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00020
00021 #include "JackSystemDeps.h"
00022 #include "JackServerGlobals.h"
00023 #include "JackTime.h"
00024 #include "JackFreewheelDriver.h"
00025 #include "JackDummyDriver.h"
00026 #include "JackThreadedDriver.h"
00027 #include "JackGlobals.h"
00028 #include "JackLockedEngine.h"
00029 #include "JackAudioDriver.h"
00030 #include "JackChannel.h"
00031 #include "JackClientControl.h"
00032 #include "JackEngineControl.h"
00033 #include "JackGraphManager.h"
00034 #include "JackInternalClient.h"
00035 #include "JackError.h"
00036 #include "JackMessageBuffer.h"
00037
00038 namespace Jack
00039 {
00040
00041 JackServer::JackServer(bool sync, bool temporary, long timeout, bool rt, long priority, bool verbose, jack_timer_type_t clock, const char* server_name)
00042 {
00043 if (rt) {
00044 jack_info("JACK server starting in realtime mode with priority %ld", priority);
00045 } else {
00046 jack_info("JACK server starting in non-realtime mode");
00047 }
00048
00049 fGraphManager = new JackGraphManager();
00050 fEngineControl = new JackEngineControl(sync, temporary, timeout, rt, priority, verbose, clock, server_name);
00051 fEngine = new JackLockedEngine(fGraphManager, GetSynchroTable(), fEngineControl);
00052 fFreewheelDriver = new JackThreadedDriver(new JackFreewheelDriver(fEngine, GetSynchroTable()));
00053 fDriverInfo = new JackDriverInfo();
00054 fAudioDriver = NULL;
00055 fFreewheel = false;
00056 JackServerGlobals::fInstance = this;
00057 JackServerGlobals::fUserCount = 1;
00058 jack_verbose = verbose;
00059 }
00060
00061 JackServer::~JackServer()
00062 {
00063 delete fGraphManager;
00064 delete fAudioDriver;
00065 delete fDriverInfo;
00066 delete fFreewheelDriver;
00067 delete fEngine;
00068 delete fEngineControl;
00069 }
00070
00071 int JackServer::Open(jack_driver_desc_t* driver_desc, JSList* driver_params)
00072 {
00073
00074 JackMessageBuffer::Create();
00075
00076 if (fChannel.Open(fEngineControl->fServerName, this) < 0) {
00077 jack_error("Server channel open error");
00078 goto fail_close1;
00079 }
00080
00081 if (fEngine->Open() != 0) {
00082 jack_error("Cannot open engine");
00083 goto fail_close2;
00084 }
00085
00086 if ((fAudioDriver = fDriverInfo->Open(driver_desc, fEngine, GetSynchroTable(), driver_params)) == NULL) {
00087 jack_error("Cannot initialize driver");
00088 goto fail_close3;
00089 }
00090
00091 if (fFreewheelDriver->Open() != 0) {
00092 jack_error("Cannot open driver");
00093 goto fail_close4;
00094 }
00095
00096 if (fAudioDriver->Attach() != 0) {
00097 jack_error("Cannot attach audio driver");
00098 goto fail_close5;
00099 }
00100
00101 fFreewheelDriver->SetMaster(false);
00102 fAudioDriver->SetMaster(true);
00103 fAudioDriver->AddSlave(fFreewheelDriver);
00104 InitTime();
00105 SetClockSource(fEngineControl->fClockSource);
00106 return 0;
00107
00108 fail_close5:
00109 fFreewheelDriver->Close();
00110
00111 fail_close4:
00112 fAudioDriver->Close();
00113
00114 fail_close3:
00115 fEngine->Close();
00116
00117 fail_close2:
00118 fChannel.Close();
00119
00120 fail_close1:
00121 JackMessageBuffer::Destroy();
00122 return -1;
00123 }
00124
00125 int JackServer::Close()
00126 {
00127 jack_log("JackServer::Close");
00128 fChannel.Close();
00129 fAudioDriver->Detach();
00130 fAudioDriver->Close();
00131 fFreewheelDriver->Close();
00132 fEngine->Close();
00133
00134 JackMessageBuffer::Destroy();
00135 return 0;
00136 }
00137
00138 int JackServer::InternalClientLoad(const char* client_name, const char* so_name, const char* objet_data, int options, int* int_ref, int* status)
00139 {
00140 JackLoadableInternalClient* client = new JackLoadableInternalClient1(JackServerGlobals::fInstance, GetSynchroTable(), objet_data);
00141 assert(client);
00142 return InternalClientLoadAux(client, so_name, client_name, options, int_ref, status);
00143 }
00144
00145 int JackServer::InternalClientLoad(const char* client_name, const char* so_name, const JSList * parameters, int options, int* int_ref, int* status)
00146 {
00147 JackLoadableInternalClient* client = new JackLoadableInternalClient2(JackServerGlobals::fInstance, GetSynchroTable(), parameters);
00148 assert(client);
00149 return InternalClientLoadAux(client, so_name, client_name, options, int_ref, status);
00150 }
00151
00152 int JackServer::InternalClientLoadAux(JackLoadableInternalClient* client, const char* so_name, const char* client_name, int options, int* int_ref, int* status)
00153 {
00154
00155 *status = 0;
00156 if ((client->Init(so_name) < 0) || (client->Open(JACK_DEFAULT_SERVER_NAME, client_name, (jack_options_t)options, (jack_status_t*)status) < 0)) {
00157 delete client;
00158 int my_status1 = *status | JackFailure;
00159 *status = (jack_status_t)my_status1;
00160 *int_ref = 0;
00161 return -1;
00162 } else {
00163 *int_ref = client->GetClientControl()->fRefNum;
00164 return 0;
00165 }
00166 }
00167
00168 int JackServer::Start()
00169 {
00170 jack_log("JackServer::Start");
00171 return fAudioDriver->Start();
00172 }
00173
00174 int JackServer::Stop()
00175 {
00176 jack_log("JackServer::Stop");
00177 return fAudioDriver->Stop();
00178 }
00179
00180 int JackServer::SetBufferSize(jack_nframes_t buffer_size)
00181 {
00182 jack_log("JackServer::SetBufferSize nframes = %ld", buffer_size);
00183 jack_nframes_t current_buffer_size = fEngineControl->fBufferSize;
00184
00185 if (current_buffer_size == buffer_size) {
00186 jack_log("SetBufferSize: requirement for new buffer size equals current value");
00187 return 0;
00188 }
00189
00190 if (fAudioDriver->IsFixedBufferSize()) {
00191 jack_log("SetBufferSize: driver only supports a fixed buffer size");
00192 return -1;
00193 }
00194
00195 if (fAudioDriver->Stop() != 0) {
00196 jack_error("Cannot stop audio driver");
00197 return -1;
00198 }
00199
00200 if (fAudioDriver->SetBufferSize(buffer_size) == 0) {
00201 fFreewheelDriver->SetBufferSize(buffer_size);
00202 fEngine->NotifyBufferSize(buffer_size);
00203 return fAudioDriver->Start();
00204 } else {
00205 jack_error("Cannot SetBufferSize for audio driver, restore current value %ld", current_buffer_size);
00206 fAudioDriver->SetBufferSize(current_buffer_size);
00207 fFreewheelDriver->SetBufferSize(current_buffer_size);
00208 fAudioDriver->Start();
00209
00210 return -1;
00211 }
00212 }
00213
00214
00215
00216
00217
00218
00219
00220
00221
00222
00223
00224
00225
00226 int JackServer::SetFreewheel(bool onoff)
00227 {
00228 jack_log("JackServer::SetFreewheel is = %ld want = %ld", fFreewheel, onoff);
00229
00230 if (fFreewheel) {
00231 if (onoff) {
00232 return -1;
00233 } else {
00234 fFreewheel = false;
00235 fFreewheelDriver->Stop();
00236 fGraphManager->Restore(&fConnectionState);
00237 fEngine->NotifyFreewheel(onoff);
00238 fFreewheelDriver->SetMaster(false);
00239 return fAudioDriver->Start();
00240 }
00241 } else {
00242 if (onoff) {
00243 fFreewheel = true;
00244 fAudioDriver->Stop();
00245 fGraphManager->Save(&fConnectionState);
00246 fGraphManager->DisconnectAllPorts(fAudioDriver->GetClientControl()->fRefNum);
00247 fEngine->NotifyFreewheel(onoff);
00248 fFreewheelDriver->SetMaster(true);
00249 return fFreewheelDriver->Start();
00250 } else {
00251 return -1;
00252 }
00253 }
00254 }
00255
00256
00257 void JackServer::Notify(int refnum, int notify, int value)
00258 {
00259 switch (notify) {
00260
00261 case kGraphOrderCallback:
00262 fEngine->NotifyGraphReorder();
00263 break;
00264
00265 case kXRunCallback:
00266 fEngine->NotifyXRun(refnum);
00267 break;
00268
00269 }
00270 }
00271
00272 void JackServer::ClientKill(int refnum)
00273 {
00274 jack_log("JackServer::ClientKill ref = %ld", refnum);
00275 if (fEngine->ClientDeactivate(refnum) < 0) {
00276 jack_error("JackServer::ClientKill ref = %ld cannot be removed from the graph !!", refnum);
00277 }
00278 if (fEngine->ClientExternalClose(refnum) < 0) {
00279 jack_error("JackServer::ClientKill ref = %ld cannot be closed", refnum);
00280 }
00281 }
00282
00283
00284
00285
00286
00287 JackDriverInfo* JackServer::AddSlave(jack_driver_desc_t* driver_desc, JSList* driver_params)
00288 {
00289 JackDriverInfo* info = new JackDriverInfo();
00290 JackDriverClientInterface* slave = info->Open(driver_desc, fEngine, GetSynchroTable(), driver_params);
00291 if (slave == NULL) {
00292 delete info;
00293 return NULL;
00294 } else {
00295 slave->Attach();
00296 fAudioDriver->AddSlave(slave);
00297 return info;
00298 }
00299 }
00300
00301 void JackServer::RemoveSlave(JackDriverInfo* info)
00302 {
00303 JackDriverClientInterface* slave = info->GetBackend();
00304 fAudioDriver->RemoveSlave(slave);
00305 slave->Detach();
00306 slave->Close();
00307 }
00308
00309 int JackServer::SwitchMaster(jack_driver_desc_t* driver_desc, JSList* driver_params)
00310 {
00312 fAudioDriver->Stop();
00313 fAudioDriver->Detach();
00314 fAudioDriver->Close();
00315
00316
00317 JackDriverInfo* info = new JackDriverInfo();
00318 JackDriverClientInterface* master = info->Open(driver_desc, fEngine, GetSynchroTable(), driver_params);
00319
00320 if (master == NULL || info == NULL) {
00321 delete info;
00322 delete master;
00323 return -1;
00324 } else {
00325
00326
00327 std::list<JackDriverInterface*> slave_list = fAudioDriver->GetSlaves();
00328 std::list<JackDriverInterface*>::const_iterator it;
00329
00330
00331 for (it = slave_list.begin(); it != slave_list.end(); it++) {
00332 JackDriverInterface* slave = *it;
00333 master->AddSlave(slave);
00334 }
00335
00336
00337 delete fAudioDriver;
00338 delete fDriverInfo;
00339
00340
00341 fAudioDriver = master;
00342 fDriverInfo = info;
00343 fAudioDriver->Attach();
00344 fAudioDriver->SetMaster(true);
00345 return fAudioDriver->Start();
00346 }
00347 }
00348
00349
00350
00351
00352
00353 int JackServer::ReleaseTimebase(int refnum)
00354 {
00355 return fEngineControl->fTransport.ResetTimebase(refnum);
00356 }
00357
00358 int JackServer::SetTimebaseCallback(int refnum, int conditional)
00359 {
00360 return fEngineControl->fTransport.SetTimebaseMaster(refnum, conditional);
00361 }
00362
00363 JackLockedEngine* JackServer::GetEngine()
00364 {
00365 return fEngine;
00366 }
00367
00368 JackSynchro* JackServer::GetSynchroTable()
00369 {
00370 return fSynchroTable;
00371 }
00372
00373 JackEngineControl* JackServer::GetEngineControl()
00374 {
00375 return fEngineControl;
00376 }
00377
00378 JackGraphManager* JackServer::GetGraphManager()
00379 {
00380 return fGraphManager;
00381 }
00382
00383
00384 }
00385