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EOS (End Of Stream) support allows user to get all the potential decoded frames remaining in decoder pipeline after having reached the end of video bitstream. To do so, user calls VIDIOC_DECODER_CMD(V4L2_DEC_CMD_STOP) which will drain the decoder and get the drained frames that are then returned to user. User is informed of EOS completion in two ways: - dequeue of an empty frame flagged to V4L2_BUF_FLAG_LAST - reception of a V4L2_EVENT_EOS event. If, unfortunately, no buffer is available on CAPTURE queue to return the empty frame, EOS is delayed till user queue one CAPTURE buffer. Acked-by: Peter Griffin <peter.griffin@linaro.org> Signed-off-by: Hugues Fruchet <hugues.fruchet@st.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> |
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.