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authorRobin Gareus <robin@gareus.org>2013-07-15 16:07:37 +0200
committerRobin Gareus <robin@gareus.org>2013-07-15 16:07:37 +0200
commitd80f672e8487f459d76ab291958bffcded08f0fd (patch)
treec5b2e432fbc2205e14891cc1eef85bfd4c4067b6 /libs/ardour/iec1ppmdsp.cc
parentce621d1c8a600853be0020942a9664ccee0ab165 (diff)
Revert new meter types (postponed until after 3.3 release)
This reverts commit ce621d1c8a600853be0020942a9664ccee0ab165. This reverts commit 80aa2574819e947668092c660d767e25a661c6f1.
Diffstat (limited to 'libs/ardour/iec1ppmdsp.cc')
-rw-r--r--libs/ardour/iec1ppmdsp.cc100
1 files changed, 0 insertions, 100 deletions
diff --git a/libs/ardour/iec1ppmdsp.cc b/libs/ardour/iec1ppmdsp.cc
deleted file mode 100644
index bed825048f..0000000000
--- a/libs/ardour/iec1ppmdsp.cc
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- Copyright (C) 2012 Fons Adriaensen <fons@linuxaudio.org>
- Adopted for Ardour 2013 by Robin Gareus <robin@gareus.org>
-
- 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.
-*/
-
-#include <math.h>
-#include "ardour/iec1ppmdsp.h"
-
-
-float Iec1ppmdsp::_w1;
-float Iec1ppmdsp::_w2;
-float Iec1ppmdsp::_w3;
-float Iec1ppmdsp::_g;
-
-
-Iec1ppmdsp::Iec1ppmdsp (void) :
- _z1 (0),
- _z2 (0),
- _m (0),
- _res (true)
-{
-}
-
-
-Iec1ppmdsp::~Iec1ppmdsp (void)
-{
-}
-
-
-void Iec1ppmdsp::process (float *p, int n)
-{
- float z1, z2, m, t;
-
- z1 = _z1;
- z2 = _z2;
- m = _res ? 0: _m;
- _res = false;
-
- n /= 4;
- while (n--)
- {
- z1 *= _w3;
- z2 *= _w3;
- t = fabsf (*p++);
- if (t > z1) z1 += _w1 * (t - z1);
- if (t > z2) z2 += _w2 * (t - z2);
- t = fabsf (*p++);
- if (t > z1) z1 += _w1 * (t - z1);
- if (t > z2) z2 += _w2 * (t - z2);
- t = fabsf (*p++);
- if (t > z1) z1 += _w1 * (t - z1);
- if (t > z2) z2 += _w2 * (t - z2);
- t = fabsf (*p++);
- if (t > z1) z1 += _w1 * (t - z1);
- if (t > z2) z2 += _w2 * (t - z2);
- t = z1 + z2;
- if (t > m) m = t;
- }
-
- _z1 = z1 + 1e-10f;
- _z2 = z2 + 1e-10f;
- _m = m;
-}
-
-
-float Iec1ppmdsp::read (void)
-{
- _res = true;
- return _g * _m;
-}
-
-void Iec1ppmdsp::reset ()
-{
- _z1 = _z2 = _m = .0f;
- _res = true;
-}
-
-void Iec1ppmdsp::init (float fsamp)
-{
- _w1 = 450.0f / fsamp;
- _w2 = 1300.0f / fsamp;
- _w3 = 1.0f - 5.4f / fsamp;
- _g = 0.5108f;
-}
-
-/* vi:set ts=8 sts=8 sw=4: */