From 0271d6a6f3111be142456bf185e834aa5bc10309 Mon Sep 17 00:00:00 2001
From: Fraunhofer IIS FDK <audio-fdk@iis.fraunhofer.de>
Date: Fri, 19 Oct 2018 16:41:01 +0200
Subject: [PATCH] Call QMF transposer initialization only with successful SBR
 processing

Test: atest DecoderTestXheAac ; atest DecoderTestAacDrc

Change-Id: I8a8626a83e1bd87b2c14fad7c90174e4172c01b6
---
 libSBRdec/src/hbe.cpp        | 4 ++++
 libSBRdec/src/sbr_dec.cpp    | 2 +-
 libSBRdec/src/sbrdecoder.cpp | 7 ++++++-
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/libSBRdec/src/hbe.cpp b/libSBRdec/src/hbe.cpp
index 53b21c9..1141e9c 100644
--- a/libSBRdec/src/hbe.cpp
+++ b/libSBRdec/src/hbe.cpp
@@ -1056,6 +1056,10 @@ SBR_ERROR QmfTransposerReInit(HANDLE_HBE_TRANSPOSER hQmfTransposer,
     const FIXP_QTW* tmp_t_sin;
 
     hQmfTransposer->startBand = FreqBandTable[0][0];
+    FDK_ASSERT((!hQmfTransposer->bSbr41 && hQmfTransposer->startBand <= 32) ||
+               (hQmfTransposer->bSbr41 &&
+                hQmfTransposer->startBand <=
+                    16)); /* is checked by resetFreqBandTables() */
     hQmfTransposer->stopBand = FreqBandTable[0][NSfb[0]];
 
     hQmfTransposer->synthSize =
diff --git a/libSBRdec/src/sbr_dec.cpp b/libSBRdec/src/sbr_dec.cpp
index 2e18e6c..30611e7 100644
--- a/libSBRdec/src/sbr_dec.cpp
+++ b/libSBRdec/src/sbr_dec.cpp
@@ -1248,7 +1248,7 @@ resetSbrDec(HANDLE_SBR_DEC hSbrDec, HANDLE_SBR_HEADER_DATA hHeaderData,
 
   hSbrDec->savedStates = 0;
 
-  if (flags & SBRDEC_USAC_HARMONICSBR) {
+  if ((flags & SBRDEC_USAC_HARMONICSBR) && applySbrProc) {
     sbrError = QmfTransposerReInit(hSbrDec->hHBE,
                                    hHeaderData->freqBandData.freqBandTable,
                                    hHeaderData->freqBandData.nSfb);
diff --git a/libSBRdec/src/sbrdecoder.cpp b/libSBRdec/src/sbrdecoder.cpp
index e2455da..f40639b 100644
--- a/libSBRdec/src/sbrdecoder.cpp
+++ b/libSBRdec/src/sbrdecoder.cpp
@@ -1677,6 +1677,9 @@ static SBR_ERROR sbrDecoder_DecodeElement(
   /* reset */
   if (hSbrHeader->status & SBRDEC_HDR_STAT_RESET) {
     int ch;
+    int applySbrProc = (hSbrHeader->syncState == SBR_ACTIVE ||
+                        (hSbrHeader->frameErrorFlag == 0 &&
+                         hSbrHeader->syncState == SBR_HEADER));
     for (ch = 0; ch < numElementChannels; ch++) {
       SBR_ERROR errorStatusTmp = SBRDEC_OK;
 
@@ -1688,7 +1691,9 @@ static SBR_ERROR sbrDecoder_DecodeElement(
         hSbrHeader->syncState = UPSAMPLING;
       }
     }
-    hSbrHeader->status &= ~SBRDEC_HDR_STAT_RESET;
+    if (applySbrProc) {
+      hSbrHeader->status &= ~SBRDEC_HDR_STAT_RESET;
+    }
   }
 
   /* decoding */