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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 JackGlobals::fVerbose = 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 if (fAudioDriver->Start() < 0) {
00172 return -1;
00173 }
00174 return fChannel.Start();
00175 }
00176
00177 int JackServer::Stop()
00178 {
00179 jack_log("JackServer::Stop");
00180 return fAudioDriver->Stop();
00181 }
00182
00183 int JackServer::SetBufferSize(jack_nframes_t buffer_size)
00184 {
00185 jack_log("JackServer::SetBufferSize nframes = %ld", buffer_size);
00186 jack_nframes_t current_buffer_size = fEngineControl->fBufferSize;
00187
00188 if (current_buffer_size == buffer_size) {
00189 jack_log("SetBufferSize: requirement for new buffer size equals current value");
00190 return 0;
00191 }
00192
00193 if (fAudioDriver->IsFixedBufferSize()) {
00194 jack_log("SetBufferSize: driver only supports a fixed buffer size");
00195 return -1;
00196 }
00197
00198 if (fAudioDriver->Stop() != 0) {
00199 jack_error("Cannot stop audio driver");
00200 return -1;
00201 }
00202
00203 if (fAudioDriver->SetBufferSize(buffer_size) == 0) {
00204 fFreewheelDriver->SetBufferSize(buffer_size);
00205 fEngine->NotifyBufferSize(buffer_size);
00206 return fAudioDriver->Start();
00207 } else {
00208 jack_error("Cannot SetBufferSize for audio driver, restore current value %ld", current_buffer_size);
00209 fAudioDriver->SetBufferSize(current_buffer_size);
00210 fFreewheelDriver->SetBufferSize(current_buffer_size);
00211 fAudioDriver->Start();
00212
00213 return -1;
00214 }
00215 }
00216
00217
00218
00219
00220
00221
00222
00223
00224
00225
00226
00227
00228
00229 int JackServer::SetFreewheel(bool onoff)
00230 {
00231 jack_log("JackServer::SetFreewheel is = %ld want = %ld", fFreewheel, onoff);
00232
00233 if (fFreewheel) {
00234 if (onoff) {
00235 return -1;
00236 } else {
00237 fFreewheel = false;
00238 fFreewheelDriver->Stop();
00239 fGraphManager->Restore(&fConnectionState);
00240 fEngine->NotifyFreewheel(onoff);
00241 fFreewheelDriver->SetMaster(false);
00242 return fAudioDriver->Start();
00243 }
00244 } else {
00245 if (onoff) {
00246 fFreewheel = true;
00247 fAudioDriver->Stop();
00248 fGraphManager->Save(&fConnectionState);
00249 fGraphManager->DisconnectAllPorts(fAudioDriver->GetClientControl()->fRefNum);
00250 fEngine->NotifyFreewheel(onoff);
00251 fFreewheelDriver->SetMaster(true);
00252 return fFreewheelDriver->Start();
00253 } else {
00254 return -1;
00255 }
00256 }
00257 }
00258
00259
00260 void JackServer::Notify(int refnum, int notify, int value)
00261 {
00262 switch (notify) {
00263
00264 case kGraphOrderCallback:
00265 fEngine->NotifyGraphReorder();
00266 break;
00267
00268 case kXRunCallback:
00269 fEngine->NotifyXRun(refnum);
00270 break;
00271
00272 }
00273 }
00274
00275 void JackServer::ClientKill(int refnum)
00276 {
00277 jack_log("JackServer::ClientKill ref = %ld", refnum);
00278 if (fEngine->ClientDeactivate(refnum) < 0) {
00279 jack_error("JackServer::ClientKill ref = %ld cannot be removed from the graph !!", refnum);
00280 }
00281 if (fEngine->ClientExternalClose(refnum) < 0) {
00282 jack_error("JackServer::ClientKill ref = %ld cannot be closed", refnum);
00283 }
00284 }
00285
00286
00287
00288
00289
00290 JackDriverInfo* JackServer::AddSlave(jack_driver_desc_t* driver_desc, JSList* driver_params)
00291 {
00292 JackDriverInfo* info = new JackDriverInfo();
00293 JackDriverClientInterface* slave = info->Open(driver_desc, fEngine, GetSynchroTable(), driver_params);
00294 if (slave == NULL) {
00295 delete info;
00296 return NULL;
00297 } else {
00298 slave->Attach();
00299 fAudioDriver->AddSlave(slave);
00300 return info;
00301 }
00302 }
00303
00304 void JackServer::RemoveSlave(JackDriverInfo* info)
00305 {
00306 JackDriverClientInterface* slave = info->GetBackend();
00307 fAudioDriver->RemoveSlave(slave);
00308 slave->Detach();
00309 slave->Close();
00310 }
00311
00312 int JackServer::SwitchMaster(jack_driver_desc_t* driver_desc, JSList* driver_params)
00313 {
00315 fAudioDriver->Stop();
00316 fAudioDriver->Detach();
00317 fAudioDriver->Close();
00318
00319
00320 JackDriverInfo* info = new JackDriverInfo();
00321 JackDriverClientInterface* master = info->Open(driver_desc, fEngine, GetSynchroTable(), driver_params);
00322
00323 if (master == NULL || info == NULL) {
00324 delete info;
00325 delete master;
00326 return -1;
00327 } else {
00328
00329
00330 std::list<JackDriverInterface*> slave_list = fAudioDriver->GetSlaves();
00331 std::list<JackDriverInterface*>::const_iterator it;
00332
00333
00334 for (it = slave_list.begin(); it != slave_list.end(); it++) {
00335 JackDriverInterface* slave = *it;
00336 master->AddSlave(slave);
00337 }
00338
00339
00340 delete fAudioDriver;
00341 delete fDriverInfo;
00342
00343
00344 fAudioDriver = master;
00345 fDriverInfo = info;
00346 fAudioDriver->Attach();
00347 fAudioDriver->SetMaster(true);
00348 return fAudioDriver->Start();
00349 }
00350 }
00351
00352
00353
00354
00355
00356 int JackServer::ReleaseTimebase(int refnum)
00357 {
00358 return fEngineControl->fTransport.ResetTimebase(refnum);
00359 }
00360
00361 int JackServer::SetTimebaseCallback(int refnum, int conditional)
00362 {
00363 return fEngineControl->fTransport.SetTimebaseMaster(refnum, conditional);
00364 }
00365
00366 JackLockedEngine* JackServer::GetEngine()
00367 {
00368 return fEngine;
00369 }
00370
00371 JackSynchro* JackServer::GetSynchroTable()
00372 {
00373 return fSynchroTable;
00374 }
00375
00376 JackEngineControl* JackServer::GetEngineControl()
00377 {
00378 return fEngineControl;
00379 }
00380
00381 JackGraphManager* JackServer::GetGraphManager()
00382 {
00383 return fGraphManager;
00384 }
00385
00386
00387 }
00388