1 // Copyright 2016 The Android Open Source Project 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 // 15 16 // Internal class to represent BAudioDeviceInfo. 17 18 #ifndef BRILLO_AUDIO_AUDIOSERVICE_BRILLO_AUDIO_DEVICE_INFO_INTERNAL_H_ 19 #define BRILLO_AUDIO_AUDIOSERVICE_BRILLO_AUDIO_DEVICE_INFO_INTERNAL_H_ 20 21 #include <vector> 22 23 #include <gtest/gtest_prod.h> 24 #include <hardware/audio_policy.h> 25 26 #include "include/brillo_audio_device_info.h" 27 28 namespace brillo { 29 30 class BAudioDeviceInfoInternal { 31 public: 32 // Constructor for BAudioDeviceInfoInternal. 33 // 34 // |device_id| is an integer representing an audio device type as defined in 35 // brillo_audio_device_info.h. 36 explicit BAudioDeviceInfoInternal(int device_id); 37 38 // Get audio policy config. 39 // 40 // Returns an audio_policy_forced_cfg_t. 41 audio_policy_forced_cfg_t GetConfig(); 42 43 // Create a BAudioDeviceInfoInternal object from a audio_devices_t device 44 // type. 45 // 46 // |devices_t| is an audio device of type audio_devices_t which is represented 47 // using an int. 48 // 49 // Returns a pointer to a BAudioDeviceInfoInternal that has been created. 50 static BAudioDeviceInfoInternal* CreateFromAudioDevicesT(unsigned int device); 51 52 // Get the device id. 53 // 54 // Returns an int which is the device_id. 55 int GetDeviceId(); 56 57 // Get audio_devices_t that corresponds to device_id; 58 // 59 // Returns an audio_devices_t. 60 audio_devices_t GetAudioDevicesT(); 61 62 private: 63 FRIEND_TEST(BrilloAudioDeviceInfoInternalTest, InWiredHeadset); 64 FRIEND_TEST(BrilloAudioDeviceInfoInternalTest, OutWiredHeadset); 65 FRIEND_TEST(BrilloAudioDeviceInfoInternalTest, OutWiredHeadphone); 66 67 // An int representing the underlying audio device. The int is one of the 68 // constants defined in brillo_audio_device_info.h. 69 int device_id_; 70 }; 71 72 } // namespace brillo 73 74 #endif // BRILLO_AUDIO_AUDIOSERVICE_BRILLO_AUDIO_DEVICE_INFO_INTERNAL_H_ 75