FFD8
FFE0
FFFE
FFFE
FFC4
FFDB
FFDD
FFC0
FFDA
FFD9
Start Code
Application Segment
Comment Segment 1
Comment Segment 2 (reserved)
DHT Huffman Table
DQT Quantization Table
DRI Restart Interval
SOF Frame Information
Data Start Segment
End Code
The following information is stored in the comment segment 1. Each item has a fixed length.
Item | Size | Example | Note |
Version Information | 9 | JVC V1.0 | Indicates the version of information stored in the comment |
|
|
| segment. |
File Size | 18 | size = 123456 | Indicates JPEG size in bytes. |
Width | 13 | width = 640 | Width of JPEG. |
Height | 14 | height = 480 | Height of JPEG. |
Model Name | 18 | type = | Name of model that created the JPEG. |
(reserved) | 12 | reverse = 0 | (reserved) |
Time Stamp | 70 | Timestamp = | Indicates the time when the JPEG is created. This is made |
|
| 2007101413050912 | up of the year/month/day, hour/minute/second, millisecond |
|
| 3UTC | and timezone code. |
(reserved) | 13 | alarm = 00000000 | (reserved) |
Camera ID | 50 | camera = input01 | Stores camera information set at |
Motion Detect Setting | 11 | motion = 1 | Specified as 1 when the motion detect is ON. |
Motion Detect Result | 7 | md = 1 | Specified as 1 if motion is detected at the time when JPEG |
|
|
| is created. |
Pan position | 13 | pan = 123.45 | Indicates pan position in degrees from 0.00 to |
|
|
| 359.99. |
Tilt position | 14 | Tilt = 123.45 | Indicates tilt position in degrees from 0.00 to |
|
|
| 190.00. 0.00 corresponds to |
|
|
| corresponds to 185 degrees. 5.00 and 185.00 mean |
|
|
| horizontal. |
Zoom position | 13 | zoom = 12.34 | Indicates zoom position from 0.00 to 99.99. EZoom |
|
|
| starts from about 90.89. |
Preset Posision | 15 | position = 99 | Indicates preset position number after moving to |
Number |
|
| preset position. In other cases, position = NA. |
Stabilizer status | 15 | stabilizer = 0 | Indicates status of stabilizer. 1 means that stabilizer is |
|
|
| on. |
Fan status | 8 | fan = 0 | Indicates status of fan. 1 means error. |
Intelligent tracking | 17 | track_status = 0 | Indicates status of Intelligent tracking. 0 means |
status |
|
| completed, 1 means waiting for specifying target, 2 means |
|
|
| tracking, and 3 means losing. |
9
