diff -urN xine-lib-1.1.4/src/audio_out/audio_oss_out.c xine-lib-1.1.4.b/src/audio_out/audio_oss_out.c
--- xine-lib-1.1.4/src/audio_out/audio_oss_out.c	2006-07-16 18:18:09.000000000 +0200
+++ xine-lib-1.1.4.b/src/audio_out/audio_oss_out.c	2007-02-23 07:58:32.420704437 +0100
@@ -789,9 +789,21 @@
    */
 
   arg = AFMT_S16_NE; 
-  status = ioctl(audio_fd, SOUND_PCM_SETFMT, &arg);
+  status = ioctl(audio_fd,
+  #if OSS_VERSION >= 0x040000
+		 SNDCTL_DSP_SETFMT,
+  #else
+		 SOUND_PCM_SETFMT,
+  #endif 
+		 &arg);
   arg = 44100;
-  status = ioctl(audio_fd, SOUND_PCM_WRITE_RATE, &arg);
+  status = ioctl(audio_fd, 
+  #if OSS_VERSION >= 0x040001
+		 SNDCTL_DSP_SPEED, 
+  #else
+		 SOUND_PCM_WRITE_RATE,
+  #endif
+		 &arg);
 
   /*
    * find out which sync method to use
@@ -903,12 +915,24 @@
   this->capabilities = 0;
   
   arg = AFMT_U8;
-  if( ioctl(audio_fd, SOUND_PCM_SETFMT, &arg) != -1  && arg == AFMT_U8)
+  if( ioctl(audio_fd, 
+  #if OSS_VERSION >= 0x040000
+	    SNDCTL_DSP_SETFMT, 
+  #else
+	    SOUND_PCM_SETFMT,
+  #endif
+	    &arg) != -1  && arg == AFMT_U8)
     this->capabilities |= AO_CAP_8BITS;
   
   /* switch back to 16bits, because some soundcards otherwise do not report all their capabilities */
   arg = AFMT_S16_NE;
-  if (ioctl(audio_fd, SOUND_PCM_SETFMT, &arg) == -1 || arg != AFMT_S16_NE) {
+  if (ioctl(audio_fd, 
+  #if OSS_VERSION >= 0x040000
+	    SNDCTL_DSP_SETFMT, 
+  #else
+	    SOUND_PCM_SETFMT,
+  #endif 
+	    &arg) == -1 || arg != AFMT_S16_NE) {
     xprintf(class->xine, XINE_VERBOSITY_DEBUG, "audio_oss_out: switching the soundcard to 16 bits mode failed\n");
     free(this);
     close(audio_fd);