diff options
Diffstat (limited to 'externals/oboe/samples/minimaloboe/src/main/cpp')
4 files changed, 0 insertions, 282 deletions
diff --git a/externals/oboe/samples/minimaloboe/src/main/cpp/CMakeLists.txt b/externals/oboe/samples/minimaloboe/src/main/cpp/CMakeLists.txt deleted file mode 100644 index 027b27bced..0000000000 --- a/externals/oboe/samples/minimaloboe/src/main/cpp/CMakeLists.txt +++ /dev/null @@ -1,53 +0,0 @@ -# -# Copyright 2022 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) - -# Set the path to the Oboe library directory -set (OBOE_DIR ../../../../../) -#message("OBOE_DIR = " + ${OBOE_DIR}) - -add_subdirectory(${OBOE_DIR} ./oboe-bin) - -# include folders -include_directories( - ${OBOE_DIR}/include - ${CMAKE_CURRENT_LIST_DIR} -) - -# App specific sources -set (APP_SOURCES - SimpleNoiseMaker.cpp - MinimalOboeJNI.cpp - ) - -# Build the minimaloboe (native) library -add_library(minimaloboe SHARED - ${APP_SOURCES} - ) - -# Enable optimization flags: if having problems with source level debugging, -# disable -Ofast ( and debug ), re-enable after done debugging. -target_compile_options(minimaloboe PRIVATE -Wall -Werror "$<$<CONFIG:RELEASE>:-Ofast>") - -target_link_libraries( # Specifies the target library. - minimaloboe - oboe - - # Links the target library to the log library - # included in the NDK. - log) -target_link_options(minimaloboe PRIVATE "-Wl,-z,max-page-size=16384") diff --git a/externals/oboe/samples/minimaloboe/src/main/cpp/MinimalOboeJNI.cpp b/externals/oboe/samples/minimaloboe/src/main/cpp/MinimalOboeJNI.cpp deleted file mode 100644 index 295c9efa30..0000000000 --- a/externals/oboe/samples/minimaloboe/src/main/cpp/MinimalOboeJNI.cpp +++ /dev/null @@ -1,66 +0,0 @@ -/* - * Copyright 2022 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 <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <unistd.h> - -static const char *TAG = "MinimalOboeJNI"; - -#include <android/log.h> - -#include <SimpleNoiseMaker.h> - -// JNI functions are "C" calling convention -#ifdef __cplusplus -extern "C" { -#endif - -using namespace oboe; - -// Use a static object so we don't have to worry about it getting deleted at the wrong time. -static SimpleNoiseMaker sPlayer; - -/** - * Native (JNI) implementation of AudioPlayer.startAudiostreamNative() - */ -JNIEXPORT jint JNICALL Java_com_example_minimaloboe_AudioPlayer_startAudioStreamNative( - JNIEnv * /* env */, jobject) { - __android_log_print(ANDROID_LOG_INFO, TAG, "%s", __func__); - Result result = sPlayer.open(); - if (result == Result::OK) { - result = sPlayer.start(); - } - return (jint) result; -} - -/** - * Native (JNI) implementation of AudioPlayer.stopAudioStreamNative() - */ -JNIEXPORT jint JNICALL Java_com_example_minimaloboe_AudioPlayer_stopAudioStreamNative( - JNIEnv * /* env */, jobject) { - __android_log_print(ANDROID_LOG_INFO, TAG, "%s", __func__); - // We need to close() even if the stop() fails because we need to delete the resources. - Result result1 = sPlayer.stop(); - Result result2 = sPlayer.close(); - // Return first failure code. - return (jint) ((result1 != Result::OK) ? result1 : result2); -} -#ifdef __cplusplus -} -#endif diff --git a/externals/oboe/samples/minimaloboe/src/main/cpp/SimpleNoiseMaker.cpp b/externals/oboe/samples/minimaloboe/src/main/cpp/SimpleNoiseMaker.cpp deleted file mode 100644 index 40583917b1..0000000000 --- a/externals/oboe/samples/minimaloboe/src/main/cpp/SimpleNoiseMaker.cpp +++ /dev/null @@ -1,92 +0,0 @@ -/* - * Copyright 2022 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 <stdlib.h> - -static const char *TAG = "SimpleNoiseMaker"; - -#include <android/log.h> - -#include <SimpleNoiseMaker.h> - -using namespace oboe; - -oboe::Result SimpleNoiseMaker::open() { - // Use shared_ptr to prevent use of a deleted callback. - mDataCallback = std::make_shared<MyDataCallback>(); - mErrorCallback = std::make_shared<MyErrorCallback>(this); - - AudioStreamBuilder builder; - oboe::Result result = builder.setSharingMode(oboe::SharingMode::Exclusive) - ->setPerformanceMode(oboe::PerformanceMode::LowLatency) - ->setFormat(oboe::AudioFormat::Float) - ->setChannelCount(kChannelCount) - ->setDataCallback(mDataCallback) - ->setErrorCallback(mErrorCallback) - // Open using a shared_ptr. - ->openStream(mStream); - return result; -} - -oboe::Result SimpleNoiseMaker::start() { - return mStream->requestStart(); -} - -oboe::Result SimpleNoiseMaker::stop() { - return mStream->requestStop(); -} - -oboe::Result SimpleNoiseMaker::close() { - return mStream->close(); -} - -/** - * This callback method will be called from a high priority audio thread. - * It should only do math and not do any blocking operations like - * reading or writing files, memory allocation, or networking. - * @param audioStream - * @param audioData pointer to an array of samples to be filled - * @param numFrames number of frames needed - * @return - */ -DataCallbackResult SimpleNoiseMaker::MyDataCallback::onAudioReady( - AudioStream *audioStream, - void *audioData, - int32_t numFrames) { - // We requested float when we built the stream. - float *output = (float *) audioData; - // Fill buffer with random numbers to create "white noise". - int numSamples = numFrames * kChannelCount; - for (int i = 0; i < numSamples; i++) { - // drand48() returns a random number between 0.0 and 1.0. - // Center and scale it to a reasonable value. - *output++ = (float) ((drand48() - 0.5) * 0.6); - } - return oboe::DataCallbackResult::Continue; -} - -void SimpleNoiseMaker::MyErrorCallback::onErrorAfterClose(oboe::AudioStream *oboeStream, - oboe::Result error) { - __android_log_print(ANDROID_LOG_INFO, TAG, - "%s() - error = %s", - __func__, - oboe::convertToText(error) - ); - // Try to open and start a new stream after a disconnect. - if (mParent->open() == Result::OK) { - mParent->start(); - } -} diff --git a/externals/oboe/samples/minimaloboe/src/main/cpp/SimpleNoiseMaker.h b/externals/oboe/samples/minimaloboe/src/main/cpp/SimpleNoiseMaker.h deleted file mode 100644 index 6376c0b25b..0000000000 --- a/externals/oboe/samples/minimaloboe/src/main/cpp/SimpleNoiseMaker.h +++ /dev/null @@ -1,71 +0,0 @@ -/* - * Copyright 2022 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 SIMPLE_NOISE_MAKER_H -#define SIMPLE_NOISE_MAKER_H - -#include "oboe/Oboe.h" - -/** - * Play white noise using Oboe. - */ -class SimpleNoiseMaker { -public: - - /** - * Open an Oboe stream. - * @return OK or negative error code. - */ - oboe::Result open(); - - oboe::Result start(); - - oboe::Result stop(); - - oboe::Result close(); - -private: - - class MyDataCallback : public oboe::AudioStreamDataCallback { - public: - oboe::DataCallbackResult onAudioReady( - oboe::AudioStream *audioStream, - void *audioData, - int32_t numFrames) override; - - }; - - class MyErrorCallback : public oboe::AudioStreamErrorCallback { - public: - MyErrorCallback(SimpleNoiseMaker *parent) : mParent(parent) {} - - virtual ~MyErrorCallback() { - } - - void onErrorAfterClose(oboe::AudioStream *oboeStream, oboe::Result error) override; - - private: - SimpleNoiseMaker *mParent; - }; - - std::shared_ptr<oboe::AudioStream> mStream; - std::shared_ptr<MyDataCallback> mDataCallback; - std::shared_ptr<MyErrorCallback> mErrorCallback; - - static constexpr int kChannelCount = 2; -}; - -#endif //SIMPLE_NOISE_MAKER_H |