APEv2 specification: Difference between revisions

From Hydrogenaudio Knowledgebase
(Initial commit)
 
m (Footer actually links to header...)
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|[[APE Tag Item]] n || 10.. bytes
|[[APE Tag Item]] n || 10.. bytes
|-
|-
|[[APE Tags Footer]] || 32 bytes
|[[APE Tags Header|APE Tags Footer]] || 32 bytes
|}
|}


APE tags items should be sorted ascending by size. When streaming parts of the APE tags can be dropped to reduce danger of drop outs between titles. This is not a MUST, but STRONGLY recommended. Actually the items should be sorted by importance/byte, but this is not feasible. Only break this rule if you add less important small items and you don't want to rewrite the whole tag. An APE tag at the end of a file (strongly recommended) must have at least a footer, a APE tag in the beginning of a file (strongly unrcommneded) must have at least a header.
APE tags items should be sorted ascending by size. When streaming parts of the APE tags can be dropped to reduce danger of drop outs between titles. This is not a MUST, but STRONGLY recommended. Actually the items should be sorted by importance/byte, but this is not feasible. Only break this rule if you add less important small items and you don't want to rewrite the whole tag. An APE tag at the end of a file (strongly recommended) must have at least a footer, a APE tag in the beginning of a file (strongly unrcommneded) must have at least a header.

Revision as of 00:34, 26 April 2005

This is how information is laid out in an APEv2 tag:

APE Tags Header 32 bytes
APE Tag Item 1 10.. bytes
APE Tag Item 2 10.. bytes
... 10.. bytes
APE Tag Item n-1 10.. bytes
APE Tag Item n 10.. bytes
APE Tags Footer 32 bytes

APE tags items should be sorted ascending by size. When streaming parts of the APE tags can be dropped to reduce danger of drop outs between titles. This is not a MUST, but STRONGLY recommended. Actually the items should be sorted by importance/byte, but this is not feasible. Only break this rule if you add less important small items and you don't want to rewrite the whole tag. An APE tag at the end of a file (strongly recommended) must have at least a footer, a APE tag in the beginning of a file (strongly unrcommneded) must have at least a header.