Quicktime File Format (2012-08-14).pdf

Media Data Atom TypesPacketization Hint Sample Data for Data Format 'rtp 'Data tableA table that defines the data to be put in the payload portion of the RTP packet. This table defines variousplaces the data can be retrieved. Table entries are listed in Table 4-25 (page 263).Table 4-25Data table entriesData table entryData sourceDataBytes115The data source field of the entry table indicates how the other 15 bytes of the entry are to be interpreted.Values of 0 through 4 are defined. The various data table formats are defined below.Although there are various schemes, note that the entries in the various schemes are the same size, 16bytes long.Data ModesNo-Op Data ModeThe data table entry has the format for no-op mode shown in Figure 4-17 (page 263).Figure 4-17No-op data mode format0 1 2 3 4 5 6 7 8 9 0 1 2 3 4data source = 0ignoredignored5Field descriptionsData source = 0A value of 0 indicates that this data table entry is to be ignored.2012-08-14 | © 2004, 2012 Apple Inc. All Rights Reserved.263