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| author | Michael Niedermayer <michael@niedermayer.cc> | 2024-10-16 14:39:20 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2024-10-24 23:01:14 +0200 |
| commit | d147b3d7ecba2bd40cb45284f920238da97a95ee (patch) | |
| tree | eedd9175c08795404d561cfb1d8c2d9f271c94b2 | |
| parent | 67adb303228a5d8e2abe860b7748004cc83ca65f (diff) | |
| download | ffmpeg-d147b3d7ecba2bd40cb45284f920238da97a95ee.tar.gz | |
avcodec/rangecoder: only perform renorm check/loop for callers that need it
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/rangecoder.h | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/libavcodec/rangecoder.h b/libavcodec/rangecoder.h index 89d178ac31..110908d6bd 100644 --- a/libavcodec/rangecoder.h +++ b/libavcodec/rangecoder.h @@ -62,7 +62,6 @@ void ff_build_rac_states(RangeCoder *c, int factor, int max_p); static inline void renorm_encoder(RangeCoder *c) { // FIXME: optimize - while (c->range < 0x100) { if (c->outstanding_byte < 0) { c->outstanding_byte = c->low >> 8; } else if (c->low <= 0xFF00) { @@ -81,7 +80,6 @@ static inline void renorm_encoder(RangeCoder *c) c->low = (c->low & 0xFF) << 8; c->range <<= 8; - } } static inline int get_rac_count(RangeCoder *c) @@ -108,7 +106,8 @@ static inline void put_rac(RangeCoder *c, uint8_t *const state, int bit) *state = c->one_state[*state]; } - renorm_encoder(c); + while (c->range < 0x100) + renorm_encoder(c); } static inline void refill(RangeCoder *c) |