Frame by frame (FbF) data is recorded onto the MicroSD card’s CLIPS folder as a CSV file type. Everytime the camera runs, a new CSV file is created.
The CSV file is matched to the timecode. A new line gets created at every timecode interval. A frame count number runs alongside the timecode, starting at 1 for every new file.
CSV file names are made up of 8 characters. Eg. A001C001:
In order to set the camera index
Menu > Settings> Camera index
And input the desired camera index
In order to set the camera roll
Menu > Settings> Roll
And input the desired roll number.
Clip number is a three digit incremental number.
The CSV file uses tab delimited format and is composed of:
Header name | Description |
---|---|
FIELD_DELIM |
Set on TABs . |
CREATOR |
Display the encoder model, firmware version and serial number e.g. LDT-R2 SW:2.14 S/N:38 |
CLIP |
The name of the clip. |
PROJ FPS |
The FPS set on the LDT-R2 at the time of the recoding. |
LENS |
The lens used on the recorded clip. Displaying brand, type, focal lenth / focal range |
RAW RANGE |
The row range value. LDT-R1 use 16bit values, using a range from 0 to 65535 |
Header name | Metadata type | Description |
---|---|---|
Frame count |
(D) | An incremental number, one increment per frame starting from 1 . |
Timecode |
(D) | The timecode of the LDT-R2 at that moment in time |
Focus |
(D) | In brackets (in) or (m) depending on the unit chosen during the lens table creation. Data is expressed with one digit decimal point. Infinity mark is not expressed with a default value. |
Iris |
(D) | Expressed in T-Stops using one digit decimal place. |
Focal length |
(D/S) | Focal length in 1/1000 mm. Static value if prime lens have been used, dynamic value if zoom. |
RAW focus |
(D) | Raw encoder value of focus axis. |
RAW iris |
(D) | Raw encoder value of iris axis. |
RAW zoom |
(D/S) | Raw encoder value of zoom axis. |
Data size can vary, below there is an example of data size for reference. A CSV file generated from an LDT-R2 contains ~247 bytes of headers and ~50 bytes/frame of data, for ~1447 kbps @24fps.
Here is a sample file of three frames:
Heading
FIELD_DELIM TABS
CREATOR LDT-R2 SW:2.14 S/N:38
CLIP A049C011
PROJ FPS 24
LENS Panavision Primo Zoom 17-75mm
LENS SERIAL 113P
RAW RANGE 0-65535
Column
Frame count Timecode Focus (in) Iris Focal length (mm) RAW focus RAW iris RAW zoom
Data
1 11:49:42:00 95.7 8.0 39.3 23275 35440 47368
2 11:49:42:01 95.7 8.0 39.3 23279 35440 47368
3 11:49:42:02 95.7 8.0 39.3 23282 35440 47368