diff options
Diffstat (limited to 'attic/muse2-oom/muse2/al/dsp.cpp')
| -rw-r--r-- | attic/muse2-oom/muse2/al/dsp.cpp | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/attic/muse2-oom/muse2/al/dsp.cpp b/attic/muse2-oom/muse2/al/dsp.cpp deleted file mode 100644 index fa9fa18b..00000000 --- a/attic/muse2-oom/muse2/al/dsp.cpp +++ /dev/null @@ -1,182 +0,0 @@ -//============================================================================= -// AL -// Audio Utility Library -// $Id: dsp.cpp,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. -//============================================================================= - -#include <stdio.h> -#include <stdint.h> -#include "dsp.h" -#include "config.h" -#include "../globals.h" - -namespace AL { - -Dsp* dsp = 0; - -#ifdef __i386__ - -//--------------------------------------------------------- -// DspSSE86 -//--------------------------------------------------------- - -extern "C" { -extern float x86_sse_compute_peak(float*, unsigned, float); -extern void x86_sse_apply_gain_to_buffer(float*, unsigned, float); -extern void x86_sse_mix_buffers_with_gain(float*, float*, unsigned, float); -extern void x86_sse_mix_buffers_no_gain(float*, float*, unsigned); - }; - -class DspSSE86 : public Dsp { - public: - DspSSE86() {} - virtual ~DspSSE86() {} - - virtual float peak(float* buf, unsigned n, float current) { - if ( ((intptr_t)buf % 16) != 0) { - fprintf(stderr, "peak(): buffer unaligned! (%p)\n", buf); - return Dsp::peak(buf, n, current); - } - return x86_sse_compute_peak(buf, n, current); - } - - virtual void applyGainToBuffer(float* buf, unsigned n, float gain) { - if ( ((intptr_t)buf % 16) != 0) { - fprintf(stderr, "applyGainToBuffer(): buffer unaligned! (%p)\n", buf); - Dsp::applyGainToBuffer(buf, n, gain); - } - else - x86_sse_apply_gain_to_buffer(buf, n, gain); - } - - virtual void mixWithGain(float* dst, float* src, unsigned n, float gain) { - if ( ((intptr_t)dst & 15) != 0) - fprintf(stderr, "mixWithGainain(): dst unaligned! (%p)\n", dst); - if (((intptr_t)dst & 15) != ((intptr_t)src & 15) ) { - fprintf(stderr, "mixWithGain(): dst & src don't have the same alignment!\n"); - Dsp::mixWithGain(dst, src,n, gain); - } - else - x86_sse_mix_buffers_with_gain(dst, src, n, gain); - } - virtual void mix(float* dst, float* src, unsigned n) { - if ( ((intptr_t)dst & 15) != 0) - fprintf(stderr, "mix_buffers_no_gain(): dst unaligned! %p\n", dst); - if ( ((intptr_t)dst & 15) != ((intptr_t)src & 15) ) { - fprintf(stderr, "mix_buffers_no_gain(): dst & src don't have the same alignment!\n"); - Dsp::mix(dst, src, n); - } - else - x86_sse_mix_buffers_no_gain(dst, src, n); - } - }; -#endif - -//--------------------------------------------------------- -// initDsp -//--------------------------------------------------------- - -void initDsp() - { -#if 0 // Disabled for now. -#if defined(__i386__) || defined(__x86_64__) - if(debugMsg) - printf("Muse: __i386__ or __x86_64__ defined. Using optimized float buffer copying (asm movsl).\n"); -#else - if(debugMsg) - printf("Muse: __i386__ or __x86_64__ not defined. Using non-optimized memcpy for float buffer copying.\n"); -#endif -#endif - -#if defined(__i386__) && defined(USE_SSE) - unsigned long useSSE = 0; - if(debugMsg) - printf("initDsp: __i386__ and USE_SSE defined\n"); - -// FIXME: 64? Shouldn't these routines work on 32 bit? -#ifdef __x86_64__ - useSSE = 1 << 25; // we know the platform has SSE - if(debugMsg) - printf("initDsp: __x86_64__ defined\n"); -#else - if(debugMsg) - printf("initDsp: getting cpuid via asm\n"); - asm ( - "mov $1, %%eax\n" - "pushl %%ebx\n" - "cpuid\n" - "movl %%edx, %0\n" - "popl %%ebx\n" - : "=r" (useSSE) - : - : "%eax", "%ecx", "%edx", "memory"); -#endif - if(debugMsg) - printf("initDsp: checking for bit 25 SSE support:%lX\n", useSSE); - useSSE &= (1 << 25); // bit 25 = SSE support - if (useSSE) { - printf("Using SSE optimized routines\n"); - dsp = new DspSSE86(); - return; - } - // fall through to not hardware optimized routines -#endif - if(debugMsg) - printf("Muse: using unoptimized non-SSE dsp routines\n"); - dsp = new Dsp(); - } - -//--------------------------------------------------------- -// exitDsp -//--------------------------------------------------------- - -void exitDsp() -{ - if(dsp) - delete dsp; - dsp = 0; -} - -void Dsp::cpy(float* dst, float* src, unsigned n) -{ -// FIXME: Changed by T356. Not defined. Where are these??? -//#if defined(ARCH_X86) || defined(ARCH_X86_64) -///#if defined(__i386__) || defined(__x86_64__) -#if 0 // Disabled for now. - //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"); - // FIXME: FIXME: I don't think this is correct but it works so far... - // Tried clobbering, get "Can't find a register in class `CREG' while reloading `asm'" - __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 -} - -} // namespace AL |