1 .. Permission is granted to copy, distribute and/or modify this
2 .. document under the terms of the GNU Free Documentation License,
3 .. Version 1.1 or any later version published by the Free Software
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 .. _VIDEO_STILLPICTURE:
21 .. attention:: This ioctl is deprecated.
26 .. c:function:: int ioctl(fd, VIDEO_STILLPICTURE, struct video_still_picture *sp)
27 :name: VIDEO_STILLPICTURE
42 - File descriptor returned by a previous call to open().
48 - Equals VIDEO_STILLPICTURE for this command.
52 - struct video_still_picture \*sp
54 - Pointer to a location where an I-frame and size is stored.
60 This ioctl call asks the Video Device to display a still picture
61 (I-frame). The input data shall contain an I-frame. If the pointer is
62 NULL, then the current displayed still picture is blanked.
68 On success 0 is returned, on error -1 and the ``errno`` variable is set
69 appropriately. The generic error codes are described at the
70 :ref:`Generic Error Codes <gen-errors>` chapter.