diff -NurBb ccaudio2-0.9.0/src/detect.cpp /tmp/ccaudiosrc/detect.cpp
--- ccaudio2-0.9.0/src/detect.cpp	2006-05-02 02:20:18.000000000 +0200
+++ tmp/ccaudiosrc/detect.cpp	2006-05-02 02:17:27.000000000 +0200
@@ -32,6 +32,7 @@
 #include <cctype>
 #include <cmath>
 #include <ctime>
+#include <iostream>
 
 #ifdef  HAVE_STDINT_H
 #include <stdint.h>
@@ -198,7 +199,7 @@
 		// time of a rolled loop on the machine on which it was developed 
 		for(j = sample;  j < limit;  j++)
 		{
-			famp = amp[j];
+			famp = amp[2*j+1];
 	  		state->energy += famp*famp;
 	    
 			// With GCC 2.95, the following unrolled code seems to take about 35%
diff -NurBb ccaudio2-0.9.0/src/oss.cpp /tmp/ccaudiosrc/oss.cpp
--- ccaudio2-0.9.0/src/oss.cpp	2006-03-30 00:17:28.000000000 +0200
+++ tmp/ccaudiosrc/oss.cpp	2006-05-02 02:17:27.000000000 +0200
@@ -39,7 +39,7 @@
 #include "audio2.h"
 #include <cmath>
 #include <cstdio>
-
+#include <iostream>
 extern int _oss_ccaudio_dummy;
 int _oss_ccaudio_dummy = 0;
 
@@ -183,6 +183,10 @@
 
 	if(ioctl(dsp, SOUND_PCM_WRITE_RATE, &srate))
 		return false;
+	if ( srate == 0 ) {
+		std::cerr << "ossSetAudio: invalid rate " << rate << std::endl;
+		return false;
+	}
 
 	if(ioctl(dsp, SOUND_PCM_WRITE_CHANNELS, &channels))
 		return false;
@@ -192,7 +196,10 @@
 	ioctl(dsp, SNDCTL_DSP_GETBLKSIZE, &blksize);
 	info.framesize = blksize;	
 	info.framecount = toSamples(info.encoding, blksize);
+	if ( srate )
 	info.framing = (info.framecount * 1000l) / srate;
+	else
+		info.framing = (info.framecount * 500l);
 
 	bufsize = info.framecount * channels;