6-1-2 File Operation Restrictions
This section explains which operations are possible on files stored in each directory.
When required, the following operation tables distinguish reading and writing from partial reading and writing. Read: Read data sequentially from the start to the end of
the file.
Partial read: Read only a part of the data in the file.
Write: Write data sequentially from the start to the end of the file.
Partial write: Write data to a part of the file only.
Operations File 6 Chapter
Root directory
File name | Content | Operations |
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| Read/ | Write/ | Rename | Create | Delete |
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| Partial read | Partial write |
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INDEX.XML | Contains information about all | Yes | No | No | No | No |
| material on the disc. |
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DISCMETA.XML | Contains the disc ID and disc label. | Yes | Yes a) | No | No | No |
Other files | Files other than the above | − | No | − | No | − |
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a) Only files which can be written by XDCAM
Notes
•Directories cannot be created in the root directory.
•The directories in the root directory (Clip, Edit, Sub, and General) cannot be deleted or renamed.
Clip Directory
File name | Content | Operations |
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| Read/ | Write/ | Rename | Create | Delete |
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| Partial read | Partial write |
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C*.MXF | Clip file created by recording (MXF | Yes | No | No | Yes a) | Yes b) |
| file) |
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| *: 0001 to 0300 |
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C*M01.XML | Metadata file generated | Yes | Yes c) | No | No d) | No e) |
| automatically when C*.MXF file is |
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| created. |
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| *: 0001 to 0300 |
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Other files | Files other than the above | − | No | − | No | − |
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a) Only files which are 2 seconds or longer in length, in a format matching | e) When a C*.MXF is deleted, the C*M01.XML file with the same number | |
the line mode format (525/625) and recording format (IMX50/IMX40/ | is also deleted automatically. | |
IMX30/DVCAM and number of audio channels) of the recorded sections |
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of the disc, and which can be overwritten by XDCAM. |
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Note |
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b) Only most recently recorded clip |
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c) Only files which can be written by XDCAM | Directories cannot be created in the Clip directory. | |
d)When a C*.MXF file is created, a C*M01.XML file with the same number is generated automatically.
Edit Directory
File name | Content | Operations |
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| Read/ | Write/ | Rename | Create | Delete |
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| Partial read | Partial write |
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E*E01.SMI | Clip list file | Yes | Yes a) | No | Yes b) | Yes c) |
| *: 0001 to 0099 |
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