new branch muse2, first checkin

8 files changed, 1615 insertions, 0 deletions

diff --git a/muse2/al/Makefile.am b/muse2/al/Makefile.am
new file mode 100644
index 00000000..f2464217
--- /dev/null
+++ b/muse2/al/Makefile.am
@@ -0,0 +1,18 @@
+include $(top_srcdir)/common.am
+
+if PCH
+AM_CXXFLAGS += -include $(top_srcdir)/all.h
+endif
+
+noinst_LIBRARIES = libal.a
+
+dist_libal_a_SOURCES = \
+	al.cpp al.h \
+	dsp.cpp dsp.h
+
+if USE_SSE
+dist_libal_a_SOURCES += dspSSE.cpp dspXMM.cpp
+dspSSE.o: dspSSE.cpp 
+	$(CXXCOMPILE) -x assembler -c dspSSE.cpp
+endif
+
diff --git a/muse2/al/Makefile.in b/muse2/al/Makefile.in
new file mode 100644
index 00000000..7f747537
--- /dev/null
+++ b/muse2/al/Makefile.in
@@ -0,0 +1,595 @@
+# Makefile.in generated by automake 1.11.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
+# Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \
+	$(top_srcdir)/common.am
+@PCH_TRUE@am__append_1 = -include $(top_srcdir)/all.h
+@USE_SSE_TRUE@am__append_2 = dspSSE.cpp dspXMM.cpp
+subdir = al
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/m4/aclocal-include.m4 \
+	$(top_srcdir)/m4/alsa.m4 $(top_srcdir)/m4/docbook.m4 \
+	$(top_srcdir)/m4/libtool.m4 $(top_srcdir)/m4/ltoptions.m4 \
+	$(top_srcdir)/m4/ltsugar.m4 $(top_srcdir)/m4/ltversion.m4 \
+	$(top_srcdir)/m4/lt~obsolete.m4 $(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/config.h
+CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
+LIBRARIES = $(noinst_LIBRARIES)
+ARFLAGS = cru
+libal_a_AR = $(AR) $(ARFLAGS)
+libal_a_LIBADD =
+am__dist_libal_a_SOURCES_DIST = al.cpp al.h dsp.cpp dsp.h dspSSE.cpp \
+	dspXMM.cpp
+@USE_SSE_TRUE@am__objects_1 = dspSSE.$(OBJEXT) dspXMM.$(OBJEXT)
+dist_libal_a_OBJECTS = al.$(OBJEXT) dsp.$(OBJEXT) $(am__objects_1)
+libal_a_OBJECTS = $(dist_libal_a_OBJECTS)
+DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)
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+am__depfiles_maybe = depfiles
+am__mv = mv -f
+CXXCOMPILE = $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
+	$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)
+LTCXXCOMPILE = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
+	--mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
+	$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)
+CXXLD = $(CXX)
+CXXLINK = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
+	--mode=link $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(AM_LDFLAGS) \
+	$(LDFLAGS) -o $@
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
+	--mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
+	$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+CCLD = $(CC)
+LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
+	--mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) \
+	$(LDFLAGS) -o $@
+SOURCES = $(dist_libal_a_SOURCES)
+DIST_SOURCES = $(am__dist_libal_a_SOURCES_DIST)
+ETAGS = etags
+CTAGS = ctags
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
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+ALSA_CFLAGS = @ALSA_CFLAGS@
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+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
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+PKG_CONFIG = @PKG_CONFIG@
+PYTHON = @PYTHON@
+PYTHON_EXEC_PREFIX = @PYTHON_EXEC_PREFIX@
+PYTHON_INCLUDES = @PYTHON_INCLUDES@
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+X_LIBS = @X_LIBS@
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+datarootdir = @datarootdir@
+docdir = @docdir@
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+have_docbook = @have_docbook@
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+synth_fluidsynth = @synth_fluidsynth@
+sysconfdir = @sysconfdir@
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+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+AM_CXXFLAGS = $(MUSECXXFLAGS) -I.. -I$(top_srcdir)/synti \
+	-I$(top_srcdir)/muse/widgets -DQT_SHARED -DQT_THREAD_SUPPORT \
+	-DQT_PLUGIN $(QTDIR_INC) -DQT3_SUPPORT $(am__append_1)
+AM_CPPFLAGS = 
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+UIFILES = $(wildcard *.ui)
+MOCFILES = $(shell for h in $(filter %.h,$(SOURCES)); do \
+		     if grep -q Q_OBJECT $$h; then \
+		       echo $$h | sed "s/\(.*\)\.h/moc_\1.cpp/"; \
+		     fi; \
+		   done)
+
+BUILT_SOURCES = $(MOCFILES) $(UIFILES:%.ui=%.h)
+MOSTLYCLEANFILES = $(MOCFILES) $(UIFILES:%.ui=%.h)
+SUFFIXES = .ui .h.gch
+noinst_LIBRARIES = libal.a
+dist_libal_a_SOURCES = al.cpp al.h dsp.cpp dsp.h $(am__append_2)
+all: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) all-am
+
+.SUFFIXES:
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+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am $(top_srcdir)/common.am $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu al/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu al/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
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+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+
+clean-noinstLIBRARIES:
+	-test -z "$(noinst_LIBRARIES)" || rm -f $(noinst_LIBRARIES)
+libal.a: $(libal_a_OBJECTS) $(libal_a_DEPENDENCIES) 
+	-rm -f libal.a
+	$(libal_a_AR) libal.a $(libal_a_OBJECTS) $(libal_a_LIBADD)
+	$(RANLIB) libal.a
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/al.Po@am__quote@
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+@am__fastdepCXX_TRUE@	$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
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+	  done | \
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+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
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+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
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+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
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+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
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+	  `test -z '$(STRIP)' || \
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+mostlyclean-generic:
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+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(BUILT_SOURCES)" || rm -f $(BUILT_SOURCES)
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstLIBRARIES \
+	mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: all check install install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
+	clean-libtool clean-noinstLIBRARIES ctags distclean \
+	distclean-compile distclean-generic distclean-libtool \
+	distclean-tags distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am install-man \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
+	pdf pdf-am ps ps-am tags uninstall uninstall-am
+
+
+de:
+	@for base in $(MOCFILES); do echo -e "\t$${base}.cpp $${base}.h \\"; done
+
+nde:
+	@for base in $(MOCFILES); do echo -e "\tmoc_$${base}.cpp \\"; done
+
+.ui.o: %.h
+	$(UIC) -L $(top_srcdir)/muse/widgets -o $*.cpp -impl $*.h $*.ui
+	$(MOC) $*.h >> $*.cpp
+	$(CXXCOMPILE) -c $*.cpp -o $*.o
+	$(RM) $*.cpp moc_$*.cpp moc_$*.o
+
+.ui.lo: %.h
+	$(UIC) -L $(top_srcdir)/muse/widgets -o $*.cpp -impl $*.h $*.ui
+	$(MOC) $*.h >> $*.cpp
+	$(LTCXXCOMPILE) -c $*.cpp -o $*.lo
+	$(RM) $*.cpp moc_$*.cpp moc_$*.lo moc_$*.o
+
+moc_%.cpp: %.h
+	$(MOC) $< -o $@
+
+%.h: %.ui
+	$(UIC)  -o $@ $<
+#	$(UIC) -L $(top_srcdir)/muse/widgets -o $@ $<
+@USE_SSE_TRUE@dspSSE.o: dspSSE.cpp 
+@USE_SSE_TRUE@	$(CXXCOMPILE) -x assembler -c dspSSE.cpp
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/muse2/al/al.cpp b/muse2/al/al.cpp
new file mode 100644
index 00000000..dddb6805
--- /dev/null
+++ b/muse2/al/al.cpp
@@ -0,0 +1,29 @@
+//=============================================================================
+//  AL
+//  Audio Utility Library
+//  $Id: al.cpp,v 1.1.2.2 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 "al.h"
+
+namespace AL {
+      int sampleRate = 44100;
+      int mtcType = 0;
+      int division = 384;
+      bool debugMsg = false;
+      };
+
diff --git a/muse2/al/al.h b/muse2/al/al.h
new file mode 100644
index 00000000..2f1a02d9
--- /dev/null
+++ b/muse2/al/al.h
@@ -0,0 +1,34 @@
+//=============================================================================
+//  AL
+//  Audio Utility Library
+//  $Id: al.h,v 1.1.2.2 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 __AL_H__
+#define __AL_H__
+
+namespace AL {
+
+      extern bool debugMsg;
+      extern int sampleRate;
+      extern int mtcType;
+      extern int division;
+
+      }
+
+#endif
+
diff --git a/muse2/al/dsp.cpp b/muse2/al/dsp.cpp
new file mode 100644
index 00000000..fa9fa18b
--- /dev/null
+++ b/muse2/al/dsp.cpp
@@ -0,0 +1,182 @@
+//=============================================================================
+//  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
diff --git a/muse2/al/dsp.h b/muse2/al/dsp.h
new file mode 100644
index 00000000..f88a0122
--- /dev/null
+++ b/muse2/al/dsp.h
@@ -0,0 +1,107 @@
+//=============================================================================
+//  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
+
diff --git a/muse2/al/dspSSE.cpp b/muse2/al/dspSSE.cpp
new file mode 100644
index 00000000..a345e308
--- /dev/null
+++ b/muse2/al/dspSSE.cpp
@@ -0,0 +1,531 @@
+//=========================================================
+//  MusE
+//  Linux Music Editor
+//  $Id: dspSSE.cpp,v 1.1.2.3 2009/12/20 00:04:25 spamatica Exp $
+//
+//  (C) Copyright 2007-2009 Werner Schweer (ws@seh.de)
+//      file originally from Ardour DAW project by Paul Davis (c) 2005
+//      licensed through GPL
+//    	Original author Sampo Savolainen
+//
+//  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.
+//======================================================================
+
+#; void x86_sse_mix_buffers_with_gain (float *dst, float *src, long nframes, float gain);
+
+.globl x86_sse_mix_buffers_with_gain
+	.type	x86_sse_mix_buffers_with_gain,@function
+
+x86_sse_mix_buffers_with_gain:
+#; 8(%ebp)	= float	*dst 	= %edi
+#; 12(%ebp) = float *src	= %esi
+#; 16(%ebp) = long	nframes = %ecx
+#; 20(%ebp) = float	gain    = st(0)
+
+	pushl %ebp
+	movl %esp, %ebp
+
+	#; save the registers
+#;	pushl %eax
+	pushl %ebx
+#;	pushl %ecx
+	pushl %edi
+	pushl %esi
+	
+	#; if nframes == 0, go to end
+	movl 16(%ebp), %ecx #; nframes
+	cmp	$0, %ecx
+	je	.MBWG_END
+
+	#; Check for alignment
+
+	movl 8(%ebp), %edi  #; dst 
+	movl 12(%ebp), %esi #; src
+
+	movl %edi, %eax
+	andl $12, %eax #; mask alignemnt offset
+
+	movl %esi, %ebx
+	andl $12, %ebx #; mask alignment offset
+
+	cmp %eax, %ebx
+	jne .MBWG_NONALIGN #; if not aligned, calculate manually
+
+	#; if we are aligned
+	cmp $0, %ebx
+	jz .MBWG_SSE
+	
+	#; Pre-loop, we need to run 1-3 frames "manually" without
+	#; SSE instructions
+
+	movss 20(%ebp), %xmm1 #; xmm1
+
+.MBWG_PRELOOP:
+	
+	movss (%esi), %xmm0
+	mulss %xmm1, %xmm0
+	addss (%edi), %xmm0
+	movss %xmm0, (%edi)
+
+	addl $4, %edi #; dst++
+	addl $4, %esi #; src++
+	decl %ecx 	  #; nframes--
+	jz .MBWG_END
+
+#;	cmp $0, %ecx
+#;	je .MBWG_END #; if we run out of frames, go to end
+	
+	addl $4, %ebx
+	
+	cmp $16, %ebx #; test if we've reached 16 byte alignment
+	jne .MBWG_PRELOOP
+
+
+.MBWG_SSE:
+
+	cmp $4, %ecx #; we know it's not zero, but if it's not >=4, then
+	jnge .MBWG_NONALIGN #; we jump straight to the "normal" code
+
+	#; copy gain to fill %xmm1
+	movss   20(%ebp), %xmm1
+    shufps  $0x00, %xmm1, %xmm1
+
+
+.MBWG_SSELOOP:
+
+	movaps	(%esi), %xmm0 #; source => xmm0
+	mulps	%xmm1,  %xmm0 #; apply gain to source
+	addps	(%edi), %xmm0 #; mix with destination
+	movaps  %xmm0, (%edi) #; copy result to destination
+	
+	addl $16, %edi #; dst+=4
+	addl $16, %esi #; src+=4
+
+	subl $4, %ecx #; nframes-=4
+	cmp $4, %ecx
+	jge .MBWG_SSELOOP
+
+	cmp $0, %ecx
+	je .MBWG_END
+
+	#; if there are remaining frames, the nonalign code will do nicely
+	#; for the rest 1-3 frames.
+	
+.MBWG_NONALIGN:
+	#; not aligned!
+
+	movss 20(%ebp), %xmm1 #; gain => xmm1
+
+.MBWG_NONALIGNLOOP:
+
+	movss (%esi), %xmm0
+	mulss %xmm1, %xmm0
+	addss (%edi), %xmm0
+	movss %xmm0, (%edi)
+	
+	addl $4, %edi
+	addl $4, %esi
+	
+	decl %ecx
+	jnz .MBWG_NONALIGNLOOP
+
+.MBWG_END:
+
+	popl %esi
+	popl %edi
+#;	popl %ecx
+	popl %ebx
+#;	popl %eax
+	
+	#; return
+	leave
+	ret
+
+.size	x86_sse_mix_buffers_with_gain, .-x86_sse_mix_buffers_with_gain
+
+
+
+
+#; void x86_sse_mix_buffers_no_gain (float *dst, float *src, long nframes);
+
+.globl x86_sse_mix_buffers_no_gain
+	.type	x86_sse_mix_buffers_no_gain,@function
+
+x86_sse_mix_buffers_no_gain:
+#; 8(%ebp)	= float	*dst 	= %edi
+#; 12(%ebp) = float *src	= %esi
+#; 16(%ebp) = long	nframes = %ecx
+
+	pushl %ebp
+	movl %esp, %ebp
+
+	#; save the registers
+#;	pushl %eax
+	pushl %ebx
+#;	pushl %ecx
+	pushl %edi
+	pushl %esi
+	
+	#; the real function
+
+	#; if nframes == 0, go to end
+	movl 16(%ebp), %ecx #; nframes
+	cmp	$0, %ecx
+	je	.MBNG_END
+
+	#; Check for alignment
+
+	movl 8(%ebp), %edi  #; dst 
+	movl 12(%ebp), %esi #; src
+
+	movl %edi, %eax
+	andl $12, %eax #; mask alignemnt offset
+
+	movl %esi, %ebx
+	andl $12, %ebx #; mask alignment offset
+
+	cmp %eax, %ebx
+	jne .MBNG_NONALIGN #; if not aligned, calculate manually
+
+	cmp $0, %ebx
+	je .MBNG_SSE
+
+	#; Pre-loop, we need to run 1-3 frames "manually" without
+	#; SSE instructions
+
+.MBNG_PRELOOP:
+		
+	movss (%esi), %xmm0
+	addss (%edi), %xmm0
+	movss %xmm0, (%edi)
+
+	addl $4, %edi #; dst++
+	addl $4, %esi #; src++
+	decl %ecx 	  #; nframes--
+	jz	.MBNG_END
+	addl $4, %ebx
+	
+	cmp $16, %ebx #; test if we've reached 16 byte alignment
+	jne .MBNG_PRELOOP
+
+.MBNG_SSE:
+
+	cmp $4, %ecx #; if there are frames left, but less than 4
+	jnge .MBNG_NONALIGN #; we can't run SSE
+
+.MBNG_SSELOOP:
+
+	movaps	(%esi), %xmm0 #; source => xmm0
+	addps	(%edi), %xmm0 #; mix with destination
+	movaps  %xmm0, (%edi) #; copy result to destination
+	
+	addl $16, %edi #; dst+=4
+	addl $16, %esi #; src+=4
+
+	subl $4, %ecx #; nframes-=4
+	cmp $4, %ecx
+	jge .MBNG_SSELOOP
+
+	cmp $0, %ecx
+	je .MBNG_END
+
+	#; if there are remaining frames, the nonalign code will do nicely
+	#; for the rest 1-3 frames.
+	
+.MBNG_NONALIGN:
+	#; not aligned!
+
+	movss (%esi), %xmm0 #; src => xmm0
+	addss (%edi), %xmm0 #; xmm0 += dst
+	movss %xmm0, (%edi) #; xmm0 => dst
+	
+	addl $4, %edi
+	addl $4, %esi
+	
+	decl %ecx
+	jnz .MBNG_NONALIGN
+
+.MBNG_END:
+
+	popl %esi
+	popl %edi
+#;	popl %ecx
+	popl %ebx
+#;	popl %eax
+	
+	#; return
+	leave
+	ret
+
+.size	x86_sse_mix_buffers_no_gain, .-x86_sse_mix_buffers_no_gain
+
+
+
+
+#; void x86_sse_apply_gain_to_buffer (float *buf, long nframes, float gain);
+
+.globl x86_sse_apply_gain_to_buffer
+	.type	x86_sse_apply_gain_to_buffer,@function
+
+x86_sse_apply_gain_to_buffer:
+#; 8(%ebp)	= float	*buf 	= %edi
+#; 12(%ebp) = long	nframes = %ecx
+#; 16(%ebp) = float	gain    = st(0)
+
+	pushl %ebp
+	movl %esp, %ebp
+
+	#; save %edi
+	pushl %edi
+	
+	#; the real function
+
+	#; if nframes == 0, go to end
+	movl 12(%ebp), %ecx #; nframes
+	cmp	$0, %ecx
+	je	.AG_END
+
+	#; create the gain buffer in %xmm1
+	movss	16(%ebp), %xmm1
+	shufps	$0x00, %xmm1, %xmm1
+	
+	#; Check for alignment
+
+	movl 8(%ebp), %edi #; buf 
+	movl %edi, %edx #; buf => %edx
+	andl $12, %edx #; mask bits 1 & 2, result = 0, 4, 8 or 12
+	jz	.AG_SSE #; if buffer IS aligned
+
+	#; PRE-LOOP
+	#; we iterate 1-3 times, doing normal x87 float comparison
+	#; so we reach a 16 byte aligned "buf" (=%edi) value
+
+.AGLP_START:
+
+	#; Load next value from the buffer
+	movss (%edi), %xmm0
+	mulss %xmm1, %xmm0
+	movss %xmm0, (%edi)
+
+	#; increment buffer, decrement counter
+	addl $4, %edi #; buf++;
+	
+	decl %ecx   #; nframes--
+	jz	.AG_END #; if we run out of frames, we go to the end
+	
+	addl $4, %edx #; one non-aligned byte less
+	cmp $16, %edx
+	jne .AGLP_START #; if more non-aligned frames exist, we do a do-over
+
+.AG_SSE:
+
+	#; We have reached the 16 byte aligned "buf" ("edi") value
+
+	#; Figure out how many loops we should do
+	movl %ecx, %eax #; copy remaining nframes to %eax for division
+	movl $0, %edx   #; 0 the edx register
+	
+	
+	pushl %edi
+	movl $4, %edi
+	divl %edi #; %edx = remainder == 0
+	popl %edi
+
+	#; %eax = SSE iterations
+	cmp $0, %eax
+	je .AGPOST_START
+
+	
+.AGLP_SSE:
+
+	movaps (%edi), %xmm0
+	mulps %xmm1, %xmm0
+	movaps %xmm0, (%edi)
+
+	addl $16, %edi
+#;	subl $4, %ecx   #; nframes-=4
+
+	decl %eax
+	jnz .AGLP_SSE
+
+	#; Next we need to post-process all remaining frames
+	#; the remaining frame count is in %ecx
+	
+	#; if no remaining frames, jump to the end
+#;	cmp $0, %ecx
+	andl $3, %ecx #; nframes % 4
+	je .AG_END
+
+.AGPOST_START:
+
+	movss (%edi), %xmm0
+	mulss %xmm1, %xmm0
+	movss %xmm0, (%edi)
+
+	#; increment buffer, decrement counter
+	addl $4, %edi #; buf++;
+	
+	decl %ecx   #; nframes--
+	jnz	.AGPOST_START #; if we run out of frames, we go to the end
+	
+.AG_END:
+
+
+	popl %edi
+	
+	#; return
+	leave
+	ret
+
+.size	x86_sse_apply_gain_to_buffer, .-x86_sse_apply_gain_to_buffer
+#; end proc
+
+
+
+#; float x86_sse_compute_peak(float *buf, long nframes, float current);
+
+.globl x86_sse_compute_peak
+	.type	x86_sse_compute_peak,@function
+
+x86_sse_compute_peak:
+#; 8(%ebp)	= float	*buf 	= %edi
+#; 12(%ebp) = long	nframes = %ecx
+#; 16(%ebp) = float	current = st(0)
+
+	pushl %ebp
+	movl %esp, %ebp
+
+	#; save %edi
+	pushl %edi
+	
+	#; the real function
+
+	#; Load "current" in xmm0
+	movss 16(%ebp), %xmm0
+
+	#; if nframes == 0, go to end
+	movl 12(%ebp), %ecx #; nframes
+	cmp	$0, %ecx
+	je	.CP_END
+
+	#; create the "abs" mask in %xmm2
+	pushl	$2147483647
+	movss	(%esp), %xmm2
+	addl    $4, %esp
+	shufps	$0x00, %xmm2, %xmm2
+
+	#; Check for alignment
+
+	movl 8(%ebp), %edi #; buf 
+	movl %edi, %edx #; buf => %edx
+	andl $12, %edx #; mask bits 1 & 2, result = 0, 4, 8 or 12
+	jz	.CP_SSE #; if buffer IS aligned
+
+	#; PRE-LOOP
+	#; we iterate 1-3 times, doing normal x87 float comparison
+	#; so we reach a 16 byte aligned "buf" (=%edi) value
+
+.LP_START:
+
+	#; Load next value from the buffer
+	movss (%edi), %xmm1
+	andps %xmm2, %xmm1
+	maxss %xmm1, %xmm0
+
+	#; increment buffer, decrement counter
+	addl $4, %edi #; buf++;
+	
+	decl %ecx   #; nframes--
+	jz	.CP_END #; if we run out of frames, we go to the end
+	
+	addl $4, %edx #; one non-aligned byte less
+	cmp $16, %edx
+	jne .LP_START #; if more non-aligned frames exist, we do a do-over
+
+.CP_SSE:
+
+	#; We have reached the 16 byte aligned "buf" ("edi") value
+
+	#; Figure out how many loops we should do
+	movl %ecx, %eax #; copy remaining nframes to %eax for division
+
+	shr $2,%eax #; unsigned divide by 4
+	jz .POST_START
+
+	#; %eax = SSE iterations
+
+	#; current maximum is at %xmm0, but we need to ..
+	shufps $0x00, %xmm0, %xmm0 #; shuffle "current" to all 4 FP's
+
+	#;prefetcht0 16(%edi)
+
+.LP_SSE:
+
+	movaps (%edi), %xmm1
+	andps %xmm2, %xmm1
+	maxps %xmm1, %xmm0
+
+	addl $16, %edi
+
+	decl %eax
+	jnz .LP_SSE
+
+	#; Calculate the maximum value contained in the 4 FP's in %xmm0
+	movaps %xmm0, %xmm1
+	shufps $0x4e, %xmm1, %xmm1 #; shuffle left & right pairs (1234 => 3412)
+	maxps  %xmm1, %xmm0 #; maximums of the two pairs
+	movaps %xmm0, %xmm1
+	shufps $0xb1, %xmm1, %xmm1 #; shuffle the floats inside the two pairs (1234 => 2143)
+	maxps  %xmm1, %xmm0 
+
+	#; now every float in %xmm0 is the same value, current maximum value
+	
+	#; Next we need to post-process all remaining frames
+	#; the remaining frame count is in %ecx
+	
+	#; if no remaining frames, jump to the end
+
+	andl $3, %ecx #; nframes % 4
+	jz .CP_END
+
+.POST_START:
+
+	movss (%edi), %xmm1
+	andps %xmm2, %xmm1
+	maxss %xmm1, %xmm0
+	
+	addl $4, %edi 	#; buf++;
+	
+	decl %ecx		#; nframes--;
+	jnz .POST_START
+
+.CP_END:
+
+	#; Load the value from xmm0 to the float stack for returning
+	movss %xmm0, 16(%ebp)
+	flds 16(%ebp)
+
+	popl %edi
+	
+	#; return
+	leave
+	ret
+
+.size	x86_sse_compute_peak, .-x86_sse_compute_peak
+#; end proc
+
+#ifdef __ELF__
+.section .note.GNU-stack,"",%progbits
+#endif
+
+
diff --git a/muse2/al/dspXMM.cpp b/muse2/al/dspXMM.cpp
new file mode 100644
index 00000000..99893c3f
--- /dev/null
+++ b/muse2/al/dspXMM.cpp
@@ -0,0 +1,119 @@
+//=========================================================
+//  MusE
+//  Linux Music Editor
+//  $Id: dspXMM.cpp,v 1.1.2.2 2009/12/20 00:04:25 spamatica Exp $
+//
+//  (C) Copyright 2007-2009 Werner Schweer (ws@seh.de)
+//      file originally from Ardour DAW project by Paul Davis (c) 2007
+//      licensed through GPL
+//    	Original author Sampo Savolainen
+//
+//  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 <xmmintrin.h>
+
+void
+x86_sse_find_peaks(float *buf, unsigned nframes, float *min, float *max)
+{
+	__m128 current_max, current_min, work;
+
+	// Load max and min values into all four slots of the XMM registers
+	current_min = _mm_set1_ps(*min);
+	current_max = _mm_set1_ps(*max);
+
+	// Work input until "buf" reaches 16 byte alignment
+	while ( ((unsigned long)buf) % 16 != 0 && nframes > 0) {
+
+		// Load the next float into the work buffer
+		work = _mm_set1_ps(*buf);
+
+		current_min = _mm_min_ps(current_min, work);
+		current_max = _mm_max_ps(current_max, work);
+
+		buf++;
+		nframes--;
+	}
+
+        // use 64 byte prefetch for quadruple quads
+        while (nframes >= 16) {
+                __builtin_prefetch(buf+64,0,0);
+
+                work = _mm_load_ps(buf);
+                current_min = _mm_min_ps(current_min, work);
+                current_max = _mm_max_ps(current_max, work);
+                buf+=4;
+                work = _mm_load_ps(buf);
+                current_min = _mm_min_ps(current_min, work);
+                current_max = _mm_max_ps(current_max, work);
+                buf+=4;
+                work = _mm_load_ps(buf);
+                current_min = _mm_min_ps(current_min, work);
+                current_max = _mm_max_ps(current_max, work);
+                buf+=4;
+                work = _mm_load_ps(buf);
+                current_min = _mm_min_ps(current_min, work);
+                current_max = _mm_max_ps(current_max, work);
+                buf+=4;
+                nframes-=16;
+        }
+
+	// work through aligned buffers
+	while (nframes >= 4) {
+
+		work = _mm_load_ps(buf);
+
+		current_min = _mm_min_ps(current_min, work);
+		current_max = _mm_max_ps(current_max, work);
+
+		buf+=4;
+		nframes-=4;
+	}
+
+	// work through the rest < 4 samples
+	while ( nframes > 0) {
+
+		// Load the next float into the work buffer
+		work = _mm_set1_ps(*buf);
+
+		current_min = _mm_min_ps(current_min, work);
+		current_max = _mm_max_ps(current_max, work);
+
+		buf++;
+		nframes--;
+	}
+
+	// Find min & max value in current_max through shuffle tricks
+
+	work = current_min;
+	work = _mm_shuffle_ps(work, work, _MM_SHUFFLE(2, 3, 0, 1));
+	work = _mm_min_ps (work, current_min);
+	current_min = work;
+	work = _mm_shuffle_ps(work, work, _MM_SHUFFLE(1, 0, 3, 2));
+	work = _mm_min_ps (work, current_min);
+
+	_mm_store_ss(min, work);
+
+	work = current_max;
+	work = _mm_shuffle_ps(work, work, _MM_SHUFFLE(2, 3, 0, 1));
+	work = _mm_max_ps (work, current_max);
+	current_max = work;
+	work = _mm_shuffle_ps(work, work, _MM_SHUFFLE(1, 0, 3, 2));
+	work = _mm_max_ps (work, current_max);
+
+	_mm_store_ss(max, work);
+}
+
+
+