1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2.. c:namespace:: V4L 3 4.. _v4l2-selections-common: 5 6Common selection definitions 7============================ 8 9While the :ref:`V4L2 selection API <selection-api>` and 10:ref:`V4L2 subdev selection APIs <v4l2-subdev-selections>` are very 11similar, there's one fundamental difference between the two. On 12sub-device API, the selection rectangle refers to the media bus format, 13and is bound to a sub-device's pad. On the V4L2 interface the selection 14rectangles refer to the in-memory pixel format. 15 16This section defines the common definitions of the selection interfaces 17on the two APIs. 18 19 20.. toctree:: 21 :maxdepth: 1 22 23 v4l2-selection-targets 24 v4l2-selection-flags 25