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Use shiny new COM 

Signed-off-by: Peter Atashian <retep998@gmail.com>
This commit is contained in:
Peter Atashian 2015-05-27 12:24:14 -04:00
parent f71af2bed4
commit 618ef2a4f9
2 changed files with 19 additions and 41 deletions
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16
Cargo.toml
View File

@ -12,17 +12,13 @@ keywords = ["audio", "sound"]
[dependencies]
libc = "*"
[target.i686-pc-windows-gnu.dependencies.winapi]
version = "0"
[target.i686-pc-windows-gnu.dependencies]
winapi = "0.1.19"
ole32-sys = "0.1"
[target.x86_64-pc-windows-gnu.dependencies.winapi]
version = "0"
[target.i686-pc-windows-gnu.dependencies.ole32-sys]
version = "0.1"
[target.x86_64-pc-windows-gnu.dependencies.ole32-sys]
version = "0.1"
[target.x86_64-pc-windows-gnu.dependencies]
winapi = "0.1.19"
ole32-sys = "0.1"
[target.i686-unknown-linux-gnu.dependencies.alsa-sys]
version = "0"

44
src/wasapi/mod.rs
View File

@ -51,8 +51,7 @@ impl Voice {
//
let frames_available = {
let mut padding = mem::uninitialized();
let f = (&*(&mut *self.audio_client).lpVtbl).GetCurrentPadding;
let hresult = f(self.audio_client, &mut padding);
let hresult = (*self.audio_client).GetCurrentPadding(&mut padding);
check_result(hresult).unwrap();
self.max_frames_in_buffer - padding
};
@ -71,8 +70,7 @@ impl Voice {
// loading buffer
let (buffer_data, buffer_len) = {
let mut buffer: *mut winapi::BYTE = mem::uninitialized();
let f = (&*(&mut *self.render_client).lpVtbl).GetBuffer;
let hresult = f(self.render_client, frames_available,
let hresult = (*self.render_client).GetBuffer(frames_available,
&mut buffer as *mut *mut libc::c_uchar);
check_result(hresult).unwrap();
assert!(!buffer.is_null());
@ -98,8 +96,7 @@ impl Voice {
pub fn play(&mut self) {
if !self.playing {
unsafe {
let f = (&*(&mut *self.audio_client).lpVtbl).Start;
let hresult = f(self.audio_client);
let hresult = (*self.audio_client).Start();
check_result(hresult).unwrap();
}
}
@ -110,8 +107,7 @@ impl Voice {
pub fn pause(&mut self) {
if self.playing {
unsafe {
let f = (&*(&mut *self.audio_client).lpVtbl).Stop;
let hresult = f(self.audio_client);
let hresult = (*self.audio_client).Stop();
check_result(hresult).unwrap();
}
}
@ -126,15 +122,8 @@ unsafe impl Sync for Voice {}
impl Drop for Voice {
fn drop(&mut self) {
unsafe {
{
let f = (&*(&mut *self.render_client).lpVtbl).Release;
f(self.render_client);
}
{
let f = (&*(&mut *self.audio_client).lpVtbl).Release;
f(self.audio_client);
}
(*self.render_client).Release();
(*self.audio_client).Release();
}
}
}
@ -149,8 +138,7 @@ impl<'a, T> Buffer<'a, T> {
pub fn finish(self) {
// releasing buffer
unsafe {
let f = (&*(&mut *self.render_client).lpVtbl).ReleaseBuffer;
let hresult = f(self.render_client, self.frames as u32, 0);
let hresult = (*self.render_client).ReleaseBuffer(self.frames as u32, 0);
check_result(hresult).unwrap();
};
}
@ -177,8 +165,7 @@ fn init() -> Result<Voice, String> {
// getting the default end-point
let device = {
let mut device: *mut winapi::IMMDevice = mem::uninitialized();
let f = (&*(&mut *enumerator).lpVtbl).GetDefaultAudioEndpoint;
let hresult = f(enumerator, winapi::EDataFlow::eRender, winapi::ERole::eConsole,
let hresult = enumerator.GetDefaultAudioEndpoint(winapi::EDataFlow::eRender, winapi::ERole::eConsole,
mem::transmute(&mut device));
try!(check_result(hresult));
&mut *device
@ -187,8 +174,7 @@ fn init() -> Result<Voice, String> {
// activating in order to get a `IAudioClient`
let audio_client: &mut winapi::IAudioClient = {
let mut audio_client: *mut winapi::IAudioClient = mem::uninitialized();
let f = (&*(&mut *device).lpVtbl).Activate;
let hresult = f(device, &winapi::IID_IAudioClient, winapi::CLSCTX_ALL,
let hresult = device.Activate(&winapi::IID_IAudioClient, winapi::CLSCTX_ALL,
ptr::null_mut(), mem::transmute(&mut audio_client));
try!(check_result(hresult));
&mut *audio_client
@ -207,8 +193,7 @@ fn init() -> Result<Voice, String> {
};
let mut format_ptr: *mut winapi::WAVEFORMATEX = mem::uninitialized();
let f = (&*(&mut *audio_client).lpVtbl).IsFormatSupported;
let hresult = f(audio_client, winapi::AUDCLNT_SHAREMODE::AUDCLNT_SHAREMODE_SHARED,
let hresult = audio_client.IsFormatSupported(winapi::AUDCLNT_SHAREMODE::AUDCLNT_SHAREMODE_SHARED,
&format_attempt, &mut format_ptr);
try!(check_result(hresult));
@ -220,8 +205,7 @@ fn init() -> Result<Voice, String> {
let format_copy = ptr::read(format);
let f = (&*(&mut *audio_client).lpVtbl).Initialize;
let hresult = f(audio_client, winapi::AUDCLNT_SHAREMODE::AUDCLNT_SHAREMODE_SHARED,
let hresult = audio_client.Initialize(winapi::AUDCLNT_SHAREMODE::AUDCLNT_SHAREMODE_SHARED,
0, 10000000, 0, format, ptr::null());
if !format_ptr.is_null() {
@ -236,8 +220,7 @@ fn init() -> Result<Voice, String> {
//
let max_frames_in_buffer = {
let mut max_frames_in_buffer = mem::uninitialized();
let f = (&*(&mut *audio_client).lpVtbl).GetBufferSize;
let hresult = f(audio_client, &mut max_frames_in_buffer);
let hresult = audio_client.GetBufferSize(&mut max_frames_in_buffer);
try!(check_result(hresult));
max_frames_in_buffer
};
@ -245,8 +228,7 @@ fn init() -> Result<Voice, String> {
//
let render_client = {
let mut render_client: *mut winapi::IAudioRenderClient = mem::uninitialized();
let f = (&*(&mut *audio_client).lpVtbl).GetService;
let hresult = f(audio_client, &winapi::IID_IAudioRenderClient,
let hresult = audio_client.GetService(&winapi::IID_IAudioRenderClient,
mem::transmute(&mut render_client));
try!(check_result(hresult));
&mut *render_client