[FFmpeg-devel] [SCISYS Possible Spam] Re: [PATCH v5] avformat/mov: Memory optimization with QuickTime/MP4

[Carl Eugen Hoyos]

Am Mo., 16. Dez. 2019 um 12:13 Uhr schrieb Jörg Beckmann
<Joerg.Beckmann at scisys.com>:
>
>
> > -----Ursprüngliche Nachricht-----
> > Von: ffmpeg-devel <ffmpeg-devel-bounces at ffmpeg.org> Im Auftrag von Carl
> > Eugen Hoyos
> > Gesendet: Montag, 16. Dezember 2019 11:50
> > An: FFmpeg development discussions and patches <ffmpeg-devel at ffmpeg.org>
> > Betreff: [SCISYS Possible Spam] Re: [FFmpeg-devel] [PATCH v5] avformat/mov:
> > Memory optimization with QuickTime/MP4
> >
> > Am Mo., 9. Dez. 2019 um 16:05 Uhr schrieb Jörg Beckmann
> > <Joerg.Beckmann at scisys.com>:
> > >
> > > Invents a new option "discard_fragments" for the MP4/Quicktime/MOV decoder.
> > >
> > > If the option is not set, nothing changes at all. If it is set, old
> > > fragments are discarded as far as possible on each call to switch_root.
> >
> > > For pure audio streams, the memory usage is now constant.
> >
> > Is it possible to detect this case?
> > If possible, the new option could have an "auto" setting.
>
> I'm not sure whether it really works with all possible stream types.

Why is it not possible to detect that the stream only contains audio?

Carl Eugen