| /* |
| * 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 |