openshot.developers team mailing list archive

[Jonathan Thomas <jonathan.oomph@xxxxxxxxx>]

I confirmed that the consumer is being stopped after a few seconds.
I'm not sure why though.  I'll look into it.

Thanks,
-Jonathan

On Fri, Feb 19, 2010 at 9:42 PM, Dan Dennedy <dan@xxxxxxxxxxx> wrote:
> On Fri, Feb 19, 2010 at 6:56 PM, Jonathan Thomas
> <jonathan.oomph@xxxxxxxxx> wrote:
>> Dan,
>> Thanks for the suggestions.  The "sdl_preview" worked fine.  However,
>> I was unable to figure out the consumer.set('refresh', 1).  For
>> example, if the video is paused for a few seconds, any resize to the
>> screen will make the video area disappear (not redraw).  I figure the
>> .set('refresh', 1) method is supposed to tell the consumer to draw a
>> frame of video back to the sdl window?  Are we sure that "refresh" is
>> the correct setting?  It does not appear to have any effect.
>
> Yes, refresh is correct. Are you telling the consumer to stop or
> setting the speed to 0 to pause it?
>
>>
>> On Fri, Feb 19, 2010 at 3:59 PM, Dan Dennedy <dan@xxxxxxxxxxx> wrote:
>>> On Fri, Feb 19, 2010 at 12:13 PM, Jonathan Thomas
>>> <jonathan.oomph@xxxxxxxxx> wrote:
>>>> Dan,
>>>>
>>>> We do not use melt for rendering, only to determine which audio and
>>>> video codecs are installed.  We have a single video thread, that
>>>> either hooks up to a sdl consumer for previewing or a avformat
>>>> producer for rendering.  So, I'm not sure if I need to add the
>>>> NO_VDPAU flag.  What would you suggest?
>>>
>>> No, do not worry about it unless you want to give users a preference
>>> setting to turn it off to aid with troubleshooting or workaround
>>> incompatibility.
>>>
>>>> We have a bug report on LaunchPad explaining how to upgrade
>>>> libsdl1.2debian to version 1.2.14.  Other than that, we do not have
>>>> much recommending that users upgrade.
>>>
>>> OK, just wondering as a result of a Kdenlive support issue.
>>>
>>>> I was unaware that the sdl_preview consumer existed. =)  You might
>>>> have told me before, now that you mention it, but that sounds much
>>>> better than the sdl consumer.  I had noticed that sdl just never lets
>>>> up on the CPU.  I will see if I can't integrate the sdl_preview into
>>>> version 1.1 of OpenShot, before we release it.
>>>
>>> Yeah just .set('refresh', 1) when needed when paused and seeking or
>>> adjusting effect param.
>>>
>>>> Thanks for the feedback!
>>>> -Jonathan
>>>>
>>>> On Fri, Feb 19, 2010 at 12:02 PM, Dan Dennedy <dan@xxxxxxxxxxx> wrote:
>>>>> Are you running melt or a separate child process to render? If so, did
>>>>> you heed my warning and set the MLT_NO_VDPAU environment variable?
>>>>>
>>>>> Finally, how are you recommending Ubuntu 9.10 users get the
>>>>> libsdl1.2debian v1.2.14 from the luci repo that fixes the video
>>>>> display issues on some systems?
>>>>>
>>>>> I will try to get around to some testing myself. One thing I noticed
>>>>> recently is that you are using the sdl consumer and not the
>>>>> sdl_preview. sdl_preview is not a perfect drop-in replacement - you
>>>>> will need to add set-property calls to tell it when to refresh.
>>>>> Basically, when you are paused, sdl continually updates the frame
>>>>> using CPU during what appears to be an idle state, but sdl_preview
>>>>> does not. sdl_preview also gets off of the XVideo port when paused so
>>>>> another media player can obtain it for better quality video playout
>>>>> making it more friendly in a multi-tasking desktop environment
>>>>> overall.
>>>>>
>>>>> --
>>>>> +-DRD-+
>>>>>
>>>>
>>>
>>>
>>>
>>> --
>>> +-DRD-+
>>>
>>
>
>
>
> --
> +-DRD-+
>