[FFmpeg-devel] [PATCH 2/3] avcodec/aacenc_is: Assert that minthr is not 0.0, this would lead to division by 0 later

Michael Niedermayer michael at niedermayer.cc
Mon May 16 14:24:26 CEST 2016


Testcase is fate-aac-pred-encode

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
 libavcodec/aacenc_is.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavcodec/aacenc_is.c b/libavcodec/aacenc_is.c
index 473897b..e5cfa14 100644
--- a/libavcodec/aacenc_is.c
+++ b/libavcodec/aacenc_is.c
@@ -64,6 +64,9 @@ struct AACISError ff_aac_is_encoding_err(AACEncContext *s, ChannelElement *cpe,
         abs_pow34_v(I34, IS,                   sce0->ics.swb_sizes[g]);
         maxval = find_max_val(1, sce0->ics.swb_sizes[g], I34);
         is_band_type = find_min_book(maxval, is_sf_idx);
+
+        av_assert0(minthr != 0.0);
+
         dist1 += quantize_band_cost(s, &L[start + (w+w2)*128], L34,
                                     sce0->ics.swb_sizes[g],
                                     sce0->sf_idx[w*16+g],
-- 
1.7.9.5



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