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