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#define LOG_TAG "APM::Devices" 18//#define LOG_NDEBUG 0 19 20#include <audio_utils/string.h> 21#include "DeviceDescriptor.h" 22#include "TypeConverter.h" 23#include "AudioGain.h" 24#include "HwModule.h" 25 26namespace android { 27 28DeviceDescriptor::DeviceDescriptor(audio_devices_t type, const String8 &tagName) : 29 AudioPort(String8(""), AUDIO_PORT_TYPE_DEVICE, 30 audio_is_output_device(type) ? AUDIO_PORT_ROLE_SINK : 31 AUDIO_PORT_ROLE_SOURCE), 32 mAddress(""), mTagName(tagName), mDeviceType(type), mId(0) 33{ 34 if (type == AUDIO_DEVICE_IN_REMOTE_SUBMIX || type == AUDIO_DEVICE_OUT_REMOTE_SUBMIX ) { 35 mAddress = String8("0"); 36 } 37} 38 39audio_port_handle_t DeviceDescriptor::getId() const 40{ 41 return mId; 42} 43 44void DeviceDescriptor::attach(const sp<HwModule>& module) 45{ 46 AudioPort::attach(module); 47 mId = getNextUniqueId(); 48} 49 50bool DeviceDescriptor::equals(const sp<DeviceDescriptor>& other) const 51{ 52 // Devices are considered equal if they: 53 // - are of the same type (a device type cannot be AUDIO_DEVICE_NONE) 54 // - have the same address 55 if (other == 0) { 56 return false; 57 } 58 return (mDeviceType == other->mDeviceType) && (mAddress == other->mAddress); 59} 60 61void DeviceVector::refreshTypes() 62{ 63 mDeviceTypes = AUDIO_DEVICE_NONE; 64 for (size_t i = 0; i < size(); i++) { 65 mDeviceTypes |= itemAt(i)->type(); 66 } 67 ALOGV("DeviceVector::refreshTypes() mDeviceTypes %08x", mDeviceTypes); 68} 69 70ssize_t DeviceVector::indexOf(const sp<DeviceDescriptor>& item) const 71{ 72 for (size_t i = 0; i < size(); i++) { 73 if (item->equals(itemAt(i))) { 74 return i; 75 } 76 } 77 return -1; 78} 79 80void DeviceVector::add(const DeviceVector &devices) 81{ 82 bool added = false; 83 for (const auto& device : devices) { 84 if (indexOf(device) < 0 && SortedVector::add(device) >= 0) { 85 added = true; 86 } 87 } 88 if (added) { 89 refreshTypes(); 90 } 91} 92 93ssize_t DeviceVector::add(const sp<DeviceDescriptor>& item) 94{ 95 ssize_t ret = indexOf(item); 96 97 if (ret < 0) { 98 ret = SortedVector::add(item); 99 if (ret >= 0) { 100 refreshTypes(); 101 } 102 } else { 103 ALOGW("DeviceVector::add device %08x already in", item->type()); 104 ret = -1; 105 } 106 return ret; 107} 108 109ssize_t DeviceVector::remove(const sp<DeviceDescriptor>& item) 110{ 111 ssize_t ret = indexOf(item); 112 113 if (ret < 0) { 114 ALOGW("DeviceVector::remove device %08x not in", item->type()); 115 } else { 116 ret = SortedVector::removeAt(ret); 117 if (ret >= 0) { 118 refreshTypes(); 119 } 120 } 121 return ret; 122} 123 124audio_devices_t DeviceVector::getDevicesFromHwModule(audio_module_handle_t moduleHandle) const 125{ 126 audio_devices_t devices = AUDIO_DEVICE_NONE; 127 for (size_t i = 0; i < size(); i++) { 128 if (itemAt(i)->getModuleHandle() == moduleHandle) { 129 devices |= itemAt(i)->type(); 130 } 131 } 132 return devices; 133} 134 135sp<DeviceDescriptor> DeviceVector::getDevice(audio_devices_t type, const String8& address) const 136{ 137 sp<DeviceDescriptor> device; 138 for (size_t i = 0; i < size(); i++) { 139 if (itemAt(i)->type() == type) { 140 if (address == "" || itemAt(i)->mAddress == address) { 141 device = itemAt(i); 142 if (itemAt(i)->mAddress == address) { 143 break; 144 } 145 } 146 } 147 } 148 ALOGV("DeviceVector::getDevice() for type %08x address %s found %p", 149 type, address.string(), device.get()); 150 return device; 151} 152 153sp<DeviceDescriptor> DeviceVector::getDeviceFromId(audio_port_handle_t id) const 154{ 155 for (const auto& device : *this) { 156 if (device->getId() == id) { 157 return device; 158 } 159 } 160 return nullptr; 161} 162 163DeviceVector DeviceVector::getDevicesFromType(audio_devices_t type) const 164{ 165 DeviceVector devices; 166 bool isOutput = audio_is_output_devices(type); 167 type &= ~AUDIO_DEVICE_BIT_IN; 168 for (size_t i = 0; (i < size()) && (type != AUDIO_DEVICE_NONE); i++) { 169 bool curIsOutput = audio_is_output_devices(itemAt(i)->mDeviceType); 170 audio_devices_t curType = itemAt(i)->mDeviceType & ~AUDIO_DEVICE_BIT_IN; 171 if ((isOutput == curIsOutput) && ((type & curType) != 0)) { 172 devices.add(itemAt(i)); 173 type &= ~curType; 174 ALOGV("DeviceVector::getDevicesFromType() for type %x found %p", 175 itemAt(i)->type(), itemAt(i).get()); 176 } 177 } 178 return devices; 179} 180 181DeviceVector DeviceVector::getDevicesFromTypeAddr( 182 audio_devices_t type, const String8& address) const 183{ 184 DeviceVector devices; 185 for (const auto& device : *this) { 186 if (device->type() == type && device->mAddress == address) { 187 devices.add(device); 188 } 189 } 190 return devices; 191} 192 193sp<DeviceDescriptor> DeviceVector::getDeviceFromTagName(const String8 &tagName) const 194{ 195 for (const auto& device : *this) { 196 if (device->getTagName() == tagName) { 197 return device; 198 } 199 } 200 return nullptr; 201} 202 203status_t DeviceVector::dump(int fd, const String8 &tag, int spaces, bool verbose) const 204{ 205 if (isEmpty()) { 206 return NO_ERROR; 207 } 208 const size_t SIZE = 256; 209 char buffer[SIZE]; 210 211 snprintf(buffer, SIZE, "%*s- %s devices:\n", spaces, "", tag.string()); 212 write(fd, buffer, strlen(buffer)); 213 for (size_t i = 0; i < size(); i++) { 214 itemAt(i)->dump(fd, spaces + 2, i, verbose); 215 } 216 return NO_ERROR; 217} 218 219void DeviceDescriptor::toAudioPortConfig(struct audio_port_config *dstConfig, 220 const struct audio_port_config *srcConfig) const 221{ 222 dstConfig->config_mask = AUDIO_PORT_CONFIG_GAIN; 223 if (mSamplingRate != 0) { 224 dstConfig->config_mask |= AUDIO_PORT_CONFIG_SAMPLE_RATE; 225 } 226 if (mChannelMask != AUDIO_CHANNEL_NONE) { 227 dstConfig->config_mask |= AUDIO_PORT_CONFIG_CHANNEL_MASK; 228 } 229 if (mFormat != AUDIO_FORMAT_INVALID) { 230 dstConfig->config_mask |= AUDIO_PORT_CONFIG_FORMAT; 231 } 232 233 if (srcConfig != NULL) { 234 dstConfig->config_mask |= srcConfig->config_mask; 235 } 236 237 AudioPortConfig::toAudioPortConfig(dstConfig, srcConfig); 238 239 dstConfig->id = mId; 240 dstConfig->role = audio_is_output_device(mDeviceType) ? 241 AUDIO_PORT_ROLE_SINK : AUDIO_PORT_ROLE_SOURCE; 242 dstConfig->type = AUDIO_PORT_TYPE_DEVICE; 243 dstConfig->ext.device.type = mDeviceType; 244 245 //TODO Understand why this test is necessary. i.e. why at boot time does it crash 246 // without the test? 247 // This has been demonstrated to NOT be true (at start up) 248 // ALOG_ASSERT(mModule != NULL); 249 dstConfig->ext.device.hw_module = 250 mModule != 0 ? mModule->getHandle() : AUDIO_MODULE_HANDLE_NONE; 251 (void)audio_utils_strlcpy_zerofill(dstConfig->ext.device.address, mAddress.string()); 252} 253 254void DeviceDescriptor::toAudioPort(struct audio_port *port) const 255{ 256 ALOGV("DeviceDescriptor::toAudioPort() handle %d type %x", mId, mDeviceType); 257 AudioPort::toAudioPort(port); 258 port->id = mId; 259 toAudioPortConfig(&port->active_config); 260 port->ext.device.type = mDeviceType; 261 port->ext.device.hw_module = mModule->getHandle(); 262 (void)audio_utils_strlcpy_zerofill(port->ext.device.address, mAddress.string()); 263} 264 265void DeviceDescriptor::importAudioPort(const sp<AudioPort>& port, bool force) { 266 if (!force && !port->hasDynamicAudioProfile()) { 267 return; 268 } 269 AudioPort::importAudioPort(port); 270 port->pickAudioProfile(mSamplingRate, mChannelMask, mFormat); 271} 272 273status_t DeviceDescriptor::dump(int fd, int spaces, int index, bool verbose) const 274{ 275 const size_t SIZE = 256; 276 char buffer[SIZE]; 277 String8 result; 278 279 snprintf(buffer, SIZE, "%*sDevice %d:\n", spaces, "", index+1); 280 result.append(buffer); 281 if (mId != 0) { 282 snprintf(buffer, SIZE, "%*s- id: %2d\n", spaces, "", mId); 283 result.append(buffer); 284 } 285 if (!mTagName.isEmpty()) { 286 snprintf(buffer, SIZE, "%*s- tag name: %s\n", spaces, "", mTagName.string()); 287 result.append(buffer); 288 } 289 std::string deviceLiteral; 290 if (deviceToString(mDeviceType, deviceLiteral)) { 291 snprintf(buffer, SIZE, "%*s- type: %-48s\n", spaces, "", deviceLiteral.c_str()); 292 result.append(buffer); 293 } 294 if (mAddress.size() != 0) { 295 snprintf(buffer, SIZE, "%*s- address: %-32s\n", spaces, "", mAddress.string()); 296 result.append(buffer); 297 } 298 write(fd, result.string(), result.size()); 299 AudioPort::dump(fd, spaces, verbose); 300 301 return NO_ERROR; 302} 303 304void DeviceDescriptor::log() const 305{ 306 std::string device; 307 deviceToString(mDeviceType, device); 308 ALOGI("Device id:%d type:0x%X:%s, addr:%s", mId, mDeviceType, device.c_str(), 309 mAddress.string()); 310 311 AudioPort::log(" "); 312} 313 314} // namespace android 315