On Fri, Oct 11, 2013 at 11:35:20AM +0200, Luca Barbato wrote:
> Sample-Id: 00000287-google
> 
> Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
> CC: [email protected]
> ---
>  libavcodec/indeo4.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/libavcodec/indeo4.c b/libavcodec/indeo4.c
> index 042529f..3c749a9 100644
> --- a/libavcodec/indeo4.c
> +++ b/libavcodec/indeo4.c
> @@ -293,6 +293,7 @@ static int decode_band_hdr(IVI45DecContext *ctx, 
> IVIBandDesc *band,
>  
>      band->is_empty = get_bits1(&ctx->gb);
>      if (!band->is_empty) {
> +        int old_blk_size = band->blk_size;
>          /* skip header size
>           * If header size is not given, header size is 4 bytes. */
>          if (get_bits1(&ctx->gb))
> @@ -378,6 +379,13 @@ static int decode_band_hdr(IVI45DecContext *ctx, 
> IVIBandDesc *band,
>                                        band->quant_mat);
>                  return AVERROR_INVALIDDATA;
>              }
> +        } else {
> +            if (old_blk_size != band->blk_size) {
> +                av_log(avctx, AV_LOG_ERROR,
> +                       "The band block size does not match the configuration 
> "
> +                       "inherited\n");
> +                return AVERROR_INVALIDDATA;
> +            }
>          }
>  
>          /* decode block huffman codebook */
> -- 

might be OK
_______________________________________________
libav-devel mailing list
[email protected]
https://lists.libav.org/mailman/listinfo/libav-devel

Reply via email to