| /* |
| * Copyright (c) 2019-2021, The Linux Foundation. All rights reserved. |
| * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * * Neither the name of The Linux Foundation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #define LOG_TAG "PAL: StreamCommon" |
| #define RXDIR 0 |
| #define TXDIR 1 |
| |
| #include "StreamCommon.h" |
| #include "Session.h" |
| #include "kvh2xml.h" |
| #include "SessionAlsaPcm.h" |
| #include "ResourceManager.h" |
| #include "Device.h" |
| #include <unistd.h> |
| |
| StreamCommon::StreamCommon(const struct pal_stream_attributes *sattr, struct pal_device *dattr, |
| const uint32_t no_of_devices, const struct modifier_kv *modifiers, |
| const uint32_t no_of_modifiers, const std::shared_ptr<ResourceManager> rm) |
| { |
| mStreamMutex.lock(); |
| uint32_t in_channels = 0, out_channels = 0; |
| uint32_t attribute_size = 0; |
| |
| if (rm->cardState == CARD_STATUS_OFFLINE) { |
| PAL_ERR(LOG_TAG, "Error:Sound card offline, can not create stream"); |
| usleep(SSR_RECOVERY); |
| mStreamMutex.unlock(); |
| throw std::runtime_error("Sound card offline"); |
| } |
| |
| session = NULL; |
| mGainLevel = -1; |
| std::shared_ptr<Device> dev = nullptr; |
| mStreamAttr = (struct pal_stream_attributes *)nullptr; |
| mDevices.clear(); |
| currentState = STREAM_IDLE; |
| //Modify cached values only at time of SSR down. |
| cachedState = STREAM_IDLE; |
| cookie_ = 0; |
| bool isDeviceConfigUpdated = false; |
| |
| PAL_DBG(LOG_TAG, "Enter"); |
| |
| //TBD handle modifiers later |
| mNoOfModifiers = 0; //no_of_modifiers; |
| mModifiers = (struct modifier_kv *) (NULL); |
| std::ignore = modifiers; |
| std::ignore = no_of_modifiers; |
| |
| if (!sattr) { |
| PAL_ERR(LOG_TAG,"Error:invalid arguments"); |
| mStreamMutex.unlock(); |
| throw std::runtime_error("invalid arguments"); |
| } |
| |
| attribute_size = sizeof(struct pal_stream_attributes); |
| mStreamAttr = (struct pal_stream_attributes *) calloc(1, attribute_size); |
| if (!mStreamAttr) { |
| PAL_ERR(LOG_TAG, "Error:malloc for stream attributes failed %s", strerror(errno)); |
| mStreamMutex.unlock(); |
| throw std::runtime_error("failed to malloc for stream attributes"); |
| } |
| |
| memcpy(mStreamAttr, sattr, sizeof(pal_stream_attributes)); |
| |
| if (mStreamAttr->in_media_config.ch_info.channels > PAL_MAX_CHANNELS_SUPPORTED) { |
| PAL_ERR(LOG_TAG,"Error:in_channels is invalid %d", in_channels); |
| mStreamAttr->in_media_config.ch_info.channels = PAL_MAX_CHANNELS_SUPPORTED; |
| } |
| if (mStreamAttr->out_media_config.ch_info.channels > PAL_MAX_CHANNELS_SUPPORTED) { |
| PAL_ERR(LOG_TAG,"Error:out_channels is invalid %d", out_channels); |
| mStreamAttr->out_media_config.ch_info.channels = PAL_MAX_CHANNELS_SUPPORTED; |
| } |
| |
| PAL_VERBOSE(LOG_TAG, "Create new Session for stream type %d", sattr->type); |
| session = Session::makeSession(rm, sattr); |
| if (!session) { |
| PAL_ERR(LOG_TAG, "Error:session creation failed"); |
| free(mStreamAttr); |
| mStreamMutex.unlock(); |
| throw std::runtime_error("failed to create session object"); |
| } |
| |
| PAL_VERBOSE(LOG_TAG, "Create new Devices with no_of_devices - %d", no_of_devices); |
| /* update handset/speaker sample rate for UPD with shared backend */ |
| if ((sattr->type == PAL_STREAM_ULTRASOUND) && !rm->IsDedicatedBEForUPDEnabled()) { |
| struct pal_device devAttr = {}; |
| struct pal_device_info inDeviceInfo; |
| pal_device_id_t upd_dev[] = {PAL_DEVICE_OUT_SPEAKER, PAL_DEVICE_OUT_HANDSET}; |
| for (int i = 0; i < sizeof(upd_dev)/sizeof(upd_dev[0]); i++) { |
| devAttr.id = upd_dev[i]; |
| dev = Device::getInstance(&devAttr, rm); |
| if (!dev) |
| continue; |
| rm->getDeviceInfo(devAttr.id, sattr->type, "", &inDeviceInfo); |
| dev->setSampleRate(inDeviceInfo.samplerate); |
| } |
| } |
| for (int i = 0; i < no_of_devices; i++) { |
| //Check with RM if the configuration given can work or not |
| //for e.g., if incoming stream needs 24 bit device thats also |
| //being used by another stream, then the other stream should route |
| |
| dev = Device::getInstance((struct pal_device *)&dattr[i] , rm); |
| if (!dev) { |
| PAL_ERR(LOG_TAG, "Error:Device creation failed"); |
| free(mStreamAttr); |
| |
| //TBD::free session too |
| mStreamMutex.unlock(); |
| throw std::runtime_error("failed to create device object"); |
| } |
| dev->insertStreamDeviceAttr(&dattr[i], this); |
| mPalDevices.push_back(dev); |
| mStreamMutex.unlock(); |
| isDeviceConfigUpdated = rm->updateDeviceConfig(&dev, &dattr[i], sattr); |
| mStreamMutex.lock(); |
| |
| if (isDeviceConfigUpdated) |
| PAL_VERBOSE(LOG_TAG, "Device config updated"); |
| |
| /* Create only update device attributes first time so update here using set*/ |
| /* this will have issues if same device is being currently used by different stream */ |
| mDevices.push_back(dev); |
| } |
| |
| mStreamMutex.unlock(); |
| PAL_DBG(LOG_TAG, "Exit. state %d", currentState); |
| return; |
| } |
| |
| StreamCommon::~StreamCommon() |
| { |
| pal_stream_type_t type = PAL_STREAM_MAX; |
| |
| PAL_DBG(LOG_TAG, "Enter"); |
| cachedState = STREAM_IDLE; |
| |
| /* remove the device-stream attribute entry for the stopped stream */ |
| for (int32_t i=0; i < mPalDevices.size(); i++) |
| mPalDevices[i]->removeStreamDeviceAttr(this); |
| |
| if (mStreamAttr) { |
| type = mStreamAttr->type; |
| free(mStreamAttr); |
| mStreamAttr = (struct pal_stream_attributes *)NULL; |
| } |
| |
| /* restore handset/speaker sample rate to default for UPD with shared backend */ |
| if ((type == PAL_STREAM_ULTRASOUND) && !rm->IsDedicatedBEForUPDEnabled()) { |
| std::shared_ptr<Device> dev = nullptr; |
| struct pal_device devAttr = {}; |
| pal_device_id_t upd_dev[] = {PAL_DEVICE_OUT_SPEAKER, PAL_DEVICE_OUT_HANDSET}; |
| for (int i = 0; i < sizeof(upd_dev)/sizeof(upd_dev[0]); i++) { |
| devAttr.id = upd_dev[i]; |
| dev = Device::getInstance(&devAttr, rm); |
| if (!dev) |
| continue; |
| dev->setSampleRate(0); |
| } |
| } |
| |
| /*switch back to proper config if there is a concurrency and device is still running*/ |
| for (int32_t i=0; i < mDevices.size(); i++) |
| rm->restoreDevice(mDevices[i]); |
| |
| mDevices.clear(); |
| mPalDevices.clear(); |
| delete session; |
| session = nullptr; |
| PAL_DBG(LOG_TAG, "Exit"); |
| } |
| |
| int32_t StreamCommon::open() |
| { |
| int32_t status = 0; |
| |
| PAL_DBG(LOG_TAG, "Enter. session handle - %pK device count - %zu", session, |
| mDevices.size()); |
| |
| mStreamMutex.lock(); |
| if (rm->cardState == CARD_STATUS_OFFLINE) { |
| PAL_ERR(LOG_TAG, "Error:Sound card offline, can not open stream"); |
| usleep(SSR_RECOVERY); |
| status = -EIO; |
| goto exit; |
| } |
| |
| if (currentState == STREAM_IDLE) { |
| for (int32_t i = 0; i < mDevices.size(); i++) { |
| status = mDevices[i]->open(); |
| if (0 != status) { |
| PAL_ERR(LOG_TAG, "Error:device open failed with status %d", status); |
| goto exit; |
| } |
| } |
| |
| status = session->open(this); |
| if (0 != status) { |
| PAL_ERR(LOG_TAG, "Error:session open failed with status %d", status); |
| goto exit; |
| } |
| PAL_VERBOSE(LOG_TAG, "session open successful"); |
| currentState = STREAM_INIT; |
| PAL_DBG(LOG_TAG, "streamLL opened. state %d", currentState); |
| } else if (currentState == STREAM_INIT) { |
| PAL_INFO(LOG_TAG, "Stream is already opened, state %d", currentState); |
| status = 0; |
| goto exit; |
| } else { |
| PAL_ERR(LOG_TAG, "Error:Stream is not in correct state %d", currentState); |
| //TBD : which error code to return here. |
| status = -EINVAL; |
| goto exit; |
| } |
| exit: |
| mStreamMutex.unlock(); |
| PAL_DBG(LOG_TAG, "Exit ret %d", status) |
| return status; |
| } |
| |
| //TBD: move this to Stream, why duplicate code? |
| int32_t StreamCommon::close() |
| { |
| int32_t status = 0; |
| mStreamMutex.lock(); |
| |
| if (currentState == STREAM_IDLE) { |
| PAL_INFO(LOG_TAG, "Stream is already closed"); |
| mStreamMutex.unlock(); |
| return status; |
| } |
| |
| PAL_DBG(LOG_TAG, "Enter. session handle - %pK device count - %zu stream_type - %d state %d", |
| session, mDevices.size(), mStreamAttr->type, currentState); |
| |
| if (currentState == STREAM_STARTED || currentState == STREAM_PAUSED) { |
| mStreamMutex.unlock(); |
| status = stop(); |
| if (0 != status) |
| PAL_ERR(LOG_TAG, "Error:stream stop failed. status %d", status); |
| mStreamMutex.lock(); |
| } |
| |
| rm->lockGraph(); |
| status = session->close(this); |
| rm->unlockGraph(); |
| if (0 != status) { |
| PAL_ERR(LOG_TAG, "Error:session close failed with status %d", status); |
| } |
| |
| for (int32_t i = 0; i < mDevices.size(); i++) { |
| status = mDevices[i]->close(); |
| if (0 != status) { |
| PAL_ERR(LOG_TAG, "Error:device close is failed with status %d", status); |
| } |
| } |
| PAL_VERBOSE(LOG_TAG, "closed the devices successfully"); |
| currentState = STREAM_IDLE; |
| rm->checkAndSetDutyCycleParam(); |
| |
| mStreamMutex.unlock(); |
| |
| PAL_DBG(LOG_TAG, "Exit. closed the stream successfully %d status %d", |
| currentState, status); |
| return status; |
| } |
| |
| //TBD: move this to Stream, why duplicate code? |
| int32_t StreamCommon::start() |
| { |
| int32_t status = 0; |
| |
| PAL_DBG(LOG_TAG, "Enter. session handle - %pK mStreamAttr->direction - %d state %d", |
| session, mStreamAttr->direction, currentState); |
| |
| mStreamMutex.lock(); |
| if (rm->cardState == CARD_STATUS_OFFLINE) { |
| cachedState = STREAM_STARTED; |
| PAL_ERR(LOG_TAG, "Error:Sound card offline. Update the cached state %d", |
| cachedState); |
| goto exit; |
| } |
| |
| if (currentState == STREAM_INIT || currentState == STREAM_STOPPED) { |
| rm->lockGraph(); |
| status = start_device(); |
| if (0 != status) { |
| rm->unlockGraph(); |
| goto exit; |
| } |
| PAL_VERBOSE(LOG_TAG, "device started successfully"); |
| status = startSession(); |
| if (0 != status) { |
| rm->unlockGraph(); |
| goto exit; |
| } |
| rm->unlockGraph(); |
| PAL_VERBOSE(LOG_TAG, "session start successful"); |
| |
| /*pcm_open and pcm_start done at once here, |
| *so directly jump to STREAM_STARTED state. |
| */ |
| currentState = STREAM_STARTED; |
| mStreamMutex.unlock(); |
| rm->lockActiveStream(); |
| mStreamMutex.lock(); |
| for (int i = 0; i < mDevices.size(); i++) { |
| rm->registerDevice(mDevices[i], this); |
| } |
| rm->unlockActiveStream(); |
| rm->checkAndSetDutyCycleParam(); |
| } else if (currentState == STREAM_STARTED) { |
| PAL_INFO(LOG_TAG, "Stream already started, state %d", currentState); |
| } else { |
| PAL_ERR(LOG_TAG, "Error:Stream is not opened yet"); |
| status = -EINVAL; |
| } |
| exit: |
| PAL_DBG(LOG_TAG, "Exit. state %d", currentState); |
| mStreamMutex.unlock(); |
| return status; |
| } |
| |
| int32_t StreamCommon::start_device() |
| { |
| int32_t status = 0; |
| for (int32_t i=0; i < mDevices.size(); i++) { |
| status = mDevices[i]->start(); |
| if (0 != status) { |
| PAL_ERR(LOG_TAG, "Error:%s device start is failed with status %d", |
| GET_DIR_STR(mStreamAttr->direction), status); |
| } |
| } |
| return status; |
| } |
| |
| int32_t StreamCommon::startSession() |
| { |
| int32_t status = 0, devStatus = 0; |
| status = session->prepare(this); |
| if (0 != status) { |
| PAL_ERR(LOG_TAG, "Error:%s session prepare is failed with status %d", |
| GET_DIR_STR(mStreamAttr->direction), status); |
| goto session_fail; |
| } |
| PAL_VERBOSE(LOG_TAG, "session prepare successful"); |
| |
| status = session->start(this); |
| if (errno == -ENETRESET) { |
| if (rm->cardState != CARD_STATUS_OFFLINE) { |
| PAL_ERR(LOG_TAG, "Error:Sound card offline, informing RM"); |
| rm->ssrHandler(CARD_STATUS_OFFLINE); |
| } |
| cachedState = STREAM_STARTED; |
| status = 0; |
| goto session_fail; |
| } |
| if (0 != status) { |
| PAL_ERR(LOG_TAG, "Error:%s session start is failed with status %d", |
| GET_DIR_STR(mStreamAttr->direction), status); |
| goto session_fail; |
| } |
| goto exit; |
| |
| session_fail: |
| for (int32_t i=0; i < mDevices.size(); i++) { |
| devStatus = mDevices[i]->stop(); |
| if (devStatus) |
| status = devStatus; |
| } |
| exit: |
| return status; |
| } |
| |
| //TBD: move this to Stream, why duplicate code? |
| int32_t StreamCommon::stop() |
| { |
| int32_t status = 0; |
| |
| mStreamMutex.lock(); |
| PAL_DBG(LOG_TAG, "Enter. session handle - %pK mStreamAttr->direction - %d state %d", |
| session, mStreamAttr->direction, currentState); |
| |
| if (currentState == STREAM_STARTED || currentState == STREAM_PAUSED) { |
| mStreamMutex.unlock(); |
| rm->lockActiveStream(); |
| mStreamMutex.lock(); |
| currentState = STREAM_STOPPED; |
| for (int i = 0; i < mDevices.size(); i++) { |
| rm->deregisterDevice(mDevices[i], this); |
| } |
| rm->unlockActiveStream(); |
| PAL_VERBOSE(LOG_TAG, "In %s, device count - %zu", |
| GET_DIR_STR(mStreamAttr->direction), mDevices.size()); |
| |
| rm->lockGraph(); |
| status = session->stop(this); |
| if (0 != status) { |
| PAL_ERR(LOG_TAG, "Error:%s session stop failed with status %d", |
| GET_DIR_STR(mStreamAttr->direction), status); |
| } |
| PAL_VERBOSE(LOG_TAG, "session stop successful"); |
| for (int32_t i=0; i < mDevices.size(); i++) { |
| status = mDevices[i]->stop(); |
| if (0 != status) { |
| PAL_ERR(LOG_TAG, "Error:%s device stop failed with status %d", |
| GET_DIR_STR(mStreamAttr->direction), status); |
| } |
| } |
| rm->unlockGraph(); |
| PAL_VERBOSE(LOG_TAG, "devices stop successful"); |
| } else if (currentState == STREAM_STOPPED || currentState == STREAM_IDLE) { |
| PAL_INFO(LOG_TAG, "Stream is already in Stopped state %d", currentState); |
| } else { |
| PAL_ERR(LOG_TAG, "Error:Stream should be in start/pause state, %d", currentState); |
| status = -EINVAL; |
| } |
| PAL_DBG(LOG_TAG, "Exit. status %d, state %d", status, currentState); |
| |
| mStreamMutex.unlock(); |
| return status; |
| } |
| |
| int32_t StreamCommon::setVolume(struct pal_volume_data *volume) |
| { |
| int32_t status = 0; |
| uint8_t volSize = 0; |
| |
| PAL_DBG(LOG_TAG, "Enter. session handle - %pK", session); |
| if (!volume || (volume->no_of_volpair == 0)) { |
| PAL_ERR(LOG_TAG, "Invalid arguments"); |
| status = -EINVAL; |
| goto exit; |
| } |
| |
| // if already allocated free and reallocate |
| if (mVolumeData) { |
| free(mVolumeData); |
| mVolumeData = NULL; |
| } |
| |
| volSize = sizeof(uint32_t) + (sizeof(struct pal_channel_vol_kv) * (volume->no_of_volpair)); |
| mVolumeData = (struct pal_volume_data *)calloc(1, volSize); |
| if (!mVolumeData) { |
| status = -ENOMEM; |
| PAL_ERR(LOG_TAG, "failed to calloc for volume data"); |
| goto exit; |
| } |
| |
| /* Allow caching of stream volume as part of mVolumeData |
| * till the pcm_open is not done or if sound card is offline. |
| */ |
| ar_mem_cpy(mVolumeData, volSize, volume, volSize); |
| for (int32_t i=0; i < (mVolumeData->no_of_volpair); i++) { |
| PAL_INFO(LOG_TAG, "Volume payload mask:%x vol:%f", |
| (mVolumeData->volume_pair[i].channel_mask), (mVolumeData->volume_pair[i].vol)); |
| } |
| |
| if (a2dpMuted) { |
| PAL_DBG(LOG_TAG, "a2dp muted, just cache volume update"); |
| goto exit; |
| } |
| |
| if ((rm->cardState == CARD_STATUS_ONLINE) && (currentState != STREAM_IDLE) |
| && (currentState != STREAM_INIT)) { |
| status = session->setConfig(this, CALIBRATION, TAG_STREAM_VOLUME); |
| if (0 != status) { |
| PAL_ERR(LOG_TAG, "session setConfig for VOLUME_TAG failed with status %d", |
| status); |
| goto exit; |
| } |
| } |
| |
| exit: |
| if (volume) { |
| PAL_DBG(LOG_TAG, "Exit. Volume payload No.of vol pair:%d ch mask:%x gain:%f", |
| (volume->no_of_volpair), (volume->volume_pair->channel_mask), |
| (volume->volume_pair->vol)); |
| } |
| return status; |
| } |
| |
| int32_t StreamCommon::registerCallBack(pal_stream_callback cb, uint64_t cookie) |
| { |
| callback_ = cb; |
| cookie_ = cookie; |
| |
| PAL_VERBOSE(LOG_TAG, "callback_ = %pK", callback_); |
| |
| return 0; |
| } |
| |
| int32_t StreamCommon::getTagsWithModuleInfo(size_t *size, uint8_t *payload) |
| { |
| int32_t status = -EINVAL; |
| |
| PAL_DBG(LOG_TAG, "Enter"); |
| if (!payload) { |
| PAL_ERR(LOG_TAG, "payload is NULL"); |
| goto exit; |
| } |
| |
| if (session) |
| status = session->getTagsWithModuleInfo(this, size, payload); |
| else |
| PAL_ERR(LOG_TAG, "session handle is NULL"); |
| |
| exit: |
| return status; |
| } |
| |
| int32_t StreamCommon::ssrDownHandler() |
| { |
| int32_t status = 0; |
| |
| mStreamMutex.lock(); |
| /* Updating cached state here only if it's STREAM_IDLE, |
| * Otherwise we can assume it is updated by hal thread |
| * already. |
| */ |
| if (cachedState == STREAM_IDLE) |
| cachedState = currentState; |
| PAL_DBG(LOG_TAG, "Enter. session handle - %pK cached State %d", |
| session, cachedState); |
| switch (currentState) { |
| case STREAM_INIT: |
| case STREAM_STOPPED: |
| mStreamMutex.unlock(); |
| status = close(); |
| if (0 != status) { |
| PAL_ERR(LOG_TAG, "Error:stream close failed. status %d", status); |
| goto exit; |
| } |
| break; |
| case STREAM_STARTED: |
| case STREAM_PAUSED: |
| mStreamMutex.unlock(); |
| rm->unlockActiveStream(); |
| status = stop(); |
| rm->lockActiveStream(); |
| if (0 != status) |
| PAL_ERR(LOG_TAG, "Error:stream stop failed. status %d", status); |
| status = close(); |
| if (0 != status) { |
| PAL_ERR(LOG_TAG, "Error:stream close failed. status %d", status); |
| goto exit; |
| } |
| break; |
| default: |
| PAL_ERR(LOG_TAG, "Error:stream state is %d, nothing to handle", currentState); |
| mStreamMutex.unlock(); |
| goto exit; |
| } |
| |
| exit : |
| PAL_DBG(LOG_TAG, "Exit, status %d", status); |
| currentState = STREAM_IDLE; |
| return status; |
| } |
| |
| int32_t StreamCommon::ssrUpHandler() |
| { |
| int32_t status = 0; |
| |
| mStreamMutex.lock(); |
| PAL_DBG(LOG_TAG, "Enter. session handle - %pK state %d", |
| session, cachedState); |
| |
| switch (cachedState) { |
| case STREAM_INIT: |
| mStreamMutex.unlock(); |
| status = open(); |
| if (0 != status) { |
| PAL_ERR(LOG_TAG, "Error:stream open failed. status %d", status); |
| goto exit; |
| } |
| break; |
| case STREAM_STARTED: |
| case STREAM_PAUSED: |
| { |
| mStreamMutex.unlock(); |
| status = open(); |
| if (0 != status) { |
| PAL_ERR(LOG_TAG, "Error:stream open failed. status %d", status); |
| goto exit; |
| } |
| rm->unlockActiveStream(); |
| status = start(); |
| rm->lockActiveStream(); |
| if (0 != status) { |
| PAL_ERR(LOG_TAG, "Error:stream start failed. status %d", status); |
| goto exit; |
| } |
| /* For scenario when we get SSR down while handling SSR up, |
| * status will be 0, so we need to have this additonal check |
| * to keep the cached state as STREAM_STARTED. |
| */ |
| if (currentState != STREAM_STARTED) { |
| goto exit; |
| } |
| } |
| break; |
| default: |
| mStreamMutex.unlock(); |
| PAL_ERR(LOG_TAG, "Error:stream not in correct state to handle %d", cachedState); |
| break; |
| } |
| cachedState = STREAM_IDLE; |
| exit : |
| PAL_DBG(LOG_TAG, "Exit, status %d", status); |
| return status; |
| } |