2
Copyright (C) 2007 Paul Davis
4
This program is free software; you can redistribute it and/or modify
5
it under the terms of the GNU General Public License as published by
6
the Free Software Foundation; either version 2 of the License, or
7
(at your option) any later version.
9
This program is distributed in the hope that it will be useful,
10
but WITHOUT ANY WARRANTY; without even the implied warranty of
11
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12
GNU General Public License for more details.
14
You should have received a copy of the GNU General Public License
15
along with this program; if not, write to the Free Software
16
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20
#ifndef __ardour_importable_source_h__
21
#define __ardour_importable_source_h__
23
#include "pbd/failed_constructor.h"
24
#include "ardour/types.h"
28
class ImportableSource {
30
ImportableSource () {}
31
virtual ~ImportableSource() {}
33
virtual framecnt_t read (Sample* buffer, framecnt_t nframes) = 0;
34
virtual float ratio() const { return 1.0f; }
35
virtual uint32_t channels() const = 0;
36
virtual framecnt_t length() const = 0;
37
virtual framecnt_t samplerate() const = 0;
38
virtual void seek (framepos_t pos) = 0;
39
virtual framepos_t natural_position() const = 0;
41
virtual bool clamped_at_unity () const = 0;
46
#endif /* __ardour_importable_source_h__ */