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authorMichael Niedermayer <michaelni@gmx.at>2012-11-15 11:12:25 +0100
committerMichael Niedermayer <michaelni@gmx.at>2012-11-15 11:12:25 +0100
commit4d941eac1655b21af33c6e4d52b7bfd7f9e5b990 (patch)
tree54fb5dafa6b702dc50fe5bd3691ec44679acf055 /libavutil/common.h
parent62006b539ddda23594febf0fcb2f21c03de60457 (diff)
parent3b4296f41473a5b39e84d7a49d480624c9c60040 (diff)
Merge commit '3b4296f41473a5b39e84d7a49d480624c9c60040'
* commit '3b4296f41473a5b39e84d7a49d480624c9c60040': avformat: clarify stream id for muxing fate: Add dependencies for aac, alac, amrnb, amrwb, atrac tests ppc: do not pass redundant compiler flags avutil: change GET_UTF8 to not use av_log2() segment: fix NULL pointer dereference in seg_write_header() Conflicts: tests/fate/aac.mak Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavutil/common.h')
-rw-r--r--libavutil/common.h9
1 files changed, 5 insertions, 4 deletions
diff --git a/libavutil/common.h b/libavutil/common.h
index 03a2354db4..0f36309fa9 100644
--- a/libavutil/common.h
+++ b/libavutil/common.h
@@ -271,16 +271,17 @@ static av_always_inline av_const int av_popcount64_c(uint64_t x)
#define GET_UTF8(val, GET_BYTE, ERROR)\
val= GET_BYTE;\
{\
- int ones= 7 - av_log2(val ^ 255);\
- if(ones==1)\
+ uint32_t top = (val & 128) >> 1;\
+ if ((val & 0xc0) == 0x80)\
ERROR\
- val&= 127>>ones;\
- while(--ones > 0){\
+ while (val & top) {\
int tmp= GET_BYTE - 128;\
if(tmp>>6)\
ERROR\
val= (val<<6) + tmp;\
+ top <<= 5;\
}\
+ val &= (top << 1) - 1;\
}
/**