1AFREADMISC(3) AFREADMISC(3)
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6 afReadMisc, afWriteMisc, afSeekMisc - access miscellaneous metadata in
7 an audio file
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10 #include <audiofile.h>
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12 int afReadMisc (AFfilehandle file, int miscid, void *buffer, int nbytes);
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14 int afWriteMisc (AFfilehandle file, int miscid, const void *buffer, int nbytes);
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16 int afSeekMisc (AFfilehandle file, int miscid, int offbytes);
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19 afReadMisc reads up to nbytes from the miscellaneous data chunk
20 identified by miscid in file.
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22 afWriteMisc writes up to nbytes to the miscellaneous data chunk
23 identified by miscid in file.
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25 afSeekMisc changes the current offset within the miscellaneous data
26 chunk identified by miscid to the offset offbytes.
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29 afReadMisc returns the number of bytes read from the specified
30 miscellaneous chunk into the buffer referred to by buffer.
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32 afWriteMisc returns the number of bytes written to the specified
33 miscellaneous chunk from the buffer referred to by buffer.
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35 afSeekMisc returns the new location of the logical data pointer as
36 measured as an offset in bytes from the beginning of the miscellaneous
37 chunk’s data area.
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40 afReadMisc, afWriteMisc, and afSeekMisc can produce the following error
41 codes:
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43 · AF_BAD_READ
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45 · AF_BAD_WRITE
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47 · AF_BAD_MISCSEEK
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49 · AF_BAD_MISCID
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51 · AF_BAD_TRACKID
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53 · AF_BAD_FILEHANDLE
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56 Michael Pruett <michael@68k.org>
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60Audio File Library 0.3.6 03/06/2013 AFREADMISC(3)