diff --git a/sys/dshowdecwrapper/gstdshowaudiodec.cpp b/sys/dshowdecwrapper/gstdshowaudiodec.cpp
index 0f162945dd..713962dcf1 100644
--- a/sys/dshowdecwrapper/gstdshowaudiodec.cpp
+++ b/sys/dshowdecwrapper/gstdshowaudiodec.cpp
@@ -583,7 +583,7 @@ gst_dshowaudiodec_chain (GstPad * pad, GstBuffer * buffer)
     goto beach;
   }
 
-  if (adec->last_ret < GST_FLOW_UNEXPECTED) {
+  if (GST_FLOW_IS_FATAL (adec->last_ret)) {
     GST_DEBUG_OBJECT (adec, "last decoding iteration generated a fatal error "
         "%s", gst_flow_get_name (adec->last_ret));
     goto beach;
@@ -1171,7 +1171,7 @@ dshow_adec_register (GstPlugin * plugin)
           audio_dec_codecs[i].element_name, &info, (GTypeFlags)0);
       g_type_set_qdata (type, DSHOW_CODEC_QDATA, (gpointer) (audio_dec_codecs + i));
       if (!gst_element_register (plugin, audio_dec_codecs[i].element_name,
-              GST_RANK_SECONDARY, type)) {
+              GST_RANK_MARGINAL, type)) {
         return FALSE;
       }
       GST_CAT_DEBUG (dshowaudiodec_debug, "Registered %s",
diff --git a/sys/dshowdecwrapper/gstdshowfakesrc.cpp b/sys/dshowdecwrapper/gstdshowfakesrc.cpp
index 12a3f7720b..194d5dd0e4 100644
--- a/sys/dshowdecwrapper/gstdshowfakesrc.cpp
+++ b/sys/dshowdecwrapper/gstdshowfakesrc.cpp
@@ -1,4 +1,5 @@
 /* GStreamer
+ * Copyright <2006, 2007, 2008, 2009, 2010> Fluendo <support@fluendo.com>
  * Copyright (C) 2007 Sebastien Moutte <sebastien@moutte.net>
  *
  * gstdshowfakesrc.cpp:
@@ -129,6 +130,9 @@ STDMETHODIMP FakeOutputPin::PushBuffer(byte *buffer,
     hres = Deliver(pSample);
     pSample->Release();
   }
+  else {
+    GST_WARNING ("unable to obtain a delivery buffer");
+  }
 
   return S_OK;
 }
diff --git a/sys/dshowdecwrapper/gstdshowvideodec.cpp b/sys/dshowdecwrapper/gstdshowvideodec.cpp
index 652beae00d..2b90b6e1fb 100644
--- a/sys/dshowdecwrapper/gstdshowvideodec.cpp
+++ b/sys/dshowdecwrapper/gstdshowvideodec.cpp
@@ -88,6 +88,7 @@ static gboolean gst_dshowvideodec_get_filter_output_format (GstDshowVideoDec *
 #define GUID_MEDIASUBTYPE_WMVV3 {0x33564d57, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }}
 #define GUID_MEDIASUBTYPE_WMVP  {0x50564d57, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }}
 #define GUID_MEDIASUBTYPE_WMVA  {0x41564d57, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }}
+#define GUID_MEDIASUBTYPE_WVC1  {0x31435657, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }}
 #define GUID_MEDIASUBTYPE_CVID  {0x64697663, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }}
 #define GUID_MEDIASUBTYPE_MP4S  {0x5334504d, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }}
 #define GUID_MEDIASUBTYPE_MP42  {0x3234504d, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }}
@@ -168,7 +169,7 @@ static const VideoCodecEntry video_dec_codecs[] = {
   {"dshowvdec_wmvp", "Windows Media Video 9 Image",
    GST_MAKE_FOURCC ('W', 'M', 'V', 'P'),
    GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_WMVP,
-   "video/x-wmv, wmvversion = (int) 3, " "format = (fourcc) WMVP",
+   "video/x-wmv, wmvversion = (int) 3, " "format = (fourcc) { WMVP, MSS1 }",
    GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_YUY2,
    "video/x-raw-yuv, format=(fourcc)YUY2",
    preferred_wmv_filters},
@@ -181,6 +182,14 @@ static const VideoCodecEntry video_dec_codecs[] = {
    "video/x-raw-yuv, format=(fourcc)YUY2",
    preferred_wmv_filters},
 
+   {"dshowvdec_wvc1", "Windows Media VC1 video",
+   GST_MAKE_FOURCC ('W', 'V', 'C', '1'),
+   GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_WVC1,
+   "video/x-wmv, wmvversion = (int) 3, " "format = (fourcc) WVC1",
+   GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_YUY2,
+   "video/x-raw-yuv, format=(fourcc)YUY2",
+   preferred_wmv_filters},
+
   {"dshowvdec_cinepak", "Cinepack",
    0x64697663,
    GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_CVID,
@@ -266,7 +275,7 @@ static const VideoCodecEntry video_dec_codecs[] = {
 
   {"dshowvdec_divx3", "DIVX 3.0 Video",
    GST_MAKE_FOURCC ('D', 'I', 'V', '3'),
-   GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_DIV3,
+   GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_MP43,
    "video/x-divx, divxversion=(int)3",
    GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_YUY2,
    "video/x-raw-yuv, format=(fourcc)YUY2"}
@@ -857,7 +866,7 @@ gst_dshowvideodec_chain (GstPad * pad, GstBuffer * buffer)
     goto beach;
   }
 
-  if (vdec->last_ret < GST_FLOW_UNEXPECTED) {
+  if (GST_FLOW_IS_FATAL (vdec->last_ret)) {
     GST_DEBUG_OBJECT (vdec, "last decoding iteration generated a fatal error "
         "%s", gst_flow_get_name (vdec->last_ret));
     goto beach;
@@ -988,8 +997,6 @@ gst_dshowvideodec_flush (GstDshowVideoDec * vdec)
 
   /* flush dshow decoder and reset timestamp */
   vdec->fakesrc->GetOutputPin()->Flush();
-
-  /* Reset the flow return state tracker */
   vdec->last_ret = GST_FLOW_OK;
 
   return TRUE;
@@ -1246,6 +1253,7 @@ dshow_vdec_register (GstPlugin * plugin)
   for (i = 0; i < sizeof (video_dec_codecs) / sizeof (VideoCodecEntry); i++) {
     GType type;
     CComPtr<IBaseFilter> filter;
+    guint rank = GST_RANK_MARGINAL;
 
     filter = gst_dshow_find_filter (
             video_dec_codecs[i].input_majortype,
@@ -1255,13 +1263,16 @@ dshow_vdec_register (GstPlugin * plugin)
             video_dec_codecs[i].preferred_filters);
     if (filter != NULL) {
 
-      GST_DEBUG ("Registering %s", video_dec_codecs[i].element_name);
+      if (video_dec_codecs[i].format == GST_MAKE_FOURCC ('W', 'V', 'C', '1')) {
+        /* FFMPEG WVC1 decoder sucks, get higher priority for ours */
+        rank = GST_RANK_MARGINAL + 2;
+      }
+      GST_DEBUG ("Registering %s with rank %u", video_dec_codecs[i].element_name, rank);
 
       type = g_type_register_static (GST_TYPE_ELEMENT,
           video_dec_codecs[i].element_name, &info, (GTypeFlags)0);
       g_type_set_qdata (type, DSHOW_CODEC_QDATA, (gpointer) (video_dec_codecs + i));
-      if (!gst_element_register (plugin, video_dec_codecs[i].element_name,
-              GST_RANK_PRIMARY, type)) {
+      if (!gst_element_register (plugin, video_dec_codecs[i].element_name, rank, type)) {
         return FALSE;
       }
       GST_DEBUG ("Registered %s", video_dec_codecs[i].element_name);