--- ./Makefile	Tue Jun 15 13:39:06 1999
+++ ../mpg123-0.59r/./Makefile	Sat Aug  4 10:35:08 2001
@@ -418,8 +418,7 @@
 		CFLAGS='-DREAL_IS_FLOAT -O3 -D_HPUX_SOURCE -DHPUX' \
 		mpg123-make
 sgi:
-	$(MAKE) CC=cc LDFLAGS= \
-		OBJECTS='decode.o dct64.o audio_sgi.o' AUDIO_LIB=-laudio \
+	$(MAKE) OBJECTS='decode.o dct64.o audio_sgi.o' AUDIO_LIB=-laudio \
 		CFLAGS='-O2 -DSGI -DREAL_IS_FLOAT -DUSE_MMAP' \
 		mpg123-make
 
--- ./audio_sgi.c	Fri May 28 03:21:44 1999
+++ ../mpg123-0.59r/./audio_sgi.c	Sat Aug  4 10:35:28 2001
@@ -109,7 +109,7 @@
       return 1;      
     }
 
-  params[0].param = AL_OUTPUT_RATE;
+  params[0].param = AL_RATE;
   params[0].value.ll = alDoubleToFixed(ai->rate);
   
   if (alSetParams(dev, params,1) < 0)
@@ -152,10 +152,14 @@
 
 int audio_play_samples(struct audio_info_struct *ai,unsigned char *buf,int len)
 {
-  if(ai->format == AUDIO_FORMAT_SIGNED_8)
-    alWriteFrames(ai->port, buf, len>>1);
-  else
-    alWriteFrames(ai->port, buf, len>>2);
+  int fc = len;
+
+  if (ai->format != AUDIO_FORMAT_SIGNED_8)
+      fc >>= 1;
+  if (ai->channels == 2)
+      fc >>= 1;
+
+  alWriteFrames(ai->port, buf, fc);
 
   return len;
 }