[vlc-devel] [PATCH] core: avcodec requires 32-bytes memory alignment in many cases

[Rémi Denis-Courmont]

Le 2015-03-31 11:59, Steve Lhomme a écrit :
> --
> this will avoid disabling direct rendering in those cases
> ---
>  src/misc/picture.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/src/misc/picture.c b/src/misc/picture.c
> index 6aa5b05..8b4e0bf 100644
> --- a/src/misc/picture.c
> +++ b/src/misc/picture.c
> @@ -62,7 +62,7 @@ static int AllocatePicture( picture_t *p_pic )
>          i_bytes += p->i_pitch * p->i_lines;
>      }
>
> -    uint8_t *p_data = vlc_memalign( 16, i_bytes );
> +    uint8_t *p_data = vlc_memalign( 32, i_bytes );

This is undefined if i_bytes is not a multiple of 32...

>      if( i_bytes > 0 && p_data == NULL )
>      {
>          p_pic->i_planes = 0;

-- 
Rémi Denis-Courmont