Add video/x-mng typefinding for completeness

Original commit message from CVS:
Add video/x-mng typefinding for completeness

diff --git a/gst/typefind/gsttypefindfunctions.c b/gst/typefind/gsttypefindfunctions.c
index dc4f02b..138ee29 100644 (file)
--- a/gst/typefind/gsttypefindfunctions.c
+++ b/gst/typefind/gsttypefindfunctions.c
@@ -902,6 +902,21 @@ png_type_find (GstTypeFind *tf, gpointer unused)
   }
 }
 
+/*** video/x-mng *******************/
+#define MNG_CAPS gst_caps_new ("mng_type_find", "video/x-mng", NULL)
+static void
+mng_type_find (GstTypeFind *tf, gpointer unused)
+{
+  guint8 *data = gst_type_find_peek (tf, 0, 8);
+  guint8 header[4] = {0x0D, 0x0A, 0x1A, 0x0A};
+
+  if (data && (data[0] == 0x8A) && memcmp (data + 1, "MNG", 3) == 0) {
+    if (memcmp (data + 4, header, 4) == 0) {
+      gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM, MNG_CAPS);
+    }
+  }
+}
+
 /*** image/bmp *********************/
 #define BMP_CAPS gst_caps_new ("bmp_type_find", "image/bmp", NULL)
 static void
@@ -1048,6 +1063,7 @@ plugin_init (GModule *module, GstPlugin *plugin)
   static gchar * dv_exts[] = {"dv", NULL};
   static gchar * sid_exts[] = {"sid", NULL};
   static gchar * xcf_exts[] = {"xcf", NULL};
+  static gchar * mng_exts[] = {"mng", NULL};
   
   GST_DEBUG_CATEGORY_INIT (type_find_debug, "typefindfunctions", GST_DEBUG_FG_GREEN | GST_DEBUG_BG_RED, "generic type find functions");
 
@@ -1109,6 +1125,8 @@ plugin_init (GModule *module, GstPlugin *plugin)
          sid_type_find, sid_exts, SID_CAPS, NULL);
   gst_type_find_factory_register (plugin, "image/x-xcf", GST_ELEMENT_RANK_SECONDARY,
                                  xcf_type_find, xcf_exts, XCF_CAPS, NULL);
+  gst_type_find_factory_register (plugin, "video/x-mng", GST_ELEMENT_RANK_SECONDARY,
+                                 mng_type_find, mng_exts, MNG_CAPS, NULL);
   
   return TRUE;
 }