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use audio::{Audio, BUFFER_CAPACITY};
pub struct DefaultAudio {
buffer_index: usize,
buffer: [f32; BUFFER_CAPACITY],
previous_value: f32
}
impl DefaultAudio {
pub fn new() -> Self {
DefaultAudio {
buffer_index: 0,
buffer: [0.0; BUFFER_CAPACITY],
previous_value: 0.0
}
}
}
impl Audio for DefaultAudio {
fn push(&mut self, value: f32) {
if self.buffer_index >= BUFFER_CAPACITY {
return;
}
self.buffer[self.buffer_index] = value;
self.buffer_index += 1;
}
fn copy_sample_buffer(&mut self, sample_buffer: &mut [f32]) {
let client_sample_buffer_length = 4096;
for i in 0..client_sample_buffer_length {
sample_buffer[i] = match i >= self.buffer_index {
true => self.previous_value,
false => self.buffer[i]
};
self.previous_value = sample_buffer[i];
}
for i in client_sample_buffer_length..self.buffer.len() {
self.buffer[i - client_sample_buffer_length] = self.buffer[i];
}
self.buffer_index = match self.buffer_index < client_sample_buffer_length {
true => 0,
false => self.buffer_index - client_sample_buffer_length
};
}
}