On Mon, Nov 05, 2018 at 11:17:25AM -0800, Aaron Boushley wrote: > When parsing a fragmented MP4 with the use_mfra_for option set so that > the mfra box is parsed we currently continue to parse all the top level > boxes in the mp4. We also avoid using the index in mov_seek_fragment > unless the fragment index is marked as complete, which the mfra parsing > code never does. > > This updates the mfra parsing code to mark the fragment index as > complete, similar to the way the sidx parsing code does. > > With this change in place mov_read_default stops parsing top level boxes > in a fragmented mp4 and uses the mfra data for mov_seek_fragment calls > (assuming a use_mfra_for option is passed). When loading the file over a > network this results in significantly better performance since > avformat_open_input doesn't require a scan of the entire file. > > Signed-off-by: Aaron Boushley <boush...@gmail.com> > --- > libavformat/mov.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/libavformat/mov.c b/libavformat/mov.c > index ec57a05803..1def594626 100644 > --- a/libavformat/mov.c > +++ b/libavformat/mov.c > @@ -7344,6 +7344,8 @@ static int mov_read_mfra(MOVContext *c, AVIOContext > *f) > if (ret < 0)
patch is corrupted by a newline [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Let us carefully observe those good qualities wherein our enemies excel us and endeavor to excel them, by avoiding what is faulty, and imitating what is excellent in them. -- Plutarch
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