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Merge commit 'b574e1e97ea7067a5fcd3876e30a67df0e4e6611'

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* commit 'b574e1e97ea7067a5fcd3876e30a67df0e4e6611':
  get_bits: Add OPEN_READER macro variant w/o size_plus8

Conflicts:
	libavcodec/get_bits.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-09-05 19:08:27 +02:00
commit 8c6cfffa01
2 changed files with 8 additions and 7 deletions
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2
libavcodec/dvdec.c
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@ -96,7 +96,7 @@ 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

@ -125,17 +125,18 @@ 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
#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
@ -286,7 +287,7 @@ static inline unsigned int get_bits_le(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);
av_assert2(n>0 && n<=25);
UPDATE_CACHE(re, s);
tmp = SHOW_UBITS(re, s, n);