1-2 file operation restrictions, Root directory, Clip directory – Sony PDW-V1 User Manual

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6-1 Overview

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 overwriting from partial reading and
overwriting.

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.
Overwrite: Overwrite data sequentially from the start to

the end of the file.

Partial overwrite: Overwrite data to a part of the file only.

Root directory

a) Only files which can be overwritten 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

a) Only files which are 2 seconds or longer in length, in a format matching

the line mode format (525/625) and recording format (IMX50/IMX40/
IMX30/DVCAM and number of audio channels) of the recorded sections
of the disc, and which can be overwritten by XDCAM.

b) Only most recently recorded clip
c) Only files which can be overwritten by XDCAM
d) When a C*.MXF file is created, a C*M01.XML file with the same number

is generated automatically.

e) When a C*.MXF is deleted, the C*M01.XML file with the same number

is also deleted automatically.

Note

Directories cannot be created in the Clip directory.

File name

Content

Operations

Read/
Partial read

Overwrite/
Partial
overwrite

Rename

Create

Delete

INDEX.XML

Contains information about all
material on the disc.

Yes

No

No

No

No

DISCMETA.XML

Contains the disc ID and disc label. Yes

Yes

a)

No

No

No

Other files

Files other than the above

No

No

File name

Content

Operations

Read/
Partial read

Overwrite/
Partial
overwrite

Rename

Create

Delete

C*.MXF

Clip file created by recording (MXF
file)
*: 0001 to 0300

Yes

No

No

Yes

a)

Yes

b)

C*M01.XML

Metadata file generated
automatically when C*.MXF file is
created.
*: 0001 to 0300

Yes

Yes

c)

No

No

d)

No

e)

Other files

Files other than the above

No

No

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