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get_bits: Add OPEN_READER macro variant w/o size_plus8

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This avoids a trillion warnings from MSVC.
This commit is contained in:
Diego Biurrun 2014-08-22 14:37:39 +02:00
parent b21e989a3c
commit b574e1e97e
2 changed files with 8 additions and 7 deletions
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2
libavcodec/dvdec.c
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@ -88,7 +88,7 @@ static void dv_decode_ac(GetBitContext *gb, BlockInfo *mb, int16_t *block)
int partial_bit_count = mb->partial_bit_count;
int level, run, vlc_len, index;
OPEN_READER(re, gb);
OPEN_READER_NOSIZE(re, gb);
UPDATE_CACHE(re, gb);
/* if we must parse a partial VLC, we do it here */

13
libavcodec/get_bits.h
View File

@ -123,17 +123,18 @@ typedef struct RL_VLC_ELEM {
# define MIN_CACHE_BITS 25
#endif
#if UNCHECKED_BITSTREAM_READER
#define OPEN_READER(name, gb) \
#define OPEN_READER_NOSIZE(name, gb) \
unsigned int name ## _index = (gb)->index; \
unsigned int av_unused name ## _cache = 0
#if UNCHECKED_BITSTREAM_READER
#define OPEN_READER(name, gb) OPEN_READER_NOSIZE(name, gb)
#define BITS_AVAILABLE(name, gb) 1
#else
#define OPEN_READER(name, gb) \
unsigned int name ## _index = (gb)->index; \
unsigned int av_unused name ## _cache = 0; \
unsigned int av_unused name ## _size_plus8 = (gb)->size_in_bits_plus8
OPEN_READER_NOSIZE(name, gb); \
unsigned int name ## _size_plus8 = (gb)->size_in_bits_plus8
#define BITS_AVAILABLE(name, gb) name ## _index < name ## _size_plus8
#endif
@ -254,7 +255,7 @@ static inline unsigned int get_bits(GetBitContext *s, int n)
static inline unsigned int show_bits(GetBitContext *s, int n)
{
register int tmp;
OPEN_READER(re, s);
OPEN_READER_NOSIZE(re, s);
UPDATE_CACHE(re, s);
tmp = SHOW_UBITS(re, s, n);
return tmp;