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Device rewrite Fixes #1 Fixes #12

This commit is contained in:
Tom Gowan 2018-10-16 16:48:40 +11:00 committed by mitchmindtree
parent 056630cca3
commit ae7a03d788
3 changed files with 359 additions and 433 deletions
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612
asio-sys/src/lib.rs
View File

@ -16,7 +16,7 @@ use std::os::raw::c_void;
use std::os::raw::c_double;
use errors::ASIOError;
use std::mem;
use std::sync::Mutex;
use std::sync::{Arc, Mutex};
use asio_import as ai;
@ -44,9 +44,19 @@ pub struct SampleRate {
pub rate: u32,
}
#[derive(Debug, Clone)]
pub struct Drivers {
drivers: Arc<Mutex<DriverWrapper>>,
}
#[derive(Debug)]
struct DriverWrapper {
pub drivers: ai::AsioDrivers,
}
pub struct AsioStream {
pub buffer_infos: [AsioBufferInfo; 2],
driver: ai::AsioDrivers,
//driver: Driver,
pub buffer_size: i32,
}
@ -138,9 +148,271 @@ extern "C" fn buffer_switch_time_info(
params
}
impl AsioStream {
fn pop_driver(self) -> ai::AsioDrivers {
self.driver
impl Drivers {
pub fn load(driver_name: &str) -> Result<Self, ASIOError> {
// Make owned CString to send to load driver
let mut my_driver_name = CString::new(driver_name).expect("Can't go from str to CString");
let raw = my_driver_name.into_raw();
unsafe {
let mut asio_drivers = ai::AsioDrivers::new();
let load_result = asio_drivers.loadDriver(raw);
// Take back ownership
my_driver_name = CString::from_raw(raw);
if load_result {
Ok(Drivers{ drivers: Arc::new(Mutex::new(DriverWrapper{drivers: asio_drivers})) })
} else {
Err(ASIOError::DriverLoadError)
}
}
}
/// Returns the channels for the driver it's passed
///
/// # Arguments
/// * `driver name` - Name of the driver
/// # Usage
/// Use the get_driver_list() to get the list of names
/// Then pass the one you want to get_channels
pub fn get_channels(&self) -> Channel {
let channel: Channel;
// Initialize memory for calls
let mut ins: c_long = 0;
let mut outs: c_long = 0;
let mut driver_info = ai::ASIODriverInfo {
_bindgen_opaque_blob: [0u32; 43],
};
unsafe {
ai::ASIOInit(&mut driver_info);
ai::ASIOGetChannels(&mut ins, &mut outs);
channel = Channel {
ins: ins as i64,
outs: outs as i64,
};
}
channel
}
pub fn get_sample_rate(&self) -> SampleRate {
let sample_rate: SampleRate;
// Initialize memory for calls
let mut rate: c_double = 0.0f64;
let mut driver_info = ai::ASIODriverInfo {
_bindgen_opaque_blob: [0u32; 43],
};
unsafe {
ai::ASIOInit(&mut driver_info);
ai::get_sample_rate(&mut rate);
sample_rate = SampleRate { rate: rate as u32 };
}
sample_rate
}
pub fn get_data_type(&self) -> Result<AsioSampleType, ASIOError> {
let data_type: Result<AsioSampleType, ASIOError>;
// Initialize memory for calls
let mut channel_info = ai::ASIOChannelInfo {
channel: 0,
isInput: 0,
isActive: 0,
channelGroup: 0,
type_: 0,
name: [0 as c_char; 32],
};
let mut driver_info = ai::ASIODriverInfo {
_bindgen_opaque_blob: [0u32; 43],
};
unsafe {
ai::ASIOInit(&mut driver_info);
ai::ASIOGetChannelInfo(&mut channel_info);
data_type = num::FromPrimitive::from_i32(channel_info.type_)
.map_or(Err(ASIOError::TypeError), |t| Ok(t));
}
data_type
}
pub fn prepare_input_stream(&self) -> Result<AsioStream, ASIOError> {
let mut buffer_infos = [
AsioBufferInfo {
is_input: 1,
channel_num: 0,
buffers: [std::ptr::null_mut(); 2],
},
AsioBufferInfo {
is_input: 1,
channel_num: 1,
buffers: [std::ptr::null_mut(); 2],
},
];
let num_channels = 2;
let mut callbacks = AsioCallbacks {
buffer_switch: buffer_switch,
sample_rate_did_change: sample_rate_did_change,
asio_message: asio_message,
buffer_switch_time_info: buffer_switch_time_info,
};
let mut min_b_size: c_long = 0;
let mut max_b_size: c_long = 0;
let mut pref_b_size: c_long = 0;
let mut grans: c_long = 0;
let mut driver_info = ai::ASIODriverInfo {
_bindgen_opaque_blob: [0u32; 43],
};
let mut result = Err(ASIOError::NoResult("not implimented".to_owned()));
unsafe {
ai::ASIOInit(&mut driver_info);
ai::ASIOGetBufferSize(
&mut min_b_size,
&mut max_b_size,
&mut pref_b_size,
&mut grans,
);
result = if pref_b_size > 0 {
let mut buffer_info_convert = [
mem::transmute::<AsioBufferInfo, ai::ASIOBufferInfo>(buffer_infos[0]),
mem::transmute::<AsioBufferInfo, ai::ASIOBufferInfo>(buffer_infos[1]),
];
let mut callbacks_convert =
mem::transmute::<AsioCallbacks, ai::ASIOCallbacks>(callbacks);
let buffer_result = ai::ASIOCreateBuffers(
buffer_info_convert.as_mut_ptr(),
num_channels,
pref_b_size,
&mut callbacks_convert,
);
if buffer_result == 0 {
let buffer_infos = [
mem::transmute::<ai::ASIOBufferInfo, AsioBufferInfo>(buffer_info_convert[0]),
mem::transmute::<ai::ASIOBufferInfo, AsioBufferInfo>(buffer_info_convert[1]),
];
for d in &buffer_infos {
println!("after {:?}", d);
}
println!("channels: {:?}", num_channels);
return Ok(AsioStream {
buffer_infos: buffer_infos,
buffer_size: pref_b_size,
});
}
Err(ASIOError::BufferError(format!(
"failed to create buffers,
error code: {}",
buffer_result
)))
} else {
Err(ASIOError::BufferError(
"Failed to get buffer size".to_owned(),
))
};
}
result
}
pub fn prepare_output_stream(&self) -> Result<AsioStream, ASIOError> {
let mut buffer_infos = [
AsioBufferInfo {
is_input: 0,
channel_num: 0,
buffers: [std::ptr::null_mut(); 2],
},
AsioBufferInfo {
is_input: 0,
channel_num: 0,
buffers: [std::ptr::null_mut(); 2],
},
];
let num_channels = 2;
let mut callbacks = AsioCallbacks {
buffer_switch: buffer_switch,
sample_rate_did_change: sample_rate_did_change,
asio_message: asio_message,
buffer_switch_time_info: buffer_switch_time_info,
};
let mut min_b_size: c_long = 0;
let mut max_b_size: c_long = 0;
let mut pref_b_size: c_long = 0;
let mut grans: c_long = 0;
let mut driver_info = ai::ASIODriverInfo {
_bindgen_opaque_blob: [0u32; 43],
};
let mut result = Err(ASIOError::NoResult("not implimented".to_owned()));
unsafe {
ai::ASIOInit(&mut driver_info);
ai::ASIOGetBufferSize(
&mut min_b_size,
&mut max_b_size,
&mut pref_b_size,
&mut grans,
);
result = if pref_b_size > 0 {
let mut buffer_info_convert = [
mem::transmute::<AsioBufferInfo, ai::ASIOBufferInfo>(buffer_infos[0]),
mem::transmute::<AsioBufferInfo, ai::ASIOBufferInfo>(buffer_infos[1]),
];
let mut callbacks_convert =
mem::transmute::<AsioCallbacks, ai::ASIOCallbacks>(callbacks);
let buffer_result = ai::ASIOCreateBuffers(
buffer_info_convert.as_mut_ptr(),
num_channels,
pref_b_size,
&mut callbacks_convert,
);
if buffer_result == 0 {
let buffer_infos = [
mem::transmute::<ai::ASIOBufferInfo, AsioBufferInfo>(buffer_info_convert[0]),
mem::transmute::<ai::ASIOBufferInfo, AsioBufferInfo>(buffer_info_convert[1]),
];
for d in &buffer_infos {
println!("after {:?}", d);
}
println!("channels: {:?}", num_channels);
return Ok(AsioStream {
buffer_infos: buffer_infos,
buffer_size: pref_b_size,
});
}
Err(ASIOError::BufferError(format!(
"failed to create buffers,
error code: {}",
buffer_result
)))
} else {
Err(ASIOError::BufferError(
"Failed to get buffer size".to_owned(),
))
};
}
result
}
}
impl Drop for DriverWrapper {
fn drop(&mut self) {
unsafe{
ai::destruct_AsioDrivers(&mut self.drivers);
}
}
}
@ -160,52 +432,9 @@ where
let mut bc = buffer_callback.lock().unwrap();
*bc = Some(BufferCallback(Box::new(callback)));
}
/// Returns the channels for the driver it's passed
///
/// # Arguments
/// * `driver name` - Name of the driver
/// # Usage
/// Use the get_driver_list() to get the list of names
/// Then pass the one you want to get_channels
pub fn get_channels(driver_name: &str) -> Result<Channel, ASIOError> {
let channel: Result<Channel, ASIOError>;
// Make owned CString to send to load driver
let mut my_driver_name = CString::new(driver_name).expect("Can't go from str to CString");
let raw = my_driver_name.into_raw();
// Initialize memory for calls
let mut ins: c_long = 0;
let mut outs: c_long = 0;
let mut driver_info = ai::ASIODriverInfo {
_bindgen_opaque_blob: [0u32; 43],
};
unsafe {
let mut asio_drivers = ai::AsioDrivers::new();
let load_result = asio_drivers.loadDriver(raw);
// Take back ownership
my_driver_name = CString::from_raw(raw);
if load_result {
ai::ASIOInit(&mut driver_info);
ai::ASIOGetChannels(&mut ins, &mut outs);
asio_drivers.removeCurrentDriver();
channel = Ok(Channel {
ins: ins as i64,
outs: outs as i64,
});
} else {
channel = Err(ASIOError::NoResult(driver_name.to_owned()));
}
ai::destruct_AsioDrivers(&mut asio_drivers);
}
channel
}
/// Returns a list of all the ASIO drivers
//TODO this needs to not create and remove drivers
pub fn get_driver_list() -> Vec<String> {
let mut driver_list: Vec<String> = Vec::new();
@ -242,296 +471,11 @@ pub fn get_driver_list() -> Vec<String> {
driver_list
}
pub fn get_sample_rate(driver_name: &str) -> Result<SampleRate, ASIOError> {
let sample_rate: Result<SampleRate, ASIOError>;
// Make owned CString to send to load driver
let mut my_driver_name = CString::new(driver_name).expect("Can't go from str to CString");
let raw = my_driver_name.into_raw();
// Initialize memory for calls
let mut rate: c_double = 0.0f64;
let mut driver_info = ai::ASIODriverInfo {
_bindgen_opaque_blob: [0u32; 43],
};
unsafe {
let mut asio_drivers = ai::AsioDrivers::new();
let load_result = asio_drivers.loadDriver(raw);
// Take back ownership
my_driver_name = CString::from_raw(raw);
if load_result {
ai::ASIOInit(&mut driver_info);
ai::get_sample_rate(&mut rate);
asio_drivers.removeCurrentDriver();
sample_rate = Ok(SampleRate { rate: rate as u32 });
} else {
sample_rate = Err(ASIOError::NoResult(driver_name.to_owned()));
}
ai::destruct_AsioDrivers(&mut asio_drivers);
}
sample_rate
}
pub fn get_data_type(driver_name: &str) -> Result<AsioSampleType, ASIOError> {
let data_type: Result<AsioSampleType, ASIOError>;
// Make owned CString to send to load driver
let mut my_driver_name = CString::new(driver_name).expect("Can't go from str to CString");
let raw = my_driver_name.into_raw();
// Initialize memory for calls
let mut channel_info = ai::ASIOChannelInfo {
channel: 0,
isInput: 0,
isActive: 0,
channelGroup: 0,
type_: 0,
name: [0 as c_char; 32],
};
let mut driver_info = ai::ASIODriverInfo {
_bindgen_opaque_blob: [0u32; 43],
};
unsafe {
let mut asio_drivers = ai::AsioDrivers::new();
let load_result = asio_drivers.loadDriver(raw);
// Take back ownership
my_driver_name = CString::from_raw(raw);
if load_result {
ai::ASIOInit(&mut driver_info);
ai::ASIOGetChannelInfo(&mut channel_info);
asio_drivers.removeCurrentDriver();
data_type = num::FromPrimitive::from_i32(channel_info.type_)
.map_or(Err(ASIOError::TypeError), |t| Ok(t));
} else {
data_type = Err(ASIOError::NoResult(driver_name.to_owned()));
}
ai::destruct_AsioDrivers(&mut asio_drivers);
}
data_type
}
pub fn prepare_input_stream(driver_name: &str) -> Result<AsioStream, ASIOError> {
let mut buffer_infos = [
AsioBufferInfo {
is_input: 1,
channel_num: 0,
buffers: [std::ptr::null_mut(); 2],
},
AsioBufferInfo {
is_input: 1,
channel_num: 1,
buffers: [std::ptr::null_mut(); 2],
},
];
let num_channels = 2;
let mut callbacks = AsioCallbacks {
buffer_switch: buffer_switch,
sample_rate_did_change: sample_rate_did_change,
asio_message: asio_message,
buffer_switch_time_info: buffer_switch_time_info,
};
let mut min_b_size: c_long = 0;
let mut max_b_size: c_long = 0;
let mut pref_b_size: c_long = 0;
let mut grans: c_long = 0;
let mut driver_info = ai::ASIODriverInfo {
_bindgen_opaque_blob: [0u32; 43],
};
// Make owned CString to send to load driver
let mut my_driver_name = CString::new(driver_name).expect("Can't go from str to CString");
let raw = my_driver_name.into_raw();
let mut result = Err(ASIOError::NoResult("not implimented".to_owned()));
unsafe {
let mut asio_drivers = ai::AsioDrivers::new();
let load_result = asio_drivers.loadDriver(raw);
// Take back ownership
my_driver_name = CString::from_raw(raw);
if !load_result {
return Err(ASIOError::DriverLoadError);
}
for d in &buffer_infos {
println!("before {:?}", d);
}
ai::ASIOInit(&mut driver_info);
ai::ASIOGetBufferSize(
&mut min_b_size,
&mut max_b_size,
&mut pref_b_size,
&mut grans,
);
result = if pref_b_size > 0 {
let mut buffer_info_convert = [
mem::transmute::<AsioBufferInfo, ai::ASIOBufferInfo>(buffer_infos[0]),
mem::transmute::<AsioBufferInfo, ai::ASIOBufferInfo>(buffer_infos[1]),
];
let mut callbacks_convert =
mem::transmute::<AsioCallbacks, ai::ASIOCallbacks>(callbacks);
let buffer_result = ai::ASIOCreateBuffers(
buffer_info_convert.as_mut_ptr(),
num_channels,
pref_b_size,
&mut callbacks_convert,
);
if buffer_result == 0 {
let buffer_infos = [
mem::transmute::<ai::ASIOBufferInfo, AsioBufferInfo>(buffer_info_convert[0]),
mem::transmute::<ai::ASIOBufferInfo, AsioBufferInfo>(buffer_info_convert[1]),
];
for d in &buffer_infos {
println!("after {:?}", d);
}
println!("channels: {:?}", num_channels);
return Ok(AsioStream {
buffer_infos: buffer_infos,
driver: asio_drivers,
buffer_size: pref_b_size,
});
}
Err(ASIOError::BufferError(format!(
"failed to create buffers,
error code: {}",
buffer_result
)))
} else {
Err(ASIOError::BufferError(
"Failed to get buffer size".to_owned(),
))
};
asio_drivers.removeCurrentDriver();
ai::destruct_AsioDrivers(&mut asio_drivers);
}
result
}
pub fn prepare_stream(driver_name: &str) -> Result<AsioStream, ASIOError> {
//let mut buffer_info = ai::ASIOBufferInfo{_bindgen_opaque_blob: [0u32; 6]};
let mut buffer_infos = [
AsioBufferInfo {
is_input: 0,
channel_num: 0,
buffers: [std::ptr::null_mut(); 2],
},
AsioBufferInfo {
is_input: 0,
channel_num: 0,
buffers: [std::ptr::null_mut(); 2],
},
];
let num_channels = 2;
//let mut callbacks = ai::ASIOCallbacks{_bindgen_opaque_blob: [0u32; 8]};
let mut callbacks = AsioCallbacks {
buffer_switch: buffer_switch,
sample_rate_did_change: sample_rate_did_change,
asio_message: asio_message,
buffer_switch_time_info: buffer_switch_time_info,
};
let mut min_b_size: c_long = 0;
let mut max_b_size: c_long = 0;
let mut pref_b_size: c_long = 0;
let mut grans: c_long = 0;
let mut driver_info = ai::ASIODriverInfo {
_bindgen_opaque_blob: [0u32; 43],
};
// Make owned CString to send to load driver
let mut my_driver_name = CString::new(driver_name).expect("Can't go from str to CString");
let raw = my_driver_name.into_raw();
let mut result = Err(ASIOError::NoResult("not implimented".to_owned()));
unsafe {
let mut asio_drivers = ai::AsioDrivers::new();
let load_result = asio_drivers.loadDriver(raw);
// Take back ownership
my_driver_name = CString::from_raw(raw);
if !load_result {
return Err(ASIOError::DriverLoadError);
}
for d in &buffer_infos {
println!("before {:?}", d);
}
ai::ASIOInit(&mut driver_info);
ai::ASIOGetBufferSize(
&mut min_b_size,
&mut max_b_size,
&mut pref_b_size,
&mut grans,
);
result = if pref_b_size > 0 {
let mut buffer_info_convert = [
mem::transmute::<AsioBufferInfo, ai::ASIOBufferInfo>(buffer_infos[0]),
mem::transmute::<AsioBufferInfo, ai::ASIOBufferInfo>(buffer_infos[1]),
];
let mut callbacks_convert =
mem::transmute::<AsioCallbacks, ai::ASIOCallbacks>(callbacks);
let buffer_result = ai::ASIOCreateBuffers(
buffer_info_convert.as_mut_ptr(),
num_channels,
pref_b_size,
&mut callbacks_convert,
);
if buffer_result == 0 {
let buffer_infos = [
mem::transmute::<ai::ASIOBufferInfo, AsioBufferInfo>(buffer_info_convert[0]),
mem::transmute::<ai::ASIOBufferInfo, AsioBufferInfo>(buffer_info_convert[1]),
];
for d in &buffer_infos {
println!("after {:?}", d);
}
println!("channels: {:?}", num_channels);
return Ok(AsioStream {
buffer_infos: buffer_infos,
driver: asio_drivers,
buffer_size: pref_b_size,
});
}
Err(ASIOError::BufferError(format!(
"failed to create buffers,
error code: {}",
buffer_result
)))
} else {
Err(ASIOError::BufferError(
"Failed to get buffer size".to_owned(),
))
};
asio_drivers.removeCurrentDriver();
ai::destruct_AsioDrivers(&mut asio_drivers);
}
result
}
pub fn destroy_stream(stream: AsioStream) {
unsafe {
ai::ASIODisposeBuffers();
let mut asio_drivers = stream.pop_driver();
asio_drivers.removeCurrentDriver();
ai::destruct_AsioDrivers(&mut asio_drivers);
}
}

164
src/platform/windows/asio/device.rs
View File

@ -9,22 +9,35 @@ use DefaultFormatError;
use SupportedFormat;
use SampleFormat;
use SampleRate;
use std::hash::{Hash, Hasher};
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
#[derive(Debug, Clone)]
pub struct Device{
// Calls to get a driver in memory
// require a name so I will store the
// name here as a handle to the driver
pub driver_name: String,
pub drivers: sys::Drivers,
pub name: String,
}
pub struct Devices{
drivers: std::vec::IntoIter<String>,
}
impl PartialEq for Device {
fn eq(&self, other: &Self) -> bool {
self.name == other.name
}
}
impl Eq for Device {}
impl Hash for Device {
fn hash<H: Hasher>(&self, state: &mut H) {
self.name.hash(state);
}
}
impl Device {
pub fn name(&self) -> String {
self.driver_name.clone()
self.name.clone()
}
// Just supporting default for now
@ -44,70 +57,28 @@ impl Device {
}
}
// TODO Pass errors along
pub fn default_input_format(&self) -> Result<Format, DefaultFormatError> {
let format = Format{channels: 0, sample_rate: SampleRate(0),
// TODO Not sure about how to set the data type
data_type: SampleFormat::F32};
let format = match sys::get_channels(&self.driver_name) {
Ok(channels) => {
Format{channels: channels.ins as u16,
sample_rate: format.sample_rate,
data_type: format.data_type}
},
Err(e) => {
println!("Error retrieving channels: {}", e);
format
},
};
let format = match sys::get_sample_rate(&self.driver_name) {
Ok(sample_rate) => {
Format{channels: format.channels,
sample_rate: SampleRate(sample_rate.rate),
data_type: format.data_type}
},
Err(e) => {
println!("Error retrieving sample rate: {}", e);
format
},
};
let format = match sys::get_data_type(&self.driver_name) {
Ok(data_type) => {
println!("Audio Type: {:?}", data_type);
let data_type = match data_type{
sys::AsioSampleType::ASIOSTInt16MSB => SampleFormat::I16,
sys::AsioSampleType::ASIOSTFloat32MSB => SampleFormat::F32,
sys::AsioSampleType::ASIOSTInt16LSB => SampleFormat::I16,
// TODO This should not be set to 16bit but is for testing
sys::AsioSampleType::ASIOSTInt32LSB => SampleFormat::I16,
sys::AsioSampleType::ASIOSTFloat32LSB => SampleFormat::F32,
_ => panic!("Unsupported Audio Type: {:?}", data_type),
};
Format{channels: format.channels,
sample_rate: format.sample_rate,
data_type: data_type}
},
Err(e) => {
println!("Error retrieving sample rate: {}", e);
format
},
};
Ok(format)
let channels = self.drivers.get_channels().ins as u16;
let sample_rate = SampleRate(self.drivers.get_sample_rate().rate);
match self.drivers.get_data_type() {
Ok(sys::AsioSampleType::ASIOSTInt16MSB) => Ok(SampleFormat::I16),
Ok(sys::AsioSampleType::ASIOSTFloat32MSB) => Ok(SampleFormat::F32),
Ok(sys::AsioSampleType::ASIOSTInt16LSB) => Ok(SampleFormat::I16),
// TODO This should not be set to 16bit but is for testing
Ok(sys::AsioSampleType::ASIOSTInt32LSB) => Ok(SampleFormat::I16),
Ok(sys::AsioSampleType::ASIOSTFloat32LSB) => Ok(SampleFormat::F32),
_ => Err(DefaultFormatError::StreamTypeNotSupported),
}.map(|dt| {
Format{channels,
sample_rate,
data_type: dt }
})
}
pub fn default_output_format(&self) -> Result<Format, DefaultFormatError> {
let num_channels = sys::get_channels(&self.driver_name)
.map(|c| c.outs as u16);
let sample_rate = sys::get_sample_rate(&self.driver_name)
.map(|s| SampleRate(s.rate));
let data_type = sys::get_data_type(&self.driver_name);
let data_type = match data_type{
let channels = self.drivers.get_channels().outs as u16;
let sample_rate = SampleRate(self.drivers.get_sample_rate().rate);
match self.drivers.get_data_type() {
Ok(sys::AsioSampleType::ASIOSTInt16MSB) => Ok(SampleFormat::I16),
Ok(sys::AsioSampleType::ASIOSTFloat32MSB) => Ok(SampleFormat::F32),
Ok(sys::AsioSampleType::ASIOSTInt16LSB) => Ok(SampleFormat::I16),
@ -115,17 +86,11 @@ impl Device {
Ok(sys::AsioSampleType::ASIOSTInt32LSB) => Ok(SampleFormat::I16),
Ok(sys::AsioSampleType::ASIOSTFloat32LSB) => Ok(SampleFormat::F32),
_ => Err(DefaultFormatError::StreamTypeNotSupported),
};
let format = match (num_channels, sample_rate, data_type){
(Ok(num_channels), Ok(sample_rate), Ok(data_type)) =>{
Ok(Format{channels: num_channels,
sample_rate: sample_rate,
data_type: data_type})
}
_ => Err(DefaultFormatError::StreamTypeNotSupported),
};
format
}.map(|dt|{
Format{channels,
sample_rate,
data_type: dt }
})
}
}
@ -141,7 +106,15 @@ impl Iterator for Devices {
fn next(&mut self) -> Option<Device> {
match self.drivers.next() {
Some(dn) => Some(Device{driver_name: dn}),
Some(name) => {
sys::Drivers::load(&name)
.or_else(|e| {
eprintln!("{}", e);
Err(e)
})
.ok()
.map(|drivers| Device{drivers, name} )
},
None => None,
}
}
@ -155,31 +128,32 @@ impl Iterator for Devices {
// so returning first in list as default
pub fn default_input_device() -> Option<Device> {
let mut driver_list = sys::get_driver_list();
for dn in &driver_list{
if dn == "ASIO4ALL v2"{
println!("Defaulted to ASIO4ALL **remove from production**");
return Some(Device{ driver_name: dn.clone() });
}
}
match driver_list.pop() {
Some(dn) => Some(Device{ driver_name: dn }),
Some(name) => {
sys::Drivers::load(&name)
.or_else(|e| {
eprintln!("{}", e);
Err(e)
})
.ok()
.map(|drivers| Device{drivers, name} )
},
None => None,
}
}
pub fn default_output_device() -> Option<Device> {
let mut driver_list = sys::get_driver_list();
// TODO For build test only,
// remove if inproduction
for dn in &driver_list{
if dn == "ASIO4ALL v2"{
println!("Defaulted to ASIO4ALL **remove from production**");
return Some(Device{ driver_name: dn.clone() });
}
}
// end remove
match driver_list.pop() {
Some(dn) => Some(Device{ driver_name: dn }),
Some(name) => {
sys::Drivers::load(&name)
.or_else(|e| {
eprintln!("{}", e);
Err(e)
})
.ok()
.map(|drivers| Device{drivers, name} )
},
None => None,
}
}

16
src/platform/windows/asio/stream.rs
View File

@ -66,8 +66,12 @@ impl EventLoop {
device: &Device,
format: &Format,
) -> Result<StreamId, CreationError> {
let stream_type = sys::get_data_type(&device.driver_name).expect("Couldn't load data type");
match sys::prepare_input_stream(&device.driver_name) {
let Device {
drivers,
..
} = device;
let stream_type = drivers.get_data_type().expect("Couldn't load data type");
match drivers.prepare_input_stream() {
Ok(stream) => {
let num_channels = format.channels.clone();
let cpal_num_samples =
@ -229,8 +233,12 @@ pub fn build_output_stream(
device: &Device,
format: &Format,
) -> Result<StreamId, CreationError> {
let stream_type = sys::get_data_type(&device.driver_name).expect("Couldn't load data type");
match sys::prepare_stream(&device.driver_name) {
let Device {
drivers,
..
} = device;
let stream_type = drivers.get_data_type().expect("Couldn't load data type");
match drivers.prepare_output_stream() {
Ok(stream) => {
let num_channels = format.channels.clone();