winegstreamer: Use NTSTATUS value in wg_muxer_create.

dlls/winegstreamer/main.c

@@ -466,13 +466,17 @@ HRESULT wg_muxer_create(const char *format, wg_muxer_t *muxer)
 
     TRACE("format %p, muxer %p.\n", format, muxer);
 
-    if (SUCCEEDED(status = WINE_UNIX_CALL(unix_wg_muxer_create, &params)))
+    if (!(status = WINE_UNIX_CALL(unix_wg_muxer_create, &params)))
     {
         *muxer = params.muxer;
         TRACE("Created wg_muxer %#I64x.\n", params.muxer);
     }
+    else
+    {
+        WARN("Failed to create muxer, status %#lx.\n", status);
+    }
 
-    return status;
+    return HRESULT_FROM_NT(status);
 }
 
 void wg_muxer_destroy(wg_muxer_t muxer)

dlls/winegstreamer/wg_muxer.c

@@ -61,14 +61,14 @@ NTSTATUS wg_muxer_create(void *args)
 {
     struct wg_muxer_create_params *params = args;
     GstElement *first = NULL, *last = NULL;
+    NTSTATUS status = STATUS_UNSUCCESSFUL;
     GstPadTemplate *template = NULL;
     GstCaps *sink_caps = NULL;
-    NTSTATUS status = E_FAIL;
     struct wg_muxer *muxer;
 
     /* Create wg_muxer object. */
     if (!(muxer = calloc(1, sizeof(*muxer))))
-        return E_OUTOFMEMORY;
+        return STATUS_NO_MEMORY;
     if (!(muxer->container = gst_bin_new("wg_muxer")))
         goto out;
 
@@ -110,7 +110,7 @@ NTSTATUS wg_muxer_create(void *args)
     GST_INFO("Created winegstreamer muxer %p.", muxer);
     params->muxer = (wg_transform_t)(ULONG_PTR)muxer;
 
-    return S_OK;
+    return STATUS_SUCCESS;
 
 out:
     if (muxer->my_sink)