1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82

// Copyright © 2017-2018 Mozilla Foundation
//
// This program is made available under an ISC-style license.  See the
// accompanying file LICENSE for details.

use callbacks::cubeb_device_changed_callback;
use channel::cubeb_channel_layout;
use device::cubeb_device;
use format::cubeb_sample_format;
use std::{fmt, mem};
use std::os::raw::{c_float, c_int, c_uint, c_void};

cubeb_enum! {
    pub enum cubeb_stream_prefs {
        CUBEB_STREAM_PREF_NONE     = 0x00,
        CUBEB_STREAM_PREF_LOOPBACK = 0x01,
    }
}

cubeb_enum! {
    pub enum cubeb_state {
        CUBEB_STATE_STARTED,
        CUBEB_STATE_STOPPED,
        CUBEB_STATE_DRAINED,
        CUBEB_STATE_ERROR,
    }
}

pub enum cubeb_stream {}

#[repr(C)]
#[derive(Clone, Copy)]
pub struct cubeb_stream_params {
    pub format: cubeb_sample_format,
    pub rate: c_uint,
    pub channels: c_uint,
    pub layout: cubeb_channel_layout,
    pub prefs: cubeb_stream_prefs,
}

impl Default for cubeb_stream_params {
    fn default() -> Self {
        unsafe { mem::zeroed() }
    }
}

// Explicit Debug impl to work around bug in ctest
impl fmt::Debug for cubeb_stream_params {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        f.debug_struct("cubeb_stream_params")
            .field("format", &self.format)
            .field("rate", &self.rate)
            .field("channels", &self.channels)
            .field("layout", &self.layout)
            .field("prefs", &self.prefs)
            .finish()
    }
}

extern "C" {
    pub fn cubeb_stream_destroy(stream: *mut cubeb_stream);
    pub fn cubeb_stream_start(stream: *mut cubeb_stream) -> c_int;
    pub fn cubeb_stream_stop(stream: *mut cubeb_stream) -> c_int;
    pub fn cubeb_stream_reset_default_device(stream: *mut cubeb_stream) -> c_int;
    pub fn cubeb_stream_get_position(stream: *mut cubeb_stream, position: *mut u64) -> c_int;
    pub fn cubeb_stream_get_latency(stream: *mut cubeb_stream, latency: *mut c_uint) -> c_int;
    pub fn cubeb_stream_set_volume(stream: *mut cubeb_stream, volume: c_float) -> c_int;
    pub fn cubeb_stream_set_panning(stream: *mut cubeb_stream, panning: c_float) -> c_int;
    pub fn cubeb_stream_get_current_device(
        stream: *mut cubeb_stream,
        device: *mut *mut cubeb_device,
    ) -> c_int;
    pub fn cubeb_stream_device_destroy(
        stream: *mut cubeb_stream,
        devices: *mut cubeb_device,
    ) -> c_int;
    pub fn cubeb_stream_register_device_changed_callback(
        stream: *mut cubeb_stream,
        device_changed_callback: cubeb_device_changed_callback,
    ) -> c_int;
    pub fn cubeb_stream_user_ptr(stream: *mut cubeb_stream) -> *mut c_void;
}