[MPlayer-dev-eng] Bluray input with -demuxer lavf

[Reimar Döffinger]

On 21 September 2014 15:29:18 GMT+01:00, wm4 <nfxjfg at googlemail.com> wrote:
>On Sun, 21 Sep 2014 16:18:49 +0200
>Grozdan <neutrino8 at gmail.com> wrote:
>
>> On Sun, Sep 21, 2014 at 3:51 PM, wm4 <nfxjfg at googlemail.com> wrote:
>> > On Sun, 21 Sep 2014 10:26:56 +0100
>> > Reimar Döffinger <Reimar.Doeffinger at gmx.de> wrote:
>> >
>> >> On Thu, Sep 18, 2014 at 02:06:04PM +0100, Andy Furniss wrote:
>> >> > Reimar Döffinger wrote:
>> >> > >On 18 September 2014 00:40:14 CEST, Andy Furniss
><adf.lists at gmail.com> wrote:
>> >> >
>> >> > >>On all 3 of my disks (on HD) lavf now works without cache and
>seeking
>> >> > >>works on 2 of them.
>> >> > >>
>> >> > >>One just gets EOF when seeking with lavf with or without
>cache, it
>> >> > >>works
>> >> > >>without lavf.
>> >> > >>
>> >> > >>There are two differences from the working - it's encrypted
>and it's
>> >> > >>also made up of lots of small .m2ts for multilingual reasons I
>guess
>> >> > >>whereas the other 2 the main film is just one large .m2ts.
>> >> > >
>> >> > >I would bet that if you dumpstream'd the title and tried to
>seek in ffplay you'd get the same issue.
>> >> >
>> >> > Yes, ffplay can't seek properly on a dumpstream.
>> >>
>> >> Could you try attached patch (for FFmpeg) on the bluray?
>> >> I have not tested it at all though.
>> >
>> > You don't need this. Bluray works quite well in mpv (as some users
>> > report), and there I just forbid demux_lavf to do seeks.
>> 
>> We're trying to fix mplayer/ffplay issues, not migrate to mpv
>
>It was just a technical suggestion how to fix this. Why solve a problem
>twice?

It's appreciated and I considered such a solution.
However I decided it feels more like a hack/workaround for an FFmpeg bug and I'd rather fix FFmpeg to correctly use the APIs it already offers, assuming I manage to.