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-rw-r--r--libSBRdec/src/sbrdecoder.cpp19
1 files changed, 16 insertions, 3 deletions
diff --git a/libSBRdec/src/sbrdecoder.cpp b/libSBRdec/src/sbrdecoder.cpp
index a40e5ba..192bdd2 100644
--- a/libSBRdec/src/sbrdecoder.cpp
+++ b/libSBRdec/src/sbrdecoder.cpp
@@ -137,7 +137,7 @@ amm-info@iis.fraunhofer.de
/* Decoder library info */
#define SBRDECODER_LIB_VL0 2
#define SBRDECODER_LIB_VL1 1
-#define SBRDECODER_LIB_VL2 2
+#define SBRDECODER_LIB_VL2 3
#define SBRDECODER_LIB_TITLE "SBR Decoder"
#define SBRDECODER_LIB_BUILD_DATE __DATE__
#define SBRDECODER_LIB_BUILD_TIME __TIME__
@@ -533,7 +533,7 @@ SBR_ERROR sbrDecoder_InitElement (
FDKmemclear(self->pSbrElement[elementIndex]->frameErrorFlag, ((1)+1)*sizeof(UCHAR));
/* Initialize this instance */
- sbrError = sbrDecoder_ResetElement(
+ sbrError = sbrDecoder_ResetElement(
self,
sampleRateIn,
sampleRateOut,
@@ -577,7 +577,7 @@ SBR_ERROR sbrDecoder_HeaderUpdate(
)
{
SBR_ERROR errorStatus = SBRDEC_OK;
-
+
/*
change of control data, reset decoder
*/
@@ -818,6 +818,7 @@ SBR_ERROR sbrDecoder_drcFeedChannel ( HANDLE_SBRDECODER self,
USHORT *pBandTop )
{
SBRDEC_DRC_CHANNEL *pSbrDrcChannelData = NULL;
+ int band, isValidData = 0;
if (self == NULL) {
return SBRDEC_NOT_INITIALIZED;
@@ -826,10 +827,21 @@ SBR_ERROR sbrDecoder_drcFeedChannel ( HANDLE_SBRDECODER self,
return SBRDEC_SET_PARAM_FAIL;
}
+ /* Search for gain values different to 1.0f */
+ for (band = 0; band < numBands; band += 1) {
+ if ( !((pNextFact_mag[band] == FL2FXCONST_DBL(0.5)) && (nextFact_exp == 1))
+ && !((pNextFact_mag[band] == (FIXP_DBL)MAXVAL_DBL) && (nextFact_exp == 0)) ) {
+ isValidData = 1;
+ break;
+ }
+ }
+
/* Find the right SBR channel */
pSbrDrcChannelData = sbrDecoder_drcGetChannel( self, ch );
if ( pSbrDrcChannelData != NULL ) {
+ if ( pSbrDrcChannelData->enable || isValidData )
+ { /* Activate processing only with real and valid data */
int i;
pSbrDrcChannelData->enable = 1;
@@ -844,6 +856,7 @@ SBR_ERROR sbrDecoder_drcFeedChannel ( HANDLE_SBRDECODER self,
pSbrDrcChannelData->nextFact_mag[i] = pNextFact_mag[i];
}
}
+ }
return SBRDEC_OK;
}