Lines Matching +full:multi +full:- +full:address
1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
4 .. _func-mmap:
13 v4l2-mmap - Map device memory into application address space
18 .. code-block:: c
29 Map the buffer to this address in the application's address space.
32 address cannot be used. Use of this option is discouraged;
39 single-planar API, and the same value as returned by the driver in
41 the multi-planar API.
69 ``MAP_FIXED`` requests that the driver selects no other address than
70 the one specified. If the specified address cannot be used,
77 other (e. g. child-) processes.
83 copy-on-write semantics. V4L2 applications should not set the
94 the single-planar API, and the same value as returned by the driver
96 ``mem_offset`` field for the multi-planar API.
103 application address space, preferably at address ``start``. This latter
104 address is a hint only, and is usually specified as 0.
117 error ``MAP_FAILED`` (-1) is returned, and the ``errno`` variable is set