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/*
Copyright (C) 2002 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.
$Id: port.h 712 2006-07-28 01:08:57Z drobilla $
*/
#ifndef __ardour_base_audio_port_h__
#define __ardour_base_audio_port_h__
#include <string>
#include <sigc++/signal.h>
#include <pbd/failed_constructor.h>
#include <ardour/ardour.h>
#include <ardour/port.h>
#include <ardour/audio_buffer.h>
namespace ARDOUR {
class AudioEngine;
class BaseAudioPort : public virtual Port {
public:
virtual ~BaseAudioPort();
DataType type() const { return DataType::AUDIO; }
virtual Buffer& get_buffer () {
assert (_buffer);
return *_buffer;
}
virtual AudioBuffer& get_audio_buffer() {
assert (_buffer);
return *_buffer;
}
void reset ();
void reset_overs () {
/* XXX NOT THREAD SAFE */
_short_overs = 0;
_long_overs = 0;
_overlen = 0;
}
void reset_peak_meter () {
/* XXX NOT THREAD SAFE */
_peak = 0;
}
void reset_meters () {
/* XXX NOT THREAD SAFE */
reset_peak_meter ();
reset_overs ();
}
float peak_db() const { return _peak_db; }
Sample peak() const { return _peak; }
uint32_t short_overs () const { return _short_overs; }
uint32_t long_overs () const { return _long_overs; }
static void set_short_over_length (nframes_t);
static void set_long_over_length (nframes_t);
void set_mixdown_function (void (*func)(const std::set<Port*>&, AudioBuffer*, nframes_t, nframes_t, bool));
protected:
BaseAudioPort (const std::string& name, Flags flags);
AudioBuffer* _buffer;
nframes_t _overlen;
Sample _peak;
float _peak_db;
uint32_t _short_overs;
uint32_t _long_overs;
bool _own_buffer;
void (*_mixdown)(const std::set<Port*>&, AudioBuffer*, nframes_t, nframes_t, bool);
static void default_mixdown (const std::set<Port*>&, AudioBuffer*, nframes_t, nframes_t, bool);
static nframes_t _long_over_length;
static nframes_t _short_over_length;
};
} // namespace ARDOUR
#endif /* __ardour_base_audio_port_h__ */
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