Sensoray 512 QNX - Manual (Page 15)

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Notes
Returns number of frames dropped during compression.
X12_get_vqsize
int X12_get_vqsize(int CardId);
Parameters
CardId
Card identifier. Must be between 0 and number of cards minus 1.
Return values
Amount of data in video queue.
Notes
Returns amount of data in video queue.
X12_get_port
int X12_get_port(int CardId);
Parameters
CardId
Card identifier. Must be between 0 and number of cards minus 1.
Return values
I/O base port address on the bus for given board.
Notes
Returns base I/O port address set during installation process. Actual address of the board must be set
manually (see Table 1).
X12_read
int X12_read(int CardId,char *buffer,int nbytes);
Parameters
CardId
Card identifier. Must be between 0 and number of cards minus 1.
buffer
Pointer to input video buffer.
nbytes
Number of bytes to input or -1 if any errors were detected.
Return values