summaryrefslogtreecommitdiff
path: root/attic/muse2-oom/muse2/al/dsp.h
diff options
context:
space:
mode:
authorRobert Jonsson <spamatica@gmail.com>2011-09-15 12:14:55 +0000
committerRobert Jonsson <spamatica@gmail.com>2011-09-15 12:14:55 +0000
commitb0546e5e7f7044019892543c6c82029db8d564a7 (patch)
tree1b96a6260900f3fbf3513fb48a5a72aa89052dc8 /attic/muse2-oom/muse2/al/dsp.h
parent583c73d1a07154d3d2672d65d8cce6495f490454 (diff)
moved attic to a branch of it's own
Diffstat (limited to 'attic/muse2-oom/muse2/al/dsp.h')
-rw-r--r--attic/muse2-oom/muse2/al/dsp.h107
1 files changed, 0 insertions, 107 deletions
diff --git a/attic/muse2-oom/muse2/al/dsp.h b/attic/muse2-oom/muse2/al/dsp.h
deleted file mode 100644
index f88a0122..00000000
--- a/attic/muse2-oom/muse2/al/dsp.h
+++ /dev/null
@@ -1,107 +0,0 @@
-//=============================================================================
-// AL
-// Audio Utility Library
-// $Id: dsp.h,v 1.1.2.1 2009/12/06 01:39:33 terminator356 Exp $
-//
-// 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__
-
-#include <string.h>
-#include <math.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);
-/*
- {
-// Changed by T356. Not defined. Where are these???
-//#if defined(ARCH_X86) || defined(ARCH_X86_64)
-#if defined(__i386__) || defined(__x86_64__)
- printf("Dsp: using asm cpy\n");
- // Changed by T356. Get To and From not declared in scope compile errors.
- register unsigned long int dummy;
- //__asm__ __volatile__ ("rep; movsl" :"=&D"(dst), "=&S"(src), "=&c"(dummy) :"0" (to), "1" (from),"2" (n) : "memory");
- // From http://www.ibiblio.org/gferg/ldp/GCC-Inline-Assembly-HOWTO.html
- __asm__ __volatile__ ( \
- "cld\n\t" \
- "rep\n\t" \
- "movsl" \
- : \
- : "S" (src), "D" (dst), "c" (n) \
- : "memory"
- );
-
- //: "%ecx", "%esi", "%edi", "memory"
-#else
- printf("Dsp: using memcpy\n");
- memcpy(dst, src, sizeof(float) * n);
-#endif
- }
-*/
-
- };
-
-extern void initDsp();
-extern void exitDsp();
-extern Dsp* dsp;
-
-}
-
-#endif
-