[vdr] Re: since vdr-1.0.x a lot of restarts in record mode

[UseNet-0205-@zocki.toppoint.de (Rainer Zocholl)]

John.Williams@pcmsdatafit.co.uk(John Williams)  05.06.02 09:34

Once upon a time John Williams shaped the electrons to say...

>Hello,

>I couldn't get vdr 1.0.2 with the AIO patch to record reliably in divx
>mode. It would record for a while, then hang for 30 seconds or so,
>then crash. I've tracked down the problem to a bug in the "ringbuffer"
>code: if the buffer becomes full because the divx encoder cannot keep
>up, the data stream is completely broken.

That would fit to the problem found with almost full disc
(ext3) were the write operation becomes slower/COPU costly 
because it's diffcult to "find"/to move to new free blocks 
on disc. Typical/generally 15% of disc should be free to
avoid such problems. (Old unixes did that by the "10% over quota" 
for the root account...)  

Do XFS users report that problem too?
 

>The following patch solves the problem by throwing away the buffer
>contents when it is full: you get a glitch in the recording, but I
>don't see how this can be avoided if the encoder is too slow:

Yepp. 
Call Doc Einstein and dilatate the time?
Drop entire images/frames?
Turn sound off to make the error not hearable too?
Use more buffers in the hope, that the next frames will be 
easier to encode?






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