/* ------------------------------------------------------------------ * Copyright (C) 1998-2009 PacketVideo * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either * express or implied. * See the License for the specific language governing permissions * and limitations under the License. * ------------------------------------------------------------------- */ /* Pathname: qmf_filterbank_coeff.h ------------------------------------------------------------------------------ REVISION HISTORY ------------------------------------------------------------------------------ INCLUDE DESCRIPTION this file declares the scalefactor bands for all sampling rates ------------------------------------------------------------------------------ */ /*---------------------------------------------------------------------------- ; CONTINUE ONLY IF NOT ALREADY DEFINED ----------------------------------------------------------------------------*/ #ifndef QMF_FILTERBANK_COEFF_H #define QMF_FILTERBANK_COEFF_H /*---------------------------------------------------------------------------- ; INCLUDES ----------------------------------------------------------------------------*/ #include "pv_audio_type_defs.h" /*---------------------------------------------------------------------------- ; MACROS ; Define module specific macros here ----------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------- ; DEFINES ; Include all pre-processor statements here. ----------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------- ; EXTERNAL VARIABLES REFERENCES ; Declare variables used in this module but defined elsewhere ----------------------------------------------------------------------------*/ #define Qfmt(x) (Int16)(x*(((Int32)1<<15)*1.11111111111111111F) + (x>=0?0.5F:-0.5F)) #define Qfmt30(x) (Int32)(x*((Int32)1<<30) + (x>=0?0.5F:-0.5F)) #define Qfmt27(x) (Int32)(x*(((Int32)1<<27)) + (x>=0?0.5F:-0.5F)) extern const Int32 sbrDecoderFilterbankCoefficients[155]; extern const Int32 sbrDecoderFilterbankCoefficients_down_smpl[160]; extern const Int32 sbrDecoderFilterbankCoefficients_an_filt_LC[155]; #ifdef HQ_SBR extern const Int32 sbrDecoderFilterbankCoefficients_an_filt[155]; #endif /*---------------------------------------------------------------------------- ; SIMPLE TYPEDEF'S ----------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------- ; ENUMERATED TYPEDEF'S ----------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------- ; STRUCTURES TYPEDEF'S ----------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------- ; GLOBAL FUNCTION DEFINITIONS ; Function Prototype declaration ----------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------- ; END ----------------------------------------------------------------------------*/ #endif