[mythtv-users] Playing h.264/acc with a Stereo only TV?

[Jean-Yves Avenard]

Hi

On 3 June 2010 18:45, Matt Goebel <matt at goebelnet.com> wrote:
> One of my TV's is a couple year old Samsung DLP.  It can't handle 5.1 audio
> on the HDMI port (no sound at all) so I'm using stereo.  I have another LCD
> that can, so I have 5.1 setup there.  This hasn't been a problem until I
> attempted to play an H.264/ACC encoded video... messed up audio on the
> stereo only TV, LCD TV is fine.  Analog outputs have the same problem.  Is
> there some way in Myth (or at the OS level) to tell it to down convert the
> the audio to stereo without having to transcode?

Wait for 0.24 or run current trunk version of MythTV.

ffmpeg doesn't downmix from 5.1 to stereo AAC content. It only downmix
AC3 and DTS (and does a poor job with DTS too)..

In 0.24, mythtv will use its own downmixer for decoder not supporting those.

JY