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_IAUDIOPOLICYSERVICE_H 18 #define ANDROID_IAUDIOPOLICYSERVICE_H 19 20 #include <stdint.h> 21 #include <sys/types.h> 22 #include <unistd.h> 23 24 #include <utils/RefBase.h> 25 #include <utils/Errors.h> 26 #include <binder/IInterface.h> 27 #include <media/AudioSystem.h> 28 29 30 namespace android { 31 32 // ---------------------------------------------------------------------------- 33 34 class IAudioPolicyService : public IInterface 35 { 36 public: 37 DECLARE_META_INTERFACE(AudioPolicyService); 38 39 // 40 // IAudioPolicyService interface (see AudioPolicyInterface for method descriptions) 41 // 42 virtual status_t setDeviceConnectionState(AudioSystem::audio_devices device, 43 AudioSystem::device_connection_state state, 44 const char *device_address) = 0; 45 virtual AudioSystem::device_connection_state getDeviceConnectionState(AudioSystem::audio_devices device, 46 const char *device_address) = 0; 47 virtual status_t setPhoneState(int state) = 0; 48 virtual status_t setRingerMode(uint32_t mode, uint32_t mask) = 0; 49 virtual status_t setForceUse(AudioSystem::force_use usage, AudioSystem::forced_config config) = 0; 50 virtual AudioSystem::forced_config getForceUse(AudioSystem::force_use usage) = 0; 51 virtual audio_io_handle_t getOutput(AudioSystem::stream_type stream, 52 uint32_t samplingRate = 0, 53 uint32_t format = AudioSystem::FORMAT_DEFAULT, 54 uint32_t channels = 0, 55 AudioSystem::output_flags flags = AudioSystem::OUTPUT_FLAG_INDIRECT) = 0; 56 virtual status_t startOutput(audio_io_handle_t output, AudioSystem::stream_type stream) = 0; 57 virtual status_t stopOutput(audio_io_handle_t output, AudioSystem::stream_type stream) = 0; 58 virtual void releaseOutput(audio_io_handle_t output) = 0; 59 virtual audio_io_handle_t getInput(int inputSource, 60 uint32_t samplingRate = 0, 61 uint32_t format = AudioSystem::FORMAT_DEFAULT, 62 uint32_t channels = 0, 63 AudioSystem::audio_in_acoustics acoustics = (AudioSystem::audio_in_acoustics)0) = 0; 64 virtual status_t startInput(audio_io_handle_t input) = 0; 65 virtual status_t stopInput(audio_io_handle_t input) = 0; 66 virtual void releaseInput(audio_io_handle_t input) = 0; 67 virtual status_t initStreamVolume(AudioSystem::stream_type stream, 68 int indexMin, 69 int indexMax) = 0; 70 virtual status_t setStreamVolumeIndex(AudioSystem::stream_type stream, int index) = 0; 71 virtual status_t getStreamVolumeIndex(AudioSystem::stream_type stream, int *index) = 0; 72 }; 73 74 75 // ---------------------------------------------------------------------------- 76 77 class BnAudioPolicyService : public BnInterface<IAudioPolicyService> 78 { 79 public: 80 virtual status_t onTransact( uint32_t code, 81 const Parcel& data, 82 Parcel* reply, 83 uint32_t flags = 0); 84 }; 85 86 // ---------------------------------------------------------------------------- 87 88 }; // namespace android 89 90 #endif // ANDROID_IAUDIOPOLICYSERVICE_H 91