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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