Merge "VT: Skip unknown payload type packet" am: 2ea8149a2d

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/953061

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I47c0a8b74d2be6406e5eadc19828ccd8cfab360c
diff --git a/media/libstagefright/rtsp/ARTPConnection.cpp b/media/libstagefright/rtsp/ARTPConnection.cpp
index b62a2c5..7666694 100644
--- a/media/libstagefright/rtsp/ARTPConnection.cpp
+++ b/media/libstagefright/rtsp/ARTPConnection.cpp
@@ -597,6 +597,11 @@
         return -1;
     }
 
+    if ((data[1] & 0x7f) == 20) {
+        // Unassigned payload type
+        return -1;
+    }
+
     if (data[0] & 0x20) {
         // Padding present.