Ken Thomases : winecoreaudio: Enable DirectSound HEL mode for output.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 631f306c3eb7364fb06ddecaf3f999356db71243
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=631f306c3eb7364fb06ddecaf3...

Author: Ken Thomases 
Date:   Wed Jul 11 20:34:34 2007 -0500

winecoreaudio: Enable DirectSound HEL mode for output.

---

dlls/winecoreaudio.drv/audio.c |   31 ++++++++++++++++++++++++++++---
 1 files changed, 28 insertions(+), 3 deletions(-)

diff --git a/dlls/winecoreaudio.drv/audio.c b/dlls/winecoreaudio.drv/audio.c
index bc7482c..dbd8295 100644
--- a/dlls/winecoreaudio.drv/audio.c
+++ b/dlls/winecoreaudio.drv/audio.c
@@ -1424,6 +1424,32 @@ static DWORD wodDevInterface(UINT wDevID, PWCHAR dwParam1, DWORD dwParam2)
 }

/**************************************************************************
+ *                              widDsCreate                     [internal]
+ */
+static DWORD wodDsCreate(UINT wDevID, PIDSDRIVER* drv)
+{
+    TRACE("(%d,%p)\n",wDevID,drv);
+
+    FIXME("DirectSound not implemented\n");
+    FIXME("The (slower) DirectSound HEL mode will be used instead.\n");
+    return MMSYSERR_NOTSUPPORTED;
+}
+
+/**************************************************************************
+*                              wodDsDesc                 [internal]
+*/
+static DWORD wodDsDesc(UINT wDevID, PDSDRIVERDESC desc)
+{
+    /* The DirectSound HEL will automatically wrap a non-DirectSound-capable
+     * driver in a DirectSound adaptor, thus allowing the driver to be used by
+     * DirectSound clients.  However, it only does this if we respond
+     * successfully to the DRV_QUERYDSOUNDDESC message.  It's enough to fill in
+     * the driver and device names of the description output parameter. */
+    memcpy(desc, &(WOutDev[wDevID].cadev->ds_desc), sizeof(DSDRIVERDESC));
+    return MMSYSERR_NOERROR;
+}
+
+/**************************************************************************
 * 				wodMessage (WINECOREAUDIO.7)
 */
 DWORD WINAPI CoreAudio_wodMessage(UINT wDevID, UINT wMsg, DWORD dwUser, 
@@ -1463,9 +1489,8 @@ DWORD WINAPI CoreAudio_wodMessage(UINT wDevID, UINT wMsg, DWORD dwUser,

case DRV_QUERYDEVICEINTERFACESIZE:  return wodDevInterfaceSize (wDevID, (LPDWORD)dwParam1);
         case DRV_QUERYDEVICEINTERFACE:      return wodDevInterface (wDevID, (PWCHAR)dwParam1, dwParam2);
-        case DRV_QUERYDSOUNDIFACE:	
-        case DRV_QUERYDSOUNDDESC:	
-            return MMSYSERR_NOTSUPPORTED;
+        case DRV_QUERYDSOUNDIFACE:  return wodDsCreate  (wDevID, (PIDSDRIVER*)dwParam1);
+        case DRV_QUERYDSOUNDDESC:   return wodDsDesc    (wDevID, (PDSDRIVERDESC)dwParam1);

default:
             FIXME("unknown message %d!\n", wMsg);