[linux-dvb] Re: VDR 0.80pre8

[Matthias Weingart <matthias@pentax.boerde.de>]

On Mon, 28 May 2001, Ralph Metzler wrote:

>  > 3. Audio "chopped" during replay
> 
> These will be fixed in the next version.
> Some channels really seem to have a big offset between audio and
> video and if the video buffer is too small, the audio for the video
> data at the buffer exit sometimes has not arrived yet -> audio underflow.
> This works fine during normal TV watching since the
> hardware/firmware ROM can use the overflow buffer in DRAM.
> During playback I cannot (don't know how to) do this and thus need 
> more of the original video buffer space.
> 
> This will probably be bad for VDR because there is now about 30KB less
> OSD memory and I don't know yet if I need more. 
> I checked for audio buffer underflows in a longer recording of ZDF
> during this "music awards thing" (lots of motion and sound) and 
> adjusted the buffer until the dropouts went away. If they still occur
> I will have to reclaim more memory.

A remuxing of the recorded stream (to have small audio/video delay)
should solve the problem too? I think the problem should be cured with
remuxing instead making the OSD unusable :-/

Matthias



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