1 .. -*- coding: utf-8; mode: rst -*-
3 .. _DMX_SET_BUFFER_SIZE:
18 .. c:function:: int ioctl( int fd, DMX_SET_BUFFER_SIZE, unsigned long size)
19 :name: DMX_SET_BUFFER_SIZE
26 File descriptor returned by :c:func:`open() <dvb-dmx-open>`.
34 This ioctl call is used to set the size of the circular buffer used for
35 filtered data. The default size is two maximum sized sections, i.e. if
36 this function is not called a buffer size of ``2 * 4096`` bytes will be
44 On success 0 is returned.
46 On error -1 is returned, and the ``errno`` variable is set
49 The generic error codes are described at the
50 :ref:`Generic Error Codes <gen-errors>` chapter.