[FFmpeg-devel] [PATCH 4/4] avformat/mov: Break out of inner loop early in mov_estimate_video_delay()
Michael Niedermayer
michael at niedermayer.cc
Wed Jul 11 03:17:58 EEST 2018
0.266 <- 0.299 sec (this is time ffmpeg so containing alot other things)
Sample for benchmark was: ffmpeg -f rawvideo -pix_fmt yuv420p -s 32x32 -i /dev/zero -t 24:00:00.00 out.mp4
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
libavformat/mov.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libavformat/mov.c b/libavformat/mov.c
index 951a337cca..b0b9fd99cc 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -3331,7 +3331,8 @@ static void mov_estimate_video_delay(MOVContext *c, AVStream* st) {
if (pts_buf[j] < pts_buf[r]) {
FFSWAP(int64_t, pts_buf[j], pts_buf[r]);
++num_swaps;
- }
+ } else
+ break;
j = r;
}
st->codecpar->video_delay = FFMAX(st->codecpar->video_delay, num_swaps);
--
2.18.0
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