[mythtv-users] Sound a second behind video

[Mark Hutchinson]

On 12-Mar-08, at 10:51 AM, Michael T. Dean wrote:

> On 03/12/2008 08:12 AM, Mark Hutchinson wrote:
>> On 12-Mar-08, at 12:16 AM, Michael T. Dean wrote:
>>> On 03/11/2008 11:05 AM, Mark Hutchinson wrote:
>>>
>>>> Running latest 21 ATRPMS on F8.
>>>> Capture via firewire.
>>>> Nvidia 7300 on 1280x1024 monitor. ( latest livna nvidia drivers  
>>>> 169 )
>>>> Audigy B PCU sound card
>>>> I have tried all playback profiles ( and a few custom ones ) but am
>>>> seeing all audio about a second(ish) behind video.
>>>> Aggressive audio enabled.
>>>>
>>> Have you tried plugging in directly to your TV's tuner?  I would  
>>> guess
>>> it's the re-broadcaster (cable/satellite company) or their STB.
>> Yes, it is perfect directly into the TV.
>> It also works perfectly watching live TV if it is HD.
>> If the live TV is SD, sound is delayed 1 second(ish)
>>
>> SD is totally unwatchable.
>
> BTW, you've probably mentioned this, but I don't remember and don't  
> feel
> like digging through all the posts, but did you try playing back the
> recording with other media players (i.e. mplayer, vlc, xine, and--if
> possible--some Windows based media players) to determine whether the
> file is corrupt or if it's just a problem with Myth's playback of  
> the file.
>
> If the problem is in Myth's playback, playing it with ffplay (which
> comes with ffmpeg) would be a good test of whether it's a Myth problem
> or an upstream (ffmpeg) problem.  Ideally, you would play it back with
> the ffplay from the ffmpeg SVN revision MythTV 0.21 is currently using
> (I'm pretty sure that's ffmpeg revision 11051).
>
> Mike
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mplayer is fine with the file.
The Internal player audio is off.
Please, try it for yourself.
It starts with 3 commercials. The third one is two kids talking.  It  
is obvious that the audio is off with the internal player.

Here is  the file.
http://onnow.net/syncprob.mpg
Just do a wget on it.