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/*
Copyright (C) 2000 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.
*/
#ifndef __coreaudio_source_h__
#define __coreaudio_source_h__
#include <ardour/audiofilesource.h>
#include <AudioToolbox/ExtendedAudioFile.h>
namespace ARDOUR {
class CoreAudioSource : public AudioFileSource {
public:
CoreAudioSource (const XMLNode&);
CoreAudioSource (const string& path_plus_channel, Flag);
~CoreAudioSource ();
float sample_rate() const;
int update_header (jack_nframes_t when, struct tm&, time_t);
int flush_header () {return 0;};
void set_header_timeline_position () {};
protected:
jack_nframes_t read_unlocked (Sample *dst, jack_nframes_t start, jack_nframes_t cnt, char * workbuf) const;
jack_nframes_t write_unlocked (Sample *dst, jack_nframes_t cnt, char * workbuf)
{ return 0; }
private:
ExtAudioFileRef af;
uint16_t n_channels;
mutable float *tmpbuf;
mutable jack_nframes_t tmpbufsize;
mutable Glib::Mutex _tmpbuf_lock;
void init (const string &str);
};
}; /* namespace ARDOUR */
#endif /* __coreaudio_source_h__ */
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