[vlc-devel] playback errors

[Pierre d'Herbemont]

On Jul 24, 2008, at 11:39 PM, Derk-Jan Hartman wrote:

> On 24 jul 2008, at 19:48, Felix Paul Kühne wrote:
>> Am 24.07.2008 um 17:40 schrieb Derk-Jan Hartman:
>>> On 24 jul 2008, at 16:53, Georg Seifert wrote:
>>>> hello,
>>>>
>>>> I follow the list and the nightlies for some time now and 0.9
>>>> improves
>>>> stability a lot. But I have one problem. Lot of my .avi files
>>>> (mostly
>>>> xvid) have problems. They start with a black screen and needs
>>>> several
>>>> seconds to show some video and it needs some seconds to get rid of
>>>> the
>>>> blocks. The same happens if I skip forward. Sometimes it helps if I
>>>> hit pause/play.
>>>> Is seems if has some problems finding keyframes.
>>>>
>>>> Nothing of this happens in vlc 0.86.
>>>>
>>>> I use the VLC nightlies, Mac OS X 10.5.4 PPC.
>>>
>>> I've noticed this as well actually. Not sure what is causing it.
>>> Using
>>> something as x264 to make the load higher on the computer shows the
>>> problem even better.
>>
>> ... covered by trac ticket #1719 [1]
>
> That ticket is about mp4 files. how do they relate ?
>
> I have a feeling the problem is as follows. During the start of
> playback of a file, a lot is going on, putting quite some stress on
> the CPU. This results in images already being a bit "late" when they
> are first displayed.

Yes, but this is definitely new.

> Now since 0.9.0 we are animating the resizing of
> the window.

We have that in the 0.8.6 series as well. Can't remember which revision.

> It seems that this is putting quite some extra stress on
> the computer (his being a PPC), causing the images to be even more
> late, and dropped by the computer.

  I do experience the same. I have a pretty new machine.

Pierre.