[FFmpeg-devel] [PATCH] aacenc: update max_sfb when num_swb changes
Rostislav Pehlivanov
atomnuker at gmail.com
Tue Dec 8 22:00:45 CET 2015
LGTM
Thanks, sorry I took so long to see the email
Push when you can
On 6 December 2015 at 21:33, Andreas Cadhalpun <
andreas.cadhalpun at googlemail.com> wrote:
> This fixes out-of-bounds reads in avoid_clipping.
>
> Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com>
> ---
> libavcodec/aacenc.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/libavcodec/aacenc.c b/libavcodec/aacenc.c
> index 2156fc0..d48fb32 100644
> --- a/libavcodec/aacenc.c
> +++ b/libavcodec/aacenc.c
> @@ -574,6 +574,7 @@ static int aac_encode_frame(AVCodecContext *avctx,
> AVPacket *avpkt,
> ics->num_windows = wi[ch].num_windows;
> ics->swb_sizes = s->psy.bands [ics->num_windows
> == 8];
> ics->num_swb = tag == TYPE_LFE ? ics->num_swb :
> s->psy.num_bands[ics->num_windows == 8];
> + ics->max_sfb = FFMIN(ics->max_sfb, ics->num_swb);
> ics->swb_offset = wi[ch].window_type[0] ==
> EIGHT_SHORT_SEQUENCE ?
> ff_swb_offset_128
> [s->samplerate_index]:
>
> ff_swb_offset_1024[s->samplerate_index];
> --
> 2.6.2
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