diff options
| author | Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com> | 2015-12-04 18:13:07 +0100 |
|---|---|---|
| committer | Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com> | 2015-12-05 01:50:08 +0100 |
| commit | 7a4652dd5da0502ff21c183b5ca7d76b1cfd6c51 (patch) | |
| tree | 32d08be1c7c7fab9492bd24357e1390994609a5e /libavcodec/aaccoder.c | |
| parent | 325b59368dae3c3f2f5cc39873002b4cf133ccbc (diff) | |
aaccoder: prevent crash of anmr coder
If minq is negative, the range of sf_idx can be larger than
SCALE_MAX_DIFF allows, causing assertion failures later in
encode_scale_factors.
Reviewed-by: Claudio Freire <klaussfreire@gmail.com>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Diffstat (limited to 'libavcodec/aaccoder.c')
| -rw-r--r-- | libavcodec/aaccoder.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/aaccoder.c b/libavcodec/aaccoder.c index 2a0cb1f6b5..e8a61cef6c 100644 --- a/libavcodec/aaccoder.c +++ b/libavcodec/aaccoder.c @@ -370,7 +370,7 @@ static void search_for_quantizers_anmr(AVCodecContext *avctx, AACEncContext *s, } while (idx) { sce->sf_idx[bandaddr[idx]] = minq + q0; - minq = paths[idx][minq].prev; + minq = FFMAX(paths[idx][minq].prev, 0); idx--; } //set the same quantizers inside window groups |