non/nonlib/JACK/Port.H

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/*******************************************************************************/
/* Copyright (C) 2008 Jonathan Moore Liles */
/* */
/* 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; see the file COPYING. If not,write to the Free Software */
/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/*******************************************************************************/
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#pragma once
// #include <jack/jack.h>
#include "Client.H"
#include <stdlib.h>
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namespace JACK
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{
class Port
{
jack_port_t *_port;
char *_name;
JACK::Client *_client;
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/* FIXME: reference count? */
/* /\* not permitted *\/ */
/* Port ( const Port &rhs ); */
/* Port & operator= ( const Port &rhs ); */
public:
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bool operator < ( const Port & rhs ) const;
enum type_e { Output, Input };
static int max_name ( void );
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Port ( JACK::Client *client, jack_port_t *port );
Port ( JACK::Client *client, const char *name, type_e dir );
Port ( JACK::Client *client, type_e dir, const char *base, int n, const char *type=0 );
Port ( JACK::Client *client, type_e dir, int n, const char *type=0 );
// Port ( );
~Port ( );
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Port ( const Port & rhs );
bool valid ( void ) const { return _port; }
bool connected ( void ) const { return jack_port_connected( _port ); }
type_e type ( void ) const;
const char * name ( void ) const { return _name; }
bool name ( const char *name );
bool name ( const char *base, int n, const char *type=0 );
nframes_t total_latency ( void ) const;
nframes_t latency ( void ) const;
void latency ( nframes_t frames );
bool activate ( void );
void shutdown ( void );
void write ( sample_t *buf, nframes_t nframes );
void read ( sample_t *buf, nframes_t nframes );
void *buffer ( nframes_t nframes );
void silence ( nframes_t nframes );
int connect ( const char *to );
int disconnect ( const char *from );
bool connected_to ( const char *to );
/* */
const char ** connections ( void );
bool connections ( const char **port_names );
void freeze ( void );
void thaw ( void );
private:
type_e _direction;
bool activate ( const char *name, type_e dir );
/* holds all we need to know about a jack port to recreate it on a
new client */
struct freeze_state
{
const char **connections;
char *name;
freeze_state ( )
{
connections = NULL;
name = NULL;
}
~freeze_state ( )
{
if ( connections )
{
free( connections );
connections = NULL;
}
if ( name )
{
free( name );
}
}
};
freeze_state *_freezer;
};
}