failure to handle this case affects more of the code than thought;
many of the old low-bitrate crash cases trace back to this problem.

This also affects tremor.  These changes are not yet thoroughly
tested.


svn path=/trunk/vorbis/; revision=13172

svn path=/trunk/vorbis/; revision=13171

books with no codewords (in that mode with that partitioning scheme,
no values happened to fall into that partition).  This is not really
an error.

However, the residue encoding code did not account for the possibility
of looking up a codebook best match and finding no entries.  Because
the unused book only came up very rarely (four hours of training audio
didn't hit it once), it took a while to notice and only comes up on
platforms with subtly different FP than the machine used to do
training.

This bug affects very low bitrate stereo 8, 11, 16 and 22kHz modes;
added code to check for 'no match in codebook' (correct behavior is to
encode nothing) and for good measure, removed the four dummy codebooks
as there's no point in wasting a few bytes in the header to pack a
nothing.

Closes bug 1142.


svn path=/trunk/vorbis/; revision=13170

codebooks with no entries.  Ideally that wouldn't happen, but it looks
like the automated codebook training ended up with a few 'null' books.


svn path=/trunk/vorbis/; revision=13169

Attempted fix for bug #300; the last comment identified a legitimate static bounds overrun that would have explained the behavior.


svn path=/trunk/vorbis/; revision=13168

Don't forget to test all changes in a code cleanup-- residue type 2 encoding was broken by last night's round of fixes.

Tested fixed.


svn path=/trunk/vorbis/; revision=13167

svn path=/trunk/vorbis/; revision=13163

Coverity.


svn path=/trunk/vorbis/; revision=13162

illegal map/floor/residue type.  The cleanup subdispatch was done by 
type, unfortunately, the invalid type just read in.  Fixed.

also bump lib revision.


svn path=/trunk/vorbis/; revision=13160

may overflow the base vector's actual storage; this *must* be handled by 
decoders.


svn path=/trunk/vorbis/; revision=13159

svn path=/trunk/vorbis/; revision=13155

than res0 and res1; guarding code (and garbled playback) fixed


svn path=/trunk/vorbis/; revision=13154

svn path=/trunk/vorbis/; revision=13153

or floor is decoding into a vector larger than the current blocksize.
This is not illegal, but no encoder has ever tried it and as such, it
had not been noticed that the code did not handle the case correctly.


svn path=/trunk/vorbis/; revision=13151

svn path=/trunk/vorbis/; revision=13150

svn path=/trunk/vorbis/; revision=13149

svn path=/trunk/vorbis/; revision=13132

svn path=/trunk/vorbis/; revision=13069

svn path=/trunk/vorbis/; revision=13068

svn path=/trunk/vorbis/; revision=12996

svn path=/trunk/vorbis/; revision=12995

svn path=/trunk/vorbis/; revision=12946

svn path=/trunk/vorbis/; revision=12940

svn path=/trunk/vorbis/; revision=12939

svn path=/trunk/vorbis/; revision=12934

Yet another change in the headers packing, in practice nothing changes if you use a dummy comment header ( 2| 30| 28| ident| comment| setup| ) but should be flexible enough to be used for other codecs or evolutions of vorbis

svn path=/trunk/vorbis/; revision=12929

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svn path=/trunk/vorbis/; revision=12908

svn path=/trunk/vorbis/; revision=12907

svn path=/trunk/vorbis/; revision=12906

svn path=/trunk/vorbis/; revision=12897

svn path=/trunk/vorbis/; revision=12889

svn path=/trunk/vorbis/; revision=12888

svn path=/trunk/vorbis/; revision=12887

svn path=/trunk/vorbis/; revision=12886

svn path=/trunk/vorbis/; revision=12883

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svn path=/trunk/vorbis/; revision=12813