[vlc-devel] [RFC] [PATCH] Fix SPU alpha channel palette values

[Rémi Denis-Courmont]

Le jeudi 7 janvier 2010 20:58:57 Rémi Denis-Courmont, vous avez écrit :
> To convert from 4-bits to 8-bits channel, one should multiply by 17.
> 
> ---
>  modules/codec/spudec/parse.c |    3 +--
>  1 files changed, 1 insertions(+), 2 deletions(-)
> 
> diff --git a/modules/codec/spudec/parse.c b/modules/codec/spudec/parse.c
> index 3b23650..1d347ad 100644
> --- a/modules/codec/spudec/parse.c
> +++ b/modules/codec/spudec/parse.c
> @@ -702,8 +702,7 @@ static void Render( decoder_t *p_dec, subpicture_t
>  *p_spu, fmt.p_palette->palette[i_x][1] = p_spu_data->pi_yuv[i_x][1];
>  fmt.p_palette->palette[i_x][2] = p_spu_data->pi_yuv[i_x][2];
>  fmt.p_palette->palette[i_x][3] =
> -            p_spu_data->pi_alpha[i_x] == 0xf ? 0xff :
> -            p_spu_data->pi_alpha[i_x] << 4;
> +            p_spu_data->pi_alpha[i_x] == p_spu_data->pi_alpha[i_x] * 0x11;
>      }
> 
>      p_spu->p_region = subpicture_region_New( &fmt );

Oups, obvious typo.

-- 
Rémi Denis-Courmont
http://www.remlab.net/
http://fi.linkedin.com/in/remidenis