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| author | Kostya Shishkov <kostya.shishkov@gmail.com> | 2011-08-02 13:45:28 +0200 |
|---|---|---|
| committer | Ronald S. Bultje <rsbultje@gmail.com> | 2011-08-02 08:23:47 -0700 |
| commit | 6f7fe4723b9bfbb52341568906e6168966f486b3 (patch) | |
| tree | 0def9f082e0bebc7ac85e274bd702e960a21adb8 /libavcodec/rv34.c | |
| parent | 73e8e8dbf969b9a0bc1591abcfeba474a42e47bc (diff) | |
| download | ffmpeg-6f7fe4723b9bfbb52341568906e6168966f486b3.tar.gz | |
Correct chroma vector calculation for RealVideo 3.
Old version divided it wrong, which resulted in chroma drift (visible on FATE
sample too as dirty trails left by clouds).
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
Diffstat (limited to 'libavcodec/rv34.c')
| -rw-r--r-- | libavcodec/rv34.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/rv34.c b/libavcodec/rv34.c index 9162da5194..1aec571ad3 100644 --- a/libavcodec/rv34.c +++ b/libavcodec/rv34.c @@ -737,8 +737,8 @@ static inline void rv34_mc(RV34DecContext *r, const int block_type, my = (s->current_picture_ptr->f.motion_val[dir][mv_pos][1] + (3 << 24)) / 3 - (1 << 24); lx = (s->current_picture_ptr->f.motion_val[dir][mv_pos][0] + (3 << 24)) % 3; ly = (s->current_picture_ptr->f.motion_val[dir][mv_pos][1] + (3 << 24)) % 3; - chroma_mx = (s->current_picture_ptr->f.motion_val[dir][mv_pos][0] + 1) >> 1; - chroma_my = (s->current_picture_ptr->f.motion_val[dir][mv_pos][1] + 1) >> 1; + chroma_mx = s->current_picture_ptr->f.motion_val[dir][mv_pos][0] / 2; + chroma_my = s->current_picture_ptr->f.motion_val[dir][mv_pos][1] / 2; umx = (chroma_mx + (3 << 24)) / 3 - (1 << 24); umy = (chroma_my + (3 << 24)) / 3 - (1 << 24); uvmx = chroma_coeffs[(chroma_mx + (3 << 24)) % 3]; |