69 lines
1.1 KiB
C++
69 lines
1.1 KiB
C++
/* $Id$ */
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#ifndef LOOP_H
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#define LOOP_H
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#include <stdint.h>
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#include <list>
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#include <jack/jack.h>
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#include <jack/midiport.h>
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#include "notecache.h"
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enum LoopState {
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LS_IDLE,
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LS_PLAY_LOOP,
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LS_PLAY_ONCE,
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LS_STOPPING,
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LS_RECORDING,
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};
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typedef std::pair<jack_midi_event_t, jack_nframes_t> Event;
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typedef std::list<Event> EventList;
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class Loop {
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private:
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jack_nframes_t m_length; ///< Length of loop, in samples.
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jack_nframes_t m_position; ///< Current position of loop, in samples.
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LoopState m_state;
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EventList m_events;
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EventList::iterator m_iterator;
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public:
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Loop();
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~Loop();
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void PlayFrame(void *port_buffer, jack_nframes_t frame);
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void AddEvent(jack_nframes_t position, jack_midi_event_t *event);
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void SetState(LoopState state)
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{
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m_state = state;
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}
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void SetLength(jack_nframes_t length);
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void Start(bool loop);
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void Stop();
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void Empty();
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void StartFromNoteCache(NoteCache &cache);
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void EndFromNoteCache(NoteCache &cache);
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LoopState State() const
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{
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return m_state;
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}
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jack_nframes_t Length() const
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{
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return m_length;
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}
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jack_nframes_t Position() const
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{
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return m_position;
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}
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};
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#endif /* LOOP_H */
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