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authorMichael Niedermayer <michaelni@gmx.at>2011-12-28 21:29:03 +0100
committerMichael Niedermayer <michaelni@gmx.at>2011-12-28 21:30:26 +0100
commita1ca45317df0993e98b4e3aec9ebdae64449478b (patch)
tree05be54be1e025f00231f36b9e5238012aaf2c9dc /libavcodec
parentd46bc4133c104188dd6719365605e42bd1b5e2ff (diff)
downloadffmpeg-a1ca45317df0993e98b4e3aec9ebdae64449478b.tar.gz
cljrenc: fix scaling
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/cljr.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/libavcodec/cljr.c b/libavcodec/cljr.c
index 2b0142b979..daa13e534a 100644
--- a/libavcodec/cljr.c
+++ b/libavcodec/cljr.c
@@ -161,13 +161,13 @@ static int encode_frame(AVCodecContext *avctx, unsigned char *buf,
case 1: dither = dither * 1664525 + 1013904223; break;
case 2: dither = ordered_dither[ y&1 ][ (x>>2)&1 ];break;
}
- put_bits(&pb, 5, (luma[3] + (dither>>29) ) >> 3);
- put_bits(&pb, 5, (luma[2] + ((dither>>26)&7)) >> 3);
- put_bits(&pb, 5, (luma[1] + ((dither>>23)&7)) >> 3);
- put_bits(&pb, 5, (luma[0] + ((dither>>20)&7)) >> 3);
+ put_bits(&pb, 5, (249*(luma[3] + (dither>>29) )) >> 11);
+ put_bits(&pb, 5, (249*(luma[2] + ((dither>>26)&7))) >> 11);
+ put_bits(&pb, 5, (249*(luma[1] + ((dither>>23)&7))) >> 11);
+ put_bits(&pb, 5, (249*(luma[0] + ((dither>>20)&7))) >> 11);
luma += 4;
- put_bits(&pb, 6, (*(cb++) + ((dither>>18)&3)) >> 2);
- put_bits(&pb, 6, (*(cr++) + ((dither>>16)&3)) >> 2);
+ put_bits(&pb, 6, (253*(*(cb++) + ((dither>>18)&3))) >> 10);
+ put_bits(&pb, 6, (253*(*(cr++) + ((dither>>16)&3))) >> 10);
}
}