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Fix compilation on OSX with the new API for coreaudio-rs 

this builds upon the following pull request:
https://github.com/tomaka/cpal/pull/81
This commit is contained in:
Geoffroy Couprie 2016-01-12 17:06:14 +01:00
parent 30e96aa15a
commit dd87dbc1d2
1 changed files with 18 additions and 17 deletions
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25
src/coreaudio/mod.rs
View File

@ -21,7 +21,7 @@ pub use self::enumerate::{EndpointsIterator,
SupportedFormatsIterator,
get_default_endpoint};
use self::coreaudio::audio_unit::{AudioUnit, Type, SubType};
use self::coreaudio::audio_unit::{AudioUnit, IOType};
#[derive(Clone, PartialEq, Eq)]
pub struct Endpoint;
@ -98,8 +98,10 @@ impl Voice {
let underflow = Arc::new(Mutex::new(RefCell::new(false)));
let uf_clone = underflow.clone();
let audio_unit_result = AudioUnit::new(Type::Output, SubType::HalOutput)
.render_callback(Box::new(move |channels, num_frames| {
let audio_unit_result = AudioUnit::new(IOType::HalOutput);
if let Ok(mut audio_unit) = audio_unit_result {
if let Ok(()) = audio_unit.set_render_callback(Some(Box::new(move |channels: &mut[&mut[f32]], num_frames: NumFrames| {
if let Err(_) = ready_sender.send((channels.len(), num_frames)) {
return Err("Callback failed to send 'ready' message.".to_string());
}
@ -120,22 +122,21 @@ impl Voice {
}
Ok(())
}))
.start();
match audio_unit_result {
Ok(audio_unit) => Ok(Voice {
}))) {
if let Ok(()) = audio_unit.start() {
return Ok(Voice {
audio_unit: audio_unit,
ready_receiver: ready_receiver,
samples_sender: samples_sender,
underflow: underflow,
last_ready: Arc::new(Mutex::new(RefCell::new(None)))
}),
Err(_) => {
Err(CreationError::DeviceNotAvailable)
},
})
}
}
}
Err(CreationError::DeviceNotAvailable)
}
pub fn append_data<'a, T>(&'a mut self, max_elements: usize) -> Buffer<'a, T> where T: Clone {
// Block until the audio callback is ready for more data.