1. ffmpeg
  2. Commit 6b65f46673d8efa3d9323307f000ba32c95f94d8
Browse code

avformat/mov: Break out of inner loop early in mov_estimate_video_delay()

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

Reviewed-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Reviewed-by: Sasi Inguva <isasi@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit aba13dc13e5233545bdd06f514e0addbb0155c69)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Michael Niedermayer authored on 2018/07/11 09:17:58
Showing 1 changed files
libavformat/mov.c
History View file @ 6b65f46
... ... 
@@ -3330,6 +3330,8 @@ static void mov_estimate_video_delay(MOVContext *c, AVStream* st) {
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                 if (pts_buf[j] < pts_buf[r]) {
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                     FFSWAP(int64_t, pts_buf[j], pts_buf[r]);
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                     ++num_swaps;
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+                } else {
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+                    break;
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                 }
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                 j = r;
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             }