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1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
10 Name  chapter
13 VIDIOC_ENUMOUTPUT - Enumerate video outputs
42 .. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.5cm}|
46 .. flat-table:: struct v4l2_output
47     :header-rows:  0
48     :stub-columns: 0
51     * - __u32
52       - ``index``
53       - Identifies the output, set by the application.
54     * - __u8
55       - ``name``\ [32]
56       - Name of the video output, a NUL-terminated ASCII string, for
59     * - __u32
60       - ``type``
61       - Type of the output, see :ref:`output-type`.
62     * - __u32
63       - ``audioset``
64       - Drivers can enumerate up to 32 video and audio outputs. This field
77     * - __u32
78       - ``modulator``
79       - Output devices can have zero or more RF modulators. When the
84     * - :ref:`v4l2_std_id <v4l2-std-id>`
85       - ``std``
86       - Every video output supports one or more different video standards.
89     * - __u32
90       - ``capabilities``
91       - This field provides capabilities for the output. See
92 	:ref:`output-capabilities` for flags.
93     * - __u32
94       - ``reserved``\ [3]
95       - Reserved for future extensions. Drivers must set the array to
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101 .. _output-type:
103 .. flat-table:: Output Type
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105     :stub-columns: 0
108     * - ``V4L2_OUTPUT_TYPE_MODULATOR``
109       - 1
110       - This output is an analog TV modulator.
111     * - ``V4L2_OUTPUT_TYPE_ANALOG``
112       - 2
113       - Any non-modulator video output, for example Composite Video,
114 	S-Video, HDMI. The naming as ``_TYPE_ANALOG`` is historical,
116     * - ``V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY``
117       - 3
118       - The video output will be copied to a :ref:`video overlay <overlay>`.
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123 .. _output-capabilities:
125 .. flat-table:: Output capabilities
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127     :stub-columns: 0
130     * - ``V4L2_OUT_CAP_DV_TIMINGS``
131       - 0x00000002
132       - This output supports setting video timings by using
134     * - ``V4L2_OUT_CAP_STD``
135       - 0x00000004
136       - This output supports setting the TV standard by using
138     * - ``V4L2_OUT_CAP_NATIVE_SIZE``
139       - 0x00000008
140       - This output supports setting the native size using the
142 	:ref:`v4l2-selections-common`.
147 On success 0 is returned, on error -1 and the ``errno`` variable is set
149 :ref:`Generic Error Codes <gen-errors>` chapter.