diff options
Diffstat (limited to 'libs/ardour/mtdm.cc')
| -rw-r--r-- | libs/ardour/mtdm.cc | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/libs/ardour/mtdm.cc b/libs/ardour/mtdm.cc index c2a0e1e021..4e208a56f7 100644 --- a/libs/ardour/mtdm.cc +++ b/libs/ardour/mtdm.cc @@ -1,6 +1,6 @@ /* Copyright (C) 2003-2008 Fons Adriaensen <fons@kokkinizita.net> - + 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 @@ -18,25 +18,25 @@ #include <ardour/mtdm.h> -MTDM::MTDM (void) +MTDM::MTDM (void) : _cnt (0) , _inv (0) { int i; Freq *F; - + _freq [0].f = 4096; _freq [1].f = 512; _freq [2].f = 1088; _freq [3].f = 1544; _freq [4].f = 2049; - + _freq [0].a = 0.2f; _freq [1].a = 0.1f; _freq [2].a = 0.1f; _freq [3].a = 0.1f; _freq [4].a = 0.1f; - + for (i = 0, F = _freq; i < 5; i++, F++) { F->p = 128; F->xa = F->ya = 0.0f; @@ -44,27 +44,27 @@ MTDM::MTDM (void) } } -int +int MTDM::process (size_t len, float *ip, float *op) { int i; float vip, vop, a, c, s; Freq *F; - + while (len--) { vop = 0.0f; vip = *ip++; for (i = 0, F = _freq; i < 5; i++, F++) { - a = 2 * (float) M_PI * (F->p & 65535) / 65536.0; + a = 2 * (float) M_PI * (F->p & 65535) / 65536.0; F->p += F->f; - c = cosf (a); - s = -sinf (a); + c = cosf (a); + s = -sinf (a); vop += F->a * s; F->xa += s * vip; F->ya += c * vip; - } + } *op++ = vop; if (++_cnt == 16) { @@ -81,13 +81,13 @@ MTDM::process (size_t len, float *ip, float *op) return 0; } -int +int MTDM::resolve () { int i, k, m; double d, e, f0, p; Freq *F = _freq; - + if (hypot (F->xf, F->yf) < 0.01) { return -1; } @@ -120,13 +120,13 @@ MTDM::resolve () _err = e; } if (e > 0.4) { - return 1; + return 1; } d += m * (k & 7); m *= 8; - } + } _del = 16 * d; - + return 0; } |