weight[refn1][1][1][1]);
+ }
}
} else {
int list = list1 ? 1 : 0;
@@ -456,15 +460,17 @@ static av_always_inline void mc_part_weighted(H264Context *h, int n, int square,
h->luma_log2_weight_denom,
h->luma_weight[refn][list][0],
h->luma_weight[refn][list][1]);
- if (h->use_weight_chroma) {
- chroma_weight_op(dest_cb, h->mb_uvlinesize, chroma_height,
- h->chroma_log2_weight_denom,
- h->chroma_weight[refn][list][0][0],
- h->chroma_weight[refn][list][0][1]);
- chroma_weight_op(dest_cr, h->mb_uvlinesize, chroma_height,
- h->chroma_log2_weight_denom,
- h->chroma_weight[refn][list][1][0],
- h->chroma_weight[refn][list][1][1]);
+ if (!CONFIG_GRAY || !(h->flags & CODEC_FLAG_GRAY)) {
+ if (h->use_weight_chroma) {
+ chroma_weight_op(dest_cb, h->mb_uvlinesize, chroma_height,
+ h->chroma_log2_weight_denom,
+ h->chroma_weight[refn][list][0][0],
+ h->chroma_weight[refn][list][0][1]);
+ chroma_weight_op(dest_cr, h->mb_uvlinesize, chroma_height,
+ h->chroma_log2_weight_denom,
+ h->chroma_weight[refn][list][1][0],
+ h->chroma_weight[refn][list][1][1]);
+ }
}
}
}