From 3a0a695565d1d360f9a82173469c8ef858bc08a0 Mon Sep 17 00:00:00 2001 From: Jean-Michel Trivi Date: Tue, 27 Aug 2013 15:57:28 -0700 Subject: FDK update for downsampled SBR Add missing support for downsampled SBR in libFDK Bug 9428126 Change-Id: Idb732f8d31a115d36dd4b22916599db7fab98cae --- libSBRdec/src/sbr_dec.cpp | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'libSBRdec/src/sbr_dec.cpp') diff --git a/libSBRdec/src/sbr_dec.cpp b/libSBRdec/src/sbr_dec.cpp index e5922f1..1282338 100644 --- a/libSBRdec/src/sbr_dec.cpp +++ b/libSBRdec/src/sbr_dec.cpp @@ -760,6 +760,8 @@ createSbrDec (SBR_CHANNEL * hSbrChannel, */ { int qmfErr; + /* Adapted QMF analysis post-twiddles for down-sampled HQ SBR */ + const UINT downSampledFlag = (downsampleFac==2) ? QMF_FLAG_DOWNSAMPLED : 0; qmfErr = qmfInitAnalysisFilterBank ( &hs->AnalysiscQMF, @@ -768,7 +770,7 @@ createSbrDec (SBR_CHANNEL * hSbrChannel, hHeaderData->freqBandData.lowSubband, hHeaderData->freqBandData.highSubband, hHeaderData->numberOfAnalysisBands, - qmfFlags & (~QMF_FLAG_KEEP_STATES) + (qmfFlags & (~QMF_FLAG_KEEP_STATES)) | downSampledFlag ); if (qmfErr != 0) { return SBRDEC_UNSUPPORTED_CONFIG; -- cgit v1.2.3