[FFmpeg-cvslog] avcodec/rl: Avoid branch in index lookup
Andreas Rheinhardt
git at videolan.org
Thu Jul 3 21:55:07 EEST 2025
ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at outlook.com> | Sat Jun 14 23:53:36 2025 +0200| [ba79fff6d523e04758aa59f82ddfe2dc06ae4678] | committer: Andreas Rheinhardt
avcodec/rl: Avoid branch in index lookup
This uses the same logic as the MPEG-1/2 and SpeedHQ encoders.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ba79fff6d523e04758aa59f82ddfe2dc06ae4678
---
libavcodec/rl.h | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/libavcodec/rl.h b/libavcodec/rl.h
index c45d8659d1..2588de2440 100644
--- a/libavcodec/rl.h
+++ b/libavcodec/rl.h
@@ -100,13 +100,9 @@ do { \
static inline int get_rl_index(const RLTable *rl, int last, int run, int level)
{
- int index;
- index = rl->index_run[last][run];
- if (index >= rl->n)
- return rl->n;
if (level > rl->max_level[last][run])
return rl->n;
- return index + level - 1;
+ return rl->index_run[last][run] + level - 1;
}
#endif /* AVCODEC_RL_H */
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