PR #20664 opened by mkver URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20664 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20664.patch
(In a lot of instances, the reloads inside GET_VLC are unnecessary. I will look into removing them soon.) >From 67edb1a5c31384de7bf3c160da8132fa933e92e9 Mon Sep 17 00:00:00 2001 From: Andreas Rheinhardt <[email protected]> Date: Wed, 8 Oct 2025 03:12:19 +0200 Subject: [PATCH] avcodec/mjpegdec: Remove unnecessary reload Signed-off-by: Andreas Rheinhardt <[email protected]> --- libavcodec/mjpegdec.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c index 69bc003490..86dd50ce0c 100644 --- a/libavcodec/mjpegdec.c +++ b/libavcodec/mjpegdec.c @@ -853,10 +853,10 @@ static int decode_block(MJpegDecodeContext *s, int16_t *block, int component, i += ((unsigned)code) >> 4; code &= 0xf; + // GET_VLC updates the cache if parsing doesn't finish in the first stage. + // So we always have at least MIN_CACHE_BITS - 9 > 15 bits left here + // and don't need to refill the cache. if (code) { - if (code > MIN_CACHE_BITS - 16) - UPDATE_CACHE(re, &s->gb); - { int cache = GET_CACHE(re, &s->gb); int sign = (~cache) >> 31; -- 2.49.1 _______________________________________________ ffmpeg-devel mailing list -- [email protected] To unsubscribe send an email to [email protected]
