diff options
Diffstat (limited to 'libSBRdec/src/sbr_dec.cpp')
| -rw-r--r-- | libSBRdec/src/sbr_dec.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
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; |