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