ardour/libs/ardour/ardour/sndfileimportable.h

59 lines
1.9 KiB
C++

/*
* Copyright (C) 2008-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2009-2012 David Robillard <d@drobilla.net>
* Copyright (C) 2010-2012 Carl Hetherington <carl@carlh.net>
*
* 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_sndfile_importable_source_h__
#define __ardour_sndfile_importable_source_h__
#include <boost/shared_ptr.hpp>
#include <sndfile.h>
#include "ardour/libardour_visibility.h"
#include "ardour/types.h"
#include "ardour/importable_source.h"
namespace ARDOUR {
class LIBARDOUR_API SndFileImportableSource : public ImportableSource {
public:
SndFileImportableSource (const std::string& path);
virtual ~SndFileImportableSource();
samplecnt_t read (Sample* buffer, samplecnt_t nframes);
uint32_t channels() const;
samplecnt_t length() const;
samplecnt_t samplerate() const;
void seek (samplepos_t pos);
bool clamped_at_unity () const;
samplepos_t natural_position () const;
protected:
SF_INFO sf_info;
boost::shared_ptr<SNDFILE> in;
/* these are int64_t so as to be independent of whatever
* types Ardour may use for samplepos_t, samplecnt_t etc.
*/
int64_t timecode;
int64_t get_timecode_info (SNDFILE*, SF_BROADCAST_INFO*, bool&);
};
}
#endif /* __ardour_sndfile_importable_source_h__ */