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56 lines
1.4 KiB
Text
56 lines
1.4 KiB
Text
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afReadMisc(3)
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=============
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NAME
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----
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afReadMisc, afWriteMisc, afSeekMisc - access miscellaneous metadata in an audio file
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SYNOPSIS
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--------
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#include <audiofile.h>
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int afReadMisc (AFfilehandle file, int miscid, void *buffer, int nbytes);
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int afWriteMisc (AFfilehandle file, int miscid, const void *buffer, int nbytes);
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int afSeekMisc (AFfilehandle file, int miscid, int offbytes);
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DESCRIPTION
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-----------
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`afReadMisc` reads up to 'nbytes' from the miscellaneous data chunk
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identified by 'miscid' in 'file'.
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`afWriteMisc` writes up to 'nbytes' to the miscellaneous data chunk
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identified by 'miscid' in 'file'.
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`afSeekMisc` changes the current offset within the miscellaneous data
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chunk identified by 'miscid' to the offset 'offbytes'.
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RETURN VALUE
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------------
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`afReadMisc` returns the number of bytes read from the specified
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miscellaneous chunk into the buffer referred to by 'buffer'.
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`afWriteMisc` returns the number of bytes written to the specified
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miscellaneous chunk from the buffer referred to by 'buffer'.
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`afSeekMisc` returns the new location of the logical data pointer as
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measured as an offset in bytes from the beginning of the miscellaneous
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chunk's data area.
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ERRORS
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------
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`afReadMisc`, `afWriteMisc`, and `afSeekMisc` can produce the following
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error codes:
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* `AF_BAD_READ`
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* `AF_BAD_WRITE`
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* `AF_BAD_MISCSEEK`
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* `AF_BAD_MISCID`
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* `AF_BAD_TRACKID`
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* `AF_BAD_FILEHANDLE`
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AUTHOR
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------
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Michael Pruett <michael@68k.org>
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