On 02/17/2012 07:27 PM, Ronald S. Bultje wrote:

> From: "Ronald S. Bultje" <[email protected]>
> 
> Return 0 indicates "please return the same data again", i.e. it causes
> an infinite loop. Instead, return that we consumed the buffer if we
> finished decoding succesfully, or return an error if an error occurred.
> 
> Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
> CC: [email protected]
> ---
>  libavcodec/mjpegbdec.c |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
[...]
> @@ -149,7 +149,7 @@ read_header:
>          picture->quality*= FF_QP2LAMBDA;
>      }
>  
> -    return buf_ptr - buf;
> +    return buf_size;


This change assumes there can never be multiple frames in a packet. If
that's true for mjpegb, the patch looks fine.

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

Reply via email to