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[media] hist-v4l2.rst: don't do refs to old structures
Several structs were renamed or removed during V4L2 development. Don't try to cross-reference the legacy ones. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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@ -30,14 +30,14 @@ aliases ``O_NONCAP`` and ``O_NOIO`` were defined. Applications can set
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this flag if they intend to access controls only, as opposed to capture
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applications which need exclusive access. The ``VIDEO_STD_XXX``
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identifiers are now ordinals instead of flags, and the
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:c:func:`video_std_construct()` helper function takes id and
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``video_std_construct()`` helper function takes id and
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transmission arguments.
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1998-09-28: Revamped video standard. Made video controls individually
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enumerable.
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1998-10-02: The ``id`` field was removed from struct
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struct :c:type:`video_standard` and the color subcarrier fields were
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struct ``video_standard`` and the color subcarrier fields were
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renamed. The :ref:`VIDIOC_QUERYSTD` ioctl was
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renamed to :ref:`VIDIOC_ENUMSTD`,
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:ref:`VIDIOC_G_INPUT <VIDIOC_G_INPUT>` to
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@ -254,7 +254,7 @@ multiple tuners into account.)
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2000-09-18: ``V4L2_BUF_TYPE_VBI`` was added. This may *break
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compatibility* as the :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>` and
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:ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctls may fail now if the struct
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struct :c:type:`v4l2_fmt` ``type`` field does not contain
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struct ``v4l2_fmt`` ``type`` field does not contain
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``V4L2_BUF_TYPE_VBI``. In the documentation of the struct
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:c:type:`v4l2_vbi_format` ``offset`` field the
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ambiguous phrase "rising edge" was changed to "leading edge".
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@ -415,7 +415,7 @@ This unnamed version was finally merged into Linux 2.5.46.
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originally needed to distguish between variations of standards, were
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removed.
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Struct struct :c:type:`v4l2_enumstd` ceased to be.
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Struct ``v4l2_enumstd`` ceased to be.
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:ref:`VIDIOC_ENUMSTD` now takes a pointer to a
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struct :c:type:`v4l2_standard` directly. The
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information which standards are supported by a particular video
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@ -671,11 +671,11 @@ This unnamed version was finally merged into Linux 2.5.46.
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distinguish between field and frame (interlaced) overlay.
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17. The digital zoom interface, including struct
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struct :c:type:`v4l2_zoomcap`, struct
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struct :c:type:`v4l2_zoom`, ``V4L2_ZOOM_NONCAP`` and
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struct ``v4l2_zoomcap``, struct
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struct ``v4l2_zoom``, ``V4L2_ZOOM_NONCAP`` and
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``V4L2_ZOOM_WHILESTREAMING`` was replaced by a new cropping and
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scaling interface. The previously unused struct
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struct :c:type:`v4l2_cropcap` and :c:type:`struct v4l2_crop`
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struct :c:type:`v4l2_cropcap` and struct :c:type:`v4l2_crop`
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where redefined for this purpose. See :ref:`crop` for details.
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18. In struct :c:type:`v4l2_vbi_format` the
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@ -694,7 +694,7 @@ This unnamed version was finally merged into Linux 2.5.46.
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Similar changes were made to struct
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:c:type:`v4l2_outputparm`.
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20. The struct :c:type:`v4l2_performance` and
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20. The struct ``v4l2_performance`` and
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``VIDIOC_G_PERF`` ioctl were dropped. Except when using the
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:ref:`read/write I/O method <rw>`, which is limited anyway, this
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information is already available to applications.
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@ -882,7 +882,7 @@ V4L2 in Linux 2.6.15
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3. The ``VIDIOC_G_COMP`` and ``VIDIOC_S_COMP`` ioctl were renamed to
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``VIDIOC_G_MPEGCOMP`` and ``VIDIOC_S_MPEGCOMP`` respectively. Their
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argument was replaced by a struct
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struct :c:type:`v4l2_mpeg_compression` pointer. (The
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``v4l2_mpeg_compression`` pointer. (The
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``VIDIOC_G_MPEGCOMP`` and ``VIDIOC_S_MPEGCOMP`` ioctls where removed
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in Linux 2.6.25.)
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@ -982,7 +982,7 @@ V4L2 in Linux 2.6.18
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flag to skip unsupported controls with
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:ref:`VIDIOC_QUERYCTRL`, new control types
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``V4L2_CTRL_TYPE_INTEGER64`` and ``V4L2_CTRL_TYPE_CTRL_CLASS``
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(:ref:`v4l2-ctrl-type`), and new control flags
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(:c:type:`v4l2_ctrl_type`), and new control flags
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``V4L2_CTRL_FLAG_READ_ONLY``, ``V4L2_CTRL_FLAG_UPDATE``,
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``V4L2_CTRL_FLAG_INACTIVE`` and ``V4L2_CTRL_FLAG_SLIDER``
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(:ref:`control-flags`). See :ref:`extended-controls` for details.
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@ -1127,8 +1127,8 @@ V4L2 in Linux 2.6.29
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1. The ``VIDIOC_G_CHIP_IDENT`` ioctl was renamed to
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``VIDIOC_G_CHIP_IDENT_OLD`` and ``VIDIOC_DBG_G_CHIP_IDENT`` was
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introduced in its place. The old struct
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struct :c:type:`v4l2_chip_ident` was renamed to
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struct :c:type:`v4l2_chip_ident_old`.
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struct ``v4l2_chip_ident`` was renamed to
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struct ``v4l2_chip_ident_old``.
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2. The pixel formats ``V4L2_PIX_FMT_VYUY``, ``V4L2_PIX_FMT_NV16`` and
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``V4L2_PIX_FMT_NV61`` were added.
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