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 // Note that empty name refers by convention to a generic device. 33 DeviceDescriptor(audio_devices_t type, const String8 &tagName = String8("")); 34 ~DeviceDescriptor()35 virtual ~DeviceDescriptor() {} 36 getTagName()37 virtual const String8 getTagName() const { return mTagName; } 38 type()39 audio_devices_t type() const { return mDeviceType; } 40 41 bool equals(const sp<DeviceDescriptor>& other) const; 42 43 // AudioPortConfig getAudioPort()44 virtual sp<AudioPort> getAudioPort() const { return (AudioPort*) this; } 45 virtual void toAudioPortConfig(struct audio_port_config *dstConfig, 46 const struct audio_port_config *srcConfig = NULL) const; 47 48 // AudioPort 49 virtual void attach(const sp<HwModule>& module); 50 virtual void toAudioPort(struct audio_port *port) const; 51 virtual void importAudioPort(const sp<AudioPort> port); 52 53 audio_port_handle_t getId() const; 54 status_t dump(int fd, int spaces, int index, bool verbose = true) const; 55 void log() const; 56 57 String8 mAddress; 58 59 private: 60 String8 mTagName; // Unique human readable identifier for a device port found in conf file. 61 audio_devices_t mDeviceType; 62 audio_port_handle_t mId; 63 64 friend class DeviceVector; 65 }; 66 67 class DeviceVector : public SortedVector<sp<DeviceDescriptor> > 68 { 69 public: DeviceVector()70 DeviceVector() : SortedVector(), mDeviceTypes(AUDIO_DEVICE_NONE) {} 71 72 ssize_t add(const sp<DeviceDescriptor>& item); 73 void add(const DeviceVector &devices); 74 ssize_t remove(const sp<DeviceDescriptor>& item); 75 ssize_t indexOf(const sp<DeviceDescriptor>& item) const; 76 types()77 audio_devices_t types() const { return mDeviceTypes; } 78 79 sp<DeviceDescriptor> getDevice(audio_devices_t type, String8 address) const; 80 DeviceVector getDevicesFromType(audio_devices_t types) const; 81 sp<DeviceDescriptor> getDeviceFromId(audio_port_handle_t id) const; 82 sp<DeviceDescriptor> getDeviceFromTagName(const String8 &tagName) const; 83 DeviceVector getDevicesFromTypeAddr(audio_devices_t type, String8 address) const; 84 85 audio_devices_t getDevicesFromHwModule(audio_module_handle_t moduleHandle) const; 86 87 status_t dump(int fd, const String8 &tag, int spaces = 0, bool verbose = true) const; 88 89 private: 90 void refreshTypes(); 91 audio_devices_t mDeviceTypes; 92 }; 93 94 }; // namespace android 95