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avcodec/rangecoder: Move refill check out of refill() function

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If the function is not inlined, this is more efficient. Also
it allows calling refill() without the check

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2024-10-16 14:53:57 +02:00
parent c314a68d04
commit 832649986c
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GPG Key ID: B18E8928B3948D64
1 changed files with 4 additions and 4 deletions
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8
libavcodec/rangecoder.h
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@ -112,7 +112,6 @@ static inline void put_rac(RangeCoder *c, uint8_t *const state, int bit)
static inline void refill(RangeCoder *c) static inline void refill(RangeCoder *c)
{ {
if (c->range < 0x100) {
c->range <<= 8; c->range <<= 8;
c->low <<= 8; c->low <<= 8;
if (c->bytestream < c->bytestream_end) { if (c->bytestream < c->bytestream_end) {
@ -120,7 +119,6 @@ static inline void refill(RangeCoder *c)
c->bytestream++; c->bytestream++;
} else } else
c->overread ++; c->overread ++;
}
} }
static inline int get_rac(RangeCoder *c, uint8_t *const state) static inline int get_rac(RangeCoder *c, uint8_t *const state)
@ -130,13 +128,15 @@ static inline int get_rac(RangeCoder *c, uint8_t *const state)
c->range -= range1; c->range -= range1;
if (c->low < c->range) { if (c->low < c->range) {
*state = c->zero_state[*state]; *state = c->zero_state[*state];
refill(c); if (c->range < 0x100)
refill(c);
return 0; return 0;
} else { } else {
c->low -= c->range; c->low -= c->range;
*state = c->one_state[*state]; *state = c->one_state[*state];
c->range = range1; c->range = range1;
refill(c); if (c->range < 0x100)
refill(c);
return 1; return 1;
} }
} }