get_bits: get_bits_long() support n=0 as the docs allow it

also the 0 case is indeed used in some code pathes

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-10-06 22:25:04 +02:00
parent ac6659aff7
commit 094a82c7de

View File

@ -302,7 +302,9 @@ static inline void skip_bits1(GetBitContext *s)
*/
static inline unsigned int get_bits_long(GetBitContext *s, int n)
{
if (n <= MIN_CACHE_BITS)
if (!n) {
return 0;
} else if (n <= MIN_CACHE_BITS)
return get_bits(s, n);
else {
#ifdef BITSTREAM_READER_LE