| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #define LOG_TAG "APM::AudioInputDescriptor" |
| //#define LOG_NDEBUG 0 |
| |
| #include <AudioPolicyInterface.h> |
| #include "AudioInputDescriptor.h" |
| #include "IOProfile.h" |
| #include "AudioGain.h" |
| #include "AudioPolicyMix.h" |
| #include "HwModule.h" |
| #include <media/AudioPolicy.h> |
| #include <policy.h> |
| |
| namespace android { |
| |
| AudioInputDescriptor::AudioInputDescriptor(const sp<IOProfile>& profile, |
| AudioPolicyClientInterface *clientInterface) |
| : mIoHandle(0), |
| mDevice(AUDIO_DEVICE_NONE), mPolicyMix(NULL), |
| mProfile(profile), mPatchHandle(AUDIO_PATCH_HANDLE_NONE), mId(0), |
| mClientInterface(clientInterface) |
| { |
| if (profile != NULL) { |
| profile->pickAudioProfile(mSamplingRate, mChannelMask, mFormat); |
| if (profile->mGains.size() > 0) { |
| profile->mGains[0]->getDefaultConfig(&mGain); |
| } |
| } |
| } |
| |
| audio_module_handle_t AudioInputDescriptor::getModuleHandle() const |
| { |
| if (mProfile == 0) { |
| return AUDIO_MODULE_HANDLE_NONE; |
| } |
| return mProfile->getModuleHandle(); |
| } |
| |
| uint32_t AudioInputDescriptor::getOpenRefCount() const |
| { |
| return mSessions.getOpenCount(); |
| } |
| |
| audio_port_handle_t AudioInputDescriptor::getId() const |
| { |
| return mId; |
| } |
| |
| audio_source_t AudioInputDescriptor::inputSource(bool activeOnly) const |
| { |
| return getHighestPrioritySource(activeOnly); |
| } |
| |
| void AudioInputDescriptor::toAudioPortConfig(struct audio_port_config *dstConfig, |
| const struct audio_port_config *srcConfig) const |
| { |
| ALOG_ASSERT(mProfile != 0, |
| "toAudioPortConfig() called on input with null profile %d", mIoHandle); |
| dstConfig->config_mask = AUDIO_PORT_CONFIG_SAMPLE_RATE|AUDIO_PORT_CONFIG_CHANNEL_MASK| |
| AUDIO_PORT_CONFIG_FORMAT|AUDIO_PORT_CONFIG_GAIN; |
| if (srcConfig != NULL) { |
| dstConfig->config_mask |= srcConfig->config_mask; |
| } |
| |
| AudioPortConfig::toAudioPortConfig(dstConfig, srcConfig); |
| |
| dstConfig->id = mId; |
| dstConfig->role = AUDIO_PORT_ROLE_SINK; |
| dstConfig->type = AUDIO_PORT_TYPE_MIX; |
| dstConfig->ext.mix.hw_module = getModuleHandle(); |
| dstConfig->ext.mix.handle = mIoHandle; |
| dstConfig->ext.mix.usecase.source = inputSource(); |
| } |
| |
| void AudioInputDescriptor::toAudioPort(struct audio_port *port) const |
| { |
| ALOG_ASSERT(mProfile != 0, "toAudioPort() called on input with null profile %d", mIoHandle); |
| |
| mProfile->toAudioPort(port); |
| port->id = mId; |
| toAudioPortConfig(&port->active_config); |
| port->ext.mix.hw_module = getModuleHandle(); |
| port->ext.mix.handle = mIoHandle; |
| port->ext.mix.latency_class = AUDIO_LATENCY_NORMAL; |
| } |
| |
| void AudioInputDescriptor::setPreemptedSessions(const SortedVector<audio_session_t>& sessions) |
| { |
| mPreemptedSessions = sessions; |
| } |
| |
| SortedVector<audio_session_t> AudioInputDescriptor::getPreemptedSessions() const |
| { |
| return mPreemptedSessions; |
| } |
| |
| bool AudioInputDescriptor::hasPreemptedSession(audio_session_t session) const |
| { |
| return (mPreemptedSessions.indexOf(session) >= 0); |
| } |
| |
| void AudioInputDescriptor::clearPreemptedSessions() |
| { |
| mPreemptedSessions.clear(); |
| } |
| |
| bool AudioInputDescriptor::isActive() const { |
| return mSessions.hasActiveSession(); |
| } |
| |
| bool AudioInputDescriptor::isSourceActive(audio_source_t source) const |
| { |
| return mSessions.isSourceActive(source); |
| } |
| |
| audio_source_t AudioInputDescriptor::getHighestPrioritySource(bool activeOnly) const |
| { |
| |
| return mSessions.getHighestPrioritySource(activeOnly); |
| } |
| |
| bool AudioInputDescriptor::isSoundTrigger() const { |
| // sound trigger and non sound trigger sessions are not mixed |
| // on a given input |
| return mSessions.valueAt(0)->isSoundTrigger(); |
| } |
| |
| sp<AudioSession> AudioInputDescriptor::getAudioSession( |
| audio_session_t session) const { |
| return mSessions.valueFor(session); |
| } |
| |
| AudioSessionCollection AudioInputDescriptor::getAudioSessions(bool activeOnly) const |
| { |
| if (activeOnly) { |
| return mSessions.getActiveSessions(); |
| } else { |
| return mSessions; |
| } |
| } |
| |
| size_t AudioInputDescriptor::getAudioSessionCount(bool activeOnly) const |
| { |
| if (activeOnly) { |
| return mSessions.getActiveSessionCount(); |
| } else { |
| return mSessions.size(); |
| } |
| } |
| |
| status_t AudioInputDescriptor::addAudioSession(audio_session_t session, |
| const sp<AudioSession>& audioSession) { |
| return mSessions.addSession(session, audioSession, /*AudioSessionInfoProvider*/this); |
| } |
| |
| status_t AudioInputDescriptor::removeAudioSession(audio_session_t session) { |
| return mSessions.removeSession(session); |
| } |
| |
| audio_patch_handle_t AudioInputDescriptor::getPatchHandle() const |
| { |
| return mPatchHandle; |
| } |
| |
| void AudioInputDescriptor::setPatchHandle(audio_patch_handle_t handle) |
| { |
| mPatchHandle = handle; |
| mSessions.onSessionInfoUpdate(); |
| } |
| |
| audio_config_base_t AudioInputDescriptor::getConfig() const |
| { |
| const audio_config_base_t config = { .sample_rate = mSamplingRate, .channel_mask = mChannelMask, |
| .format = mFormat }; |
| return config; |
| } |
| |
| status_t AudioInputDescriptor::open(const audio_config_t *config, |
| audio_devices_t device, |
| const String8& address, |
| audio_source_t source, |
| audio_input_flags_t flags, |
| audio_io_handle_t *input) |
| { |
| audio_config_t lConfig; |
| if (config == nullptr) { |
| lConfig = AUDIO_CONFIG_INITIALIZER; |
| lConfig.sample_rate = mSamplingRate; |
| lConfig.channel_mask = mChannelMask; |
| lConfig.format = mFormat; |
| } else { |
| lConfig = *config; |
| } |
| |
| mDevice = device; |
| |
| ALOGV("opening input for device %08x address %s profile %p name %s", |
| mDevice, address.string(), mProfile.get(), mProfile->getName().string()); |
| |
| status_t status = mClientInterface->openInput(mProfile->getModuleHandle(), |
| input, |
| &lConfig, |
| &mDevice, |
| address, |
| source, |
| flags); |
| LOG_ALWAYS_FATAL_IF(mDevice != device, |
| "%s openInput returned device %08x when given device %08x", |
| __FUNCTION__, mDevice, device); |
| |
| if (status == NO_ERROR) { |
| LOG_ALWAYS_FATAL_IF(*input == AUDIO_IO_HANDLE_NONE, |
| "%s openInput returned input handle %d for device %08x", |
| __FUNCTION__, *input, device); |
| mSamplingRate = lConfig.sample_rate; |
| mChannelMask = lConfig.channel_mask; |
| mFormat = lConfig.format; |
| mId = AudioPort::getNextUniqueId(); |
| mIoHandle = *input; |
| mProfile->curOpenCount++; |
| } |
| |
| return status; |
| } |
| |
| status_t AudioInputDescriptor::start() |
| { |
| if (getAudioSessionCount(true/*activeOnly*/) == 1) { |
| if (!mProfile->canStartNewIo()) { |
| ALOGI("%s mProfile->curActiveCount %d", __func__, mProfile->curActiveCount); |
| return INVALID_OPERATION; |
| } |
| mProfile->curActiveCount++; |
| } |
| return NO_ERROR; |
| } |
| |
| void AudioInputDescriptor::stop() |
| { |
| if (!isActive()) { |
| LOG_ALWAYS_FATAL_IF(mProfile->curActiveCount < 1, |
| "%s invalid profile active count %u", |
| __func__, mProfile->curActiveCount); |
| mProfile->curActiveCount--; |
| } |
| } |
| |
| void AudioInputDescriptor::close() |
| { |
| if (mIoHandle != AUDIO_IO_HANDLE_NONE) { |
| mClientInterface->closeInput(mIoHandle); |
| LOG_ALWAYS_FATAL_IF(mProfile->curOpenCount < 1, "%s profile open count %u", |
| __FUNCTION__, mProfile->curOpenCount); |
| // do not call stop() here as stop() is supposed to be called after |
| // AudioSession::changeActiveCount(-1) and we don't know how many sessions |
| // are still active at this time |
| if (isActive()) { |
| mProfile->curActiveCount--; |
| } |
| mProfile->curOpenCount--; |
| mIoHandle = AUDIO_IO_HANDLE_NONE; |
| } |
| } |
| |
| status_t AudioInputDescriptor::dump(int fd) |
| { |
| const size_t SIZE = 256; |
| char buffer[SIZE]; |
| String8 result; |
| |
| snprintf(buffer, SIZE, " ID: %d\n", getId()); |
| result.append(buffer); |
| snprintf(buffer, SIZE, " Sampling rate: %d\n", mSamplingRate); |
| result.append(buffer); |
| snprintf(buffer, SIZE, " Format: %d\n", mFormat); |
| result.append(buffer); |
| snprintf(buffer, SIZE, " Channels: %08x\n", mChannelMask); |
| result.append(buffer); |
| snprintf(buffer, SIZE, " Devices %08x\n", mDevice); |
| result.append(buffer); |
| |
| write(fd, result.string(), result.size()); |
| |
| mSessions.dump(fd, 1); |
| |
| return NO_ERROR; |
| } |
| |
| bool AudioInputCollection::isSourceActive(audio_source_t source) const |
| { |
| for (size_t i = 0; i < size(); i++) { |
| const sp<AudioInputDescriptor> inputDescriptor = valueAt(i); |
| if (inputDescriptor->isSourceActive(source)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| sp<AudioInputDescriptor> AudioInputCollection::getInputFromId(audio_port_handle_t id) const |
| { |
| sp<AudioInputDescriptor> inputDesc = NULL; |
| for (size_t i = 0; i < size(); i++) { |
| inputDesc = valueAt(i); |
| if (inputDesc->getId() == id) { |
| break; |
| } |
| } |
| return inputDesc; |
| } |
| |
| uint32_t AudioInputCollection::activeInputsCountOnDevices(audio_devices_t devices) const |
| { |
| uint32_t count = 0; |
| for (size_t i = 0; i < size(); i++) { |
| const sp<AudioInputDescriptor> inputDescriptor = valueAt(i); |
| if (inputDescriptor->isActive() && |
| ((devices == AUDIO_DEVICE_IN_DEFAULT) || |
| ((inputDescriptor->mDevice & devices & ~AUDIO_DEVICE_BIT_IN) != 0))) { |
| count++; |
| } |
| } |
| return count; |
| } |
| |
| Vector<sp <AudioInputDescriptor> > AudioInputCollection::getActiveInputs(bool ignoreVirtualInputs) |
| { |
| Vector<sp <AudioInputDescriptor> > activeInputs; |
| |
| for (size_t i = 0; i < size(); i++) { |
| const sp<AudioInputDescriptor> inputDescriptor = valueAt(i); |
| if ((inputDescriptor->isActive()) |
| && (!ignoreVirtualInputs || |
| !is_virtual_input_device(inputDescriptor->mDevice))) { |
| activeInputs.add(inputDescriptor); |
| } |
| } |
| return activeInputs; |
| } |
| |
| audio_devices_t AudioInputCollection::getSupportedDevices(audio_io_handle_t handle) const |
| { |
| sp<AudioInputDescriptor> inputDesc = valueFor(handle); |
| audio_devices_t devices = inputDesc->mProfile->getSupportedDevicesType(); |
| return devices; |
| } |
| |
| status_t AudioInputCollection::dump(int fd) const |
| { |
| const size_t SIZE = 256; |
| char buffer[SIZE]; |
| |
| snprintf(buffer, SIZE, "\nInputs dump:\n"); |
| write(fd, buffer, strlen(buffer)); |
| for (size_t i = 0; i < size(); i++) { |
| snprintf(buffer, SIZE, "- Input %d dump:\n", keyAt(i)); |
| write(fd, buffer, strlen(buffer)); |
| valueAt(i)->dump(fd); |
| } |
| |
| return NO_ERROR; |
| } |
| |
| }; //namespace android |
