Sensoray 616 Linux - Manual (Page 8)

8
4.2. Control Codes
4.2.1. Video Functions
SX16_IOC_SET_INPUT
ioctl( handle, SX16_IOC_SET_INPUT, input );
Parameters
input
Video input. Must be between 0 and 3.
Return values
None.
Notes
Selects video input. Default value is 0.
Sensoray 616 board (Revision A) has only one input.
SX16_IOC_SET_INPUT_TYPE
ioctl( handle, SX16_IOC_SET_INPUT_TYPE, type );
Parameters
type
Video input type. Must be 0 for Composite Video or 1 for S-Video.
Return values
None.
Notes
Sets video input type. Default type is S-Video.
SX16_IOC_GET_INPUT_STATUS
ioctl( handle, SX16_IOC_GET_INPUT_STATUS, 0 );
Parameters
Return values
Returns the status (positive), or an error code (negative).
Status is a combination of bit flags:
Bit Name Function
D0 RDCAP ready for capture (all internal loops locked); active HIGH
D1 COPRO copy protected source detected according to macrovision version up to 7.01
D2 WIPA white peak loop is activated; active HIGH
D3 GLIMB gain value for active luminance channel is limited [min (bottom)]; active HIGH
D4 GLIMT gain value for active luminance channel is limited [max (top)]; active HIGH
D5 FIDT identification bit for detected field frequency; LOW = 50 Hz, HIGH = 60 Hz