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// Copyright 2017 Lyndon Brown // // This file is part of the PulseAudio Rust language linking library. // // Licensed under the MIT license or the Apache license (version 2.0), at your option. You may not // copy, modify, or distribute this file except in compliance with said license. You can find copies // of these licenses either in the LICENSE-MIT and LICENSE-APACHE files, or alternatively at // <http://opensource.org/licenses/MIT> and <http://www.apache.org/licenses/LICENSE-2.0> // respectively. // // Portions of documentation are copied from the LGPL 2.1+ licensed PulseAudio C headers on a // fair-use basis, as discussed in the overall project readme (available in the git repository). //! Utility functions for direction. #[cfg(any(feature = "pa_v6", feature = "dox"))] use std::os::raw::c_char; /// Direction bitfield. /// /// While we currently do not expose anything bidirectional, one should test against the bit instead /// of the value because we might add bidirectional stuff in the future. pub type pa_direction_t = i32; pub const PA_DIRECTION_OUTPUT: pa_direction_t = 0x1; pub const PA_DIRECTION_INPUT: pa_direction_t = 0x2; #[link(name="pulse")] extern "C" { #[cfg(any(feature = "pa_v6", feature = "dox"))] pub fn pa_direction_valid(direction: pa_direction_t) -> i32; #[cfg(any(feature = "pa_v6", feature = "dox"))] pub fn pa_direction_to_string(direction: pa_direction_t) -> *const c_char; }