6.3.2.13. AUDIO_BILINGUAL_CHANNEL_SELECT¶
6.3.2.13.2. Synopsis¶
-
int
ioctl(int fd, AUDIO_BILINGUAL_CHANNEL_SELECT, struct *audio_channel_select)¶
6.3.2.13.3. Arguments¶
| int fd | File descriptor returned by a previous call to open(). |
| audio_channel_select_t ch | Select the output format of the audio (mono left/right, stereo). |
6.3.2.13.4. Description¶
This ioctl is obsolete. Do not use in new drivers. It has been replaced
by the V4L2 V4L2_CID_MPEG_AUDIO_DEC_MULTILINGUAL_PLAYBACK control
for MPEG decoders controlled through V4L2.
This ioctl call asks the Audio Device to select the requested channel for bilingual streams if possible.
6.3.2.13.5. 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
Generic Error Codes chapter.