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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 __JackPort__
#define __JackPort__
#include "types.h"
#include "JackConstants.h"
#include "JackCompilerDeps.h"
namespace Jack
{
#define ALL_PORTS 0xFFFF
#define NO_PORT 0xFFFE
/*!
\brief Base class for port.
*/
PRE_PACKED_STRUCTURE
class SERVER_EXPORT JackPort
{
friend class JackGraphManager;
private:
int fTypeId;
enum JackPortFlags fFlags;
char fName[REAL_JACK_PORT_NAME_SIZE+1];
char fAlias1[REAL_JACK_PORT_NAME_SIZE+1];
char fAlias2[REAL_JACK_PORT_NAME_SIZE+1];
int fRefNum;
jack_nframes_t fLatency;
jack_nframes_t fTotalLatency;
jack_latency_range_t fPlaybackLatency;
jack_latency_range_t fCaptureLatency;
uint8_t fMonitorRequests;
bool fInUse;
jack_port_id_t fTied; // Locally tied source port
jack_default_audio_sample_t fBuffer[BUFFER_SIZE_MAX + 8];
bool IsUsed() const
{
return fInUse;
}
// RT
void ClearBuffer(jack_nframes_t frames);
void MixBuffers(void** src_buffers, int src_count, jack_nframes_t frames);
public:
JackPort();
bool Allocate(int refnum, const char* port_name, const char* port_type, JackPortFlags flags);
void Release();
const char* GetName() const;
const char* GetShortName() const;
void SetName(const char* name);
int GetAliases(char* const aliases[2]);
int SetAlias(const char* alias);
int UnsetAlias(const char* alias);
bool NameEquals(const char* target);
int GetFlags() const;
const char* GetType() const;
int Tie(jack_port_id_t port_index);
int UnTie();
jack_nframes_t GetLatency() const;
void SetLatency(jack_nframes_t latency);
void SetLatencyRange(jack_latency_callback_mode_t mode, jack_latency_range_t* range);
void GetLatencyRange(jack_latency_callback_mode_t mode, jack_latency_range_t* range) const;
jack_nframes_t GetTotalLatency() const;
int RequestMonitor(bool onoff);
int EnsureMonitor(bool onoff);
bool MonitoringInput()
{
return (fMonitorRequests > 0);
}
// Since we are in shared memory, the resulting pointer cannot be cached, so align it here...
jack_default_audio_sample_t* GetBuffer()
{
return (jack_default_audio_sample_t*)((uintptr_t)fBuffer & ~31L) + 8;
}
int GetRefNum() const;
} POST_PACKED_STRUCTURE;
} // end of namespace
#endif
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