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() const 67 { 68 // TODO: return highest priority input source 69 return mSessions.size() > 0 ? mSessions.valueAt(0)->inputSource() : 70 AUDIO_SOURCE_DEFAULT; 71 } 72 73 void AudioInputDescriptor::toAudioPortConfig(struct audio_port_config *dstConfig, 74 const struct audio_port_config *srcConfig) const 75 { 76 ALOG_ASSERT(mProfile != 0, 77 "toAudioPortConfig() called on input with null profile %d", mIoHandle); 78 dstConfig->config_mask = AUDIO_PORT_CONFIG_SAMPLE_RATE|AUDIO_PORT_CONFIG_CHANNEL_MASK| 79 AUDIO_PORT_CONFIG_FORMAT|AUDIO_PORT_CONFIG_GAIN; 80 if (srcConfig != NULL) { 81 dstConfig->config_mask |= srcConfig->config_mask; 82 } 83 84 AudioPortConfig::toAudioPortConfig(dstConfig, srcConfig); 85 86 dstConfig->id = mId; 87 dstConfig->role = AUDIO_PORT_ROLE_SINK; 88 dstConfig->type = AUDIO_PORT_TYPE_MIX; 89 dstConfig->ext.mix.hw_module = getModuleHandle(); 90 dstConfig->ext.mix.handle = mIoHandle; 91 dstConfig->ext.mix.usecase.source = inputSource(); 92 } 93 94 void AudioInputDescriptor::toAudioPort(struct audio_port *port) const 95 { 96 ALOG_ASSERT(mProfile != 0, "toAudioPort() called on input with null profile %d", mIoHandle); 97 98 mProfile->toAudioPort(port); 99 port->id = mId; 100 toAudioPortConfig(&port->active_config); 101 port->ext.mix.hw_module = getModuleHandle(); 102 port->ext.mix.handle = mIoHandle; 103 port->ext.mix.latency_class = AUDIO_LATENCY_NORMAL; 104 } 105 106 void AudioInputDescriptor::setPreemptedSessions(const SortedVector<audio_session_t>& sessions) 107 { 108 mPreemptedSessions = sessions; 109 } 110 111 SortedVector<audio_session_t> AudioInputDescriptor::getPreemptedSessions() const 112 { 113 return mPreemptedSessions; 114 } 115 116 bool AudioInputDescriptor::hasPreemptedSession(audio_session_t session) const 117 { 118 return (mPreemptedSessions.indexOf(session) >= 0); 119 } 120 121 void AudioInputDescriptor::clearPreemptedSessions() 122 { 123 mPreemptedSessions.clear(); 124 } 125 126 bool AudioInputDescriptor::isActive() const { 127 return mSessions.hasActiveSession(); 128 } 129 130 bool AudioInputDescriptor::isSourceActive(audio_source_t source) const 131 { 132 return mSessions.isSourceActive(source); 133 } 134 135 bool AudioInputDescriptor::isSoundTrigger() const { 136 // sound trigger and non sound trigger sessions are not mixed 137 // on a given input 138 return mSessions.valueAt(0)->isSoundTrigger(); 139 } 140 141 sp<AudioSession> AudioInputDescriptor::getAudioSession( 142 audio_session_t session) const { 143 return mSessions.valueFor(session); 144 } 145 146 AudioSessionCollection AudioInputDescriptor::getActiveAudioSessions() const 147 { 148 return mSessions.getActiveSessions(); 149 } 150 151 status_t AudioInputDescriptor::addAudioSession(audio_session_t session, 152 const sp<AudioSession>& audioSession) { 153 return mSessions.addSession(session, audioSession, /*AudioSessionInfoProvider*/this); 154 } 155 156 status_t AudioInputDescriptor::removeAudioSession(audio_session_t session) { 157 return mSessions.removeSession(session); 158 } 159 160 audio_patch_handle_t AudioInputDescriptor::getPatchHandle() const 161 { 162 return mPatchHandle; 163 } 164 165 void AudioInputDescriptor::setPatchHandle(audio_patch_handle_t handle) 166 { 167 mPatchHandle = handle; 168 mSessions.onSessionInfoUpdate(); 169 } 170 171 audio_config_base_t AudioInputDescriptor::getConfig() const 172 { 173 const audio_config_base_t config = { .sample_rate = mSamplingRate, .channel_mask = mChannelMask, 174 .format = mFormat }; 175 return config; 176 } 177 178 status_t AudioInputDescriptor::dump(int fd) 179 { 180 const size_t SIZE = 256; 181 char buffer[SIZE]; 182 String8 result; 183 184 snprintf(buffer, SIZE, " ID: %d\n", getId()); 185 result.append(buffer); 186 snprintf(buffer, SIZE, " Sampling rate: %d\n", mSamplingRate); 187 result.append(buffer); 188 snprintf(buffer, SIZE, " Format: %d\n", mFormat); 189 result.append(buffer); 190 snprintf(buffer, SIZE, " Channels: %08x\n", mChannelMask); 191 result.append(buffer); 192 snprintf(buffer, SIZE, " Devices %08x\n", mDevice); 193 result.append(buffer); 194 195 write(fd, result.string(), result.size()); 196 197 mSessions.dump(fd, 1); 198 199 return NO_ERROR; 200 } 201 202 bool AudioInputCollection::isSourceActive(audio_source_t source) const 203 { 204 for (size_t i = 0; i < size(); i++) { 205 const sp<AudioInputDescriptor> inputDescriptor = valueAt(i); 206 if (inputDescriptor->isSourceActive(source)) { 207 return true; 208 } 209 } 210 return false; 211 } 212 213 sp<AudioInputDescriptor> AudioInputCollection::getInputFromId(audio_port_handle_t id) const 214 { 215 sp<AudioInputDescriptor> inputDesc = NULL; 216 for (size_t i = 0; i < size(); i++) { 217 inputDesc = valueAt(i); 218 if (inputDesc->getId() == id) { 219 break; 220 } 221 } 222 return inputDesc; 223 } 224 225 uint32_t AudioInputCollection::activeInputsCount() const 226 { 227 uint32_t count = 0; 228 for (size_t i = 0; i < size(); i++) { 229 const sp<AudioInputDescriptor> inputDescriptor = valueAt(i); 230 if (inputDescriptor->isActive()) { 231 count++; 232 } 233 } 234 return count; 235 } 236 237 audio_io_handle_t AudioInputCollection::getActiveInput(bool ignoreVirtualInputs) 238 { 239 for (size_t i = 0; i < size(); i++) { 240 const sp<AudioInputDescriptor> inputDescriptor = valueAt(i); 241 if ((inputDescriptor->isActive()) 242 && (!ignoreVirtualInputs || 243 !is_virtual_input_device(inputDescriptor->mDevice))) { 244 return keyAt(i); 245 } 246 } 247 return 0; 248 } 249 250 audio_devices_t AudioInputCollection::getSupportedDevices(audio_io_handle_t handle) const 251 { 252 sp<AudioInputDescriptor> inputDesc = valueFor(handle); 253 audio_devices_t devices = inputDesc->mProfile->getSupportedDevicesType(); 254 return devices; 255 } 256 257 status_t AudioInputCollection::dump(int fd) const 258 { 259 const size_t SIZE = 256; 260 char buffer[SIZE]; 261 262 snprintf(buffer, SIZE, "\nInputs dump:\n"); 263 write(fd, buffer, strlen(buffer)); 264 for (size_t i = 0; i < size(); i++) { 265 snprintf(buffer, SIZE, "- Input %d dump:\n", keyAt(i)); 266 write(fd, buffer, strlen(buffer)); 267 valueAt(i)->dump(fd); 268 } 269 270 return NO_ERROR; 271 } 272 273 }; //namespace android 274
