- Type of the buffer, same as struct
:c:type:`v4l2_format` ``type`` or struct
:c:type:`v4l2_requestbuffers` ``type``, set
- by the application. See :ref:`v4l2-buf-type`
+ by the application. See :c:type:`v4l2_buf_type`
- .. row 3
-
- Indicates the field order of the image in the buffer, see
- :ref:`v4l2-field`. This field is not used when the buffer
+ :c:type:`v4l2_field`. This field is not used when the buffer
contains VBI data. Drivers must set it when ``type`` refers to a
capture stream, applications when it refers to an output stream.
- When ``type`` is ``V4L2_BUF_TYPE_VIDEO_CAPTURE`` and the
``V4L2_BUF_FLAG_TIMECODE`` flag is set in ``flags``, this
structure contains a frame timecode. In
- :ref:`V4L2_FIELD_ALTERNATE <v4l2-field>` mode the top and
+ :c:type:`V4L2_FIELD_ALTERNATE <v4l2_field>` mode the top and
bottom field contain the same timecode. Timecodes are intended to
help video editing and are typically recorded on video tapes, but
also embedded in compressed formats like MPEG. This field is
- :cspan:`3`
- In :ref:`V4L2_FIELD_ALTERNATE <v4l2-field>` mode the top and
+ In :c:type:`V4L2_FIELD_ALTERNATE <v4l2_field>` mode the top and
bottom field have the same sequence number. The count starts at
zero and includes dropped or repeated frames. A dropped frame was
received by an input device but could not be stored due to lack of
-
- This field must be set by applications and/or drivers in
- accordance with the selected I/O method. See :ref:`v4l2-memory`
+ accordance with the selected I/O method. See :c:type:`v4l2_memory`
- .. row 11
-.. _v4l2-buf-type:
+.. c:type:: v4l2_buf_type
enum v4l2_buf_type
==================
-.. _v4l2-memory:
+.. c:type:: v4l2_memory
enum v4l2_memory
================
should have the value ``V4L2_FIELD_ANY`` (0).
-.. _v4l2-field:
-
enum v4l2_field
===============
+.. c:type:: v4l2_field
+
.. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.7cm}|
.. flat-table::
``VIDIOC_S_FMT`` and ``VIDIOC_TRY_FMT``; ioctl. The ``VIDIOC_G_WIN``
and ``VIDIOC_S_WIN`` ioctls to prepare for a video overlay were
removed. The ``type`` field changed to type enum
- :ref:`v4l2_buf_type <v4l2-buf-type>` and the buffer type names
+ :c:type:`v4l2_buf_type` and the buffer type names
changed as follows.
- Old defines
- - enum :ref:`v4l2_buf_type <v4l2-buf-type>`
+ - enum :c:type:`v4l2_buf_type`
- .. row 2
10. In struct :c:type:`v4l2_fmtdesc` a enum
- :ref:`v4l2_buf_type <v4l2-buf-type>` field named ``type`` was
+ :c:type:`v4l2_buf_type` field named ``type`` was
added as in struct :c:type:`v4l2_format`. The
``VIDIOC_ENUM_FBUFFMT`` ioctl is no longer needed and was removed.
These calls can be replaced by
itself was removed.
The interlace flags were replaced by a enum
- :ref:`v4l2_field <v4l2-field>` value in a newly added ``field``
+ :c:type:`v4l2_field` value in a newly added ``field``
field.
- Old flag
- - enum :ref:`v4l2_field <v4l2-field>`
+ - enum :c:type:`v4l2_field`
- .. row 2
The color space flags were replaced by a enum
- :ref:`v4l2_colorspace <v4l2-colorspace>` value in a newly added
+ :c:type:`v4l2_colorspace` value in a newly added
``colorspace`` field, where one of ``V4L2_COLORSPACE_SMPTE170M``,
``V4L2_COLORSPACE_BT878``, ``V4L2_COLORSPACE_470_SYSTEM_M`` or
``V4L2_COLORSPACE_470_SYSTEM_BG`` replaces ``V4L2_FMT_CS_601YUV``.
12. In struct :c:type:`v4l2_requestbuffers` the
``type`` field was properly defined as enum
- :ref:`v4l2_buf_type <v4l2-buf-type>`. Buffer types changed as
+ :c:type:`v4l2_buf_type`. Buffer types changed as
mentioned above. A new ``memory`` field of type enum
- :ref:`v4l2_memory <v4l2-memory>` was added to distinguish between
+ :c:type:`v4l2_memory` was added to distinguish between
I/O methods using buffers allocated by the driver or the
application. See :ref:`io` for details.
13. In struct :c:type:`v4l2_buffer` the ``type`` field was
- properly defined as enum :ref:`v4l2_buf_type <v4l2-buf-type>`.
+ properly defined as enum :c:type:`v4l2_buf_type`.
Buffer types changed as mentioned above. A ``field`` field of type
- enum :ref:`v4l2_field <v4l2-field>` was added to indicate if a
+ enum :c:type:`v4l2_field` was added to indicate if a
buffer contains a top or bottom field. The old field flags were
removed. Since no unadjusted system time clock was added to the
kernel as planned, the ``timestamp`` field changed back from type
nanoseconds, to struct :c:type:`timeval`. With the addition
of a second memory mapping method the ``offset`` field moved into
union ``m``, and a new ``memory`` field of type enum
- :ref:`v4l2_memory <v4l2-memory>` was added to distinguish between
+ :c:type:`v4l2_memory` was added to distinguish between
I/O methods. See :ref:`io` for details.
The ``V4L2_BUF_REQ_CONTIG`` flag was used by the V4L compatibility
16. In struct :c:type:`v4l2_window` the ``x``, ``y``,
``width`` and ``height`` field moved into a ``w`` substructure as
- above. A ``field`` field of type %v4l2-field; was added to
+ above. A ``field`` field of type :c:type:`v4l2_field` was added to
distinguish between field and frame (interlaced) overlay.
17. The digital zoom interface, including struct
====================
1. Two new field orders ``V4L2_FIELD_INTERLACED_TB`` and
- ``V4L2_FIELD_INTERLACED_BT`` were added. See :ref:`v4l2-field` for
+ ``V4L2_FIELD_INTERLACED_BT`` were added. See :c:type:`v4l2_field` for
details.
2. Three new clipping/blending methods with a global or straight or
==================
1. Rewrote Colorspace chapter, added new enum
- :ref:`v4l2_ycbcr_encoding <v4l2-ycbcr-encoding>` and enum
- :ref:`v4l2_quantization <v4l2-quantization>` fields to struct
+ :c:type:`v4l2_ycbcr_encoding` and enum
+ :c:type:`v4l2_quantization` fields to struct
:c:type:`v4l2_pix_format`, struct
:c:type:`v4l2_pix_format_mplane` and
struct :c:type:`v4l2_mbus_framefmt`.
- .. row 5
- - enum :ref:`v4l2_field <v4l2-field>`
+ - enum :c:type::`v4l2_field`
- ``field``
- .. row 9
- - enum :ref:`v4l2_colorspace <v4l2-colorspace>`
+ - enum :c:type:`v4l2_colorspace`
- ``colorspace``
- .. row 12
- - enum :ref:`v4l2_ycbcr_encoding <v4l2-ycbcr-encoding>`
+ - enum :c:type:`v4l2_ycbcr_encoding`
- ``ycbcr_enc``
- .. row 13
- - enum :ref:`v4l2_quantization <v4l2-quantization>`
+ - enum :c:type:`v4l2_quantization`
- ``quantization``
- .. row 14
- - enum :ref:`v4l2_xfer_func <v4l2-xfer-func>`
+ - enum :c:type:`v4l2_xfer_func`
- ``xfer_func``
- .. row 4
- - enum :ref:`v4l2_field <v4l2-field>`
+ - enum :c:type:`v4l2_field`
- ``field``
- .. row 5
- - enum :ref:`v4l2_colorspace <v4l2-colorspace>`
+ - enum :c:type:`v4l2_colorspace`
- ``colorspace``
- .. row 9
- - enum :ref:`v4l2_ycbcr_encoding <v4l2-ycbcr-encoding>`
+ - enum :c:type:`v4l2_ycbcr_encoding`
- ``ycbcr_enc``
- .. row 10
- - enum :ref:`v4l2_quantization <v4l2-quantization>`
+ - enum :c:type:`v4l2_quantization`
- ``quantization``
- .. row 11
- - enum :ref:`v4l2_xfer_func <v4l2-xfer-func>`
+ - enum :c:type:`v4l2_xfer_func`
- ``xfer_func``
****************************
In V4L2 colorspaces are defined by four values. The first is the
-colorspace identifier (enum :ref:`v4l2_colorspace <v4l2-colorspace>`)
+colorspace identifier (enum :c:type:`v4l2_colorspace`)
which defines the chromaticities, the default transfer function, the
default Y'CbCr encoding and the default quantization method. The second
is the transfer function identifier (enum
-:ref:`v4l2_xfer_func <v4l2-xfer-func>`) to specify non-standard
+:c:type:`v4l2_xfer_func`) to specify non-standard
transfer functions. The third is the Y'CbCr encoding identifier (enum
-:ref:`v4l2_ycbcr_encoding <v4l2-ycbcr-encoding>`) to specify
+:c:type:`v4l2_ycbcr_encoding`) to specify
non-standard Y'CbCr encodings and the fourth is the quantization
-identifier (enum :ref:`v4l2_quantization <v4l2-quantization>`) to
+identifier (enum :c:type:`v4l2_quantization`) to
specify non-standard quantization methods. Most of the time only the
colorspace field of struct :c:type:`v4l2_pix_format`
or struct :c:type:`v4l2_pix_format_mplane`
.. tabularcolumns:: |p{6.0cm}|p{11.5cm}|
-.. _v4l2-colorspace:
+.. c:type:: v4l2_colorspace
.. flat-table:: V4L2 Colorspaces
:header-rows: 1
-.. _v4l2-xfer-func:
+.. c:type:: v4l2_xfer_func
.. flat-table:: V4L2 Transfer Function
:header-rows: 1
-.. _v4l2-ycbcr-encoding:
+.. c:type:: v4l2_ycbcr_encoding
.. tabularcolumns:: |p{6.5cm}|p{11.0cm}|
-.. _v4l2-quantization:
+.. c:type:: v4l2_quantization
.. tabularcolumns:: |p{6.5cm}|p{11.0cm}|
corresponding buffer type to its ioctl calls. Multi-planar versions of
buffer types are suffixed with an ``_MPLANE`` string. For a list of
available multi-planar buffer types see enum
-:ref:`v4l2_buf_type <v4l2-buf-type>`.
+:c:type:`v4l2_buf_type`.
Multi-planar formats
- ``field``
- - Field order, from enum :ref:`v4l2_field <v4l2-field>`. See
+ - Field order, from enum :c:type:`v4l2_field`. See
:ref:`field-order` for details.
- .. row 5
- ``colorspace``
- Image colorspace, from enum
- :ref:`v4l2_colorspace <v4l2-colorspace>`. See
+ :c:type:`v4l2_colorspace`. See
:ref:`colorspaces` for details.
- .. row 6
- - enum :ref:`v4l2_ycbcr_encoding <v4l2-ycbcr-encoding>`
+ - enum :c:type:`v4l2_ycbcr_encoding`
- ``ycbcr_enc``
- .. row 7
- - enum :ref:`v4l2_quantization <v4l2-quantization>`
+ - enum :c:type:`v4l2_quantization`
- ``quantization``
- .. row 8
- - enum :ref:`v4l2_xfer_func <v4l2-xfer-func>`
+ - enum :c:type:`v4l2_xfer_func`
- ``xfer_func``
:ref:`VIDIOC_S_TUNER <VIDIOC_G_TUNER>` does not switch the
current tuner, when there is more than one at all. The tuner is solely
determined by the current video input. Drivers must support both ioctls
- and set the ``V4L2_CAP_TUNER`` flag in the struct :ref:`v4l2_capability
- <v4l2-capability>` returned by the :ref:`VIDIOC_QUERYCAP` ioctl when the
+ and set the ``V4L2_CAP_TUNER`` flag in the struct :c:type:`v4l2_capability`
+ returned by the :ref:`VIDIOC_QUERYCAP` ioctl when the
device has one or more tuners.
:revision: 3.19 / 2014-12-05 (*hv*)
Rewrote Colorspace chapter, added new enum
-:ref:`v4l2_ycbcr_encoding <v4l2-ycbcr-encoding>` and enum
-:ref:`v4l2_quantization <v4l2-quantization>` fields to struct
+:c:type:`v4l2_ycbcr_encoding` and enum
+:c:type:`v4l2_quantization` fields to struct
:c:type:`v4l2_pix_format`, struct
:c:type:`v4l2_pix_format_mplane` and struct
:c:type:`v4l2_mbus_framefmt`.
- Applications set this field to ``V4L2_MEMORY_MMAP``,
``V4L2_MEMORY_DMABUF`` or ``V4L2_MEMORY_USERPTR``. See
- :ref:`v4l2-memory`
+ :c:type:`v4l2_memory`
- .. row 4
- Type of the data stream, set by the application. Only these types
are valid here: ``V4L2_BUF_TYPE_VIDEO_CAPTURE``,
``V4L2_BUF_TYPE_VIDEO_OUTPUT`` and
- ``V4L2_BUF_TYPE_VIDEO_OVERLAY``. See :ref:`v4l2-buf-type`.
+ ``V4L2_BUF_TYPE_VIDEO_OVERLAY``. See :c:type:`v4l2_buf_type`.
- .. row 2
- ``match``
- - How to match the chip, see :ref:`v4l2-dbg-match`.
+ - How to match the chip, see :c:type:`v4l2_dbg_match`.
- .. row 2
- ``field``
- - The upcoming field. See enum :ref:`v4l2_field <v4l2-field>`.
+ - The upcoming field. See enum :c:type:`v4l2_field`.
``V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE``,
``V4L2_BUF_TYPE_VIDEO_OUTPUT``,
``V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE`` and
- ``V4L2_BUF_TYPE_VIDEO_OVERLAY``. See :ref:`v4l2-buf-type`.
+ ``V4L2_BUF_TYPE_VIDEO_OVERLAY``. See :c:type:`v4l2_buf_type`.
- .. row 3
=====
-.. _v4l2-frmivaltypes:
+.. c:type:: v4l2_frmivaltypes
.. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.7cm}|
=====
-.. _v4l2-frmsizetypes:
+.. c:type:: v4l2_frmsizetypes
.. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.7cm}|
set to ``V4L2_TUNER_RADIO`` for ``/dev/radioX`` device nodes, and
to ``V4L2_TUNER_ANALOG_TV`` for all others. Set this field to
``V4L2_TUNER_RADIO`` for modulators (currently only radio
- modulators are supported). See :ref:`v4l2-tuner-type`
+ modulators are supported). See :c:type:`v4l2_tuner_type`
- .. row 3
- Type of the buffer, same as struct
:c:type:`v4l2_format` ``type`` or struct
:c:type:`v4l2_requestbuffers` ``type``, set
- by the application. See :ref:`v4l2-buf-type`
+ by the application. See :c:type:`v4l2_buf_type`
- .. row 2
- Type of the data stream, set by the application. Only these types
are valid here: ``V4L2_BUF_TYPE_VIDEO_CAPTURE``,
``V4L2_BUF_TYPE_VIDEO_OUTPUT`` and
- ``V4L2_BUF_TYPE_VIDEO_OVERLAY``. See :ref:`v4l2-buf-type`.
+ ``V4L2_BUF_TYPE_VIDEO_OVERLAY``. See :c:type:`v4l2_buf_type`.
- .. row 2
EDID is no longer available.
-.. _v4l2-edid:
+.. c:type:: v4l2_edid
.. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.7cm}|
- .. row 12
-
- - enum :ref:`v4l2_field <v4l2-field>`
+ - enum :c:type:`v4l2_field`
- ``field``
- .. row 16
-
- - enum :ref:`v4l2_colorspace <v4l2-colorspace>`
+ - enum :c:type:`v4l2_colorspace`
- ``colorspace``
- ``type``
-
- - Type of the data stream, see :ref:`v4l2-buf-type`.
+ - Type of the data stream, see :c:type:`v4l2_buf_type`.
- .. row 2
set to ``V4L2_TUNER_RADIO`` for ``/dev/radioX`` device nodes, and
to ``V4L2_TUNER_ANALOG_TV`` for all others. Set this field to
``V4L2_TUNER_RADIO`` for modulators (currently only radio
- modulators are supported). See :ref:`v4l2-tuner-type`
+ modulators are supported). See :c:type:`v4l2_tuner_type`
- .. row 3
- ``type``
- - :cspan:`2` Type of the modulator, see :ref:`v4l2-tuner-type`.
+ - :cspan:`2` Type of the modulator, see :c:type:`v4l2_tuner_type`.
- .. row 8
-
- The buffer (stream) type, same as struct
:c:type:`v4l2_format` ``type``, set by the
- application. See :ref:`v4l2-buf-type`
+ application. See :c:type:`v4l2_buf_type`
- .. row 2
- ``type``
- Type of the buffer (from enum
- :ref:`v4l2_buf_type <v4l2-buf-type>`).
+ :c:type:`v4l2_buf_type`).
- .. row 2
- ``type``
- - Type of the data stream, see :ref:`v4l2-buf-type`. Should be
+ - Type of the data stream, see :c:type:`v4l2_buf_type`. Should be
``V4L2_BUF_TYPE_SLICED_VBI_CAPTURE`` or
``V4L2_BUF_TYPE_SLICED_VBI_OUTPUT``.
- ``type``
- - :cspan:`1` Type of the tuner, see :ref:`v4l2-tuner-type`.
+ - :cspan:`1` Type of the tuner, see :c:type:`v4l2_tuner_type`.
- .. row 4
.. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.7cm}|
-.. _v4l2-tuner-type:
+.. c:type:: v4l2_tuner_type
.. flat-table:: enum v4l2_tuner_type
:header-rows: 0
.. [#f1]
The struct :c:type:`v4l2_framebuffer` lacks an
- enum :ref:`v4l2_buf_type <v4l2-buf-type>` field, therefore the
+ enum :c:type:`v4l2_buf_type` field, therefore the
type of overlay is implied by the driver capabilities.
- ``type``
- - Type of control, see :ref:`v4l2-ctrl-type`.
+ - Type of control, see :c:type:`v4l2_ctrl_type`.
- .. row 3
- ``type``
- - Type of control, see :ref:`v4l2-ctrl-type`.
+ - Type of control, see :c:type:`v4l2_ctrl_type`.
- .. row 3
- Type of the stream or buffers, this is the same as the struct
:c:type:`v4l2_format` ``type`` field. See
- :ref:`v4l2-buf-type` for valid values.
+ :c:type:`v4l2_buf_type` for valid values.
- .. row 3
- Applications set this field to ``V4L2_MEMORY_MMAP``,
``V4L2_MEMORY_DMABUF`` or ``V4L2_MEMORY_USERPTR``. See
- :ref:`v4l2-memory`.
+ :c:type:`v4l2_memory`.
- .. row 4
- The tuner type. This is the same value as in the struct
:c:type:`v4l2_tuner` ``type`` field. See
- :ref:`v4l2-tuner-type`
+ :c:type:`v4l2_tuner_type`
- .. row 3
To enumerate frame intervals applications initialize the ``index``,
``pad``, ``which``, ``code``, ``width`` and ``height`` fields of struct
-:ref:`v4l2_subdev_frame_interval_enum <v4l2-subdev-frame-interval-enum>`
+:c:type:`v4l2_subdev_frame_interval_enum`
and call the :ref:`VIDIOC_SUBDEV_ENUM_FRAME_INTERVAL` ioctl with a pointer
to this structure. Drivers fill the rest of the structure or return an
EINVAL error code if one of the input fields is invalid. All frame
implemented it on a single pad only. Its behaviour when supported on
multiple pads of the same sub-device is not defined.
-
-.. _v4l2-subdev-frame-interval-enum:
+.. c:type:: v4l2_subdev_frame_interval_enum
.. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.7cm}|
EINVAL
The struct
- :ref:`v4l2_subdev_frame_interval_enum <v4l2-subdev-frame-interval-enum>`
+ :c:type:`v4l2_subdev_frame_interval_enum`
``pad`` references a non-existing pad, one of the ``code``,
``width`` or ``height`` fields are invalid for the given pad or the
``index`` field is out of bounds.
To enumerate frame sizes applications initialize the ``pad``, ``which``
, ``code`` and ``index`` fields of the struct
-:ref:`v4l2_subdev_mbus_code_enum <v4l2-subdev-mbus-code-enum>` and
+:c:type:`v4l2_subdev_mbus_code_enum` and
call the :ref:`VIDIOC_SUBDEV_ENUM_FRAME_SIZE` ioctl with a pointer to the
structure. Drivers fill the minimum and maximum frame sizes or return an
EINVAL error code if one of the input parameters is invalid.
information about try formats.
-.. _v4l2-subdev-frame-size-enum:
+.. c:type:: v4l2_subdev_frame_size_enum
.. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.7cm}|
EINVAL
The struct
- :ref:`v4l2_subdev_frame_size_enum <v4l2-subdev-frame-size-enum>`
+ :c:type:`v4l2_subdev_frame_size_enum`
``pad`` references a non-existing pad, the ``code`` is invalid for
the given pad or the ``index`` field is out of bounds.
To enumerate media bus formats available at a given sub-device pad
applications initialize the ``pad``, ``which`` and ``index`` fields of
struct
-:ref:`v4l2_subdev_mbus_code_enum <v4l2-subdev-mbus-code-enum>` and
+:c:type:`v4l2_subdev_mbus_code_enum` and
call the :ref:`VIDIOC_SUBDEV_ENUM_MBUS_CODE` ioctl with a pointer to this
structure. Drivers fill the rest of the structure or return an ``EINVAL``
error code if either the ``pad`` or ``index`` are invalid. All media bus
information about the try formats.
-.. _v4l2-subdev-mbus-code-enum:
+.. c:type:: v4l2_subdev_mbus_code_enum
.. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.7cm}|
EINVAL
The struct
- :ref:`v4l2_subdev_mbus_code_enum <v4l2-subdev-mbus-code-enum>`
+ :c:type:`v4l2_subdev_mbus_code_enum`
``pad`` references a non-existing pad, or the ``index`` field is out
of bounds.
:ref:`the selection API <VIDIOC_SUBDEV_G_SELECTION>`.
To retrieve the current crop rectangle applications set the ``pad``
-field of a struct :ref:`v4l2_subdev_crop <v4l2-subdev-crop>` to the
+field of a struct :c:type:`v4l2_subdev_crop` to the
desired pad number as reported by the media API and the ``which`` field
to ``V4L2_SUBDEV_FORMAT_ACTIVE``. They then call the
``VIDIOC_SUBDEV_G_CROP`` ioctl with a pointer to this structure. The
call the ``VIDIOC_SUBDEV_S_CROP`` ioctl with a pointer to this
structure. The driver verifies the requested crop rectangle, adjusts it
based on the hardware capabilities and configures the device. Upon
-return the struct :ref:`v4l2_subdev_crop <v4l2-subdev-crop>`
+return the struct :c:type:`v4l2_subdev_crop`
contains the current format as would be returned by a
``VIDIOC_SUBDEV_G_CROP`` call.
modified format should be as close as possible to the original request.
-.. _v4l2-subdev-crop:
+.. c:type:: v4l2_subdev_crop
.. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.7cm}|
``VIDIOC_SUBDEV_S_CROP``
EINVAL
- The struct :ref:`v4l2_subdev_crop <v4l2-subdev-crop>` ``pad``
+ The struct :c:type:`v4l2_subdev_crop` ``pad``
references a non-existing pad, the ``which`` field references a
non-existing format, or cropping is not supported on the given
subdev pad.
- ``format``
- - Definition of an image format, see :ref:`v4l2-mbus-framefmt` for
+ - Definition of an image format, see :c:type:`v4l2_mbus_framefmt` for
details.
- .. row 4
To retrieve the current frame interval applications set the ``pad``
field of a struct
-:ref:`v4l2_subdev_frame_interval <v4l2-subdev-frame-interval>` to
+:c:type:`v4l2_subdev_frame_interval` to
the desired pad number as reported by the media controller API. When
they call the ``VIDIOC_SUBDEV_G_FRAME_INTERVAL`` ioctl with a pointer to
this structure the driver fills the members of the ``interval`` field.
structure the driver verifies the requested interval, adjusts it based
on the hardware capabilities and configures the device. Upon return the
struct
-:ref:`v4l2_subdev_frame_interval <v4l2-subdev-frame-interval>`
+:c:type:`v4l2_subdev_frame_interval`
contains the current frame interval as would be returned by a
``VIDIOC_SUBDEV_G_FRAME_INTERVAL`` call.
the same sub-device is not defined.
-.. _v4l2-subdev-frame-interval:
+.. c:type:: v4l2_subdev_frame_interval
.. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.7cm}|
EINVAL
The struct
- :ref:`v4l2_subdev_frame_interval <v4l2-subdev-frame-interval>`
+ :c:type:`v4l2_subdev_frame_interval`
``pad`` references a non-existing pad, or the pad doesn't support
frame intervals.
:ref:`v4l2-selections-common`.
-.. _v4l2-subdev-selection:
+.. c:type:: v4l2_subdev_selection
.. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.7cm}|
``VIDIOC_SUBDEV_S_SELECTION``
EINVAL
- The struct :ref:`v4l2_subdev_selection <v4l2-subdev-selection>`
+ The struct :c:type:`v4l2_subdev_selection`
``pad`` references a non-existing pad, the ``which`` field
references a non-existing format, or the selection target is not
supported on the given subdev pad.
ignore symbol V4L2_COLORSPACE_BT878
# Documented enum v4l2_field
-replace symbol V4L2_FIELD_ALTERNATE v4l2-field
-replace symbol V4L2_FIELD_ANY v4l2-field
-replace symbol V4L2_FIELD_BOTTOM v4l2-field
-replace symbol V4L2_FIELD_INTERLACED v4l2-field
-replace symbol V4L2_FIELD_INTERLACED_BT v4l2-field
-replace symbol V4L2_FIELD_INTERLACED_TB v4l2-field
-replace symbol V4L2_FIELD_NONE v4l2-field
-replace symbol V4L2_FIELD_SEQ_BT v4l2-field
-replace symbol V4L2_FIELD_SEQ_TB v4l2-field
-replace symbol V4L2_FIELD_TOP v4l2-field
+replace symbol V4L2_FIELD_ALTERNATE :c:type:`v4l2_field`
+replace symbol V4L2_FIELD_ANY :c:type:`v4l2_field`
+replace symbol V4L2_FIELD_BOTTOM :c:type:`v4l2_field`
+replace symbol V4L2_FIELD_INTERLACED :c:type:`v4l2_field`
+replace symbol V4L2_FIELD_INTERLACED_BT :c:type:`v4l2_field`
+replace symbol V4L2_FIELD_INTERLACED_TB :c:type:`v4l2_field`
+replace symbol V4L2_FIELD_NONE :c:type:`v4l2_field`
+replace symbol V4L2_FIELD_SEQ_BT :c:type:`v4l2_field`
+replace symbol V4L2_FIELD_SEQ_TB :c:type:`v4l2_field`
+replace symbol V4L2_FIELD_TOP :c:type:`v4l2_field`
# Documented enum v4l2_buf_type
-replace symbol V4L2_BUF_TYPE_SDR_CAPTURE v4l2-buf-type
-replace symbol V4L2_BUF_TYPE_SDR_OUTPUT v4l2-buf-type
-replace symbol V4L2_BUF_TYPE_SLICED_VBI_CAPTURE v4l2-buf-type
-replace symbol V4L2_BUF_TYPE_SLICED_VBI_OUTPUT v4l2-buf-type
-replace symbol V4L2_BUF_TYPE_VBI_CAPTURE v4l2-buf-type
-replace symbol V4L2_BUF_TYPE_VBI_OUTPUT v4l2-buf-type
-replace symbol V4L2_BUF_TYPE_VIDEO_CAPTURE v4l2-buf-type
-replace symbol V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE v4l2-buf-type
-replace symbol V4L2_BUF_TYPE_VIDEO_OUTPUT v4l2-buf-type
-replace symbol V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE v4l2-buf-type
-replace symbol V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY v4l2-buf-type
-replace symbol V4L2_BUF_TYPE_VIDEO_OVERLAY v4l2-buf-type
+replace symbol V4L2_BUF_TYPE_SDR_CAPTURE :c:type:`v4l2_buf_type`
+replace symbol V4L2_BUF_TYPE_SDR_OUTPUT :c:type:`v4l2_buf_type`
+replace symbol V4L2_BUF_TYPE_SLICED_VBI_CAPTURE :c:type:`v4l2_buf_type`
+replace symbol V4L2_BUF_TYPE_SLICED_VBI_OUTPUT :c:type:`v4l2_buf_type`
+replace symbol V4L2_BUF_TYPE_VBI_CAPTURE :c:type:`v4l2_buf_type`
+replace symbol V4L2_BUF_TYPE_VBI_OUTPUT :c:type:`v4l2_buf_type`
+replace symbol V4L2_BUF_TYPE_VIDEO_CAPTURE :c:type:`v4l2_buf_type`
+replace symbol V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE :c:type:`v4l2_buf_type`
+replace symbol V4L2_BUF_TYPE_VIDEO_OUTPUT :c:type:`v4l2_buf_type`
+replace symbol V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE :c:type:`v4l2_buf_type`
+replace symbol V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY :c:type:`v4l2_buf_type`
+replace symbol V4L2_BUF_TYPE_VIDEO_OVERLAY :c:type:`v4l2_buf_type`
# Documented enum v4l2_tuner_type
-replace symbol V4L2_TUNER_ANALOG_TV v4l2-tuner-type
-replace symbol V4L2_TUNER_RADIO v4l2-tuner-type
-replace symbol V4L2_TUNER_RF v4l2-tuner-type
-replace symbol V4L2_TUNER_SDR v4l2-tuner-type
+replace symbol V4L2_TUNER_ANALOG_TV :c:type:`v4l2_tuner_type`
+replace symbol V4L2_TUNER_RADIO :c:type:`v4l2_tuner_type`
+replace symbol V4L2_TUNER_RF :c:type:`v4l2_tuner_type`
+replace symbol V4L2_TUNER_SDR :c:type:`v4l2_tuner_type`
# Documented enum v4l2_memory
-replace symbol V4L2_MEMORY_DMABUF v4l2-memory
-replace symbol V4L2_MEMORY_MMAP v4l2-memory
-replace symbol V4L2_MEMORY_OVERLAY v4l2-memory
-replace symbol V4L2_MEMORY_USERPTR v4l2-memory
+replace symbol V4L2_MEMORY_DMABUF :c:type:`v4l2_memory`
+replace symbol V4L2_MEMORY_MMAP :c:type:`v4l2_memory`
+replace symbol V4L2_MEMORY_OVERLAY :c:type:`v4l2_memory`
+replace symbol V4L2_MEMORY_USERPTR :c:type:`v4l2_memory`
# Documented enum v4l2_colorspace
-replace symbol V4L2_COLORSPACE_470_SYSTEM_BG v4l2-colorspace
-replace symbol V4L2_COLORSPACE_470_SYSTEM_M v4l2-colorspace
-replace symbol V4L2_COLORSPACE_ADOBERGB v4l2-colorspace
-replace symbol V4L2_COLORSPACE_BT2020 v4l2-colorspace
-replace symbol V4L2_COLORSPACE_DCI_P3 v4l2-colorspace
-replace symbol V4L2_COLORSPACE_DEFAULT v4l2-colorspace
-replace symbol V4L2_COLORSPACE_JPEG v4l2-colorspace
-replace symbol V4L2_COLORSPACE_RAW v4l2-colorspace
-replace symbol V4L2_COLORSPACE_REC709 v4l2-colorspace
-replace symbol V4L2_COLORSPACE_SMPTE170M v4l2-colorspace
-replace symbol V4L2_COLORSPACE_SMPTE240M v4l2-colorspace
-replace symbol V4L2_COLORSPACE_SRGB v4l2-colorspace
+replace symbol V4L2_COLORSPACE_470_SYSTEM_BG :c:type:`v4l2_colorspace`
+replace symbol V4L2_COLORSPACE_470_SYSTEM_M :c:type:`v4l2_colorspace`
+replace symbol V4L2_COLORSPACE_ADOBERGB :c:type:`v4l2_colorspace`
+replace symbol V4L2_COLORSPACE_BT2020 :c:type:`v4l2_colorspace`
+replace symbol V4L2_COLORSPACE_DCI_P3 :c:type:`v4l2_colorspace`
+replace symbol V4L2_COLORSPACE_DEFAULT :c:type:`v4l2_colorspace`
+replace symbol V4L2_COLORSPACE_JPEG :c:type:`v4l2_colorspace`
+replace symbol V4L2_COLORSPACE_RAW :c:type:`v4l2_colorspace`
+replace symbol V4L2_COLORSPACE_REC709 :c:type:`v4l2_colorspace`
+replace symbol V4L2_COLORSPACE_SMPTE170M :c:type:`v4l2_colorspace`
+replace symbol V4L2_COLORSPACE_SMPTE240M :c:type:`v4l2_colorspace`
+replace symbol V4L2_COLORSPACE_SRGB :c:type:`v4l2_colorspace`
# Documented enum v4l2_xfer_func
-replace symbol V4L2_XFER_FUNC_709 v4l2-xfer-func
-replace symbol V4L2_XFER_FUNC_ADOBERGB v4l2-xfer-func
-replace symbol V4L2_XFER_FUNC_DCI_P3 v4l2-xfer-func
-replace symbol V4L2_XFER_FUNC_DEFAULT v4l2-xfer-func
-replace symbol V4L2_XFER_FUNC_NONE v4l2-xfer-func
-replace symbol V4L2_XFER_FUNC_SMPTE2084 v4l2-xfer-func
-replace symbol V4L2_XFER_FUNC_SMPTE240M v4l2-xfer-func
-replace symbol V4L2_XFER_FUNC_SRGB v4l2-xfer-func
+replace symbol V4L2_XFER_FUNC_709 :c:type:`v4l2_xfer_func`
+replace symbol V4L2_XFER_FUNC_ADOBERGB :c:type:`v4l2_xfer_func`
+replace symbol V4L2_XFER_FUNC_DCI_P3 :c:type:`v4l2_xfer_func`
+replace symbol V4L2_XFER_FUNC_DEFAULT :c:type:`v4l2_xfer_func`
+replace symbol V4L2_XFER_FUNC_NONE :c:type:`v4l2_xfer_func`
+replace symbol V4L2_XFER_FUNC_SMPTE2084 :c:type:`v4l2_xfer_func`
+replace symbol V4L2_XFER_FUNC_SMPTE240M :c:type:`v4l2_xfer_func`
+replace symbol V4L2_XFER_FUNC_SRGB :c:type:`v4l2_xfer_func`
# Documented enum v4l2_ycbcr_encoding
-replace symbol V4L2_YCBCR_ENC_601 v4l2-ycbcr-encoding
-replace symbol V4L2_YCBCR_ENC_709 v4l2-ycbcr-encoding
-replace symbol V4L2_YCBCR_ENC_BT2020 v4l2-ycbcr-encoding
-replace symbol V4L2_YCBCR_ENC_BT2020_CONST_LUM v4l2-ycbcr-encoding
-replace symbol V4L2_YCBCR_ENC_DEFAULT v4l2-ycbcr-encoding
-replace symbol V4L2_YCBCR_ENC_SYCC v4l2-ycbcr-encoding
-replace symbol V4L2_YCBCR_ENC_XV601 v4l2-ycbcr-encoding
-replace symbol V4L2_YCBCR_ENC_XV709 v4l2-ycbcr-encoding
-replace symbol V4L2_YCBCR_ENC_SMPTE240M v4l2-ycbcr-encoding
+replace symbol V4L2_YCBCR_ENC_601 :c:type:`v4l2_ycbcr_encoding`
+replace symbol V4L2_YCBCR_ENC_709 :c:type:`v4l2_ycbcr_encoding`
+replace symbol V4L2_YCBCR_ENC_BT2020 :c:type:`v4l2_ycbcr_encoding`
+replace symbol V4L2_YCBCR_ENC_BT2020_CONST_LUM :c:type:`v4l2_ycbcr_encoding`
+replace symbol V4L2_YCBCR_ENC_DEFAULT :c:type:`v4l2_ycbcr_encoding`
+replace symbol V4L2_YCBCR_ENC_SYCC :c:type:`v4l2_ycbcr_encoding`
+replace symbol V4L2_YCBCR_ENC_XV601 :c:type:`v4l2_ycbcr_encoding`
+replace symbol V4L2_YCBCR_ENC_XV709 :c:type:`v4l2_ycbcr_encoding`
+replace symbol V4L2_YCBCR_ENC_SMPTE240M :c:type:`v4l2_ycbcr_encoding`
# Documented enum v4l2_quantization
-replace symbol V4L2_QUANTIZATION_DEFAULT v4l2-quantization
-replace symbol V4L2_QUANTIZATION_FULL_RANGE v4l2-quantization
-replace symbol V4L2_QUANTIZATION_LIM_RANGE v4l2-quantization
+replace symbol V4L2_QUANTIZATION_DEFAULT :c:type:`v4l2_quantization`
+replace symbol V4L2_QUANTIZATION_FULL_RANGE :c:type:`v4l2_quantization`
+replace symbol V4L2_QUANTIZATION_LIM_RANGE :c:type:`v4l2_quantization`
# Documented enum v4l2_priority
-replace symbol V4L2_PRIORITY_BACKGROUND v4l2-priority
-replace symbol V4L2_PRIORITY_DEFAULT v4l2-priority
-replace symbol V4L2_PRIORITY_INTERACTIVE v4l2-priority
-replace symbol V4L2_PRIORITY_RECORD v4l2-priority
-replace symbol V4L2_PRIORITY_UNSET v4l2-priority
+replace symbol V4L2_PRIORITY_BACKGROUND :c:type:`v4l2_priority`
+replace symbol V4L2_PRIORITY_DEFAULT :c:type:`v4l2_priority`
+replace symbol V4L2_PRIORITY_INTERACTIVE :c:type:`v4l2_priority`
+replace symbol V4L2_PRIORITY_RECORD :c:type:`v4l2_priority`
+replace symbol V4L2_PRIORITY_UNSET :c:type:`v4l2_priority`
# Documented enum v4l2_frmsizetypes
-replace symbol V4L2_FRMSIZE_TYPE_CONTINUOUS v4l2-frmsizetypes
-replace symbol V4L2_FRMSIZE_TYPE_DISCRETE v4l2-frmsizetypes
-replace symbol V4L2_FRMSIZE_TYPE_STEPWISE v4l2-frmsizetypes
+replace symbol V4L2_FRMSIZE_TYPE_CONTINUOUS :c:type:`v4l2_frmsizetypes`
+replace symbol V4L2_FRMSIZE_TYPE_DISCRETE :c:type:`v4l2_frmsizetypes`
+replace symbol V4L2_FRMSIZE_TYPE_STEPWISE :c:type:`v4l2_frmsizetypes`
# Documented enum frmivaltypes
-replace symbol V4L2_FRMIVAL_TYPE_CONTINUOUS v4l2-frmivaltypes
-replace symbol V4L2_FRMIVAL_TYPE_DISCRETE v4l2-frmivaltypes
-replace symbol V4L2_FRMIVAL_TYPE_STEPWISE v4l2-frmivaltypes
+replace symbol V4L2_FRMIVAL_TYPE_CONTINUOUS :c:type:`v4l2_frmivaltypes`
+replace symbol V4L2_FRMIVAL_TYPE_DISCRETE :c:type:`v4l2_frmivaltypes`
+replace symbol V4L2_FRMIVAL_TYPE_STEPWISE :c:type:`v4l2_frmivaltypes`
-# Documented enum v4l2-ctrl-type
+# Documented enum :c:type:`v4l2_ctrl_type`
replace symbol V4L2_CTRL_COMPOUND_TYPES vidioc_queryctrl
-replace symbol V4L2_CTRL_TYPE_BITMASK v4l2-ctrl-type
-replace symbol V4L2_CTRL_TYPE_BOOLEAN v4l2-ctrl-type
-replace symbol V4L2_CTRL_TYPE_BUTTON v4l2-ctrl-type
-replace symbol V4L2_CTRL_TYPE_CTRL_CLASS v4l2-ctrl-type
-replace symbol V4L2_CTRL_TYPE_INTEGER v4l2-ctrl-type
-replace symbol V4L2_CTRL_TYPE_INTEGER64 v4l2-ctrl-type
-replace symbol V4L2_CTRL_TYPE_INTEGER_MENU v4l2-ctrl-type
-replace symbol V4L2_CTRL_TYPE_MENU v4l2-ctrl-type
-replace symbol V4L2_CTRL_TYPE_STRING v4l2-ctrl-type
-replace symbol V4L2_CTRL_TYPE_U16 v4l2-ctrl-type
-replace symbol V4L2_CTRL_TYPE_U32 v4l2-ctrl-type
-replace symbol V4L2_CTRL_TYPE_U8 v4l2-ctrl-type
+replace symbol V4L2_CTRL_TYPE_BITMASK :c:type:`v4l2_ctrl_type`
+replace symbol V4L2_CTRL_TYPE_BOOLEAN :c:type:`v4l2_ctrl_type`
+replace symbol V4L2_CTRL_TYPE_BUTTON :c:type:`v4l2_ctrl_type`
+replace symbol V4L2_CTRL_TYPE_CTRL_CLASS :c:type:`v4l2_ctrl_type`
+replace symbol V4L2_CTRL_TYPE_INTEGER :c:type:`v4l2_ctrl_type`
+replace symbol V4L2_CTRL_TYPE_INTEGER64 :c:type:`v4l2_ctrl_type`
+replace symbol V4L2_CTRL_TYPE_INTEGER_MENU :c:type:`v4l2_ctrl_type`
+replace symbol V4L2_CTRL_TYPE_MENU :c:type:`v4l2_ctrl_type`
+replace symbol V4L2_CTRL_TYPE_STRING :c:type:`v4l2_ctrl_type`
+replace symbol V4L2_CTRL_TYPE_U16 :c:type:`v4l2_ctrl_type`
+replace symbol V4L2_CTRL_TYPE_U32 :c:type:`v4l2_ctrl_type`
+replace symbol V4L2_CTRL_TYPE_U8 :c:type:`v4l2_ctrl_type`
# V4L2 capability defines
replace define V4L2_CAP_VIDEO_CAPTURE device-capabilities
replace define V4L2_CAP_TOUCH device-capabilities
# V4L2 pix flags
-replace define V4L2_PIX_FMT_PRIV_MAGIC v4l2-pix-format
+replace define V4L2_PIX_FMT_PRIV_MAGIC :c:type:`v4l2_pix_format`
replace define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA reserved-formats
# V4L2 format flags
# Used on VIDIOC_G_PARM
replace define V4L2_MODE_HIGHQUALITY parm-flags
-replace define V4L2_CAP_TIMEPERFRAME v4l2-captureparm
+replace define V4L2_CAP_TIMEPERFRAME :c:type:`v4l2_captureparm`
# The V4L2_STD_foo are all defined at v4l2_std_id table
# V4L2 DT BT timings definitions
-replace define V4L2_DV_PROGRESSIVE v4l2-bt-timings
-replace define V4L2_DV_INTERLACED v4l2-bt-timings
+replace define V4L2_DV_PROGRESSIVE :c:type:`v4l2_bt_timings`
+replace define V4L2_DV_INTERLACED :c:type:`v4l2_bt_timings`
-replace define V4L2_DV_VSYNC_POS_POL v4l2-bt-timings
-replace define V4L2_DV_HSYNC_POS_POL v4l2-bt-timings
+replace define V4L2_DV_VSYNC_POS_POL :c:type:`v4l2_bt_timings`
+replace define V4L2_DV_HSYNC_POS_POL :c:type:`v4l2_bt_timings`
replace define V4L2_DV_BT_STD_CEA861 dv-bt-standards
replace define V4L2_DV_BT_STD_DMT dv-bt-standards
# MPEG
-replace define V4L2_ENC_IDX_FRAME_I v4l2-enc-idx
-replace define V4L2_ENC_IDX_FRAME_P v4l2-enc-idx
-replace define V4L2_ENC_IDX_FRAME_B v4l2-enc-idx
-replace define V4L2_ENC_IDX_FRAME_MASK v4l2-enc-idx
-replace define V4L2_ENC_IDX_ENTRIES v4l2-enc-idx
+replace define V4L2_ENC_IDX_FRAME_I :c:type:`v4l2_enc_idx`
+replace define V4L2_ENC_IDX_FRAME_P :c:type:`v4l2_enc_idx`
+replace define V4L2_ENC_IDX_FRAME_B :c:type:`v4l2_enc_idx`
+replace define V4L2_ENC_IDX_FRAME_MASK :c:type:`v4l2_enc_idx`
+replace define V4L2_ENC_IDX_ENTRIES :c:type:`v4l2_enc_idx`
replace define V4L2_ENC_CMD_START encoder-cmds
replace define V4L2_ENC_CMD_STOP encoder-cmds
replace define V4L2_VBI_UNSYNC vbifmt-flags
replace define V4L2_VBI_INTERLACED vbifmt-flags
-replace define V4L2_VBI_ITU_525_F1_START v4l2-vbi-format
-replace define V4L2_VBI_ITU_525_F2_START v4l2-vbi-format
-replace define V4L2_VBI_ITU_625_F1_START v4l2-vbi-format
-replace define V4L2_VBI_ITU_625_F2_START v4l2-vbi-format
+replace define V4L2_VBI_ITU_525_F1_START :c:type:`v4l2_vbi_format`
+replace define V4L2_VBI_ITU_525_F2_START :c:type:`v4l2_vbi_format`
+replace define V4L2_VBI_ITU_625_F1_START :c:type:`v4l2_vbi_format`
+replace define V4L2_VBI_ITU_625_F2_START :c:type:`v4l2_vbi_format`
replace define V4L2_SLICED_TELETEXT_B vbi-services
replace define V4L2_EVENT_SRC_CH_RESOLUTION src-changes-flags
-replace define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ v4l2-event-motion-det
+replace define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ :c:type:`v4l2_event_motion_det`
replace define V4L2_EVENT_SUB_FL_SEND_INITIAL event-flags
replace define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK event-flags
projects / openwrt / staging / blogic.git / commitdiff