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make A32 reader align its ptr during init no matter what missaligned mess is given to it

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Originally committed as revision 6096 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2006-08-26 11:37:33 +00:00
parent 3dddf21fcc
commit a42ec9f484
1 changed files with 4 additions and 8 deletions
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12
libavcodec/bitstream.h
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@ -719,20 +719,16 @@ static inline void init_get_bits(GetBitContext *s,
s->bit_count = 16; s->bit_count = 16;
s->cache = 0; s->cache = 0;
} }
#elif defined A32_BITSTREAM_READER
s->buffer_ptr = (uint32_t*)buffer;
s->bit_count = 32;
s->cache0 = 0;
s->cache1 = 0;
#endif
{ {
OPEN_READER(re, s) OPEN_READER(re, s)
UPDATE_CACHE(re, s) UPDATE_CACHE(re, s)
UPDATE_CACHE(re, s) UPDATE_CACHE(re, s)
CLOSE_READER(re, s) CLOSE_READER(re, s)
} }
#ifdef A32_BITSTREAM_READER #elif defined A32_BITSTREAM_READER
s->cache1 = 0; s->buffer_ptr = (uint32_t*)((intptr_t)buffer&(~3));
s->bit_count = 32 + 8*((intptr_t)buffer&3);
skip_bits_long(s, 0);
#endif #endif
} }