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author | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-07-08 11:40:06 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-07-08 11:59:40 -0300 |
commit | 60c2820d0f6d3497975b6488e2599f8f611d8b95 (patch) | |
tree | b3b03707c6438ea9b99cc57e847ebf517f968ab1 /Documentation/media/uapi/dvb/dmx-start.rst | |
parent | a97369b5e21ea9b8b5fef7c0f4f48bbe60c07ca3 (diff) | |
download | op-kernel-dev-60c2820d0f6d3497975b6488e2599f8f611d8b95.zip op-kernel-dev-60c2820d0f6d3497975b6488e2599f8f611d8b95.tar.gz |
doc_rst: rename the media Sphinx suff to Documentation/media
The name of the subsystem is "media", and not "linux_tv". Also,
as we plan to add other stuff there in the future, let's
rename also the media uAPI book to media_uapi, to make it
clearer.
No functional changes.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'Documentation/media/uapi/dvb/dmx-start.rst')
-rw-r--r-- | Documentation/media/uapi/dvb/dmx-start.rst | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/Documentation/media/uapi/dvb/dmx-start.rst b/Documentation/media/uapi/dvb/dmx-start.rst new file mode 100644 index 0000000..9835d1e --- /dev/null +++ b/Documentation/media/uapi/dvb/dmx-start.rst @@ -0,0 +1,77 @@ +.. -*- coding: utf-8; mode: rst -*- + +.. _DMX_START: + +========= +DMX_START +========= + +Name +---- + +DMX_START + + +Synopsis +-------- + +.. cpp:function:: int ioctl( int fd, int request = DMX_START) + + +Arguments +--------- + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + + + - .. row 1 + + - int fd + + - File descriptor returned by a previous call to open(). + + - .. row 2 + + - int request + + - Equals DMX_START for this command. + + +Description +----------- + +This ioctl call is used to start the actual filtering operation defined +via the ioctl calls DMX_SET_FILTER or DMX_SET_PES_FILTER. + + +Return Value +------------ + +On success 0 is returned, on error -1 and the ``errno`` variable is set +appropriately. The generic error codes are described at the +:ref:`Generic Error Codes <gen-errors>` chapter. + + + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + + + - .. row 1 + + - ``EINVAL`` + + - Invalid argument, i.e. no filtering parameters provided via the + DMX_SET_FILTER or DMX_SET_PES_FILTER functions. + + - .. row 2 + + - ``EBUSY`` + + - This error code indicates that there are conflicting requests. + There are active filters filtering data from another input source. + Make sure that these filters are stopped before starting this + filter. |