libpulse_sys/
direction.rs

1// Copyright 2017 Lyndon Brown
2//
3// This file is part of the PulseAudio Rust language linking library.
4//
5// Licensed under the MIT license or the Apache license (version 2.0), at your option. You may not
6// copy, modify, or distribute this file except in compliance with said license. You can find copies
7// of these licenses either in the LICENSE-MIT and LICENSE-APACHE files, or alternatively at
8// <http://opensource.org/licenses/MIT> and <http://www.apache.org/licenses/LICENSE-2.0>
9// respectively.
10//
11// Portions of documentation are copied from the LGPL 2.1+ licensed PulseAudio C headers on a
12// fair-use basis, as discussed in the overall project readme (available in the git repository).
13
14//! Utility functions for direction.
15
16#[cfg(any(doc, feature = "pa_v6"))]
17use std::os::raw::c_char;
18
19/// Direction bitfield.
20///
21/// While we currently do not expose anything bidirectional, one should test against the bit instead
22/// of the value because we might add bidirectional stuff in the future.
23pub type pa_direction_t = i32;
24
25pub const PA_DIRECTION_OUTPUT: pa_direction_t = 0x1;
26pub const PA_DIRECTION_INPUT:  pa_direction_t = 0x2;
27
28#[link(name = "pulse")]
29extern "C" {
30    #[cfg(any(doc, feature = "pa_v6"))]
31    #[cfg_attr(docsrs, doc(cfg(feature = "pa_v6")))]
32    pub fn pa_direction_valid(direction: pa_direction_t) -> i32;
33    #[cfg(any(doc, feature = "pa_v6"))]
34    #[cfg_attr(docsrs, doc(cfg(feature = "pa_v6")))]
35    pub fn pa_direction_to_string(direction: pa_direction_t) -> *const c_char;
36}
libpulse_sys/direction.rs

libpulse_sys/
direction.rs
