[FFmpeg-soc] [soc]: r2856 - aac/aac.c

[Robert Swain]

2008/7/27 Kostya <kostya.shishkov at gmail.com>:
> On Sun, Jul 27, 2008 at 03:09:10PM +0100, Robert Swain wrote:
>> 2008/7/27 Michael Niedermayer <michaelni at gmx.at>:
>> > On Sun, Jul 27, 2008 at 11:53:32AM +0200, superdump wrote:
>> >> Author: superdump
>> >> Date: Sun Jul 27 11:53:32 2008
>> >> New Revision: 2856
>> >>
>> >> Log:
>> >> Add doxygen comments for band types
>> >>
>> >>
>> >> Modified:
>> >>    aac/aac.c
>> >>
>> >> Modified: aac/aac.c
>> >> ==============================================================================
>> >> --- aac/aac.c (original)
>> >> +++ aac/aac.c Sun Jul 27 11:53:32 2008
>> >> @@ -174,12 +174,12 @@ enum WindowSequence {
>> >>  };
>> >>
>> >>  enum BandType {
>> >> -    ZERO_BT        = 0,
>> >> +    ZERO_BT        = 0,     ///< Scalefactors and spectral data are all zero.
>> >
>> >>      FIRST_PAIR_BT  = 5,
>> >
>> > and this one?
>>
>> I couldn't find any specific description from the spec only code
>> depending on it. And I couldn't find anything about the order of what
>> they call the huffman codebooks to be able to disseminate what the
>> 'pair' is to be able to assign it some meaning.
>
> That's easy - first codebooks encode 4 values with one codeword, next encode
> only two values with one codeword, so FIRST_PAIR_BT is the first codebook number
> which encodes pairs instead of quads.

Done.

Rob