[FFmpeg-devel] [PATCH] Common ACELP code & G.729 [5/7] - G.729 tables

[Michael Niedermayer]

On Wed, Sep 03, 2008 at 12:07:54PM +0700, Vladimir Voroshilov wrote:
> 2008/9/2 Michael Niedermayer <michaelni at gmx.at>:
> > On Wed, Aug 27, 2008 at 03:09:38AM +0700, Vladimir Voroshilov wrote:
> 
> >> +/**
> >> + * gain codebook (second stage), 8k mode (3.9.2 of G.729)
> >> + */
> >> +static const int16_t cb_gain_2nd_8k[1<<GC_2ND_IDX_BITS_8K][2] =
> >> +{ /*(1.14) (2.13) */
> >> +  {  5142 ,   592 },
> >> +  { 17299 ,  1861 },
> >> +  {  6160 ,  2395 },
> >> +  { 16112 ,  3392 },
> >> +  {   826 ,  2005 },
> >> +  { 18973 ,  5935 },
> >> +  {  1994 ,     0 },
> >> +  { 15434 ,   237 },
> >> +  { 10573 ,  2966 },
> >> +  { 15132 ,  4914 },
> >> +  { 11569 ,  1196 },
> >> +  { 14194 ,  1630 },
> >> +  {  8091 ,  4861 },
> >> +  { 15161 , 14276 },
> >> +  {  9120 ,   525 },
> >> +  { 13260 ,  3256 },
> >
> > 2.13 is wrong
> 
> Sign.
> 1.13 of course.
> Rechecked remaining twice. Looks correct
> 
> 
> -- 
> Regards,
> Vladimir Voroshilov mailto:voroshil at gmail.com
> JID: voroshil at gmail.com, voroshil at jabber.ru
> ICQ: 95587719

> diff --git a/libavcodec/g729data.h b/libavcodec/g729data.h
> index 09b3a47..4abb56c 100644
> --- a/libavcodec/g729data.h
> +++ b/libavcodec/g729data.h
> @@ -225,4 +225,83 @@ static const int16_t cb_gain_1st_8k[1<<GC_1ST_IDX_BITS_8K][2] =
>    {  356 , 14756 },
>    {   57 ,  5404 },
>  };
> +
> +/**
> + * gain codebook (second stage), 8k mode (3.9.2 of G.729)
> + */
> +static const int16_t cb_gain_2nd_8k[1<<GC_2ND_IDX_BITS_8K][2] =
> +{ /*(1.14) (1.13) */
> +  {  5142 ,   592 },
> +  { 17299 ,  1861 },
> +  {  6160 ,  2395 },
> +  { 16112 ,  3392 },
> +  {   826 ,  2005 },
> +  { 18973 ,  5935 },
> +  {  1994 ,     0 },
> +  { 15434 ,   237 },
> +  { 10573 ,  2966 },
> +  { 15132 ,  4914 },
> +  { 11569 ,  1196 },
> +  { 14194 ,  1630 },
> +  {  8091 ,  4861 },
> +  { 15161 , 14276 },
> +  {  9120 ,   525 },
> +  { 13260 ,  3256 },
> +};
> +
> +/**
> + * 4th order Moving Average (MA) Predictor codebook (3.2.4 of G.729)
> + */
> +static const int16_t cb_ma_predictor[2][MA_NP][10] =
> +{ /* (0.15) */
> +  {
> +    { 8421,  9109,  9175,  8965,  9034,  9057,  8765,  8775,  9106,  8673},
> +    { 7018,  7189,  7638,  7307,  7444,  7379,  7038,  6956,  6930,  6868},
> +    { 5472,  4990,  5134,  5177,  5246,  5141,  5206,  5095,  4830,  5147},
> +    { 4056,  3031,  2614,  3024,  2916,  2713,  3309,  3237,  2857,  3473}
> +  },
> +  {
> +    { 7733,  7880,  8188,  8175,  8247,  8490,  8637,  8601,  8359,  7569},
> +    { 4210,  3031,  2552,  3473,  3876,  3853,  4184,  4154,  3909,  3968},
> +    { 3214,  1930,  1313,  2143,  2493,  2385,  2755,  2706,  2542,  2919},
> +    { 3024,  1592,   940,  1631,  1723,  1579,  2034,  2084,  1913,  2601}
> +  }
> +};

ok

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

Old school: Use the lowest level language in which you can solve the problem
            conveniently.
New school: Use the highest level language in which the latest supercomputer
            can solve the problem without the user falling asleep waiting.
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