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Consider TNS headroom for complex prediction. 

Bug: 176246647
Test: atest android.media.cts.DecoderTestAacFormat android.media.cts.DecoderTestXheAac android.media.cts.DecoderTestAacDrc
Change-Id: I8261106b98d7e7c5a8a2af38585c726285ea8623
This commit is contained in:
Fraunhofer IIS FDK 2020-04-17 15:05:08 +02:00 committed by Ray Essick
parent 09e7c40a3a
commit 5e031b67ba
1 changed files with 4 additions and 2 deletions
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6
libAACdec/src/channel.cpp
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@ -1,7 +1,7 @@
/* -----------------------------------------------------------------------------
Software License for The Fraunhofer FDK AAC Codec Library for Android
© Copyright 1995 - 2018 Fraunhofer-Gesellschaft zur Förderung der angewandten
© Copyright 1995 - 2020 Fraunhofer-Gesellschaft zur Förderung der angewandten
Forschung e.V. All rights reserved.
1. INTRODUCTION
@ -265,7 +265,9 @@ void CChannelElement_Decode(
stereo prediction since scaling has already been carried out. */
int max_sfb_ste = (INT)(pAacDecoderChannelInfo[L]->icsInfo.max_sfb_ste);
if ((!CP_active) || (CP_active && (max_sfb_ste < noSfbs)) ||
if (!(CP_active && (max_sfb_ste == noSfbs)) ||
!(CP_active &&
!(pAacDecoderChannelInfo[ch]->pDynData->TnsData.Active)) ||
((flags & (AC_USAC | AC_RSVD50 | AC_RSV603DA)) &&
(pAacDecoderChannelInfo[L]->pDynData->specificTo.usac.tns_on_lr ==
0))) {