--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/decoders/timidity/output.c	Fri Jan 04 06:49:49 2002 +0000
@@ -0,0 +1,116 @@
+/* 
+
+    TiMidity -- Experimental MIDI to WAVE converter
+    Copyright (C) 1995 Tuukka Toivonen <toivonen@clinet.fi>
+
+    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
+    (at your option) any later version.
+
+    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.
+
+    output.c
+    
+    Audio output (to file / device) functions.
+*/
+
+#if HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include "SDL_sound.h"
+
+#define __SDL_SOUND_INTERNAL__
+#include "SDL_sound_internal.h"
+
+#include "options.h"
+#include "output.h"
+
+/*****************************************************************/
+/* Some functions to convert signed 32-bit data to other formats */
+
+void s32tos8(void *dp, Sint32 *lp, Sint32 c)
+{
+  Sint8 *cp=(Sint8 *)(dp);
+  Sint32 l;
+  while (c--)
+    {
+      l=(*lp++)>>(32-8-GUARD_BITS);
+      if (l>127) l=127;
+      else if (l<-128) l=-128;
+      *cp++ = (Sint8) (l);
+    }
+}
+
+void s32tou8(void *dp, Sint32 *lp, Sint32 c)
+{
+  Uint8 *cp=(Uint8 *)(dp);
+  Sint32 l;
+  while (c--)
+    {
+      l=(*lp++)>>(32-8-GUARD_BITS);
+      if (l>127) l=127;
+      else if (l<-128) l=-128;
+      *cp++ = 0x80 ^ ((Uint8) l);
+    }
+}
+
+void s32tos16(void *dp, Sint32 *lp, Sint32 c)
+{
+  Sint16 *sp=(Sint16 *)(dp);
+  Sint32 l;
+  while (c--)
+    {
+      l=(*lp++)>>(32-16-GUARD_BITS);
+      if (l > 32767) l=32767;
+      else if (l<-32768) l=-32768;
+      *sp++ = (Sint16)(l);
+    }
+}
+
+void s32tou16(void *dp, Sint32 *lp, Sint32 c)
+{
+  Uint16 *sp=(Uint16 *)(dp);
+  Sint32 l;
+  while (c--)
+    {
+      l=(*lp++)>>(32-16-GUARD_BITS);
+      if (l > 32767) l=32767;
+      else if (l<-32768) l=-32768;
+      *sp++ = 0x8000 ^ (Uint16)(l);
+    }
+}
+
+void s32tos16x(void *dp, Sint32 *lp, Sint32 c)
+{
+  Sint16 *sp=(Sint16 *)(dp);
+  Sint32 l;
+  while (c--)
+    {
+      l=(*lp++)>>(32-16-GUARD_BITS);
+      if (l > 32767) l=32767;
+      else if (l<-32768) l=-32768;
+      *sp++ = SDL_Swap16((Sint16)(l));
+    }
+}
+
+void s32tou16x(void *dp, Sint32 *lp, Sint32 c)
+{
+  Uint16 *sp=(Uint16 *)(dp);
+  Sint32 l;
+  while (c--)
+    {
+      l=(*lp++)>>(32-16-GUARD_BITS);
+      if (l > 32767) l=32767;
+      else if (l<-32768) l=-32768;
+      *sp++ = SDL_Swap16(0x8000 ^ (Uint16)(l));
+    }
+}