1 files changed, 6 insertions, 3 deletions
diff --git a/media/libstagefright/MPEG4Writer.cpp b/media/libstagefright/MPEG4Writer.cpp
index a0f17b5..b7a4b75 100644
--- a/media/libstagefright/MPEG4Writer.cpp
+++ b/media/libstagefright/MPEG4Writer.cpp
@@ -972,13 +972,16 @@ void MPEG4Writer::writeFtypBox(MetaData *param) {
     if (param && param->findInt32(kKeyFileType, &fileType) &&
         fileType != OUTPUT_FORMAT_MPEG_4) {
         writeFourcc("3gp4");
+        writeInt32(0);
+        writeFourcc("isom");
+        writeFourcc("3gp4");
     } else {
+        writeFourcc("mp42");
+        writeInt32(0);
         writeFourcc("isom");
+        writeFourcc("mp42");
     }
 
-    writeInt32(0);
-    writeFourcc("isom");
-    writeFourcc("3gp4");
     endBox();
 }