Add audio stretching support
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15 changed files with 50 additions and 0 deletions
3
.gitmodules
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3
.gitmodules
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@ -31,3 +31,6 @@
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[submodule "opus"]
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path = externals/opus
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url = https://github.com/ogniK5377/opus.git
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[submodule "soundtouch"]
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path = externals/soundtouch
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url = https://github.com/citra-emu/ext-soundtouch.git
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3
externals/CMakeLists.txt
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3
externals/CMakeLists.txt
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@ -47,6 +47,9 @@ target_include_directories(microprofile INTERFACE ./microprofile)
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add_library(unicorn-headers INTERFACE)
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target_include_directories(unicorn-headers INTERFACE ./unicorn/include)
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# SoundTouch
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add_subdirectory(soundtouch)
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# Xbyak
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if (ARCHITECTURE_x86_64)
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# Defined before "dynarmic" above
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1
externals/soundtouch
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Submodule
1
externals/soundtouch
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Submodule
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@ -0,0 +1 @@
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Subproject commit 060181eaf273180d3a7e87349895bd0cb6ccbf4a
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@ -24,6 +24,7 @@ add_library(audio_core STATIC
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create_target_directory_groups(audio_core)
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target_link_libraries(audio_core PUBLIC common core)
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target_link_libraries(audio_core PRIVATE SoundTouch)
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if(ENABLE_CUBEB)
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target_link_libraries(audio_core PRIVATE cubeb)
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@ -85,6 +85,13 @@ public:
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}
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}
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size_t SamplesInQueue(u32 num_channels) const {
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if (!ctx)
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return 0;
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return queue.size() / num_channels;
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}
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u32 GetNumChannels() const {
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return num_channels;
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}
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@ -21,6 +21,10 @@ public:
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private:
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struct NullSinkStreamImpl final : SinkStream {
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void EnqueueSamples(u32 /*num_channels*/, const std::vector<s16>& /*samples*/) override {}
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size_t SamplesInQueue(u32 /*num_channels*/) const override {
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return 0;
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}
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} null_sink_stream;
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};
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@ -25,6 +25,8 @@ public:
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* @param samples Samples in interleaved stereo PCM16 format.
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*/
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virtual void EnqueueSamples(u32 num_channels, const std::vector<s16>& samples) = 0;
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virtual std::size_t SamplesInQueue(u32 num_channels) const = 0;
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};
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using SinkStreamPtr = std::unique_ptr<SinkStream>;
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@ -90,6 +90,7 @@ void Stream::PlayNextBuffer() {
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queued_buffers.pop();
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VolumeAdjustSamples(active_buffer->Samples());
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sink_stream.EnqueueSamples(GetNumChannels(), active_buffer->GetSamples());
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CoreTiming::ScheduleEventThreadsafe(GetBufferReleaseCycles(*active_buffer), release_event, {});
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@ -146,6 +146,7 @@ struct Values {
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// Audio
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std::string sink_id;
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bool enable_audio_stretching;
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std::string audio_device_id;
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float volume;
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@ -120,6 +120,9 @@ TelemetrySession::TelemetrySession() {
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Telemetry::AppendOSInfo(field_collection);
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// Log user configuration information
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AddField(Telemetry::FieldType::UserConfig, "Audio_SinkId", Settings::values.sink_id);
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AddField(Telemetry::FieldType::UserConfig, "Audio_EnableAudioStretching",
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Settings::values.enable_audio_stretching);
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AddField(Telemetry::FieldType::UserConfig, "Core_UseCpuJit", Settings::values.use_cpu_jit);
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AddField(Telemetry::FieldType::UserConfig, "Core_UseMultiCore",
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Settings::values.use_multi_core);
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@ -95,6 +95,8 @@ void Config::ReadValues() {
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qt_config->beginGroup("Audio");
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Settings::values.sink_id = qt_config->value("output_engine", "auto").toString().toStdString();
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Settings::values.enable_audio_stretching =
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qt_config->value("enable_audio_stretching", true).toBool();
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Settings::values.audio_device_id =
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qt_config->value("output_device", "auto").toString().toStdString();
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Settings::values.volume = qt_config->value("volume", 1).toFloat();
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@ -230,6 +232,7 @@ void Config::SaveValues() {
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qt_config->beginGroup("Audio");
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qt_config->setValue("output_engine", QString::fromStdString(Settings::values.sink_id));
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qt_config->setValue("enable_audio_stretching", Settings::values.enable_audio_stretching);
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qt_config->setValue("output_device", QString::fromStdString(Settings::values.audio_device_id));
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qt_config->setValue("volume", Settings::values.volume);
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qt_config->endGroup();
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@ -46,6 +46,8 @@ void ConfigureAudio::setConfiguration() {
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}
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ui->output_sink_combo_box->setCurrentIndex(new_sink_index);
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ui->toggle_audio_stretching->setChecked(Settings::values.enable_audio_stretching);
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// The device list cannot be pre-populated (nor listed) until the output sink is known.
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updateAudioDevices(new_sink_index);
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@ -67,6 +69,7 @@ void ConfigureAudio::applyConfiguration() {
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Settings::values.sink_id =
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ui->output_sink_combo_box->itemText(ui->output_sink_combo_box->currentIndex())
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.toStdString();
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Settings::values.enable_audio_stretching = ui->toggle_audio_stretching->isChecked();
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Settings::values.audio_device_id =
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ui->audio_device_combo_box->itemText(ui->audio_device_combo_box->currentIndex())
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.toStdString();
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@ -31,6 +31,16 @@
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</item>
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</layout>
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</item>
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<item>
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<widget class="QCheckBox" name="toggle_audio_stretching">
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<property name="toolTip">
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<string>This post-processing effect adjusts audio speed to match emulation speed and helps prevent audio stutter. This however increases audio latency.</string>
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</property>
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<property name="text">
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<string>Enable audio stretching</string>
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</property>
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</widget>
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</item>
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<item>
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<layout class="QHBoxLayout">
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<item>
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@ -108,6 +108,8 @@ void Config::ReadValues() {
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// Audio
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Settings::values.sink_id = sdl2_config->Get("Audio", "output_engine", "auto");
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Settings::values.enable_audio_stretching =
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sdl2_config->GetBoolean("Audio", "enable_audio_stretching", true);
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Settings::values.audio_device_id = sdl2_config->Get("Audio", "output_device", "auto");
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Settings::values.volume = sdl2_config->GetReal("Audio", "volume", 1);
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@ -150,6 +150,12 @@ swap_screen =
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# auto (default): Auto-select, null: No audio output, cubeb: Cubeb audio engine (if available)
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output_engine =
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# Whether or not to enable the audio-stretching post-processing effect.
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# This effect adjusts audio speed to match emulation speed and helps prevent audio stutter,
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# at the cost of increasing audio latency.
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# 0: No, 1 (default): Yes
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enable_audio_stretching =
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# Which audio device to use.
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# auto (default): Auto-select
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output_device =
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