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Per the stateful codec specification, VIDIOC_G_SELECTION with a target of V4L2_SEL_TGT_COMPOSE is supposed to return the crop area of capture buffers containing the decoded frame. Until now the driver did not get that information from the firmware and just returned the dimensions of CAPTURE buffers. The firmware unfortunately does not always provide the crop information from the stream ; also make sure to detect when that happens and fallback to providing the coded size in these cases. Signed-off-by: Alexandre Courbot <acourbot@chromium.org> Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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