From c47066df27e6ba6eb3f9d00e663796b54e9f64e7 Mon Sep 17 00:00:00 2001
From: Fraunhofer IIS FDK <audio-fdk@iis.fraunhofer.de>
Date: Thu, 20 Dec 2018 15:52:46 +0100
Subject: Add QMF analysis band sanity check

Test: atest DecoderTestXheAac ; atest DecoderTestAacDrc

Change-Id: I0001e0996a970e91a21bfe8ba051fdba0c06c219
---
 libAACdec/src/aacdecoder_lib.cpp | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

(limited to 'libAACdec/src')

diff --git a/libAACdec/src/aacdecoder_lib.cpp b/libAACdec/src/aacdecoder_lib.cpp
index cbcd404..c214ba1 100644
--- a/libAACdec/src/aacdecoder_lib.cpp
+++ b/libAACdec/src/aacdecoder_lib.cpp
@@ -1398,9 +1398,13 @@ aacDecoder_DecodeFrame(HANDLE_AACDECODER self, INT_PCM *pTimeData_extern,
         mpegSurroundDecoder_ConfigureQmfDomain(
             (CMpegSurroundDecoder *)self->pMpegSurroundDecoder, sac_interface,
             (UINT)self->streamInfo.aacSampleRate, self->streamInfo.aot);
-        self->qmfDomain.globalConf.nQmfTimeSlots_requested =
-            self->streamInfo.aacSamplesPerFrame /
-            self->qmfDomain.globalConf.nBandsAnalysis_requested;
+        if (self->qmfDomain.globalConf.nBandsAnalysis_requested > 0) {
+          self->qmfDomain.globalConf.nQmfTimeSlots_requested =
+              self->streamInfo.aacSamplesPerFrame /
+              self->qmfDomain.globalConf.nBandsAnalysis_requested;
+        } else {
+          self->qmfDomain.globalConf.nQmfTimeSlots_requested = 0;
+        }
       }
 
       self->qmfDomain.globalConf.TDinput = pTimeData;
-- 
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