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




On Wed, Sep 17, 2014 at 8:17 PM, Reimar DÃffinger
<Reimar.Doeffinger@xxxxxx> wrote:
> On Wed, Sep 17, 2014 at 07:42:39PM +0200, Reimar DÃffinger wrote:
>> On Sun, Sep 14, 2014 at 09:34:48PM +0100, Andy Furniss wrote:
>> > Grozdan wrote:
>> > >Hi,
>> > >
>> > >I've noticed a problem when using Blu-ray input together with demuxer
>> > >lavf. The MPlayer cmd is as follows
>> > >
>> > >mplayer br:// -bluray-device disc.br -vo null -vc dummy -demuxer lavf -frames 1
>> > >
>> > >The problem is that MPlayer does not stop after reading one frame
>> > >(-frames 1) but goes on to read the *full* Blu-ray, until the end. You
>> > >can imagine doing this on a 30-50GB bluray input. It trashes the disk
>> > >until it reaches the end of the BD
>> > >
>> > >The same goes if you use something simple as: mplayer br://
>> > >-bluray-device disc.br -demuxer lavf
>> > >
>> > >I've tried to get it work but was not able to do it. The only option
>> > >is to omit -demuxer lavf which then "works" but the terminal gets
>> > >spammed with error messages and playback is virtually impossible!
>> >
>> > Hmm, so it does - there is a workaround though -
>> >
>> > -cache 20000 "fixes" -demuxer lavf for me testing with an encrypted disc
>> > dumped on HD (for which I have the vuk of course).
>>
>> I think there are at least 2 bugs :(.
>> MPlayer asks bd_seek to seek to a completely nonsense position:
>> s->pos=548000  newpos=7F94F8105800  new_bufpos=7F94F8106179  buflen=0
>> However instead of either seeking to EOF or returning an error, bd_seek
>> just does nothing.
>> The bd_seek documentation unfortunately says nothing at all about what
>> happens for errors.
>
> I fixed a good bunch of issues, hopefully all this works more reasonably
> now.

Thanks, Reimar. Seems to work now :)

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-- 
Yours truly
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