RESUBMIT: PATCH: DirectSound

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This patch should be used instead. Now all devices are queried for 
dsound support.

Changelog: Only enumerate DirectSound devices if any sound device in the 
system supports the WINE implementation of DirectSound. I have also 
added some entries to the sample config file and changed the values of 
the "EmulDriver" key to "Y"/"N".

Fixes: Sound in the game "Riven" on systems with soundcards without mmap().

/Johan Gill, johane@lysator.liu.se

Index: wine/dlls/dsound/dsound_main.c
===================================================================
RCS file: /home/wine/wine/dlls/dsound/dsound_main.c,v
retrieving revision 1.57
diff -u -r1.57 dsound_main.c
--- wine/dlls/dsound/dsound_main.c	11 May 2002 22:53:00 -0000	1.57
+++ wine/dlls/dsound/dsound_main.c	28 May 2002 15:21:23 -0000
@@ -288,6 +288,22 @@
 static int	ds_snd_queue_max = DS_SND_QUEUE_MAX;
 static int	ds_snd_queue_min = DS_SND_QUEUE_MIN;
 
+/* 
+ * Call the callback provided to DirectSoundEnumerateA.
+ */
+
+inline static void enumerate_devices(LPDSENUMCALLBACKA lpDSEnumCallback,
+				     LPVOID lpContext)
+{
+    if (lpDSEnumCallback != NULL)
+	if (lpDSEnumCallback(NULL, "Primary DirectSound Driver",
+			     "sound", lpContext))
+	    lpDSEnumCallback((LPGUID)&DSDEVID_WinePlayback,
+			     "WINE DirectSound", "sound",
+			     lpContext);
+}
+
+
 /*
  * Get a config key from either the app-specific or the default config
  */
@@ -341,8 +357,8 @@
     /* get options */
 
     if (!get_config_key( hkey, appkey, "EmulDriver", buffer, MAX_PATH )) 
-        ds_emuldriver = atoi(buffer);
- 
+        ds_emuldriver = strcmp(buffer, "N");
+
     if (!get_config_key( hkey, appkey, "HELmargin", buffer, MAX_PATH )) 
         ds_hel_margin = atoi(buffer);
 
@@ -387,18 +403,21 @@
 	LPDSENUMCALLBACKA lpDSEnumCallback,
 	LPVOID lpContext)
 {
+	WAVEOUTCAPSA wcaps;
+	unsigned devs, wod;
+
 	TRACE("lpDSEnumCallback = %p, lpContext = %p\n", 
 	      lpDSEnumCallback, lpContext);
 
-#ifdef HAVE_OSS
-	if (lpDSEnumCallback != NULL)
-		if (lpDSEnumCallback(NULL, "Primary DirectSound Driver",
-				     "sound", lpContext))
-			lpDSEnumCallback((LPGUID)&DSDEVID_WinePlayback,
-					 "WINE DirectSound", "sound",
-					 lpContext);
-#endif
-
+	devs = waveOutGetNumDevs();
+	for (wod = 0; wod < devs; ++wod) {
+		waveOutGetDevCapsA(wod, &wcaps, sizeof(wcaps));
+		if (wcaps.dwSupport & WAVECAPS_DIRECTSOUND) {
+			TRACE("- Device %u supports DirectSound\n", wod);
+			enumerate_devices(lpDSEnumCallback, lpContext);
+			return DS_OK;
+		}
+	}
 	return DS_OK;
 }
 
@@ -3615,7 +3634,7 @@
 		return DS_OK;
 	}
 
-	/* get dsound configuration */
+	/* Get dsound configuration */
 	setup_dsound_options();
 
 	/* Enumerate WINMM audio devices and find the one we want */
Index: wine/dlls/version/info.c
===================================================================
RCS file: /home/wine/wine/dlls/version/info.c,v
retrieving revision 1.34
diff -u -r1.34 info.c
--- wine/dlls/version/info.c	2 Apr 2002 02:45:09 -0000	1.34
+++ wine/dlls/version/info.c	28 May 2002 15:21:24 -0000
@@ -443,7 +443,7 @@
     if(len == 0xFFFFFFFF) return 0;
     if(len) return len;
     /* Temporary workaround a broken behaviour of the 16-bit loader */
-    len = 0; /* VERSION_GetFileVersionInfo_16(filename, handle, 0, NULL); */
+    len = VERSION_GetFileVersionInfo_16(filename, handle, 0, NULL);
     /* 0xFFFFFFFF means: file exists, but VERSION_INFO not found */
     if(len == 0xFFFFFFFF) return 0;
     if(len) return len;
@@ -513,7 +513,7 @@
     if(len)
 	goto DO_CONVERT;
     /* Temporary workaround a broken behaviour of the 16-bit loader */
-    len = 0; /* VERSION_GetFileVersionInfo_16(filename, &handle, datasize, data); */
+    len = VERSION_GetFileVersionInfo_16(filename, &handle, datasize, data);
     /* 0xFFFFFFFF means: file exists, but VERSION_INFO not found */
     if(len == 0xFFFFFFFF) return FALSE;
     if(len)
Index: wine/documentation/samples/config
===================================================================
RCS file: /home/wine/wine/documentation/samples/config,v
retrieving revision 1.22
diff -u -r1.22 config
--- wine/documentation/samples/config	23 May 2002 19:35:18 -0000	1.22
+++ wine/documentation/samples/config	28 May 2002 15:21:24 -0000
@@ -250,6 +250,16 @@
 "WaveMapper" = "msacm.drv"
 "MidiMapper" = "midimap.drv"
 
+[dsound]
+;; HEL only: Number of waveOut fragments ahead to mix in new buffers.
+;"HELmargin" = "48"
+;; HEL only: Number of waveOut fragments ahead to queue to driver.
+;"HELqueue" = "5"
+;; Max number of fragments to prebuffer
+;"SndQueueMax" = "28"
+;; Min number of fragments to prebuffer
+;"SndQueueMin" = "12"
+
 ;; sample AppDefaults entries
 ;[AppDefaults\\iexplore.exe\\DllOverrides]
 ;"shlwapi" = "native"
@@ -267,5 +277,10 @@
 ;
 ;[AppDefaults\\sol.exe\\Version]
 ;"Windows" = "nt40"
+;
+;; Some games (Quake 2, UT) refuse to accept emulated dsound devices.
+;; You can add an AppDefault entry like this for such cases.
+;[AppDefaults\\pickygame.exe\\dsound]
+;"EmulDriver" = "N"
 
 # </wineconf>

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