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mirror of https://github.com/danog/libtgvoip.git synced 2024-12-03 10:07:45 +01:00
libtgvoip/os/android/AudioOutputAndroid.cpp
2017-03-30 17:06:59 +03:00

123 lines
2.8 KiB
C++

//
// libtgvoip is free and unencumbered public domain software.
// For more information, see http://unlicense.org or the UNLICENSE file
// you should have received with this source code distribution.
//
#include "AudioOutputAndroid.h"
#include <stdio.h>
#include "../../logging.h"
extern JavaVM* sharedJVM;
jmethodID CAudioOutputAndroid::initMethod=NULL;
jmethodID CAudioOutputAndroid::releaseMethod=NULL;
jmethodID CAudioOutputAndroid::startMethod=NULL;
jmethodID CAudioOutputAndroid::stopMethod=NULL;
jclass CAudioOutputAndroid::jniClass=NULL;
CAudioOutputAndroid::CAudioOutputAndroid(){
JNIEnv* env=NULL;
bool didAttach=false;
sharedJVM->GetEnv((void**) &env, JNI_VERSION_1_6);
if(!env){
sharedJVM->AttachCurrentThread(&env, NULL);
didAttach=true;
}
jmethodID ctor=env->GetMethodID(jniClass, "<init>", "(J)V");
jobject obj=env->NewObject(jniClass, ctor, (jlong)(intptr_t)this);
javaObject=env->NewGlobalRef(obj);
if(didAttach){
sharedJVM->DetachCurrentThread();
}
running=false;
}
CAudioOutputAndroid::~CAudioOutputAndroid(){
JNIEnv* env=NULL;
bool didAttach=false;
sharedJVM->GetEnv((void**) &env, JNI_VERSION_1_6);
if(!env){
sharedJVM->AttachCurrentThread(&env, NULL);
didAttach=true;
}
env->CallVoidMethod(javaObject, releaseMethod);
env->DeleteGlobalRef(javaObject);
javaObject=NULL;
if(didAttach){
sharedJVM->DetachCurrentThread();
}
}
void CAudioOutputAndroid::Configure(uint32_t sampleRate, uint32_t bitsPerSample, uint32_t channels){
JNIEnv* env=NULL;
bool didAttach=false;
sharedJVM->GetEnv((void**) &env, JNI_VERSION_1_6);
if(!env){
sharedJVM->AttachCurrentThread(&env, NULL);
didAttach=true;
}
env->CallVoidMethod(javaObject, initMethod, sampleRate, bitsPerSample, channels, 960*2);
if(didAttach){
sharedJVM->DetachCurrentThread();
}
}
void CAudioOutputAndroid::Start(){
JNIEnv* env=NULL;
bool didAttach=false;
sharedJVM->GetEnv((void**) &env, JNI_VERSION_1_6);
if(!env){
sharedJVM->AttachCurrentThread(&env, NULL);
didAttach=true;
}
env->CallVoidMethod(javaObject, startMethod);
if(didAttach){
sharedJVM->DetachCurrentThread();
}
running=true;
}
void CAudioOutputAndroid::Stop(){
running=false;
JNIEnv* env=NULL;
bool didAttach=false;
sharedJVM->GetEnv((void**) &env, JNI_VERSION_1_6);
if(!env){
sharedJVM->AttachCurrentThread(&env, NULL);
didAttach=true;
}
env->CallVoidMethod(javaObject, stopMethod);
if(didAttach){
sharedJVM->DetachCurrentThread();
}
}
void CAudioOutputAndroid::HandleCallback(JNIEnv* env, jbyteArray buffer){
if(!running)
return;
unsigned char* buf=(unsigned char*) env->GetByteArrayElements(buffer, NULL);
size_t len=(size_t) env->GetArrayLength(buffer);
InvokeCallback(buf, len);
env->ReleaseByteArrayElements(buffer, (jbyte *) buf, 0);
}
bool CAudioOutputAndroid::IsPlaying(){
return false;
}
float CAudioOutputAndroid::GetLevel(){
return 0;
}