1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2 .. c:namespace:: DTV.video
4 .. _VIDEO_STILLPICTURE:
15 .. attention:: This ioctl is deprecated.
20 .. c:macro:: VIDEO_STILLPICTURE
22 ``int ioctl(fd, VIDEO_STILLPICTURE, struct video_still_picture *sp)``
35 - File descriptor returned by a previous call to open().
41 - Equals VIDEO_STILLPICTURE for this command.
45 - struct video_still_picture \*sp
47 - Pointer to a location where an I-frame and size is stored.
52 This ioctl call asks the Video Device to display a still picture
53 (I-frame). The input data shall contain an I-frame. If the pointer is
54 NULL, then the current displayed still picture is blanked.
59 On success 0 is returned, on error -1 and the ``errno`` variable is set
60 appropriately. The generic error codes are described at the
61 :ref:`Generic Error Codes <gen-errors>` chapter.