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 #include <vector> 21 22 #include <utils/RefBase.h> 23 #include <binder/IInterface.h> 24 #include <system/audio.h> 25 #include <system/audio_effect.h> 26 #include <media/AudioPolicy.h> 27 #include <media/AudioVolumeGroup.h> 28 29 namespace android { 30 31 // ---------------------------------------------------------------------------- 32 33 struct record_client_info { 34 audio_unique_id_t riid; 35 uid_t uid; 36 audio_session_t session; 37 audio_source_t source; 38 audio_port_handle_t port_id; 39 bool silenced; 40 }; 41 42 typedef struct record_client_info record_client_info_t; 43 44 // ---------------------------------------------------------------------------- 45 46 class IAudioPolicyServiceClient : public IInterface 47 { 48 public: 49 DECLARE_META_INTERFACE(AudioPolicyServiceClient); 50 51 // Notifies a change of volume group 52 virtual void onAudioVolumeGroupChanged(volume_group_t group, int flags) = 0; 53 // Notifies a change of audio port configuration. 54 virtual void onAudioPortListUpdate() = 0; 55 // Notifies a change of audio patch configuration. 56 virtual void onAudioPatchListUpdate() = 0; 57 // Notifies a change in the mixing state of a specific mix in a dynamic audio policy 58 virtual void onDynamicPolicyMixStateUpdate(String8 regId, int32_t state) = 0; 59 // Notifies a change of audio recording configuration 60 virtual void onRecordingConfigurationUpdate(int event, 61 const record_client_info_t *clientInfo, 62 const audio_config_base_t *clientConfig, 63 std::vector<effect_descriptor_t> clientEffects, 64 const audio_config_base_t *deviceConfig, 65 std::vector<effect_descriptor_t> effects, 66 audio_patch_handle_t patchHandle, 67 audio_source_t source) = 0; 68 }; 69 70 71 // ---------------------------------------------------------------------------- 72 73 class BnAudioPolicyServiceClient : public BnInterface<IAudioPolicyServiceClient> 74 { 75 public: 76 virtual status_t onTransact( uint32_t code, 77 const Parcel& data, 78 Parcel* reply, 79 uint32_t flags = 0); 80 }; 81 82 // ---------------------------------------------------------------------------- 83 84 }; // namespace android 85 86 #endif // ANDROID_IAUDIOPOLICYSERVICECLIENT_H 87