non/nonlib/JACK/Client.H

131 lines
5.2 KiB
C++

/*******************************************************************************/
/* 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. */
/*******************************************************************************/
#pragma once
#include <jack/jack.h>
#include <jack/midiport.h>
#ifdef HAVE_JACK_METADATA
# include <jack/metadata.h>
#endif
#include <Mutex.H>
typedef jack_nframes_t nframes_t;
typedef jack_default_audio_sample_t sample_t;
#include <list>
namespace JACK
{
class Port;
class Client
{
std::list <JACK::Port*> _active_ports;
Mutex _frozen;
jack_client_t *_client;
// nframes_t _sample_rate;
volatile int _xruns;
volatile bool _freewheeling;
volatile bool _zombified;
volatile bool _active;
static int sample_rate_changed ( nframes_t srate, void *arg );
virtual int sample_rate_changed ( nframes_t srate ) { return 0; }
static void port_connect ( jack_port_id_t a, jack_port_id_t b, int connect, void *arg );
virtual void port_connect ( jack_port_id_t a, jack_port_id_t b, int connect ) { }
static void shutdown ( void *arg );
virtual void shutdown ( void ) = 0;
static int process ( nframes_t nframes, void *arg );
virtual int process ( nframes_t nframes ) = 0;
static int sync ( jack_transport_state_t state, jack_position_t *pos, void *arg );
virtual int sync ( jack_transport_state_t, jack_position_t * ) { return 1; }
static int xrun ( void *arg );
virtual int xrun ( void ) = 0;
static void timebase ( jack_transport_state_t state, jack_nframes_t nframes, jack_position_t *pos, int new_pos, void *arg );
virtual void timebase ( jack_transport_state_t, jack_nframes_t, jack_position_t *, int ) { }
static void freewheel ( int yes, void *arg );
virtual void freewheel ( bool yes ) = 0;
static int buffer_size ( nframes_t nframes, void *arg );
virtual int buffer_size ( nframes_t nframes ) = 0;
static void thread_init ( void *arg );
virtual void thread_init ( void ) = 0;
static void latency ( jack_latency_callback_mode_t mode, void *arg );
virtual void latency ( jack_latency_callback_mode_t mode ) { }
Client ( const Client &rhs );
Client & operator = ( const Client &rhs );
void freeze_ports ( void );
void thaw_ports ( void );
protected:
bool active ( void ) const { return _active; }
void deactivate ( void );
void activate ( void );
private:
friend class Port;
friend class Transport;
public:
enum options { DEFAULT = 0,
SLOW_SYNC = 1 << 0,
TIMEBASE_MASTER = 1 << 1 };
jack_client_t * jack_client ( void ) const { return _client; }
void port_added ( JACK::Port * p );
void port_removed ( JACK::Port *p );
Client ( );
virtual ~Client ( );
const char * init ( const char *client_name, unsigned int opts = 0 );
const char * name ( const char * );
const char *jack_name ( void ) const;
void close ( void );
nframes_t nframes ( void ) const { return jack_get_buffer_size( _client ); }
// float frame_rate ( void ) const { return jack_get_sample_rate( _client ); }
nframes_t sample_rate ( void ) const { return jack_get_sample_rate( _client ); }
int xruns ( void ) const { return _xruns; };
bool freewheeling ( void ) const { return _freewheeling; }
void freewheeling ( bool yes );
bool zombified ( void ) const { return _zombified; }
float cpu_load ( void ) const { return jack_cpu_load( _client ); }
void transport_stop ( void );
void transport_start ( void );
void transport_locate ( nframes_t frame );
jack_transport_state_t transport_query ( jack_position_t *pos );
void recompute_latencies ( void );
static int maximum_name_length ( void ) { return jack_client_name_size(); }
};
}