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/* |
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* Copyright (C) 2005-2008 by Pieter Palmers |
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* |
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* This file is part of FFADO |
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* FFADO = Free Firewire (pro-)audio drivers for linux |
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* |
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* FFADO is based upon FreeBoB. |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 2 of the License, or |
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* (at your option) version 3 of the License. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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#include "config.h" |
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#include "StreamProcessorManager.h" |
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#include "generic/StreamProcessor.h" |
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#include "generic/Port.h" |
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#include "libieee1394/cycletimer.h" |
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#include "devicemanager.h" |
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#include "libutil/Time.h" |
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#include <errno.h> |
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#include <assert.h> |
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#include <math.h> |
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namespace Streaming { |
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IMPL_DEBUG_MODULE( StreamProcessorManager, StreamProcessorManager, DEBUG_LEVEL_VERBOSE ); |
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|
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StreamProcessorManager::StreamProcessorManager(DeviceManager &p) |
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: m_time_of_transfer ( 0 ) |
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#ifdef DEBUG |
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, m_time_of_transfer2 ( 0 ) |
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#endif |
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, m_is_slave( false ) |
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, m_SyncSource(NULL) |
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, m_parent( p ) |
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, m_xrun_happened( false ) |
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, m_activity_wait_timeout_nsec( 0 ) // dynamically set |
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, m_nb_buffers( 0 ) |
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, m_period( 0 ) |
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, m_sync_delay( 0 ) |
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, m_audio_datatype( eADT_Float ) |
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, m_nominal_framerate ( 0 ) |
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, m_xruns(0) |
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, m_shutdown_needed(false) |
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, m_nbperiods(0) |
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, m_WaitLock( new Util::PosixMutex("SPMWAIT") ) |
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{ |
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addOption(Util::OptionContainer::Option("slaveMode",false)); |
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sem_init(&m_activity_semaphore, 0, 0); |
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} |
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StreamProcessorManager::StreamProcessorManager(DeviceManager &p, unsigned int period, |
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unsigned int framerate, unsigned int nb_buffers) |
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: m_time_of_transfer ( 0 ) |
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#ifdef DEBUG |
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, m_time_of_transfer2 ( 0 ) |
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#endif |
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, m_is_slave( false ) |
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, m_SyncSource(NULL) |
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, m_parent( p ) |
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, m_xrun_happened( false ) |
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, m_activity_wait_timeout_nsec( 0 ) // dynamically set |
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, m_nb_buffers(nb_buffers) |
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, m_period(period) |
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, m_sync_delay( 0 ) |
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, m_audio_datatype( eADT_Float ) |
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, m_nominal_framerate ( framerate ) |
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, m_xruns(0) |
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, m_shutdown_needed(false) |
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, m_nbperiods(0) |
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, m_WaitLock( new Util::PosixMutex("SPMWAIT") ) |
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{ |
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addOption(Util::OptionContainer::Option("slaveMode",false)); |
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sem_init(&m_activity_semaphore, 0, 0); |
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} |
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StreamProcessorManager::~StreamProcessorManager() { |
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sem_post(&m_activity_semaphore); |
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sem_destroy(&m_activity_semaphore); |
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delete m_WaitLock; |
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} |
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// void |
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// StreamProcessorManager::handleBusReset(Ieee1394Service &s) |
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// { |
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// // debugOutput( DEBUG_LEVEL_VERBOSE, "(%p) Handle bus reset on service %p...\n", this, &s); |
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// // |
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// // bool handled_at_least_one = false; |
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// // // note that all receive streams are gone once a device is unplugged |
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// // |
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// // // synchronize with the wait lock |
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// // Util::MutexLockHelper lock(*m_WaitLock); |
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// // |
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// // debugOutput( DEBUG_LEVEL_VERBOSE, "(%p) got wait lock...\n", this); |
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// // // cause all SP's to bail out |
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// // for ( StreamProcessorVectorIterator it = m_ReceiveProcessors.begin(); |
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// // it != m_ReceiveProcessors.end(); |
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// // ++it ) |
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// // { |
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// // if(&s == &((*it)->getParent().get1394Service())) { |
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// // debugOutput(DEBUG_LEVEL_NORMAL, |
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// // "issue busreset on receive SPM on channel %d\n", |
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// // (*it)->getChannel()); |
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// // (*it)->handleBusReset(); |
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// // handled_at_least_one = true; |
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// // } else { |
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// // debugOutput(DEBUG_LEVEL_NORMAL, |
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// // "skipping receive SPM on channel %d since not on service %p\n", |
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// // (*it)->getChannel(), &s); |
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// // } |
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// // } |
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// // for ( StreamProcessorVectorIterator it = m_TransmitProcessors.begin(); |
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// // it != m_TransmitProcessors.end(); |
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// // ++it ) |
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// // { |
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// // if(&s == &((*it)->getParent().get1394Service())) { |
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// // debugOutput(DEBUG_LEVEL_NORMAL, |
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// // "issue busreset on transmit SPM on channel %d\n", |
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// // (*it)->getChannel()); |
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// // (*it)->handleBusReset(); |
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// // handled_at_least_one = true; |
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// // } else { |
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// // debugOutput(DEBUG_LEVEL_NORMAL, |
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// // "skipping transmit SPM on channel %d since not on service %p\n", |
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// // (*it)->getChannel(), &s); |
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// // } |
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// // } |
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// // |
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// // // FIXME: we request shutdown for now. |
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// // m_shutdown_needed = handled_at_least_one; |
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// } |
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void |
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StreamProcessorManager::signalActivity() |
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{ |
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sem_post(&m_activity_semaphore); |
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debugOutputExtreme(DEBUG_LEVEL_VERBOSE,"%p activity\n", this); |
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} |
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enum StreamProcessorManager::eActivityResult |
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StreamProcessorManager::waitForActivity() |
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{ |
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debugOutputExtreme(DEBUG_LEVEL_VERBOSE,"%p waiting for activity\n", this); |
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struct timespec ts; |
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int result; |
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if (m_activity_wait_timeout_nsec >= 0) { |
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if (clock_gettime(CLOCK_REALTIME, &ts) == -1) { |
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debugError("clock_gettime failed\n"); |
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return eAR_Error; |
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} |
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ts.tv_nsec += m_activity_wait_timeout_nsec; |
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while(ts.tv_nsec >= 1000000000LL) { |
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ts.tv_sec += 1; |
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ts.tv_nsec -= 1000000000LL; |
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} |
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} |
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if (m_activity_wait_timeout_nsec >= 0) { |
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result = sem_timedwait(&m_activity_semaphore, &ts); |
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} else { |
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result = sem_wait(&m_activity_semaphore); |
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} |
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if(result != 0) { |
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if (errno == ETIMEDOUT) { |
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debugOutput(DEBUG_LEVEL_VERBOSE, |
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"(%p) sem_timedwait() timed out (result=%d)\n", |
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this, result); |
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return eAR_Timeout; |
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} else if (errno == EINTR) { |
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debugOutput(DEBUG_LEVEL_VERBOSE, |
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"(%p) sem_[timed]wait() interrupted by signal (result=%d)\n", |
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this, result); |
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return eAR_Interrupted; |
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} else if (errno == EINVAL) { |
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debugError("(%p) sem_[timed]wait error (result=%d errno=EINVAL)\n", |
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this, result); |
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debugError("(%p) timeout_nsec=%ld ts.sec=%ld ts.nsec=%ld\n", |
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this, m_activity_wait_timeout_nsec, ts.tv_sec, ts.tv_nsec); |
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return eAR_Error; |
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} else { |
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debugError("(%p) sem_[timed]wait error (result=%d errno=%d)\n", |
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this, result, errno); |
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debugError("(%p) timeout_nsec=%ld ts.sec=%ld ts.nsec=%ld\n", |
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this, m_activity_wait_timeout_nsec, ts.tv_sec, ts.tv_nsec); |
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return eAR_Error; |
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} |
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} |
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debugOutputExtreme(DEBUG_LEVEL_VERBOSE,"%p got activity\n", this); |
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return eAR_Activity; |
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} |
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/** |
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* Registers \ref processor with this manager. |
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* |
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* also registers it with the isohandlermanager |
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* |
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* be sure to call isohandlermanager->init() first! |
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* and be sure that the processors are also ->init()'ed |
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* |
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* @param processor |
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* @return true if successfull |
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*/ |
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bool StreamProcessorManager::registerProcessor(StreamProcessor *processor) |
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{ |
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debugOutput( DEBUG_LEVEL_VERBOSE, "Registering processor (%p)\n",processor); |
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assert(processor); |
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if (processor->getType() == StreamProcessor::ePT_Receive) { |
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processor->setVerboseLevel(getDebugLevel()); // inherit debug level |
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m_ReceiveProcessors.push_back(processor); |
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Util::Functor* f = new Util::MemberFunctor0< StreamProcessorManager*, void (StreamProcessorManager::*)() > |
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( this, &StreamProcessorManager::updateShadowLists, false ); |
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processor->addPortManagerUpdateHandler(f); |
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updateShadowLists(); |
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return true; |
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} |
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if (processor->getType() == StreamProcessor::ePT_Transmit) { |
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processor->setVerboseLevel(getDebugLevel()); // inherit debug level |
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m_TransmitProcessors.push_back(processor); |
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Util::Functor* f = new Util::MemberFunctor0< StreamProcessorManager*, void (StreamProcessorManager::*)() > |
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( this, &StreamProcessorManager::updateShadowLists, false ); |
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processor->addPortManagerUpdateHandler(f); |
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updateShadowLists(); |
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return true; |
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} |
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debugFatal("Unsupported processor type!\n"); |
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return false; |
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} |
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bool StreamProcessorManager::unregisterProcessor(StreamProcessor *processor) |
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{ |
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debugOutput( DEBUG_LEVEL_VERBOSE, "Unregistering processor (%p)\n",processor); |
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assert(processor); |
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if (processor->getType()==StreamProcessor::ePT_Receive) { |
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for ( StreamProcessorVectorIterator it = m_ReceiveProcessors.begin(); |
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it != m_ReceiveProcessors.end(); |
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++it ) |
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{ |
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if ( *it == processor ) { |
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if (*it == m_SyncSource) { |
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debugOutput(DEBUG_LEVEL_VERBOSE, "unregistering sync source\n"); |
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m_SyncSource = NULL; |
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} |
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m_ReceiveProcessors.erase(it); |
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// remove the functor |
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Util::Functor * f = processor->getUpdateHandlerForPtr(this); |
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if(f) { |
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processor->remPortManagerUpdateHandler(f); |
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delete f; |
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} |
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updateShadowLists(); |
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return true; |
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} |
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} |
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} |
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|
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if (processor->getType()==StreamProcessor::ePT_Transmit) { |
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for ( StreamProcessorVectorIterator it = m_TransmitProcessors.begin(); |
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it != m_TransmitProcessors.end(); |
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++it ) |
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{ |
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if ( *it == processor ) { |
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if (*it == m_SyncSource) { |
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debugOutput(DEBUG_LEVEL_VERBOSE, "unregistering sync source\n"); |
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m_SyncSource = NULL; |
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} |
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m_TransmitProcessors.erase(it); |
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// remove the functor |
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Util::Functor * f = processor->getUpdateHandlerForPtr(this); |
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if(f) { |
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processor->remPortManagerUpdateHandler(f); |
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delete f; |
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} |
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updateShadowLists(); |
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return true; |
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} |
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} |
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} |
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debugFatal("Processor (%p) not found!\n",processor); |
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return false; //not found |
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} |
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bool StreamProcessorManager::setSyncSource(StreamProcessor *s) { |
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debugOutput( DEBUG_LEVEL_VERBOSE, "Setting sync source to (%p)\n", s); |
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m_SyncSource = s; |
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return true; |
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} |
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|
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bool StreamProcessorManager::prepare() { |
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debugOutput( DEBUG_LEVEL_VERBOSE, "Preparing...\n"); |
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m_is_slave=false; |
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if(!getOption("slaveMode", m_is_slave)) { |
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debugWarning("Could not retrieve slaveMode parameter, defaulting to false\n"); |
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} |
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m_shutdown_needed=false; |
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// if no sync source is set, select one here |
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if(m_SyncSource == NULL) { |
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debugWarning("Sync Source is not set. Defaulting to first StreamProcessor.\n"); |
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} |
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|
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// FIXME: put into separate method |
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for ( StreamProcessorVectorIterator it = m_ReceiveProcessors.begin(); |
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it != m_ReceiveProcessors.end(); |
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++it ) |
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{ |
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if(m_SyncSource == NULL) { |
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debugWarning(" => Sync Source is %p.\n", *it); |
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m_SyncSource = *it; |
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} |
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} |
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for ( StreamProcessorVectorIterator it = m_TransmitProcessors.begin(); |
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it != m_TransmitProcessors.end(); |
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++it ) |
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{ |
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if(m_SyncSource == NULL) { |
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debugWarning(" => Sync Source is %p.\n", *it); |
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m_SyncSource = *it; |
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} |
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} |
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|
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// now do the actual preparation of the SP's |
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debugOutput( DEBUG_LEVEL_VERBOSE, "Prepare Receive processors...\n"); |
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for ( StreamProcessorVectorIterator it = m_ReceiveProcessors.begin(); |
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it != m_ReceiveProcessors.end(); |
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++it ) { |
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|
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if(!(*it)->setOption("slaveMode", m_is_slave)) { |
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debugOutput(DEBUG_LEVEL_VERBOSE, " note: could not set slaveMode option for (%p)...\n",(*it)); |
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} |
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|
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if(!(*it)->prepare()) { |
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debugFatal( " could not prepare (%p)...\n",(*it)); |
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return false; |
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} |
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} |
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debugOutput( DEBUG_LEVEL_VERBOSE, "Prepare Transmit processors...\n"); |
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for ( StreamProcessorVectorIterator it = m_TransmitProcessors.begin(); |
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it != m_TransmitProcessors.end(); |
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++it ) { |
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if(!(*it)->setOption("slaveMode", m_is_slave)) { |
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debugOutput(DEBUG_LEVEL_VERBOSE, " note: could not set slaveMode option for (%p)...\n",(*it)); |
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} |
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if(!(*it)->prepare()) { |
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debugFatal( " could not prepare (%p)...\n",(*it)); |
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return false; |
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} |
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} |
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|
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// if there are no stream processors registered, |
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// fail |
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if (m_ReceiveProcessors.size() + m_TransmitProcessors.size() == 0) { |
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debugFatal("No stream processors registered, can't do anything usefull\n"); |
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return false; |
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} |
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|
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// set the activity timeout value to two periods worth of usecs. |
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// since we can expect activity once every period, but we might have some |
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// offset, the safe value is two periods. |
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int timeout_usec = 2*1000LL * 1000LL * m_period / m_nominal_framerate; |
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debugOutput(DEBUG_LEVEL_VERBOSE, "setting activity timeout to %d\n", timeout_usec); |
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setActivityWaitTimeoutUsec(timeout_usec); |
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|
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updateShadowLists(); |
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|
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return true; |
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} |
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|
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bool |
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StreamProcessorManager::startDryRunning() |
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{ |
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debugOutput( DEBUG_LEVEL_VERBOSE, "Putting StreamProcessor streams into dry-running state...\n"); |
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debugOutput( DEBUG_LEVEL_VERBOSE, " Schedule start dry-running...\n"); |
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for ( StreamProcessorVectorIterator it = m_TransmitProcessors.begin(); |
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it != m_TransmitProcessors.end(); |
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++it ) { |
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if ((*it)->inError()) { |
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debugOutput(DEBUG_LEVEL_VERBOSE, "SP %p in error state\n", *it); |
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return false; |
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} |
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if (!(*it)->isDryRunning()) { |
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if(!(*it)->scheduleStartDryRunning(-1)) { |
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debugError("Could not put SP %p into the dry-running state\n", *it); |
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return false; |
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} |
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} else { |
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debugOutput( DEBUG_LEVEL_VERBOSE, " SP %p already dry-running...\n", *it); |
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} |
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} |
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for ( StreamProcessorVectorIterator it = m_ReceiveProcessors.begin(); |
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it != m_ReceiveProcessors.end(); |
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++it ) { |
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if ((*it)->inError()) { |
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debugOutput(DEBUG_LEVEL_VERBOSE, "SP %p in error state\n", *it); |
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return false; |
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} |
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420 |
if (!(*it)->isDryRunning()) { |
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if(!(*it)->scheduleStartDryRunning(-1)) { |
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422 |
debugError("Could not put SP %p into the dry-running state\n", *it); |
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return false; |
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} |
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} else { |
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426 |
debugOutput( DEBUG_LEVEL_VERBOSE, " SP %p already dry-running...\n", *it); |
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} |
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} |
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debugOutput( DEBUG_LEVEL_VERBOSE, " Waiting for all SP's to be dry-running...\n"); |
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430 |
// wait for the syncsource to start running. |
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431 |
// that will block the waitForPeriod call until everyone has started (theoretically) |
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432 |
int cnt = STREAMPROCESSORMANAGER_CYCLES_FOR_DRYRUN; // by then it should have started |
---|
433 |
bool all_dry_running = false; |
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434 |
while (!all_dry_running && cnt) { |
---|
435 |
all_dry_running = true; |
---|
436 |
for ( StreamProcessorVectorIterator it = m_ReceiveProcessors.begin(); |
---|
437 |
it != m_ReceiveProcessors.end(); |
---|
438 |
++it ) { |
---|
439 |
all_dry_running &= (*it)->isDryRunning(); |
---|
440 |
} |
---|
441 |
for ( StreamProcessorVectorIterator it = m_TransmitProcessors.begin(); |
---|
442 |
it != m_TransmitProcessors.end(); |
---|
443 |
++it ) { |
---|
444 |
all_dry_running &= (*it)->isDryRunning(); |
---|
445 |
} |
---|
446 |
|
---|
447 |
SleepRelativeUsec(125); |
---|
448 |
cnt--; |
---|
449 |
} |
---|
450 |
if(cnt==0) { |
---|
451 |
debugOutput(DEBUG_LEVEL_VERBOSE, " Timeout waiting for the SP's to start dry-running\n"); |
---|
452 |
for ( StreamProcessorVectorIterator it = m_ReceiveProcessors.begin(); |
---|
453 |
it != m_ReceiveProcessors.end(); |
---|
454 |
++it ) { |
---|
455 |
debugOutput( DEBUG_LEVEL_VERBOSE, " %s SP %p has state %s\n", |
---|
456 |
(*it)->getTypeString(), *it, (*it)->getStateString()); |
---|
457 |
} |
---|
458 |
for ( StreamProcessorVectorIterator it = m_TransmitProcessors.begin(); |
---|
459 |
it != m_TransmitProcessors.end(); |
---|
460 |
++it ) { |
---|
461 |
debugOutput( DEBUG_LEVEL_VERBOSE, " %s SP %p has state %s\n", |
---|
462 |
(*it)->getTypeString(), *it, (*it)->getStateString()); |
---|
463 |
} |
---|
464 |
return false; |
---|
465 |
} |
---|
466 |
debugOutput( DEBUG_LEVEL_VERBOSE, " StreamProcessor streams dry-running...\n"); |
---|
467 |
return true; |
---|
468 |
} |
---|
469 |
|
---|
470 |
bool StreamProcessorManager::syncStartAll() { |
---|
471 |
if(m_SyncSource == NULL) return false; |
---|
472 |
|
---|
473 |
// get the options |
---|
474 |
int signal_delay_ticks = STREAMPROCESSORMANAGER_SIGNAL_DELAY_TICKS; |
---|
475 |
int xmit_prebuffer_frames = STREAMPROCESSORMANAGER_XMIT_PREBUFFER_FRAMES; |
---|
476 |
int sync_wait_time_msec = STREAMPROCESSORMANAGER_SYNC_WAIT_TIME_MSEC; |
---|
477 |
int cycles_for_startup = STREAMPROCESSORMANAGER_CYCLES_FOR_STARTUP; |
---|
478 |
int prestart_cycles_for_xmit = STREAMPROCESSORMANAGER_PRESTART_CYCLES_FOR_XMIT; |
---|
479 |
int prestart_cycles_for_recv = STREAMPROCESSORMANAGER_PRESTART_CYCLES_FOR_RECV; |
---|
480 |
Util::Configuration &config = m_parent.getConfiguration(); |
---|
481 |
config.getValueForSetting("streaming.spm.signal_delay_ticks", signal_delay_ticks); |
---|
482 |
config.getValueForSetting("streaming.spm.xmit_prebuffer_frames", xmit_prebuffer_frames); |
---|
483 |
config.getValueForSetting("streaming.spm.sync_wait_time_msec", sync_wait_time_msec); |
---|
484 |
config.getValueForSetting("streaming.spm.cycles_for_startup", cycles_for_startup); |
---|
485 |
config.getValueForSetting("streaming.spm.prestart_cycles_for_xmit", prestart_cycles_for_xmit); |
---|
486 |
config.getValueForSetting("streaming.spm.prestart_cycles_for_recv", prestart_cycles_for_recv); |
---|
487 |
|
---|
488 |
// figure out when to get the SP's running. |
---|
489 |
// the xmit SP's should also know the base timestamp |
---|
490 |
// streams should be aligned here |
---|
491 |
|
---|
492 |
// now find out how long we have to delay the wait operation such that |
---|
493 |
// the received frames will all be presented to the SP |
---|
494 |
debugOutput( DEBUG_LEVEL_VERBOSE, "Finding minimal sync delay...\n"); |
---|
495 |
int max_of_min_delay = 0; |
---|
496 |
int min_delay = 0; |
---|
497 |
int packet_size_frames = 0; |
---|
498 |
int max_packet_size_frames = 0; |
---|
499 |
|
---|
500 |
for ( StreamProcessorVectorIterator it = m_ReceiveProcessors.begin(); |
---|
501 |
it != m_ReceiveProcessors.end(); |
---|
502 |
++it ) { |
---|
503 |
min_delay = (*it)->getMaxFrameLatency(); |
---|
504 |
if(min_delay > max_of_min_delay) max_of_min_delay = min_delay; |
---|
505 |
packet_size_frames = (*it)->getNominalFramesPerPacket(); |
---|
506 |
if(packet_size_frames > max_packet_size_frames) max_packet_size_frames = packet_size_frames; |
---|
507 |
} |
---|
508 |
for ( StreamProcessorVectorIterator it = m_TransmitProcessors.begin(); |
---|
509 |
it != m_TransmitProcessors.end(); |
---|
510 |
++it ) { |
---|
511 |
packet_size_frames = (*it)->getNominalFramesPerPacket(); |
---|
512 |
if(packet_size_frames > max_packet_size_frames) max_packet_size_frames = packet_size_frames; |
---|
513 |
} |
---|
514 |
debugOutput( DEBUG_LEVEL_VERBOSE, " max_of_min_delay = %d, max_packet_size_frames = %d...\n", max_of_min_delay, max_packet_size_frames); |
---|
515 |
|
---|
516 |
// add some processing margin. This only shifts the time |
---|
517 |
// at which the buffer is transfer()'ed. This makes things somewhat |
---|
518 |
// more robust. |
---|
519 |
m_sync_delay = max_of_min_delay + signal_delay_ticks; |
---|
520 |
|
---|
521 |
//STEP X: when we implement such a function, we can wait for a signal from the devices that they |
---|
522 |
// have aquired lock |
---|
523 |
//debugOutput( DEBUG_LEVEL_VERBOSE, "Waiting for device(s) to indicate clock sync lock...\n"); |
---|
524 |
//sleep(2); // FIXME: be smarter here |
---|
525 |
|
---|
526 |
// make sure that we are dry-running long enough for the |
---|
527 |
// DLL to have a decent sync (FIXME: does the DLL get updated when dry-running)? |
---|
528 |
debugOutput( DEBUG_LEVEL_VERBOSE, "Waiting for sync...\n"); |
---|
529 |
|
---|
530 |
unsigned int nb_sync_runs = (sync_wait_time_msec * getNominalRate()); |
---|
531 |
nb_sync_runs /= 1000; |
---|
532 |
nb_sync_runs /= getPeriodSize(); |
---|
533 |
|
---|
534 |
while(nb_sync_runs--) { // or while not sync-ed? |
---|
535 |
// check if we were woken up too soon |
---|
536 |
uint64_t ticks_at_period = m_SyncSource->getTimeAtPeriod(); |
---|
537 |
uint64_t ticks_at_period_margin = ticks_at_period + m_sync_delay; |
---|
538 |
uint64_t pred_system_time_at_xfer = m_SyncSource->getParent().get1394Service().getSystemTimeForCycleTimerTicks(ticks_at_period_margin); |
---|
539 |
|
---|
540 |
#ifdef DEBUG |
---|
541 |
int64_t now = Util::SystemTimeSource::getCurrentTime(); |
---|
542 |
debugOutputExtreme(DEBUG_LEVEL_VERBOSE, "CTR pred: %ld, syncdelay: %lld, diff: %lld\n", ticks_at_period, ticks_at_period_margin, ticks_at_period_margin-ticks_at_period ); |
---|
543 |
debugOutputExtreme(DEBUG_LEVEL_VERBOSE, "PREWAIT pred: %ld, now: %lld, wait: %lld\n", pred_system_time_at_xfer, now, pred_system_time_at_xfer-now ); |
---|
544 |
#endif |
---|
545 |
|
---|
546 |
// wait until it's time to transfer |
---|
547 |
Util::SystemTimeSource::SleepUsecAbsolute(pred_system_time_at_xfer); |
---|
548 |
|
---|
549 |
#ifdef DEBUG |
---|
550 |
now = Util::SystemTimeSource::getCurrentTime(); |
---|
551 |
debugOutputExtreme(DEBUG_LEVEL_VERBOSE, "POSTWAIT pred: %ld, now: %lld, excess: %lld\n", pred_system_time_at_xfer, now, now-pred_system_time_at_xfer ); |
---|
552 |
#endif |
---|
553 |
} |
---|
554 |
|
---|
555 |
debugOutput( DEBUG_LEVEL_VERBOSE, "Propagate sync info...\n"); |
---|
556 |
// FIXME: in the SPM it would be nice to have system time instead of |
---|
557 |
// 1394 time |
---|
558 |
|
---|
559 |
float syncrate = 0.0; |
---|
560 |
float tpf = m_SyncSource->getTicksPerFrame(); |
---|
561 |
if (tpf > 0.0) { |
---|
562 |
syncrate = 24576000.0/tpf; |
---|
563 |
} else { |
---|
564 |
debugWarning("tpf <= 0? %f\n", tpf); |
---|
565 |
} |
---|
566 |
debugOutput( DEBUG_LEVEL_VERBOSE, " sync source frame rate: %f fps (%f tpf)\n", syncrate, tpf); |
---|
567 |
|
---|
568 |
// we now should have decent sync info on the sync source |
---|
569 |
// determine a point in time where the system should start |
---|
570 |
// figure out where we are now |
---|
571 |
uint64_t time_of_first_sample = m_SyncSource->getTimeAtPeriod(); |
---|
572 |
debugOutput( DEBUG_LEVEL_VERBOSE, " sync at TS=%011lu (%03us %04uc %04ut)...\n", |
---|
573 |
time_of_first_sample, |
---|
574 |
(unsigned int)TICKS_TO_SECS(time_of_first_sample), |
---|
575 |
(unsigned int)TICKS_TO_CYCLES(time_of_first_sample), |
---|
576 |
(unsigned int)TICKS_TO_OFFSET(time_of_first_sample)); |
---|
577 |
|
---|
578 |
// start wet-running in STREAMPROCESSORMANAGER_CYCLES_FOR_STARTUP cycles |
---|
579 |
// this is the time window we have to setup all SP's such that they |
---|
580 |
// can start wet-running correctly. |
---|
581 |
// we have to round this time to an integer number of audio packets |
---|
582 |
double time_for_startup_abs = (double)(cycles_for_startup * TICKS_PER_CYCLE); |
---|
583 |
int time_for_startup_frames = (int)(time_for_startup_abs / tpf); |
---|
584 |
time_for_startup_frames = ((time_for_startup_frames / max_packet_size_frames) + 1) * max_packet_size_frames; |
---|
585 |
uint64_t time_for_startup_ticks = (uint64_t)((float)time_for_startup_frames * tpf); |
---|
586 |
|
---|
587 |
time_of_first_sample = addTicks(time_of_first_sample, |
---|
588 |
time_for_startup_ticks); |
---|
589 |
debugOutput( DEBUG_LEVEL_VERBOSE, " add %d frames (%011lu ticks)...\n", |
---|
590 |
time_for_startup_frames, time_for_startup_ticks); |
---|
591 |
|
---|
592 |
debugOutput( DEBUG_LEVEL_VERBOSE, " => first sample at TS=%011lu (%03us %04uc %04ut)...\n", |
---|
593 |
time_of_first_sample, |
---|
594 |
(unsigned int)TICKS_TO_SECS(time_of_first_sample), |
---|
595 |
(unsigned int)TICKS_TO_CYCLES(time_of_first_sample), |
---|
596 |
(unsigned int)TICKS_TO_OFFSET(time_of_first_sample)); |
---|
597 |
|
---|
598 |
// we should start wet-running the transmit SP's some cycles in advance |
---|
599 |
// such that we know it is wet-running when it should output its first sample |
---|
600 |
uint64_t time_to_start_xmit = substractTicks(time_of_first_sample, |
---|
601 |
prestart_cycles_for_xmit * TICKS_PER_CYCLE); |
---|
602 |
|
---|
603 |
uint64_t time_to_start_recv = substractTicks(time_of_first_sample, |
---|
604 |
prestart_cycles_for_recv * TICKS_PER_CYCLE); |
---|
605 |
debugOutput( DEBUG_LEVEL_VERBOSE, " => xmit starts at TS=%011lu (%03us %04uc %04ut)...\n", |
---|
606 |
time_to_start_xmit, |
---|
607 |
(unsigned int)TICKS_TO_SECS(time_to_start_xmit), |
---|
608 |
(unsigned int)TICKS_TO_CYCLES(time_to_start_xmit), |
---|
609 |
(unsigned int)TICKS_TO_OFFSET(time_to_start_xmit)); |
---|
610 |
debugOutput( DEBUG_LEVEL_VERBOSE, " => recv starts at TS=%011lu (%03us %04uc %04ut)...\n", |
---|
611 |
time_to_start_recv, |
---|
612 |
(unsigned int)TICKS_TO_SECS(time_to_start_recv), |
---|
613 |
(unsigned int)TICKS_TO_CYCLES(time_to_start_recv), |
---|
614 |
(unsigned int)TICKS_TO_OFFSET(time_to_start_recv)); |
---|
615 |
|
---|
616 |
// print the sync delay |
---|
617 |
int sync_delay_frames = (int)((float)m_sync_delay / m_SyncSource->getTicksPerFrame()); |
---|
618 |
debugOutput( DEBUG_LEVEL_VERBOSE, " sync delay: %d = %d + %d ticks (%03us %04uc %04ut) [%d frames]...\n", |
---|
619 |
m_sync_delay, max_of_min_delay, signal_delay_ticks, |
---|
620 |
(unsigned int)TICKS_TO_SECS(m_sync_delay), |
---|
621 |
(unsigned int)TICKS_TO_CYCLES(m_sync_delay), |
---|
622 |
(unsigned int)TICKS_TO_OFFSET(m_sync_delay), |
---|
623 |
sync_delay_frames); |
---|
624 |
|
---|
625 |
// the amount of prebuffer frames should be a multiple of the common block size |
---|
626 |
// as otherwise the position of MIDI is messed up |
---|
627 |
if(xmit_prebuffer_frames % max_packet_size_frames) { |
---|
628 |
int tmp = 0; |
---|
629 |
while(tmp < xmit_prebuffer_frames) { |
---|
630 |
tmp += max_packet_size_frames; |
---|
631 |
} |
---|
632 |
debugOutput(DEBUG_LEVEL_VERBOSE, |
---|
633 |
"The number of prebuffer frames (%d) is not a multiple of the common block size (%d), increased to %d...\n", |
---|
634 |
xmit_prebuffer_frames, max_packet_size_frames, tmp); |
---|
635 |
xmit_prebuffer_frames = tmp; |
---|
636 |
} |
---|
637 |
|
---|
638 |
// check if this can even work. |
---|
639 |
// the worst case point where we can receive a period is at 1 period + sync delay |
---|
640 |
// this means that the number of frames in the xmit buffer has to be at least |
---|
641 |
// 1 period + sync delay |
---|
642 |
if(xmit_prebuffer_frames + m_period * m_nb_buffers < m_period + sync_delay_frames) { |
---|
643 |
debugWarning("The amount of transmit buffer frames (%d) is too small (< %d). " |
---|
644 |
"This will most likely cause xruns.\n", |
---|
645 |
xmit_prebuffer_frames + m_period * m_nb_buffers, |
---|
646 |
m_period + sync_delay_frames); |
---|
647 |
} |
---|
648 |
|
---|
649 |
// at this point the buffer head timestamp of the transmit buffers can be set |
---|
650 |
// this is the presentation time of the first sample in the buffer |
---|
651 |
for ( StreamProcessorVectorIterator it = m_TransmitProcessors.begin(); |
---|
652 |
it != m_TransmitProcessors.end(); |
---|
653 |
++it ) { |
---|
654 |
// set the number of prebuffer frames |
---|
655 |
(*it)->setExtraBufferFrames(xmit_prebuffer_frames); |
---|
656 |
|
---|
657 |
// set the TSP of the first sample in the buffer |
---|
658 |
(*it)->setBufferHeadTimestamp(time_of_first_sample); |
---|
659 |
ffado_timestamp_t ts; |
---|
660 |
signed int fc; |
---|
661 |
(*it)->getBufferHeadTimestamp ( &ts, &fc ); |
---|
662 |
debugOutput( DEBUG_LEVEL_VERBOSE, " transmit buffer tail %010ld => head TS %010lu, fc=%d...\n", |
---|
663 |
time_of_first_sample, (uint64_t)ts, fc); |
---|
664 |
} |
---|
665 |
|
---|
666 |
// the receive processors can be delayed by sync_delay ticks |
---|
667 |
// this means that in the worst case we have to be able to accomodate |
---|
668 |
// an extra sync_delay ticks worth of frames in the receive SP buffer |
---|
669 |
// the sync delay should be rounded to an integer amount of max_packet_size |
---|
670 |
int tmp = sync_delay_frames / max_packet_size_frames; |
---|
671 |
tmp = tmp + 1; |
---|
672 |
sync_delay_frames = tmp * max_packet_size_frames; |
---|
673 |
if (sync_delay_frames < 1024) sync_delay_frames = 1024; //HACK |
---|
674 |
|
---|
675 |
for ( StreamProcessorVectorIterator it = m_ReceiveProcessors.begin(); |
---|
676 |
it != m_ReceiveProcessors.end(); |
---|
677 |
++it ) { |
---|
678 |
// set the number of extra buffer frames |
---|
679 |
(*it)->setExtraBufferFrames(sync_delay_frames); |
---|
680 |
} |
---|
681 |
|
---|
682 |
// switch syncsource to running state |
---|
683 |
uint64_t time_to_start_sync; |
---|
684 |
// FIXME: this is most likely not going to work for transmit sync sources |
---|
685 |
// but those are unsupported in this version |
---|
686 |
if(m_SyncSource->getType() == StreamProcessor::ePT_Receive ) { |
---|
687 |
time_to_start_sync = time_to_start_recv; |
---|
688 |
} else { |
---|
689 |
time_to_start_sync = time_to_start_xmit; |
---|
690 |
} |
---|
691 |
if(!m_SyncSource->scheduleStartRunning(time_to_start_sync)) { |
---|
692 |
debugError("m_SyncSource->scheduleStartRunning(%11lu) failed\n", time_to_start_sync); |
---|
693 |
return false; |
---|
694 |
} |
---|
695 |
|
---|
696 |
// STEP X: switch all non-syncsource SP's over to the running state |
---|
697 |
for ( StreamProcessorVectorIterator it = m_ReceiveProcessors.begin(); |
---|
698 |
it != m_ReceiveProcessors.end(); |
---|
699 |
++it ) { |
---|
700 |
if(*it != m_SyncSource) { |
---|
701 |
if(!(*it)->scheduleStartRunning(time_to_start_recv)) { |
---|
702 |
debugError("%p->scheduleStartRunning(%11lu) failed\n", *it, time_to_start_recv); |
---|
703 |
return false; |
---|
704 |
} |
---|
705 |
} |
---|
706 |
} |
---|
707 |
for ( StreamProcessorVectorIterator it = m_TransmitProcessors.begin(); |
---|
708 |
it != m_TransmitProcessors.end(); |
---|
709 |
++it ) { |
---|
710 |
if(*it != m_SyncSource) { |
---|
711 |
if(!(*it)->scheduleStartRunning(time_to_start_xmit)) { |
---|
712 |
debugError("%p->scheduleStartRunning(%11lu) failed\n", *it, time_to_start_xmit); |
---|
713 |
return false; |
---|
714 |
} |
---|
715 |
} |
---|
716 |
} |
---|
717 |
// wait for the syncsource to start running. |
---|
718 |
// that will block the waitForPeriod call until everyone has started (theoretically) |
---|
719 |
// note: the SP's are scheduled to start in STREAMPROCESSORMANAGER_CYCLES_FOR_STARTUP cycles, |
---|
720 |
// so a 20 times this value should be a good timeout |
---|
721 |
//int cnt = cycles_for_startup * 20; // by then it should have started |
---|
722 |
// or maybe we just have to use 1 second, as this wraps the cycle counter |
---|
723 |
int cnt = 8000; |
---|
724 |
while (!m_SyncSource->isRunning() && cnt) { |
---|
725 |
SleepRelativeUsec(125); |
---|
726 |
cnt--; |
---|
727 |
} |
---|
728 |
if(cnt==0) { |
---|
729 |
debugOutput(DEBUG_LEVEL_VERBOSE, " Timeout waiting for the SyncSource to get started\n"); |
---|
730 |
return false; |
---|
731 |
} |
---|
732 |
|
---|
733 |
// the sync source is running, we can now read a decent received timestamp from it |
---|
734 |
m_time_of_transfer = m_SyncSource->getTimeAtPeriod(); |
---|
735 |
|
---|
736 |
// and a (rough) approximation of the rate |
---|
737 |
float rate = m_SyncSource->getTicksPerFrame(); |
---|
738 |
|
---|
739 |
#ifdef DEBUG |
---|
740 |
// the time at which the previous period would have passed |
---|
741 |
m_time_of_transfer2 = m_time_of_transfer; |
---|
742 |
m_time_of_transfer2 = substractTicks(m_time_of_transfer2, (uint64_t)(m_period * rate)); |
---|
743 |
#endif |
---|
744 |
|
---|
745 |
debugOutput( DEBUG_LEVEL_VERBOSE, " initial time of transfer %010ld, rate %f...\n", |
---|
746 |
m_time_of_transfer, rate); |
---|
747 |
|
---|
748 |
// FIXME: ideally we'd want the SP itself to account for the xmit_prebuffer_frames |
---|
749 |
// but that would also require to use a different approach to setting the initial TSP's |
---|
750 |
int64_t delay_in_ticks = (int64_t)(((float)((m_nb_buffers-1) * m_period + xmit_prebuffer_frames)) * rate); |
---|
751 |
|
---|
752 |
// then use this information to initialize the xmit handlers |
---|
753 |
|
---|
754 |
// we now set the buffer tail timestamp of the transmit buffer |
---|
755 |
// to the period transfer time instant plus what's nb_buffers - 1 |
---|
756 |
// in ticks. This due to the fact that we (should) have received one period |
---|
757 |
// worth of ticks at t = m_time_of_transfer |
---|
758 |
// hence one period of frames should also have been transmitted, which means |
---|
759 |
// that there should be (nb_buffers - 1) * periodsize of frames in the xmit buffer |
---|
760 |
// there are also xmit_prebuffer_frames frames extra present in the buffer |
---|
761 |
// that allows us to calculate the tail timestamp for the buffer. |
---|
762 |
|
---|
763 |
int64_t transmit_tail_timestamp = addTicks(m_time_of_transfer, delay_in_ticks); |
---|
764 |
debugOutput( DEBUG_LEVEL_VERBOSE, " preset transmit tail TS %010ld, rate %f...\n", |
---|
765 |
transmit_tail_timestamp, rate); |
---|
766 |
|
---|
767 |
for ( StreamProcessorVectorIterator it = m_TransmitProcessors.begin(); |
---|
768 |
it != m_TransmitProcessors.end(); |
---|
769 |
++it ) { |
---|
770 |
(*it)->setTicksPerFrame(rate); |
---|
771 |
(*it)->setBufferTailTimestamp(transmit_tail_timestamp); |
---|
772 |
ffado_timestamp_t ts; |
---|
773 |
signed int fc; |
---|
774 |
(*it)->getBufferHeadTimestamp ( &ts, &fc ); |
---|
775 |
debugOutput( DEBUG_LEVEL_VERBOSE, " => transmit head TS %010ld, fc=%d...\n", |
---|
776 |
(uint64_t)ts, fc); |
---|
777 |
} |
---|
778 |
|
---|
779 |
// align the received streams to be phase aligned |
---|
780 |
if(!alignReceivedStreams()) { |
---|
781 |
debugError("Could not align streams...\n"); |
---|
782 |
return false; |
---|
783 |
} |
---|
784 |
|
---|
785 |
debugOutput( DEBUG_LEVEL_VERBOSE, " StreamProcessor streams running...\n"); |
---|
786 |
return true; |
---|
787 |
} |
---|
788 |
|
---|
789 |
bool |
---|
790 |
StreamProcessorManager::alignReceivedStreams() |
---|
791 |
{ |
---|
792 |
debugOutput( DEBUG_LEVEL_VERBOSE, "Aligning received streams...\n"); |
---|
793 |
unsigned int nb_sync_runs; |
---|
794 |
unsigned int nb_rcv_sp = m_ReceiveProcessors.size(); |
---|
795 |
int64_t diff_between_streams[nb_rcv_sp]; |
---|
796 |
int64_t diff; |
---|
797 |
|
---|
798 |
unsigned int i; |
---|
799 |
|
---|
800 |
int cnt = STREAMPROCESSORMANAGER_NB_ALIGN_TRIES; |
---|
801 |
int align_average_time_msec = STREAMPROCESSORMANAGER_ALIGN_AVERAGE_TIME_MSEC; |
---|
802 |
Util::Configuration &config = m_parent.getConfiguration(); |
---|
803 |
config.getValueForSetting("streaming.spm.align_tries", cnt); |
---|
804 |
config.getValueForSetting("streaming.spm.align_average_time_msec", align_average_time_msec); |
---|
805 |
|
---|
806 |
unsigned int periods_per_align_try = (align_average_time_msec * getNominalRate()); |
---|
807 |
periods_per_align_try /= 1000; |
---|
808 |
periods_per_align_try /= getPeriodSize(); |
---|
809 |
debugOutput( DEBUG_LEVEL_VERBOSE, " averaging over %u periods...\n", periods_per_align_try); |
---|
810 |
|
---|
811 |
bool aligned = false; |
---|
812 |
while (!aligned && cnt--) { |
---|
813 |
nb_sync_runs = periods_per_align_try; |
---|
814 |
while(nb_sync_runs) { |
---|
815 |
debugOutput( DEBUG_LEVEL_VERY_VERBOSE, " check (%d)...\n", nb_sync_runs); |
---|
816 |
if(!waitForPeriod()) { |
---|
817 |
debugWarning("xrun while aligning streams...\n"); |
---|
818 |
return false; |
---|
819 |
} |
---|
820 |
|
---|
821 |
// before we do anything else, transfer |
---|
822 |
if(!transferSilence()) { |
---|
823 |
debugError("Could not transfer silence\n"); |
---|
824 |
return false; |
---|
825 |
} |
---|
826 |
|
---|
827 |
// now calculate the stream offset |
---|
828 |
i = 0; |
---|
829 |
for ( i = 0; i < nb_rcv_sp; i++) { |
---|
830 |
StreamProcessor *s = m_ReceiveProcessors.at(i); |
---|
831 |
diff = diffTicks(m_SyncSource->getTimeAtPeriod(), s->getTimeAtPeriod()); |
---|
832 |
debugOutput( DEBUG_LEVEL_VERY_VERBOSE, " offset between SyncSP %p and SP %p is %ld ticks...\n", |
---|
833 |
m_SyncSource, s, diff); |
---|
834 |
if ( nb_sync_runs == periods_per_align_try ) { |
---|
835 |
diff_between_streams[i] = diff; |
---|
836 |
} else { |
---|
837 |
diff_between_streams[i] += diff; |
---|
838 |
} |
---|
839 |
} |
---|
840 |
|
---|
841 |
nb_sync_runs--; |
---|
842 |
} |
---|
843 |
// calculate the average offsets |
---|
844 |
debugOutput( DEBUG_LEVEL_VERBOSE, " Average offsets:\n"); |
---|
845 |
int diff_between_streams_frames[nb_rcv_sp]; |
---|
846 |
aligned = true; |
---|
847 |
for ( i = 0; i < nb_rcv_sp; i++) { |
---|
848 |
StreamProcessor *s = m_ReceiveProcessors.at(i); |
---|
849 |
|
---|
850 |
diff_between_streams[i] /= periods_per_align_try; |
---|
851 |
diff_between_streams_frames[i] = (int)roundf(diff_between_streams[i] / s->getTicksPerFrame()); |
---|
852 |
debugOutput( DEBUG_LEVEL_VERBOSE, " avg offset between SyncSP %p and SP %p is %ld ticks, %d frames...\n", |
---|
853 |
m_SyncSource, s, diff_between_streams[i], diff_between_streams_frames[i]); |
---|
854 |
|
---|
855 |
aligned &= (diff_between_streams_frames[i] == 0); |
---|
856 |
|
---|
857 |
// reposition the stream |
---|
858 |
if(!s->shiftStream(diff_between_streams_frames[i])) { |
---|
859 |
debugError("Could not shift SP %p %d frames\n", s, diff_between_streams_frames[i]); |
---|
860 |
return false; |
---|
861 |
} |
---|
862 |
} |
---|
863 |
if (!aligned) { |
---|
864 |
debugOutput(DEBUG_LEVEL_VERBOSE, "Streams not aligned, doing new round...\n"); |
---|
865 |
} |
---|
866 |
} |
---|
867 |
if (cnt == 0) { |
---|
868 |
debugError("Align failed\n"); |
---|
869 |
return false; |
---|
870 |
} |
---|
871 |
return true; |
---|
872 |
} |
---|
873 |
|
---|
874 |
bool StreamProcessorManager::start() { |
---|
875 |
debugOutput( DEBUG_LEVEL_VERBOSE, "Starting Processors...\n"); |
---|
876 |
|
---|
877 |
// start all SP's synchonized |
---|
878 |
bool start_result = false; |
---|
879 |
for (int ntries=0; ntries < STREAMPROCESSORMANAGER_SYNCSTART_TRIES; ntries++) { |
---|
880 |
// put all SP's into dry-running state |
---|
881 |
if (!startDryRunning()) { |
---|
882 |
debugOutput(DEBUG_LEVEL_VERBOSE, "Could not put SP's in dry-running state (try %d)\n", ntries); |
---|
883 |
start_result = false; |
---|
884 |
continue; |
---|
885 |
} |
---|
886 |
|
---|
887 |
start_result = syncStartAll(); |
---|
888 |
if(start_result) { |
---|
889 |
break; |
---|
890 |
} else { |
---|
891 |
debugOutput(DEBUG_LEVEL_VERBOSE, "Sync start try %d failed...\n", ntries); |
---|
892 |
if(m_shutdown_needed) { |
---|
893 |
debugOutput(DEBUG_LEVEL_VERBOSE, "Some fatal error occurred, stop trying.\n"); |
---|
894 |
return false; |
---|
895 |
} |
---|
896 |
} |
---|
897 |
} |
---|
898 |
if (!start_result) { |
---|
899 |
debugFatal("Could not syncStartAll...\n"); |
---|
900 |
return false; |
---|
901 |
} |
---|
902 |
debugOutput( DEBUG_LEVEL_VERBOSE, " Started...\n"); |
---|
903 |
return true; |
---|
904 |
} |
---|
905 |
|
---|
906 |
bool StreamProcessorManager::stop() { |
---|
907 |
debugOutput( DEBUG_LEVEL_VERBOSE, "Stopping...\n"); |
---|
908 |
|
---|
909 |
debugOutput( DEBUG_LEVEL_VERBOSE, " scheduling stop for all SP's...\n"); |
---|
910 |
// switch SP's over to the dry-running state |
---|
911 |
for ( StreamProcessorVectorIterator it = m_ReceiveProcessors.begin(); |
---|
912 |
it != m_ReceiveProcessors.end(); |
---|
913 |
++it ) { |
---|
914 |
if((*it)->isRunning()) { |
---|
915 |
if(!(*it)->scheduleStopRunning(-1)) { |
---|
916 |
debugError("%p->scheduleStopRunning(-1) failed\n", *it); |
---|
917 |
return false; |
---|
918 |
} |
---|
919 |
} |
---|
920 |
} |
---|
921 |
for ( StreamProcessorVectorIterator it = m_TransmitProcessors.begin(); |
---|
922 |
it != m_TransmitProcessors.end(); |
---|
923 |
++it ) { |
---|
924 |
if((*it)->isRunning()) { |
---|
925 |
if(!(*it)->scheduleStopRunning(-1)) { |
---|
926 |
debugError("%p->scheduleStopRunning(-1) failed\n", *it); |
---|
927 |
return false; |
---|
928 |
} |
---|
929 |
} |
---|
930 |
} |
---|
931 |
// wait for the SP's to get into the dry-running/stopped state |
---|
932 |
int cnt = 8000; |
---|
933 |
bool ready = false; |
---|
934 |
while (!ready && cnt) { |
---|
935 |
ready = true; |
---|
936 |
for ( StreamProcessorVectorIterator it = m_ReceiveProcessors.begin(); |
---|
937 |
it != m_ReceiveProcessors.end(); |
---|
938 |
++it ) { |
---|
939 |
ready &= ((*it)->isDryRunning() || (*it)->isStopped() || (*it)->isWaitingForStream() || (*it)->inError()); |
---|
940 |
} |
---|
941 |
for ( StreamProcessorVectorIterator it = m_TransmitProcessors.begin(); |
---|
942 |
it != m_TransmitProcessors.end(); |
---|
943 |
++it ) { |
---|
944 |
ready &= ((*it)->isDryRunning() || (*it)->isStopped() || (*it)->isWaitingForStream() || (*it)->inError()); |
---|
945 |
} |
---|
946 |
SleepRelativeUsec(125); |
---|
947 |
cnt--; |
---|
948 |
} |
---|
949 |
if(cnt==0) { |
---|
950 |
debugWarning(" Timeout waiting for the SP's to start dry-running\n"); |
---|
951 |
for ( StreamProcessorVectorIterator it = m_ReceiveProcessors.begin(); |
---|
952 |
it != m_ReceiveProcessors.end(); |
---|
953 |
++it ) { |
---|
954 |
(*it)->dumpInfo(); |
---|
955 |
} |
---|
956 |
for ( StreamProcessorVectorIterator it = m_TransmitProcessors.begin(); |
---|
957 |
it != m_TransmitProcessors.end(); |
---|
958 |
++it ) { |
---|
959 |
(*it)->dumpInfo(); |
---|
960 |
} |
---|
961 |
return false; |
---|
962 |
} |
---|
963 |
|
---|
964 |
// switch SP's over to the stopped state |
---|
965 |
for ( StreamProcessorVectorIterator it = m_ReceiveProcessors.begin(); |
---|
966 |
it != m_ReceiveProcessors.end(); |
---|
967 |
++it ) { |
---|
968 |
if ((*it)->inError()) { |
---|
969 |
debugOutput(DEBUG_LEVEL_VERBOSE, "SP %p in error state\n", *it); |
---|
970 |
} else if(!(*it)->scheduleStopDryRunning(-1)) { |
---|
971 |
debugError("%p->scheduleStopDryRunning(-1) failed\n", *it); |
---|
972 |
return false; |
---|
973 |
} |
---|
974 |
} |
---|
975 |
for ( StreamProcessorVectorIterator it = m_TransmitProcessors.begin(); |
---|
976 |
it != m_TransmitProcessors.end(); |
---|
977 |
++it ) { |
---|
978 |
if ((*it)->inError()) { |
---|
979 |
debugOutput(DEBUG_LEVEL_VERBOSE, "SP %p in error state\n", *it); |
---|
980 |
} else if(!(*it)->scheduleStopDryRunning(-1)) { |
---|
981 |
debugError("%p->scheduleStopDryRunning(-1) failed\n", *it); |
---|
982 |
return false; |
---|
983 |
} |
---|
984 |
} |
---|
985 |
// wait for the SP's to get into the stopped state |
---|
986 |
cnt = 8000; |
---|
987 |
ready = false; |
---|
988 |
while (!ready && cnt) { |
---|
989 |
ready = true; |
---|
990 |
for ( StreamProcessorVectorIterator it = m_ReceiveProcessors.begin(); |
---|
991 |
it != m_ReceiveProcessors.end(); |
---|
992 |
++it ) { |
---|
993 |
ready &= ((*it)->isStopped() || (*it)->inError()); |
---|
994 |
} |
---|
995 |
for ( StreamProcessorVectorIterator it = m_TransmitProcessors.begin(); |
---|
996 |
it != m_TransmitProcessors.end(); |
---|
997 |
++it ) { |
---|
998 |
ready &= ((*it)->isStopped() || (*it)->inError()); |
---|
999 |
} |
---|
1000 |
SleepRelativeUsec(125); |
---|
1001 |
cnt--; |
---|
1002 |
} |
---|
1003 |
if(cnt==0) { |
---|
1004 |
debugWarning(" Timeout waiting for the SP's to stop\n"); |
---|
1005 |
for ( StreamProcessorVectorIterator it = m_ReceiveProcessors.begin(); |
---|
1006 |
it != m_ReceiveProcessors.end(); |
---|
1007 |
++it ) { |
---|
1008 |
(*it)->dumpInfo(); |
---|
1009 |
} |
---|
1010 |
for ( StreamProcessorVectorIterator it = m_TransmitProcessors.begin(); |
---|
1011 |
it != m_TransmitProcessors.end(); |
---|
1012 |
++it ) { |
---|
1013 |
(*it)->dumpInfo(); |
---|
1014 |
} |
---|
1015 |
return false; |
---|
1016 |
} |
---|
1017 |
debugOutput( DEBUG_LEVEL_VERBOSE, " Stopped...\n"); |
---|
1018 |
return true; |
---|
1019 |
} |
---|
1020 |
|
---|
1021 |
/** |
---|
1022 |
* Called upon Xrun events. This brings all StreamProcessors back |
---|
1023 |
* into their starting state, and then carries on streaming. This should |
---|
1024 |
* have the same effect as restarting the whole thing. |
---|
1025 |
* |
---|
1026 |
* @return true if successful, false otherwise |
---|
1027 |
*/ |
---|
1028 |
bool StreamProcessorManager::handleXrun() { |
---|
1029 |
|
---|
1030 |
debugOutput( DEBUG_LEVEL_VERBOSE, "Handling Xrun ...\n"); |
---|
1031 |
|
---|
1032 |
dumpInfo(); |
---|
1033 |
|
---|
1034 |
/* |
---|
1035 |
* Reset means: |
---|
1036 |
* 1) Disabling the SP's, so that they don't process any packets |
---|
1037 |
* note: the isomanager does keep on delivering/requesting them |
---|
1038 |
* 2) Bringing all buffers & streamprocessors into a know state |
---|
1039 |
* - Clear all capture buffers |
---|
1040 |
* - Put nb_periods*period_size of null frames into the playback buffers |
---|
1041 |
* 3) Re-enable the SP's |
---|
1042 |
*/ |
---|
1043 |
|
---|
1044 |
debugOutput( DEBUG_LEVEL_VERBOSE, "Restarting StreamProcessors...\n"); |
---|
1045 |
// start all SP's synchonized |
---|
1046 |
bool start_result = false; |
---|
1047 |
for (int ntries=0; ntries < STREAMPROCESSORMANAGER_SYNCSTART_TRIES; ntries++) { |
---|
1048 |
if(m_shutdown_needed) { |
---|
1049 |
debugOutput(DEBUG_LEVEL_VERBOSE, "Shutdown requested...\n"); |
---|
1050 |
return true; |
---|
1051 |
} |
---|
1052 |
// put all SP's into dry-running state |
---|
1053 |
if (!startDryRunning()) { |
---|
1054 |
debugShowBackLog(); |
---|
1055 |
debugOutput(DEBUG_LEVEL_VERBOSE, "Could not put SP's in dry-running state (try %d)\n", ntries); |
---|
1056 |
start_result = false; |
---|
1057 |
continue; |
---|
1058 |
} |
---|
1059 |
|
---|
1060 |
start_result = syncStartAll(); |
---|
1061 |
if(start_result) { |
---|
1062 |
break; |
---|
1063 |
} else { |
---|
1064 |
debugOutput(DEBUG_LEVEL_VERBOSE, "Sync start try %d failed...\n", ntries); |
---|
1065 |
} |
---|
1066 |
} |
---|
1067 |
if (!start_result) { |
---|
1068 |
debugFatal("Could not syncStartAll...\n"); |
---|
1069 |
return false; |
---|
1070 |
} |
---|
1071 |
debugOutput( DEBUG_LEVEL_VERBOSE, "Xrun handled...\n"); |
---|
1072 |
|
---|
1073 |
return true; |
---|
1074 |
} |
---|
1075 |
|
---|
1076 |
/** |
---|
1077 |
* @brief Waits until the next period of samples is ready |
---|
1078 |
* |
---|
1079 |
* This function does not return until a full period of samples is (or should be) |
---|
1080 |
* ready to be transferred. |
---|
1081 |
* |
---|
1082 |
* @return true if the period is ready, false if not |
---|
1083 |
*/ |
---|
1084 |
bool StreamProcessorManager::waitForPeriod() { |
---|
1085 |
if(m_SyncSource == NULL) return false; |
---|
1086 |
if(m_shutdown_needed) return false; |
---|
1087 |
bool xrun_occurred = false; |
---|
1088 |
bool in_error = false; |
---|
1089 |
|
---|
1090 |
// grab the wait lock |
---|
1091 |
// this ensures that bus reset handling doesn't interfere |
---|
1092 |
Util::MutexLockHelper lock(*m_WaitLock); |
---|
1093 |
debugOutputExtreme(DEBUG_LEVEL_VERBOSE, |
---|
1094 |
"waiting for period (%d frames in buffer)...\n", |
---|
1095 |
m_SyncSource->getBufferFill()); |
---|
1096 |
uint64_t ticks_at_period = m_SyncSource->getTimeAtPeriod(); |
---|
1097 |
uint64_t ticks_at_period_margin = ticks_at_period + m_sync_delay; |
---|
1098 |
uint64_t pred_system_time_at_xfer = m_SyncSource->getParent().get1394Service().getSystemTimeForCycleTimerTicks(ticks_at_period_margin); |
---|
1099 |
|
---|
1100 |
#ifdef DEBUG |
---|
1101 |
int64_t now = Util::SystemTimeSource::getCurrentTime(); |
---|
1102 |
debugOutputExtreme(DEBUG_LEVEL_VERBOSE, "CTR pred: %ld, syncdelay: %lld, diff: %lld\n", ticks_at_period, ticks_at_period_margin, ticks_at_period_margin-ticks_at_period ); |
---|
1103 |
debugOutputExtreme(DEBUG_LEVEL_VERBOSE, "PREWAIT pred: %ld, now: %lld, wait: %lld\n", pred_system_time_at_xfer, now, pred_system_time_at_xfer-now ); |
---|
1104 |
#endif |
---|
1105 |
|
---|
1106 |
// wait until it's time to transfer |
---|
1107 |
Util::SystemTimeSource::SleepUsecAbsolute(pred_system_time_at_xfer); |
---|
1108 |
|
---|
1109 |
#ifdef DEBUG |
---|
1110 |
now = Util::SystemTimeSource::getCurrentTime(); |
---|
1111 |
debugOutputExtreme(DEBUG_LEVEL_VERBOSE, "POSTWAIT pred: %ld, now: %lld, excess: %lld\n", pred_system_time_at_xfer, now, now-pred_system_time_at_xfer ); |
---|
1112 |
#endif |
---|
1113 |
|
---|
1114 |
// the period should be ready now |
---|
1115 |
#ifdef DEBUG |
---|
1116 |
int rcv_fills[10]; |
---|
1117 |
int xmt_fills[10]; |
---|
1118 |
int i; |
---|
1119 |
i=0; |
---|
1120 |
for ( StreamProcessorVectorIterator it = m_ReceiveProcessors.begin(); |
---|
1121 |
it != m_ReceiveProcessors.end(); |
---|
1122 |
++it ) { |
---|
1123 |
rcv_fills[i] = (*it)->getBufferFill(); |
---|
1124 |
debugOutputExtreme(DEBUG_LEVEL_VERBOSE, "RECV SP %p bufferfill: %05d\n", *it, rcv_fills[i]); |
---|
1125 |
i++; |
---|
1126 |
} |
---|
1127 |
i=0; |
---|
1128 |
for ( StreamProcessorVectorIterator it = m_TransmitProcessors.begin(); |
---|
1129 |
it != m_TransmitProcessors.end(); |
---|
1130 |
++it ) { |
---|
1131 |
xmt_fills[i] = (*it)->getBufferFill(); |
---|
1132 |
debugOutputExtreme(DEBUG_LEVEL_VERBOSE, "XMIT SP %p bufferfill: %05d\n", *it, xmt_fills[i]); |
---|
1133 |
i++; |
---|
1134 |
} |
---|
1135 |
for(i=0;i<1;i++) { |
---|
1136 |
debugOutputExtreme(DEBUG_LEVEL_VERBOSE, "SP %02d RECV: %05d [%05d] XMIT: %05d [%05d] DIFF: %05d\n", i, |
---|
1137 |
rcv_fills[i], rcv_fills[i] - m_period, |
---|
1138 |
xmt_fills[i], xmt_fills[i] - m_period, |
---|
1139 |
rcv_fills[i] - xmt_fills[i]); |
---|
1140 |
} |
---|
1141 |
#endif |
---|
1142 |
|
---|
1143 |
#if STREAMPROCESSORMANAGER_ALLOW_DELAYED_PERIOD_SIGNAL |
---|
1144 |
// HACK: we force wait until every SP is ready. this is needed |
---|
1145 |
// since the raw1394 interface provides no control over interrupts |
---|
1146 |
// resulting in very bad predictability on when the data is present. |
---|
1147 |
bool period_not_ready = true; |
---|
1148 |
while(period_not_ready) { |
---|
1149 |
period_not_ready = false; |
---|
1150 |
for ( StreamProcessorVectorIterator it = m_ReceiveProcessors.begin(); |
---|
1151 |
it != m_ReceiveProcessors.end(); |
---|
1152 |
++it ) { |
---|
1153 |
bool this_sp_period_ready = (*it)->canConsumePeriod(); |
---|
1154 |
if (!this_sp_period_ready) { |
---|
1155 |
period_not_ready = true; |
---|
1156 |
} |
---|
1157 |
} |
---|
1158 |
for ( StreamProcessorVectorIterator it = m_TransmitProcessors.begin(); |
---|
1159 |
it != m_TransmitProcessors.end(); |
---|
1160 |
++it ) { |
---|
1161 |
bool this_sp_period_ready = (*it)->canProducePeriod(); |
---|
1162 |
if (!this_sp_period_ready) { |
---|
1163 |
period_not_ready = true; |
---|
1164 |
} |
---|
1165 |
} |
---|
1166 |
|
---|
1167 |
if (period_not_ready) { |
---|
1168 |
debugOutput(DEBUG_LEVEL_VERBOSE, " wait extended since period not ready...\n"); |
---|
1169 |
Util::SystemTimeSource::SleepUsecRelative(125); // one cycle |
---|
1170 |
} |
---|
1171 |
|
---|
1172 |
// check for underruns/errors on the ISO side, |
---|
1173 |
// those should make us bail out of the wait loop |
---|
1174 |
for ( StreamProcessorVectorIterator it = m_ReceiveProcessors.begin(); |
---|
1175 |
it != m_ReceiveProcessors.end(); |
---|
1176 |
++it ) { |
---|
1177 |
// a xrun has occurred on the Iso side |
---|
1178 |
xrun_occurred |= (*it)->xrunOccurred(); |
---|
1179 |
in_error |= (*it)->inError(); |
---|
1180 |
} |
---|
1181 |
for ( StreamProcessorVectorIterator it = m_TransmitProcessors.begin(); |
---|
1182 |
it != m_TransmitProcessors.end(); |
---|
1183 |
++it ) { |
---|
1184 |
// a xrun has occurred on the Iso side |
---|
1185 |
xrun_occurred |= (*it)->xrunOccurred(); |
---|
1186 |
in_error |= (*it)->inError(); |
---|
1187 |
} |
---|
1188 |
if(xrun_occurred | in_error | m_shutdown_needed) break; |
---|
1189 |
} |
---|
1190 |
#else |
---|
1191 |
// check for underruns/errors on the ISO side, |
---|
1192 |
// those should make us bail out of the wait loop |
---|
1193 |
for ( StreamProcessorVectorIterator it = m_ReceiveProcessors.begin(); |
---|
1194 |
it != m_ReceiveProcessors.end(); |
---|
1195 |
++it ) { |
---|
1196 |
// xrun on data buffer side |
---|
1197 |
if (!(*it)->canConsumePeriod()) { |
---|
1198 |
xrun_occurred = true; |
---|
1199 |
} |
---|
1200 |
// a xrun has occurred on the Iso side |
---|
1201 |
xrun_occurred |= (*it)->xrunOccurred(); |
---|
1202 |
in_error |= (*it)->inError(); |
---|
1203 |
} |
---|
1204 |
for ( StreamProcessorVectorIterator it = m_TransmitProcessors.begin(); |
---|
1205 |
it != m_TransmitProcessors.end(); |
---|
1206 |
++it ) { |
---|
1207 |
// xrun on data buffer side |
---|
1208 |
if (!(*it)->canProducePeriod()) { |
---|
1209 |
xrun_occurred = true; |
---|
1210 |
} |
---|
1211 |
// a xrun has occurred on the Iso side |
---|
1212 |
xrun_occurred |= (*it)->xrunOccurred(); |
---|
1213 |
in_error |= (*it)->inError(); |
---|
1214 |
} |
---|
1215 |
#endif |
---|
1216 |
|
---|
1217 |
if(xrun_occurred) { |
---|
1218 |
debugOutput( DEBUG_LEVEL_VERBOSE, "exit due to xrun...\n"); |
---|
1219 |
} |
---|
1220 |
if(in_error) { |
---|
1221 |
debugOutput( DEBUG_LEVEL_VERBOSE, "exit due to error...\n"); |
---|
1222 |
m_shutdown_needed = true; |
---|
1223 |
} |
---|
1224 |
|
---|
1225 |
// we save the 'ideal' time of the transfer at this point, |
---|
1226 |
// because we can have interleaved read - process - write |
---|
1227 |
// cycles making that we modify a receiving stream's buffer |
---|
1228 |
// before we get to writing. |
---|
1229 |
// NOTE: before waitForPeriod() is called again, both the transmit |
---|
1230 |
// and the receive processors should have done their transfer. |
---|
1231 |
m_time_of_transfer = m_SyncSource->getTimeAtPeriod(); |
---|
1232 |
|
---|
1233 |
#ifdef DEBUG |
---|
1234 |
int ticks_per_period = (int)(m_SyncSource->getTicksPerFrame() * m_period); |
---|
1235 |
|
---|
1236 |
int diff = diffTicks(m_time_of_transfer, m_time_of_transfer2); |
---|
1237 |
// display message if the difference between two successive tick |
---|
1238 |
// values is more than 50 ticks. 1 sample at 48k is 512 ticks |
---|
1239 |
// so 50 ticks = 10%, which is a rather large jitter value. |
---|
1240 |
if(diff-ticks_per_period > 50 || diff-ticks_per_period < -50) { |
---|
1241 |
debugOutput(DEBUG_LEVEL_VERBOSE, "rather large TSP difference TS=%011lu => TS=%011lu (%d, nom %d)\n", |
---|
1242 |
m_time_of_transfer2, m_time_of_transfer, diff, ticks_per_period); |
---|
1243 |
} |
---|
1244 |
m_time_of_transfer2 = m_time_of_transfer; |
---|
1245 |
#endif |
---|
1246 |
|
---|
1247 |
debugOutputExtreme(DEBUG_LEVEL_VERBOSE, |
---|
1248 |
"transfer period %d at %lu ticks...\n", |
---|
1249 |
m_nbperiods, m_time_of_transfer); |
---|
1250 |
|
---|
1251 |
#ifdef DEBUG |
---|
1252 |
int rcv_bf=0, xmt_bf=0; |
---|
1253 |
for ( StreamProcessorVectorIterator it = m_ReceiveProcessors.begin(); |
---|
1254 |
it != m_ReceiveProcessors.end(); |
---|
1255 |
++it ) { |
---|
1256 |
rcv_bf = (*it)->getBufferFill(); |
---|
1257 |
} |
---|
1258 |
for ( StreamProcessorVectorIterator it = m_TransmitProcessors.begin(); |
---|
1259 |
it != m_TransmitProcessors.end(); |
---|
1260 |
++it ) { |
---|
1261 |
xmt_bf = (*it)->getBufferFill(); |
---|
1262 |
} |
---|
1263 |
debugOutputExtreme( DEBUG_LEVEL_VERY_VERBOSE, |
---|
1264 |
"XF at %011lu ticks, RBF=%d, XBF=%d, SUM=%d...\n", |
---|
1265 |
m_time_of_transfer, rcv_bf, xmt_bf, rcv_bf+xmt_bf); |
---|
1266 |
|
---|
1267 |
// check if xruns occurred on the Iso side. |
---|
1268 |
// also check if xruns will occur should we transfer() now |
---|
1269 |
for ( StreamProcessorVectorIterator it = m_ReceiveProcessors.begin(); |
---|
1270 |
it != m_ReceiveProcessors.end(); |
---|
1271 |
++it ) { |
---|
1272 |
|
---|
1273 |
if ((*it)->xrunOccurred()) { |
---|
1274 |
debugOutput(DEBUG_LEVEL_NORMAL, |
---|
1275 |
"Xrun on RECV SP %p due to ISO side xrun\n", *it); |
---|
1276 |
(*it)->dumpInfo(); |
---|
1277 |
} |
---|
1278 |
if (!((*it)->canClientTransferFrames(m_period))) { |
---|
1279 |
debugOutput(DEBUG_LEVEL_NORMAL, |
---|
1280 |
"Xrun on RECV SP %p due to buffer side xrun\n", *it); |
---|
1281 |
(*it)->dumpInfo(); |
---|
1282 |
} |
---|
1283 |
} |
---|
1284 |
for ( StreamProcessorVectorIterator it = m_TransmitProcessors.begin(); |
---|
1285 |
it != m_TransmitProcessors.end(); |
---|
1286 |
++it ) { |
---|
1287 |
if ((*it)->xrunOccurred()) { |
---|
1288 |
debugOutput(DEBUG_LEVEL_NORMAL, |
---|
1289 |
"Xrun on XMIT SP %p due to ISO side xrun\n", *it); |
---|
1290 |
} |
---|
1291 |
if (!((*it)->canClientTransferFrames(m_period))) { |
---|
1292 |
debugOutput(DEBUG_LEVEL_NORMAL, |
---|
1293 |
"Xrun on XMIT SP %p due to buffer side xrun\n", *it); |
---|
1294 |
} |
---|
1295 |
} |
---|
1296 |
#endif |
---|
1297 |
m_nbperiods++; |
---|
1298 |
|
---|
1299 |
// this is to notify the client of the delay that we introduced by waiting |
---|
1300 |
pred_system_time_at_xfer = m_SyncSource->getParent().get1394Service().getSystemTimeForCycleTimerTicks(m_time_of_transfer); |
---|
1301 |
|
---|
1302 |
m_delayed_usecs = Util::SystemTimeSource::getCurrentTime() - pred_system_time_at_xfer; |
---|
1303 |
debugOutputExtreme(DEBUG_LEVEL_VERBOSE, |
---|
1304 |
"delayed for %d usecs...\n", |
---|
1305 |
m_delayed_usecs); |
---|
1306 |
|
---|
1307 |
// now we can signal the client that we are (should be) ready |
---|
1308 |
return !xrun_occurred; |
---|
1309 |
} |
---|
1310 |
|
---|
1311 |
/** |
---|
1312 |
* @brief Transfer one period of frames for both receive and transmit StreamProcessors |
---|
1313 |
* |
---|
1314 |
* Transfers one period of frames from the client side to the Iso side and vice versa. |
---|
1315 |
* |
---|
1316 |
* @return true if successful, false otherwise (indicates xrun). |
---|
1317 |
*/ |
---|
1318 |
bool StreamProcessorManager::transfer() { |
---|
1319 |
debugOutputExtreme( DEBUG_LEVEL_VERY_VERBOSE, "Transferring period...\n"); |
---|
1320 |
bool retval=true; |
---|
1321 |
retval &= transfer(StreamProcessor::ePT_Receive); |
---|
1322 |
retval &= transfer(StreamProcessor::ePT_Transmit); |
---|
1323 |
return retval; |
---|
1324 |
} |
---|
1325 |
|
---|
1326 |
/** |
---|
1327 |
* @brief Transfer one period of frames for either the receive or transmit StreamProcessors |
---|
1328 |
* |
---|
1329 |
* Transfers one period of frames from the client side to the Iso side or vice versa. |
---|
1330 |
* |
---|
1331 |
* @param t The processor type to tranfer for (receive or transmit) |
---|
1332 |
* @return true if successful, false otherwise (indicates xrun). |
---|
1333 |
*/ |
---|
1334 |
bool StreamProcessorManager::transfer(enum StreamProcessor::eProcessorType t) { |
---|
1335 |
if(m_SyncSource == NULL) return false; |
---|
1336 |
debugOutputExtreme( DEBUG_LEVEL_VERY_VERBOSE, |
---|
1337 |
"transfer(%d) at TS=%011lu (%03us %04uc %04ut)...\n", |
---|
1338 |
t, m_time_of_transfer, |
---|
1339 |
(unsigned int)TICKS_TO_SECS(m_time_of_transfer), |
---|
1340 |
(unsigned int)TICKS_TO_CYCLES(m_time_of_transfer), |
---|
1341 |
(unsigned int)TICKS_TO_OFFSET(m_time_of_transfer)); |
---|
1342 |
|
---|
1343 |
bool retval = true; |
---|
1344 |
// a static cast could make sure that there is no performance |
---|
1345 |
// penalty for the virtual functions (to be checked) |
---|
1346 |
if (t==StreamProcessor::ePT_Receive) { |
---|
1347 |
for ( StreamProcessorVectorIterator it = m_ReceiveProcessors.begin(); |
---|
1348 |
it != m_ReceiveProcessors.end(); |
---|
1349 |
++it ) { |
---|
1350 |
if(!(*it)->getFrames(m_period, m_time_of_transfer)) { |
---|
1351 |
debugWarning("could not getFrames(%u, %11lu) from stream processor (%p)\n", |
---|
1352 |
m_period, m_time_of_transfer,*it); |
---|
1353 |
retval &= false; // buffer underrun |
---|
1354 |
} |
---|
1355 |
} |
---|
1356 |
} else { |
---|
1357 |
// FIXME: in the SPM it would be nice to have system time instead of |
---|
1358 |
// 1394 time |
---|
1359 |
float rate = m_SyncSource->getTicksPerFrame(); |
---|
1360 |
|
---|
1361 |
for ( StreamProcessorVectorIterator it = m_TransmitProcessors.begin(); |
---|
1362 |
it != m_TransmitProcessors.end(); |
---|
1363 |
++it ) { |
---|
1364 |
// this is the delay in frames between the point where a frame is received and |
---|
1365 |
// when it is transmitted again |
---|
1366 |
unsigned int one_ringbuffer_in_frames = m_nb_buffers * m_period + (*it)->getExtraBufferFrames(); |
---|
1367 |
int64_t one_ringbuffer_in_ticks = (int64_t)(((float)one_ringbuffer_in_frames) * rate); |
---|
1368 |
|
---|
1369 |
// the data we are putting into the buffer is intended to be transmitted |
---|
1370 |
// one ringbuffer size after it has been received |
---|
1371 |
int64_t transmit_timestamp = addTicks(m_time_of_transfer, one_ringbuffer_in_ticks); |
---|
1372 |
|
---|
1373 |
if(!(*it)->putFrames(m_period, transmit_timestamp)) { |
---|
1374 |
debugWarning("could not putFrames(%u,%lu) to stream processor (%p)\n", |
---|
1375 |
m_period, transmit_timestamp, *it); |
---|
1376 |
retval &= false; // buffer underrun |
---|
1377 |
} |
---|
1378 |
} |
---|
1379 |
} |
---|
1380 |
return retval; |
---|
1381 |
} |
---|
1382 |
|
---|
1383 |
/** |
---|
1384 |
* @brief Transfer one period of silence for both receive and transmit StreamProcessors |
---|
1385 |
* |
---|
1386 |
* Transfers one period of silence to the Iso side for transmit SP's |
---|
1387 |
* or dump one period of frames for receive SP's |
---|
1388 |
* |
---|
1389 |
* @return true if successful, false otherwise (indicates xrun). |
---|
1390 |
*/ |
---|
1391 |
bool StreamProcessorManager::transferSilence() { |
---|
1392 |
debugOutput(DEBUG_LEVEL_VERY_VERBOSE, "Transferring silent period...\n"); |
---|
1393 |
bool retval=true; |
---|
1394 |
// NOTE: the order here is opposite from the order in |
---|
1395 |
// normal operation (transmit is before receive), because |
---|
1396 |
// we can do that here (data=silence=available) and |
---|
1397 |
// it increases reliability (esp. on startup) |
---|
1398 |
retval &= transferSilence(StreamProcessor::ePT_Transmit); |
---|
1399 |
retval &= transferSilence(StreamProcessor::ePT_Receive); |
---|
1400 |
return retval; |
---|
1401 |
} |
---|
1402 |
|
---|
1403 |
/** |
---|
1404 |
* @brief Transfer one period of silence for either the receive or transmit StreamProcessors |
---|
1405 |
* |
---|
1406 |
* Transfers one period of silence to the Iso side for transmit SP's |
---|
1407 |
* or dump one period of frames for receive SP's |
---|
1408 |
* |
---|
1409 |
* @param t The processor type to tranfer for (receive or transmit) |
---|
1410 |
* @return true if successful, false otherwise (indicates xrun). |
---|
1411 |
*/ |
---|
1412 |
bool StreamProcessorManager::transferSilence(enum StreamProcessor::eProcessorType t) { |
---|
1413 |
if(m_SyncSource == NULL) return false; |
---|
1414 |
debugOutput( DEBUG_LEVEL_VERY_VERBOSE, |
---|
1415 |
"transferSilence(%d) at TS=%011lu (%03us %04uc %04ut)...\n", |
---|
1416 |
t, m_time_of_transfer, |
---|
1417 |
(unsigned int)TICKS_TO_SECS(m_time_of_transfer), |
---|
1418 |
(unsigned int)TICKS_TO_CYCLES(m_time_of_transfer), |
---|
1419 |
(unsigned int)TICKS_TO_OFFSET(m_time_of_transfer)); |
---|
1420 |
|
---|
1421 |
bool retval = true; |
---|
1422 |
// a static cast could make sure that there is no performance |
---|
1423 |
// penalty for the virtual functions (to be checked) |
---|
1424 |
if (t==StreamProcessor::ePT_Receive) { |
---|
1425 |
for ( StreamProcessorVectorIterator it = m_ReceiveProcessors.begin(); |
---|
1426 |
it != m_ReceiveProcessors.end(); |
---|
1427 |
++it ) { |
---|
1428 |
if(!(*it)->dropFrames(m_period, m_time_of_transfer)) { |
---|
1429 |
debugWarning("could not dropFrames(%u, %11lu) from stream processor (%p)\n", |
---|
1430 |
m_period, m_time_of_transfer,*it); |
---|
1431 |
retval &= false; // buffer underrun |
---|
1432 |
} |
---|
1433 |
} |
---|
1434 |
} else { |
---|
1435 |
// FIXME: in the SPM it would be nice to have system time instead of |
---|
1436 |
// 1394 time |
---|
1437 |
float rate = m_SyncSource->getTicksPerFrame(); |
---|
1438 |
|
---|
1439 |
for ( StreamProcessorVectorIterator it = m_TransmitProcessors.begin(); |
---|
1440 |
it != m_TransmitProcessors.end(); |
---|
1441 |
++it ) { |
---|
1442 |
// this is the delay in frames between the point where a frame is received and |
---|
1443 |
// when it is transmitted again |
---|
1444 |
unsigned int one_ringbuffer_in_frames = m_nb_buffers * m_period + (*it)->getExtraBufferFrames(); |
---|
1445 |
int64_t one_ringbuffer_in_ticks = (int64_t)(((float)one_ringbuffer_in_frames) * rate); |
---|
1446 |
|
---|
1447 |
// the data we are putting into the buffer is intended to be transmitted |
---|
1448 |
// one ringbuffer size after it has been received |
---|
1449 |
int64_t transmit_timestamp = addTicks(m_time_of_transfer, one_ringbuffer_in_ticks); |
---|
1450 |
|
---|
1451 |
if(!(*it)->putSilenceFrames(m_period, transmit_timestamp)) { |
---|
1452 |
debugWarning("could not putSilenceFrames(%u,%lu) to stream processor (%p)\n", |
---|
1453 |
m_period, transmit_timestamp, *it); |
---|
1454 |
retval &= false; // buffer underrun |
---|
1455 |
} |
---|
1456 |
} |
---|
1457 |
} |
---|
1458 |
return retval; |
---|
1459 |
} |
---|
1460 |
|
---|
1461 |
void StreamProcessorManager::dumpInfo() { |
---|
1462 |
debugOutputShort( DEBUG_LEVEL_NORMAL, "----------------------------------------------------\n"); |
---|
1463 |
debugOutputShort( DEBUG_LEVEL_NORMAL, "Dumping StreamProcessorManager information...\n"); |
---|
1464 |
debugOutputShort( DEBUG_LEVEL_NORMAL, "Period count: %6d\n", m_nbperiods); |
---|
1465 |
debugOutputShort( DEBUG_LEVEL_NORMAL, "Data type: %s\n", (m_audio_datatype==eADT_Float?"float":"int24")); |
---|
1466 |
|
---|
1467 |
debugOutputShort( DEBUG_LEVEL_NORMAL, " Receive processors...\n"); |
---|
1468 |
for ( StreamProcessorVectorIterator it = m_ReceiveProcessors.begin(); |
---|
1469 |
it != m_ReceiveProcessors.end(); |
---|
1470 |
++it ) { |
---|
1471 |
(*it)->dumpInfo(); |
---|
1472 |
} |
---|
1473 |
|
---|
1474 |
debugOutputShort( DEBUG_LEVEL_NORMAL, " Transmit processors...\n"); |
---|
1475 |
for ( StreamProcessorVectorIterator it = m_TransmitProcessors.begin(); |
---|
1476 |
it != m_TransmitProcessors.end(); |
---|
1477 |
++it ) { |
---|
1478 |
(*it)->dumpInfo(); |
---|
1479 |
} |
---|
1480 |
|
---|
1481 |
debugOutputShort( DEBUG_LEVEL_NORMAL, "----------------------------------------------------\n"); |
---|
1482 |
|
---|
1483 |
// list port info in verbose mode |
---|
1484 |
debugOutputShort( DEBUG_LEVEL_VERBOSE, "Port Information\n"); |
---|
1485 |
int nb_ports; |
---|
1486 |
|
---|
1487 |
debugOutputShort( DEBUG_LEVEL_VERBOSE, " Playback\n"); |
---|
1488 |
nb_ports = getPortCount(Port::E_Playback); |
---|
1489 |
for(int i=0; i < nb_ports; i++) { |
---|
1490 |
Port *p = getPortByIndex(i, Port::E_Playback); |
---|
1491 |
debugOutputShort( DEBUG_LEVEL_VERBOSE, " %3d (%p): ", i, p); |
---|
1492 |
if (p) { |
---|
1493 |
bool disabled = p->isDisabled(); |
---|
1494 |
debugOutputShort( DEBUG_LEVEL_VERBOSE, "[%p] [%3s] ", &p->getManager(), (disabled?"off":"on")); |
---|
1495 |
debugOutputShort( DEBUG_LEVEL_VERBOSE, "[%7s] ", p->getPortTypeName().c_str()); |
---|
1496 |
debugOutputShort( DEBUG_LEVEL_VERBOSE, "%3s ", p->getName().c_str()); |
---|
1497 |
} else { |
---|
1498 |
debugOutputShort( DEBUG_LEVEL_VERBOSE, "invalid "); |
---|
1499 |
} |
---|
1500 |
debugOutputShort( DEBUG_LEVEL_VERBOSE, "\n"); |
---|
1501 |
} |
---|
1502 |
debugOutputShort( DEBUG_LEVEL_VERBOSE, " Capture\n"); |
---|
1503 |
nb_ports = getPortCount(Port::E_Capture); |
---|
1504 |
for(int i=0; i < nb_ports; i++) { |
---|
1505 |
Port *p = getPortByIndex(i, Port::E_Capture); |
---|
1506 |
debugOutputShort( DEBUG_LEVEL_VERBOSE, " %3d (%p): ", i, p); |
---|
1507 |
if (p) { |
---|
1508 |
bool disabled = p->isDisabled(); |
---|
1509 |
debugOutputShort( DEBUG_LEVEL_VERBOSE, "[%p] [%3s] ", &p->getManager(), (disabled?"off":"on")); |
---|
1510 |
debugOutputShort( DEBUG_LEVEL_VERBOSE, "[%7s] ", p->getPortTypeName().c_str()); |
---|
1511 |
debugOutputShort( DEBUG_LEVEL_VERBOSE, " %3s ", p->getName().c_str()); |
---|
1512 |
} else { |
---|
1513 |
debugOutputShort( DEBUG_LEVEL_VERBOSE, " invalid "); |
---|
1514 |
} |
---|
1515 |
debugOutputShort( DEBUG_LEVEL_VERBOSE, "\n"); |
---|
1516 |
} |
---|
1517 |
|
---|
1518 |
debugOutputShort( DEBUG_LEVEL_VERBOSE, "----------------------------------------------------\n"); |
---|
1519 |
|
---|
1520 |
} |
---|
1521 |
|
---|
1522 |
void StreamProcessorManager::setVerboseLevel(int l) { |
---|
1523 |
if(m_WaitLock) m_WaitLock->setVerboseLevel(l); |
---|
1524 |
|
---|
1525 |
for ( StreamProcessorVectorIterator it = m_ReceiveProcessors.begin(); |
---|
1526 |
it != m_ReceiveProcessors.end(); |
---|
1527 |
++it ) { |
---|
1528 |
(*it)->setVerboseLevel(l); |
---|
1529 |
} |
---|
1530 |
for ( StreamProcessorVectorIterator it = m_TransmitProcessors.begin(); |
---|
1531 |
it != m_TransmitProcessors.end(); |
---|
1532 |
++it ) { |
---|
1533 |
(*it)->setVerboseLevel(l); |
---|
1534 |
} |
---|
1535 |
setDebugLevel(l); |
---|
1536 |
debugOutput( DEBUG_LEVEL_VERBOSE, "Setting verbose level to %d...\n", l ); |
---|
1537 |
} |
---|
1538 |
|
---|
1539 |
int StreamProcessorManager::getPortCount(enum Port::E_PortType type, enum Port::E_Direction direction) { |
---|
1540 |
int count=0; |
---|
1541 |
|
---|
1542 |
if (direction == Port::E_Capture) { |
---|
1543 |
for ( StreamProcessorVectorIterator it = m_ReceiveProcessors.begin(); |
---|
1544 |
it != m_ReceiveProcessors.end(); |
---|
1545 |
++it ) { |
---|
1546 |
count += (*it)->getPortCount(type); |
---|
1547 |
} |
---|
1548 |
} else { |
---|
1549 |
for ( StreamProcessorVectorIterator it = m_TransmitProcessors.begin(); |
---|
1550 |
it != m_TransmitProcessors.end(); |
---|
1551 |
++it ) { |
---|
1552 |
count += (*it)->getPortCount(type); |
---|
1553 |
} |
---|
1554 |
} |
---|
1555 |
return count; |
---|
1556 |
} |
---|
1557 |
|
---|
1558 |
int StreamProcessorManager::getPortCount(enum Port::E_Direction direction) { |
---|
1559 |
int count=0; |
---|
1560 |
|
---|
1561 |
if (direction == Port::E_Capture) { |
---|
1562 |
for ( StreamProcessorVectorIterator it = m_ReceiveProcessors.begin(); |
---|
1563 |
it != m_ReceiveProcessors.end(); |
---|
1564 |
++it ) { |
---|
1565 |
count += (*it)->getPortCount(); |
---|
1566 |
} |
---|
1567 |
} else { |
---|
1568 |
for ( StreamProcessorVectorIterator it = m_TransmitProcessors.begin(); |
---|
1569 |
it != m_TransmitProcessors.end(); |
---|
1570 |
++it ) { |
---|
1571 |
count += (*it)->getPortCount(); |
---|
1572 |
} |
---|
1573 |
} |
---|
1574 |
return count; |
---|
1575 |
} |
---|
1576 |
|
---|
1577 |
void |
---|
1578 |
StreamProcessorManager::updateShadowLists() |
---|
1579 |
{ |
---|
1580 |
debugOutput( DEBUG_LEVEL_VERBOSE, "Updating port shadow lists...\n"); |
---|
1581 |
m_CapturePorts_shadow.clear(); |
---|
1582 |
m_PlaybackPorts_shadow.clear(); |
---|
1583 |
|
---|
1584 |
for ( StreamProcessorVectorIterator it = m_ReceiveProcessors.begin(); |
---|
1585 |
it != m_ReceiveProcessors.end(); |
---|
1586 |
++it ) { |
---|
1587 |
PortManager *pm = *it; |
---|
1588 |
for (int i=0; i < pm->getPortCount(); i++) { |
---|
1589 |
Port *p = pm->getPortAtIdx(i); |
---|
1590 |
if (!p) { |
---|
1591 |
debugError("getPortAtIdx(%d) returned NULL\n", i); |
---|
1592 |
continue; |
---|
1593 |
} |
---|
1594 |
if(p->getDirection() != Port::E_Capture) { |
---|
1595 |
debugError("port at idx %d for receive SP is not a capture port!\n", i); |
---|
1596 |
continue; |
---|
1597 |
} |
---|
1598 |
m_CapturePorts_shadow.push_back(p); |
---|
1599 |
} |
---|
1600 |
} |
---|
1601 |
for ( StreamProcessorVectorIterator it = m_TransmitProcessors.begin(); |
---|
1602 |
it != m_TransmitProcessors.end(); |
---|
1603 |
++it ) { |
---|
1604 |
PortManager *pm = *it; |
---|
1605 |
for (int i=0; i < pm->getPortCount(); i++) { |
---|
1606 |
Port *p = pm->getPortAtIdx(i); |
---|
1607 |
if (!p) { |
---|
1608 |
debugError("getPortAtIdx(%d) returned NULL\n", i); |
---|
1609 |
continue; |
---|
1610 |
} |
---|
1611 |
if(p->getDirection() != Port::E_Playback) { |
---|
1612 |
debugError("port at idx %d for transmit SP is not a playback port!\n", i); |
---|
1613 |
continue; |
---|
1614 |
} |
---|
1615 |
m_PlaybackPorts_shadow.push_back(p); |
---|
1616 |
} |
---|
1617 |
} |
---|
1618 |
} |
---|
1619 |
|
---|
1620 |
Port* StreamProcessorManager::getPortByIndex(int idx, enum Port::E_Direction direction) { |
---|
1621 |
debugOutputExtreme( DEBUG_LEVEL_ULTRA_VERBOSE, "getPortByIndex(%d, %d)...\n", idx, direction); |
---|
1622 |
if (direction == Port::E_Capture) { |
---|
1623 |
#ifdef DEBUG |
---|
1624 |
if(idx >= (int)m_CapturePorts_shadow.size()) { |
---|
1625 |
debugError("Capture port %d out of range (%lu)\n", idx, m_CapturePorts_shadow.size()); |
---|
1626 |
return NULL; |
---|
1627 |
} |
---|
1628 |
#endif |
---|
1629 |
return m_CapturePorts_shadow.at(idx); |
---|
1630 |
} else { |
---|
1631 |
#ifdef DEBUG |
---|
1632 |
if(idx >= (int)m_PlaybackPorts_shadow.size()) { |
---|
1633 |
debugError("Playback port %d out of range (%lu)\n", idx, m_PlaybackPorts_shadow.size()); |
---|
1634 |
return NULL; |
---|
1635 |
} |
---|
1636 |
#endif |
---|
1637 |
return m_PlaybackPorts_shadow.at(idx); |
---|
1638 |
} |
---|
1639 |
return NULL; |
---|
1640 |
} |
---|
1641 |
|
---|
1642 |
bool StreamProcessorManager::setThreadParameters(bool rt, int priority) { |
---|
1643 |
m_thread_realtime=rt; |
---|
1644 |
m_thread_priority=priority; |
---|
1645 |
return true; |
---|
1646 |
} |
---|
1647 |
|
---|
1648 |
|
---|
1649 |
} // end of namespace |
---|