Hi Daniel/Terry,
Thought I'd confirm that commenting out the Delete/createBuffers() gets
channel change working for me too. ;-)
Neale.
Terry Barnaby wrote:
> Hi Daniel,
>
> XvMC VLD in a Via M10K box is now working better, but still not right.
> The main problem now is that sometimes channel changes work and
> sometimes they don't.
> I have tracked this down to an issue with the OSD.
> When the channel change fails the code is stuck in
> VideoOutputXv::GetAvailableOSD() in the loop:
> while (!xvmc_osd_available.size())
> {
> xvmc_osd_lock.unlock();
> usleep(50);
> xvmc_osd_lock.lock();
> }
> The error messages from mythfront end are:
> "Timed out waiting for free video buffers."
>
> I suspect there is a race hazard between the OSD for the channel
> change and the re-initialisation of the XvMC system in:
> VideoOutputXv::InputChanged().
>
> I suspect that VideoOutputXv::InputChanged() should close down
> the OSD before doing anything and then re-initialise after deleting
> and re-instating the Video buffers.
> Actually, is it actually necessary to delete and re-create the
> Video buffers (could be done only if frame size has changed) ??
> I actualy removed the deletion and re-creation of the video buffers
> and the channel channes appeared to work Ok then.
>
> I can look into this a bit more but you might be able to see the
> cause and solution from the information above.
>
> Terry
>
>
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