diff --git a/media/libstagefright/codecs/m4v_h263/dec/SoftMPEG4.cpp b/media/libstagefright/codecs/m4v_h263/dec/SoftMPEG4.cpp
index 1dd631a..411a251 100644
--- a/media/libstagefright/codecs/m4v_h263/dec/SoftMPEG4.cpp
+++ b/media/libstagefright/codecs/m4v_h263/dec/SoftMPEG4.cpp
@@ -255,13 +255,28 @@
             mSignalledError = true;
             return;
         }
+
+        // Need to check if header contains new info, e.g., width/height, etc.
+        VopHeaderInfo header_info;
+        uint8_t *bitstreamTmp = bitstream;
+        if (PVDecodeVopHeader(
+                    mHandle, &bitstreamTmp, &timestamp, &tmp,
+                    &header_info, &useExtTimestamp,
+                    outHeader->pBuffer) != PV_TRUE) {
+            ALOGE("failed to decode vop header.");
+
+            notify(OMX_EventError, OMX_ErrorUndefined, 0, NULL);
+            mSignalledError = true;
+            return;
+        }
+        if (handlePortSettingsChange()) {
+            return;
+        }
+
         // The PV decoder is lying to us, sometimes it'll claim to only have
         // consumed a subset of the buffer when it clearly consumed all of it.
         // ignore whatever it says...
-        if (PVDecodeVideoFrame(
-                    mHandle, &bitstream, &timestamp, &tmp,
-                    &useExtTimestamp,
-                    outHeader->pBuffer) != PV_TRUE) {
+        if (PVDecodeVopBody(mHandle, &tmp) != PV_TRUE) {
             ALOGE("failed to decode video frame.");
 
             notify(OMX_EventError, OMX_ErrorUndefined, 0, NULL);