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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.
*/
#ifndef ANDROID_MEDIA_DEVICE_CALLBACK_H
#define ANDROID_MEDIA_DEVICE_CALLBACK_H
#include <system/audio.h>
#include <media/AudioSystem.h>
namespace android {
// keep in sync with AudioSystem.java
#define AUDIO_NATIVE_EVENT_ROUTING_CHANGE 1000
class JNIDeviceCallback: public AudioSystem::AudioDeviceCallback
{
public:
JNIDeviceCallback(JNIEnv* env, jobject thiz, jobject weak_thiz, jmethodID postEventFromNative);
~JNIDeviceCallback();
virtual void onAudioDeviceUpdate(audio_io_handle_t audioIo,
audio_port_handle_t deviceId);
private:
void sendEvent(int event);
jclass mClass; // Reference to AudioTrack/AudioRecord class
jobject mObject; // Weak ref to AudioTrack/AudioRecord Java object to call on
jmethodID mPostEventFromNative; // postEventFromNative method ID.
};
}; // namespace android
#endif // ANDROID_MEDIA_DEVICE_CALLBACK_H
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