Added new function CDAUDIO_Seek().

include/cdrom.h

@@ -56,14 +56,15 @@ int	CDAUDIO_Reset(WINE_CDAUDIO* wcda);
 int	CDAUDIO_Play(WINE_CDAUDIO* wcda, DWORD start, DWORD stop);
 int	CDAUDIO_Stop(WINE_CDAUDIO* wcda);
 int	CDAUDIO_Pause(WINE_CDAUDIO* wcda, int pauseOn);
+int	CDAUDIO_Seek(WINE_CDAUDIO* wcda, DWORD at);
 int	CDAUDIO_SetDoor(WINE_CDAUDIO* wcda, int open);
 UINT16 	CDAUDIO_GetNumberOfTracks(WINE_CDAUDIO* wcda);
 BOOL 	CDAUDIO_GetTracksInfo(WINE_CDAUDIO* wcda);
 BOOL	CDAUDIO_GetCDStatus(WINE_CDAUDIO* wcda);
 
 #define CDFRAMES_PERSEC 		75
-#define CDFRAMES_PERMIN 		4500
 #define SECONDS_PERMIN	 		60
+#define CDFRAMES_PERMIN 		((CDFRAMES_PERSEC) * (SECONDS_PERMIN))
 
 #ifndef CDROM_DATA_TRACK
 #define CDROM_DATA_TRACK 0x04

misc/cdrom.c

@@ -29,7 +29,7 @@
 int	CDAUDIO_Open(WINE_CDAUDIO* wcda)
 {
 #if defined(linux) || defined(__FreeBSD__) || defined(__NetBSD__)
-    wcda->unixdev = open(CDAUDIO_DEV, O_RDONLY, 0);
+    wcda->unixdev = open(CDAUDIO_DEV, O_RDONLY | O_NONBLOCK, 0);
     if (wcda->unixdev == -1) {
 	WARN(cdaudio,"can't open '%s'!.  errno=%d\n", CDAUDIO_DEV, errno);
 	return -1;
@@ -423,6 +423,31 @@ int	CDAUDIO_Pause(WINE_CDAUDIO* wcda, int pauseOn)
 #endif
 }
 
+int	CDAUDIO_Seek(WINE_CDAUDIO* wcda, DWORD at)
+{
+#if defined(linux) || defined(__FreeBSD__) || defined(__NetBSD__)
+    int				ret = 0;    
+    struct cdrom_msf0		msf;
+#ifdef linux
+    msf.minute = at / CDFRAMES_PERMIN;
+    msf.second = (at % CDFRAMES_PERMIN) / CDFRAMES_PERSEC;
+    msf.frame  = at % CDFRAMES_PERSEC;
+
+   ret = ioctl(wcda->unixdev, CDROMSEEK, &msf);
+#else
+   /* FIXME: the current end for play is lost 
+    * use end of CD ROM instead
+    */
+   FIXME(cdaudio, "Could a BSD expert implement the seek function ?\n");
+   CDAUDIO_Play(wcda, at, wcda->lpdwTrackPos[wcda->nTracks] + wcda->lpdwTrackLen[wcda->nTracks]);
+   
+#endif
+    return ret;
+#else
+    return -1;
+#endif
+}
+
 /**************************************************************************
  * 				CDAUDIO_SetDoor			[internal]
  */