Sensoray 512 QNX - Manual (Page 16)

16
None.
Notes
Attempts to read "nbytes" bytes of MPEG data from the SM2210 output FIFO. The actual amount read is
returned. If no data is available “0” is returned unless blocking has been enabled. In which case this
function will wait until at least one byte of data is made available. If this is the first read the encoder is
initialized and started.
X12_write
int X12_write(int CardId,char *buffer, int nbytes);
Parameters
CardId
Card identifier. Must be between 0 and number of cards minus 1.
buffer
Pointer to output video buffer.
nbytes
Number of bytes to output or -1 if any errors were detected.
Return values
None.
Notes
Attempts to write "nbytes" bytes of MPEG data to the SM2210 input FIFO. The actual amount written is
returned. If this is the first write the decoder is initialized and started.
X12_cleanup
void X12_cleanup(void);
Parameters
None.
Return values
None.
Notes
Resets all boards.