Fixes: floating point division by 0
Fixes: Ticket8218

Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
 libavcodec/aaccoder.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/libavcodec/aaccoder.c b/libavcodec/aaccoder.c
index baa82489b1..11b0559e1c 100644
--- a/libavcodec/aaccoder.c
+++ b/libavcodec/aaccoder.c
@@ -843,25 +843,25 @@ static void search_for_ms(AACEncContext *s, 
ChannelElement *cpe)
                                                     sce0->ics.swb_sizes[g],
                                                     sce0->sf_idx[w*16+g],
                                                     sce0->band_type[w*16+g],
-                                                    lambda / band0->threshold, 
INFINITY, &b1, NULL, 0);
+                                                    lambda / (band0->threshold 
+ FLT_MIN), INFINITY, &b1, NULL, 0);
                         dist1 += quantize_band_cost(s, &sce1->coeffs[start + 
(w+w2)*128],
                                                     R34,
                                                     sce1->ics.swb_sizes[g],
                                                     sce1->sf_idx[w*16+g],
                                                     sce1->band_type[w*16+g],
-                                                    lambda / band1->threshold, 
INFINITY, &b2, NULL, 0);
+                                                    lambda / (band1->threshold 
+ FLT_MIN), INFINITY, &b2, NULL, 0);
                         dist2 += quantize_band_cost(s, M,
                                                     M34,
                                                     sce0->ics.swb_sizes[g],
                                                     mididx,
                                                     midcb,
-                                                    lambda / minthr, INFINITY, 
&b3, NULL, 0);
+                                                    lambda / (minthr + 
FLT_MIN), INFINITY, &b3, NULL, 0);
                         dist2 += quantize_band_cost(s, S,
                                                     S34,
                                                     sce1->ics.swb_sizes[g],
                                                     sididx,
                                                     sidcb,
-                                                    mslambda / (minthr * 
bmax), INFINITY, &b4, NULL, 0);
+                                                    mslambda / (minthr * bmax 
+ FLT_MIN), INFINITY, &b4, NULL, 0);
                         B0 += b1+b2;
                         B1 += b3+b4;
                         dist1 -= b1+b2;
-- 
2.17.1

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