Sony PDW-1500 7-1-2File Operation Restrictions, Root directory, Clip Directory

7-1-2 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

File name	Content	Operations
		Read/	Overwrite/	Rename	Create	Delete
		Partial read	Partial
			overwrite
INDEX.XML	Contains information about all	Yes	No	No	No	No
	material on the disc.
DISCMETA.XML	Contains the disc ID and disc label.	Yes	Yes a)	No	No	No
Other files	Files other than the above	−	No	−	No	−

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

File name	Content	Operations
		Read/	Overwrite/	Rename	Create	Delete
		Partial read	Partial
			overwrite
C*.MXF	Clip file created by recording (MXF	Yes	No	No	Yes a)	Yes b)
	file)
	*: 0001 to 0300
C*M01.XML	Metadata file generated	Yes	Yes c)	No	No d)	No e)
	automatically when C*.MXF file is
	created.
	*: 0001 to 0300
Other files	Files other than the above	−	No	−	No	−

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.

Operations File 7 Chapter

7-1 Overview 75