[Ffmpeg-devel] Reading bit-reversed VLC codes

[Michael Niedermayer]

Hi

On Sun, Mar 18, 2007 at 07:13:30PM +0000, M?ns Rullg?rd wrote:
> I need to read VLC codes that are stored in reverse order in the
> bitstream, i.e. a 4-bit code value of 5 is returned by get_bits as
> 0xa.  Is there some way to do this using the lavc VLC reader?

for get bits the code in asv1.c
static inline int asv2_get_bits(GetBitContext *gb, int n){
    return ff_reverse[ get_bits(gb, n) << (8-n) ];
}

might do what you want, for get_vlc() just change the table
before init_vlc()

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Everything should be made as simple as possible, but not simpler.
-- Albert Einstein
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