2 Copyright (C) 2012 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_readable_h__
21 #define __ardour_readable_h__
23 #include "ardour/libardour_visibility.h"
24 #include "ardour/types.h"
28 class LIBARDOUR_API Readable {
31 virtual ~Readable() {}
33 virtual samplecnt_t read (Sample*, samplepos_t pos, samplecnt_t cnt, int channel) const = 0;
34 virtual samplecnt_t readable_length() const = 0;
35 virtual uint32_t n_channels () const = 0;
40 #endif /* __ardour_readable_h__ */