Codec Type | Codec ID Prefix |
---|---|
Video | "V_" |
Audio | "A_" |
Subtitle | "S_" |
Button | "B_" |
Codec ID Prefix | Major Codec ID | Separator | Codec ID Suffix | Codec ID |
---|---|---|---|---|
A_ | AAC | / | MPEG2/LC/SBR | A_AAC/MPEG2/LC/SBR |
V_ | MPEG4 | / | ISO/ASP | V_MPEG4/ISO/ASP |
V_ | MPEG1 | V_MPEG1 |
BlockAddID Value | Definition |
---|---|
0 | Invalid. |
1 | Indicates that the context of the BlockAdditional data is defined by the corresponding Codec Mapping. |
2 or greater | BlockAddID values of 2 and greater are mapped to the BlockAddIDValue of the BlockAdditionMapping of the associated Track. |