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::AudioInputDescriptor" 18 //#define LOG_NDEBUG 0 19 20 #include "AudioInputDescriptor.h" 21 #include "IOProfile.h" 22 #include "AudioGain.h" 23 #include "HwModule.h" 24 #include <media/AudioPolicy.h> 25 #include <policy.h> 26 27 namespace android { 28 29 AudioInputDescriptor::AudioInputDescriptor(const sp<IOProfile>& profile) 30 : mIoHandle(0), 31 mDevice(AUDIO_DEVICE_NONE), mPolicyMix(NULL), 32 mProfile(profile), mPatchHandle(AUDIO_PATCH_HANDLE_NONE), mId(0) 33 { 34 if (profile != NULL) { 35 profile->pickAudioProfile(mSamplingRate, mChannelMask, mFormat); 36 if (profile->mGains.size() > 0) { 37 profile->mGains[0]->getDefaultConfig(&mGain); 38 } 39 } 40 } 41 42 void AudioInputDescriptor::setIoHandle(audio_io_handle_t ioHandle) 43 { 44 mId = AudioPort::getNextUniqueId(); 45 mIoHandle = ioHandle; 46 } 47 48 audio_module_handle_t AudioInputDescriptor::getModuleHandle() const 49 { 50 if (mProfile == 0) { 51 return AUDIO_MODULE_HANDLE_NONE; 52 } 53 return mProfile->getModuleHandle(); 54 } 55 56 uint32_t AudioInputDescriptor::getOpenRefCount() const 57 { 58 return mSessions.getOpenCount(); 59 } 60 61 audio_port_handle_t AudioInputDescriptor::getId() const 62 { 63 return mId; 64 } 65 66 audio_source_t AudioInputDescriptor::inputSource(bool activeOnly) const 67 { 68 return getHighestPrioritySource(activeOnly); 69 } 70 71 void AudioInputDescriptor::toAudioPortConfig(struct audio_port_config *dstConfig, 72 const struct audio_port_config *srcConfig) const 73 { 74 ALOG_ASSERT(mProfile != 0, 75 "toAudioPortConfig() called on input with null profile %d", mIoHandle); 76 dstConfig->config_mask = AUDIO_PORT_CONFIG_SAMPLE_RATE|AUDIO_PORT_CONFIG_CHANNEL_MASK| 77 AUDIO_PORT_CONFIG_FORMAT|AUDIO_PORT_CONFIG_GAIN; 78 if (srcConfig != NULL) { 79 dstConfig->config_mask |= srcConfig->config_mask; 80 } 81 82 AudioPortConfig::toAudioPortConfig(dstConfig, srcConfig); 83 84 dstConfig->id = mId; 85 dstConfig->role = AUDIO_PORT_ROLE_SINK; 86 dstConfig->type = AUDIO_PORT_TYPE_MIX; 87 dstConfig->ext.mix.hw_module = getModuleHandle(); 88 dstConfig->ext.mix.handle = mIoHandle; 89 dstConfig->ext.mix.usecase.source = inputSource(); 90 } 91 92 void AudioInputDescriptor::toAudioPort(struct audio_port *port) const 93 { 94 ALOG_ASSERT(mProfile != 0, "toAudioPort() called on input with null profile %d", mIoHandle); 95 96 mProfile->toAudioPort(port); 97 port->id = mId; 98 toAudioPortConfig(&port->active_config); 99 port->ext.mix.hw_module = getModuleHandle(); 100 port->ext.mix.handle = mIoHandle; 101 port->ext.mix.latency_class = AUDIO_LATENCY_NORMAL; 102 } 103 104 void AudioInputDescriptor::setPreemptedSessions(const SortedVector<audio_session_t>& sessions) 105 { 106 mPreemptedSessions = sessions; 107 } 108 109 SortedVector<audio_session_t> AudioInputDescriptor::getPreemptedSessions() const 110 { 111 return mPreemptedSessions; 112 } 113 114 bool AudioInputDescriptor::hasPreemptedSession(audio_session_t session) const 115 { 116 return (mPreemptedSessions.indexOf(session) >= 0); 117 } 118 119 void AudioInputDescriptor::clearPreemptedSessions() 120 { 121 mPreemptedSessions.clear(); 122 } 123 124 bool AudioInputDescriptor::isActive() const { 125 return mSessions.hasActiveSession(); 126 } 127 128 bool AudioInputDescriptor::isSourceActive(audio_source_t source) const 129 { 130 return mSessions.isSourceActive(source); 131 } 132 133 audio_source_t AudioInputDescriptor::getHighestPrioritySource(bool activeOnly) const 134 { 135 136 return mSessions.getHighestPrioritySource(activeOnly); 137 } 138 139 bool AudioInputDescriptor::isSoundTrigger() const { 140 // sound trigger and non sound trigger sessions are not mixed 141 // on a given input 142 return mSessions.valueAt(0)->isSoundTrigger(); 143 } 144 145 sp<AudioSession> AudioInputDescriptor::getAudioSession( 146 audio_session_t session) const { 147 return mSessions.valueFor(session); 148 } 149 150 AudioSessionCollection AudioInputDescriptor::getAudioSessions(bool activeOnly) const 151 { 152 if (activeOnly) { 153 return mSessions.getActiveSessions(); 154 } else { 155 return mSessions; 156 } 157 } 158 159 size_t AudioInputDescriptor::getAudioSessionCount(bool activeOnly) const 160 { 161 if (activeOnly) { 162 return mSessions.getActiveSessionCount(); 163 } else { 164 return mSessions.size(); 165 } 166 } 167 168 status_t AudioInputDescriptor::addAudioSession(audio_session_t session, 169 const sp<AudioSession>& audioSession) { 170 return mSessions.addSession(session, audioSession, /*AudioSessionInfoProvider*/this); 171 } 172 173 status_t AudioInputDescriptor::removeAudioSession(audio_session_t session) { 174 return mSessions.removeSession(session); 175 } 176 177 audio_patch_handle_t AudioInputDescriptor::getPatchHandle() const 178 { 179 return mPatchHandle; 180 } 181 182 void AudioInputDescriptor::setPatchHandle(audio_patch_handle_t handle) 183 { 184 mPatchHandle = handle; 185 mSessions.onSessionInfoUpdate(); 186 } 187 188 audio_config_base_t AudioInputDescriptor::getConfig() const 189 { 190 const audio_config_base_t config = { .sample_rate = mSamplingRate, .channel_mask = mChannelMask, 191 .format = mFormat }; 192 return config; 193 } 194 195 status_t AudioInputDescriptor::dump(int fd) 196 { 197 const size_t SIZE = 256; 198 char buffer[SIZE]; 199 String8 result; 200 201 snprintf(buffer, SIZE, " ID: %d\n", getId()); 202 result.append(buffer); 203 snprintf(buffer, SIZE, " Sampling rate: %d\n", mSamplingRate); 204 result.append(buffer); 205 snprintf(buffer, SIZE, " Format: %d\n", mFormat); 206 result.append(buffer); 207 snprintf(buffer, SIZE, " Channels: %08x\n", mChannelMask); 208 result.append(buffer); 209 snprintf(buffer, SIZE, " Devices %08x\n", mDevice); 210 result.append(buffer); 211 212 write(fd, result.string(), result.size()); 213 214 mSessions.dump(fd, 1); 215 216 return NO_ERROR; 217 } 218 219 bool AudioInputCollection::isSourceActive(audio_source_t source) const 220 { 221 for (size_t i = 0; i < size(); i++) { 222 const sp<AudioInputDescriptor> inputDescriptor = valueAt(i); 223 if (inputDescriptor->isSourceActive(source)) { 224 return true; 225 } 226 } 227 return false; 228 } 229 230 sp<AudioInputDescriptor> AudioInputCollection::getInputFromId(audio_port_handle_t id) const 231 { 232 sp<AudioInputDescriptor> inputDesc = NULL; 233 for (size_t i = 0; i < size(); i++) { 234 inputDesc = valueAt(i); 235 if (inputDesc->getId() == id) { 236 break; 237 } 238 } 239 return inputDesc; 240 } 241 242 uint32_t AudioInputCollection::activeInputsCountOnDevices(audio_devices_t devices) const 243 { 244 uint32_t count = 0; 245 for (size_t i = 0; i < size(); i++) { 246 const sp<AudioInputDescriptor> inputDescriptor = valueAt(i); 247 if (inputDescriptor->isActive() && 248 ((devices == AUDIO_DEVICE_IN_DEFAULT) || 249 ((inputDescriptor->mDevice & devices & ~AUDIO_DEVICE_BIT_IN) != 0))) { 250 count++; 251 } 252 } 253 return count; 254 } 255 256 Vector<sp <AudioInputDescriptor> > AudioInputCollection::getActiveInputs(bool ignoreVirtualInputs) 257 { 258 Vector<sp <AudioInputDescriptor> > activeInputs; 259 260 for (size_t i = 0; i < size(); i++) { 261 const sp<AudioInputDescriptor> inputDescriptor = valueAt(i); 262 if ((inputDescriptor->isActive()) 263 && (!ignoreVirtualInputs || 264 !is_virtual_input_device(inputDescriptor->mDevice))) { 265 activeInputs.add(inputDescriptor); 266 } 267 } 268 return activeInputs; 269 } 270 271 audio_devices_t AudioInputCollection::getSupportedDevices(audio_io_handle_t handle) const 272 { 273 sp<AudioInputDescriptor> inputDesc = valueFor(handle); 274 audio_devices_t devices = inputDesc->mProfile->getSupportedDevicesType(); 275 return devices; 276 } 277 278 status_t AudioInputCollection::dump(int fd) const 279 { 280 const size_t SIZE = 256; 281 char buffer[SIZE]; 282 283 snprintf(buffer, SIZE, "\nInputs dump:\n"); 284 write(fd, buffer, strlen(buffer)); 285 for (size_t i = 0; i < size(); i++) { 286 snprintf(buffer, SIZE, "- Input %d dump:\n", keyAt(i)); 287 write(fd, buffer, strlen(buffer)); 288 valueAt(i)->dump(fd); 289 } 290 291 return NO_ERROR; 292 } 293 294 }; //namespace android 295
