void on_camquit_clicked(LiVESButton *, livespointer s_cam)
void on_camplay_clicked(LiVESButton *, livespointer s_cam)
void on_camrew_clicked(LiVESButton *, livespointer s_cam)
void on_campause_clicked(LiVESButton *, livespointer s_cam)
void on_camgrab_clicked(LiVESButton *, livespointer s_cam)
void on_camstop_clicked(LiVESButton *, livespointer s_cam)
void on_cameject_clicked(LiVESButton *, livespointer s_cam)
void on_camff_clicked(LiVESButton *, livespointer s_cam)