[vdr] vdr-xine 0.9.3 audio problems

Simon Baxter linuxtv at nzbaxters.com
Sun Oct 4 01:29:28 CEST 2009

>> I've been playing around with these values and have discovered the 
>> following
>> (I only have SD channels - none HD) when replaying recordings.
>> Setting engine.buffers.audio_num_buffers to 2300 (10x default) does help
>> with the skips in audio - where under the default value (230) I
>> intermittantly get 2-3 second jumps in audio.
>> #engine.buffers.video_num_buffers is left at the default of 500. If I set
>> this any higher, fast forwarding or rewinding causes the video to jump 
>> about
>> 90 seconds.
>> engine.buffers.video_num_frames (default 15) I've had to set to 60. 
>> Anything
>> less than this seems to make the video jump 2-3 seconds, in line with the
>> audio_num_buffers described above. With this set to 60, there's no lost
>> audio but video/audio still gets out of sync, and it gets worse and worse
>> for 20 seconds then the audio stops and the video catches up. Also with
>> anything <60, I get PPPPPPPP on the vdr console when replaying 
>> recordings.
>What video card/driver do you use?  I know of another guy with similar
>problems but with my Nvidia 8400GS using vdpau it works fine with just
>default settings.  I've never had to adjust anything.

Card is a NVIDIA GPU GeForce 8400 GS too, but I'm not using the vpdau - as I 
currently have no HD or H.264 content.

Do you think I should change to vpdau anyway??

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