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/*
Copyright (C) 2001 Paul Davis
Copyright (C) 2004-2008 Grame
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __JackClient__
#define __JackClient__
#include "JackClientInterface.h"
#include "JackThread.h"
#include "JackConstants.h"
#include "JackSynchro.h"
#include "JackPlatformPlug.h"
#include "JackChannel.h"
#include "JackRequest.h"
#include "JackMetadata.h"
#include "varargs.h"
#include <list>
namespace Jack
{
class JackGraphManager;
class JackServer;
class JackEngine;
struct JackClientControl;
struct JackEngineControl;
/*!
\brief The base class for clients: share part of the implementation for JackInternalClient and JackLibClient.
*/
class SERVER_EXPORT JackClient : public JackClientInterface, public JackRunnableInterface
{
friend class JackDebugClient;
protected:
JackProcessCallback fProcess;
JackGraphOrderCallback fGraphOrder;
JackXRunCallback fXrun;
JackShutdownCallback fShutdown;
JackInfoShutdownCallback fInfoShutdown;
JackThreadInitCallback fInit;
JackBufferSizeCallback fBufferSize;
JackSampleRateCallback fSampleRate;
JackClientRegistrationCallback fClientRegistration;
JackFreewheelCallback fFreewheel;
JackPortRegistrationCallback fPortRegistration;
JackPortConnectCallback fPortConnect;
JackPortRenameCallback fPortRename;
JackTimebaseCallback fTimebase;
JackSyncCallback fSync;
JackThreadCallback fThreadFun;
JackSessionCallback fSession;
JackLatencyCallback fLatency;
JackPropertyChangeCallback fPropertyChange;
void* fProcessArg;
void* fGraphOrderArg;
void* fXrunArg;
void* fShutdownArg;
void* fInfoShutdownArg;
void* fInitArg;
void* fBufferSizeArg;
void* fSampleRateArg;
void* fClientRegistrationArg;
void* fFreewheelArg;
void* fPortRegistrationArg;
void* fPortConnectArg;
void* fPortRenameArg;
void* fTimebaseArg;
void* fSyncArg;
void* fThreadFunArg;
void* fSessionArg;
void* fLatencyArg;
void* fPropertyChangeArg;
char fServerName[JACK_SERVER_NAME_SIZE+1];
JackThread fThread; /*! Thread to execute the Process function */
detail::JackClientChannelInterface* fChannel;
JackSynchro* fSynchroTable;
std::list<jack_port_id_t> fPortList;
JackSessionReply fSessionReply;
int StartThread();
void SetupDriverSync(bool freewheel);
bool IsActive();
void CallSyncCallback();
void CallTimebaseCallback();
virtual int ClientNotifyImp(int refnum, const char* name, int notify, int sync, const char* message, int value1, int value);
inline void DummyCycle();
inline void ExecuteThread();
inline bool WaitSync();
inline void SignalSync();
inline int CallProcessCallback();
inline void End();
inline void Error();
inline jack_nframes_t CycleWaitAux();
inline void CycleSignalAux(int status);
inline void CallSyncCallbackAux();
inline void CallTimebaseCallbackAux();
inline int ActivateAux();
inline void InitAux();
inline void SetupRealTime();
int HandleLatencyCallback(int status);
public:
JackClient(JackSynchro* table);
virtual ~JackClient();
virtual int Open(const char* server_name, const char* name, int uuid, jack_options_t options, jack_status_t* status) = 0;
virtual int Close();
virtual JackGraphManager* GetGraphManager() const = 0;
virtual JackEngineControl* GetEngineControl() const = 0;
// Notifications
virtual int ClientNotify(int refnum, const char* name, int notify, int sync, const char* message, int value1, int value2);
virtual int Activate();
virtual int Deactivate();
// Context
virtual int SetBufferSize(jack_nframes_t buffer_size);
virtual int SetFreeWheel(int onoff);
virtual int ComputeTotalLatencies();
virtual void ShutDown(jack_status_t code, const char* message);
virtual jack_native_thread_t GetThreadID();
// Port management
virtual int PortRegister(const char* port_name, const char* port_type, unsigned long flags, unsigned long buffer_size);
virtual int PortUnRegister(jack_port_id_t port);
virtual int PortConnect(const char* src, const char* dst);
virtual int PortDisconnect(const char* src, const char* dst);
virtual int PortDisconnect(jack_port_id_t src);
virtual int PortIsMine(jack_port_id_t port_index);
virtual int PortRename(jack_port_id_t port_index, const char* name);
// Transport
virtual int ReleaseTimebase();
virtual int SetSyncCallback(JackSyncCallback sync_callback, void* arg);
virtual int SetSyncTimeout(jack_time_t timeout);
virtual int SetTimebaseCallback(int conditional, JackTimebaseCallback timebase_callback, void* arg);
virtual void TransportLocate(jack_nframes_t frame);
virtual jack_transport_state_t TransportQuery(jack_position_t* pos);
virtual jack_nframes_t GetCurrentTransportFrame();
virtual int TransportReposition(const jack_position_t* pos);
virtual void TransportStart();
virtual void TransportStop();
// Callbacks
virtual void OnShutdown(JackShutdownCallback callback, void *arg);
virtual void OnInfoShutdown(JackInfoShutdownCallback callback, void *arg);
virtual int SetProcessCallback(JackProcessCallback callback, void* arg);
virtual int SetXRunCallback(JackXRunCallback callback, void* arg);
virtual int SetInitCallback(JackThreadInitCallback callback, void* arg);
virtual int SetGraphOrderCallback(JackGraphOrderCallback callback, void* arg);
virtual int SetBufferSizeCallback(JackBufferSizeCallback callback, void* arg);
virtual int SetSampleRateCallback(JackBufferSizeCallback callback, void* arg);
virtual int SetClientRegistrationCallback(JackClientRegistrationCallback callback, void* arg);
virtual int SetFreewheelCallback(JackFreewheelCallback callback, void* arg);
virtual int SetPortRegistrationCallback(JackPortRegistrationCallback callback, void* arg);
virtual int SetPortConnectCallback(JackPortConnectCallback callback, void *arg);
virtual int SetPortRenameCallback(JackPortRenameCallback callback, void *arg);
virtual int SetSessionCallback(JackSessionCallback callback, void *arg);
virtual int SetLatencyCallback(JackLatencyCallback callback, void *arg);
virtual int SetPropertyChangeCallback(JackPropertyChangeCallback callback, void* arg);
// Internal clients
virtual char* GetInternalClientName(int ref);
virtual int InternalClientHandle(const char* client_name, jack_status_t* status);
virtual int InternalClientLoad(const char* client_name, jack_options_t options, jack_status_t* status, jack_varargs_t* va);
virtual void InternalClientUnload(int ref, jack_status_t* status);
// RT Thread
jack_nframes_t CycleWait();
void CycleSignal(int status);
virtual int SetProcessThread(JackThreadCallback fun, void *arg);
// Session API
virtual jack_session_command_t* SessionNotify(const char* target, jack_session_event_type_t type, const char* path);
virtual int SessionReply(jack_session_event_t* ev);
virtual char* GetUUIDForClientName(const char* client_name);
virtual char* GetClientNameByUUID(const char* uuid);
virtual int ReserveClientName(const char* client_name, const char* uuid);
virtual int ClientHasSessionCallback(const char* client_name);
// Metadata API
virtual int PropertyChangeNotify(jack_uuid_t subject, const char* key, jack_property_change_t change);
// JackRunnableInterface interface
bool Init();
bool Execute();
};
} // end of namespace
#endif
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