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movenc: Place the sidx index after the initial moov/mdat pair 

For fragmented files with non-empty moov, with a fragment index
(sidx), place the index after the initial moov/mdat pair.

Previously, for this pathological case, the index was written
at the start of the file.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2015-08-09 22:40:39 +03:00
parent 83f254e65f
commit 5f200bbf98
1 changed files with 3 additions and 0 deletions
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3
libavformat/movenc.c
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@ -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++) {