AudioInputDescriptor.cpp revision 65bfe916ca972b95f41d7f6cc2566c2e12a3eada
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), mRefCount(0), 32 mInputSource(AUDIO_SOURCE_DEFAULT), mProfile(profile), mIsSoundTrigger(false), mId(0), 33 mOpenRefCount(0) 34{ 35 if (profile != NULL) { 36 mSamplingRate = profile->pickSamplingRate(); 37 mFormat = profile->pickFormat(); 38 mChannelMask = profile->pickChannelMask(); 39 if (profile->mGains.size() > 0) { 40 profile->mGains[0]->getDefaultConfig(&mGain); 41 } 42 } 43} 44 45void AudioInputDescriptor::setIoHandle(audio_io_handle_t ioHandle) 46{ 47 mId = AudioPort::getNextUniqueId(); 48 mIoHandle = ioHandle; 49} 50 51audio_module_handle_t AudioInputDescriptor::getModuleHandle() const 52{ 53 if (mProfile == 0) { 54 return 0; 55 } 56 return mProfile->getModuleHandle(); 57} 58 59void AudioInputDescriptor::changeOpenRefCount(int delta) 60{ 61 if ((delta + (int)mOpenRefCount) < 0) { 62 ALOGW("changeOpenRefCount() invalid delta %d, refCount %d", delta, mOpenRefCount); 63 mOpenRefCount = 0; 64 return; 65 } 66 mOpenRefCount += delta; 67 ALOGV("changeOpenRefCount() count %d", mOpenRefCount); 68} 69 70uint32_t AudioInputDescriptor::getOpenRefCount() const 71{ 72 return mOpenRefCount; 73} 74 75audio_port_handle_t AudioInputDescriptor::getId() const 76{ 77 return mId; 78} 79 80void AudioInputDescriptor::toAudioPortConfig(struct audio_port_config *dstConfig, 81 const struct audio_port_config *srcConfig) const 82{ 83 ALOG_ASSERT(mProfile != 0, 84 "toAudioPortConfig() called on input with null profile %d", mIoHandle); 85 dstConfig->config_mask = AUDIO_PORT_CONFIG_SAMPLE_RATE|AUDIO_PORT_CONFIG_CHANNEL_MASK| 86 AUDIO_PORT_CONFIG_FORMAT|AUDIO_PORT_CONFIG_GAIN; 87 if (srcConfig != NULL) { 88 dstConfig->config_mask |= srcConfig->config_mask; 89 } 90 91 AudioPortConfig::toAudioPortConfig(dstConfig, srcConfig); 92 93 dstConfig->id = mId; 94 dstConfig->role = AUDIO_PORT_ROLE_SINK; 95 dstConfig->type = AUDIO_PORT_TYPE_MIX; 96 dstConfig->ext.mix.hw_module = getModuleHandle(); 97 dstConfig->ext.mix.handle = mIoHandle; 98 dstConfig->ext.mix.usecase.source = mInputSource; 99} 100 101void AudioInputDescriptor::toAudioPort(struct audio_port *port) const 102{ 103 ALOG_ASSERT(mProfile != 0, "toAudioPort() called on input with null profile %d", mIoHandle); 104 105 mProfile->toAudioPort(port); 106 port->id = mId; 107 toAudioPortConfig(&port->active_config); 108 port->ext.mix.hw_module = getModuleHandle(); 109 port->ext.mix.handle = mIoHandle; 110 port->ext.mix.latency_class = AUDIO_LATENCY_NORMAL; 111} 112 113void AudioInputDescriptor::setPreemptedSessions(const SortedVector<audio_session_t>& sessions) 114{ 115 mPreemptedSessions = sessions; 116} 117 118SortedVector<audio_session_t> AudioInputDescriptor::getPreemptedSessions() const 119{ 120 return mPreemptedSessions; 121} 122 123bool AudioInputDescriptor::hasPreemptedSession(audio_session_t session) const 124{ 125 return (mPreemptedSessions.indexOf(session) >= 0); 126} 127 128void AudioInputDescriptor::clearPreemptedSessions() 129{ 130 mPreemptedSessions.clear(); 131} 132 133status_t AudioInputDescriptor::dump(int fd) 134{ 135 const size_t SIZE = 256; 136 char buffer[SIZE]; 137 String8 result; 138 139 snprintf(buffer, SIZE, " ID: %d\n", getId()); 140 result.append(buffer); 141 snprintf(buffer, SIZE, " Sampling rate: %d\n", mSamplingRate); 142 result.append(buffer); 143 snprintf(buffer, SIZE, " Format: %d\n", mFormat); 144 result.append(buffer); 145 snprintf(buffer, SIZE, " Channels: %08x\n", mChannelMask); 146 result.append(buffer); 147 snprintf(buffer, SIZE, " Devices %08x\n", mDevice); 148 result.append(buffer); 149 snprintf(buffer, SIZE, " Ref Count %d\n", mRefCount); 150 result.append(buffer); 151 snprintf(buffer, SIZE, " Open Ref Count %d\n", mOpenRefCount); 152 result.append(buffer); 153 154 write(fd, result.string(), result.size()); 155 156 return NO_ERROR; 157} 158 159bool AudioInputCollection::isSourceActive(audio_source_t source) const 160{ 161 for (size_t i = 0; i < size(); i++) { 162 const sp<AudioInputDescriptor> inputDescriptor = valueAt(i); 163 if (inputDescriptor->mRefCount == 0) { 164 continue; 165 } 166 if (inputDescriptor->mInputSource == (int)source) { 167 return true; 168 } 169 } 170 return false; 171} 172 173sp<AudioInputDescriptor> AudioInputCollection::getInputFromId(audio_port_handle_t id) const 174{ 175 sp<AudioInputDescriptor> inputDesc = NULL; 176 for (size_t i = 0; i < size(); i++) { 177 inputDesc = valueAt(i); 178 if (inputDesc->getId() == id) { 179 break; 180 } 181 } 182 return inputDesc; 183} 184 185uint32_t AudioInputCollection::activeInputsCount() const 186{ 187 uint32_t count = 0; 188 for (size_t i = 0; i < size(); i++) { 189 const sp<AudioInputDescriptor> desc = valueAt(i); 190 if (desc->mRefCount > 0) { 191 count++; 192 } 193 } 194 return count; 195} 196 197audio_io_handle_t AudioInputCollection::getActiveInput(bool ignoreVirtualInputs) 198{ 199 for (size_t i = 0; i < size(); i++) { 200 const sp<AudioInputDescriptor> input_descriptor = valueAt(i); 201 if ((input_descriptor->mRefCount > 0) 202 && (!ignoreVirtualInputs || !is_virtual_input_device(input_descriptor->mDevice))) { 203 return keyAt(i); 204 } 205 } 206 return 0; 207} 208 209audio_devices_t AudioInputCollection::getSupportedDevices(audio_io_handle_t handle) const 210{ 211 sp<AudioInputDescriptor> inputDesc = valueFor(handle); 212 audio_devices_t devices = inputDesc->mProfile->getSupportedDevicesType(); 213 return devices; 214} 215 216status_t AudioInputCollection::dump(int fd) const 217{ 218 const size_t SIZE = 256; 219 char buffer[SIZE]; 220 221 snprintf(buffer, SIZE, "\nInputs dump:\n"); 222 write(fd, buffer, strlen(buffer)); 223 for (size_t i = 0; i < size(); i++) { 224 snprintf(buffer, SIZE, "- Input %d dump:\n", keyAt(i)); 225 write(fd, buffer, strlen(buffer)); 226 valueAt(i)->dump(fd); 227 } 228 229 return NO_ERROR; 230} 231 232}; //namespace android 233