Function realsense_sys::rs2_playback_device_set_playback_speed

pub unsafe extern "C" fn rs2_playback_device_set_playback_speed(
    device: *const rs2_device, 
    speed: f32, 
    error: *mut *mut rs2_error
)

Set the playing speed

\param[in] device A playback device \param[in] speed Indicates a multiplication of the speed to play (e.g: 1 = normal, 0.5 twice as slow) \param[out] error If non-null, receives any error that occurs during this call, otherwise, errors are ignored