ardour/libs/ardour/ardour/readable.h

45 lines
1.4 KiB
C++

/*
* Copyright (C) 2008-2009 David Robillard <d@drobilla.net>
* Copyright (C) 2008-2017 Paul Davis <paul@linuxaudiosystems.com>
*
* 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; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __ardour_readable_h__
#define __ardour_readable_h__
#include "ardour/libardour_visibility.h"
#include "ardour/types.h"
namespace ARDOUR {
class Session;
class LIBARDOUR_API AudioReadable {
public:
virtual ~AudioReadable() {}
static std::vector<std::shared_ptr<AudioReadable> >
load (Session&, std::string const&);
virtual samplecnt_t read (Sample*, samplepos_t pos, samplecnt_t cnt, int channel) const = 0;
virtual samplecnt_t readable_length_samples() const = 0;
virtual uint32_t n_channels () const = 0;
};
}
#endif /* __ardour_readable_h__ */