cubeb_sys/
stream.rs

1// Copyright © 2017-2018 Mozilla Foundation
2//
3// This program is made available under an ISC-style license.  See the
4// accompanying file LICENSE for details.
5
6use callbacks::cubeb_device_changed_callback;
7use channel::cubeb_channel_layout;
8use device::cubeb_device;
9use format::cubeb_sample_format;
10use std::os::raw::{c_char, c_float, c_int, c_uint, c_void};
11use std::{fmt, mem};
12
13cubeb_enum! {
14    pub enum cubeb_input_processing_params {
15        CUBEB_INPUT_PROCESSING_PARAM_NONE = 0x00,
16        CUBEB_INPUT_PROCESSING_PARAM_ECHO_CANCELLATION = 0x01,
17        CUBEB_INPUT_PROCESSING_PARAM_NOISE_SUPPRESSION = 0x02,
18        CUBEB_INPUT_PROCESSING_PARAM_AUTOMATIC_GAIN_CONTROL = 0x04,
19        CUBEB_INPUT_PROCESSING_PARAM_VOICE_ISOLATION = 0x08,
20    }
21}
22
23cubeb_enum! {
24    pub enum cubeb_stream_prefs {
25        CUBEB_STREAM_PREF_NONE = 0x00,
26        CUBEB_STREAM_PREF_LOOPBACK = 0x01,
27        CUBEB_STREAM_PREF_DISABLE_DEVICE_SWITCHING = 0x02,
28        CUBEB_STREAM_PREF_VOICE = 0x04,
29    }
30}
31
32cubeb_enum! {
33    pub enum cubeb_state {
34        CUBEB_STATE_STARTED,
35        CUBEB_STATE_STOPPED,
36        CUBEB_STATE_DRAINED,
37        CUBEB_STATE_ERROR,
38    }
39}
40
41pub enum cubeb_stream {}
42
43#[repr(C)]
44#[derive(Clone, Copy)]
45pub struct cubeb_stream_params {
46    pub format: cubeb_sample_format,
47    pub rate: c_uint,
48    pub channels: c_uint,
49    pub layout: cubeb_channel_layout,
50    pub prefs: cubeb_stream_prefs,
51}
52
53impl Default for cubeb_stream_params {
54    fn default() -> Self {
55        unsafe { mem::zeroed() }
56    }
57}
58
59// Explicit Debug impl to work around bug in ctest
60impl fmt::Debug for cubeb_stream_params {
61    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
62        f.debug_struct("cubeb_stream_params")
63            .field("format", &self.format)
64            .field("rate", &self.rate)
65            .field("channels", &self.channels)
66            .field("layout", &self.layout)
67            .field("prefs", &self.prefs)
68            .finish()
69    }
70}
71
72extern "C" {
73    pub fn cubeb_stream_destroy(stream: *mut cubeb_stream);
74    pub fn cubeb_stream_start(stream: *mut cubeb_stream) -> c_int;
75    pub fn cubeb_stream_stop(stream: *mut cubeb_stream) -> c_int;
76    pub fn cubeb_stream_get_position(stream: *mut cubeb_stream, position: *mut u64) -> c_int;
77    pub fn cubeb_stream_get_latency(stream: *mut cubeb_stream, latency: *mut c_uint) -> c_int;
78    pub fn cubeb_stream_get_input_latency(stream: *mut cubeb_stream, latency: *mut c_uint)
79        -> c_int;
80    pub fn cubeb_stream_set_volume(stream: *mut cubeb_stream, volume: c_float) -> c_int;
81    pub fn cubeb_stream_set_name(stream: *mut cubeb_stream, name: *const c_char) -> c_int;
82    pub fn cubeb_stream_get_current_device(
83        stream: *mut cubeb_stream,
84        device: *mut *mut cubeb_device,
85    ) -> c_int;
86    pub fn cubeb_stream_set_input_mute(stream: *mut cubeb_stream, mute: c_int) -> c_int;
87    pub fn cubeb_stream_set_input_processing_params(
88        stream: *mut cubeb_stream,
89        params: cubeb_input_processing_params,
90    ) -> c_int;
91    pub fn cubeb_stream_device_destroy(
92        stream: *mut cubeb_stream,
93        devices: *mut cubeb_device,
94    ) -> c_int;
95    pub fn cubeb_stream_register_device_changed_callback(
96        stream: *mut cubeb_stream,
97        device_changed_callback: cubeb_device_changed_callback,
98    ) -> c_int;
99    pub fn cubeb_stream_user_ptr(stream: *mut cubeb_stream) -> *mut c_void;
100}
cubeb_sys/stream.rs

cubeb_sys/
stream.rs
