Re: Wishlist: render to OpenGL texture rather than window.

Le jeudi 3 février 2011 15:59:37, Wouter Verhelst a écrit :
> Hi,
> 
> I've been looking through the code of the OpenGL video output plugin in
> Xine, since I was planning on creating an application that uses OpenGL
> but also displays (sometimes small, sometimes large) videos.
> Unfortunately, what I want to do doesn't seem to be possible using the
> OpenGL output plugin: have Xine decode the video into a texture rather
> than into an entire window.
> 
> As I understand the code (xine 1.1.19), it looks like a texture is
> generated, but that texture is displayed by the plugin unconditionally.
> 
> How hard would it be to create the possibility to have the libxine-using
> application set up the GL environment and decide where the animated
> texture needs to be displayed?
> 
> Thanks,

You may want to have a look at the "raw" video out driver.
It takes a pointer to a callback as argument and leaves frames in 
yv12/yuy2/rgb buffers that you can then upload to textures in your app, using 
some shaders for colorspace conversion.
Look for XINE_VO_RAW in xine.h

-- 
Christophe Thommeret


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