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-rw-r--r--muse_qt4_evolution/al/dsp.h83
1 files changed, 0 insertions, 83 deletions
diff --git a/muse_qt4_evolution/al/dsp.h b/muse_qt4_evolution/al/dsp.h
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index 6c7123ac..00000000
--- a/muse_qt4_evolution/al/dsp.h
+++ /dev/null
@@ -1,83 +0,0 @@
-//=============================================================================
-// AL
-// Audio Utility Library
-// $Id:$
-//
-// Copyright (C) 2002-2006 by Werner Schweer and others
-//
-// This program is free software; you can redistribute it and/or modify
-// it under the terms of the GNU General Public License version 2.
-//
-// 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.
-//=============================================================================
-
-#ifndef __DSP_H__
-#define __DSP_H__
-
-namespace AL {
-
-//---------------------------------------------------------
-// f_max
-//---------------------------------------------------------
-
-static inline float f_max(float x, float a)
- {
- x -= a;
- x += fabsf(x);
- x *= 0.5f;
- x += a;
- return x;
- }
-
-//---------------------------------------------------------
-// Dsp
-// standard version of all dsp routines without any
-// hw acceleration
-//---------------------------------------------------------
-
-class Dsp {
- public:
- Dsp() {}
- virtual ~Dsp() {}
-
- virtual float peak(float* buf, unsigned n, float current) {
- for (unsigned i = 0; i < n; ++i)
- current = f_max(current, fabsf(buf[i]));
- return current;
- }
- virtual void applyGainToBuffer(float* buf, unsigned n, float gain) {
- for (unsigned i = 0; i < n; ++i)
- buf[i] *= gain;
- }
- virtual void mixWithGain(float* dst, float* src, unsigned n, float gain) {
- for (unsigned i = 0; i < n; ++i)
- dst[i] += src[i] * gain;
- }
- virtual void mix(float* dst, float* src, unsigned n) {
- for (unsigned i = 0; i < n; ++i)
- dst[i] += src[i];
- }
- virtual void cpy(float* dst, float* src, unsigned n) {
-#if defined(ARCH_X86) || defined(ARCH_X86_64)
- register unsinged long int dummy;
- __asm__ __volatile__ "rep; movsl" :"=&D"(dst), "=&S"(src), "=&c"(dummy) :"0" (to), "1" (from),"2" (n) : "memory");
-#else
- memcpy(dst, src, sizeof(float) * n);
-#endif
- }
- };
-
-extern void initDsp();
-extern Dsp* dsp;
-
-}
-
-#endif
-