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authorZeng Zhaoxiu <zhaoxiu.zeng@gmail.com>2015-03-07 23:42:05 +0800
committerMichael Niedermayer <michaelni@gmx.at>2015-03-07 20:18:32 +0100
commit02fc168c93663ef14b8ce02a9e1362ba0ff32bbc (patch)
tree6fc3fac6bbb91d65a9ba264eac868ef1d7cb80d4 /libavcodec/golomb.h
parentb1e9634c101247a747a0961599ed6d658569b7e0 (diff)
avcodec/golomb: cleanup
Signed-off-by: Zeng Zhaoxiu <zhaoxiu.zeng@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/golomb.h')
-rw-r--r--libavcodec/golomb.h13
1 files changed, 3 insertions, 10 deletions
diff --git a/libavcodec/golomb.h b/libavcodec/golomb.h
index 1632ee37cc..b9b29e7e66 100644
--- a/libavcodec/golomb.h
+++ b/libavcodec/golomb.h
@@ -215,9 +215,7 @@ static inline int get_se_golomb(GetBitContext *gb)
static inline int get_se_golomb_long(GetBitContext *gb)
{
unsigned int buf = get_ue_golomb_long(gb);
- int sign;
-
- sign = (buf & 1) - 1;
+ int sign = (buf & 1) - 1;
return ((buf >> 1) ^ sign) + 1;
}
@@ -259,8 +257,7 @@ static inline int dirac_get_se_golomb(GetBitContext *gb)
uint32_t ret = svq3_get_ue_golomb(gb);
if (ret) {
- int sign;
- sign = -get_bits1(gb);
+ int sign = -get_bits1(gb);
ret = (ret ^ sign) - sign;
}
@@ -363,11 +360,7 @@ static inline int get_sr_golomb(GetBitContext *gb, int k, int limit,
int esc_len)
{
int v = get_ur_golomb(gb, k, limit, esc_len);
- int sign;
-
- v++;
- sign = (v & 1) - 1;
- return ((v >> 1) ^ sign) - sign;
+ return (v >> 1) ^ -(v & 1);
}
/**