[mythtv] readAdjust -> UI unresponsiveness.

[Isaac Richards]

On Sunday 05 February 2006 12:09, Daniel Kristjansson wrote:
> On Sun, 2006-02-05 at 10:24 -0500, Daniel Kristjansson wrote:
> > On Sun, 2006-02-05 at 03:26 -0500, Isaac Richards wrote:
> > > On Sunday 05 February 2006 03:22, Isaac Richards wrote:
> > > > On Saturday 04 February 2006 23:55, Daniel Kristjansson wrote:
> > > > > NOTE: I had to remove the front end log due to size constraints
> > > >
> > > > Good thing I had access to the list moderation log, since where it
> > > > went wrong was in parts of the log you cut out. =)
> >
> > Oops!
> >
> > > > Try with 8866 - I bet that fixes all these related issues.
> > >
> > > Err, make that 8867.  Left in the 'switch every 20 seconds' stuff in
> > > 8866. =)
> >
> > I seem to be getting a different problem, The NVP exits the decoder
> > loop and VideoOutput class is being deleted while watching LiveTV.
> > It appears the TV class continues to soldier on, but too little
> > effect. There is a little excerpt below. I'll look at this in more
> > detail after breakfast...
>
> So it looks like this problem occurs because the avformatdecoder hits
> the end of the ringbuffer after RingBuffer::OpenFile() returns true
> but before the read ahead thread gets any data. The avformatdecoder
> then tells the NVP that it has hit the EOF, and since there is no
> program after the current one the NVP bails. I believe this occurs
> mostly on low bitrate channels, such as the weather channel.
>
> What happens is that OpenFile() returns as soon as there are about 200
> bytes in the file, but the read ahead thread doesn't return any data
> until there is at least 128KB of data. Or, even more if ffmpeg thinks
> the bitrate is higher than it actually is...

Jump needed the same fix as Switch.

Isaac