1 .. Permission is granted to copy, distribute and/or modify this
2 .. document under the terms of the GNU Free Documentation License,
3 .. Version 1.1 or any later version published by the Free Software
4 .. Foundation, with no Invariant Sections, no Front-Cover Texts
5 .. and no Back-Cover Texts. A copy of the license is included at
6 .. Documentation/userspace-api/media/fdl-appendix.rst.
8 .. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections
10 .. _DMX_SET_BUFFER_SIZE:
25 .. c:function:: int ioctl( int fd, DMX_SET_BUFFER_SIZE, unsigned long size)
26 :name: DMX_SET_BUFFER_SIZE
33 File descriptor returned by :c:func:`open() <dvb-dmx-open>`.
41 This ioctl call is used to set the size of the circular buffer used for
42 filtered data. The default size is two maximum sized sections, i.e. if
43 this function is not called a buffer size of ``2 * 4096`` bytes will be
51 On success 0 is returned.
53 On error -1 is returned, and the ``errno`` variable is set
56 The generic error codes are described at the
57 :ref:`Generic Error Codes <gen-errors>` chapter.