Index: src/org/red5/server/net/rtmp/codec/RTMPProtocolDecoder.java
===================================================================
--- src/org/red5/server/net/rtmp/codec/RTMPProtocolDecoder.java	(revision 4037)
+++ src/org/red5/server/net/rtmp/codec/RTMPProtocolDecoder.java	(working copy)
@@ -975,8 +975,17 @@
 				//get the params datatype
 				byte object = input.readDataType();
 				log.debug("Dataframe params type: {}", object);
-				ObjectMap<Object, Object> params = (ObjectMap<Object, Object>) input.readObject(deserializer,
-						Object.class);
+
+                Map<Object, Object> params;
+                if (object == DataTypes.CORE_MAP) {
+                    // The params are sent as a Mixed-Array.  This is needed
+                    // to support the RTMP publish provided by ffmpeg/xuggler
+                    params = (Map<Object, Object>) input.readMap(deserializer, null);
+                } else {
+                    // Read the params as a standard object
+                    params = (Map<Object, Object>) input.readObject(deserializer,
+                            Object.class);
+                }
 				log.debug("Dataframe: {} params: {}", onCueOrOnMeta, params.toString());
 
 				IoBuffer buf = IoBuffer.allocate(1024);