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/*
Copyright (C) 2004-2008 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"
#include "JackPlatformPlug.h"
namespace Jack
{
class JackClientInterface;
struct JackEngineControl;
class JackExternalClient;
/*!
\brief Engine description.
*/
class SERVER_EXPORT JackEngine
{
private:
JackGraphManager* fGraphManager;
JackEngineControl* fEngineControl;
JackClientInterface* fClientTable[CLIENT_NUM];
JackSynchro* fSynchroTable;
JackServerNotifyChannel fChannel; /*! To communicate between the RT thread and server */
JackProcessSync 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);
void ProcessNext(jack_time_t callback_usecs);
void ProcessCurrent(jack_time_t callback_usecs);
bool ClientCheckName(const char* name);
bool GenerateUniqueName(char* name);
int AllocateRefnum();
void ReleaseRefnum(int ref);
void NotifyClient(int refnum, int event, int sync, int value1, int value2);
void NotifyClients(int event, int sync, int value1, int value2);
void NotifyPortRegistation(jack_port_id_t port_index, bool onoff);
void NotifyPortConnect(jack_port_id_t src, jack_port_id_t dst, bool onoff);
void NotifyPortRename(jack_port_id_t src);
void NotifyActivate(int refnum);
public:
JackEngine(JackGraphManager* manager, JackSynchro* table, JackEngineControl* controler);
~JackEngine();
int Open();
int Close();
// Client management
int ClientCheck(const char* name, char* name_res, int protocol, int options, int* status);
int ClientExternalOpen(const char* name, int pid, int* ref, int* shared_engine, int* shared_client, int* shared_graph_manager);
int ClientInternalOpen(const char* name, int* ref, JackEngineControl** shared_engine, JackGraphManager** shared_manager, JackClientInterface* client, bool wait);
int ClientExternalClose(int refnum);
int ClientInternalClose(int refnum, bool wait);
int ClientActivate(int refnum, bool state);
int ClientDeactivate(int refnum);
int GetClientPID(const char* name);
int GetClientRefNum(const char* name);
// Internal client management
int GetInternalClientName(int int_ref, char* name_res);
int InternalClientHandle(const char* client_name, int* status, int* int_ref);
int InternalClientUnload(int refnum, int* status);
// Port management
int PortRegister(int refnum, const char* name, const char *type, unsigned int flags, unsigned int buffer_size, jack_port_id_t* port);
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);
int PortRename(int refnum, jack_port_id_t port, const char* name);
// Graph
bool Process(jack_time_t cur_cycle_begin, jack_time_t prev_cycle_end);
// Notifications
void NotifyXRun(jack_time_t callback_usecs, float delayed_usecs);
void NotifyXRun(int refnum);
void NotifyGraphReorder();
void NotifyBufferSize(jack_nframes_t buffer_size);
void NotifySampleRate(jack_nframes_t sample_rate);
void NotifyFreewheel(bool onoff);
};
} // end of namespace
#endif
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