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Diffstat (limited to 'libavformat/movenc.c')
-rw-r--r--libavformat/movenc.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index feb6a8480b..bb2504fa5f 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -3242,6 +3242,9 @@ static int mov_flush_fragment(AVFormatContext *s)
avio_write(s->pb, buf, buf_size);
av_free(buf);
+ if (mov->flags & FF_MOV_FLAG_FASTSTART)
+ mov->reserved_header_pos = avio_tell(s->pb);
+
mov->moov_written = 1;
mov->mdat_size = 0;
for (i = 0; i < mov->nb_streams; i++) {