GLX_NV_video_capture http://www.opengl.org/registry/specs/gl/NV/video_capture.txt GLX_NV_video_capture GLX_DEVICE_ID_NV 0x20CD GLX_UNIQUE_ID_NV 0x20CE GLX_NUM_VIDEO_CAPTURE_SLOTS_NV 0x20CF int glXBindVideoCaptureDeviceNV (Display* dpy, unsigned int video_capture_slot, GLXVideoCaptureDeviceNV device) GLXVideoCaptureDeviceNV * glXEnumerateVideoCaptureDevicesNV (Display* dpy, int screen, int *nelements) void glXLockVideoCaptureDeviceNV (Display* dpy, GLXVideoCaptureDeviceNV device) int glXQueryVideoCaptureDeviceNV (Display* dpy, GLXVideoCaptureDeviceNV device, int attribute, int *value) void glXReleaseVideoCaptureDeviceNV (Display* dpy, GLXVideoCaptureDeviceNV device) typedef XID GLXVideoCaptureDeviceNV