Hd image data file format – Grass Valley Switcher Products User Manual
Page 139

Switcher Products — Protocols Manual
139
HD Image Data File Format
No padding occurs at the end of the line. The only padding occurs at the
end of field 2 for a 525/60 1/4 size image. That field is padded to the same
length as field 1 (122 lines) by adding one line.
for specific fenced region sizes.
HD Image Data File Format
Fourteen 10-bit video (or key) pixels (28 values, 14 Y plus 14 half band-
width Cb and Cr) are packed into a pixel group consisting of nine 32-bit
values as shown in
.
Table 121. HD Still Store Image Data Pixel Group
shows the amount of information written to the data file per
frame.
Table 122. HD Format Data Amounts
Image
Format
Fence
Size
Pixels
per Line
Bytes
per Line
Lines per Frame
(Field 1) (Field 2)
Pixel Groups
Per Line
Total Bytes
per Frame
1080i
(Interlaced)
Full
1920
4968
540
540
138
5,365,440
1 / 4
1008
2592
270
270
72
1,399,680
1 / 9
672
1728
180
180
48
622,080
1 / 25
392
1008
108
108
28
217,728
720p
(progressive)
Full
1280
3312
720
92
2,384,640
1 / 4
672
1728
360
48
622,080
1 / 9
448
1152
240
32
276,480
1 / 25
266
684
144
19
98,496
DWORD 4
DWORD 3
DWORD 2
DWORD 0
DWORD 1
DWORD 8
287
Unused
8063_04_07_r0
Y 14
Cr 13
Y 13
280 279
270 269
260 259
256
DWORD 7
DWORD 6
DWORD 5
255
Y 13
Cb 13
Y 12
Cr 11
250 249
240 239
230 229
224
223
Cr 11
Y 11
Cb 11
Y 10
220 219
210 209
200 199
192
191
Y 10
Cr 9
Y 9
Cb 9
190 189
180 179
170 169
160
159
Y 8
Cr 7
Y 7
Cb 7
150 149
140 139
130 129 128
127
Cb 7
Y 6
Cr 5
Y 5
120 119
110 109
100 99
96
95
Y 5
Cb 5
Y 4
Cr 3
90 89
80 79
70 69
64
63
Cr 3
Y 3
Cb 3
Y 2
60 59
50 49
40 39
32
31
Y 2
Cr 1
Y 1
Cb 1
30 29
20 19
10 9
0