Sensoray 2250 Linux Ver2.0.X - Manual (Page 8)

source
0 – SVIDEO
1 – Composite video
Returns
0 on success, negative value if error
int SN_SetAudioSource(
int boardnum,
int source
);
Selects between Line and Mic inputs.
Parameters
source
0 – Line input
1 – Microphone input
2 – Microphone input with gain(boost)
Returns
0 on success, negative value if error
int SN_SetVideoSystem(
int boardnum
int videosystem
);
Sets the video system( PAL or NTSC). Will not change the video size. To change video
size to new system, please also call SN_SetBasicChipSettings after
SN_SetVideoSystem.
Parameters
boardnum
pointer to the value of current input.
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