Define the memory type a Stream uses and allow application to set it
through the associated StreamConfiguration.
A Stream can use either internal or external memory allocation methods,
depending on where the data produced by the stream is actually saved.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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