/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_MEDIA_DEVICE_CALLBACK_H
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#define ANDROID_MEDIA_DEVICE_CALLBACK_H
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#include <system/audio.h>
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#include <media/AudioSystem.h>
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namespace android {
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// keep in sync with AudioSystem.java
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#define AUDIO_NATIVE_EVENT_ROUTING_CHANGE 1000
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class JNIDeviceCallback: public AudioSystem::AudioDeviceCallback
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{
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public:
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JNIDeviceCallback(JNIEnv* env, jobject thiz, jobject weak_thiz, jmethodID postEventFromNative);
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~JNIDeviceCallback();
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virtual void onAudioDeviceUpdate(audio_io_handle_t audioIo,
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audio_port_handle_t deviceId);
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private:
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void sendEvent(int event);
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jclass mClass; // Reference to AudioTrack/AudioRecord class
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jobject mObject; // Weak ref to AudioTrack/AudioRecord Java object to call on
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jmethodID mPostEventFromNative; // postEventFromNative method ID.
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};
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}; // namespace android
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#endif // ANDROID_MEDIA_DEVICE_CALLBACK_H
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