diff --git a/media/libstagefright/rtsp/AH263Assembler.cpp b/media/libstagefright/rtsp/AH263Assembler.cpp
index 8b59998..2818041 100644
--- a/media/libstagefright/rtsp/AH263Assembler.cpp
+++ b/media/libstagefright/rtsp/AH263Assembler.cpp
@@ -110,7 +110,7 @@
         buffer->data()[0] = 0x00;
         buffer->data()[1] = 0x00;
     } else {
-        buffer->setRange(2, buffer->size() - 2);
+        buffer->setRange(buffer->offset() + 2, buffer->size() - 2);
     }
 
     mPackets.push_back(buffer);
diff --git a/media/libstagefright/rtsp/ARTPWriter.cpp b/media/libstagefright/rtsp/ARTPWriter.cpp
index cc23856..d6dd597 100644
--- a/media/libstagefright/rtsp/ARTPWriter.cpp
+++ b/media/libstagefright/rtsp/ARTPWriter.cpp
@@ -43,7 +43,7 @@
 #if 1
     mRTPAddr.sin_addr.s_addr = INADDR_ANY;
 #else
-    mRTPAddr.sin_addr.s_addr = inet_addr("172.19.19.74");
+    mRTPAddr.sin_addr.s_addr = inet_addr("172.19.18.246");
 #endif
 
     mRTPAddr.sin_port = htons(5634);