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