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I used libvlc_video_set_callbacks() to get YUV frames

I got the following error at runtime:

libvlc: PulseAudio server connection failure: Connection refused
libvlc: cannot connect to session bus: Using X11 for dbus-daemon autolaunch was disabled at compile time, set your DBUS_SESSION_BUS_ADDRESS instead
libvlc: cannot select OpenGL API
libvlc: request 3 not implemented

What does request 3 not implemented means?
Couldn't find any documentation around this

Please help me debug these error.

It means the window plugin does not support hiding the mouse pointer. This was removed in newer versions.