[FFmpeg-devel] [PATCH v3 1/2] avcodec: add support for Cunning Developments' ADPCM

Michael Niedermayer michael at niedermayer.cc
Mon Mar 23 20:24:27 EET 2020


On Thu, Mar 19, 2020 at 12:00:20PM +0000, Zane van Iperen wrote:
[...]
> index 4cce0a5857..a1f6966c75 100644
> --- a/libavcodec/adpcm_data.c
> +++ b/libavcodec/adpcm_data.c
> @@ -177,3 +177,16 @@ const int16_t ff_adpcm_mtaf_stepsize[32][16] = {
>      {   424,  1273,  2121,  2970,  3819,  4668,  5516,  6365,
>         -424, -1273, -2121, -2970, -3819, -4668, -5516, -6365, },
>  };

> +
> +const int16_t ff_adpcm_ima_cunning_index_table[8] = {
> +    -1, -1, -1, -1, 1, 2, 3, 4,
> +};

this could be int8_t


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

Dictatorship naturally arises out of democracy, and the most aggravated
form of tyranny and slavery out of the most extreme liberty. -- Plato
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