6.3.2.10. AUDIO_SET_AV_SYNC

6.3.2.10.1. Name

AUDIO_SET_AV_SYNC

注意

This ioctl is deprecated

6.3.2.10.2. Synopsis

int ioctl(int fd, AUDIO_SET_AV_SYNC, boolean state)

6.3.2.10.3. Arguments

int fd

File descriptor returned by a previous call to open().

boolean state

Tells the Digital TV subsystem if A/V synchronization shall be ON or OFF.

TRUE: AV-sync ON

FALSE: AV-sync OFF

6.3.2.10.4. Description

This ioctl call asks the Audio Device to turn ON or OFF A/V synchronization.

6.3.2.10.5. 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.