How to crop video on Android/Gstreamer with glimagesink
nicolas at ndufresne.ca
Sun Feb 2 02:17:06 UTC 2020
Le samedi 01 février 2020 à 13:21 -0800, Gregoire Gentil a écrit :
> I would like to crop the rendering of a video playback in Android which
> uses glimagesink.
> I can do the job by inserting a videocrop element before glimagesink but
> I would like to achieve the same goal by using the "render-rectangle"
> property of glimagesink - the objective is that the crop operation is
> done by the GPU, not the CPU. That doesn't work.
> gst_video_overlay_set_render_rectangle doesn't work either.
> Am I missing something?
Unfortunatly, glimagesink does not implement crop meta. You could use
glvideomixer to simulate it, but that's not ideal.
gst_video_overlay_set_render_rectangle() is meant to position the
render rectangle within a your window, the content is expected to be
You can also do that using your own shader and glshader element.
> Thanks in advance,
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