libpulse_sys/context/
ext_device_restore.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//! Routines for controlling module-device-restore.
15
16use std::os::raw::c_void;
17use super::{pa_context, pa_context_success_cb_t};
18use crate::{operation::pa_operation, def::pa_device_type_t, format::pa_format_info};
19
20#[repr(C)]
21pub struct pa_ext_device_restore_info {
22    pub dtype: pa_device_type_t,
23    pub index: u32,
24    pub n_formats: u8,
25    pub formats: *mut *mut pa_format_info,
26}
27
28#[rustfmt::skip]
29pub type pa_ext_device_restore_test_cb_t = Option<extern "C" fn(c: *mut pa_context, version: u32, userdata: *mut c_void)>;
30
31#[rustfmt::skip]
32pub type pa_ext_device_restore_subscribe_cb_t = Option<extern "C" fn(c: *mut pa_context, type_: pa_device_type_t, idx: u32, userdata: *mut c_void)>;
33
34#[rustfmt::skip]
35pub type pa_ext_device_restore_read_device_formats_cb_t = Option<extern "C" fn(c: *mut pa_context, info: *const pa_ext_device_restore_info, eol: i32, userdata: *mut c_void)>;
36
37#[rustfmt::skip]
38#[link(name = "pulse")]
39extern "C" {
40    pub fn pa_ext_device_restore_test(c: *mut pa_context, cb: pa_ext_device_restore_test_cb_t, userdata: *mut c_void) -> *mut pa_operation;
41    pub fn pa_ext_device_restore_subscribe(c: *mut pa_context, enable: i32, cb: pa_context_success_cb_t, userdata: *mut c_void) -> *mut pa_operation;
42    pub fn pa_ext_device_restore_set_subscribe_cb(c: *mut pa_context, cb: pa_ext_device_restore_subscribe_cb_t, userdata: *mut c_void);
43    pub fn pa_ext_device_restore_read_formats_all(c: *mut pa_context, cb: pa_ext_device_restore_read_device_formats_cb_t, userdata: *mut c_void) -> *mut pa_operation;
44    pub fn pa_ext_device_restore_read_formats(c: *mut pa_context, type_: pa_device_type_t, idx: u32, cb: pa_ext_device_restore_read_device_formats_cb_t, userdata: *mut c_void) -> *mut pa_operation;
45    pub fn pa_ext_device_restore_save_formats(c: *mut pa_context, type_: pa_device_type_t, idx: u32, n_formats: u8, formats: *const *mut pa_format_info, cb: pa_context_success_cb_t, userdata: *mut c_void) -> *mut pa_operation;
46}