I noticed this recently as well. The FFmpeg API has changed a lot recently marking a bunch more things that MLT uses as deprecated. So, perhaps MLT avformat needs a thorough review, rework, and retesting to deal with those changes. Let me stress that rework implies a thorough testing against a large number of samples. I have not done much testing with FFmpeg >v2.7, but perhaps consider to not use FFmpeg master with MLT at this time.
On Thu, Nov 19, 2015 at 7:03 AM Maksym Veremeyenko <ve...@m1stereo.tv> wrote: > On 18.11.2015 21:32, Maksym Veremeyenko wrote: > > Hi, > > > > i just noticed that MXF files stop playing in the loop. > > > > after some research i found that /it become/ non-seekable at line > > > https://github.com/mltframework/mlt/blob/master/src/modules/avformat/producer_avformat.c#L600 > > > > i uploaded some reference files i have: > > http://downloads.m1stereo.tv/b7e45b6c33493f8f607803257426cbc5/ > > > > i suspect that it could happens after ffmpeg's commits > > > > [...] > > commit 95584ddac477fa09d055c5ed56b99f94e0eff89f > > Author: Marton Balint <c...@passwd.hu> > > Date: Sun Aug 9 20:32:02 2015 +0200 > > > > mxfdec: set AVFMT_SEEK_TO_PTS demuxer flag > > > > Since 53f2ef2c4afb1d49a679dea9163cb0e4671f3117 seeking is done > > using PTS. > > > > Signed-off-by: Marton Balint <c...@passwd.hu> > > [...] > > commit 53f2ef2c4afb1d49a679dea9163cb0e4671f3117 > > Author: Marton Balint <c...@passwd.hu> > > Date: Sat Jul 11 18:10:12 2015 +0200 > > > > mxfdec: calculate the index in display order > > > > This should fix seeking for open GOP files as well. > > > > Reviewed-by: Tomas Härdin <tomas.har...@codemill.se> > > Signed-off-by: Marton Balint <c...@passwd.hu> > > [...] > > > > > > adding AVSEEK_FLAG_ANY to *av_seek_frame* calls in *producer_avformat.c* > solves seeking but audio become out of sync. > > > -- > Maksym Veremeyenko >
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