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doc-rst: libv4l-introduction: improve format

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Fix some cross-references and improve the layout of this
page.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Mauro Carvalho Chehab 2016-07-04 19:03:49 -03:00
parent 0c15aefd9e
commit bb2ade02e8
1 changed files with 6 additions and 6 deletions
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12
Documentation/linux_tv/media/v4l/libv4l-introduction.rst
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@ -45,7 +45,7 @@ It currently accepts the following V4L2 driver formats:
:ref:`V4L2_PIX_FMT_SPCA508 <V4L2-PIX-FMT-SPCA508>`,
:ref:`V4L2_PIX_FMT_SPCA561 <V4L2-PIX-FMT-SPCA561>`,
:ref:`V4L2_PIX_FMT_SQ905C <V4L2-PIX-FMT-SQ905C>`,
``V4L2_PIX_FMT_SRGGB8``,
:ref:`V4L2_PIX_FMT_SRGGB8 <V4L2-PIX-FMT-SRGGB8>`,
:ref:`V4L2_PIX_FMT_UYVY <V4L2-PIX-FMT-UYVY>`,
:ref:`V4L2_PIX_FMT_YUV420 <V4L2-PIX-FMT-YUV420>`,
:ref:`V4L2_PIX_FMT_YUYV <V4L2-PIX-FMT-YUYV>`,
@ -92,16 +92,16 @@ and to enhance the image quality.
In most cases, libv4l2 just passes the calls directly through to the
v4l2 driver, intercepting the calls to
:ref:`VIDIOC_TRY_FMT <VIDIOC_G_FMT>`,
:ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>`
:ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>`
:ref:`VIDIOC_ENUM_FRAMESIZES` and
:ref:`VIDIOC_ENUM_FRAMEINTERVALS` in
:ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>`,
:ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>`,
:ref:`VIDIOC_ENUM_FRAMESIZES <VIDIOC_ENUM_FRAMESIZES>` and
:ref:`VIDIOC_ENUM_FRAMEINTERVALS <VIDIOC_ENUM_FRAMEINTERVALS>` in
order to emulate the formats
:ref:`V4L2_PIX_FMT_BGR24 <V4L2-PIX-FMT-BGR24>`,
:ref:`V4L2_PIX_FMT_RGB24 <V4L2-PIX-FMT-RGB24>`,
:ref:`V4L2_PIX_FMT_YUV420 <V4L2-PIX-FMT-YUV420>`, and
:ref:`V4L2_PIX_FMT_YVU420 <V4L2-PIX-FMT-YVU420>`, if they aren't
available in the driver. :ref:`VIDIOC_ENUM_FMT`
available in the driver. :ref:`VIDIOC_ENUM_FMT <VIDIOC_ENUM_FMT>`
keeps enumerating the hardware supported formats, plus the emulated
formats offered by libv4l at the end.