1 /* 2 * Copyright (C) 2019 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_LAST_REMOVABLE_MEDIA_DEVICES_H 18 #define ANDROID_LAST_REMOVABLE_MEDIA_DEVICES_H 19 20 #include <vector> 21 #include <HwModule.h> 22 #include <system/audio_policy.h> 23 24 namespace android { 25 26 typedef enum { 27 GROUP_NONE = -1, 28 GROUP_WIRED, 29 GROUP_BT_A2DP, 30 NUM_GROUP 31 } device_out_group_t; 32 33 class LastRemovableMediaDevices 34 { 35 public: 36 void setRemovableMediaDevices(sp<DeviceDescriptor> desc, audio_policy_dev_state_t state); 37 std::vector<audio_devices_t> getLastRemovableMediaDevices( 38 device_out_group_t group = GROUP_NONE) const; 39 sp<DeviceDescriptor> getLastRemovableMediaDevice( 40 const DeviceVector& excludedDevices, device_out_group_t group = GROUP_NONE) const; 41 42 private: 43 struct DeviceGroupDescriptor { 44 sp<DeviceDescriptor> desc; 45 device_out_group_t group; 46 }; 47 std::vector<DeviceGroupDescriptor> mMediaDevices; 48 49 device_out_group_t getDeviceOutGroup(audio_devices_t device) const; 50 }; 51 52 } // namespace android 53 54 #endif // ANDROID_LAST_REMOVABLE_MEDIA_DEVICES_H 55