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Appendix B Creating a Content Package B-7
B.2.2.3 bitrate
The bitrate property, expressed in bits/sec., specifies the bit rate at which the MPEG
data file was encoded. This number also specifies the rate at which the file is to be
played by the server to the network.
B.2.2.4 indexfile
The indexfile property is a string that specifies the pathname to the index file. The
index file is an ASCII file that specifies how the bit stream being described is related
to the bit stream at normal play speed. The index file is used to switch among bit
streams in a content package. It is described in detail in Section B.5 “Index File
Requirements” on page B-10.
B.2.2.5 indexsize
The indexsize property is an integer that specifies the number of entries in the index
file identified by the indexfile property. An index file entry consists of a time/file-
offset pair. See Section B.5 “Index File Requirements” on page B-10 for a description
of index file entries.
B.2.2.6 datafile
The datafile property specifies the attributes of the MPEG data for a given bit
stream, as described by the DataFileObjects structure.
B.2.3 DataFileObjects
The DataFileObjects structure is a sequence of data files that make up the described
bit stream’s MPEG data.
B.2.3.1 segment
The segment property is an integer that specifies the sequence number of the data
file in a multi-segment data file. See Section B.4 “TOC File for Large Files” on
page B-9 for a description of the use of this parameter.