non/transport.H

85 lines
2.7 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 <sigc++/sigc++.h>
using namespace sigc;
#include "event.H" // just for tick_t
#include <jack/transport.h>
typedef double playhead_t;
class Transport : public trackable {
double _master_beats_per_minute;
unsigned _master_beats_per_bar;
unsigned _master_beat_type;
public:
signal <int, double> signal_tempo_change;
signal <int, double> signal_bpb_change;
signal <int, double> signal_beat_change;
bool master; /* are we driving the transport? */
bool rolling;
bool valid;
volatile bool recording;
unsigned long bar;
unsigned beat;
unsigned tick;
playhead_t ticks;
unsigned beats_per_bar;
unsigned ticks_per_beat;
unsigned beat_type;
double beats_per_minute;
double ticks_per_period;
double frames_per_tick;
double frame_rate;
double frame;
double nframes;
Transport ( void );
void poll ( void );
void start ( void );
void stop ( void );
void toggle ( void );
void locate ( tick_t ticks );
void set_beats_per_minute ( double n );
void set_beats_per_bar ( int n );
void set_beat_type ( int n );
static void timebase ( jack_transport_state_t state, jack_nframes_t nframes, jack_position_t *pos, int new_pos, void *arg );
};
extern Transport transport;