Grass Valley Switcher Products - Manual (Page 138)

138 Switcher Products — Protocols Manual
Section 6 — Still Store Image File Format
Table 119 and Table 120 show file layout for 525/60 and 625/50 images.
SD Fenced Image File Size Calculations
A fenced region must start with a pixel containing co-sited color difference
samples.
Table 119. 525/60 Format
Field Line Start Address
End of Active
Video Address
End of Line
Address
Field 1
1 0x0000 0x077f 0x07ff
2 0x0800 0x0f7f 0x0fff
3 0x1000 0x177f 0x17ff
4 0x1800 0x1f7f 0x1fff
...
242 0x78800 0x78f7f 0x78fff
243 0x79000 0x7977f 0x797ff
244
(last active line
of field 1)
0x79800 0x79f7f 0x79fff
unused 0x7a000 unused 0x7ffff
Field2
1 0x80000 0x8077f 0x807ff
2 0x80800 0x80f7f 0x80fff
3 0x81000 0x8177f 0x817ff
4 0x81800 0x81f7f 0x81fff
...
242 0xf8800 0xf8f7f 0xf8fff
243
(last active line
of field 2)
0xf9000 0xf977f 0xf97ff
unused 0xf9800 unused 0xfffff
Table 120. 625/50 Format
Field Line Start Address
End of Active
Video Address
End of Line
Address
Field1
1 0x0000 0x077f 0x07ff
2 0x0800 0x0f7f 0x0fff
3 0x1000 0x177f 0x17ff
4 0x1800 0x1f7f 0x1fff
...
287 0x8f000 0x8f77f 0x8f7ff
288 0x8f800 0x8ff7f 0x8ffff
Field 2
1 0x90000 0x9077f 0x907ff
2 0x90800 0x90f7f 0x90fff
3 0x91000 0x9177f 0x917ff
4 0x91800 0x91f7f 0x91fff
...
287 0x11f000 0x11f77f 0x11f7ff
288 0x11f800 0x11ff7f 0x11ffff