On Fri, Oct 11, 2013 at 11:35:21AM +0200, Luca Barbato wrote:
> Sample-Id: 00000262-google
> Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
> CC: [email protected]
> ---
>  libavcodec/indeo4.c | 19 ++++++++++---------
>  1 file changed, 10 insertions(+), 9 deletions(-)
> 
> diff --git a/libavcodec/indeo4.c b/libavcodec/indeo4.c
> index 3c749a9..b99c08e 100644
> --- a/libavcodec/indeo4.c
> +++ b/libavcodec/indeo4.c
> @@ -370,15 +370,6 @@ static int decode_band_hdr(IVI45DecContext *ctx, 
> IVIBandDesc *band,
>              band->scan = scan_index_to_tab[scan_indx];
>  
>              band->quant_mat = get_bits(&ctx->gb, 5);
> -            if (band->quant_mat == 31) {
> -                av_log(avctx, AV_LOG_ERROR, "Custom quant matrix 
> encountered!\n");
> -                return AVERROR_INVALIDDATA;
> -            }
> -            if (band->quant_mat >= FF_ARRAY_ELEMS(quant_index_to_tab)) {
> -                avpriv_request_sample(avctx, "Quantization matrix %d",
> -                                      band->quant_mat);
> -                return AVERROR_INVALIDDATA;
> -            }
>          } else {
>              if (old_blk_size != band->blk_size) {
>                  av_log(avctx, AV_LOG_ERROR,
> @@ -416,6 +407,16 @@ static int decode_band_hdr(IVI45DecContext *ctx, 
> IVIBandDesc *band,
>      }
>  
>      if (band->blk_size == 8) {
> +        if (band->quant_mat == 31) {
> +            av_log(avctx, AV_LOG_ERROR, "Custom quant matrix 
> encountered!\n");
> +            return AVERROR_INVALIDDATA;
> +        }
> +
> +        if (band->quant_mat >= FF_ARRAY_ELEMS(quant_index_to_tab)) {
> +            avpriv_request_sample(avctx, "Quantization matrix %d",
> +                                  band->quant_mat);
> +            return AVERROR_INVALIDDATA;
> +        }
>          band->intra_base = 
> &ivi4_quant_8x8_intra[quant_index_to_tab[band->quant_mat]][0];
>          band->inter_base = 
> &ivi4_quant_8x8_inter[quant_index_to_tab[band->quant_mat]][0];
>      } else {
> -- 

why?
_______________________________________________
libav-devel mailing list
[email protected]
https://lists.libav.org/mailman/listinfo/libav-devel

Reply via email to