rtmp: Store all the notify messages

The onTextData is used to implement text data streams in flv.

libavformat/rtmpproto.c

@@ -2088,10 +2088,9 @@ static int handle_notify(URLContext *s, RTMPPacket *pkt) {
         if (ff_amf_read_string(&gbc, statusmsg,
                                sizeof(statusmsg), &stringlen))
             return AVERROR_INVALIDDATA;
-        if (strcmp(statusmsg, "onMetaData")) {
-            av_log(s, AV_LOG_INFO, "Expecting onMetadata but got %s\n",
-                   statusmsg);
-            return 0;
+    } else {
+        datatowrite       = pkt->data;
+        datatowritelength = pkt->size;
     }
 
     /* Provide ECMAArray to flv */
@@ -2120,7 +2119,7 @@ static int handle_notify(URLContext *s, RTMPPacket *pkt) {
     bytestream2_put_be24(&pbc, 0);
     bytestream2_put_buffer(&pbc, datatowrite, datatowritelength);
     bytestream2_put_be32(&pbc, 0);
-    }
+
     return 0;
 }