[FFmpeg-devel] [PATCH] avformat/movenc: Reduce loop iterations in mov_flush_fragment

Zhao Zhili quinkblack at foxmail.com
Fri May 23 07:01:08 EEST 2025


From: Zhao Zhili <zhilizhao at tencent.com>

---
 libavformat/movenc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 844a371808..5a9e34993f 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -6504,7 +6504,7 @@ static int mov_flush_fragment(AVFormatContext *s, int force)
                       av_rescale(mov->tracks[first_track].cluster[0].dts, AV_TIME_BASE, mov->tracks[first_track].timescale),
                       (has_video ? starts_with_key : mov->tracks[first_track].cluster[0].flags & MOV_SYNC_SAMPLE) ? AVIO_DATA_MARKER_SYNC_POINT : AVIO_DATA_MARKER_BOUNDARY_POINT);
 
-    for (i = 0; i < mov->nb_tracks; i++) {
+    for (i = first_track; i < mov->nb_tracks; i++) {
         MOVTrack *track = &mov->tracks[i];
         int buf_size, write_moof = 1, moof_tracks = -1;
         uint8_t *buf;
-- 
2.46.0



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