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avcodec/rangecoder: Avoid checking for the first byte on every renormalization

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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer 2024-10-16 21:08:31 +02:00
parent 832649986c
commit 70fa8bd38c
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1 changed files with 3 additions and 4 deletions
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7
libavcodec/rangecoder.h
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@ -62,10 +62,9 @@ void ff_build_rac_states(RangeCoder *c, int factor, int max_p);
static inline void renorm_encoder(RangeCoder *c)
{
// FIXME: optimize
if (c->outstanding_byte < 0) {
c->outstanding_byte = c->low >> 8;
} else if (c->low <= 0xFF00) {
*c->bytestream++ = c->outstanding_byte;
if (c->low <= 0xFF00) {
*c->bytestream = c->outstanding_byte;
c->bytestream += c->outstanding_byte >= 0;
for (; c->outstanding_count; c->outstanding_count--)
*c->bytestream++ = 0xFF;
c->outstanding_byte = c->low >> 8;