On Sun, Nov 08, 2015 at 10:02:56PM +0100, Andreas Cadhalpun wrote:
> This fixes a SIGFPE crash in the aac_fixed decoder.
>
> Signed-off-by: Andreas Cadhalpun <andreas.cadhal...@googlemail.com>
> ---
> libavcodec/aacsbr_fixed.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/libavcodec/aacsbr_fixed.c b/libavcodec/aacsbr_fixed.c
> index f942d74..efe40f2 100644
> --- a/libavcodec/aacsbr_fixed.c
> +++ b/libavcodec/aacsbr_fixed.c
> @@ -434,8 +434,8 @@ static void sbr_gain_calc(AACContext *ac,
> SpectralBandReplication *sbr,
> gain_max = FLOAT_100000;
> for (m = sbr->f_tablelim[k] - sbr->kx[1]; m < sbr->f_tablelim[k
> + 1] - sbr->kx[1]; m++) {
> SoftFloat q_m_max = av_div_sf(
> - av_mul_sf(sbr->q_m[e][m], gain_max),
> - sbr->gain[e][m]);
> + av_add_sf(FLOAT_EPSILON,
> av_mul_sf(sbr->q_m[e][m], gain_max)),
> + av_add_sf(FLOAT_EPSILON,
> sbr->gain[e][m]));is gain == 0 here ? isnt that invalid ? [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Many that live deserve death. And some that die deserve life. Can you give it to them? Then do not be too eager to deal out death in judgement. For even the very wise cannot see all ends. -- Gandalf
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