Great, I got some test code running now showing the window and hiding it
straight away. I think this will be a good approach.
Gabriel.
http://lives.sourceforge.net
https://www.openhub.net/accounts/salsaman
On Wed, Sep 17, 2014 at 10:11 AM, salsaman <[email protected]> wrote:
> Ahem...
> http://sourceforge.net/p/lives/code/HEAD/tree/trunk/tools/lives-glc-play
> as you can see I have experimented with glc before. Unfortunately it still
> shows the program on the screen. But yes it can be used to capture/display
> any openGL program in LiVES. I have used it before to capture clips from
> Second Life for example. So that is one possibility that can be done
> already but it is not ideal.
>
> Yesterday I tested running projectM in a framebuffer X (Xvfb), but it did
> not work - the first thing that projectM does is to check the openGL
> extensions, which makes it crash since the framebuffer doesn't have any...
>
> I think that best solution is to create the window and hide it. This can
> even be done at startup time if the projectM wrapper is loaded. SDL 2.0 has
> a function for this, but SDL 1.2 which projectM uses does not. So basically
> I tried messing with X directly (XUnmapWindow) but for some reason my first
> test crashed in that function. Anyway I will keep on trying via this route.
>
>
> Regards,
> Gabriel.
>
>
>
>
>
> http://lives.sourceforge.net
> https://www.openhub.net/accounts/salsaman
>
> On Wed, Sep 17, 2014 at 5:58 AM, Harrie Hoogeveen <
> [email protected]> wrote:
>
>> hmm, I was looking around and found someone who has managed to capture
>> projectm to video with GLC: https://wiki.archlinux.org/index.php/GLC
>> Its a OpenGl / Alsa capture tool and its open source. But I am not sure
>> if it will record without running the program on screen.
>> Source: http://ubuntuforums.org/showthread.php?t=1497453
>>
>> On Tue, Sep 16, 2014 at 7:05 PM, salsaman <[email protected]> wrote:
>>
>>> OK, so it seems it is not as simple as I had hoped. ProjectM uses
>>> openGL, which means that it requires a physical window on the screen to do
>>> its drawing stuff. Some time ago I did a hack with xscreensaver which
>>> involved starting up an entire second Xwindows server (!) which was not
>>> attached to any screen, and it did all its drawing there. Actually it is
>>> not as bad as it sounds ! In that case it was possible to grab the contents
>>> of the window without displaying it and then pull it straight into LiVES. I
>>> check if a similar hack can be done here.
>>>
>>> Otherwise, it may be possible by creating the window and then quickly
>>> hiding it, but that is not a great solution either.
>>>
>>>
>>> Regards,
>>> Gabriel.
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> http://lives.sourceforge.net
>>> https://www.openhub.net/accounts/salsaman
>>>
>>> On Tue, Sep 16, 2014 at 10:09 AM, Harrie Hoogeveen <
>>> [email protected]> wrote:
>>>
>>>> My thought: There is also a menu that can be in or external of the
>>>> projectm window:
>>>> http://i1.wp.com/imagecdn5.maketecheasier.com/2013/02/projectm-add-to-playlist.png
>>>> There you can manage playlists, plugins and even create new visuals.
>>>> If you manage to make this external control panel available in a separate
>>>> window I think projectM will react to the keyboard short cuts as long as
>>>> the projectM control panel is focused. Also it will give the option to edit
>>>> your visualisers and play lists live. So then you won't have to add the
>>>> extra controls your self.
>>>>
>>>> Regards,
>>>> Harriebo
>>>>
>>>>
>>>> On Tue, Sep 16, 2014 at 2:45 PM, salsaman <[email protected]> wrote:
>>>>
>>>>> Cool, OK. After a quick review, I think the main change will be to
>>>>> buffer one video frame's worth of audio, which would then be transformed
>>>>> and sent to the video generator whenever a new frame is requested. This
>>>>> should improve the libvisual plugins as well as it could be backported to
>>>>> there. LiVES already has the ability to select between internal and
>>>>> external audio too, so this could be a lot of fun.
>>>>>
>>>>>
>>>>> I noted that the projectM plugins can be controlled by keyboard. It
>>>>> will be interesting to see if this keyboard control can be converted to
>>>>> parameterised control. Otherwise it would mean developing some way to
>>>>> forward key presses to the plugin. Perhaps extending the Tab key control
>>>>> which is currently used for text entry in plugins...
>>>>>
>>>>> Regards,
>>>>> Gabriel.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> http://lives.sourceforge.net
>>>>> https://www.openhub.net/accounts/salsaman
>>>>>
>>>>> On Tue, Sep 16, 2014 at 9:24 AM, Harrie Hoogeveen <
>>>>> [email protected]> wrote:
>>>>>
>>>>>> Yes to this! With the projectM panel in a separate window for control
>>>>>> of the plugins.
>>>>>> Have been looking to use better live visualizers for quite a while.
>>>>>>
>>>>>> Harriebo
>>>>>>
>>>>>> On Tue, Sep 16, 2014 at 12:20 AM, salsaman <[email protected]>
>>>>>> wrote:
>>>>>>
>>>>>>> That is a good suggestion. I will see if I can implement a native
>>>>>>> wrapper for LiVES for the next release.
>>>>>>>
>>>>>>> Gabriel.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> http://lives.sourceforge.net
>>>>>>> https://www.openhub.net/accounts/salsaman
>>>>>>>
>>>>>>> On Mon, Sep 15, 2014 at 3:15 PM, tj domingue <[email protected]>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> I was wondering if there is a way to use the projectM visualizers
>>>>>>>> in Lives
>>>>>>>> since there is a libvisual version of projectM? I'm have been
>>>>>>>> trying to just
>>>>>>>> redirect the output of the standalone projectM-jack to a
>>>>>>>> v4l2loopback device
>>>>>>>> with no success.
>>>>>>>>
>>>>>>>> tj
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> ------------------------------------------------------------------------------
>>>>>>>> Want excitement?
>>>>>>>> Manually upgrade your production database.
>>>>>>>> When you want reliability, choose Perforce
>>>>>>>> Perforce version control. Predictably reliable.
>>>>>>>>
>>>>>>>> http://pubads.g.doubleclick.net/gampad/clk?id=157508191&iu=/4140/ostg.clktrk
>>>>>>>> _______________________________________________
>>>>>>>> Lives-users mailing list
>>>>>>>> [email protected]
>>>>>>>> https://lists.sourceforge.net/lists/listinfo/lives-users
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> ------------------------------------------------------------------------------
>>>>>>> Want excitement?
>>>>>>> Manually upgrade your production database.
>>>>>>> When you want reliability, choose Perforce
>>>>>>> Perforce version control. Predictably reliable.
>>>>>>>
>>>>>>> http://pubads.g.doubleclick.net/gampad/clk?id=157508191&iu=/4140/ostg.clktrk
>>>>>>> _______________________________________________
>>>>>>> Lives-users mailing list
>>>>>>> [email protected]
>>>>>>> https://lists.sourceforge.net/lists/listinfo/lives-users
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> ------------------------------------------------------------------------------
>>>>>> Want excitement?
>>>>>> Manually upgrade your production database.
>>>>>> When you want reliability, choose Perforce.
>>>>>> Perforce version control. Predictably reliable.
>>>>>>
>>>>>> http://pubads.g.doubleclick.net/gampad/clk?id=157508191&iu=/4140/ostg.clktrk
>>>>>> _______________________________________________
>>>>>> Lives-users mailing list
>>>>>> [email protected]
>>>>>> https://lists.sourceforge.net/lists/listinfo/lives-users
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> ------------------------------------------------------------------------------
>>>>> Want excitement?
>>>>> Manually upgrade your production database.
>>>>> When you want reliability, choose Perforce.
>>>>> Perforce version control. Predictably reliable.
>>>>>
>>>>> http://pubads.g.doubleclick.net/gampad/clk?id=157508191&iu=/4140/ostg.clktrk
>>>>> _______________________________________________
>>>>> Lives-users mailing list
>>>>> [email protected]
>>>>> https://lists.sourceforge.net/lists/listinfo/lives-users
>>>>>
>>>>>
>>>>
>>>>
>>>> ------------------------------------------------------------------------------
>>>> Want excitement?
>>>> Manually upgrade your production database.
>>>> When you want reliability, choose Perforce.
>>>> Perforce version control. Predictably reliable.
>>>>
>>>> http://pubads.g.doubleclick.net/gampad/clk?id=157508191&iu=/4140/ostg.clktrk
>>>> _______________________________________________
>>>> Lives-users mailing list
>>>> [email protected]
>>>> https://lists.sourceforge.net/lists/listinfo/lives-users
>>>>
>>>>
>>>
>>>
>>> ------------------------------------------------------------------------------
>>> Want excitement?
>>> Manually upgrade your production database.
>>> When you want reliability, choose Perforce.
>>> Perforce version control. Predictably reliable.
>>>
>>> http://pubads.g.doubleclick.net/gampad/clk?id=157508191&iu=/4140/ostg.clktrk
>>> _______________________________________________
>>> Lives-users mailing list
>>> [email protected]
>>> https://lists.sourceforge.net/lists/listinfo/lives-users
>>>
>>>
>>
>>
>> ------------------------------------------------------------------------------
>> Want excitement?
>> Manually upgrade your production database.
>> When you want reliability, choose Perforce
>> Perforce version control. Predictably reliable.
>>
>> http://pubads.g.doubleclick.net/gampad/clk?id=157508191&iu=/4140/ostg.clktrk
>> _______________________________________________
>> Lives-users mailing list
>> [email protected]
>> https://lists.sourceforge.net/lists/listinfo/lives-users
>>
>>
>
------------------------------------------------------------------------------
Want excitement?
Manually upgrade your production database.
When you want reliability, choose Perforce
Perforce version control. Predictably reliable.
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