Hi,
On Android, a media player can only render to texture or directly to screen. We
currently only support rendering to texture.
The texture is created by the Android Qt Multimedia plugin following a callback
from the QSGVideoNode in the scenegraph thread. That callback is a hack and
doesn't allow custom QAbstractVideoSurface to work unless they replicate it.
I'll find another way to have it working without the hack. In the meantime, you
can have your custom surface working by disabling the scenegraph threaded
rendering with qputenv("QSG_RENDER_LOOP", "basic").
Another thing you need to know is that the texture you'll get uses the
GL_TEXTURE_EXTERNAL_OES texture target and not the regular GL_TEXTURE_2D
target. You can find some information about this here
http://developer.android.com/reference/android/graphics/SurfaceTexture.html and
here
http://www.khronos.org/registry/gles/extensions/OES/OES_EGL_image_external.txt
--
Yoann
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