107 lines
2.6 KiB
C++
107 lines
2.6 KiB
C++
/*
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Copyright (C) 2002 Paul Davis
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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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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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$Id: port.h 712 2006-07-28 01:08:57Z drobilla $
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*/
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#ifndef __ardour_base_audio_port_h__
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#define __ardour_base_audio_port_h__
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#include <string>
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#include <sigc++/signal.h>
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#include <pbd/failed_constructor.h>
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#include <ardour/ardour.h>
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#include <ardour/port.h>
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#include <ardour/audio_buffer.h>
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namespace ARDOUR {
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class AudioEngine;
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class BaseAudioPort : public virtual Port {
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public:
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virtual ~BaseAudioPort();
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DataType type() const { return DataType::AUDIO; }
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virtual Buffer& get_buffer () {
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assert (_buffer);
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return *_buffer;
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}
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virtual AudioBuffer& get_audio_buffer() {
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assert (_buffer);
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return *_buffer;
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}
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void reset ();
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void reset_overs () {
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/* XXX NOT THREAD SAFE */
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_short_overs = 0;
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_long_overs = 0;
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_overlen = 0;
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}
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void reset_peak_meter () {
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/* XXX NOT THREAD SAFE */
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_peak = 0;
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}
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void reset_meters () {
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/* XXX NOT THREAD SAFE */
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reset_peak_meter ();
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reset_overs ();
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}
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float peak_db() const { return _peak_db; }
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Sample peak() const { return _peak; }
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uint32_t short_overs () const { return _short_overs; }
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uint32_t long_overs () const { return _long_overs; }
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static void set_short_over_length (nframes_t);
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static void set_long_over_length (nframes_t);
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void set_mixdown_function (void (*func)(const std::set<Port*>&, AudioBuffer*, nframes_t, nframes_t, bool));
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protected:
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BaseAudioPort (const std::string& name, Flags flags);
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AudioBuffer* _buffer;
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nframes_t _overlen;
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Sample _peak;
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float _peak_db;
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uint32_t _short_overs;
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uint32_t _long_overs;
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bool _own_buffer;
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void (*_mixdown)(const std::set<Port*>&, AudioBuffer*, nframes_t, nframes_t, bool);
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static void default_mixdown (const std::set<Port*>&, AudioBuffer*, nframes_t, nframes_t, bool);
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static nframes_t _long_over_length;
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static nframes_t _short_over_length;
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};
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} // namespace ARDOUR
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#endif /* __ardour_base_audio_port_h__ */
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