diff options
Diffstat (limited to 'Documentation/userspace-api/media/v4l/vidioc-enumstd.rst')
| -rw-r--r-- | Documentation/userspace-api/media/v4l/vidioc-enumstd.rst | 23 |
1 files changed, 7 insertions, 16 deletions
diff --git a/Documentation/userspace-api/media/v4l/vidioc-enumstd.rst b/Documentation/userspace-api/media/v4l/vidioc-enumstd.rst index 85bc6d0231f1..b5704e8cf909 100644 --- a/Documentation/userspace-api/media/v4l/vidioc-enumstd.rst +++ b/Documentation/userspace-api/media/v4l/vidioc-enumstd.rst @@ -1,4 +1,5 @@ .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later +.. c:namespace:: V4L .. _VIDIOC_ENUMSTD: @@ -11,27 +12,26 @@ Name VIDIOC_ENUMSTD - VIDIOC_SUBDEV_ENUMSTD - Enumerate supported video standards - Synopsis ======== -.. c:function:: int ioctl( int fd, VIDIOC_ENUMSTD, struct v4l2_standard *argp ) - :name: VIDIOC_ENUMSTD +.. c:macro:: VIDIOC_ENUMSTD + +``int ioctl(int fd, VIDIOC_ENUMSTD, struct v4l2_standard *argp)`` -.. c:function:: int ioctl( int fd, VIDIOC_SUBDEV_ENUMSTD, struct v4l2_standard *argp ) - :name: VIDIOC_SUBDEV_ENUMSTD +.. c:macro:: VIDIOC_SUBDEV_ENUMSTD +``int ioctl(int fd, VIDIOC_SUBDEV_ENUMSTD, struct v4l2_standard *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_standard`. - Description =========== @@ -45,7 +45,6 @@ zero, incrementing by one until the driver returns ``EINVAL``. Drivers may enumerate a different set of standards after switching the video input or output. [#f1]_ - .. c:type:: v4l2_standard .. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.7cm}| @@ -85,7 +84,6 @@ or output. [#f1]_ zero. - .. c:type:: v4l2_fract .. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.7cm}| @@ -102,7 +100,6 @@ or output. [#f1]_ - ``denominator`` - - .. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.7cm}| .. _v4l2-std-id: @@ -120,7 +117,6 @@ or output. [#f1]_ standards. - .. code-block:: c #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) @@ -142,7 +138,6 @@ rate, and PAL color modulation with a 4.43 MHz color subcarrier. Some PAL video recorders can play back NTSC tapes in this mode for display on a 50/60 Hz agnostic PAL TV. - .. code-block:: c #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) @@ -152,7 +147,6 @@ a 50/60 Hz agnostic PAL TV. ``V4L2_STD_NTSC_443`` is a hybrid standard with 525 lines, 60 Hz refresh rate, and NTSC color modulation with a 4.43 MHz color subcarrier. - .. code-block:: c #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) @@ -175,7 +169,6 @@ terrestrial digital TV standards. Presently the V4L2 API does not support digital TV. See also the Linux DVB API at `https://linuxtv.org <https://linuxtv.org>`__. - .. code-block:: c #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B | @@ -228,7 +221,6 @@ support digital TV. See also the Linux DVB API at #define V4L2_STD_ALL (V4L2_STD_525_60 | V4L2_STD_625_50) - .. raw:: latex \begingroup @@ -303,7 +295,6 @@ support digital TV. See also the Linux DVB API at \endgroup - Return Value ============ |