summaryrefslogtreecommitdiff
path: root/Documentation/userspace-api/media/v4l/vidioc-g-fbuf.rst
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/userspace-api/media/v4l/vidioc-g-fbuf.rst')
-rw-r--r--Documentation/userspace-api/media/v4l/vidioc-g-fbuf.rst18
1 files changed, 7 insertions, 11 deletions
diff --git a/Documentation/userspace-api/media/v4l/vidioc-g-fbuf.rst b/Documentation/userspace-api/media/v4l/vidioc-g-fbuf.rst
index 7e1a0b812754..dc1f16343b22 100644
--- a/Documentation/userspace-api/media/v4l/vidioc-g-fbuf.rst
+++ b/Documentation/userspace-api/media/v4l/vidioc-g-fbuf.rst
@@ -1,4 +1,5 @@
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
+.. c:namespace:: V4L
.. _VIDIOC_G_FBUF:
@@ -11,27 +12,26 @@ Name
VIDIOC_G_FBUF - VIDIOC_S_FBUF - Get or set frame buffer overlay parameters
-
Synopsis
========
-.. c:function:: int ioctl( int fd, VIDIOC_G_FBUF, struct v4l2_framebuffer *argp )
- :name: VIDIOC_G_FBUF
+.. c:macro:: VIDIOC_G_FBUF
+
+``int ioctl(int fd, VIDIOC_G_FBUF, struct v4l2_framebuffer *argp)``
-.. c:function:: int ioctl( int fd, VIDIOC_S_FBUF, const struct v4l2_framebuffer *argp )
- :name: VIDIOC_S_FBUF
+.. c:macro:: VIDIOC_S_FBUF
+``int ioctl(int fd, VIDIOC_S_FBUF, const struct v4l2_framebuffer *argp)``
Arguments
=========
``fd``
- File descriptor returned by :ref:`open() <func-open>`.
+ File descriptor returned by :c:func:`open()`.
``argp``
Pointer to struct :c:type:`v4l2_framebuffer`.
-
Description
===========
@@ -75,7 +75,6 @@ jeopardize the system security, its stability or even damage the
hardware, therefore only the superuser can set the parameters for a
destructive video overlay.
-
.. tabularcolumns:: |p{3.5cm}|p{3.5cm}|p{3.5cm}|p{7.0cm}|
.. c:type:: v4l2_framebuffer
@@ -208,7 +207,6 @@ destructive video overlay.
- ``priv``
- Reserved. Drivers and applications must set this field to zero.
-
.. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.7cm}|
.. _framebuffer-cap:
@@ -257,7 +255,6 @@ destructive video overlay.
chroma-key colors are replaced by framebuffer pixels, which is
exactly opposite of ``V4L2_FBUF_CAP_CHROMAKEY``
-
.. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.7cm}|
.. _framebuffer-flags:
@@ -332,7 +329,6 @@ destructive video overlay.
other, so same ``chromakey`` field of struct
:c:type:`v4l2_window` is being used.
-
Return Value
============