[mythtv-users] Audio problem with MP4 containing multichannel AAC

Christopher Kerr mythtv at theseekerr.com
Wed Jan 20 14:40:00 UTC 2010


On Tue, Jan 19, 2010 at 3:10 PM, Christopher Kerr <mythtv at theseekerr.com> wrote:
> Hi everyone,
>
> When playing back MP4 video containing multichannel AAC audio, the
> audio is distorted. I don't know if this happens with other container
> formats, I haven't tried it.
>
> The video plays back correctly with VLC and mplayer.
>
> A full playback log can be found at http://pastebin.com/m3a4ef4af
>
> The relevant sections appear to be these:
>
> 2010-01-19 12:59:38.721 NVP::AddAudioData():p1: Audio buffer overflow,
> audio data lost!
> 2010-01-19 12:59:38.778 NVP(0): Video is 30 frames ahead of audio,
>                        doubling video frame interval to slow down.
>
> Any help would be appreciated,
> - Chris
>

I know bumping is discouraged on this list, but I think this one may
have just slipped under the radar. Anyone have any idea what's going
on?

- Chris


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