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-rw-r--r--libFDK/include/FDK_hybrid.h211
-rw-r--r--libFDK/include/arm/clz_arm.h6
-rw-r--r--libFDK/include/fixpoint_math.h12
-rw-r--r--libFDK/include/qmf.h2
4 files changed, 227 insertions, 4 deletions
diff --git a/libFDK/include/FDK_hybrid.h b/libFDK/include/FDK_hybrid.h
new file mode 100644
index 0000000..c5d31ae
--- /dev/null
+++ b/libFDK/include/FDK_hybrid.h
@@ -0,0 +1,211 @@
+/*************************** Fraunhofer IIS FDK Tools **********************
+
+ (C) Copyright Fraunhofer IIS (2011)
+ All Rights Reserved
+
+ Please be advised that this software and/or program delivery is
+ Confidential Information of Fraunhofer and subject to and covered by the
+
+ Fraunhofer IIS Software Evaluation Agreement
+ between Google Inc. and Fraunhofer
+ effective and in full force since March 1, 2012.
+
+ You may use this software and/or program only under the terms and
+ conditions described in the above mentioned Fraunhofer IIS Software
+ Evaluation Agreement. Any other and/or further use requires a separate agreement.
+
+
+ $Id$
+ Author(s): Markus Lohwasser
+ Description: FDK Tools Hybrid Filterbank
+
+ This software and/or program is protected by copyright law and international
+ treaties. Any reproduction or distribution of this software and/or program,
+ or any portion of it, may result in severe civil and criminal penalties, and
+ will be prosecuted to the maximum extent possible under law.
+
+******************************************************************************/
+
+#ifndef __FDK_HYBRID_H
+#define __FDK_HYBRID_H
+
+
+
+#include "common_fix.h"
+
+/*--------------- enums -------------------------------*/
+
+/**
+ * Hybrid Filterband modes.
+ */
+typedef enum {
+ THREE_TO_TEN,
+ THREE_TO_TWELVE,
+ THREE_TO_SIXTEEN
+
+} FDK_HYBRID_MODE;
+
+
+/*--------------- structure definitions ---------------*/
+typedef struct FDK_HYBRID_SETUP *HANDLE_FDK_HYBRID_SETUP;
+
+typedef struct
+{
+ FIXP_DBL *bufferLFReal[3]; /*!< LF real filter states. */
+ FIXP_DBL *bufferLFImag[3]; /*!< LF imag filter states. */
+ FIXP_DBL *bufferHFReal[13]; /*!< HF real delay lines. */
+ FIXP_DBL *bufferHFImag[13]; /*!< HF imag delay lines. */
+
+ INT bufferLFpos; /*!< Position to write incoming data into ringbuffer. */
+ INT bufferHFpos; /*!< Delay line positioning. */
+ INT nrBands; /*!< Number of QMF bands. */
+ INT cplxBands; /*!< Number of complex QMF bands.*/
+ UCHAR hfMode; /*!< Flag signalizes treatment of HF bands. */
+
+ FIXP_DBL *pLFmemory; /*!< Pointer to LF states buffer. */
+ FIXP_DBL *pHFmemory; /*!< Pointer to HF states buffer. */
+
+ UINT LFmemorySize; /*!< Size of LF states buffer. */
+ UINT HFmemorySize; /*!< Size of HF states buffer. */
+
+ HANDLE_FDK_HYBRID_SETUP pSetup; /*!< Pointer to filter setup. */
+
+} FDK_ANA_HYB_FILTER;
+
+
+typedef struct
+{
+ INT nrBands; /*!< Number of QMF bands. */
+ INT cplxBands; /*!< Number of complex QMF bands.*/
+
+ HANDLE_FDK_HYBRID_SETUP pSetup; /*!< Pointer to filter setup. */
+
+} FDK_SYN_HYB_FILTER;
+
+typedef FDK_ANA_HYB_FILTER *HANDLE_FDK_ANA_HYB_FILTER;
+typedef FDK_SYN_HYB_FILTER *HANDLE_FDK_SYN_HYB_FILTER;
+
+
+/**
+ * \brief Create one instance of Hybrid Analyis Filterbank.
+ *
+ * \param hAnalysisHybFilter Pointer to an outlying allocated Hybrid Analysis Filterbank structure.
+ * \param pLFmemory Pointer to outlying buffer used LF filtering.
+ * \param LFmemorySize Size of pLFmemory in bytes.
+ * \param pHFmemory Pointer to outlying buffer used HF delay line.
+ * \param HFmemorySize Size of pLFmemory in bytes.
+ *
+ * \return 0 on success.
+ */
+INT FDKhybridAnalysisOpen(
+ HANDLE_FDK_ANA_HYB_FILTER hAnalysisHybFilter,
+ FIXP_DBL *const pLFmemory,
+ const UINT LFmemorySize,
+ FIXP_DBL *const pHFmemory,
+ const UINT HFmemorySize
+ );
+
+
+/**
+ * \brief Initialize and configure Hybrdid Analysis Filterbank instance.
+ *
+ * \param hAnalysisHybFilter A Hybrid Analysis Filterbank handle.
+ * \param mode Select hybrid filter configuration.
+ * \param qmfBands Number of qmf bands to be processed.
+ * \param cplxBands Number of complex qmf bands to be processed.
+ * \param initStatesFlag Indicates whether the states buffer has to be cleared.
+ *
+ * \return 0 on success.
+ */
+INT FDKhybridAnalysisInit(
+ HANDLE_FDK_ANA_HYB_FILTER hAnalysisHybFilter,
+ const FDK_HYBRID_MODE mode,
+ const INT qmfBands,
+ const INT cplxBands,
+ const INT initStatesFlag
+ );
+
+
+/**
+ * \brief Adjust Hybrdid Analysis Filterbank states.
+ *
+ * \param hAnalysisHybFilter A Hybrid Analysis Filterbank handle.
+ * \param scalingValue Scaling value to be applied on filter states.
+ *
+ * \return 0 on success.
+ */
+INT FDKhybridAnalysisScaleStates(
+ HANDLE_FDK_ANA_HYB_FILTER hAnalysisHybFilter,
+ const INT scalingValue
+ );
+
+
+/**
+ * \brief Apply Hybrid Analysis Filterbank on Qmf input data.
+ *
+ * \param hAnalysisHybFilter A Hybrid Analysis Filterbank handle.
+ * \param pQmfReal Qmf input data.
+ * \param pQmfImag Qmf input data.
+ * \param pHybridReal Hybrid output data.
+ * \param pHybridImag Hybrid output data.
+ *
+ * \return 0 on success.
+ */
+INT FDKhybridAnalysisApply(
+ HANDLE_FDK_ANA_HYB_FILTER hAnalysisHybFilter,
+ const FIXP_DBL *const pQmfReal,
+ const FIXP_DBL *const pQmfImag,
+ FIXP_DBL *const pHybridReal,
+ FIXP_DBL *const pHybridImag
+ );
+
+
+/**
+ * \brief Close a Hybrid Analysis Filterbank instance.
+ *
+ * \param hAnalysisHybFilter Pointer to a Hybrid Analysis Filterbank instance.
+ *
+ * \return 0 on success.
+ */
+INT FDKhybridAnalysisClose(
+ HANDLE_FDK_ANA_HYB_FILTER hAnalysisHybFilter
+ );
+
+/**
+ * \brief Initialize and configure Hybrdid Synthesis Filterbank instance.
+ *
+ * \param hSynthesisHybFilter A Hybrid Synthesis Filterbank handle.
+ * \param mode Select hybrid filter configuration.
+ * \param qmfBands Number of qmf bands to be processed.
+ * \param cplxBands Number of complex qmf bands to be processed.
+ *
+ * \return 0 on success.
+ */
+INT FDKhybridSynthesisInit(
+ HANDLE_FDK_SYN_HYB_FILTER hSynthesisHybFilter,
+ const FDK_HYBRID_MODE mode,
+ const INT qmfBands,
+ const INT cplxBands
+ );
+
+/**
+ * \brief Apply Hybrid Analysis Filterbank on Hybrid data.
+ *
+ * \param hSynthesisHybFilter A Hybrid Analysis Filterbandk handle.
+ * \param pHybridReal Hybrid input data.
+ * \param pHybridImag Hybrid input data.
+ * \param pQmfReal Qmf output data.
+ * \param pQmfImag Qmf output data.
+ *
+ * \return 0 on success.
+ */
+INT FDKhybridSynthesisApply(
+ HANDLE_FDK_SYN_HYB_FILTER hSynthesisHybFilter,
+ const FIXP_DBL *const pHybridReal,
+ const FIXP_DBL *const pHybridImag,
+ FIXP_DBL *const pQmfReal,
+ FIXP_DBL *const pQmfImag
+ );
+
+
+#endif /* __FDK_HYBRID_H */
diff --git a/libFDK/include/arm/clz_arm.h b/libFDK/include/arm/clz_arm.h
index d3c3e04..e81d0ae 100644
--- a/libFDK/include/arm/clz_arm.h
+++ b/libFDK/include/arm/clz_arm.h
@@ -43,12 +43,12 @@
inline INT fixnorm_D(LONG value)
{
INT result;
- if (value < 0) {
- value = ~value;
- }
if (value == 0) {
return 0;
}
+ if (value < 0) {
+ value = ~value;
+ }
result = fixnormz_D(value);
return result - 1;
}
diff --git a/libFDK/include/fixpoint_math.h b/libFDK/include/fixpoint_math.h
index 0d0a059..2552be6 100644
--- a/libFDK/include/fixpoint_math.h
+++ b/libFDK/include/fixpoint_math.h
@@ -206,6 +206,18 @@ FIXP_DBL fMultNorm(
INT *result_e
);
+inline FIXP_DBL fMultNorm(FIXP_DBL f1, FIXP_DBL f2)
+{
+ FIXP_DBL m;
+ INT e;
+
+ m = fMultNorm(f1, f2, &e);
+
+ m = scaleValueSaturate(m, e);
+
+ return m;
+}
+
/**
* \brief Divide 2 FIXP_DBL values with normalization of input values.
* \param num numerator
diff --git a/libFDK/include/qmf.h b/libFDK/include/qmf.h
index 89c1061..85b5fb5 100644
--- a/libFDK/include/qmf.h
+++ b/libFDK/include/qmf.h
@@ -25,7 +25,7 @@
*******************************************************************************/
/*!
\file qmf.h
- \brief Complex qmf analysis/synthesis $Revision: 36871 $
+ \brief Complex qmf analysis/synthesis $Revision: 37444 $
\author Markus Werner
*/
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-05 18:38:31 +0000