commit
8b0111913a
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@ -19,7 +19,7 @@ impl Voice {
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let name = ffi::CString::from_slice(b"default");
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let name = ffi::CString::from_slice(b"default");
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let mut playback_handle = mem::uninitialized();
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let mut playback_handle = mem::uninitialized();
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check_errors(alsa::snd_pcm_open(&mut playback_handle, name.as_slice_with_nul().as_ptr(), alsa::SND_PCM_STREAM_PLAYBACK, alsa::SND_PCM_NONBLOCK)).unwrap();
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check_errors(alsa::snd_pcm_open(&mut playback_handle, name.as_ptr(), alsa::SND_PCM_STREAM_PLAYBACK, alsa::SND_PCM_NONBLOCK)).unwrap();
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let mut hw_params = mem::uninitialized();
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let mut hw_params = mem::uninitialized();
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check_errors(alsa::snd_pcm_hw_params_malloc(&mut hw_params)).unwrap();
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check_errors(alsa::snd_pcm_hw_params_malloc(&mut hw_params)).unwrap();
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@ -87,7 +87,7 @@ pub struct Voice(cpal_impl::Voice);
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pub type ChannelsCount = u16;
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pub type ChannelsCount = u16;
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///
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///
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#[derive(Show, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
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#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
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pub struct SamplesRate(pub u32);
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pub struct SamplesRate(pub u32);
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/// Represents a buffer that must be filled with audio data.
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/// Represents a buffer that must be filled with audio data.
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@ -95,7 +95,7 @@ pub struct SamplesRate(pub u32);
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/// You should destroy this object as soon as possible. Data is only committed when it
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/// You should destroy this object as soon as possible. Data is only committed when it
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/// is destroyed.
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/// is destroyed.
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#[must_use]
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#[must_use]
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pub struct Buffer<'a, T> {
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pub struct Buffer<'a, T: 'a> {
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// also contains something, taken by `Drop`
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// also contains something, taken by `Drop`
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target: Option<cpal_impl::Buffer<'a, T>>,
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target: Option<cpal_impl::Buffer<'a, T>>,
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@ -2,7 +2,7 @@ use std::borrow::Cow;
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use std::mem;
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use std::mem;
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/// Format that each sample has.
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/// Format that each sample has.
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#[derive(Clone, Copy, Show, PartialEq, Eq)]
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#[derive(Clone, Copy, Debug, PartialEq, Eq)]
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pub enum SampleFormat {
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pub enum SampleFormat {
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/// The value 0 corresponds to 0.
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/// The value 0 corresponds to 0.
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I16,
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I16,
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@ -32,11 +32,11 @@ pub trait Sample: Copy + Clone {
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fn interpolate(self, other: Self) -> Self;
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fn interpolate(self, other: Self) -> Self;
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/// Turns the data into samples of type `I16`.
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/// Turns the data into samples of type `I16`.
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fn to_vec_i16(&[Self]) -> Cow<Vec<i16>, [i16]>;
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fn to_vec_i16(&[Self]) -> Cow<[i16]>;
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/// Turns the data into samples of type `U16`.
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/// Turns the data into samples of type `U16`.
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fn to_vec_u16(&[Self]) -> Cow<Vec<u16>, [u16]>;
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fn to_vec_u16(&[Self]) -> Cow<[u16]>;
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/// Turns the data into samples of type `F32`.
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/// Turns the data into samples of type `F32`.
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fn to_vec_f32(&[Self]) -> Cow<Vec<f32>, [f32]>;
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fn to_vec_f32(&[Self]) -> Cow<[f32]>;
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}
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}
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impl Sample for u16 {
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impl Sample for u16 {
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@ -48,7 +48,7 @@ impl Sample for u16 {
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(self + other) / 2
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(self + other) / 2
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}
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}
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fn to_vec_i16(input: &[u16]) -> Cow<Vec<i16>, [i16]> {
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fn to_vec_i16(input: &[u16]) -> Cow<[i16]> {
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Cow::Owned(input.iter().map(|&value| {
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Cow::Owned(input.iter().map(|&value| {
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if value >= 32768 {
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if value >= 32768 {
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(value - 32768) as i16
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(value - 32768) as i16
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@ -58,11 +58,11 @@ impl Sample for u16 {
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}).collect())
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}).collect())
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}
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}
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fn to_vec_u16(input: &[u16]) -> Cow<Vec<u16>, [u16]> {
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fn to_vec_u16(input: &[u16]) -> Cow<[u16]> {
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Cow::Borrowed(input)
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Cow::Borrowed(input)
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}
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}
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fn to_vec_f32(input: &[u16]) -> Cow<Vec<f32>, [f32]> {
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fn to_vec_f32(input: &[u16]) -> Cow<[f32]> {
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Cow::Owned(Sample::to_vec_f32(Sample::to_vec_i16(input).as_slice()).to_vec())
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Cow::Owned(Sample::to_vec_f32(Sample::to_vec_i16(input).as_slice()).to_vec())
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}
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}
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}
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}
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@ -76,11 +76,11 @@ impl Sample for i16 {
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(self + other) / 2
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(self + other) / 2
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}
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}
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fn to_vec_i16(input: &[i16]) -> Cow<Vec<i16>, [i16]> {
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fn to_vec_i16(input: &[i16]) -> Cow<[i16]> {
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Cow::Borrowed(input)
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Cow::Borrowed(input)
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}
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}
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fn to_vec_u16(input: &[i16]) -> Cow<Vec<u16>, [u16]> {
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fn to_vec_u16(input: &[i16]) -> Cow<[u16]> {
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Cow::Owned(input.iter().map(|&value| {
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Cow::Owned(input.iter().map(|&value| {
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if value < 0 {
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if value < 0 {
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(value + 32767) as u16 + 1
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(value + 32767) as u16 + 1
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}).collect())
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}).collect())
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}
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}
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fn to_vec_f32(input: &[i16]) -> Cow<Vec<f32>, [f32]> {
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fn to_vec_f32(input: &[i16]) -> Cow<[f32]> {
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Cow::Owned(input.iter().map(|&value| {
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Cow::Owned(input.iter().map(|&value| {
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if value > 0 {
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if value > 0 {
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value as f32 / 32767.0
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value as f32 / 32767.0
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(self + other) / 2.0
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(self + other) / 2.0
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}
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}
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fn to_vec_i16(input: &[f32]) -> Cow<Vec<i16>, [i16]> {
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fn to_vec_i16(input: &[f32]) -> Cow<[i16]> {
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Cow::Owned(input.iter().map(|&value| {
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Cow::Owned(input.iter().map(|&value| {
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if value >= 0.0 {
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if value >= 0.0 {
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(value * 32767.0) as i16
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(value * 32767.0) as i16
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}).collect())
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}).collect())
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}
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}
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fn to_vec_u16(input: &[f32]) -> Cow<Vec<u16>, [u16]> {
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fn to_vec_u16(input: &[f32]) -> Cow<[u16]> {
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Cow::Owned(input.iter().map(|&value| {
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Cow::Owned(input.iter().map(|&value| {
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if value >= 0.0 {
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if value >= 0.0 {
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((value * 32767.0) + 32768.0) as u16
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((value * 32767.0) + 32768.0) as u16
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}).collect())
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}).collect())
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}
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}
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fn to_vec_f32(input: &[f32]) -> Cow<Vec<f32>, [f32]> {
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fn to_vec_f32(input: &[f32]) -> Cow<[f32]> {
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Cow::Borrowed(input)
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Cow::Borrowed(input)
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}
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}
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}
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}
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@ -3,6 +3,7 @@ extern crate winapi;
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extern crate "ole32-sys" as ole32;
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extern crate "ole32-sys" as ole32;
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use std::{slice, mem, ptr};
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use std::{slice, mem, ptr};
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use std::marker::PhantomData;
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// TODO: determine if should be NoSend or not
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// TODO: determine if should be NoSend or not
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pub struct Voice {
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pub struct Voice {
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playing: bool,
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playing: bool,
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}
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}
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pub struct Buffer<'a, T> {
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pub struct Buffer<'a, T: 'a> {
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render_client: *mut winapi::IAudioRenderClient,
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render_client: *mut winapi::IAudioRenderClient,
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buffer_data: *mut T,
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buffer_data: *mut T,
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buffer_len: usize,
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buffer_len: usize,
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frames: winapi::UINT32,
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frames: winapi::UINT32,
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marker: PhantomData<&'a mut T>,
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}
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}
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impl Voice {
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impl Voice {
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buffer_data: buffer_data,
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buffer_data: buffer_data,
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buffer_len: buffer_len,
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buffer_len: buffer_len,
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frames: frames_available,
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frames: frames_available,
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marker: PhantomData,
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};
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};
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return buffer;
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return buffer;
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Loading…
Reference in New Issue