recording v1
This commit is contained in:
DMSDeveloper
mitchmindtree
parent
2cfd60757a
commit
c978583863
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@ -182,6 +182,12 @@ impl Iterator for Devices {
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// so returning first in list as default
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pub fn default_input_device() -> Option<Device> {
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let mut driver_list = sys::get_driver_list();
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for dn in &driver_list{
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if dn == "ASIO4ALL v2"{
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println!("Defaulted to ASIO4ALL **remove from production**");
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return Some(Device{ driver_name: dn.clone() });
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}
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}
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match driver_list.pop() {
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Some(dn) => Some(Device{ driver_name: dn }),
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None => None,
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@ -9,6 +9,7 @@ use std::marker::PhantomData;
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use super::Device;
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use std::cell::Cell;
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use UnknownTypeOutputBuffer;
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use UnknownTypeInputBuffer;
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use std::sync::{Arc, Mutex};
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use std::mem;
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use self::itertools::Itertools;
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@ -23,7 +24,7 @@ pub struct EventLoop {
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pub struct StreamId(usize);
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pub struct InputBuffer<'a, T: 'a> {
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marker: PhantomData<&'a T>,
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buffer: &'a mut [T],
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}
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pub struct OutputBuffer<'a, T: 'a> {
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buffer: &'a mut [T],
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@ -42,8 +43,7 @@ impl EventLoop {
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&self,
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device: &Device,
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format: &Format,
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) -> Result<StreamId, CreationError> {
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/*
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) -> Result<StreamId, CreationError> {
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let stream_type = sys::get_data_type(&device.driver_name).expect("Couldn't load data type");
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match sys::prepare_stream(&device.driver_name) {
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Ok(stream) => {
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@ -57,7 +57,6 @@ impl EventLoop {
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let bytes_per_channel = format.data_type.sample_size();
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let num_channels = format.channels.clone();
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// Get stream types
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sys::set_callback(move |index| unsafe {
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if let Some(ref asio_stream) = *asio_stream.lock().unwrap() {
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@ -70,192 +69,67 @@ impl EventLoop {
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match callbacks.first_mut() {
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Some(callback) => {
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macro_rules! try_callback {
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($SampleFormat:ident,
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$SampleType:ty,
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$SampleTypeIdent:ident,
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$AsioType:ty,
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$AsioTypeIdent:ident) => {
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// Buffer that is filled by cpal.
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let mut cpal_buffer: Vec<$SampleType> = vec![0 as $SampleType; cpal_num_samples];
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// Call in block because of mut borrow
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{
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}
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// Function for deinterleaving because
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// cpal writes to buffer interleaved
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fn interleave(channels: Vec<Vec<$SampleType>>) -> Vec<$SampleType>{
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let mut buffer: Vec<$SampleType> = Vec::new();
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let length = channels[0].len();
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for i in 0..length{
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for channel in channels{
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buffer.push(channel[i]);
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}
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($SampleFormat:ident,
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$SampleType:ty,
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$SampleTypeIdent:ident,
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$AsioType:ty,
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$AsioTypeIdent:ident) => {
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// Buffer that is filled by cpal.
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let mut cpal_buffer: Vec<$SampleType> = vec![0 as $SampleType; cpal_num_samples];
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// Call in block because of mut borrow
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{
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}
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// Function for deinterleaving because
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// cpal writes to buffer interleaved
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fn interleave(channels: Vec<Vec<$SampleType>>) -> Vec<$SampleType>{
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let mut buffer: Vec<$SampleType> = Vec::new();
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let length = channels[0].len();
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for i in 0..length{
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for channel in &channels{
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buffer.push(channel[i]);
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}
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buffer
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}
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// Deinter all the channels
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let deinter_channels = deinterleave(&mut cpal_buffer[..],
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num_channels as usize);
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// For each channel write the cpal data to
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// the asio buffer
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// Also need to check for Endian
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for (i, channel) in deinter_channels.into_iter().enumerate(){
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let buff_ptr = (asio_stream
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.buffer_infos[i]
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.buffers[index as usize] as *mut $AsioType)
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.offset(asio_stream.buffer_size as isize * i as isize);
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let asio_buffer: &'static mut [$AsioType] =
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std::slice::from_raw_parts_mut(
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buff_ptr,
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asio_stream.buffer_size as usize);
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for (asio_s, cpal_s) in asio_buffer.iter_mut()
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.zip(&channel){
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*asio_s = (*cpal_s as i64 *
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::std::$AsioTypeIdent::MAX as i64 /
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::std::$SampleTypeIdent::MAX as i64) as $AsioType;
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}
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buffer
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}
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let mut channels: Vec<Vec<$SampleType>> = vec![Vec::new(); num_channels as usize];
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// For each channel write the cpal data to
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// the asio buffer
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// Also need to check for Endian
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for (i, channel) in channels.iter_mut().enumerate(){
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let buff_ptr = (asio_stream
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.buffer_infos[i]
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.buffers[index as usize] as *mut $AsioType)
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.offset(asio_stream.buffer_size as isize * i as isize);
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let asio_buffer: &'static mut [$AsioType] =
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std::slice::from_raw_parts_mut(
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buff_ptr,
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asio_stream.buffer_size as usize);
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for asio_s in asio_buffer.iter(){
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channel.push( (*asio_s as i64 *
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::std::$SampleTypeIdent::MAX as i64 /
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::std::$AsioTypeIdent::MAX as i64) as $SampleType);
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}
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}
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// interleave all the channels
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let inter_buffer = interleave(channels);
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let buff = InputBuffer{
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buffer: &mut cpal_buffer
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};
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callback(
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StreamId(count),
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StreamData::Input{
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buffer: UnknownTypeInputBuffer::$SampleFormat(
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::InputBuffer{
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target: Some(super::super::InputBuffer::Asio(buff))
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})
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}
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);
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let buff = InputBuffer{
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buffer: &mut cpal_buffer
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};
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}
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// Generic over types
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// TODO check for endianess
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match stream_type {
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sys::AsioSampleType::ASIOSTInt32LSB => {
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try_callback!(I16, i16, i16, i32, i32);
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}
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sys::AsioSampleType::ASIOSTInt16LSB => {
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try_callback!(I16, i16, i16, i16, i16);
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}
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sys::AsioSampleType::ASIOSTFloat32LSB => {
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try_callback!(F32, f32, f32, f32, f32);
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}
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sys::AsioSampleType::ASIOSTFloat32LSB => {
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try_callback!(F32, f32, f32, f64, f64);
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}
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_ => println!("unsupported format {:?}", stream_type),
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}
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}
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None => return (),
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}
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}
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});
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Ok(StreamId(count))
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}
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Err(ref e) => {
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println!("Error preparing stream: {}", e);
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Err(CreationError::DeviceNotAvailable)
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}
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}
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*/
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unimplemented!()
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}
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pub fn build_output_stream(
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&self,
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device: &Device,
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format: &Format,
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) -> Result<StreamId, CreationError> {
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let stream_type = sys::get_data_type(&device.driver_name).expect("Couldn't load data type");
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match sys::prepare_stream(&device.driver_name) {
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Ok(stream) => {
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{
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*self.asio_stream.lock().unwrap() = Some(stream);
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}
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let count = self.stream_count.get();
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self.stream_count.set(count + 1);
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let asio_stream = self.asio_stream.clone();
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let callbacks = self.callbacks.clone();
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let bytes_per_channel = format.data_type.sample_size();
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let num_channels = format.channels.clone();
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// Get stream types
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sys::set_callback(move |index| unsafe {
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if let Some(ref asio_stream) = *asio_stream.lock().unwrap() {
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// Number of samples needed total
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let cpal_num_samples =
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(asio_stream.buffer_size as usize) * num_channels as usize;
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let mut callbacks = callbacks.lock().unwrap();
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// Assuming only one callback, probably needs to change
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match callbacks.first_mut() {
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Some(callback) => {
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macro_rules! try_callback {
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($SampleFormat:ident,
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$SampleType:ty,
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$SampleTypeIdent:ident,
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$AsioType:ty,
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$AsioTypeIdent:ident) => {
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// Buffer that is filled by cpal.
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let mut cpal_buffer: Vec<$SampleType> = vec![0 as $SampleType; cpal_num_samples];
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// Call in block because of mut borrow
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{
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let buff = OutputBuffer{
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buffer: &mut cpal_buffer
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};
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callback(
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StreamId(count),
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StreamData::Output{
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buffer: UnknownTypeOutputBuffer::$SampleFormat(
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::OutputBuffer{
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target: Some(super::super::OutputBuffer::Asio(buff))
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})
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}
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);
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callback(
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StreamId(count),
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StreamData::Input{
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buffer: UnknownTypeInputBuffer::$SampleFormat(
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::InputBuffer{
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buffer: Some(super::super::InputBuffer::Asio(buff))
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})
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}
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// Function for deinterleaving because
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// cpal writes to buffer interleaved
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fn deinterleave(data_slice: &mut [$SampleType],
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num_channels: usize) -> Vec<Vec<$SampleType>>{
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let mut channels: Vec<Vec<$SampleType>> = Vec::new();
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for i in 0..num_channels{
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let mut it = data_slice.iter().skip(i).cloned();
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let channel = it.step(num_channels).collect();
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channels.push(channel);
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}
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channels
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}
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// Deinter all the channels
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let deinter_channels = deinterleave(&mut cpal_buffer[..],
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num_channels as usize);
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// For each channel write the cpal data to
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// the asio buffer
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// Also need to check for Endian
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for (i, channel) in deinter_channels.into_iter().enumerate(){
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let buff_ptr = (asio_stream
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.buffer_infos[i]
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.buffers[index as usize] as *mut $AsioType)
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.offset(asio_stream.buffer_size as isize * i as isize);
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let asio_buffer: &'static mut [$AsioType] =
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std::slice::from_raw_parts_mut(
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buff_ptr,
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asio_stream.buffer_size as usize);
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for (asio_s, cpal_s) in asio_buffer.iter_mut()
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.zip(&channel){
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*asio_s = (*cpal_s as i64 *
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::std::$AsioTypeIdent::MAX as i64 /
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::std::$SampleTypeIdent::MAX as i64) as $AsioType;
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}
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}
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};
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);
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}
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};
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// Generic over types
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// TODO check for endianess
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match stream_type {
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@ -287,42 +161,163 @@ impl EventLoop {
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}
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}
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pub fn play_stream(&self, stream: StreamId) {
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sys::play();
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}
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pub fn build_output_stream(
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&self,
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device: &Device,
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format: &Format,
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) -> Result<StreamId, CreationError> {
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let stream_type = sys::get_data_type(&device.driver_name).expect("Couldn't load data type");
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match sys::prepare_stream(&device.driver_name) {
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Ok(stream) => {
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{
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*self.asio_stream.lock().unwrap() = Some(stream);
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}
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let count = self.stream_count.get();
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self.stream_count.set(count + 1);
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let asio_stream = self.asio_stream.clone();
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let callbacks = self.callbacks.clone();
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let bytes_per_channel = format.data_type.sample_size();
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let num_channels = format.channels.clone();
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pub fn pause_stream(&self, stream: StreamId) {
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sys::stop();
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}
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pub fn destroy_stream(&self, stream_id: StreamId) {
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let mut asio_stream_lock = self.asio_stream.lock().unwrap();
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let old_stream = mem::replace(&mut *asio_stream_lock, None);
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if let Some(old_stream) = old_stream {
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sys::destroy_stream(old_stream);
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// Get stream types
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sys::set_callback(move |index| unsafe {
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if let Some(ref asio_stream) = *asio_stream.lock().unwrap() {
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// Number of samples needed total
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let cpal_num_samples =
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(asio_stream.buffer_size as usize) * num_channels as usize;
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let mut callbacks = callbacks.lock().unwrap();
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// Assuming only one callback, probably needs to change
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match callbacks.first_mut() {
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Some(callback) => {
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macro_rules! try_callback {
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($SampleFormat:ident,
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$SampleType:ty,
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$SampleTypeIdent:ident,
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$AsioType:ty,
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$AsioTypeIdent:ident) => {
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// Buffer that is filled by cpal.
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let mut cpal_buffer: Vec<$SampleType> = vec![0 as $SampleType; cpal_num_samples];
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// Call in block because of mut borrow
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{
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let buff = OutputBuffer{
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buffer: &mut cpal_buffer
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};
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callback(
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StreamId(count),
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StreamData::Output{
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buffer: UnknownTypeOutputBuffer::$SampleFormat(
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::OutputBuffer{
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target: Some(super::super::OutputBuffer::Asio(buff))
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})
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}
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);
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}
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// Function for deinterleaving because
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// cpal writes to buffer interleaved
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fn deinterleave(data_slice: &mut [$SampleType],
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num_channels: usize) -> Vec<Vec<$SampleType>>{
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let mut channels: Vec<Vec<$SampleType>> = Vec::new();
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for i in 0..num_channels{
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let mut it = data_slice.iter().skip(i).cloned();
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let channel = it.step(num_channels).collect();
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channels.push(channel);
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}
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channels
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}
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// Deinter all the channels
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let deinter_channels = deinterleave(&mut cpal_buffer[..],
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num_channels as usize);
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// For each channel write the cpal data to
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// the asio buffer
|
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// Also need to check for Endian
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for (i, channel) in deinter_channels.into_iter().enumerate(){
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let buff_ptr = (asio_stream
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.buffer_infos[i]
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.buffers[index as usize] as *mut $AsioType)
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.offset(asio_stream.buffer_size as isize * i as isize);
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let asio_buffer: &'static mut [$AsioType] =
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std::slice::from_raw_parts_mut(
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buff_ptr,
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asio_stream.buffer_size as usize);
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for (asio_s, cpal_s) in asio_buffer.iter_mut()
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.zip(&channel){
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*asio_s = (*cpal_s as i64 *
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::std::$AsioTypeIdent::MAX as i64 /
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::std::$SampleTypeIdent::MAX as i64) as $AsioType;
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}
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}
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};
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}
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// Generic over types
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// TODO check for endianess
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match stream_type {
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sys::AsioSampleType::ASIOSTInt32LSB => {
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try_callback!(I16, i16, i16, i32, i32);
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}
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sys::AsioSampleType::ASIOSTInt16LSB => {
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try_callback!(I16, i16, i16, i16, i16);
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}
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sys::AsioSampleType::ASIOSTFloat32LSB => {
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try_callback!(F32, f32, f32, f32, f32);
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}
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sys::AsioSampleType::ASIOSTFloat32LSB => {
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try_callback!(F32, f32, f32, f64, f64);
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}
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_ => println!("unsupported format {:?}", stream_type),
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}
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}
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None => return (),
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}
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}
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});
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Ok(StreamId(count))
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}
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}
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pub fn run<F>(&self, mut callback: F) -> !
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where
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F: FnMut(StreamId, StreamData) + Send,
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{
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let callback: &mut (FnMut(StreamId, StreamData) + Send) = &mut callback;
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self.callbacks
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.lock()
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.unwrap()
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.push(unsafe { mem::transmute(callback) });
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loop {
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// Might need a sleep here to prevent the loop being
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// removed in --release
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Err(ref e) => {
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println!("Error preparing stream: {}", e);
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Err(CreationError::DeviceNotAvailable)
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}
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}
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}
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pub fn play_stream(&self, stream: StreamId) {
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sys::play();
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}
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pub fn pause_stream(&self, stream: StreamId) {
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sys::stop();
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}
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pub fn destroy_stream(&self, stream_id: StreamId) {
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let mut asio_stream_lock = self.asio_stream.lock().unwrap();
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let old_stream = mem::replace(&mut *asio_stream_lock, None);
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if let Some(old_stream) = old_stream {
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sys::destroy_stream(old_stream);
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}
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}
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pub fn run<F>(&self, mut callback: F) -> !
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where
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F: FnMut(StreamId, StreamData) + Send,
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{
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let callback: &mut (FnMut(StreamId, StreamData) + Send) = &mut callback;
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self.callbacks
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.lock()
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.unwrap()
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.push(unsafe { mem::transmute(callback) });
|
||||
loop {
|
||||
// Might need a sleep here to prevent the loop being
|
||||
// removed in --release
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl<'a, T> InputBuffer<'a, T> {
|
||||
pub fn buffer(&self) -> &[T] {
|
||||
unimplemented!()
|
||||
&self.buffer
|
||||
}
|
||||
pub fn finish(self) {
|
||||
unimplemented!()
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue