79 lines
2.3 KiB
C++
79 lines
2.3 KiB
C++
/*
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* Copyright (C) 2006-2009 Taybin Rutkin <taybin@taybin.com>
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* Copyright (C) 2006-2011 David Robillard <d@drobilla.net>
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* Copyright (C) 2006-2017 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2013 John Emmas <john@creativepost.co.uk>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __coreaudio_source_h__
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#define __coreaudio_source_h__
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#ifdef COREAUDIO105
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#include "CAAudioFile.h"
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#else
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#include "CAExtAudioFile.h"
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#endif
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#include "ardour/audiofilesource.h"
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#include <string>
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using namespace std;
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namespace ARDOUR {
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class LIBARDOUR_API CoreAudioSource : public AudioFileSource {
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public:
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CoreAudioSource (ARDOUR::Session&, const XMLNode&);
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CoreAudioSource (ARDOUR::Session&, const string& path, int chn, Flag);
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~CoreAudioSource ();
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void set_path (const std::string& p);
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float sample_rate() const;
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int update_header (samplepos_t when, struct tm&, time_t);
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uint32_t channel_count () const { return n_channels; }
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int flush_header () {return 0;};
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void set_header_natural_position () {};
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bool clamped_at_unity () const { return false; }
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void flush () {}
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static int get_soundfile_info (string path, SoundFileInfo& _info, string& error_msg);
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protected:
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void close ();
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samplecnt_t read_unlocked (Sample *dst, samplepos_t start, samplecnt_t cnt) const;
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samplecnt_t write_unlocked (Sample *, samplecnt_t) { return 0; }
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private:
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#ifdef COREAUDIO105
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mutable CAAudioFile af;
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#else
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mutable CAExtAudioFile af;
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#endif
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uint16_t n_channels;
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void init_cafile ();
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int safe_read (Sample*, samplepos_t start, samplecnt_t cnt, AudioBufferList&) const;
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};
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}; /* namespace ARDOUR */
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#endif /* __coreaudio_source_h__ */
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