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// Copyright © 2017 Mozilla Foundation
//
// This program is made available under an ISC-style license. See the
// accompanying file LICENSE for details.
#![warn(unused_extern_crates)]
#[macro_use]
extern crate cubeb_backend;
#[macro_use]
extern crate log;
#[macro_use]
mod send_recv;
mod context;
mod stream;
use crate::context::ClientContext;
use crate::stream::ClientStream;
use audioipc::PlatformHandleType;
use cubeb_backend::{capi, ffi};
use std::os::raw::{c_char, c_int};
thread_local!(static IN_CALLBACK: std::cell::RefCell<bool> = std::cell::RefCell::new(false));
thread_local!(static AUDIOIPC_INIT_PARAMS: std::cell::RefCell<Option<AudioIpcInitParams>> = std::cell::RefCell::new(None));
// This must match the definition of AudioIpcInitParams in
// dom/media/CubebUtils.cpp in Gecko.
#[repr(C)]
#[derive(Clone, Copy, Debug)]
pub struct AudioIpcInitParams {
// Fields only need to be public for ipctest.
pub server_connection: PlatformHandleType,
pub pool_size: usize,
pub stack_size: usize,
pub thread_create_callback: Option<extern "C" fn(*const ::std::os::raw::c_char)>,
pub thread_destroy_callback: Option<extern "C" fn()>,
}
unsafe impl Send for AudioIpcInitParams {}
fn set_in_callback(in_callback: bool) {
IN_CALLBACK.with(|b| {
assert_eq!(*b.borrow(), !in_callback);
*b.borrow_mut() = in_callback;
});
}
fn run_in_callback<F, R>(f: F) -> R
where
F: FnOnce() -> R,
{
set_in_callback(true);
let r = f();
set_in_callback(false);
r
}
fn assert_not_in_callback() {
IN_CALLBACK.with(|b| {
assert_eq!(*b.borrow(), false);
});
}
#[no_mangle]
/// Entry point from C code.
pub unsafe extern "C" fn audioipc_client_init(
c: *mut *mut ffi::cubeb,
context_name: *const c_char,
init_params: *const AudioIpcInitParams,
) -> c_int {
if init_params.is_null() {
return cubeb_backend::ffi::CUBEB_ERROR;
}
let init_params = &*init_params;
AUDIOIPC_INIT_PARAMS.with(|p| {
*p.borrow_mut() = Some(*init_params);
});
capi::capi_init::<ClientContext>(c, context_name)
}
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