apps/OboeTester/app/src/main/cpp/jni-bridge.cpp

/*
 * Copyright 2015 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.
 */

#define MODULE_NAME "OboeTester"

#include <cassert>
#include <cstring>
#include <jni.h>
#include <stdint.h>
#include <thread>

#include "common/OboeDebug.h"
#include "oboe/Oboe.h"

#include "NativeAudioContext.h"

NativeAudioContext engine;

/*********************************************************************************/
/**********************  JNI  Prototypes *****************************************/
/*********************************************************************************/
extern "C" {

JNIEXPORT jint JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_openNative(JNIEnv *env, jobject,
                                                       jint nativeApi,
                                                       jint sampleRate,
                                                       jint channelCount,
                                                       jint format,
                                                       jint sharingMode,
                                                       jint performanceMode,
                                                       jint deviceId,
                                                       jint sessionId,
                                                       jint framesPerBurst,
                                                       jboolean channelConversionAllowed,
                                                       jboolean formatConversionAllowed,
                                                       jint rateConversionQuality,
                                                       jboolean isInput);
JNIEXPORT void JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_close(JNIEnv *env, jobject, jint);

JNIEXPORT jint JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_setThresholdInFrames(JNIEnv *env, jobject, jint, jint);
JNIEXPORT jint JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_getThresholdInFrames(JNIEnv *env, jobject, jint);
JNIEXPORT jint JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_getBufferCapacityInFrames(JNIEnv *env, jobject, jint);
JNIEXPORT jint JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_setNativeApi(JNIEnv *env, jobject, jint, jint);

JNIEXPORT void JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_setUseCallback(JNIEnv *env, jclass type,
                                                                      jboolean useCallback);
JNIEXPORT void JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_setCallbackReturnStop(JNIEnv *env,
                                                                             jclass type,
                                                                             jboolean b);
JNIEXPORT void JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_setCallbackSize(JNIEnv *env, jclass type,
                                                            jint callbackSize);

// ================= OboeAudioOutputStream ================================

JNIEXPORT void JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioOutputStream_setToneEnabled(JNIEnv *env, jobject, jboolean);
JNIEXPORT void JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioOutputStream_setToneType(JNIEnv *env, jobject, jint);
JNIEXPORT void JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioOutputStream_setAmplitude(JNIEnv *env, jobject, jdouble);

/*********************************************************************************/
/**********************  JNI Implementations *************************************/
/*********************************************************************************/

JNIEXPORT jint JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_openNative(
        JNIEnv *env, jobject synth,
        jint nativeApi,
        jint sampleRate,
        jint channelCount,
        jint format,
        jint sharingMode,
        jint performanceMode,
        jint deviceId,
        jint sessionId,
        jint framesPerBurst,
        jboolean channelConversionAllowed,
        jboolean formatConversionAllowed,
        jint rateConversionQuality,
        jboolean isInput) {
    LOGD("OboeAudioStream_openNative: sampleRate = %d, framesPerBurst = %d", sampleRate, framesPerBurst);

    return (jint) engine.getCurrentActivity()->open(nativeApi,
                              sampleRate,
                              channelCount,
                              format,
                              sharingMode,
                              performanceMode,
                              deviceId,
                              sessionId,
                              framesPerBurst,
                              channelConversionAllowed,
                              formatConversionAllowed,
                              rateConversionQuality,
                              isInput);
}

JNIEXPORT jint JNICALL
Java_com_google_sample_oboe_manualtest_TestAudioActivity_startNative(JNIEnv *env, jobject) {
    return (jint) engine.getCurrentActivity()->start();
}

JNIEXPORT jint JNICALL
Java_com_google_sample_oboe_manualtest_TestAudioActivity_pauseNative(JNIEnv *env, jobject) {
    return (jint) engine.getCurrentActivity()->pause();
}

JNIEXPORT jint JNICALL
Java_com_google_sample_oboe_manualtest_TestAudioActivity_stopNative(JNIEnv *env, jobject) {
    return (jint) engine.getCurrentActivity()->stop();
}

JNIEXPORT jint JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_startPlaybackNative(JNIEnv *env, jobject) {
    return (jint) engine.getCurrentActivity()->startPlayback();
}

JNIEXPORT void JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_close(JNIEnv *env, jobject, jint streamIndex) {
    engine.getCurrentActivity()->close(streamIndex);
}

JNIEXPORT jint JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_setBufferSizeInFrames(
        JNIEnv *env, jobject, jint streamIndex, jint threshold) {
    oboe::AudioStream *oboeStream = engine.getCurrentActivity()->getStream(streamIndex);
    if (oboeStream != nullptr) {
        auto result = oboeStream->setBufferSizeInFrames(threshold);
        return (!result)
               ? (jint) result.error()
               : (jint) result.value();
    }
    return (jint) oboe::Result::ErrorNull;
}

JNIEXPORT jint JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_getBufferSizeInFrames(
        JNIEnv *env, jobject, jint streamIndex) {
    jint result = (jint) oboe::Result::ErrorNull;
    oboe::AudioStream *oboeStream = engine.getCurrentActivity()->getStream(streamIndex);
    if (oboeStream != nullptr) {
        result = oboeStream->getBufferSizeInFrames();
    }
    return result;
}

JNIEXPORT jint JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_getBufferCapacityInFrames(
        JNIEnv *env, jobject, jint streamIndex) {
    jint result = (jint) oboe::Result::ErrorNull;
    oboe::AudioStream *oboeStream = engine.getCurrentActivity()->getStream(streamIndex);
    if (oboeStream != nullptr) {
        result = oboeStream->getBufferCapacityInFrames();
    }
    return result;
}

static int convertAudioApiToNativeApi(oboe::AudioApi audioApi) {
    switch(audioApi) {
        case oboe::AudioApi::Unspecified:
            return NATIVE_MODE_UNSPECIFIED;
        case oboe::AudioApi::OpenSLES:
            return NATIVE_MODE_OPENSLES;
        case oboe::AudioApi::AAudio:
            return NATIVE_MODE_AAUDIO;
        default:
            return -1;
    }
}

JNIEXPORT jint JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_getNativeApi(
        JNIEnv *env, jobject, jint streamIndex) {
    jint result = (jint) oboe::Result::ErrorNull;
    oboe::AudioStream *oboeStream = engine.getCurrentActivity()->getStream(streamIndex);
    if (oboeStream != nullptr) {
        oboe::AudioApi audioApi = oboeStream->getAudioApi();
        result = convertAudioApiToNativeApi(audioApi);
        LOGD("OboeAudioStream_getNativeApi got %d", result);
    }
    return result;
}

JNIEXPORT jint JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_getSampleRate(
        JNIEnv *env, jobject, jint streamIndex) {
    jint result = (jint) oboe::Result::ErrorNull;
    oboe::AudioStream *oboeStream = engine.getCurrentActivity()->getStream(streamIndex);
    if (oboeStream != nullptr) {
        result = oboeStream->getSampleRate();
    }
    return result;
}

JNIEXPORT jint JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_getSharingMode(
        JNIEnv *env, jobject, jint streamIndex) {
    jint result = (jint) oboe::Result::ErrorNull;
    oboe::AudioStream *oboeStream = engine.getCurrentActivity()->getStream(streamIndex);
    if (oboeStream != nullptr) {
        result = (jint) oboeStream->getSharingMode();
    }
    return result;
}

JNIEXPORT jint JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_getPerformanceMode(
        JNIEnv *env, jobject, jint streamIndex) {
    jint result = (jint) oboe::Result::ErrorNull;
    oboe::AudioStream *oboeStream = engine.getCurrentActivity()->getStream(streamIndex);
    if (oboeStream != nullptr) {
        result = (jint) oboeStream->getPerformanceMode();
    }
    return result;
}

JNIEXPORT jint JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_getFramesPerBurst(
        JNIEnv *env, jobject, jint streamIndex) {
    jint result = (jint) oboe::Result::ErrorNull;
    oboe::AudioStream *oboeStream = engine.getCurrentActivity()->getStream(streamIndex);
    if (oboeStream != nullptr) {
        result = oboeStream->getFramesPerBurst();
    }
    return result;
}

JNIEXPORT jint JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_getChannelCount(
        JNIEnv *env, jobject, jint streamIndex) {
    jint result = (jint) oboe::Result::ErrorNull;
    oboe::AudioStream *oboeStream = engine.getCurrentActivity()->getStream(streamIndex);
    if (oboeStream != nullptr) {
        result = oboeStream->getChannelCount();
    }
    return result;
}

JNIEXPORT jint JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_getFormat(JNIEnv *env, jobject instance, jint streamIndex) {
        jint result = (jint) oboe::Result::ErrorNull;
    oboe::AudioStream *oboeStream = engine.getCurrentActivity()->getStream(streamIndex);
    if (oboeStream != nullptr) {
        result = (jint) oboeStream->getFormat();
    }
    return result;
}

JNIEXPORT jint JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_getDeviceId(
        JNIEnv *env, jobject, jint streamIndex) {
    jint result = (jint) oboe::Result::ErrorNull;
    oboe::AudioStream *oboeStream = engine.getCurrentActivity()->getStream(streamIndex);
    if (oboeStream != nullptr) {
        result = oboeStream->getDeviceId();
    }
    return result;
}

JNIEXPORT jint JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_getSessionId(
        JNIEnv *env, jobject, jint streamIndex) {
    jint result = (jint) oboe::Result::ErrorNull;
    oboe::AudioStream *oboeStream = engine.getCurrentActivity()->getStream(streamIndex);
    if (oboeStream != nullptr) {
        result = oboeStream->getSessionId();
    }
    return result;
}

JNIEXPORT jlong JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_getFramesWritten(
        JNIEnv *env, jobject, jint streamIndex) {
    jlong result = (jint) oboe::Result::ErrorNull;
    oboe::AudioStream *oboeStream = engine.getCurrentActivity()->getStream(streamIndex);
    if (oboeStream != nullptr) {
        result = oboeStream->getFramesWritten();
    }
    return result;
}

JNIEXPORT jlong JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_getFramesRead(
        JNIEnv *env, jobject, jint streamIndex) {
    jlong result = (jlong) oboe::Result::ErrorNull;
    oboe::AudioStream *oboeStream = engine.getCurrentActivity()->getStream(streamIndex);
    if (oboeStream != nullptr) {
        result = oboeStream->getFramesRead();
    }
    return result;
}

JNIEXPORT jint JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_getXRunCount(
        JNIEnv *env, jobject, jint streamIndex) {
    jint result = (jlong) oboe::Result::ErrorNull;
    oboe::AudioStream *oboeStream = engine.getCurrentActivity()->getStream(streamIndex);
    if (oboeStream != nullptr) {
        auto oboeResult  = oboeStream->getXRunCount();
        if (!oboeResult) {
            result = (jint) oboeResult.error();
        } else {
            result = oboeResult.value();
        }
    }
    return result;
}

JNIEXPORT jlong JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_getCallbackCount(
        JNIEnv *env, jobject) {
    return engine.getCurrentActivity()->getCallbackCount();
}

JNIEXPORT jdouble JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_getLatency(JNIEnv *env, jobject instance, jint streamIndex) {
    oboe::AudioStream *oboeStream = engine.getCurrentActivity()->getStream(streamIndex);
    if (oboeStream != nullptr) {
        auto result = oboeStream->calculateLatencyMillis();
        return (!result) ? -1.0 : result.value();
    }
    return -1.0;
}

JNIEXPORT jint JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_getState(JNIEnv *env, jobject instance, jint streamIndex) {
    oboe::AudioStream *oboeStream = engine.getCurrentActivity()->getStream(streamIndex);
    if (oboeStream != nullptr) {
        auto state = oboeStream->getState();
        if (state != oboe::StreamState::Starting && state != oboe::StreamState::Started) {
            oboe::Result result = oboeStream->waitForStateChange(
                    oboe::StreamState::Uninitialized,
                    &state, 0);
            if (result != oboe::Result::OK) state = oboe::StreamState::Unknown;
        }
        return (jint) state;
    }
    return -1;
}

JNIEXPORT jdouble JNICALL
Java_com_google_sample_oboe_manualtest_AudioInputTester_getPeakLevel(JNIEnv *env,
                                                          jobject instance,
                                                          jint index) {
    return engine.getCurrentActivity()->getPeakLevel(index);
}

JNIEXPORT void JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_setUseCallback(JNIEnv *env, jclass type,
                                                                      jboolean useCallback) {
    ActivityContext::mUseCallback = useCallback;
}

JNIEXPORT void JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_setCallbackReturnStop(JNIEnv *env, jclass type,
                                                                      jboolean b) {
    OboeStreamCallbackProxy::setCallbackReturnStop(b);
}

JNIEXPORT void JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_setCallbackSize(JNIEnv *env, jclass type,
                                                            jint callbackSize) {
    ActivityContext::callbackSize = callbackSize;
}

JNIEXPORT jboolean JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioStream_isMMap(JNIEnv *env, jobject instance, jint streamIndex) {
    return engine.getCurrentActivity()->isMMapUsed(streamIndex);
}

// ================= OboeAudioOutputStream ================================

JNIEXPORT void JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioOutputStream_setToneEnabled(
        JNIEnv *env, jobject, jboolean enabled) {
    engine.getCurrentActivity()->setEnabled(enabled);
}

JNIEXPORT void JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioOutputStream_setToneType(
        JNIEnv *env, jobject, jint toneType) {
// FIXME    engine.getCurrentActivity()->setToneType(toneType);
}

JNIEXPORT void JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioOutputStream_setAmplitude(
        JNIEnv *env, jobject, jdouble amplitude) {
    engine.getCurrentActivity()->setAmplitude(amplitude);

}

JNIEXPORT void JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioOutputStream_setChannelEnabled(
        JNIEnv *env, jobject, jint channelIndex, jboolean enabled) {
    engine.getCurrentActivity()->setChannelEnabled(channelIndex, enabled);
}

JNIEXPORT void JNICALL
Java_com_google_sample_oboe_manualtest_OboeAudioOutputStream_setSignalType(
        JNIEnv *env, jobject, jint signalType) {
    engine.getCurrentActivity()->setSignalType(signalType);
}

// ==========================================================================
JNIEXPORT void JNICALL
Java_com_google_sample_oboe_manualtest_TestAudioActivity_setActivityType(JNIEnv *env,
                                                                         jobject instance,
                                                                         jint activityType) {
    engine.setActivityType(activityType);
}

// ==========================================================================
JNIEXPORT jint JNICALL
Java_com_google_sample_oboe_manualtest_TestInputActivity_saveWaveFile(JNIEnv *env,
                                                                        jobject instance,
                                                                        jstring fileName) {
    const char *str = env->GetStringUTFChars(fileName, nullptr);
    LOGD("nativeSaveFile(%s)", str);
    jint result = engine.getCurrentActivity()->saveWaveFile(str);
    env->ReleaseStringUTFChars(fileName, str);
    return result;
}

// ==========================================================================
JNIEXPORT void JNICALL
Java_com_google_sample_oboe_manualtest_TestInputActivity_setMinimumFramesBeforeRead(JNIEnv *env,
                                                                      jobject instance,
                                                                      jint numFrames) {
    engine.getCurrentActivity()->setMinimumFramesBeforeRead(numFrames);
}

// ==========================================================================
JNIEXPORT void JNICALL
Java_com_google_sample_oboe_manualtest_EchoActivity_setDelayTime(JNIEnv *env,
                                                                         jobject instance,
                                                                         jdouble delayTimeSeconds) {
    engine.setDelayTime(delayTimeSeconds);
}

// ==========================================================================
JNIEXPORT jint JNICALL
Java_com_google_sample_oboe_manualtest_RoundTripLatencyActivity_getAnalyzerProgress(JNIEnv *env,
                                                                                    jobject instance) {
    return engine.mActivityRoundTripLatency.getLatencyAnalyzer()->getProgress();
}

JNIEXPORT jint JNICALL
Java_com_google_sample_oboe_manualtest_RoundTripLatencyActivity_getMeasuredLatency(JNIEnv *env,
                                                                                   jobject instance) {
    return engine.mActivityRoundTripLatency.getLatencyAnalyzer()->getMeasuredLatency();
}

JNIEXPORT jdouble JNICALL
Java_com_google_sample_oboe_manualtest_RoundTripLatencyActivity_getMeasuredConfidence(JNIEnv *env,
                                                                                      jobject instance) {
    return engine.mActivityRoundTripLatency.getLatencyAnalyzer()->getMeasuredConfidence();
}

JNIEXPORT jdouble JNICALL
Java_com_google_sample_oboe_manualtest_RoundTripLatencyActivity_getBackgroundRMS(JNIEnv *env,
                                                                                 jobject instance) {
    return engine.mActivityRoundTripLatency.getLatencyAnalyzer()->getBackgroundRMS();
}

JNIEXPORT jdouble JNICALL
Java_com_google_sample_oboe_manualtest_RoundTripLatencyActivity_getSignalRMS(JNIEnv *env,
                                                                                 jobject instance) {
    return engine.mActivityRoundTripLatency.getLatencyAnalyzer()->getSignalRMS();
}

JNIEXPORT jint JNICALL
Java_com_google_sample_oboe_manualtest_AnalyzerActivity_getMeasuredResult(JNIEnv *env,
                                                                          jobject instance) {
    return engine.mActivityRoundTripLatency.getLatencyAnalyzer()->getResult();
}

// ==========================================================================
JNIEXPORT jint JNICALL
Java_com_google_sample_oboe_manualtest_AnalyzerActivity_getAnalyzerState(JNIEnv *env,
                                                                         jobject instance) {
    return ((ActivityFullDuplex *)engine.getCurrentActivity())->getState();
}

JNIEXPORT jboolean JNICALL
Java_com_google_sample_oboe_manualtest_AnalyzerActivity_isAnalyzerDone(JNIEnv *env,
                                                                       jobject instance) {
    return ((ActivityFullDuplex *)engine.getCurrentActivity())->isAnalyzerDone();
}

JNIEXPORT jint JNICALL
Java_com_google_sample_oboe_manualtest_AnalyzerActivity_getResetCount(JNIEnv *env,
                                                                          jobject instance) {
    return ((ActivityFullDuplex *)engine.getCurrentActivity())->getResetCount();
}

// ==========================================================================
JNIEXPORT jint JNICALL
Java_com_google_sample_oboe_manualtest_GlitchActivity_getGlitchCount(JNIEnv *env,
                                                                     jobject instance) {
    return engine.mActivityGlitches.getGlitchAnalyzer()->getGlitchCount();
}

JNIEXPORT jint JNICALL
Java_com_google_sample_oboe_manualtest_GlitchActivity_getStateFrameCount(JNIEnv *env,
                                                                     jobject instance,
                                                                     jint state) {
    return engine.mActivityGlitches.getGlitchAnalyzer()->getStateFrameCount(state);
}

JNIEXPORT jdouble JNICALL
Java_com_google_sample_oboe_manualtest_GlitchActivity_getSignalToNoiseDB(JNIEnv *env,
                                                                         jobject instance) {
    return engine.mActivityGlitches.getGlitchAnalyzer()->getSignalToNoiseDB();
}
JNIEXPORT jdouble JNICALL
Java_com_google_sample_oboe_manualtest_GlitchActivity_getPeakAmplitude(JNIEnv *env,
                                                                         jobject instance) {
    return engine.mActivityGlitches.getGlitchAnalyzer()->getPeakAmplitude();
}

}