[mythtv-users] No AAC Audio with Internal Player

Allen Edwards allen.p.edwards at gmail.com
Thu Feb 19 17:36:46 UTC 2009


On Thu, Feb 19, 2009 at 9:30 AM, Kirk Bocek <t004 at kbocek.com> wrote:

>
>
> Allen Edwards wrote:
> >
> >
> > On Thu, Feb 19, 2009 at 9:24 AM, Kirk Bocek <t004 at kbocek.com
> > <mailto:t004 at kbocek.com>> wrote:
> >
> >     I took a stab at this some months ago with no resolution. I just
> >     upgraded to
> >     the ATrpms version 0.21-201 MythTV packages and still have this
> problem.
> >
> >     When I play videos with AAC audio (mp4 files) using the internal
> >     player I get
> >     no audio. The logs show:
> >
> >     2009-02-17 15:15:12.170 AFD: codec AAC has 2 channels
> >     2009-02-17 15:15:12.170 AFD Error: Could not find decoder for codec
> >     (AAC),
> >     ignoring.
> >     2009-02-17 15:15:12.174 AFD: Opened codec 0x21c98da0, id(MPEG4)
> >     type(Video)
> >     2009-02-17 15:15:12.174 NVP: Disabling Audio, params(-1,-1,-1)
> >     2009-02-17 15:15:12.174 NVP: Disabling Audio, params(0,-1,-1)
> >
> >     Switching back to mplayer, I get audio just fine on the same files.
> >
> >     I'm running on CentOS 5.2 x86_64.
> >     ATrpms 0.21-201 packages are based on SVN 19896
> >
> >     Does anyone have any idea what the problem might be?
> >
> >     Thanks,
> >     Kirk Bocek
> >     _______________________________________________
> >     mythtv-users mailing list
> >     mythtv-users at mythtv.org <mailto:mythtv-users at mythtv.org>
> >     http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
> >
> >
> >
> > Did you check out my wiki?
> > http://www.mythtv.org/wiki?title=AllensDigitalAudioHowto
> >
> > Let me know if it helps or not.
> >
> > Allen
>
> Thanks, Allen, I'll keep your resource in mind. But this problem seems to
> be
> on the software player end of things and not on the hardware analog/digital
> output end of things. As I mentioned, mplayer plays the mp4 files just fine
> over my analog output.
>
> Kirk Bocek
>


Make sure you have this setting correct:
Max Audio Channels: Stereo

It will not work if you set it to 5.1 even though that is what you want. It
is a well documented bug.

Allen
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