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
26 namespace android {
27
DeviceDescriptor(audio_devices_t type,const String8 & tagName)28 DeviceDescriptor::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
getId() const39 audio_port_handle_t DeviceDescriptor::getId() const
40 {
41 return mId;
42 }
43
attach(const sp<HwModule> & module)44 void DeviceDescriptor::attach(const sp<HwModule>& module)
45 {
46 AudioPort::attach(module);
47 mId = getNextUniqueId();
48 }
49
equals(const sp<DeviceDescriptor> & other) const50 bool 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
refreshTypes()61 void 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
indexOf(const sp<DeviceDescriptor> & item) const70 ssize_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
add(const DeviceVector & devices)80 void 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
add(const sp<DeviceDescriptor> & item)93 ssize_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
remove(const sp<DeviceDescriptor> & item)109 ssize_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
getDevicesFromHwModule(audio_module_handle_t moduleHandle) const124 audio_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
getDevice(audio_devices_t type,const String8 & address) const135 sp<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
getDeviceFromId(audio_port_handle_t id) const153 sp<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
getDevicesFromType(audio_devices_t type) const163 DeviceVector 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
getDevicesFromTypeAddr(audio_devices_t type,const String8 & address) const181 DeviceVector 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
getDeviceFromTagName(const String8 & tagName) const193 sp<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
dump(int fd,const String8 & tag,int spaces,bool verbose) const203 status_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
toAudioPortConfig(struct audio_port_config * dstConfig,const struct audio_port_config * srcConfig) const219 void 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
toAudioPort(struct audio_port * port) const254 void 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
importAudioPort(const sp<AudioPort> & port,bool force)265 void 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
dump(int fd,int spaces,int index,bool verbose) const273 status_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
log() const304 void 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