Commit bb2ade02 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
Browse files

doc-rst: libv4l-introduction: improve format 



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

Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent 0c15aefd

Documentation/linux_tv/media/v4l/libv4l-introduction.rst

+6 −6
Original line number Diff line number Diff line
@@ -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.