> I'm trying to read from /dev/dvb/adapter0/dvr0.
> The problem is that the process reading sometimes is not fast enough and 
> after a while I get errno 
> 75 when I try to read from it.
>
> On average the speed is ok, so it should work.
> There must be a buffer behind dvr0 that goes in error onece it is full.
>
> 1) how can I make it bigger?
> 2) how can I check how full it is?

You can set the *demux* buffer size, upstream from dvr, using ioctl 
DMX_SET_BUFFER_SIZE.
The default value is 8 kB. Using 1 MB, I can do full TS capture without any 
loss. 


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