sgilissen/llamaplayer
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AudioStream: Replace buffer queue with ring buffer

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Should achieve a decent overall minimum latency reduction.
This commit is contained in:
Connor McLaughlin
2020-06-06 14:40:20 +10:00
parent 6acd8b27dd
commit 531c3ad5fa
16 changed files with 205 additions and 253 deletions
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13
src/duckstation-qt/audiosettingswidget.cpp
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@ -14,13 +14,11 @@ AudioSettingsWidget::AudioSettingsWidget(QtHostInterface* host_interface, QWidge
&Settings::ParseAudioBackend, &Settings::GetAudioBackendName);
SettingWidgetBinder::BindWidgetToBoolSetting(m_host_interface, m_ui.syncToOutput, "Audio/Sync");
SettingWidgetBinder::BindWidgetToIntSetting(m_host_interface, m_ui.bufferSize, "Audio/BufferSize");
SettingWidgetBinder::BindWidgetToIntSetting(m_host_interface, m_ui.bufferCount, "Audio/BufferCount");
SettingWidgetBinder::BindWidgetToIntSetting(m_host_interface, m_ui.volume, "Audio/OutputVolume");
SettingWidgetBinder::BindWidgetToBoolSetting(m_host_interface, m_ui.muted, "Audio/OutputMuted");
SettingWidgetBinder::BindWidgetToBoolSetting(m_host_interface, m_ui.startDumpingOnBoot, "Audio/DumpOnBoot");
connect(m_ui.bufferSize, &QSlider::valueChanged, this, &AudioSettingsWidget::updateBufferingLabel);
connect(m_ui.bufferCount, &QSlider::valueChanged, this, &AudioSettingsWidget::updateBufferingLabel);
connect(m_ui.volume, &QSlider::valueChanged, this, &AudioSettingsWidget::updateVolumeLabel);
updateBufferingLabel();
@ -32,14 +30,9 @@ AudioSettingsWidget::~AudioSettingsWidget() = default;
void AudioSettingsWidget::updateBufferingLabel()
{
const u32 buffer_size = static_cast<u32>(m_ui.bufferSize->value());
const u32 buffer_count = static_cast<u32>(m_ui.bufferCount->value());
const float min_latency = AudioStream::GetMinLatency(HostInterface::AUDIO_SAMPLE_RATE, buffer_size, buffer_count);
const float max_latency = AudioStream::GetMaxLatency(HostInterface::AUDIO_SAMPLE_RATE, buffer_size, buffer_count);
m_ui.bufferingLabel->setText(tr("%1 samples, %2 buffers (min %3ms, max %4ms)")
.arg(buffer_size)
.arg(buffer_count)
.arg(min_latency * 1000.0f, 0, 'f', 2)
.arg(max_latency * 1000.0f, 0, 'f', 2));
const float max_latency = AudioStream::GetMaxLatency(HostInterface::AUDIO_SAMPLE_RATE, buffer_size);
m_ui.bufferingLabel->setText(
tr("Maximum latency: %1 frames (%2ms)").arg(buffer_size).arg(max_latency * 1000.0f, 0, 'f', 2));
}
void AudioSettingsWidget::updateVolumeLabel()