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fix bug in inlined version of FLAC__bitbuffer_read_raw_int32 where sign extension was not done in some cases

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Josh Coalson
2001-05-26 05:19:10 +00:00
parent 480ddd8e24
commit 697b603ed1
1 changed files with 5 additions and 1 deletions
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6
src/libFLAC/bitbuffer.c
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@@ -1168,7 +1168,11 @@ bool FLAC__bitbuffer_read_raw_int32(FLAC__BitBuffer *bb, int32 *val, const unsig
/* we hold off updating bb->total_consumed_bits until the end */
}
else {
*val = (bb->buffer[bb->consumed_bytes] & (0xff >> bb->consumed_bits)) >> (i-bits_);
/* bits_ must be < 7 if we get to here */
v = (bb->buffer[bb->consumed_bytes] & (0xff >> bb->consumed_bits));
v <<= (32-i);
*val = (int32)v;
*val >>= (32-bits_);
bb->consumed_bits += bits_;
bb->total_consumed_bits += bits_;
return true;