Hi,
      I am implementing a custom MIO which makes use of Overlay
interface in ISurface.cpp. In android_surface_output.cpp file we
changed the initCheck function to call the createoverlay interface

mSurface->createOverlay(displayWidth, displayHeight,videoFormat);


but the function returns NULL. Here fuction createOverlay calls the
onTransact function in ISurface.cpp and from there it goes to the
overlay source object creation in Layerbuffer.cpp which calls the
overlay object creation.


My overlay object is created sucessfully..but the problem is after
returning to the createOverlay in Isurface.cpp the next function is
writetoParcel.Here writing is happening without any issue.But while
reading using the function readfromParcel iam getting failure message
in readobject function.


Is there any problem with custom MIO implementation?


Thanks in advance



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