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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/audiofilesource.h>
namespace ARDOUR {
class SndFileSource : public AudioFileSource {
public:
/* constructor to be called for existing external-to-session files */
SndFileSource (std::string path, Flag flags);
/* constructor to be called for new in-session files */
SndFileSource (std::string path, SampleFormat samp_format, HeaderFormat hdr_format, jack_nframes_t rate,
Flag flags = AudioFileSource::Flag (AudioFileSource::Writable|
AudioFileSource::Removable|
AudioFileSource::RemovableIfEmpty|
AudioFileSource::CanRename));
/* constructor to be called for existing in-session files */
SndFileSource (const XMLNode&);
~SndFileSource ();
float sample_rate () const;
int update_header (jack_nframes_t when, struct tm&, time_t);
int flush_header ();
jack_nframes_t natural_position () const;
protected:
void set_header_timeline_position ();
jack_nframes_t read_unlocked (Sample *dst, jack_nframes_t start, jack_nframes_t cnt) const;
jack_nframes_t write_unlocked (Sample *dst, jack_nframes_t cnt);
jack_nframes_t write_float (Sample* data, jack_nframes_t pos, jack_nframes_t cnt);
private:
SNDFILE *sf;
SF_INFO _info;
SF_BROADCAST_INFO *_broadcast_info;
mutable float *interleave_buf;
mutable jack_nframes_t interleave_bufsize;
void init (const string &str);
int open();
void close();
int setup_broadcast_info (jack_nframes_t when, struct tm&, time_t);
};
} // namespace ARDOUR
#endif /* __sndfile_source_h__ */
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