1 .. -*- coding: utf-8; mode: rst -*-
3 .. _AUDIO_CHANNEL_SELECT:
14 .. attention:: This ioctl is deprecated
19 .. c:function:: int ioctl(int fd, AUDIO_CHANNEL_SELECT, struct *audio_channel_select)
20 :name: AUDIO_CHANNEL_SELECT
35 - File descriptor returned by a previous call to open().
39 - audio_channel_select_t ch
41 - Select the output format of the audio (mono left/right, stereo).
47 This ioctl is for DVB devices only. To control a V4L2 decoder use the
48 V4L2 ``V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK`` control instead.
50 This ioctl call asks the Audio Device to select the requested channel if
57 On success 0 is returned, on error -1 and the ``errno`` variable is set
58 appropriately. The generic error codes are described at the
59 :ref:`Generic Error Codes <gen-errors>` chapter.