patch to make imx subtitles work with playbin

foo.diff

diff --git a/gst/playback/Makefile.am b/gst/playback/Makefile.am
index 9603dab..d339785 100644
--- a/gst/playback/Makefile.am
+++ b/gst/playback/Makefile.am
@@ -1,6 +1,6 @@
 plugin_LTLIBRARIES = libgstplayback.la

-csp_cflags = -DCOLORSPACE=\"videoconvert\"
+csp_cflags = -DCOLORSPACE=\"imxipuvideotransform\"

 libgstplayback_la_SOURCES = \
        gstdecodebin2.c \
diff --git a/gst/playback/gstplaysink.c b/gst/playback/gstplaysink.c
index ead2e68..29307d4 100644
--- a/gst/playback/gstplaysink.c
+++ b/gst/playback/gstplaysink.c
@@ -1849,12 +1849,12 @@ gen_video_chain (GstPlaySink * playsink, gboolean raw, gboolean async)
     } else {
       GST_DEBUG_OBJECT (playsink, "adding video filter");
       chain->filter_conv =
-          gst_element_factory_make ("videoconvert", "filter-convert");
+          gst_element_factory_make (COLORSPACE, "filter-convert");
       if (!chain->filter_conv) {
-        post_missing_element_message (playsink, "videoconvert");
+        post_missing_element_message (playsink, COLORSPACE);
         GST_ELEMENT_WARNING (playsink, CORE, MISSING_PLUGIN,
             (_("Missing element '%s' - check your GStreamer installation."),
-                "videoconvert"),
+                 COLORSPACE),
             ("video playback and visualizations might not work"));
       } else {
         gst_bin_add (bin, chain->filter_conv);
@@ -1924,9 +1924,7 @@ gen_video_chain (GstPlaySink * playsink, gboolean raw, gboolean async)
         && (playsink->flags & GST_PLAY_FLAG_SOFT_COLORBALANCE);

     GST_DEBUG_OBJECT (playsink, "creating videoconverter");
-    chain->conv =
-        g_object_new (GST_TYPE_PLAY_SINK_VIDEO_CONVERT, "name", "vconv",
-        "use-converters", use_converters, "use-balance", use_balance, NULL);
+    chain->conv = gst_element_factory_make(COLORSPACE, "vconv");

     GST_OBJECT_LOCK (playsink);
     if (use_balance && GST_PLAY_SINK_VIDEO_CONVERT (chain->conv)->balance) {
diff --git a/gst/playback/gstsubtitleoverlay.c b/gst/playback/gstsubtitleoverlay.c
index 6134330..3da6c0a 100644
--- a/gst/playback/gstsubtitleoverlay.c
+++ b/gst/playback/gstsubtitleoverlay.c
@@ -211,7 +211,7 @@ _is_renderer (GstElementFactory * factory)
     if (strstr (klass, "Overlay/Subtitle") != NULL ||
         strstr (klass, "Overlay/SubPicture") != NULL)
       return TRUE;
-    if (strcmp (name, "textoverlay") == 0)
+    if (strcmp (name, "imxg2dtextoverlay") == 0)
       return TRUE;
   }
   return FALSE;
@@ -329,10 +329,10 @@ _factory_filter (GstPluginFeature * feature, GstCaps ** subcaps)

   factory = GST_ELEMENT_FACTORY_CAST (feature);

-  /* only select elements with autoplugging rank or textoverlay */
+  /* only select elements with autoplugging rank or imxg2dtextoverlay */
   name = gst_plugin_feature_get_name (feature);
   rank = gst_plugin_feature_get_rank (feature);
-  if (strcmp ("textoverlay", name) != 0 && rank < GST_RANK_MARGINAL)
+  if (strcmp ("imxg2dtextoverlay", name) != 0 && rank < GST_RANK_MARGINAL)
     return FALSE;

   /* Check if it's a renderer or a parser */
@@ -793,8 +793,8 @@ _setup_renderer (GstSubtitleOverlay * self, GstElement * renderer)
   const gchar *name =
       gst_plugin_feature_get_name (GST_PLUGIN_FEATURE_CAST (factory));

-  if (strcmp (name, "textoverlay") == 0) {
-    /* Set some textoverlay specific properties */
+  if (strcmp (name, "imxg2dtextoverlay") == 0) {
+    /* Set some imxg2dtextoverlay specific properties */
     gst_util_set_object_arg (G_OBJECT (renderer), "halignment", "center");
     gst_util_set_object_arg (G_OBJECT (renderer), "valignment", "bottom");
     g_object_set (G_OBJECT (renderer), "wait-text", FALSE, NULL);