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/*
* Copyright (C) 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.
*/
#include <android/log.h>
#include "sles.h"
#include "jni_sles.h"
#include <stdio.h>
JNIEXPORT jlong JNICALL Java_org_drrickorang_loopback_NativeAudioThread_slesInit
(JNIEnv *env, jobject obj __unused, jint samplingRate, jint frameCount, jint micSource,
jint testType, jdouble frequency1, jobject byteBuffer, jshortArray loopbackTone,
jint maxRecordedLateCallbacks, jint ignoreFirstFrames) {
sles_data * pSles = NULL;
char* byteBufferPtr = (*env)->GetDirectBufferAddress(env, byteBuffer);
int byteBufferLength = (*env)->GetDirectBufferCapacity(env, byteBuffer);
short* loopbackToneArray = (*env)->GetShortArrayElements(env, loopbackTone, 0);
if (slesInit(&pSles, samplingRate, frameCount, micSource,
testType, frequency1, byteBufferPtr, byteBufferLength,
loopbackToneArray, maxRecordedLateCallbacks, ignoreFirstFrames) != SLES_FAIL) {
return (long) pSles;
}
// FIXME This should be stored as a (long) field in the object,
// so that incorrect Java code could not synthesize a bad sles pointer.
return 0;
}
JNIEXPORT jint JNICALL Java_org_drrickorang_loopback_NativeAudioThread_slesProcessNext
(JNIEnv *env __unused, jobject obj __unused, jlong sles, jdoubleArray samplesArray, jlong offset) {
sles_data * pSles = (sles_data*) (size_t) sles;
long maxSamples = (*env)->GetArrayLength(env, samplesArray);
double *pSamples = (*env)->GetDoubleArrayElements(env, samplesArray, 0);
long availableSamples = maxSamples-offset;
double *pCurrentSample = pSamples+offset;
SLES_PRINTF("jni slesProcessNext pSles:%p, currentSample %p, availableSamples %ld ",
pSles, pCurrentSample, availableSamples);
int samplesRead = slesProcessNext(pSles, pCurrentSample, availableSamples);
return samplesRead;
}
JNIEXPORT jint JNICALL Java_org_drrickorang_loopback_NativeAudioThread_slesDestroy
(JNIEnv *env __unused, jobject obj __unused, jlong sles) {
sles_data * pSles = (sles_data*) (size_t) sles;
int status = slesDestroy(&pSles);
return status;
}
JNIEXPORT jintArray JNICALL
Java_org_drrickorang_loopback_NativeAudioThread_slesGetRecorderBufferPeriod
(JNIEnv *env, jobject obj __unused, jlong sles) {
sles_data * pSles = (sles_data*) (size_t) sles;
int* recorderBufferPeriod = slesGetRecorderBufferPeriod(pSles);
// get the length = RANGE
jintArray result = (*env)->NewIntArray(env, RANGE);
(*env)->SetIntArrayRegion(env, result, 0, RANGE, recorderBufferPeriod);
return result;
}
JNIEXPORT jint JNICALL
Java_org_drrickorang_loopback_NativeAudioThread_slesGetRecorderMaxBufferPeriod
(JNIEnv *env __unused, jobject obj __unused, jlong sles) {
sles_data * pSles = (sles_data*) (size_t) sles;
int recorderMaxBufferPeriod = slesGetRecorderMaxBufferPeriod(pSles);
return recorderMaxBufferPeriod;
}
JNIEXPORT jdouble JNICALL
Java_org_drrickorang_loopback_NativeAudioThread_slesGetRecorderVarianceBufferPeriod
(JNIEnv *env __unused, jobject obj __unused, jlong sles) {
sles_data *pSles = (sles_data *) (size_t) sles;
int64_t result = slesGetRecorderVarianceBufferPeriod(pSles);
// variance has units ns^2 so we have to square the conversion factor
double scaled = (double) result / ((double) NANOS_PER_MILLI * (double) NANOS_PER_MILLI);
return scaled;
}
JNIEXPORT jintArray
JNICALL Java_org_drrickorang_loopback_NativeAudioThread_slesGetPlayerBufferPeriod
(JNIEnv *env __unused, jobject obj __unused, jlong sles) {
sles_data * pSles = (sles_data*) (size_t) sles;
int* playerBufferPeriod = slesGetPlayerBufferPeriod(pSles);
jintArray result = (*env)->NewIntArray(env, RANGE);
(*env)->SetIntArrayRegion(env, result, 0, RANGE, playerBufferPeriod);
return result;
}
JNIEXPORT jint JNICALL
Java_org_drrickorang_loopback_NativeAudioThread_slesGetPlayerMaxBufferPeriod
(JNIEnv *env __unused, jobject obj __unused, jlong sles) {
sles_data * pSles = (sles_data*) (size_t) sles;
int playerMaxBufferPeriod = slesGetPlayerMaxBufferPeriod(pSles);
return playerMaxBufferPeriod;
}
JNIEXPORT jdouble JNICALL
Java_org_drrickorang_loopback_NativeAudioThread_slesGetPlayerVarianceBufferPeriod
(JNIEnv *env __unused, jobject obj __unused, jlong sles) {
sles_data *pSles = (sles_data *) (size_t) sles;
int64_t result = slesGetPlayerVarianceBufferPeriod(pSles);
// variance has units ns^2 so we have to square the conversion factor
double scaled = (double) result / ((double) NANOS_PER_MILLI * (double) NANOS_PER_MILLI);
return scaled;
}
jobject getCallbackTimes(JNIEnv *env, callbackTimeStamps *callbacks, short expectedBufferPeriod){
jintArray timeStamps = (*env)->NewIntArray(env, callbacks->index);
(*env)->SetIntArrayRegion(env, timeStamps, 0, callbacks->index, callbacks->timeStampsMs);
jshortArray callbackLengths = (*env)->NewShortArray(env, callbacks->index);
(*env)->SetShortArrayRegion(env, callbackLengths, 0, callbacks->index,
callbacks->callbackDurations);
jclass cls = (*env)->FindClass(env, "org/drrickorang/loopback/BufferCallbackTimes");
jmethodID methodID = (*env)->GetMethodID(env, cls, "<init>", "([I[SZS)V");
jobject callbackTimes=(*env)->NewObject(env,cls, methodID, timeStamps, callbackLengths,
callbacks->exceededCapacity, expectedBufferPeriod);
return callbackTimes;
}
JNIEXPORT jobject
JNICALL Java_org_drrickorang_loopback_NativeAudioThread_slesGetPlayerCallbackTimeStamps
(JNIEnv *env, jobject obj __unused, jlong sles) {
sles_data * pSles = (sles_data*) (size_t) sles;
return getCallbackTimes(env, &(pSles->playerTimeStamps), pSles->expectedBufferPeriod);
}
JNIEXPORT jobject
JNICALL Java_org_drrickorang_loopback_NativeAudioThread_slesGetRecorderCallbackTimeStamps
(JNIEnv *env, jobject obj __unused, jlong sles) {
sles_data * pSles = (sles_data*) (size_t) sles;
return getCallbackTimes(env, &(pSles->recorderTimeStamps), pSles->expectedBufferPeriod);
}
JNIEXPORT jint
JNICALL Java_org_drrickorang_loopback_NativeAudioThread_slesGetCaptureRank
(JNIEnv *env __unused, jobject obj __unused, jlong sles) {
sles_data * pSles = (sles_data*) (size_t) sles;
return slesGetCaptureRank(pSles);
}
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