On Sat, Mar 17, 2012 at 09:34:51AM -0700, Ronald S. Bultje wrote:
> Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
> CC: [email protected]
> ---
>  libavcodec/cabac_functions.h |    6 ++++--
>  1 files changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/libavcodec/cabac_functions.h b/libavcodec/cabac_functions.h
> index b150aab..4c74cf7 100644
> --- a/libavcodec/cabac_functions.h
> +++ b/libavcodec/cabac_functions.h
> @@ -47,7 +47,8 @@ static void refill(CABACContext *c){
>          c->low+= c->bytestream[0]<<1;
>  #endif
>      c->low -= CABAC_MASK;
> -    c->bytestream+= CABAC_BITS/8;
> +    if (c->bytestream < c->bytestream_end)
> +        c->bytestream += CABAC_BITS / 8;
>  }
>  
>  static inline void renorm_cabac_decoder_once(CABACContext *c){
> @@ -74,7 +75,8 @@ static void refill2(CABACContext *c){
>  #endif
>  
>      c->low += x<<i;
> -    c->bytestream+= CABAC_BITS/8;
> +    if (c->bytestream < c->bytestream_end)
> +        c->bytestream += CABAC_BITS/8;
>  }
>  
>  static av_always_inline int get_cabac_inline(CABACContext *c, uint8_t * 
> const state){
> -- 

probably OK
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