On 13.11.2016 21:29, Andreas Cadhalpun wrote:
> It causes division by zero crashes.
>
> Signed-off-by: Andreas Cadhalpun <andreas.cadhal...@googlemail.com>
> ---
> libavcodec/aacsbr_fixed.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/libavcodec/aacsbr_fixed.c b/libavcodec/aacsbr_fixed.c
> index b26314a..d2a7027 100644
> --- a/libavcodec/aacsbr_fixed.c
> +++ b/libavcodec/aacsbr_fixed.c
> @@ -429,6 +429,10 @@ static void sbr_gain_calc(AACContext *ac,
> SpectralBandReplication *sbr,
> av_add_sf(FLOAT_1,
> sbr->e_curr[e][m]),
> av_add_sf(FLOAT_1,
> sbr->q_mapped[e][m]))));
> }
> + if (sbr->gain[e][m].mant == 0) {
> + sbr->gain[e][m] = FLOAT_1;
> + sbr->gain[e][m].exp = MIN_EXP;
> + }
> }
> for (m = sbr->f_tablelim[k] - sbr->kx[1]; m < sbr->f_tablelim[k
> + 1] - sbr->kx[1]; m++) {
> sum[0] = av_add_sf(sum[0], sbr->e_origmapped[e][m]);
>
Ping. It would be good to have this fixed in 3.2.1.
Best regards,
Andreas
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