[linux-dvb] Re: AW: VDR 0.80pre8, current CVS OSD problems

[Ralph Metzler <rjkm@convergence.de>]

Klaus Schmidinger writes:
 > Ralph Metzler wrote:
 > > 
 > > Klaus Schmidinger writes:
 > >  > Ralph Metzler wrote:
 > >  > >
 > >  > > Viewing the live broadcast works because the firmware(ROM)/RTSL
 > >  > > offers a mechanism which uses an overflow buffer in DRAM (as opposed
 > >  > > to the SDRAM where the normal buffers, OSD, etc. have to be).
 > >  > > This overflow buffer (if configured) is automatically used when the
 > >  > > video buffer is full. Data is DMAed to/from the buffer as needed.
 > >  > > Without this normal TV watching also does not work correctly with the
 > >  > > increased OSD memory.
 > >  >
 > >  > But "normal watching" used to work just fine for the past year or so, and
 > >  > I don't think that the OSD memory has been _increased_ since then. So what
 > >  > has changed that caused normal viewing to suddenly fail?
 > > 
 > > Did you actually read what I wrote above?
 > 
 > Yes, I did, but maybe I didn't understand it...
 > 
 > I thought you were referring to the problems I reported recently when
 > recording from the ZDF channel. The signal that came out of the AV-out
 > connectors was heavily distorted when recording and I assumed that you
 > meant that AV-out signal when you wrote "normal TV watching".


No, I did not mean that. 
I still was not able to reproduce this problem.


What I meant is that without enabling the overflow buffer mechanism
(which is trivial now, but wasn't the time I first tried to use it)  
also normal TV watching has distortions with the reduced video 
buffer.


Ralph


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