--- alienwah.cpp.orig	Thu Nov 29 17:45:29 2001
+++ alienwah.cpp	Thu Nov 29 20:23:40 2001
@@ -52,8 +52,9 @@
 */
 #include <complex.h>
 #include <fcntl.h>
-#include <sys\stat.h>
-#include <io.h>
+#include <sys/stat.h>
+/* #include <io.h> */
+#include <unistd.h>
 #include <stdio.h>
 #include <math.h>
 
@@ -65,24 +66,24 @@
 #define samplerate 44100
 
 #define bufsize 1024
-int buf1[bufsize];//input buffer
-int buf2[bufsize];//output buffer
+short buf1[bufsize];//input buffer
+short buf2[bufsize];//output buffer
 
 
 #define lfoskipsamples 25 // How many samples are processed before compute the lfo value again
 
 struct params{
    float freq,startphase,fb;
-   int delay;
+   short delay;
 } awparams;
 //alien wah internal parameters
 
 struct alienwahinternals{
- complex *delaybuf;
+ float_complex *delaybuf;
  float lfoskip;
  long int t;
- complex c;
- int k;
+ float_complex c;
+ short k;
 } awint;
 
 
@@ -94,9 +95,9 @@
   awparams.fb=fb/4+0.74;
   awparams.delay=(int)(delay/44100.0*samplerate);
   if (delay<1) delay=1;
-  awint.delaybuf=new complex[awparams.delay];
+  awint.delaybuf=new float_complex[awparams.delay];
   int i;
-  for (i=0;i<delay;i++) awint.delaybuf[i]=complex(0,0);
+  for (i=0;i<delay;i++) awint.delaybuf[i]=float_complex(0,0);
   awint.lfoskip=freq*2*3.141592653589/samplerate;
   awint.t=0;
 }
@@ -105,30 +106,26 @@
 void process(){
  int i;
  float lfo,out;
- complex outc;
+ float_complex outc;
  for(i=0;i<bufsize;i++){
 	 if (awint.t++%lfoskipsamples==0){
 		lfo=(1+cos(awint.t*awint.lfoskip+awparams.startphase));
-		awint.c=complex(cos(lfo)*awparams.fb,sin(lfo)*awparams.fb);
+		awint.c=float_complex(cos(lfo)*awparams.fb,sin(lfo)*awparams.fb);
 	 };
 	 outc=awint.c*awint.delaybuf[awint.k]+(1-awparams.fb)*buf1[i];
 	 awint.delaybuf[awint.k]=outc;
 	 if ((++awint.k)>=awparams.delay) awint.k=0;
 	 out=real(outc)*3;  //take real part of outc
-	 if (out<-32768) out=-32768;
-		else if (out>32767) out=32767; //Prevents clipping
-	 buf2[i]=out;
+         if (out<-32768) out=-32768;
+                else if (out>32767) out=32767; //Prevents clipping
+	 buf2[i]=(short)out;
  };
 }
 
 int main(){
-	char f1,f2;
 	int readed;
 	long int filereaded=0;
 	printf("\n");
-	f1=open(infile,O_RDONLY|O_BINARY);
-	remove(outfile);
-	f2=open(outfile,O_BINARY|O_CREAT,S_IWRITE);
 	long int i;
 
 
@@ -139,19 +136,17 @@
             );  
 
 	do {
-		readed=read(f1,buf1,bufsize*2);
+		readed=read(STDIN_FILENO,buf1,bufsize*2);
 
 		process();
 
-		write(f2,buf2,readed);
-		printf("%ld  bytes \r",filereaded);
+		write(STDOUT_FILENO,buf2,readed);
+		fprintf(stderr, "%ld  bytes \r",filereaded);
 		filereaded+=readed;
 	}while (readed==bufsize*2);
 
 	delete(awint.delaybuf);
-	close(f1);
-	close(f2);
-	printf("\n\n");
+	fprintf(stderr, "\n\n");
 
 	return(0);
 }