Sensoray 2250 Linux Ver2.0.X Manual do Utilizador descarregar pdf (Página 12)

0 on success

int SN_ClearCaption(

int board

);

Not supported in V2.0.0 release.

Clears all captions/overlays.

Parameters

board

board number in the system (use 0 for single board setups).

Returns

0 on success, negative value if error

int SN_GetOneFrame(

int board,

UINT8 *pBuf,

int buflen,

frame_info_t *pFI

);

Gets one video frame( JPEG if MOTIONJPEG, I,P,or B Frame if MPEG video).

Parameters

board

board number in the system (use 0 for single board setups).

pBuf

pointer to buffer to get frame

buflen

length of buffer

pFI

pointer to frameinfo structure( see s2250mid.h for definition)

Returns

0 on success, negative value if error

int SN_GetAudioData(

int board,

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Sensoray 2250 Linux Ver2.0.X Manual do Utilizador Página 12