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      1 /*
      2  * Copyright (C) 2009 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 #ifndef ANDROID_IAUDIOPOLICYSERVICECLIENT_H
     18 #define ANDROID_IAUDIOPOLICYSERVICECLIENT_H
     19 
     20 
     21 #include <utils/RefBase.h>
     22 #include <binder/IInterface.h>
     23 #include <system/audio.h>
     24 
     25 namespace android {
     26 
     27 // ----------------------------------------------------------------------------
     28 
     29 struct record_client_info {
     30     uid_t uid;
     31     audio_session_t session;
     32     audio_source_t source;
     33 };
     34 
     35 typedef struct record_client_info record_client_info_t;
     36 
     37 // ----------------------------------------------------------------------------
     38 
     39 class IAudioPolicyServiceClient : public IInterface
     40 {
     41 public:
     42     DECLARE_META_INTERFACE(AudioPolicyServiceClient);
     43 
     44     // Notifies a change of audio port configuration.
     45     virtual void onAudioPortListUpdate() = 0;
     46     // Notifies a change of audio patch configuration.
     47     virtual void onAudioPatchListUpdate() = 0;
     48     // Notifies a change in the mixing state of a specific mix in a dynamic audio policy
     49     virtual void onDynamicPolicyMixStateUpdate(String8 regId, int32_t state) = 0;
     50     // Notifies a change of audio recording configuration
     51     virtual void onRecordingConfigurationUpdate(int event,
     52             const record_client_info_t *clientInfo,
     53             const audio_config_base_t *clientConfig,
     54             const audio_config_base_t *deviceConfig,
     55             audio_patch_handle_t patchHandle) = 0;
     56 };
     57 
     58 
     59 // ----------------------------------------------------------------------------
     60 
     61 class BnAudioPolicyServiceClient : public BnInterface<IAudioPolicyServiceClient>
     62 {
     63 public:
     64     virtual status_t    onTransact( uint32_t code,
     65                                     const Parcel& data,
     66                                     Parcel* reply,
     67                                     uint32_t flags = 0);
     68 };
     69 
     70 // ----------------------------------------------------------------------------
     71 
     72 }; // namespace android
     73 
     74 #endif // ANDROID_IAUDIOPOLICYSERVICECLIENT_H
     75