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diff --git a/Documentation/userspace-api/media/v4l/selections-common.rst b/Documentation/userspace-api/media/v4l/selections-common.rst new file mode 100644 index 000000000000..d5ea05869a61 --- /dev/null +++ b/Documentation/userspace-api/media/v4l/selections-common.rst @@ -0,0 +1,30 @@ +.. Permission is granted to copy, distribute and/or modify this +.. document under the terms of the GNU Free Documentation License, +.. Version 1.1 or any later version published by the Free Software +.. Foundation, with no Invariant Sections, no Front-Cover Texts +.. and no Back-Cover Texts. A copy of the license is included at +.. Documentation/userspace-api/media/fdl-appendix.rst. +.. +.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections + +.. _v4l2-selections-common: + +Common selection definitions +============================ + +While the :ref:`V4L2 selection API <selection-api>` and +:ref:`V4L2 subdev selection APIs <v4l2-subdev-selections>` are very +similar, there's one fundamental difference between the two. On +sub-device API, the selection rectangle refers to the media bus format, +and is bound to a sub-device's pad. On the V4L2 interface the selection +rectangles refer to the in-memory pixel format. + +This section defines the common definitions of the selection interfaces +on the two APIs. + + +.. toctree:: + :maxdepth: 1 + + v4l2-selection-targets + v4l2-selection-flags |