This removes an inter-library dependency on ff_log2_tab causing
linking errors in some configurations.
Signed-off-by: Mans Rullgard <mans@mansr.com>
#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;\
}
/**