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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__
#ifdef COREAUDIO105
#include "CAAudioFile.h"
#else
#include "CAExtAudioFile.h"
#endif
#include "ardour/audiofilesource.h"
#include <string>
using namespace std;
namespace ARDOUR {
class LIBARDOUR_API CoreAudioSource : public AudioFileSource {
public:
CoreAudioSource (ARDOUR::Session&, const XMLNode&);
CoreAudioSource (ARDOUR::Session&, const string& path, int chn, Flag);
~CoreAudioSource ();
void set_path (const std::string& p);
float sample_rate() const;
int update_header (framepos_t when, struct tm&, time_t);
uint32_t channel_count () const { return n_channels; }
int flush_header () {return 0;};
void set_header_timeline_position () {};
bool clamped_at_unity () const { return false; }
void flush () {}
static int get_soundfile_info (string path, SoundFileInfo& _info, string& error_msg);
protected:
void close ();
framecnt_t read_unlocked (Sample *dst, framepos_t start, framecnt_t cnt) const;
framecnt_t write_unlocked (Sample *, framecnt_t) { return 0; }
private:
#ifdef COREAUDIO105
mutable CAAudioFile af;
#else
mutable CAExtAudioFile af;
#endif
uint16_t n_channels;
void init_cafile ();
int safe_read (Sample*, framepos_t start, framecnt_t cnt, AudioBufferList&) const;
};
}; /* namespace ARDOUR */
#endif /* __coreaudio_source_h__ */
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