1 /* 2 * Copyright (C) 2015 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 #pragma once 18 19 #include "AudioPort.h" 20 #include <utils/Errors.h> 21 #include <utils/String8.h> 22 #include <utils/SortedVector.h> 23 #include <cutils/config_utils.h> 24 #include <system/audio.h> 25 #include <system/audio_policy.h> 26 27 namespace android { 28 29 class DeviceDescriptor : public AudioPort, public AudioPortConfig 30 { 31 public: 32 DeviceDescriptor(audio_devices_t type); 33 ~DeviceDescriptor()34 virtual ~DeviceDescriptor() {} 35 36 bool equals(const sp<DeviceDescriptor>& other) const; 37 38 // AudioPortConfig getAudioPort()39 virtual sp<AudioPort> getAudioPort() const { return (AudioPort*) this; } 40 virtual void toAudioPortConfig(struct audio_port_config *dstConfig, 41 const struct audio_port_config *srcConfig = NULL) const; 42 43 // AudioPort 44 virtual void attach(const sp<HwModule>& module); 45 virtual void loadGains(cnode *root); 46 virtual void toAudioPort(struct audio_port *port) const; 47 virtual void importAudioPort(const sp<AudioPort> port); 48 49 audio_port_handle_t getId() const; type()50 audio_devices_t type() const { return mDeviceType; } 51 status_t dump(int fd, int spaces, int index) const; 52 void log() const; 53 54 String8 mTag; 55 String8 mAddress; 56 57 private: 58 audio_devices_t mDeviceType; 59 audio_port_handle_t mId; 60 61 friend class DeviceVector; 62 }; 63 64 class DeviceVector : public SortedVector< sp<DeviceDescriptor> > 65 { 66 public: DeviceVector()67 DeviceVector() : SortedVector(), mDeviceTypes(AUDIO_DEVICE_NONE) {} 68 69 ssize_t add(const sp<DeviceDescriptor>& item); 70 ssize_t remove(const sp<DeviceDescriptor>& item); 71 ssize_t indexOf(const sp<DeviceDescriptor>& item) const; 72 types()73 audio_devices_t types() const { return mDeviceTypes; } 74 75 void loadDevicesFromType(audio_devices_t types); 76 void loadDevicesFromTag(char *tag, const DeviceVector& declaredDevices); 77 78 sp<DeviceDescriptor> getDevice(audio_devices_t type, String8 address) const; 79 DeviceVector getDevicesFromType(audio_devices_t types) const; 80 sp<DeviceDescriptor> getDeviceFromId(audio_port_handle_t id) const; 81 sp<DeviceDescriptor> getDeviceFromTag(const String8& tag) const; 82 DeviceVector getDevicesFromTypeAddr(audio_devices_t type, String8 address) const; 83 84 audio_devices_t getDevicesFromHwModule(audio_module_handle_t moduleHandle) const; 85 86 audio_policy_dev_state_t getDeviceConnectionState(const sp<DeviceDescriptor> &devDesc) const; 87 88 status_t dump(int fd, const String8 &direction) const; 89 90 private: 91 void refreshTypes(); 92 audio_devices_t mDeviceTypes; 93 }; 94 95 }; // namespace android 96