From e016635f0d3a5c7532b00711ce461f97a13f7bc2 Mon Sep 17 00:00:00 2001 From: Fraunhofer IIS FDK Date: Thu, 19 Dec 2019 17:28:15 +0100 Subject: Avoid decoder internal clipping by converting the whole audio sample data path from 16 to 32 bit data width (FDKdec v3.2.0). Bug: 149514474 Test: atest DecoderTestXheAac DecoderTestAacDrc Change-Id: I8a504ab709e42e27a61fe29840212953742283a5 --- libSACdec/include/sac_dec_lib.h | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) (limited to 'libSACdec/include') diff --git a/libSACdec/include/sac_dec_lib.h b/libSACdec/include/sac_dec_lib.h index 9913279..1827504 100644 --- a/libSACdec/include/sac_dec_lib.h +++ b/libSACdec/include/sac_dec_lib.h @@ -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 - 2019 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. All rights reserved. 1. INTRODUCTION @@ -252,7 +252,7 @@ typedef enum { scenario. Default parameter value is 3 frames. */ } SACDEC_PARAM; -#define PCM_MPS INT_PCM +#define PCM_MPS LONG /** * \brief MPEG Surround decoder handle. @@ -401,17 +401,22 @@ int mpegSurroundDecoder_Parse(CMpegSurroundDecoder *pMpegSurroundDecoder, * for each output audio channel is stored into. * \param mapDescr Channep map descriptor for output channel mapping * to be used (From MPEG PCE ordering to whatever is required). + * \param inDataHeadroom Headroom of SAC input time signal to prevent + * clipping. + * \param outDataHeadroom Pointer to headroom of SAC output time signal to + * prevent clipping. * * \return Error code. */ int mpegSurroundDecoder_Apply(CMpegSurroundDecoder *pMpegSurroundDecoder, - INT_PCM *input, PCM_MPS *pTimeData, + PCM_MPS *input, PCM_MPS *pTimeData, const int timeDataSize, int timeDataFrameSize, int *nChannels, int *frameSize, int sampleRate, AUDIO_OBJECT_TYPE coreCodec, AUDIO_CHANNEL_TYPE channelType[], UCHAR channelIndices[], - const FDK_channelMapDescr *const mapDescr); + const FDK_channelMapDescr *const mapDescr, + const INT inDataHeadroom, INT *outDataHeadroom); /** * \brief Deallocate a MPEG Surround decoder instance. -- cgit v1.2.3