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/*
Copyright (C) 2004-2006 Grame
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __JackEngine__
#define __JackEngine__
#include "JackConstants.h"
#include "JackGraphManager.h"
#include "JackSynchro.h"
#include "JackTransportEngine.h"
namespace Jack
{
class JackClientInterface;
struct JackEngineControl;
class JackServerNotifyChannelInterface;
class JackEngineTiming;
class JackExternalClient;
class JackSyncInterface;
/*!
\brief Engine description.
*/
class JackEngine
{
private:
JackGraphManager* fGraphManager;
JackEngineControl* fEngineControl;
JackClientInterface* fClientTable[CLIENT_NUM];
JackSynchro** fSynchroTable;
JackServerNotifyChannelInterface* fChannel; /*! To communicate between the RT thread and server */
JackEngineTiming* fTiming;
JackSyncInterface* fSignal;
jack_time_t fLastSwitchUsecs;
int ClientCloseAux(int refnum, JackClientInterface* client, bool wait);
void CheckXRun(jack_time_t callback_usecs);
int NotifyAddClient(JackClientInterface* new_client, const char* name, int refnum);
void NotifyRemoveClient(const char* name, int refnum);
bool IsZombie(JackClientInterface* client, jack_time_t current_time);
void RemoveZombifiedClients(jack_time_t current_time);
void GetZombifiedClients(bool clients[CLIENT_NUM], jack_time_t current_time);
public:
JackEngine(JackGraphManager* manager, JackSynchro** table, JackEngineControl* control, JackSyncInterface* signal, bool sync, long time_out_ms, bool rt, long priority, bool verbose);
virtual ~JackEngine();
int Open();
int Close();
// Client management
bool ClientCheckName(const char* name);
int ClientNew(const char* name, int* refnum, int* shared_engine, int* shared_client, int* shared_graph_manager);
int ClientExternalNew(const char* name, int* ref, int* shared_engine, int* shared_client, int* shared_graph_manager, JackExternalClient* client);
int ClientInternalNew(const char* name, int* ref, JackEngineControl** shared_engine, JackGraphManager** shared_manager, JackClientInterface* client);
int ClientClose(int refnum);
int ClientInternalClose(int refnum);
int ClientInternalCloseIm(int refnum);
int ClientActivate(int refnum);
int ClientDeactivate(int refnum);
// Port management
int PortRegister(int refnum, const char* name, unsigned int flags, unsigned int buffer_size, jack_port_id_t* port_index);
int PortUnRegister(int refnum, jack_port_id_t port);
int PortConnect(int refnum, const char* src, const char* dst);
int PortDisconnect(int refnum, const char* src, const char* dst);
int PortConnect(int refnum, jack_port_id_t src, jack_port_id_t dst);
int PortDisconnect(int refnum, jack_port_id_t src, jack_port_id_t dst);
// Transport management
int ReleaseTimebase(int refnum);
int SetTimebaseCallback(int refnum, int conditional);
// Graph
void Process(jack_time_t callback_usecs);
void ZombifyClient(int refnum);
// Notifications
void NotifyClient(int refnum, int event, int sync, int value);
void NotifyClients(int event, int sync, int value);
void NotifyXRun(jack_time_t callback_usecs);
void NotifyXRun(int refnum);
void NotifyGraphReorder();
void NotifyBufferSize(jack_nframes_t nframes);
void NotifyFreewheel(bool onoff);
void NotifyPortRegistation(jack_port_id_t port_index, bool onoff);
void PrintState();
};
} // end of namespace
#endif
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