On 03/21/2012 06:14 PM, Alex Converse 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; }
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