diff options
Diffstat (limited to 'Documentation/media/uapi/v4l/vidioc-enumoutput.rst')
| -rw-r--r-- | Documentation/media/uapi/v4l/vidioc-enumoutput.rst | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/Documentation/media/uapi/v4l/vidioc-enumoutput.rst b/Documentation/media/uapi/v4l/vidioc-enumoutput.rst index d7dd2742475a..93a2cf3b310c 100644 --- a/Documentation/media/uapi/v4l/vidioc-enumoutput.rst +++ b/Documentation/media/uapi/v4l/vidioc-enumoutput.rst @@ -33,11 +33,11 @@ Description To query the attributes of a video outputs applications initialize the ``index`` field of struct :c:type:`v4l2_output` and call -the :ref:`VIDIOC_ENUMOUTPUT` ioctl with a pointer to this structure. +the :ref:`VIDIOC_ENUMOUTPUT` with a pointer to this structure. Drivers fill the rest of the structure or return an ``EINVAL`` error code when the index is out of bounds. To enumerate all outputs applications shall begin at index zero, incrementing by one until the driver returns -EINVAL. +``EINVAL``. .. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.7cm}| @@ -112,11 +112,12 @@ EINVAL. - This output is an analog TV modulator. * - ``V4L2_OUTPUT_TYPE_ANALOG`` - 2 - - Analog baseband output, for example Composite / CVBS, S-Video, - RGB. + - Any non-modulator video output, for example Composite Video, + S-Video, HDMI. The naming as ``_TYPE_ANALOG`` is historical, + today we would have called it ``_TYPE_VIDEO``. * - ``V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY`` - 3 - - [?] + - The video output will be copied to a :ref:`video overlay <overlay>`. @@ -132,11 +133,11 @@ EINVAL. * - ``V4L2_OUT_CAP_DV_TIMINGS`` - 0x00000002 - This output supports setting video timings by using - VIDIOC_S_DV_TIMINGS. + ``VIDIOC_S_DV_TIMINGS``. * - ``V4L2_OUT_CAP_STD`` - 0x00000004 - This output supports setting the TV standard by using - VIDIOC_S_STD. + ``VIDIOC_S_STD``. * - ``V4L2_OUT_CAP_NATIVE_SIZE`` - 0x00000008 - This output supports setting the native size using the |