[FFmpeg-devel] [PATCH] avformat/matroskadec: Fix cluster parsing loop which gathers seek information

wm4 nfxjfg at googlemail.com
Wed Oct 22 15:01:48 CEST 2014


On Wed, 22 Oct 2014 06:09:10 -0500
Rodger Combs <rodger.combs at gmail.com> wrote:

> 
> > On Oct 21, 2014, at 21:38, Michael Niedermayer <michaelni at gmx.at> wrote:
> > 
> > Fixes Ticket2263
> > Fixes Ticket3934
> > 
> > Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
> > ---
> > libavformat/matroskadec.c |    4 ++--
> > 1 file changed, 2 insertions(+), 2 deletions(-)
> > 
> > diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
> > index b742319..2ef3222 100644
> > --- a/libavformat/matroskadec.c
> > +++ b/libavformat/matroskadec.c
> > @@ -2921,11 +2921,11 @@ static int matroska_read_seek(AVFormatContext *s, int stream_index,
> >         goto err;
> >     timestamp = FFMAX(timestamp, st->index_entries[0].timestamp);
> > 
> > -    if ((index = av_index_search_timestamp(st, timestamp, flags)) < 0) {
> > +    if ((index = av_index_search_timestamp(st, timestamp, flags)) < 0 || index == st->nb_index_entries - 1) {
> >         avio_seek(s->pb, st->index_entries[st->nb_index_entries - 1].pos,
> >                   SEEK_SET);
> >         matroska->current_id = 0;
> > -        while ((index = av_index_search_timestamp(st, timestamp, flags)) < 0) {
> > +        while ((index = av_index_search_timestamp(st, timestamp, flags)) < 0 || index == st->nb_index_entries - 1) {
> >             matroska_clear_queue(matroska);
> >             if (matroska_parse_cluster(matroska) < 0)
> >                 break;
> > -- 
> > 1.7.9.5
> > 
> > _______________________________________________
> > ffmpeg-devel mailing list
> > ffmpeg-devel at ffmpeg.org
> > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
> 
> 
> Looks good to me, and does fix the problem for my files.

But it's not a complete fix, or is it?


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