diff options
Diffstat (limited to 'externals/oboe/samples/LiveEffect/src/main/cpp')
6 files changed, 0 insertions, 602 deletions
diff --git a/externals/oboe/samples/LiveEffect/src/main/cpp/CMakeLists.txt b/externals/oboe/samples/LiveEffect/src/main/cpp/CMakeLists.txt deleted file mode 100644 index 916edc0cf7..0000000000 --- a/externals/oboe/samples/LiveEffect/src/main/cpp/CMakeLists.txt +++ /dev/null @@ -1,46 +0,0 @@ -# -# Copyright 2018 The Android Open Source Project -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. -# -cmake_minimum_required(VERSION 3.4.1) -project(liveEffect LANGUAGES C CXX) - -get_filename_component(SAMPLE_ROOT_DIR - ${CMAKE_CURRENT_SOURCE_DIR}/../../../.. ABSOLUTE) - -### INCLUDE OBOE LIBRARY ### -set (OBOE_DIR ${SAMPLE_ROOT_DIR}/..) -add_subdirectory(${OBOE_DIR} ./oboe-bin) - -add_library(liveEffect - SHARED - LiveEffectEngine.cpp - jni_bridge.cpp - ${SAMPLE_ROOT_DIR}/debug-utils/trace.cpp) -target_include_directories(liveEffect - PRIVATE - ${SAMPLE_ROOT_DIR}/debug-utils - ${OBOE_DIR}/include) -target_link_libraries(liveEffect - PRIVATE - oboe - android - atomic - log) -target_link_options(liveEffect PRIVATE "-Wl,-z,max-page-size=16384") - -# Enable optimization flags: if having problems with source level debugging, -# disable -Ofast ( and debug ), re-enable it after done debugging. -target_compile_options(liveEffect PRIVATE -Wall -Werror "$<$<CONFIG:RELEASE>:-Ofast>") - diff --git a/externals/oboe/samples/LiveEffect/src/main/cpp/FullDuplexPass.h b/externals/oboe/samples/LiveEffect/src/main/cpp/FullDuplexPass.h deleted file mode 100644 index 4c8bbd6db4..0000000000 --- a/externals/oboe/samples/LiveEffect/src/main/cpp/FullDuplexPass.h +++ /dev/null @@ -1,54 +0,0 @@ -/* - * Copyright 2018 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#ifndef SAMPLES_FULLDUPLEXPASS_H -#define SAMPLES_FULLDUPLEXPASS_H - -class FullDuplexPass : public oboe::FullDuplexStream { -public: - virtual oboe::DataCallbackResult - onBothStreamsReady( - const void *inputData, - int numInputFrames, - void *outputData, - int numOutputFrames) { - // Copy the input samples to the output with a little arbitrary gain change. - - // This code assumes the data format for both streams is Float. - const float *inputFloats = static_cast<const float *>(inputData); - float *outputFloats = static_cast<float *>(outputData); - - // It also assumes the channel count for each stream is the same. - int32_t samplesPerFrame = getOutputStream()->getChannelCount(); - int32_t numInputSamples = numInputFrames * samplesPerFrame; - int32_t numOutputSamples = numOutputFrames * samplesPerFrame; - - // It is possible that there may be fewer input than output samples. - int32_t samplesToProcess = std::min(numInputSamples, numOutputSamples); - for (int32_t i = 0; i < samplesToProcess; i++) { - *outputFloats++ = *inputFloats++ * 0.95; // do some arbitrary processing - } - - // If there are fewer input samples then clear the rest of the buffer. - int32_t samplesLeft = numOutputSamples - numInputSamples; - for (int32_t i = 0; i < samplesLeft; i++) { - *outputFloats++ = 0.0; // silence - } - - return oboe::DataCallbackResult::Continue; - } -}; -#endif //SAMPLES_FULLDUPLEXPASS_H diff --git a/externals/oboe/samples/LiveEffect/src/main/cpp/LiveEffectEngine.cpp b/externals/oboe/samples/LiveEffect/src/main/cpp/LiveEffectEngine.cpp deleted file mode 100644 index 63d0a55a47..0000000000 --- a/externals/oboe/samples/LiveEffect/src/main/cpp/LiveEffectEngine.cpp +++ /dev/null @@ -1,245 +0,0 @@ -/** - * Copyright 2018 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include <cassert> -#include <logging_macros.h> - -#include "LiveEffectEngine.h" - -LiveEffectEngine::LiveEffectEngine() { - assert(mOutputChannelCount == mInputChannelCount); -} - -void LiveEffectEngine::setRecordingDeviceId(int32_t deviceId) { - mRecordingDeviceId = deviceId; -} - -void LiveEffectEngine::setPlaybackDeviceId(int32_t deviceId) { - mPlaybackDeviceId = deviceId; -} - -bool LiveEffectEngine::isAAudioRecommended() { - return oboe::AudioStreamBuilder::isAAudioRecommended(); -} - -bool LiveEffectEngine::setAudioApi(oboe::AudioApi api) { - if (mIsEffectOn) return false; - mAudioApi = api; - return true; -} - -bool LiveEffectEngine::setEffectOn(bool isOn) { - bool success = true; - if (isOn != mIsEffectOn) { - if (isOn) { - success = openStreams() == oboe::Result::OK; - if (success) { - mIsEffectOn = isOn; - } - } else { - closeStreams(); - mIsEffectOn = isOn; - } - } - return success; -} - -void LiveEffectEngine::closeStreams() { - /* - * Note: The order of events is important here. - * The playback stream must be closed before the recording stream. If the - * recording stream were to be closed first the playback stream's - * callback may attempt to read from the recording stream - * which would cause the app to crash since the recording stream would be - * null. - */ - mDuplexStream->stop(); - closeStream(mPlayStream); - closeStream(mRecordingStream); - mDuplexStream.reset(); -} - -oboe::Result LiveEffectEngine::openStreams() { - // Note: The order of stream creation is important. We create the playback - // stream first, then use properties from the playback stream - // (e.g. sample rate) to create the recording stream. By matching the - // properties we should get the lowest latency path - oboe::AudioStreamBuilder inBuilder, outBuilder; - setupPlaybackStreamParameters(&outBuilder); - oboe::Result result = outBuilder.openStream(mPlayStream); - if (result != oboe::Result::OK) { - LOGE("Failed to open output stream. Error %s", oboe::convertToText(result)); - mSampleRate = oboe::kUnspecified; - return result; - } else { - // The input stream needs to run at the same sample rate as the output. - mSampleRate = mPlayStream->getSampleRate(); - } - warnIfNotLowLatency(mPlayStream); - - setupRecordingStreamParameters(&inBuilder, mSampleRate); - result = inBuilder.openStream(mRecordingStream); - if (result != oboe::Result::OK) { - LOGE("Failed to open input stream. Error %s", oboe::convertToText(result)); - closeStream(mPlayStream); - return result; - } - warnIfNotLowLatency(mRecordingStream); - - mDuplexStream = std::make_unique<FullDuplexPass>(); - mDuplexStream->setSharedInputStream(mRecordingStream); - mDuplexStream->setSharedOutputStream(mPlayStream); - mDuplexStream->start(); - return result; -} - -/** - * Sets the stream parameters which are specific to recording, - * including the sample rate which is determined from the - * playback stream. - * - * @param builder The recording stream builder - * @param sampleRate The desired sample rate of the recording stream - */ -oboe::AudioStreamBuilder *LiveEffectEngine::setupRecordingStreamParameters( - oboe::AudioStreamBuilder *builder, int32_t sampleRate) { - // This sample uses blocking read() because we don't specify a callback - builder->setDeviceId(mRecordingDeviceId) - ->setDirection(oboe::Direction::Input) - ->setSampleRate(sampleRate) - ->setChannelCount(mInputChannelCount); - return setupCommonStreamParameters(builder); -} - -/** - * Sets the stream parameters which are specific to playback, including device - * id and the dataCallback function, which must be set for low latency - * playback. - * @param builder The playback stream builder - */ -oboe::AudioStreamBuilder *LiveEffectEngine::setupPlaybackStreamParameters( - oboe::AudioStreamBuilder *builder) { - builder->setDataCallback(this) - ->setErrorCallback(this) - ->setDeviceId(mPlaybackDeviceId) - ->setDirection(oboe::Direction::Output) - ->setChannelCount(mOutputChannelCount); - - return setupCommonStreamParameters(builder); -} - -/** - * Set the stream parameters which are common to both recording and playback - * streams. - * @param builder The playback or recording stream builder - */ -oboe::AudioStreamBuilder *LiveEffectEngine::setupCommonStreamParameters( - oboe::AudioStreamBuilder *builder) { - // We request EXCLUSIVE mode since this will give us the lowest possible - // latency. - // If EXCLUSIVE mode isn't available the builder will fall back to SHARED - // mode. - builder->setAudioApi(mAudioApi) - ->setFormat(mFormat) - ->setFormatConversionAllowed(true) - ->setSharingMode(oboe::SharingMode::Exclusive) - ->setPerformanceMode(oboe::PerformanceMode::LowLatency); - return builder; -} - -/** - * Close the stream. AudioStream::close() is a blocking call so - * the application does not need to add synchronization between - * onAudioReady() function and the thread calling close(). - * [the closing thread is the UI thread in this sample]. - * @param stream the stream to close - */ -void LiveEffectEngine::closeStream(std::shared_ptr<oboe::AudioStream> &stream) { - if (stream) { - oboe::Result result = stream->stop(); - if (result != oboe::Result::OK) { - LOGW("Error stopping stream: %s", oboe::convertToText(result)); - } - result = stream->close(); - if (result != oboe::Result::OK) { - LOGE("Error closing stream: %s", oboe::convertToText(result)); - } else { - LOGW("Successfully closed streams"); - } - stream.reset(); - } -} - -/** - * Warn in logcat if non-low latency stream is created - * @param stream: newly created stream - * - */ -void LiveEffectEngine::warnIfNotLowLatency(std::shared_ptr<oboe::AudioStream> &stream) { - if (stream->getPerformanceMode() != oboe::PerformanceMode::LowLatency) { - LOGW( - "Stream is NOT low latency." - "Check your requested format, sample rate and channel count"); - } -} - -/** - * Handles playback stream's audio request. In this sample, we simply block-read - * from the record stream for the required samples. - * - * @param oboeStream: the playback stream that requesting additional samples - * @param audioData: the buffer to load audio samples for playback stream - * @param numFrames: number of frames to load to audioData buffer - * @return: DataCallbackResult::Continue. - */ -oboe::DataCallbackResult LiveEffectEngine::onAudioReady( - oboe::AudioStream *oboeStream, void *audioData, int32_t numFrames) { - return mDuplexStream->onAudioReady(oboeStream, audioData, numFrames); -} - -/** - * Oboe notifies the application for "about to close the stream". - * - * @param oboeStream: the stream to close - * @param error: oboe's reason for closing the stream - */ -void LiveEffectEngine::onErrorBeforeClose(oboe::AudioStream *oboeStream, - oboe::Result error) { - LOGE("%s stream Error before close: %s", - oboe::convertToText(oboeStream->getDirection()), - oboe::convertToText(error)); -} - -/** - * Oboe notifies application that "the stream is closed" - * - * @param oboeStream - * @param error - */ -void LiveEffectEngine::onErrorAfterClose(oboe::AudioStream *oboeStream, - oboe::Result error) { - LOGE("%s stream Error after close: %s", - oboe::convertToText(oboeStream->getDirection()), - oboe::convertToText(error)); - - closeStreams(); - - // Restart the stream if the error is a disconnect. - if (error == oboe::Result::ErrorDisconnected) { - LOGI("Restarting AudioStream"); - openStreams(); - } -} diff --git a/externals/oboe/samples/LiveEffect/src/main/cpp/LiveEffectEngine.h b/externals/oboe/samples/LiveEffect/src/main/cpp/LiveEffectEngine.h deleted file mode 100644 index faea3b07d9..0000000000 --- a/externals/oboe/samples/LiveEffect/src/main/cpp/LiveEffectEngine.h +++ /dev/null @@ -1,83 +0,0 @@ -/* - * Copyright 2018 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#ifndef OBOE_LIVEEFFECTENGINE_H -#define OBOE_LIVEEFFECTENGINE_H - -#include <jni.h> -#include <oboe/Oboe.h> -#include <string> -#include <thread> -#include "FullDuplexPass.h" - -class LiveEffectEngine : public oboe::AudioStreamCallback { -public: - LiveEffectEngine(); - - void setRecordingDeviceId(int32_t deviceId); - void setPlaybackDeviceId(int32_t deviceId); - - /** - * @param isOn - * @return true if it succeeds - */ - bool setEffectOn(bool isOn); - - /* - * oboe::AudioStreamDataCallback interface implementation - */ - oboe::DataCallbackResult onAudioReady(oboe::AudioStream *oboeStream, - void *audioData, int32_t numFrames) override; - - /* - * oboe::AudioStreamErrorCallback interface implementation - */ - void onErrorBeforeClose(oboe::AudioStream *oboeStream, oboe::Result error) override; - void onErrorAfterClose(oboe::AudioStream *oboeStream, oboe::Result error) override; - - bool setAudioApi(oboe::AudioApi); - bool isAAudioRecommended(void); - -private: - bool mIsEffectOn = false; - int32_t mRecordingDeviceId = oboe::kUnspecified; - int32_t mPlaybackDeviceId = oboe::kUnspecified; - const oboe::AudioFormat mFormat = oboe::AudioFormat::Float; // for easier processing - oboe::AudioApi mAudioApi = oboe::AudioApi::AAudio; - int32_t mSampleRate = oboe::kUnspecified; - const int32_t mInputChannelCount = oboe::ChannelCount::Stereo; - const int32_t mOutputChannelCount = oboe::ChannelCount::Stereo; - - std::unique_ptr<FullDuplexPass> mDuplexStream; - std::shared_ptr<oboe::AudioStream> mRecordingStream; - std::shared_ptr<oboe::AudioStream> mPlayStream; - - oboe::Result openStreams(); - - void closeStreams(); - - void closeStream(std::shared_ptr<oboe::AudioStream> &stream); - - oboe::AudioStreamBuilder *setupCommonStreamParameters( - oboe::AudioStreamBuilder *builder); - oboe::AudioStreamBuilder *setupRecordingStreamParameters( - oboe::AudioStreamBuilder *builder, int32_t sampleRate); - oboe::AudioStreamBuilder *setupPlaybackStreamParameters( - oboe::AudioStreamBuilder *builder); - void warnIfNotLowLatency(std::shared_ptr<oboe::AudioStream> &stream); -}; - -#endif // OBOE_LIVEEFFECTENGINE_H diff --git a/externals/oboe/samples/LiveEffect/src/main/cpp/jni_bridge.cpp b/externals/oboe/samples/LiveEffect/src/main/cpp/jni_bridge.cpp deleted file mode 100644 index ad9172e809..0000000000 --- a/externals/oboe/samples/LiveEffect/src/main/cpp/jni_bridge.cpp +++ /dev/null @@ -1,134 +0,0 @@ -/** - * Copyright 2018 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include <jni.h> -#include <logging_macros.h> -#include "LiveEffectEngine.h" - -static const int kOboeApiAAudio = 0; -static const int kOboeApiOpenSLES = 1; - -static LiveEffectEngine *engine = nullptr; - -extern "C" { - -JNIEXPORT jboolean JNICALL -Java_com_google_oboe_samples_liveEffect_LiveEffectEngine_create(JNIEnv *env, - jclass) { - if (engine == nullptr) { - engine = new LiveEffectEngine(); - } - - return (engine != nullptr) ? JNI_TRUE : JNI_FALSE; -} - -JNIEXPORT void JNICALL -Java_com_google_oboe_samples_liveEffect_LiveEffectEngine_delete(JNIEnv *env, - jclass) { - if (engine) { - engine->setEffectOn(false); - delete engine; - engine = nullptr; - } -} - -JNIEXPORT jboolean JNICALL -Java_com_google_oboe_samples_liveEffect_LiveEffectEngine_setEffectOn( - JNIEnv *env, jclass, jboolean isEffectOn) { - if (engine == nullptr) { - LOGE( - "Engine is null, you must call createEngine before calling this " - "method"); - return JNI_FALSE; - } - - return engine->setEffectOn(isEffectOn) ? JNI_TRUE : JNI_FALSE; -} - -JNIEXPORT void JNICALL -Java_com_google_oboe_samples_liveEffect_LiveEffectEngine_setRecordingDeviceId( - JNIEnv *env, jclass, jint deviceId) { - if (engine == nullptr) { - LOGE( - "Engine is null, you must call createEngine before calling this " - "method"); - return; - } - - engine->setRecordingDeviceId(deviceId); -} - -JNIEXPORT void JNICALL -Java_com_google_oboe_samples_liveEffect_LiveEffectEngine_setPlaybackDeviceId( - JNIEnv *env, jclass, jint deviceId) { - if (engine == nullptr) { - LOGE( - "Engine is null, you must call createEngine before calling this " - "method"); - return; - } - - engine->setPlaybackDeviceId(deviceId); -} - -JNIEXPORT jboolean JNICALL -Java_com_google_oboe_samples_liveEffect_LiveEffectEngine_setAPI(JNIEnv *env, - jclass type, - jint apiType) { - if (engine == nullptr) { - LOGE( - "Engine is null, you must call createEngine " - "before calling this method"); - return JNI_FALSE; - } - - oboe::AudioApi audioApi; - switch (apiType) { - case kOboeApiAAudio: - audioApi = oboe::AudioApi::AAudio; - break; - case kOboeApiOpenSLES: - audioApi = oboe::AudioApi::OpenSLES; - break; - default: - LOGE("Unknown API selection to setAPI() %d", apiType); - return JNI_FALSE; - } - - return engine->setAudioApi(audioApi) ? JNI_TRUE : JNI_FALSE; -} - -JNIEXPORT jboolean JNICALL -Java_com_google_oboe_samples_liveEffect_LiveEffectEngine_isAAudioRecommended( - JNIEnv *env, jclass type) { - if (engine == nullptr) { - LOGE( - "Engine is null, you must call createEngine " - "before calling this method"); - return JNI_FALSE; - } - return engine->isAAudioRecommended() ? JNI_TRUE : JNI_FALSE; -} - -JNIEXPORT void JNICALL -Java_com_google_oboe_samples_liveEffect_LiveEffectEngine_native_1setDefaultStreamValues(JNIEnv *env, - jclass type, - jint sampleRate, - jint framesPerBurst) { - oboe::DefaultStreamValues::SampleRate = (int32_t) sampleRate; - oboe::DefaultStreamValues::FramesPerBurst = (int32_t) framesPerBurst; -} -} // extern "C" diff --git a/externals/oboe/samples/LiveEffect/src/main/cpp/ndk-stl-config.cmake b/externals/oboe/samples/LiveEffect/src/main/cpp/ndk-stl-config.cmake deleted file mode 100644 index 72f0f8d4d4..0000000000 --- a/externals/oboe/samples/LiveEffect/src/main/cpp/ndk-stl-config.cmake +++ /dev/null @@ -1,40 +0,0 @@ -# Copy shared STL files to Android Studio output directory so they can be -# packaged in the APK. -# Usage: -# -# find_package(ndk-stl REQUIRED) -# -# or -# -# find_package(ndk-stl REQUIRED PATHS ".") - -if(NOT ${ANDROID_STL} MATCHES "_shared") - return() -endif() - -function(configure_shared_stl lib_path so_base) - message("Configuring STL ${so_base} for ${ANDROID_ABI}") - configure_file( - "${ANDROID_NDK}/sources/cxx-stl/${lib_path}/libs/${ANDROID_ABI}/lib${so_base}.so" - "${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/lib${so_base}.so" - COPYONLY) -endfunction() - -if("${ANDROID_STL}" STREQUAL "libstdc++") - # The default minimal system C++ runtime library. -elseif("${ANDROID_STL}" STREQUAL "gabi++_shared") - # The GAbi++ runtime (shared). - message(FATAL_ERROR "gabi++_shared was not configured by ndk-stl package") -elseif("${ANDROID_STL}" STREQUAL "stlport_shared") - # The STLport runtime (shared). - configure_shared_stl("stlport" "stlport_shared") -elseif("${ANDROID_STL}" STREQUAL "gnustl_shared") - # The GNU STL (shared). - configure_shared_stl("gnu-libstdc++/4.9" "gnustl_shared") -elseif("${ANDROID_STL}" STREQUAL "c++_shared") - # The LLVM libc++ runtime (shared). - configure_shared_stl("llvm-libc++" "c++_shared") -else() - message(FATAL_ERROR "STL configuration ANDROID_STL=${ANDROID_STL} is not supported") -endif() - |