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libmpeg2 style bitstream reader 17 vs 16 bit bugfix

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Originally committed as revision 1881 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2003-05-14 22:38:58 +00:00
parent 41fda91d09
commit 3bb10888ff
2 changed files with 3 additions and 3 deletions
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2
libavcodec/common.c
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@ -162,7 +162,7 @@ void init_get_bits(GetBitContext *s,
{
OPEN_READER(re, s)
UPDATE_CACHE(re, s)
// UPDATE_CACHE(re, s)
UPDATE_CACHE(re, s)
CLOSE_READER(re, s)
}
#ifdef A32_BITSTREAM_READER

4
libavcodec/common.h
View File

@ -546,7 +546,7 @@ static inline int get_bits_count(GetBitContext *s){
#elif defined LIBMPEG2_BITSTREAM_READER
//libmpeg2 like reader
# define MIN_CACHE_BITS 16
# define MIN_CACHE_BITS 17
# define OPEN_READER(name, gb)\
int name##_bit_count=(gb)->bit_count;\
@ -570,7 +570,7 @@ static inline int get_bits_count(GetBitContext *s){
#else
# define UPDATE_CACHE(name, gb)\
if(name##_bit_count > 0){\
if(name##_bit_count >= 0){\
name##_cache+= ((name##_buffer_ptr[0]<<8) + name##_buffer_ptr[1]) << name##_bit_count;\
name##_buffer_ptr+=2;\
name##_bit_count-= 16;\