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ptz [Proxies] Detailed Description The ptz proxy provides an interface to pan-tilt units such as the Sony PTZ camera. Classes struct   playerc_ptz_t   PTZ device data. More... Functions playerc_ptz_t *  playerc_ptz_create (playerc_client_t *client, int index)   Create a ptz proxy. void  playerc_ptz_destroy (playerc_ptz_t *device)   Destroy a ptz proxy. int  playerc_ptz_subscribe (playerc_ptz_t *device, int access)   Subscribe to the ptz device. int  playerc_ptz_unsubscribe (playerc_ptz_t *device)   Un-subscribe from the ptz device. int  playerc_ptz_set (playerc_ptz_t *device, double pan, double tilt, double zoom)   Set the pan, tilt and zoom values. int  playerc_ptz_set_ws (playerc_ptz_t *device, double pan, double tilt, double zoom, double panspeed, double tiltspeed)   Set the pan, tilt and zoom values (and speed). Function Documentation playerc_ptz_t* playerc_ptz_create (  playerc_client_t *  client, int  index )    Create a ptz proxy. void playerc_ptz_destroy (  playerc_ptz_t *  device  )    Destroy a ptz proxy. int playerc_ptz_subscribe (  playerc_ptz_t *  device, int  access )    Subscribe to the ptz device. int playerc_ptz_unsubscribe (  playerc_ptz_t *  device  )    Un-subscribe from the ptz device. int playerc_ptz_set (  playerc_ptz_t *  device, double  pan, double  tilt, double  zoom )    Set the pan, tilt and zoom values. Parameters: device  Pointer to proxy object. pan  Pan value, in radians; 0 = centered. tilt  Tilt value, in radians; 0 = level. zoom  Zoom value, in radians (corresponds to camera field of view). int playerc_ptz_set_ws (  playerc_ptz_t *  device, double  pan, double  tilt, double  zoom, double  panspeed, double  tiltspeed )    Set the pan, tilt and zoom values (and speed). Parameters: device  Pointer to proxy object. pan  Pan value, in radians; 0 = centered. tilt  Tilt value, in radians; 0 = level. zoom  Zoom value, in radians (corresponds to camera field of view). panspeed  Pan speed, in radians/sec. tiltspeed  Tilt speed, in radians/sec.