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Android: Implement oboe audio backend

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Co-Authored-By: Ishan09811 <156402647+ishan09811@users.noreply.github.com>
This commit is contained in:
Gamer64ytb 2024-07-25 22:53:08 +02:00
parent 50b149af1d
commit 322e61cbac
13 changed files with 393 additions and 1 deletions
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3
.gitmodules vendored
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@ -91,3 +91,6 @@
[submodule "oaknut"]
path = externals/oaknut
url = https://github.com/merryhime/oaknut.git
[submodule "externals/oboe"]
path = externals/oboe
url = https://github.com/google/oboe.git

5
externals/CMakeLists.txt vendored
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@ -126,6 +126,11 @@ if (MSVC)
add_subdirectory(getopt)
endif()
# oboe
if (ANDROID)
add_subdirectory(oboe)
endif()
# inih
if(USE_SYSTEM_INIH)
find_package(inih REQUIRED COMPONENTS inih inir)

1
externals/oboe vendored Submodule

@ -0,0 +1 @@
Subproject commit 907c35a205b4ee9bb0b16f6a3a5a8bc1df2a6f33

7
src/android/app/src/main/java/org/citra/citra_emu/fragments/LicensesFragment.kt
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@ -61,6 +61,13 @@ class LicensesFragment : Fragment() {
R.string.license_adreno_tools_copyright,
R.string.license_adreno_tools_text
),
License(
R.string.license_oboe,
R.string.license_oboe_description,
R.string.license_oboe_link,
R.string.license_oboe_copyright,
R.string.license_oboe_text
),
License(
R.string.license_cubeb,
R.string.license_cubeb_description,

1
src/android/app/src/main/res/values-es/strings.xml
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@ -484,6 +484,7 @@ Se esperan fallos gráficos temporales cuando ésta esté activado.</string>
<string name="static_noise">Ruido Estático</string>
<string name="real_cubeb">Dispositivo Real (cubeb)</string>
<string name="real_openal">Dispositivo Real (OpenAL)</string>
<string name="real_oboe">Dispositivo Real (Oboe)</string>
<!-- Render 3D modes -->
<string name="side_by_side">De lado a lado</string>

2
src/android/app/src/main/res/values/arrays.xml
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@ -124,6 +124,7 @@
<item>@string/static_noise</item>
<item>@string/real_cubeb</item>
<item>@string/real_openal</item>
<item>@string/real_oboe</item>
</string-array>
<integer-array name="audioInputTypeValues">
@ -132,6 +133,7 @@
<item>2</item>
<item>3</item>
<item>4</item>
<item>5</item>
</integer-array>
<string-array name="render3dModes">

206
src/android/app/src/main/res/values/licenses.xml
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@ -1,5 +1,5 @@
<?xml version="1.0" encoding="utf-8"?>
<resources>
<resources xmlns:tools="http://schemas.android.com/tools">
<string name="license_mit" translatable="false">
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
@ -90,6 +90,210 @@ ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
</string>
<string name="license_oboe" translatable="false">oboe</string>
<string name="license_oboe_description" translatable="false">Oboe is a C++ library which makes it easy to build high-performance audio apps on Android</string>
<string name="license_oboe_link" translatable="false">https://github.com/google/oboe/</string>
<string name="license_oboe_copyright" translatable="false">Copyright©️ Google</string>
<string name="license_oboe_text" tools:ignore="TypographyOther" translatable="false">
\n
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION\n
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</string>
<string name="license_cubeb" translatable="false">cubeb</string>
<string name="license_cubeb_description" translatable="false">Cross platform audio library</string>

1
src/android/app/src/main/res/values/strings.xml
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@ -510,6 +510,7 @@
<string name="static_noise">Static Noise</string>
<string name="real_cubeb">Real Device (cubeb)</string>
<string name="real_openal">Real Device (OpenAL)</string>
<string name="real_oboe">Real Device (Oboe)</string>
<!-- Render 3D modes -->
<string name="side_by_side">Side by Side</string>

8
src/audio_core/CMakeLists.txt
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@ -62,6 +62,14 @@ if(ENABLE_OPENAL)
add_definitions(-DAL_LIBTYPE_STATIC)
endif()
if(ANDROID)
target_sources(audio_core PRIVATE
oboe_sink.cpp
oboe_sink.h
)
target_link_libraries(audio_core PRIVATE oboe)
endif()
if (CITRA_USE_PRECOMPILED_HEADERS)
target_precompile_headers(audio_core PRIVATE precompiled_headers.h)
endif()

124
src/audio_core/oboe_sink.cpp Normal file
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@ -0,0 +1,124 @@
#include "oboe_sink.h"
#include <memory>
#include <oboe/Oboe.h>
#include "audio_core/audio_types.h"
#include "common/logging/log.h"
namespace AudioCore {
class OboeSink::Impl : public oboe::AudioStreamCallback {
public:
Impl() = default;
~Impl() override {
// Destructor now ensures that the stream is properly stopped and closed
if (mStream && mStream->getState() != oboe::StreamState::Closed) {
mStream->stop();
mStream->close();
mStream.reset();
}
}
oboe::DataCallbackResult onAudioReady(oboe::AudioStream* oboeStream, void* audioData,
int32_t numFrames) override {
s16* outputBuffer = static_cast<s16*>(audioData);
if (mCallback) {
mCallback(outputBuffer, static_cast<std::size_t>(numFrames));
}
return oboe::DataCallbackResult::Continue;
}
void onErrorAfterClose(oboe::AudioStream* /* oboeStream */, oboe::Result error) override {
if (error == oboe::Result::ErrorDisconnected) {
LOG_INFO(Audio_Sink, "Restarting AudioStream after disconnect");
start();
} else {
LOG_CRITICAL(Audio_Sink, "Error after close: {}", error);
}
}
bool start() {
if (mStream && mStream->getState() != oboe::StreamState::Closed) {
mStream->stop();
mStream->close();
}
if (mStream) {
mStream.reset();
}
oboe::AudioStreamBuilder builder;
auto result = builder.setSharingMode(oboe::SharingMode::Exclusive)
->setPerformanceMode(oboe::PerformanceMode::LowLatency)
->setUsage(oboe::Usage::Game)
->setFormat(oboe::AudioFormat::I16)
->setSampleRate(mSampleRate)
->setChannelCount(2)
->setCallback(this)
->openStream(mStream);
if (result != oboe::Result::OK) {
LOG_CRITICAL(Audio_Sink, "Error creating playback stream: {}",
oboe::convertToText(result));
return false;
}
mSampleRate = mStream->getSampleRate();
result = mStream->start();
if (result != oboe::Result::OK) {
LOG_CRITICAL(Audio_Sink, "Error starting playback stream: {}",
oboe::convertToText(result));
return false;
}
return true;
}
void stop() {
if (mStream && mStream->getState() != oboe::StreamState::Closed) {
auto stopResult = mStream->stop();
auto closeResult = mStream->close();
if (stopResult != oboe::Result::OK) {
LOG_CRITICAL(Audio_Sink, "Error stopping playback stream: {}",
oboe::convertToText(stopResult));
}
if (closeResult != oboe::Result::OK) {
LOG_CRITICAL(Audio_Sink, "Error closing playback stream: {}",
oboe::convertToText(closeResult));
}
mStream.reset();
}
}
int32_t GetSampleRate() const {
return mSampleRate;
}
void SetCallback(std::function<void(s16*, std::size_t)> cb) {
mCallback = cb;
}
private:
std::shared_ptr<oboe::AudioStream> mStream;
std::function<void(s16*, std::size_t)> mCallback;
int32_t mSampleRate = native_sample_rate;
};
OboeSink::OboeSink(std::string_view device_id) : impl(std::make_unique<Impl>()) {}
OboeSink::~OboeSink() {
// Ensures resources are freed up when OboeSink is destroyed
if (impl) {
impl->stop();
}
}
unsigned int OboeSink::GetNativeSampleRate() const {
return impl->GetSampleRate();
}
void OboeSink::SetCallback(std::function<void(s16*, std::size_t)> cb) {
impl->SetCallback(cb);
impl->start();
}
std::vector<std::string> ListOboeSinkDevices() {
return {"auto"};
}
} // namespace AudioCore

25
src/audio_core/oboe_sink.h Normal file
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@ -0,0 +1,25 @@
#pragma once
#include <memory>
#include <string>
#include <vector>
#include "audio_core/sink.h"
namespace AudioCore {
class OboeSink final : public Sink {
public:
explicit OboeSink(std::string_view device_id);
~OboeSink() override;
unsigned int GetNativeSampleRate() const override;
void SetCallback(std::function<void(s16*, std::size_t)> cb) override;
private:
class Impl;
std::unique_ptr<Impl> impl;
};
std::vector<std::string> ListOboeSinkDevices();
} // namespace AudioCore

10
src/audio_core/sink_details.cpp
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@ -8,6 +8,9 @@
#include <vector>
#include "audio_core/null_sink.h"
#include "audio_core/sink_details.h"
#ifdef ANDROID
#include "audio_core/oboe_sink.h"
#endif
#ifdef HAVE_SDL2
#include "audio_core/sdl2_sink.h"
#endif
@ -37,6 +40,13 @@ constexpr std::array sink_details = {
},
&ListOpenALSinkDevices},
#endif
#ifdef ANDROID
SinkDetails{SinkType::Oboe, "Oboe",
[](std::string_view device_id) -> std::unique_ptr<Sink> {
return std::make_unique<OboeSink>(device_id);
},
&ListOboeSinkDevices},
#endif
#ifdef HAVE_SDL2
SinkDetails{SinkType::SDL2, "SDL2",
[](std::string_view device_id) -> std::unique_ptr<Sink> {

1
src/audio_core/sink_details.h
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@ -20,6 +20,7 @@ enum class SinkType : u32 {
Cubeb = 2,
OpenAL = 3,
SDL2 = 4,
Oboe = 5,
};
struct SinkDetails {