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@@ -121,8 +121,12 @@ Header: version/revision: 3/0, flags: 0x00: 0/0/0/0, size = 11,899 bytes; No ext
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we can then do a FIND-CLASS on the "frame-xxx", and a MAKE-INSTANCE on the found class
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we can then do a FIND-CLASS on the "frame-xxx", and a MAKE-INSTANCE on the found class
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to read in that class (each defined class is assumed to have an INITIALIZE-INSTANCE method
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to read in that class (each defined class is assumed to have an INITIALIZE-INSTANCE method
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that reads in data to build class.
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that reads in data to build class.
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- * __iso-639-2.lisp:__ Converts ISO-639-2 3-character languages into longer, more descriptive strings.
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- * __abstract-tag.lisp:__ The abstract interface for ID3 tags for audio files. The abstract interface is simply one of the following:
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+
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+ For any class we don't want to parse (eg, haven't gotten around to it yet, etc), we create
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+ a RAW-FRAME class that can be subclassed. RAW-FRAME simply reads in the frame header, and then
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+ the frame "payload" as raw OCTETS.
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+* __iso-639-2.lisp:__ Converts ISO-639-2 3-character languages into longer, more descriptive strings.
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+* __abstract-tag.lisp:__ The abstract interface for ID3 tags for audio files. The abstract interface is simply one of the following:
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* __album:__ Returns the name of the album.
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* __album:__ Returns the name of the album.
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* __album-artist:__ Returns the name of album artist.
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* __album-artist:__ Returns the name of album artist.
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* __artist:__ Returns recording artist.
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* __artist:__ Returns recording artist.
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@@ -142,9 +146,6 @@ Header: version/revision: 3/0, flags: 0x00: 0/0/0/0, size = 11,899 bytes; No ext
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* __year:__ Returns the year when the song was recorded.
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* __year:__ Returns the year when the song was recorded.
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Each frame class assumes that the STREAM being passed has been made sync-safe.
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Each frame class assumes that the STREAM being passed has been made sync-safe.
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- For any class we don't want to parse (eg, haven't gotten around to it yet, etc), we create
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- a RAW-FRAME class that can be subclassed. RAW-FRAME simply reads in the frame header, and then
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- the frame "payload" as raw OCTETS.
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* __mp4-atom.lisp:__ Parses MP4 audio files. Similar logic to __id-frame.lisp__, but has two main differnces: first,
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* __mp4-atom.lisp:__ Parses MP4 audio files. Similar logic to __id-frame.lisp__, but has two main differnces: first,
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it returns a tree stucture (needed, since, that's how M4A atoms/boxes work), and secondly, has an *atom-skip* class
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it returns a tree stucture (needed, since, that's how M4A atoms/boxes work), and secondly, has an *atom-skip* class
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that records the name and position of an atom, but seeks to the next atom rather than reading in contents.
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that records the name and position of an atom, but seeks to the next atom rather than reading in contents.
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