A mem-to-mem device is a device that uses memory buffers passed by
userspace applications for both source and destination data. This is
different from existing drivers, which use memory buffers for only one
of those at once.
In terms of V4L2 such a device would be both of OUTPUT and CAPTURE type.
On Wed, 2009-12-23 at 14:17 +0100, Pawel Osciak wrote:
A mem-to-mem device is a device that uses memory buffers passed by
userspace applications for both source and destination data. This is
different from existing drivers, which use memory buffers for only one
of those at once.
In terms of
