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avcodec/get_bits: Avoid unused variable

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Fixes lots of warnings from MSVC (which does not support av_unused).

Reviewed-by: Kacper Michajłow <kasper93@gmail.com>
Reviewed-by: Lynne <dev@lynne.ee>
Reviewed-by: Martin Storsjö <martin@martin.st>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2025-11-05 14:36:31 +01:00
parent 36e5576a44
commit a8dd83b4b1
1 changed files with 10 additions and 5 deletions
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15
libavcodec/get_bits.h
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@@ -166,18 +166,22 @@ static inline unsigned int show_bits(GetBitContext *s, int n);
#define MIN_CACHE_BITS 25
#define OPEN_READER_NOSIZE_NOCACHE(name, gb) \
unsigned int name ## _index = (gb)->index
#define OPEN_READER_NOSIZE(name, gb) \
unsigned int name ## _index = (gb)->index; \
av_unused unsigned int name ## _cache
OPEN_READER_NOSIZE_NOCACHE(name, gb); \
unsigned int name ## _cache
#if UNCHECKED_BITSTREAM_READER
#define OPEN_READER(name, gb) OPEN_READER_NOSIZE(name, gb)
#define OPEN_READER_SIZE(name, gb) ((void)0)
#define BITS_AVAILABLE(name, gb) 1
#else
#define OPEN_READER_SIZE(name, gb) unsigned int name ## _size_plus8 = (gb)->size_in_bits_plus8
#define OPEN_READER(name, gb) \
OPEN_READER_NOSIZE(name, gb); \
unsigned int name ## _size_plus8 = (gb)->size_in_bits_plus8
OPEN_READER_SIZE(name, gb)
#define BITS_AVAILABLE(name, gb) name ## _index < name ## _size_plus8
#endif
@@ -378,7 +382,8 @@ static inline unsigned int show_bits(GetBitContext *s, int n)
static inline void skip_bits(GetBitContext *s, int n)
{
OPEN_READER(re, s);
OPEN_READER_NOSIZE_NOCACHE(re, s);
OPEN_READER_SIZE(re, s);
LAST_SKIP_BITS(re, s, n);
CLOSE_READER(re, s);
}