874f3bbf8b
Fix midi recording crash bug. git-svn-id: svn://localhost/ardour2/trunk@2216 d708f5d6-7413-0410-9779-e7cbd77b26cf
102 lines
3.1 KiB
C++
102 lines
3.1 KiB
C++
/*
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Copyright (C) 2006 Paul Davis
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Written by Dave Robillard, 2006
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __ardour_midi_source_h__
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#define __ardour_midi_source_h__
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#include <string>
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#include <time.h>
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#include <glibmm/thread.h>
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#include <sigc++/signal.h>
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#include <ardour/source.h>
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#include <ardour/ardour.h>
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#include <ardour/buffer.h>
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#include <ardour/midi_model.h>
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#include <pbd/stateful.h>
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#include <pbd/xml++.h>
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using std::string;
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namespace ARDOUR {
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class MidiRingBuffer;
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/** Source for MIDI data */
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class MidiSource : public Source
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{
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public:
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MidiSource (Session& session, string name);
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MidiSource (Session& session, const XMLNode&);
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virtual ~MidiSource ();
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virtual nframes_t read (MidiRingBuffer& dst, nframes_t start, nframes_t cnt, nframes_t stamp_offset) const;
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virtual nframes_t write (MidiRingBuffer& src, nframes_t cnt);
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virtual void mark_for_remove() = 0;
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virtual void mark_streaming_midi_write_started (NoteMode mode);
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virtual void mark_streaming_write_started ();
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virtual void mark_streaming_write_completed ();
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string captured_for() const { return _captured_for; }
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void set_captured_for (string str) { _captured_for = str; }
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uint32_t read_data_count() const { return _read_data_count; }
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uint32_t write_data_count() const { return _write_data_count; }
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static sigc::signal<void,MidiSource*> MidiSourceCreated;
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// The MIDI equivalent to "peaks" (but complete data)
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mutable sigc::signal<void,boost::shared_ptr<MidiBuffer>,nframes_t,nframes_t> ViewDataRangeReady;
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XMLNode& get_state ();
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int set_state (const XMLNode&);
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virtual void load_model(bool lock=true, bool force_reload=false) = 0;
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virtual void destroy_model() = 0;
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void set_note_mode(NoteMode mode) { if (_model) _model->set_note_mode(mode); }
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virtual bool model_loaded() const { return _model_loaded; }
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boost::shared_ptr<MidiModel> model() { return _model; }
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protected:
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virtual nframes_t read_unlocked (MidiRingBuffer& dst, nframes_t start, nframes_t cnt, nframes_t stamp_offset) const = 0;
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virtual nframes_t write_unlocked (MidiRingBuffer& dst, nframes_t cnt) = 0;
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mutable Glib::Mutex _lock;
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string _captured_for;
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mutable uint32_t _read_data_count; ///< modified in read()
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mutable uint32_t _write_data_count; ///< modified in write()
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boost::shared_ptr<MidiModel> _model;
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bool _model_loaded;
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bool _writing;
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private:
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bool file_changed (string path);
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};
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}
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#endif /* __ardour_midi_source_h__ */
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