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authorJean-Michel Trivi <jmtrivi@google.com>2013-08-27 15:57:28 -0700
committerJean-Michel Trivi <jmtrivi@google.com>2013-08-27 15:57:28 -0700
commit3a0a695565d1d360f9a82173469c8ef858bc08a0 (patch)
tree11ca521b5ca3b674f02a605d0fc08d11624b205f /libSBRdec/src/sbr_dec.cpp
parent16c472c201c197d3660334df5952eb4084897f9f (diff)
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FDK update for downsampled SBR
Add missing support for downsampled SBR in libFDK Bug 9428126 Change-Id: Idb732f8d31a115d36dd4b22916599db7fab98cae
Diffstat (limited to 'libSBRdec/src/sbr_dec.cpp')
-rw-r--r--libSBRdec/src/sbr_dec.cpp4
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;