[mythtv] FFmpeg sync

Steven Adeff adeffs.mythtv at gmail.com
Thu Sep 18 17:56:59 UTC 2008

On Tue, Sep 16, 2008 at 2:21 AM, Paul Kendall <paul at kcbbs.gen.nz> wrote:
> On Tuesday 16 September 2008 12:45:25 Janne Grunau wrote:
>> Hi,
>> It's FFmpeg sync time. I made patches and my git mirror[1] of mythtv's
>> svn repository available to testers in the #mythtv irc channel on
>> freenode.
>> I think the sync is pretty stable and I'm only aware of
>> one "regression". The volume of FFmpeg's native AC3 decoder after
>> downmixing 5.1 audio to stereo. I've compared the implementation with
>> the specs and I'm pretty sure that the implemantion is correct.
>> Previously we amplified the audio during downmixing but I don't think it
>> belongs there. It looks as if the code correct and more importly the
>> AC3 can use now a SIMD implemation of the downmixing function.
> Woot! Once this is in trunk I will update my patch for LATM/AAC support and
> provide a ticket so it can (hopefully) be included as well.
>> Janne
> Cheers,
> Paul

anyone know if this fixes the DTS audio in mkv file issue? I've been
having to play my DTS movies in mplayer via mythvideo instead of using
the internal. Of course, that was after mplayer/ffmpeg put the fix in
for this...

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