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authorMichael Niedermayer <michaelni@gmx.at>2005-07-09 21:39:29 +0000
committerMichael Niedermayer <michaelni@gmx.at>2005-07-09 21:39:29 +0000
commit32fe3ac0f9003181435c6881f8cebd0551b975b1 (patch)
tree5abedcf477d1bd5ae784c6747a226c57bd5767f8 /libavcodec/indeo2.c
parent002c01a6f3e718dad7faff2c088bed215e17bff5 (diff)
Here is the patch suggested by: unkaggregate, users sf net
Main reason is: deltas in interframes need scaling by 3/4 before applying. Detailed description is at: http://sourceforge.net/tracker/index.php?func=detail&aid=1222099&group_id=16082&atid=116082 He also mentioned some samples at: http://www.nerdgrounds.com/indeo21_test/ patch posted to ffmpeg-devel by (Kostya: kostya shishkov, gmail com) Originally committed as revision 4425 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/indeo2.c')
-rw-r--r--libavcodec/indeo2.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/indeo2.c b/libavcodec/indeo2.c
index 25561ec2d7..5063117ca0 100644
--- a/libavcodec/indeo2.c
+++ b/libavcodec/indeo2.c
@@ -118,11 +118,11 @@ static int ir2_decode_plane_inter(Ir2Context *ctx, int width, int height, uint8_
c -= 0x7F;
out += c * 2;
} else { /* add two deltas from table */
- t = dst[out] + (table[c * 2] - 128);
+ t = dst[out] + (((table[c * 2] - 128)*3) >> 2);
t= clip_uint8(t);
dst[out] = t;
out++;
- t = dst[out] + (table[(c * 2) + 1] - 128);
+ t = dst[out] + (((table[(c * 2) + 1] - 128)*3) >> 2);
t= clip_uint8(t);
dst[out] = t;
out++;