bsnes/higan/audio/buffer.hpp

51 lines
996 B
C++

#pragma once
struct Buffer {
Buffer() {
}
~Buffer() {
setChannels(0);
}
auto setChannels(uint channels) -> void {
if(sample) {
for(auto c : range(this->channels)) {
if(sample[c]) delete[] sample[c];
}
delete[] sample;
}
this->channels = channels;
if(channels == 0) return;
sample = new double*[channels];
for(auto c : range(channels)) {
sample[c] = new double[65536]();
}
}
inline auto read(uint channel, int offset = 0) -> double& {
return sample[channel][(uint16_t)(rdoffset + offset)];
}
inline auto write(uint channel, int offset = 0) -> double& {
return sample[channel][(uint16_t)(wroffset + offset)];
}
inline auto clear() -> void {
for(auto c : range(channels)) {
for(auto n : range(65536)) {
sample[c][n] = 0;
}
}
rdoffset = 0;
wroffset = 0;
}
double** sample = nullptr;
uint16_t rdoffset = 0;
uint16_t wroffset = 0;
uint channels = 0;
};