avcodec/amrwbdec: Fix division by 0 in voice_factor()
authorMichael Niedermayer <michael@niedermayer.cc>
Thu, 7 Dec 2017 14:32:54 +0000 (15:32 +0100)
committerMichael Niedermayer <michael@niedermayer.cc>
Mon, 19 Feb 2018 01:40:54 +0000 (02:40 +0100)
commit4d0a4601015b83c52990e5d5d8fb34c321a7d484
tree00eef72dbca129c9bfe9b10eb5865167327b8d15
parent4a5ec6226b858b1ec88b37c4e602c3b179539c04
avcodec/amrwbdec: Fix division by 0 in voice_factor()

The added value matches "Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Extended Adaptive Multi-Rate - Wideband (AMR-WB+) codec; Floating-point ANSI-C code (3GPP TS 26.304 version 14.0.0 Release 14)
Extended Adaptive Multi-Rate - Wideband (AMR-WB+) codec; Floating-point ANSI-C code"

Fixes: runtime error: division by zero
Fixes: 4415/clusterfuzz-testcase-minimized-4677752314658816

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 1d0817d56b66797118880358ea7d7a2acfdca429)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/amrwbdec.c