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/*
Copyright (C) 2006 Paul Davis
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., 675 Mass Ave, Cambridge, MA 02139, USA.
$Id$
*/
#ifndef __sndfile_source_h__
#define __sndfile_source_h__
#include <sndfile.h>
#include <ardour/externalsource.h>
namespace ARDOUR {
class SndFileSource : public ExternalSource {
public:
SndFileSource (const string& path_plus_channel, bool build_peak = true);
SndFileSource (const XMLNode&);
~SndFileSource ();
jack_nframes_t length() const { return _info.frames; }
jack_nframes_t read (Sample *dst, jack_nframes_t start, jack_nframes_t cnt, char * workbuf) const;
private:
SNDFILE *sf;
SF_INFO _info;
mutable float *tmpbuf;
mutable jack_nframes_t tmpbufsize;
mutable PBD::Lock _tmpbuf_lock;
void init (const string &str, bool build_peak);
jack_nframes_t read_unlocked (Sample *dst, jack_nframes_t start, jack_nframes_t cnt, char * workbuf) const;
};
}; /* namespace ARDOUR */
#endif /* __sndfile_source_h__ */
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