[vorbis-dev] Broken waves - helper tool

[Shawn Pourchot]

As one that has been responsible for adding the little chunks of crap at the
end of wave files here's a clue to keeping it clean...

Obey the RIFF format.  If the first DWORD tag is unknown look at the second
DWORD for how long the unknown chunk is and skip it.  All this
WAVEFORMAT(EX) size confusion is usually solved by looking at the ' fmt'
tags second DWORD (size).

There's a utility RIFFWALK.EXE from the WIN32 platform SDK that does a nice
quick job of
parsing a RIFF file (AVI and WAV).  This can let you see what chunks might
be causing problems.

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