2 Copyright (C) 2006 Paul Davis
4 This program is free software; you can redistribute it and/or modify it
5 under the terms of the GNU General Public License as published by the Free
6 Software Foundation; either version 2 of the License, or (at your option)
9 This program is distributed in the hope that it will be useful, but WITHOUT
10 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 You should have received a copy of the GNU General Public License along
15 with this program; if not, write to the Free Software Foundation, Inc.,
16 675 Mass Ave, Cambridge, MA 02139, USA.
19 #ifndef __ardour_meter_h__
20 #define __ardour_meter_h__
23 #include "ardour/types.h"
24 #include "ardour/processor.h"
25 #include "pbd/fastlog.h"
34 /** Meters peaks on the input and stores them for access.
36 class PeakMeter : public Processor {
38 PeakMeter(Session& s) : Processor(s, "meter", PreFader) {}
43 bool can_support_io_configuration (const ChanCount& in, ChanCount& out) const { return true; }
44 bool configure_io (ChanCount in, ChanCount out);
47 void run_in_place (BufferSet& bufs, nframes_t start_frame, nframes_t end_frame, nframes_t nframes, nframes_t offset);
49 float peak_power (uint32_t n) {
50 if (n < _visible_peak_power.size()) {
51 return _visible_peak_power[n];
53 return minus_infinity();
57 float max_peak_power (uint32_t n) {
58 if (n < _max_peak_power.size()) {
59 return _max_peak_power[n];
61 return minus_infinity();
66 /* disallow copy construction */
67 PeakMeter (PeakMeter const &);
72 std::vector<float> _peak_power;
73 std::vector<float> _visible_peak_power;
74 std::vector<float> _max_peak_power;
80 #endif // __ardour_meter_h__