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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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/* |
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* Oxford Semiconductor OXFW970 and OXFW971 support |
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*/ |
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#include "devicemanager.h" |
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#include "oxford_device.h" |
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#include "libavc/general/avc_plug.h" |
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#include "libieee1394/configrom.h" |
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#include "libieee1394/ieee1394service.h" |
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#include "libstreaming/amdtp-oxford/AmdtpOxfordReceiveStreamProcessor.h" |
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#include "libstreaming/amdtp/AmdtpTransmitStreamProcessor.h" |
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#include "libstreaming/amdtp/AmdtpPort.h" |
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#include "libstreaming/amdtp/AmdtpPortInfo.h" |
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#include <sstream> |
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using namespace std; |
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namespace Oxford { |
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Device::Device(DeviceManager& d, std::auto_ptr<ConfigRom>( configRom )) |
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: GenericAVC::Device( d, configRom) |
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{ |
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debugOutput( DEBUG_LEVEL_VERBOSE, "Created Oxford::Device (NodeID %d)\n", |
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getConfigRom().getNodeId() ); |
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m_fixed_clocksource.type = FFADODevice::eCT_Internal; |
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m_fixed_clocksource.valid = true; |
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m_fixed_clocksource.locked = true; |
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m_fixed_clocksource.id = 0; |
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m_fixed_clocksource.slipping = false; |
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m_fixed_clocksource.description = "Internal"; |
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} |
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Device::~Device() |
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{ |
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} |
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void |
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Device::showDevice() |
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{ |
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debugOutput(DEBUG_LEVEL_VERBOSE, "This is a Oxford::Device\n"); |
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GenericAVC::Device::showDevice(); |
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} |
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bool |
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Device::probe( Util::Configuration& c, ConfigRom& configRom, bool generic ) |
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{ |
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if(generic) { |
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// heuristic yet that can tell us whether it's oxford based |
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return false; |
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} else { |
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unsigned int vendorId = configRom.getNodeVendorId(); |
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unsigned int modelId = configRom.getModelId(); |
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Util::Configuration::VendorModelEntry vme = c.findDeviceVME( vendorId, modelId ); |
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return c.isValid(vme) && vme.driver == Util::Configuration::eD_Oxford; |
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} |
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} |
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bool |
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Device::discover() |
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{ |
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Util::MutexLockHelper lock(m_DeviceMutex); |
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unsigned int vendorId = getConfigRom().getNodeVendorId(); |
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unsigned int modelId = getConfigRom().getModelId(); |
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Util::Configuration &c = getDeviceManager().getConfiguration(); |
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Util::Configuration::VendorModelEntry vme = c.findDeviceVME( vendorId, modelId ); |
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if (c.isValid(vme) && vme.driver == Util::Configuration::eD_Oxford) { |
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debugOutput( DEBUG_LEVEL_VERBOSE, "found %s %s\n", |
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vme.vendor_name.c_str(), |
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vme.model_name.c_str()); |
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} else { |
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debugWarning("Using Oxford AV/C support for unsupported device '%s %s'\n", |
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getConfigRom().getVendorName().c_str(), getConfigRom().getModelName().c_str()); |
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} |
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// do the actual discovery |
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if ( !Unit::discover() ) { |
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debugError( "Could not discover unit\n" ); |
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return false; |
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} |
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// the FCA202 has only an audio subunit |
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if((getAudioSubunit( 0 ) == NULL)) { |
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debugError( "Unit doesn't have an Audio subunit.\n"); |
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return false; |
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} |
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return true; |
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} |
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FFADODevice * |
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Device::createDevice(DeviceManager& d, std::auto_ptr<ConfigRom>( configRom )) |
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{ |
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unsigned int vendorId = configRom->getNodeVendorId(); |
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switch(vendorId) { |
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default: return new Device(d, configRom ); |
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} |
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} |
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std::vector<int> |
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Device::getSupportedSamplingFrequencies() |
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{ |
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std::vector<int> frequencies; |
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frequencies.push_back(44100); |
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frequencies.push_back(48000); |
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frequencies.push_back(96000); |
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return frequencies; |
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} |
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FFADODevice::ClockSourceVector |
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Device::getSupportedClockSources() { |
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FFADODevice::ClockSourceVector r; |
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r.push_back(m_fixed_clocksource); |
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return r; |
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} |
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bool |
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Device::setActiveClockSource(ClockSource s) { |
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// can't change, hence only succeed when identical |
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return s.id == m_fixed_clocksource.id; |
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} |
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FFADODevice::ClockSource |
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Device::getActiveClockSource() { |
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return m_fixed_clocksource; |
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} |
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bool |
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Device::prepare() |
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{ |
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bool snoopMode=false; |
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Util::MutexLockHelper lock(m_DeviceMutex); |
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if(!getOption("snoopMode", snoopMode)) { |
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debugWarning("Could not retrieve snoopMode parameter, defauling to false\n"); |
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} |
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/////////// |
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// get plugs |
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AVC::Plug* inputPlug = getPlugById( m_pcrPlugs, AVC::Plug::eAPD_Input, 0 ); |
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if ( !inputPlug ) { |
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debugError( "setSampleRate: Could not retrieve iso input plug 0\n" ); |
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return false; |
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} |
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AVC::Plug* outputPlug = getPlugById( m_pcrPlugs, AVC::Plug::eAPD_Output, 0 ); |
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if ( !outputPlug ) { |
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debugError( "setSampleRate: Could not retrieve iso output plug 0\n" ); |
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return false; |
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} |
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// get the device specific and/or global SP configuration |
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Util::Configuration &config = getDeviceManager().getConfiguration(); |
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// base value is the config.h value |
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float recv_sp_dll_bw = STREAMPROCESSOR_DLL_BW_HZ; |
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float xmit_sp_dll_bw = STREAMPROCESSOR_DLL_BW_HZ; |
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int xmit_max_cycles_early_transmit = AMDTP_MAX_CYCLES_TO_TRANSMIT_EARLY; |
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int xmit_transfer_delay = AMDTP_TRANSMIT_TRANSFER_DELAY; |
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int xmit_min_cycles_before_presentation = AMDTP_MIN_CYCLES_BEFORE_PRESENTATION; |
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// we can override that globally |
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config.getValueForSetting("streaming.common.recv_sp_dll_bw", recv_sp_dll_bw); |
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config.getValueForSetting("streaming.common.xmit_sp_dll_bw", xmit_sp_dll_bw); |
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config.getValueForSetting("streaming.amdtp.xmit_max_cycles_early_transmit", xmit_max_cycles_early_transmit); |
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config.getValueForSetting("streaming.amdtp.xmit_transfer_delay", xmit_transfer_delay); |
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config.getValueForSetting("streaming.amdtp.xmit_min_cycles_before_presentation", xmit_min_cycles_before_presentation); |
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// or override in the device section |
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uint32_t vendorid = getConfigRom().getNodeVendorId(); |
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uint32_t modelid = getConfigRom().getModelId(); |
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config.getValueForDeviceSetting(vendorid, modelid, "recv_sp_dll_bw", recv_sp_dll_bw); |
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config.getValueForDeviceSetting(vendorid, modelid, "xmit_sp_dll_bw", xmit_sp_dll_bw); |
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config.getValueForDeviceSetting(vendorid, modelid, "xmit_max_cycles_early_transmit", xmit_max_cycles_early_transmit); |
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config.getValueForDeviceSetting(vendorid, modelid, "xmit_transfer_delay", xmit_transfer_delay); |
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config.getValueForDeviceSetting(vendorid, modelid, "xmit_min_cycles_before_presentation", xmit_min_cycles_before_presentation); |
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// initialize the SP's |
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debugOutput( DEBUG_LEVEL_VERBOSE, "Initializing receive processor...\n"); |
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// create & add streamprocessors |
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Streaming::StreamProcessor *p; |
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if ( outputPlug->getNrOfChannels() == 0 ) { |
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debugError("Receive plug has no channels\n"); |
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return false; |
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} |
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p = new Streaming::AmdtpOxfordReceiveStreamProcessor(*this, |
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outputPlug->getNrOfChannels()); |
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if(!p->init()) { |
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debugFatal("Could not initialize receive processor!\n"); |
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delete p; |
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return false; |
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} |
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if (!addPlugToProcessor(*outputPlug, p, |
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Streaming::Port::E_Capture)) { |
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debugFatal("Could not add plug to processor!\n"); |
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delete p; |
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return false; |
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} |
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if(!p->setDllBandwidth(recv_sp_dll_bw)) { |
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debugFatal("Could not set DLL bandwidth\n"); |
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delete p; |
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return false; |
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} |
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m_receiveProcessors.push_back(p); |
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// do the transmit processor |
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debugOutput( DEBUG_LEVEL_VERBOSE, "Initializing transmit processor%s...\n", |
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(snoopMode?" in snoop mode":"")); |
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if (snoopMode) { |
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// we are snooping, so this is receive too. |
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p=new Streaming::AmdtpOxfordReceiveStreamProcessor(*this, |
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inputPlug->getNrOfChannels()); |
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} else { |
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Streaming::AmdtpTransmitStreamProcessor * t; |
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t=new Streaming::AmdtpTransmitStreamProcessor(*this, |
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inputPlug->getNrOfChannels()); |
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// NOTE: the oxford devices don't allow payload, otherwise they generate distorted sound |
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// if this generates a compile error it means you try to compile something that won't work |
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t->sendPayloadForNoDataPackets(false); |
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// transmit control parameters |
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t->setMaxCyclesToTransmitEarly(xmit_max_cycles_early_transmit); |
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t->setTransferDelay(xmit_transfer_delay); |
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t->setMinCyclesBeforePresentation(xmit_min_cycles_before_presentation); |
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p=t; |
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} |
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if(!p->init()) { |
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debugFatal("Could not initialize transmit processor %s!\n", |
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(snoopMode?" in snoop mode":"")); |
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delete p; |
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return false; |
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} |
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if (snoopMode) { |
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if (!addPlugToProcessor(*inputPlug, p, |
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Streaming::Port::E_Capture)) { |
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debugFatal("Could not add plug to processor!\n"); |
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return false; |
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} |
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if(!p->setDllBandwidth(recv_sp_dll_bw)) { |
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debugFatal("Could not set DLL bandwidth\n"); |
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delete p; |
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return false; |
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} |
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} else { |
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if (!addPlugToProcessor(*inputPlug, p, |
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Streaming::Port::E_Playback)) { |
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debugFatal("Could not add plug to processor!\n"); |
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return false; |
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} |
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if(!p->setDllBandwidth(xmit_sp_dll_bw)) { |
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debugFatal("Could not set DLL bandwidth\n"); |
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delete p; |
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return false; |
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} |
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} |
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// we put this SP into the transmit SP vector, |
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// no matter if we are in snoop mode or not |
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// this allows us to find out what direction |
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// a certain stream should have. |
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m_transmitProcessors.push_back(p); |
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return true; |
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} |
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} // Oxford |
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