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/*
* Copyright (C) 2006-2009 Taybin Rutkin <taybin@taybin.com>
* Copyright (C) 2006-2011 David Robillard <d@drobilla.net>
* Copyright (C) 2006-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2013 John Emmas <john@creativepost.co.uk>
*
* 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 __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 (samplepos_t when, struct tm&, time_t);
uint32_t channel_count () const { return n_channels; }
int flush_header () {return 0;};
void set_header_natural_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 ();
samplecnt_t read_unlocked (Sample *dst, samplepos_t start, samplecnt_t cnt) const;
samplecnt_t write_unlocked (Sample *, samplecnt_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*, samplepos_t start, samplecnt_t cnt, AudioBufferList&) const;
};
}; /* namespace ARDOUR */
#endif /* __coreaudio_source_h__ */
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