[FFmpeg-cvslog] svq1dec: simpify mean calculation.

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Sun May  8 01:26:43 2011 +0200| [732ff29bff1b42c9471d7aa699efae6ffd1b5d61] | committer: Michael Niedermayer

svq1dec: simpify mean calculation.
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=732ff29bff1b42c9471d7aa699efae6ffd1b5d61
---

 libavcodec/svq1dec.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/libavcodec/svq1dec.c b/libavcodec/svq1dec.c
index e2ff716..eff1454 100644
--- a/libavcodec/svq1dec.c
+++ b/libavcodec/svq1dec.c
@@ -202,7 +202,7 @@ static const uint8_t string_table[256] = {
         entries[j] = (((bit_cache >> (4*(stages - j - 1))) & 0xF) + 16*j) << (level + 1);\
       }\
       mean -= (stages * 128);\
-      n4    = ((mean + (mean >> 31)) << 16) | (mean & 0xFFFF);
+      n4    = (mean << 16) + mean;
 
 static int svq1_decode_block_intra (GetBitContext *bitbuf, uint8_t *pixels, int pitch ) {
   uint32_t    bit_cache;