On Wed, Mar 21, 2012 at 10:14 AM, Alex Converse <[email protected]> wrote:
> If the next header frame codes zero envelopes the previous frame's
> values will be used. Consequently the invalid values must be cleared.
>
> Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
> ---
>  libavcodec/aacps.c |    4 ++++
>  1 files changed, 4 insertions(+), 0 deletions(-)
>
> diff --git a/libavcodec/aacps.c b/libavcodec/aacps.c
> index 3da912c..6c9dcf2 100644
> --- a/libavcodec/aacps.c
> +++ b/libavcodec/aacps.c
> @@ -275,6 +275,10 @@ int ff_ps_read_data(AVCodecContext *avctx, GetBitContext 
> *gb_host, PSContext *ps
>  err:
>     ps->start = 0;
>     skip_bits_long(gb_host, bits_left);
> +    memset(ps->iid_par, 0, sizeof(ps->iid_par));
> +    memset(ps->icc_par, 0, sizeof(ps->icc_par));
> +    memset(ps->ipd_par, 0, sizeof(ps->ipd_par));
> +    memset(ps->opd_par, 0, sizeof(ps->opd_par));
>     return bits_left;
>  }
>
> --
> 1.7.7.3
>

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