On Thu, Sep 29, 2011 at 09:42:29AM -0700, Alex Converse wrote:
> show_bits() is undefined when the number of bits is less than or equal to
> zero.
> ---
>  libavcodec/proresdec.c |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/libavcodec/proresdec.c b/libavcodec/proresdec.c
> index 759c10b..c70d145 100644
> --- a/libavcodec/proresdec.c
> +++ b/libavcodec/proresdec.c
> @@ -427,13 +427,13 @@ static inline void decode_ac_coeffs(GetBitContext *gb, 
> DCTELEM *out,
>          lev_cb_index = lev_to_cb_index[FFMIN(level, 9)];
>  
>          bits_left = get_bits_left(gb);
> -        if (bits_left <= 8 && !show_bits(gb, bits_left))
> +        if (bits_left <= 0 || (bits_left <= 8 && !show_bits(gb, bits_left)))
>              return;
>  
>          run = decode_vlc_codeword(gb, ac_codebook[run_cb_index]);
>  
>          bits_left = get_bits_left(gb);
> -        if (bits_left <= 8 && !show_bits(gb, bits_left))
> +        if (bits_left <= 0 || (bits_left <= 8 && !show_bits(gb, bits_left)))
>              return;
>  
>          level = decode_vlc_codeword(gb, ac_codebook[lev_cb_index]) + 1;
> -- 

LGTM
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