Home | History | Annotate | Download | only in audio_loopback
      1 /*
      2  * Copyright (C) 2015 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #include <android/log.h>
     18 #include "sles.h"
     19 #include "jni_sles.h"
     20 #include <stdio.h>
     21 #include <stddef.h>
     22 
     23 /////
     24 JNIEXPORT jlong JNICALL Java_com_android_cts_verifier_audio_NativeAudioThread_slesInit
     25   (JNIEnv *env __unused, jobject obj __unused, jint samplingRate, jint frameCount, jint micSource) {
     26 
     27     sles_data * pSles = NULL;
     28 
     29     if (slesInit(&pSles, samplingRate, frameCount, micSource) != SLES_FAIL) {
     30 
     31         return (long)pSles;
     32     }
     33     // FIXME This should be stored as a (long) field in the object,
     34     //       so that incorrect Java code could not synthesize a bad sles pointer.
     35     return 0;
     36 }
     37 
     38 JNIEXPORT jint JNICALL Java_com_android_cts_verifier_audio_NativeAudioThread_slesProcessNext
     39   (JNIEnv *env __unused, jobject obj __unused, jlong sles, jdoubleArray samplesArray,
     40           jlong offset) {
     41     sles_data * pSles= (sles_data*) ((long)sles);
     42 
     43     long maxSamples = (*env)->GetArrayLength(env, samplesArray);
     44     double *pSamples = (*env)->GetDoubleArrayElements(env, samplesArray,0);
     45 
     46     long availableSamples = maxSamples-offset;
     47     double *pCurrentSample = pSamples+offset;
     48 
     49     SLES_PRINTF("jni slesProcessNext pSles:%p, currentSample %p, availableSamples %ld ", pSles,
     50             pCurrentSample, availableSamples);
     51 
     52     int samplesRead = slesProcessNext(pSles, pCurrentSample, availableSamples);
     53 
     54     return samplesRead;
     55 }
     56 
     57 JNIEXPORT jint JNICALL Java_com_android_cts_verifier_audio_NativeAudioThread_slesDestroy
     58   (JNIEnv *env __unused, jobject obj __unused, jlong sles) {
     59     sles_data * pSles= (sles_data*) ((long) sles);
     60 
     61     int status = slesDestroy(&pSles);
     62 
     63     return status;
     64 }
     65