Sensoray 512 QNX - Manual (Page 12)

12
Picture size. D1 MPEG-2 (0), 1/2 D1 MPEG-2 (1), 2/3 D1 MPEG-2 (2), or CIF MPEG-1 (3).
Return values
None.
Notes
Sets picture size and compression system:
•
D1, MPEG-2: NTSC-704x480, PAL-704x576
•
1/2 D1, MPEG-2: NTSC-352x480, PAL-352x576
•
2/3 D1, MPEG-2: NTSC-480x480, PAL-480x576
•
CIF, MPEG-1: NTSC-352x240, PAL-352x288
Default is 0 (D1).
X12_set_m
void X12_set_m(int CardId,int m);
Parameters
CardId
Card identifier. Must be between 0 and number of cards minus 1.
m
Number of frames in Group of Pictures.
Return values
None.
Notes
Sets number of frames in Group of Pictures. Default is 3.
X12_set_n
void X12_set_n(int CardId,int n);
Parameters
CardId
Card identifier. Must be between 0 and number of cards minus 1.
n
Distance between I/P frames.
Return values
None.
Notes
Sets distance between I/P frames. Default is 15.