[mythtv] [mythtv-commits] mythtv branch master updated by jyavenard. v0.27-pre2-1497-g3c8f209

[Anthony Giggins]

On 19 June 2013 12:46, George Nassas <gnassas at mac.com> wrote:

> On 2013-06-18, at 8:08 PM, Jean-Yves Avenard wrote:
>
> > On 19 June 2013 08:58, George Nassas <gnassas at mac.com> wrote:
> >
> >> jumping forward or backward gets Apple's player into some kind of mode
> where the sound warbles and gradually loses sync with the video
> >
> > do you get this when you don't seek within playback?
>
> No. I streamed the entire 30 minute program and it was spot on.
>
> >> VideoDecodeBuffer avformatdecoder.cpp:4622 (GetFrame) - AFD: Audio
> 40320680 ms behind video but already 220 video frames queued. AV-Sync might
> be broken.
> >
> > can you upload the entire file somewhere so I could try reproducing it ?
>
> It’s a 5 gig file. If you’re still game contact me off list and I’ll set
> up something where you can scp it off my mythbox. I just upgraded my DSL to
> 10Mbits outgoing and I would love to saturate the line.
>
> Failing that I put the first 95 megs at
> http://users.vianet.ca/gnassas/AudioProblem.mpg
>
> >> Possibly the output of lossless transcode disagrees with what
> avformatdecoder wants to see at the beginning of a video? The resulting
> stream takes forever to start in the player and is audio-only, I get blank
> for the video.
> >
> > how does playing the original file work?
>
> Playing with the frontend gives around 9 seconds of silence then audio,
> playing on my mac with MPlayerX gives audio from the beginning.
>
> - George
>
> That sounds similar to what I'm seeing from transcoded recordings in 0.26
also, I've raise http://code.mythtv.org/trac/ticket/11593

I've tried rebuilding the recordings after transcoding using ffmepg, if
anyone has any other suggestions I'd love to get my lossless tranconding
working again.

Cheers,

Anthony
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