131 lines
5.2 KiB
C++
131 lines
5.2 KiB
C++
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/*******************************************************************************/
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/* Copyright (C) 2008 Jonathan Moore Liles */
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/* */
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/* This program is free software; you can redistribute it and/or modify it */
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/* under the terms of the GNU General Public License as published by the */
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/* Free Software Foundation; either version 2 of the License, or (at your */
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/* option) any later version. */
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/* */
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/* This program is distributed in the hope that it will be useful, but WITHOUT */
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/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
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/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for */
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/* more details. */
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/* */
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/* You should have received a copy of the GNU General Public License along */
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/* with This program; see the file COPYING. If not,write to the Free Software */
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/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/*******************************************************************************/
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#pragma once
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#include <jack/jack.h>
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#include <jack/midiport.h>
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#ifdef HAVE_JACK_METADATA
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# include <jack/metadata.h>
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#endif
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#include <Mutex.H>
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typedef jack_nframes_t nframes_t;
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typedef jack_default_audio_sample_t sample_t;
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#include <list>
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namespace JACK
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{
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class Port;
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class Client
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{
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std::list <JACK::Port*> _active_ports;
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Mutex _frozen;
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jack_client_t *_client;
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// nframes_t _sample_rate;
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volatile int _xruns;
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volatile bool _freewheeling;
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volatile bool _zombified;
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volatile bool _active;
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static int sample_rate_changed ( nframes_t srate, void *arg );
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virtual int sample_rate_changed ( nframes_t srate ) { return 0; }
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static void port_connect ( jack_port_id_t a, jack_port_id_t b, int connect, void *arg );
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virtual void port_connect ( jack_port_id_t a, jack_port_id_t b, int connect ) { }
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static void shutdown ( void *arg );
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virtual void shutdown ( void ) = 0;
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static int process ( nframes_t nframes, void *arg );
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virtual int process ( nframes_t nframes ) = 0;
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static int sync ( jack_transport_state_t state, jack_position_t *pos, void *arg );
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virtual int sync ( jack_transport_state_t, jack_position_t * ) { return 1; }
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static int xrun ( void *arg );
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virtual int xrun ( void ) = 0;
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static void timebase ( jack_transport_state_t state, jack_nframes_t nframes, jack_position_t *pos, int new_pos, void *arg );
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virtual void timebase ( jack_transport_state_t, jack_nframes_t, jack_position_t *, int ) { }
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static void freewheel ( int yes, void *arg );
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virtual void freewheel ( bool yes ) = 0;
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static int buffer_size ( nframes_t nframes, void *arg );
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virtual int buffer_size ( nframes_t nframes ) = 0;
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static void thread_init ( void *arg );
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virtual void thread_init ( void ) = 0;
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static void latency ( jack_latency_callback_mode_t mode, void *arg );
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virtual void latency ( jack_latency_callback_mode_t mode ) { }
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Client ( const Client &rhs );
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Client & operator = ( const Client &rhs );
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void freeze_ports ( void );
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void thaw_ports ( void );
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protected:
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bool active ( void ) const { return _active; }
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void deactivate ( void );
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void activate ( void );
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private:
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friend class Port;
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friend class Transport;
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public:
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enum options { DEFAULT = 0,
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SLOW_SYNC = 1 << 0,
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TIMEBASE_MASTER = 1 << 1 };
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jack_client_t * jack_client ( void ) const { return _client; }
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void port_added ( JACK::Port * p );
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void port_removed ( JACK::Port *p );
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Client ( );
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virtual ~Client ( );
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const char * init ( const char *client_name, unsigned int opts = 0 );
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const char * name ( const char * );
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const char *jack_name ( void ) const;
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void close ( void );
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nframes_t nframes ( void ) const { return jack_get_buffer_size( _client ); }
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// float frame_rate ( void ) const { return jack_get_sample_rate( _client ); }
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nframes_t sample_rate ( void ) const { return jack_get_sample_rate( _client ); }
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int xruns ( void ) const { return _xruns; };
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bool freewheeling ( void ) const { return _freewheeling; }
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void freewheeling ( bool yes );
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bool zombified ( void ) const { return _zombified; }
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float cpu_load ( void ) const { return jack_cpu_load( _client ); }
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void transport_stop ( void );
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void transport_start ( void );
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void transport_locate ( nframes_t frame );
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jack_transport_state_t transport_query ( jack_position_t *pos );
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void recompute_latencies ( void );
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static int maximum_name_length ( void ) { return jack_client_name_size(); }
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};
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}
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