72 lines
2.3 KiB
C++
72 lines
2.3 KiB
C++
// SPDX-License-Identifier: MPL-2.0
|
|
// Copyright © 2020 Skyline Team and Contributors (https://github.com/skyline-emu/)
|
|
|
|
#include "track.h"
|
|
|
|
namespace skyline::audio {
|
|
AudioTrack::AudioTrack(const u8 channelCount, const u32 sampleRate, const std::function<void()> &releaseCallback) : channelCount(channelCount), sampleRate(sampleRate), releaseCallback(releaseCallback) {
|
|
if (sampleRate != constant::SampleRate)
|
|
throw exception("Unsupported audio sample rate: {}", sampleRate);
|
|
|
|
if (channelCount != constant::ChannelCount)
|
|
throw exception("Unsupported quantity of audio channels: {}", channelCount);
|
|
}
|
|
|
|
void AudioTrack::Stop() {
|
|
while (!identifiers.end()->released);
|
|
playbackState = AudioOutState::Stopped;
|
|
}
|
|
|
|
bool AudioTrack::ContainsBuffer(u64 tag) {
|
|
// Iterate from front of queue as we don't want released samples
|
|
for (auto identifier = identifiers.crbegin(); identifier != identifiers.crend(); ++identifier) {
|
|
if (identifier->released)
|
|
return false;
|
|
|
|
if (identifier->tag == tag)
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
std::vector<u64> AudioTrack::GetReleasedBuffers(u32 max) {
|
|
std::vector<u64> bufferIds;
|
|
|
|
for (auto index = 0; index < max; index++) {
|
|
if (!identifiers.back().released)
|
|
break;
|
|
bufferIds.push_back(identifiers.back().tag);
|
|
identifiers.pop_back();
|
|
}
|
|
|
|
return bufferIds;
|
|
}
|
|
|
|
void AudioTrack::AppendBuffer(u64 tag, const i16 *address, u64 size) {
|
|
BufferIdentifier identifier;
|
|
|
|
identifier.released = false;
|
|
identifier.tag = tag;
|
|
|
|
if (identifiers.empty())
|
|
identifier.finalSample = size;
|
|
else
|
|
identifier.finalSample = size + identifiers.front().finalSample;
|
|
|
|
std::lock_guard guard(bufferLock);
|
|
|
|
identifiers.push_front(identifier);
|
|
samples.Append(const_cast<i16 *>(address), size);
|
|
}
|
|
|
|
void AudioTrack::CheckReleasedBuffers() {
|
|
for (auto &identifier : identifiers) {
|
|
if (identifier.finalSample <= sampleCounter && !identifier.released) {
|
|
releaseCallback();
|
|
identifier.released = true;
|
|
}
|
|
}
|
|
}
|
|
}
|