AudioInputDescriptor.cpp revision 4b2fcd8abf90b1bd95539f9f4ef2ac39ce9e2df1
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 27namespace android { 28 29AudioInputDescriptor::AudioInputDescriptor(const sp<IOProfile>& profile) 30 : mIoHandle(0), 31 mDevice(AUDIO_DEVICE_NONE), mPolicyMix(NULL), mPatchHandle(0), 32 mProfile(profile), 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 42void AudioInputDescriptor::setIoHandle(audio_io_handle_t ioHandle) 43{ 44 mId = AudioPort::getNextUniqueId(); 45 mIoHandle = ioHandle; 46} 47 48audio_module_handle_t AudioInputDescriptor::getModuleHandle() const 49{ 50 if (mProfile == 0) { 51 return 0; 52 } 53 return mProfile->getModuleHandle(); 54} 55 56uint32_t AudioInputDescriptor::getOpenRefCount() const 57{ 58 return mSessions.getOpenCount(); 59} 60 61audio_port_handle_t AudioInputDescriptor::getId() const 62{ 63 return mId; 64} 65 66audio_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 73void 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 94void 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 106void AudioInputDescriptor::setPreemptedSessions(const SortedVector<audio_session_t>& sessions) 107{ 108 mPreemptedSessions = sessions; 109} 110 111SortedVector<audio_session_t> AudioInputDescriptor::getPreemptedSessions() const 112{ 113 return mPreemptedSessions; 114} 115 116bool AudioInputDescriptor::hasPreemptedSession(audio_session_t session) const 117{ 118 return (mPreemptedSessions.indexOf(session) >= 0); 119} 120 121void AudioInputDescriptor::clearPreemptedSessions() 122{ 123 mPreemptedSessions.clear(); 124} 125 126bool AudioInputDescriptor::isActive() const { 127 return mSessions.hasActiveSession(); 128} 129 130bool AudioInputDescriptor::isSourceActive(audio_source_t source) const 131{ 132 return mSessions.isSourceActive(source); 133} 134 135audio_source_t AudioInputDescriptor::getHighestPrioritySource(bool activeOnly) const 136{ 137 138 return mSessions.getHighestPrioritySource(activeOnly); 139} 140 141bool AudioInputDescriptor::isSoundTrigger() const { 142 // sound trigger and non sound trigger sessions are not mixed 143 // on a given input 144 return mSessions.valueAt(0)->isSoundTrigger(); 145} 146 147sp<AudioSession> AudioInputDescriptor::getAudioSession( 148 audio_session_t session) const { 149 return mSessions.valueFor(session); 150} 151 152AudioSessionCollection AudioInputDescriptor::getAudioSessions(bool activeOnly) const 153{ 154 if (activeOnly) { 155 return mSessions.getActiveSessions(); 156 } else { 157 return mSessions; 158 } 159} 160 161status_t AudioInputDescriptor::addAudioSession(audio_session_t session, 162 const sp<AudioSession>& audioSession) { 163 return mSessions.addSession(session, audioSession); 164} 165 166status_t AudioInputDescriptor::removeAudioSession(audio_session_t session) { 167 return mSessions.removeSession(session); 168} 169 170status_t AudioInputDescriptor::dump(int fd) 171{ 172 const size_t SIZE = 256; 173 char buffer[SIZE]; 174 String8 result; 175 176 snprintf(buffer, SIZE, " ID: %d\n", getId()); 177 result.append(buffer); 178 snprintf(buffer, SIZE, " Sampling rate: %d\n", mSamplingRate); 179 result.append(buffer); 180 snprintf(buffer, SIZE, " Format: %d\n", mFormat); 181 result.append(buffer); 182 snprintf(buffer, SIZE, " Channels: %08x\n", mChannelMask); 183 result.append(buffer); 184 snprintf(buffer, SIZE, " Devices %08x\n", mDevice); 185 result.append(buffer); 186 187 write(fd, result.string(), result.size()); 188 189 mSessions.dump(fd, 1); 190 191 return NO_ERROR; 192} 193 194bool AudioInputCollection::isSourceActive(audio_source_t source) const 195{ 196 for (size_t i = 0; i < size(); i++) { 197 const sp<AudioInputDescriptor> inputDescriptor = valueAt(i); 198 if (inputDescriptor->isSourceActive(source)) { 199 return true; 200 } 201 } 202 return false; 203} 204 205sp<AudioInputDescriptor> AudioInputCollection::getInputFromId(audio_port_handle_t id) const 206{ 207 sp<AudioInputDescriptor> inputDesc = NULL; 208 for (size_t i = 0; i < size(); i++) { 209 inputDesc = valueAt(i); 210 if (inputDesc->getId() == id) { 211 break; 212 } 213 } 214 return inputDesc; 215} 216 217uint32_t AudioInputCollection::activeInputsCount() const 218{ 219 uint32_t count = 0; 220 for (size_t i = 0; i < size(); i++) { 221 const sp<AudioInputDescriptor> inputDescriptor = valueAt(i); 222 if (inputDescriptor->isActive()) { 223 count++; 224 } 225 } 226 return count; 227} 228 229Vector<sp <AudioInputDescriptor> > AudioInputCollection::getActiveInputs(bool ignoreVirtualInputs) 230{ 231 Vector<sp <AudioInputDescriptor> > activeInputs; 232 233 for (size_t i = 0; i < size(); i++) { 234 const sp<AudioInputDescriptor> inputDescriptor = valueAt(i); 235 if ((inputDescriptor->isActive()) 236 && (!ignoreVirtualInputs || 237 !is_virtual_input_device(inputDescriptor->mDevice))) { 238 activeInputs.add(inputDescriptor); 239 } 240 } 241 return activeInputs; 242} 243 244audio_devices_t AudioInputCollection::getSupportedDevices(audio_io_handle_t handle) const 245{ 246 sp<AudioInputDescriptor> inputDesc = valueFor(handle); 247 audio_devices_t devices = inputDesc->mProfile->getSupportedDevicesType(); 248 return devices; 249} 250 251status_t AudioInputCollection::dump(int fd) const 252{ 253 const size_t SIZE = 256; 254 char buffer[SIZE]; 255 256 snprintf(buffer, SIZE, "\nInputs dump:\n"); 257 write(fd, buffer, strlen(buffer)); 258 for (size_t i = 0; i < size(); i++) { 259 snprintf(buffer, SIZE, "- Input %d dump:\n", keyAt(i)); 260 write(fd, buffer, strlen(buffer)); 261 valueAt(i)->dump(fd); 262 } 263 264 return NO_ERROR; 265} 266 267}; //namespace android 268