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00020 #include "JackNetDriver.h"
00021 #include "JackEngineControl.h"
00022 #include "JackGraphManager.h"
00023 #include "JackWaitThreadedDriver.h"
00024
00025
00026 using namespace std;
00027
00028 namespace Jack
00029 {
00030 JackNetDriver::JackNetDriver ( const char* name, const char* alias, JackLockedEngine* engine, JackSynchro* table,
00031 const char* ip, int port, int mtu, int midi_input_ports, int midi_output_ports,
00032 char* net_name, uint transport_sync, char network_mode )
00033 : JackAudioDriver ( name, alias, engine, table ), JackNetSlaveInterface ( ip, port )
00034 {
00035 jack_log ( "JackNetDriver::JackNetDriver ip %s, port %d", ip, port );
00036
00037
00038 if ( strcmp ( net_name, "" ) == 0 )
00039 GetHostName ( net_name, JACK_CLIENT_NAME_SIZE );
00040
00041 fParams.fMtu = mtu;
00042 fParams.fSendMidiChannels = midi_input_ports;
00043 fParams.fReturnMidiChannels = midi_output_ports;
00044 strcpy ( fParams.fName, net_name );
00045 fSocket.GetName ( fParams.fSlaveNetName );
00046 fParams.fTransportSync = transport_sync;
00047 fParams.fNetworkMode = network_mode;
00048 fSendTransportData.fState = -1;
00049 fReturnTransportData.fState = -1;
00050 fLastTransportState = -1;
00051 fLastTimebaseMaster = -1;
00052 fMidiCapturePortList = NULL;
00053 fMidiPlaybackPortList = NULL;
00054 #ifdef JACK_MONITOR
00055 fNetTimeMon = NULL;
00056 fRcvSyncUst = 0;
00057 #endif
00058 }
00059
00060 JackNetDriver::~JackNetDriver()
00061 {
00062 delete[] fMidiCapturePortList;
00063 delete[] fMidiPlaybackPortList;
00064 #ifdef JACK_MONITOR
00065 delete fNetTimeMon;
00066 #endif
00067 }
00068
00069
00070 int JackNetDriver::Open ( jack_nframes_t buffer_size, jack_nframes_t samplerate, bool capturing, bool playing,
00071 int inchannels, int outchannels, bool monitor,
00072 const char* capture_driver_name, const char* playback_driver_name,
00073 jack_nframes_t capture_latency, jack_nframes_t playback_latency )
00074 {
00075 if ( JackAudioDriver::Open ( buffer_size,
00076 samplerate,
00077 capturing,
00078 playing,
00079 inchannels,
00080 outchannels,
00081 monitor,
00082 capture_driver_name,
00083 playback_driver_name,
00084 capture_latency,
00085 playback_latency ) == 0 )
00086 {
00087 fEngineControl->fPeriod = 0;
00088 fEngineControl->fComputation = 500 * 1000;
00089 fEngineControl->fConstraint = 500 * 1000;
00090 return 0;
00091 }
00092 else
00093 {
00094 return -1;
00095 }
00096 }
00097
00098 int JackNetDriver::Close()
00099 {
00100 #ifdef JACK_MONITOR
00101 if ( fNetTimeMon )
00102 fNetTimeMon->Save();
00103 #endif
00104 FreeAll();
00105 return JackDriver::Close();
00106 }
00107
00108
00109 int JackNetDriver::Attach()
00110 {
00111 return 0;
00112 }
00113
00114 int JackNetDriver::Detach()
00115 {
00116 return 0;
00117 }
00118
00119
00120
00121
00122
00123
00124
00125 bool JackNetDriver::Initialize()
00126 {
00127 jack_log("JackNetDriver::Initialize()");
00128
00129
00130 if (fSocket.IsSocket()) {
00131 jack_info("Restarting driver...");
00132 FreeAll();
00133 }
00134
00135
00136 fParams.fSendAudioChannels = fCaptureChannels;
00137 fParams.fReturnAudioChannels = fPlaybackChannels;
00138 fParams.fSlaveSyncMode = fEngineControl->fSyncMode;
00139
00140
00141 jack_info ( "NetDriver started in %s mode %s Master's transport sync.",
00142 ( fParams.fSlaveSyncMode ) ? "sync" : "async", ( fParams.fTransportSync ) ? "with" : "without" );
00143
00144
00145 if ( !JackNetSlaveInterface::Init() )
00146 return false;
00147
00148
00149 SetParams();
00150
00151
00152 fMidiCapturePortList = new jack_port_id_t [fParams.fSendMidiChannels];
00153 fMidiPlaybackPortList = new jack_port_id_t [fParams.fReturnMidiChannels];
00154 assert ( fMidiCapturePortList );
00155 assert ( fMidiPlaybackPortList );
00156
00157
00158 if ( AllocPorts() != 0 )
00159 {
00160 jack_error ( "Can't allocate ports." );
00161 return false;
00162 }
00163
00164
00165 SessionParamsDisplay ( &fParams );
00166
00167
00168 #ifdef JACK_MONITOR
00169 string plot_name;
00170
00171 plot_name = string ( fParams.fName );
00172 plot_name += string ( "_slave" );
00173 plot_name += ( fEngineControl->fSyncMode ) ? string ( "_sync" ) : string ( "_async" );
00174 switch ( fParams.fNetworkMode )
00175 {
00176 case 's' :
00177 plot_name += string ( "_slow" );
00178 break;
00179
00180 case 'n' :
00181 plot_name += string ( "_normal" );
00182 break;
00183
00184 case 'f' :
00185 plot_name += string ( "_fast" );
00186 break;
00187 }
00188 fNetTimeMon = new JackGnuPlotMonitor<float> ( 128, 5, plot_name );
00189 string net_time_mon_fields[] =
00190 {
00191 string ( "sync decoded" ),
00192 string ( "end of read" ),
00193 string ( "start of write" ),
00194 string ( "sync send" ),
00195 string ( "end of write" )
00196 };
00197 string net_time_mon_options[] =
00198 {
00199 string ( "set xlabel \"audio cycles\"" ),
00200 string ( "set ylabel \"% of audio cycle\"" )
00201 };
00202 fNetTimeMon->SetPlotFile ( net_time_mon_options, 2, net_time_mon_fields, 5 );
00203 #endif
00204
00205 JackAudioDriver::SetBufferSize ( fParams.fPeriodSize );
00206 JackAudioDriver::SetSampleRate ( fParams.fSampleRate );
00207
00208 JackDriver::NotifyBufferSize ( fParams.fPeriodSize );
00209 JackDriver::NotifySampleRate ( fParams.fSampleRate );
00210
00211
00212 fEngineControl->fTransport.SetNetworkSync ( fParams.fTransportSync );
00213 return true;
00214 }
00215
00216 void JackNetDriver::FreeAll()
00217 {
00218 FreePorts();
00219
00220 delete[] fTxBuffer;
00221 delete[] fRxBuffer;
00222 delete fNetAudioCaptureBuffer;
00223 delete fNetAudioPlaybackBuffer;
00224 delete fNetMidiCaptureBuffer;
00225 delete fNetMidiPlaybackBuffer;
00226 delete[] fMidiCapturePortList;
00227 delete[] fMidiPlaybackPortList;
00228
00229 fTxBuffer = NULL;
00230 fRxBuffer = NULL;
00231 fNetAudioCaptureBuffer = NULL;
00232 fNetAudioPlaybackBuffer = NULL;
00233 fNetMidiCaptureBuffer = NULL;
00234 fNetMidiPlaybackBuffer = NULL;
00235 fMidiCapturePortList = NULL;
00236 fMidiPlaybackPortList = NULL;
00237
00238 #ifdef JACK_MONITOR
00239 delete fNetTimeMon;
00240 fNetTimeMon = NULL;
00241 #endif
00242 }
00243
00244
00245 int JackNetDriver::AllocPorts()
00246 {
00247 jack_log ( "JackNetDriver::AllocPorts fBufferSize = %ld fSampleRate = %ld", fEngineControl->fBufferSize, fEngineControl->fSampleRate );
00248
00249 JackPort* port;
00250 jack_port_id_t port_id;
00251 char name[JACK_CLIENT_NAME_SIZE + JACK_PORT_NAME_SIZE];
00252 char alias[JACK_CLIENT_NAME_SIZE + JACK_PORT_NAME_SIZE];
00253 unsigned long port_flags;
00254 int audio_port_index;
00255 uint midi_port_index;
00256
00257
00258 port_flags = JackPortIsOutput | JackPortIsPhysical | JackPortIsTerminal;
00259 for ( audio_port_index = 0; audio_port_index < fCaptureChannels; audio_port_index++ )
00260 {
00261 snprintf ( alias, sizeof ( alias ) - 1, "%s:%s:out%d", fAliasName, fCaptureDriverName, audio_port_index + 1 );
00262 snprintf ( name, sizeof ( name ) - 1, "%s:capture_%d", fClientControl.fName, audio_port_index + 1 );
00263 if ( ( port_id = fGraphManager->AllocatePort ( fClientControl.fRefNum, name, JACK_DEFAULT_AUDIO_TYPE,
00264 static_cast<JackPortFlags> ( port_flags ), fEngineControl->fBufferSize ) ) == NO_PORT )
00265 {
00266 jack_error ( "driver: cannot register port for %s", name );
00267 return -1;
00268 }
00269 port = fGraphManager->GetPort ( port_id );
00270 port->SetAlias ( alias );
00271
00272 port->SetLatency ( fEngineControl->fBufferSize );
00273 fCapturePortList[audio_port_index] = port_id;
00274 jack_log ( "JackNetDriver::AllocPorts() fCapturePortList[%d] audio_port_index = %ld fPortLatency = %ld", audio_port_index, port_id, port->GetLatency() );
00275 }
00276 port_flags = JackPortIsInput | JackPortIsPhysical | JackPortIsTerminal;
00277 for ( audio_port_index = 0; audio_port_index < fPlaybackChannels; audio_port_index++ )
00278 {
00279 snprintf ( alias, sizeof ( alias ) - 1, "%s:%s:in%d", fAliasName, fPlaybackDriverName, audio_port_index + 1 );
00280 snprintf ( name, sizeof ( name ) - 1, "%s:playback_%d",fClientControl.fName, audio_port_index + 1 );
00281 if ( ( port_id = fGraphManager->AllocatePort ( fClientControl.fRefNum, name, JACK_DEFAULT_AUDIO_TYPE,
00282 static_cast<JackPortFlags> ( port_flags ), fEngineControl->fBufferSize ) ) == NO_PORT )
00283 {
00284 jack_error ( "driver: cannot register port for %s", name );
00285 return -1;
00286 }
00287 port = fGraphManager->GetPort ( port_id );
00288 port->SetAlias ( alias );
00289
00290 switch ( fParams.fNetworkMode )
00291 {
00292 case 'f' :
00293 port->SetLatency ( ( fEngineControl->fSyncMode ) ? 0 : fEngineControl->fBufferSize );
00294 break;
00295 case 'n' :
00296 port->SetLatency ( fEngineControl->fBufferSize + ( fEngineControl->fSyncMode ) ? 0 : fEngineControl->fBufferSize );
00297 break;
00298 case 's' :
00299 port->SetLatency ( 2 * fEngineControl->fBufferSize + ( fEngineControl->fSyncMode ) ? 0 : fEngineControl->fBufferSize );
00300 break;
00301 }
00302 fPlaybackPortList[audio_port_index] = port_id;
00303 jack_log ( "JackNetDriver::AllocPorts() fPlaybackPortList[%d] audio_port_index = %ld fPortLatency = %ld", audio_port_index, port_id, port->GetLatency() );
00304 }
00305
00306 port_flags = JackPortIsOutput | JackPortIsPhysical | JackPortIsTerminal;
00307 for ( midi_port_index = 0; midi_port_index < fParams.fSendMidiChannels; midi_port_index++ )
00308 {
00309 snprintf ( alias, sizeof ( alias ) - 1, "%s:%s:out%d", fAliasName, fCaptureDriverName, midi_port_index + 1 );
00310 snprintf ( name, sizeof ( name ) - 1, "%s:midi_capture_%d", fClientControl.fName, midi_port_index + 1 );
00311 if ( ( port_id = fGraphManager->AllocatePort ( fClientControl.fRefNum, name, JACK_DEFAULT_MIDI_TYPE,
00312 static_cast<JackPortFlags> ( port_flags ), fEngineControl->fBufferSize ) ) == NO_PORT )
00313 {
00314 jack_error ( "driver: cannot register port for %s", name );
00315 return -1;
00316 }
00317 port = fGraphManager->GetPort ( port_id );
00318
00319 port->SetLatency ( fEngineControl->fBufferSize );
00320 fMidiCapturePortList[midi_port_index] = port_id;
00321 jack_log ( "JackNetDriver::AllocPorts() fMidiCapturePortList[%d] midi_port_index = %ld fPortLatency = %ld", midi_port_index, port_id, port->GetLatency() );
00322 }
00323
00324 port_flags = JackPortIsInput | JackPortIsPhysical | JackPortIsTerminal;
00325 for ( midi_port_index = 0; midi_port_index < fParams.fReturnMidiChannels; midi_port_index++ )
00326 {
00327 snprintf ( alias, sizeof ( alias ) - 1, "%s:%s:in%d", fAliasName, fPlaybackDriverName, midi_port_index + 1 );
00328 snprintf ( name, sizeof ( name ) - 1, "%s:midi_playback_%d", fClientControl.fName, midi_port_index + 1 );
00329 if ( ( port_id = fGraphManager->AllocatePort ( fClientControl.fRefNum, name, JACK_DEFAULT_MIDI_TYPE,
00330 static_cast<JackPortFlags> ( port_flags ), fEngineControl->fBufferSize ) ) == NO_PORT )
00331 {
00332 jack_error ( "driver: cannot register port for %s", name );
00333 return -1;
00334 }
00335 port = fGraphManager->GetPort ( port_id );
00336
00337 switch ( fParams.fNetworkMode )
00338 {
00339 case 'f' :
00340 port->SetLatency ( ( fEngineControl->fSyncMode ) ? 0 : fEngineControl->fBufferSize );
00341 break;
00342 case 'n' :
00343 port->SetLatency ( fEngineControl->fBufferSize + ( fEngineControl->fSyncMode ) ? 0 : fEngineControl->fBufferSize ) ;
00344 break;
00345 case 's' :
00346 port->SetLatency ( 2 * fEngineControl->fBufferSize + ( fEngineControl->fSyncMode ) ? 0 : fEngineControl->fBufferSize );
00347 break;
00348 }
00349 fMidiPlaybackPortList[midi_port_index] = port_id;
00350 jack_log ( "JackNetDriver::AllocPorts() fMidiPlaybackPortList[%d] midi_port_index = %ld fPortLatency = %ld", midi_port_index, port_id, port->GetLatency() );
00351 }
00352
00353 return 0;
00354 }
00355
00356 int JackNetDriver::FreePorts()
00357 {
00358 jack_log ( "JackNetDriver::FreePorts" );
00359
00360 int audio_port_index;
00361 uint midi_port_index;
00362 for ( audio_port_index = 0; audio_port_index < fCaptureChannels; audio_port_index++ )
00363 if (fCapturePortList[audio_port_index] > 0)
00364 fGraphManager->ReleasePort ( fClientControl.fRefNum, fCapturePortList[audio_port_index] );
00365 for ( audio_port_index = 0; audio_port_index < fPlaybackChannels; audio_port_index++ )
00366 if (fPlaybackPortList[audio_port_index] > 0)
00367 fGraphManager->ReleasePort ( fClientControl.fRefNum, fPlaybackPortList[audio_port_index] );
00368 for ( midi_port_index = 0; midi_port_index < fParams.fSendMidiChannels; midi_port_index++ )
00369 if (fMidiCapturePortList[midi_port_index] > 0)
00370 fGraphManager->ReleasePort ( fClientControl.fRefNum, fMidiCapturePortList[midi_port_index] );
00371 for ( midi_port_index = 0; midi_port_index < fParams.fReturnMidiChannels; midi_port_index++ )
00372 if (fMidiPlaybackPortList[midi_port_index] > 0)
00373 fGraphManager->ReleasePort ( fClientControl.fRefNum, fMidiPlaybackPortList[midi_port_index] );
00374 return 0;
00375 }
00376
00377 JackMidiBuffer* JackNetDriver::GetMidiInputBuffer ( int port_index )
00378 {
00379 return static_cast<JackMidiBuffer*> ( fGraphManager->GetBuffer ( fMidiCapturePortList[port_index], fEngineControl->fBufferSize ) );
00380 }
00381
00382 JackMidiBuffer* JackNetDriver::GetMidiOutputBuffer ( int port_index )
00383 {
00384 return static_cast<JackMidiBuffer*> ( fGraphManager->GetBuffer ( fMidiPlaybackPortList[port_index], fEngineControl->fBufferSize ) );
00385 }
00386
00387
00388 void JackNetDriver::DecodeTransportData()
00389 {
00390
00391
00392
00393
00394 int refnum;
00395 bool conditional;
00396 if ( fSendTransportData.fTimebaseMaster == TIMEBASEMASTER )
00397 {
00398 fEngineControl->fTransport.GetTimebaseMaster ( refnum, conditional );
00399 if ( refnum != -1 )
00400 fEngineControl->fTransport.ResetTimebase ( refnum );
00401 jack_info ( "The NetMaster is now the new timebase master." );
00402 }
00403
00404
00405 if ( fSendTransportData.fNewState && ( fSendTransportData.fState != fEngineControl->fTransport.GetState() ) )
00406 {
00407
00408 switch ( fSendTransportData.fState )
00409 {
00410 case JackTransportStopped :
00411 fEngineControl->fTransport.SetCommand ( TransportCommandStop );
00412 jack_info ( "Master stops transport." );
00413 break;
00414
00415 case JackTransportStarting :
00416 fEngineControl->fTransport.RequestNewPos ( &fSendTransportData.fPosition );
00417 fEngineControl->fTransport.SetCommand ( TransportCommandStart );
00418 jack_info ( "Master starts transport frame = %d", fSendTransportData.fPosition.frame);
00419 break;
00420
00421 case JackTransportRolling :
00422
00423 fEngineControl->fTransport.SetState ( JackTransportRolling );
00424 jack_info ( "Master is rolling." );
00425 break;
00426 }
00427 }
00428 }
00429
00430 void JackNetDriver::EncodeTransportData()
00431 {
00432
00433
00434
00435
00436
00437
00438
00439
00440
00441
00442
00443
00444
00445
00446
00447
00448
00449
00450
00451
00452
00453
00454
00455
00456
00457
00458 fReturnTransportData.fState = fEngineControl->fTransport.Query ( &fReturnTransportData.fPosition );
00459
00460
00461 fReturnTransportData.fNewState = (( fReturnTransportData.fState == JackTransportNetStarting) &&
00462 ( fReturnTransportData.fState != fLastTransportState ) &&
00463 ( fReturnTransportData.fState != fSendTransportData.fState ) );
00464 if ( fReturnTransportData.fNewState )
00465 jack_info ( "Sending '%s'.", GetTransportState ( fReturnTransportData.fState ) );
00466 fLastTransportState = fReturnTransportData.fState;
00467 }
00468
00469
00470 int JackNetDriver::Read()
00471 {
00472 uint midi_port_index;
00473 uint audio_port_index;
00474
00475
00476 for ( midi_port_index = 0; midi_port_index < fParams.fSendMidiChannels; midi_port_index++ )
00477 fNetMidiCaptureBuffer->SetBuffer ( midi_port_index, GetMidiInputBuffer ( midi_port_index ) );
00478 for ( audio_port_index = 0; audio_port_index < fParams.fSendAudioChannels; audio_port_index++ )
00479 fNetAudioCaptureBuffer->SetBuffer ( audio_port_index, GetInputBuffer ( audio_port_index ) );
00480
00481 #ifdef JACK_MONITOR
00482 fNetTimeMon->New();
00483 #endif
00484
00485
00486 if ( SyncRecv() == SOCKET_ERROR )
00487 return 0;
00488
00489 #ifdef JACK_MONITOR
00490
00491 fRcvSyncUst = GetMicroSeconds();
00492 #endif
00493
00494
00495
00496 DecodeSyncPacket();
00497
00498 #ifdef JACK_MONITOR
00499 fNetTimeMon->Add ( ( ( float ) ( GetMicroSeconds() - fRcvSyncUst ) / ( float ) fEngineControl->fPeriodUsecs ) * 100.f );
00500 #endif
00501
00502 if ( DataRecv() == SOCKET_ERROR )
00503 return SOCKET_ERROR;
00504
00505
00506 JackDriver::CycleTakeBeginTime();
00507
00508 #ifdef JACK_MONITOR
00509 fNetTimeMon->Add ( ( ( float ) ( GetMicroSeconds() - fRcvSyncUst ) / ( float ) fEngineControl->fPeriodUsecs ) * 100.f );
00510 #endif
00511
00512 return 0;
00513 }
00514
00515 int JackNetDriver::Write()
00516 {
00517 uint midi_port_index;
00518 int audio_port_index;
00519
00520
00521 for ( midi_port_index = 0; midi_port_index < fParams.fReturnMidiChannels; midi_port_index++ )
00522 fNetMidiPlaybackBuffer->SetBuffer ( midi_port_index, GetMidiOutputBuffer ( midi_port_index ) );
00523 for ( audio_port_index = 0; audio_port_index < fPlaybackChannels; audio_port_index++ )
00524 fNetAudioPlaybackBuffer->SetBuffer ( audio_port_index, GetOutputBuffer ( audio_port_index ) );
00525
00526 #ifdef JACK_MONITOR
00527 fNetTimeMon->Add ( ( ( float ) ( GetMicroSeconds() - fRcvSyncUst ) / ( float ) fEngineControl->fPeriodUsecs ) * 100.f );
00528 #endif
00529
00530
00531 EncodeSyncPacket();
00532
00533
00534 if ( SyncSend() == SOCKET_ERROR )
00535 return SOCKET_ERROR;
00536
00537 #ifdef JACK_MONITOR
00538 fNetTimeMon->Add ( ( ( float ) ( GetMicroSeconds() - fRcvSyncUst ) / ( float ) fEngineControl->fPeriodUsecs ) * 100.f );
00539 #endif
00540
00541
00542 if ( DataSend() == SOCKET_ERROR )
00543 return SOCKET_ERROR;
00544
00545 #ifdef JACK_MONITOR
00546 fNetTimeMon->AddLast ( ( ( float ) ( GetMicroSeconds() - fRcvSyncUst ) / ( float ) fEngineControl->fPeriodUsecs ) * 100.f );
00547 #endif
00548
00549 return 0;
00550 }
00551
00552
00553
00554 #ifdef __cplusplus
00555 extern "C"
00556 {
00557 #endif
00558 SERVER_EXPORT jack_driver_desc_t* driver_get_descriptor ()
00559 {
00560 jack_driver_desc_t* desc = ( jack_driver_desc_t* ) calloc ( 1, sizeof ( jack_driver_desc_t ) );
00561
00562 strcpy ( desc->name, "net" );
00563 strcpy ( desc->desc, "netjack slave backend component" );
00564
00565 desc->nparams = 10;
00566 desc->params = ( jack_driver_param_desc_t* ) calloc ( desc->nparams, sizeof ( jack_driver_param_desc_t ) );
00567
00568 int i = 0;
00569 strcpy ( desc->params[i].name, "multicast_ip" );
00570 desc->params[i].character = 'a';
00571 desc->params[i].type = JackDriverParamString;
00572 strcpy ( desc->params[i].value.str, DEFAULT_MULTICAST_IP );
00573 strcpy ( desc->params[i].short_desc, "Multicast Address" );
00574 strcpy ( desc->params[i].long_desc, desc->params[i].short_desc );
00575
00576 i++;
00577 strcpy ( desc->params[i].name, "udp_net_port" );
00578 desc->params[i].character = 'p';
00579 desc->params[i].type = JackDriverParamInt;
00580 desc->params[i].value.i = DEFAULT_PORT;
00581 strcpy ( desc->params[i].short_desc, "UDP port" );
00582 strcpy ( desc->params[i].long_desc, desc->params[i].short_desc );
00583
00584 i++;
00585 strcpy ( desc->params[i].name, "mtu" );
00586 desc->params[i].character = 'M';
00587 desc->params[i].type = JackDriverParamInt;
00588 desc->params[i].value.i = DEFAULT_MTU;
00589 strcpy ( desc->params[i].short_desc, "MTU to the master" );
00590 strcpy ( desc->params[i].long_desc, desc->params[i].short_desc );
00591
00592 i++;
00593 strcpy ( desc->params[i].name, "input_ports" );
00594 desc->params[i].character = 'C';
00595 desc->params[i].type = JackDriverParamInt;
00596 desc->params[i].value.i = 2;
00597 strcpy ( desc->params[i].short_desc, "Number of audio input ports" );
00598 strcpy ( desc->params[i].long_desc, desc->params[i].short_desc );
00599
00600 i++;
00601 strcpy ( desc->params[i].name, "output_ports" );
00602 desc->params[i].character = 'P';
00603 desc->params[i].type = JackDriverParamInt;
00604 desc->params[i].value.i = 2;
00605 strcpy ( desc->params[i].short_desc, "Number of audio output ports" );
00606 strcpy ( desc->params[i].long_desc, desc->params[i].short_desc );
00607
00608 i++;
00609 strcpy ( desc->params[i].name, "midi_in_ports" );
00610 desc->params[i].character = 'i';
00611 desc->params[i].type = JackDriverParamInt;
00612 desc->params[i].value.i = 0;
00613 strcpy ( desc->params[i].short_desc, "Number of midi input ports" );
00614 strcpy ( desc->params[i].long_desc, desc->params[i].short_desc );
00615
00616 i++;
00617 strcpy ( desc->params[i].name, "midi_out_ports" );
00618 desc->params[i].character = 'o';
00619 desc->params[i].type = JackDriverParamUInt;
00620 desc->params[i].value.i = 0;
00621 strcpy ( desc->params[i].short_desc, "Number of midi output ports" );
00622 strcpy ( desc->params[i].long_desc, desc->params[i].short_desc );
00623
00624 i++;
00625 strcpy ( desc->params[i].name, "client_name" );
00626 desc->params[i].character = 'n';
00627 desc->params[i].type = JackDriverParamString;
00628 strcpy ( desc->params[i].value.str, "'hostname'" );
00629 strcpy ( desc->params[i].short_desc, "Name of the jack client" );
00630 strcpy ( desc->params[i].long_desc, desc->params[i].short_desc );
00631
00632 i++;
00633 strcpy ( desc->params[i].name, "transport_sync" );
00634 desc->params[i].character = 't';
00635 desc->params[i].type = JackDriverParamUInt;
00636 desc->params[i].value.ui = 1U;
00637 strcpy ( desc->params[i].short_desc, "Sync transport with master's" );
00638 strcpy ( desc->params[i].long_desc, desc->params[i].short_desc );
00639
00640 i++;
00641 strcpy ( desc->params[i].name, "mode" );
00642 desc->params[i].character = 'm';
00643 desc->params[i].type = JackDriverParamString;
00644 strcpy ( desc->params[i].value.str, "slow" );
00645 strcpy ( desc->params[i].short_desc, "Slow, Normal or Fast mode." );
00646 strcpy ( desc->params[i].long_desc, desc->params[i].short_desc );
00647
00648 return desc;
00649 }
00650
00651 SERVER_EXPORT Jack::JackDriverClientInterface* driver_initialize ( Jack::JackLockedEngine* engine, Jack::JackSynchro* table, const JSList* params )
00652 {
00653 char multicast_ip[16];
00654 strcpy ( multicast_ip, DEFAULT_MULTICAST_IP );
00655 char net_name[JACK_CLIENT_NAME_SIZE + 1];
00656 int udp_port = DEFAULT_PORT;
00657 int mtu = DEFAULT_MTU;
00658 uint transport_sync = 1;
00659 jack_nframes_t period_size = 128;
00660 jack_nframes_t sample_rate = 48000;
00661 int audio_capture_ports = 2;
00662 int audio_playback_ports = 2;
00663 int midi_input_ports = 0;
00664 int midi_output_ports = 0;
00665 bool monitor = false;
00666 char network_mode = 's';
00667 const JSList* node;
00668 const jack_driver_param_t* param;
00669
00670 net_name[0] = 0;
00671
00672 for ( node = params; node; node = jack_slist_next ( node ) )
00673 {
00674 param = ( const jack_driver_param_t* ) node->data;
00675 switch ( param->character )
00676 {
00677 case 'a' :
00678 strncpy ( multicast_ip, param->value.str, 15 );
00679 break;
00680 case 'p':
00681 udp_port = param->value.ui;
00682 break;
00683 case 'M':
00684 mtu = param->value.i;
00685 break;
00686 case 'C':
00687 audio_capture_ports = param->value.i;
00688 break;
00689 case 'P':
00690 audio_playback_ports = param->value.i;
00691 break;
00692 case 'i':
00693 midi_input_ports = param->value.i;
00694 break;
00695 case 'o':
00696 midi_output_ports = param->value.i;
00697 break;
00698 case 'n' :
00699 strncpy ( net_name, param->value.str, JACK_CLIENT_NAME_SIZE );
00700 break;
00701 case 't' :
00702 transport_sync = param->value.ui;
00703 break;
00704 case 'm' :
00705 if ( strcmp ( param->value.str, "normal" ) == 0 )
00706 network_mode = 'n';
00707 else if ( strcmp ( param->value.str, "slow" ) == 0 )
00708 network_mode = 's';
00709 else if ( strcmp ( param->value.str, "fast" ) == 0 )
00710 network_mode = 'f';
00711 else
00712 jack_error ( "Unknown network mode, using 'normal' mode." );
00713 break;
00714 }
00715 }
00716
00717 try
00718 {
00719
00720 Jack::JackDriverClientInterface* driver =
00721 new Jack::JackWaitThreadedDriver (
00722 new Jack::JackNetDriver ( "system", "net_pcm", engine, table, multicast_ip, udp_port, mtu,
00723 midi_input_ports, midi_output_ports, net_name, transport_sync, network_mode ) );
00724 if ( driver->Open ( period_size, sample_rate, 1, 1, audio_capture_ports, audio_playback_ports,
00725 monitor, "from_master_", "to_master_", 0, 0 ) == 0 )
00726 {
00727 return driver;
00728 }
00729 else
00730 {
00731 delete driver;
00732 return NULL;
00733 }
00734
00735 }
00736 catch ( ... )
00737 {
00738 return NULL;
00739 }
00740 }
00741
00742 #ifdef __cplusplus
00743 }
00744 #endif
00745 }