1 .. -*- coding: utf-8; mode: rst -*-
3 .. _AUDIO_BILINGUAL_CHANNEL_SELECT:
5 ==============================
6 AUDIO_BILINGUAL_CHANNEL_SELECT
7 ==============================
12 AUDIO_BILINGUAL_CHANNEL_SELECT
14 .. attention:: This ioctl is deprecated
19 .. c:function:: int ioctl(int fd, AUDIO_BILINGUAL_CHANNEL_SELECT, struct *audio_channel_select)
20 :name: AUDIO_BILINGUAL_CHANNEL_SELECT
34 - File descriptor returned by a previous call to open().
38 - audio_channel_select_t ch
40 - Select the output format of the audio (mono left/right, stereo).
46 This ioctl is obsolete. Do not use in new drivers. It has been replaced
47 by the V4L2 ``V4L2_CID_MPEG_AUDIO_DEC_MULTILINGUAL_PLAYBACK`` control
48 for MPEG decoders controlled through V4L2.
50 This ioctl call asks the Audio Device to select the requested channel
51 for bilingual streams if possible.
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.