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
DeviceDescriptor(audio_devices_t type,const String8 & tagName)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
getId() const38 audio_port_handle_t DeviceDescriptor::getId() const
39 {
40 return mId;
41 }
42
attach(const sp<HwModule> & module)43 void DeviceDescriptor::attach(const sp<HwModule>& module)
44 {
45 AudioPort::attach(module);
46 mId = getNextUniqueId();
47 }
48
equals(const sp<DeviceDescriptor> & other) const49 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
refreshTypes()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
indexOf(const sp<DeviceDescriptor> & item) const69 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
add(const DeviceVector & devices)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
add(const sp<DeviceDescriptor> & item)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
remove(const sp<DeviceDescriptor> & item)105 ssize_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
getDevicesFromHwModule(audio_module_handle_t moduleHandle) const120 audio_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
getDevice(audio_devices_t type,const String8 & address) const131 sp<DeviceDescriptor> DeviceVector::getDevice(audio_devices_t type, const 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
getDeviceFromId(audio_port_handle_t id) const149 sp<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
getDevicesFromType(audio_devices_t type) const161 DeviceVector 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
getDevicesFromTypeAddr(audio_devices_t type,const String8 & address) const179 DeviceVector DeviceVector::getDevicesFromTypeAddr(
180 audio_devices_t type, const 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
getDeviceFromTagName(const String8 & tagName) const193 sp<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
dump(int fd,const String8 & tag,int spaces,bool verbose) const205 status_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
toAudioPortConfig(struct audio_port_config * dstConfig,const struct audio_port_config * srcConfig) const221 void 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
toAudioPort(struct audio_port * port) const255 void 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
importAudioPort(const sp<AudioPort> & port)266 void DeviceDescriptor::importAudioPort(const sp<AudioPort>& port) {
267 AudioPort::importAudioPort(port);
268 port->pickAudioProfile(mSamplingRate, mChannelMask, mFormat);
269 }
270
dump(int fd,int spaces,int index,bool verbose) const271 status_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 (deviceToString(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
log() const302 void DeviceDescriptor::log() const
303 {
304 std::string device;
305 deviceToString(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