Lines Matching +full:frame +full:- +full:buffer

4 .. Foundation, with no Invariant Sections, no Front-Cover Texts
5 .. and no Back-Cover Texts. A copy of the license is included at
6 .. Documentation/media/uapi/fdl-appendix.rst.
8 .. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections
10 .. _func-write:
19 v4l2-write - Write to a V4L2 device
25 .. code-block:: c
31     :name: v4l2-write
37     File descriptor returned by :ref:`open() <func-open>`.
40      Buffer with data to be written
43     Number of bytes at the buffer
48 :ref:`write() <func-write>` writes up to ``count`` bytes to the device
49 referenced by the file descriptor ``fd`` from the buffer starting at
51 enables them. When ``count`` is zero, :ref:`write() <func-write>` returns 0
55 video frame, raw VBI image, sliced VPS or WSS data is displayed again.
64 nothing was written. On error, -1 is returned, and the ``errno``
66 the beginning of a new frame. Possible error codes are:
69     Non-blocking I/O has been selected using the
70     :ref:`O_NONBLOCK <func-open>` flag and no buffer space was
90     The :ref:`write() <func-write>` function is not supported by this driver,