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Searched refs:FIXP_DBL (Results 1 – 25 of 179) sorted by relevance

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/external/aac/libFDK/include/
Dfixmadd.h115 inline FIXP_DBL fixmadddiv2_DD (FIXP_DBL x, const FIXP_DBL a, const FIXP_DBL b) in fixmadddiv2_DD()
120 inline FIXP_DBL fixmadddiv2_SD (FIXP_DBL x, const FIXP_SGL a, const FIXP_DBL b) { in fixmadddiv2_SD()
130 inline FIXP_DBL fixmadddiv2_DS (FIXP_DBL x, const FIXP_DBL a, const FIXP_SGL b) { in fixmadddiv2_DS()
140 inline FIXP_DBL fixmadddiv2_SS (FIXP_DBL x, const FIXP_SGL a, const FIXP_SGL b) in fixmadddiv2_SS()
145 inline FIXP_DBL fixmsubdiv2_DD (FIXP_DBL x, const FIXP_DBL a, const FIXP_DBL b) in fixmsubdiv2_DD()
150 inline FIXP_DBL fixmsubdiv2_SD (FIXP_DBL x, const FIXP_SGL a, const FIXP_DBL b) { in fixmsubdiv2_SD()
160 inline FIXP_DBL fixmsubdiv2_DS (FIXP_DBL x, const FIXP_DBL a, const FIXP_SGL b) { in fixmsubdiv2_DS()
170 inline FIXP_DBL fixmsubdiv2_SS (FIXP_DBL x, const FIXP_SGL a, const FIXP_SGL b) in fixmsubdiv2_SS()
177 inline FIXP_DBL fixmadddiv2BitExact_DD (FIXP_DBL x, const FIXP_DBL a, const FIXP_DBL b) { in fixmadddiv2BitExact_DD()
183 inline FIXP_DBL fixmadddiv2BitExact_SD (FIXP_DBL x, const FIXP_SGL a, const FIXP_DBL b) { in fixmadddiv2BitExact_SD()
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Dfixpoint_math.h106 FDK_INLINE INT fIsLessThan(FIXP_DBL a_m, INT a_e, FIXP_DBL b_m, INT b_e) in fIsLessThan()
133 FIXP_DBL CalcLdData(FIXP_DBL op);
135 void LdDataVector(FIXP_DBL *srcVector, FIXP_DBL *destVector, INT number);
137 FIXP_DBL CalcInvLdData(FIXP_DBL op);
141 FIXP_DBL CalcLdInt(INT i);
145 inline FIXP_DBL sqrtFixp_lookup(FIXP_DBL x) in sqrtFixp_lookup()
159 inline FIXP_DBL sqrtFixp_lookup(FIXP_DBL x, INT *x_e) in sqrtFixp_lookup()
164 if (x == (FIXP_DBL)0) { in sqrtFixp_lookup()
186 return (FIXP_DBL)(LONG)(t>>1); in sqrtFixp_lookup()
191 FIXP_DBL sqrtFixp(FIXP_DBL op);
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Dcplx_mul.h111 inline void cplxMultDiv2( FIXP_DBL *c_Re, in cplxMultDiv2()
112 FIXP_DBL *c_Im, in cplxMultDiv2()
113 const FIXP_DBL a_Re, in cplxMultDiv2()
114 const FIXP_DBL a_Im, in cplxMultDiv2()
126 inline void cplxMultDiv2( FIXP_DBL *c_Re, in cplxMultDiv2()
127 FIXP_DBL *c_Im, in cplxMultDiv2()
128 const FIXP_DBL a_Re, in cplxMultDiv2()
129 const FIXP_DBL a_Im, in cplxMultDiv2()
139 inline void cplxMultAddDiv2( FIXP_DBL *c_Re, in cplxMultAddDiv2()
140 FIXP_DBL *c_Im, in cplxMultAddDiv2()
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Dcommon_fix.h111 #define FIXP_PCM FIXP_DBL
112 #define FX_PCM2FX_DBL(x) ((FIXP_DBL)(x))
149 typedef LONG FIXP_DBL; typedef
163 (FIXP_DBL)( ( (val) >= 0) ? …
174 #define FX_ACC2FX_DBL(val) ((FIXP_DBL)((val)>>(ACCU_BITS-DFRACT_BITS)))
176 #define FX_SGL2FX_DBL(val) ((FIXP_DBL)((LONG)(val)<<(DFRACT_BITS-FRACT_BITS)))
223 FDK_INLINE FIXP_DBL fAbs(FIXP_DBL x) in fAbs()
238 FDK_INLINE INT fNormz(FIXP_DBL x) in fNormz()
242 FDK_INLINE INT fNorm(FIXP_DBL x) in fNorm()
262 FDK_INLINE FIXP_DBL fMultAddDiv2(FIXP_DBL x, FIXP_DBL a, FIXP_DBL b) in fMultAddDiv2()
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DFDK_trigFcts.h98 #define Q(format) ((FIXP_DBL)(((LONG)1) << (format)))
121 FIXP_DBL fixp_atan(FIXP_DBL x);
122 FIXP_DBL fixp_atan2(FIXP_DBL y, FIXP_DBL x);
124 FIXP_DBL fixp_cos(FIXP_DBL x, int scale);
125 FIXP_DBL fixp_sin(FIXP_DBL x, int scale);
144 static inline FIXP_DBL fixp_sin_cos_residual_inline(FIXP_DBL x, int scale, FIXP_DBL *sine, FIXP_DBL… in fixp_sin_cos_residual_inline()
146 FIXP_DBL residual; in fixp_sin_cos_residual_inline()
194 *sine = (FIXP_DBL)((sl * ssign) << (DFRACT_BITS-FRACT_BITS)); in fixp_sin_cos_residual_inline()
195 *cosine = (FIXP_DBL)((cl * csign) << (DFRACT_BITS-FRACT_BITS)); in fixp_sin_cos_residual_inline()
197 *sine = (FIXP_DBL)(sl * ssign); in fixp_sin_cos_residual_inline()
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Dautocorr2nd.h99 FIXP_DBL r00r;
100 FIXP_DBL r11r;
101 FIXP_DBL r22r;
102 FIXP_DBL r01r;
103 FIXP_DBL r02r;
104 FIXP_DBL r12r;
105 FIXP_DBL r01i;
106 FIXP_DBL r02i;
107 FIXP_DBL r12i;
108 FIXP_DBL det;
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DFDK_hybrid.h116 FIXP_DBL *bufferLFReal[3]; /*!< LF real filter states. */
117 FIXP_DBL *bufferLFImag[3]; /*!< LF imag filter states. */
118 FIXP_DBL *bufferHFReal[13]; /*!< HF real delay lines. */
119 FIXP_DBL *bufferHFImag[13]; /*!< HF imag delay lines. */
127 FIXP_DBL *pLFmemory; /*!< Pointer to LF states buffer. */
128 FIXP_DBL *pHFmemory; /*!< Pointer to HF states buffer. */
164 FIXP_DBL *const pLFmemory,
166 FIXP_DBL *const pHFmemory,
218 const FIXP_DBL *const pQmfReal,
219 const FIXP_DBL *const pQmfImag,
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/external/aac/libFDK/src/
Dfixpoint_math.cpp100 static const FIXP_DBL ldCoeff[MAX_LD_PRECISION] = {
142 FIXP_DBL CalcLdData(FIXP_DBL op) in CalcLdData()
152 void LdDataVector( FIXP_DBL *srcVector, in LdDataVector()
153 FIXP_DBL *destVector, in LdDataVector()
180 static const FIXP_DBL pow2Coeff[MAX_POW2_PRECISION] = {
216 FIXP_DBL mul_dbl_sgl_rnd (const FIXP_DBL op1, const FIXP_SGL op2) in mul_dbl_sgl_rnd()
218 FIXP_DBL prod; in mul_dbl_sgl_rnd()
228 return((FIXP_DBL)prod); in mul_dbl_sgl_rnd()
286 LNK_SECTION_CODE_L1 FIXP_DBL CalcInvLdData(FIXP_DBL x) in CalcInvLdData()
300 UINT lookup3f = lookup3 + (UINT)(LONG)fMultDiv2((FIXP_DBL)(0x0016302F),(FIXP_SGL)frac); in CalcInvLdData()
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DFDK_trigFcts.cpp103 static const FIXP_DBL f_atan_expand_range[MAXSFTAB-(MINSFTAB-1)] =
132 FIXP_DBL fixp_atan2(FIXP_DBL y, FIXP_DBL x) in fixp_atan2()
134 FIXP_DBL q; in fixp_atan2()
135 FIXP_DBL at; // atan out in fixp_atan2()
136 FIXP_DBL at2; // atan2 out in fixp_atan2()
137 FIXP_DBL ret = FL2FXCONST_DBL(-1.0f); in fixp_atan2()
239 FIXP_DBL fixp_atan(FIXP_DBL x) in fixp_atan()
242 FIXP_DBL result, temp; in fixp_atan()
245 FIXP_DBL ONEBY3P56 = (FIXP_DBL)0x26800000; // 1.0/3.56 in q31 in fixp_atan()
246 FIXP_DBL P281 = (FIXP_DBL)0x00013000; // 0.281 in q18 in fixp_atan()
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/external/aac/libAACenc/src/
Dpsy_configuration.cpp288 static FIXP_DBL FDKaacEnc_BarcLineValue(INT noOfLines, INT fftLine, LONG samplingFreq) in FDKaacEnc_BarcLineValue()
291 FIXP_DBL FOURBY3EM4 = (FIXP_DBL)0x45e7b273; /* 4.0/3 * 0.0001 in q43 */ in FDKaacEnc_BarcLineValue()
292 FIXP_DBL PZZZ76 = (FIXP_DBL)0x639d5e4a; /* 0.00076 in q41 */ in FDKaacEnc_BarcLineValue()
293 FIXP_DBL ONE3P3 = (FIXP_DBL)0x35333333; /* 13.3 in q26 */ in FDKaacEnc_BarcLineValue()
294 FIXP_DBL THREEP5 = (FIXP_DBL)0x1c000000; /* 3.5 in q27 */ in FDKaacEnc_BarcLineValue()
295 FIXP_DBL INV480 = (FIXP_DBL)0x44444444; // 1/480 in q39 in FDKaacEnc_BarcLineValue()
297 FIXP_DBL center_freq, x1, x2; in FDKaacEnc_BarcLineValue()
298 FIXP_DBL bvalFFTLine, atan1, atan2; in FDKaacEnc_BarcLineValue()
320 center_freq = (FIXP_DBL)0; in FDKaacEnc_BarcLineValue()
343 FIXP_DBL *sfbPCMquantThreshold) in FDKaacEnc_InitMinPCMResolution()
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Dmetadata_compressor.cpp133 FIXP_DBL x1;
134 FIXP_DBL x2;
135 FIXP_DBL y1;
136 FIXP_DBL y2;
144 FIXP_DBL maxBoostThr[2]; /*!< Max boost threshold. */
145 FIXP_DBL boostThr[2]; /*!< Boost threshold. */
146 FIXP_DBL earlyCutThr[2]; /*!< Early cut threshold. */
147 FIXP_DBL cutThr[2]; /*!< Cut threshold. */
148 FIXP_DBL maxCutThr[2]; /*!< Max cut threshold. */
150 FIXP_DBL boostFac[2]; /*!< Precalculated factor for boost compression. */
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Dband_nrg.h99 const FIXP_DBL *mdctSpectrum,
105 FIXP_DBL
107 const FIXP_DBL *mdctSpectrum,
111 FIXP_DBL *bandEnergy,
112 FIXP_DBL *bandEnergyLdData,
118 const FIXP_DBL *mdctSpectrum,
122 FIXP_DBL *bandEnergy,
123 FIXP_DBL *bandEnergyLdData
128 const FIXP_DBL *mdctSpectrum,
132 FIXP_DBL *bandEnergy
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Dtonality.cpp94 static const FIXP_DBL normlog = (FIXP_DBL)0xd977d949; /*FL2FXCONST_DBL(-0.4342944819f * FDKlog(2.0)…
96 static void FDKaacEnc_CalcSfbTonality(FIXP_DBL *RESTRICT spectrum,
98 FIXP_DBL *RESTRICT chaosMeasure,
102 FIXP_DBL *RESTRICT sfbEnergyLD64 );
105 void FDKaacEnc_CalculateFullTonality(FIXP_DBL *RESTRICT spectrum, in FDKaacEnc_CalculateFullTonality()
107 FIXP_DBL *RESTRICT sfbEnergyLD64, in FDKaacEnc_CalculateFullTonality()
118 FIXP_DBL alpha_0 = FL2FXCONST_DBL(0.25f); /* used in smooth ChaosMeasure */ in FDKaacEnc_CalculateFullTonality()
119 FIXP_DBL alpha_1 = FL2FXCONST_DBL(1.0f-0.25f); /* used in smooth ChaosMeasure */ in FDKaacEnc_CalculateFullTonality()
126 C_ALLOC_SCRATCH_START(chaosMeasurePerLine, FIXP_DBL, (1024)); in FDKaacEnc_CalculateFullTonality()
134 FIXP_DBL tmp = fMultDiv2(alpha_1, chaosMeasurePerLine[j]); in FDKaacEnc_CalculateFullTonality()
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Dband_nrg.cpp101 FDKaacEnc_CalcSfbMaxScaleSpec(const FIXP_DBL *RESTRICT mdctSpectrum, in FDKaacEnc_CalcSfbMaxScaleSpec()
107 FIXP_DBL maxSpc, tmp; in FDKaacEnc_CalcSfbMaxScaleSpec()
110 maxSpc = (FIXP_DBL)0; in FDKaacEnc_CalcSfbMaxScaleSpec()
115 sfbMaxScaleSpec[i] = (maxSpc==(FIXP_DBL)0) ? (DFRACT_BITS-2) : CntLeadingZeros(maxSpc)-1; in FDKaacEnc_CalcSfbMaxScaleSpec()
126 FIXP_DBL
127 FDKaacEnc_CheckBandEnergyOptim(const FIXP_DBL *RESTRICT mdctSpectrum, in FDKaacEnc_CheckBandEnergyOptim()
131 FIXP_DBL *RESTRICT bandEnergy, in FDKaacEnc_CheckBandEnergyOptim()
132 FIXP_DBL *RESTRICT bandEnergyLdData, in FDKaacEnc_CheckBandEnergyOptim()
136 FIXP_DBL maxNrgLd = FL2FXCONST_DBL(-1.0f); in FDKaacEnc_CheckBandEnergyOptim()
137 FIXP_DBL maxNrg = 0; in FDKaacEnc_CheckBandEnergyOptim()
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Dadj_thr_data.h98 FIXP_DBL clipSaveLow, clipSaveHigh;
99 FIXP_DBL minBitSave, maxBitSave;
100 FIXP_DBL clipSpendLow, clipSpendHigh;
101 FIXP_DBL minBitSpend, maxBitSpend;
110 FIXP_DBL maxRed;
111 FIXP_DBL startRatio;
112 FIXP_DBL maxRatio;
113 FIXP_DBL redRatioFac;
114 FIXP_DBL redOffs;
123 FIXP_DBL bits2PeFactor_m;
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/external/aac/libSBRdec/src/
Dpsdec.h164 #define FIXP_SQRT05 ((FIXP_DBL)0x5a827980) /* 1/SQRT2 */
168 …FIXP_DBL H11r[NO_IID_GROUPS]; /*!< coefficients of the sub-subband groups …
169 …FIXP_DBL H12r[NO_IID_GROUPS]; /*!< coefficients of the sub-subband groups …
170 …FIXP_DBL H21r[NO_IID_GROUPS]; /*!< coefficients of the sub-subband groups …
171 …FIXP_DBL H22r[NO_IID_GROUPS]; /*!< coefficients of the sub-subband groups …
173 …FIXP_DBL DeltaH11r[NO_IID_GROUPS]; /*!< coefficients of the sub-subband groups …
174 …FIXP_DBL DeltaH12r[NO_IID_GROUPS]; /*!< coefficients of the sub-subband groups …
175 …FIXP_DBL DeltaH21r[NO_IID_GROUPS]; /*!< coefficients of the sub-subband groups …
176 …FIXP_DBL DeltaH22r[NO_IID_GROUPS]; /*!< coefficients of the sub-subband groups …
271 …FIXP_DBL aaQmfDelayBufReal[(NO_QMF_CHANNELS-FIRST_DELAY_SB) + (MAX_DELAY_BUFFER_SIZE-1)*(NO_DELAY_…
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Dpsdec_hybrid.cpp169 static void slotBasedDualChannelFiltering( const FIXP_DBL *pQmfReal, in slotBasedDualChannelFiltering()
170 const FIXP_DBL *pQmfImag, in slotBasedDualChannelFiltering()
172 FIXP_DBL *mHybridReal, in slotBasedDualChannelFiltering()
173 FIXP_DBL *mHybridImag) in slotBasedDualChannelFiltering()
176 FIXP_DBL t1, t3, t5, t6; in slotBasedDualChannelFiltering()
352 #define FIXP_HYB FIXP_DBL
374 static void slotBasedEightChannelFiltering( const FIXP_DBL *pQmfReal, in slotBasedEightChannelFiltering()
375 const FIXP_DBL *pQmfImag, in slotBasedEightChannelFiltering()
377 FIXP_DBL *mHybridReal, in slotBasedEightChannelFiltering()
378 FIXP_DBL *mHybridImag) in slotBasedEightChannelFiltering()
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Dpsdec_hybrid.h123 FIXP_DBL mQmfBufferRealSlot[3][HYBRID_FILTER_LENGTH]; /**< Stores old Qmf samples. */
124 FIXP_DBL mQmfBufferImagSlot[3][HYBRID_FILTER_LENGTH];
132 fillHybridDelayLine( FIXP_DBL **fixpQmfReal,
133 FIXP_DBL **fixpQmfImag,
134 FIXP_DBL fixpHybridLeftR[12],
135 FIXP_DBL fixpHybridLeftI[12],
136 FIXP_DBL fixpHybridRightR[12],
137 FIXP_DBL fixpHybridRightI[12],
141 slotBasedHybridAnalysis ( FIXP_DBL *fixpQmfReal,
142 FIXP_DBL *fixpQmfImag,
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/external/aac/libFDK/include/arm/
Dfixmadd_arm.h101 inline FIXP_DBL fixmadddiv2_DD (FIXP_DBL x, const FIXP_DBL a, const FIXP_DBL b) { in fixmadddiv2_DD()
109 inline FIXP_DBL fixmsubdiv2_DD (FIXP_DBL x, const FIXP_DBL a, const FIXP_DBL b) { in fixmsubdiv2_DD()
117 inline FIXP_DBL fixmadddiv2_DD (FIXP_DBL x, const FIXP_DBL a, const FIXP_DBL b) { in fixmadddiv2_DD()
130 inline FIXP_DBL fixmadddiv2_DS (FIXP_DBL x, const FIXP_DBL a, const FIXP_SGL b) { in fixmadddiv2_DS()
144 inline FIXP_DBL fixmsubdiv2BitExact_DD (FIXP_DBL x, const FIXP_DBL a, const FIXP_DBL b) { in fixmsubdiv2BitExact_DD()
152 inline FIXP_DBL fixmsubdiv2BitExact_DS (FIXP_DBL x, const FIXP_DBL a, const FIXP_SGL b) { in fixmsubdiv2BitExact_DS()
Dcplx_mul.h104 inline void cplxMultDiv2( FIXP_DBL *c_Re, in cplxMultDiv2()
105 FIXP_DBL *c_Im, in cplxMultDiv2()
106 const FIXP_DBL a_Re, in cplxMultDiv2()
107 const FIXP_DBL a_Im, in cplxMultDiv2()
128 inline void cplxMultDiv2( FIXP_DBL *c_Re, in cplxMultDiv2()
129 FIXP_DBL *c_Im, in cplxMultDiv2()
130 const FIXP_DBL a_Re, in cplxMultDiv2()
131 const FIXP_DBL a_Im, in cplxMultDiv2()
152 inline void cplxMultAddDiv2( FIXP_DBL *c_Re, in cplxMultAddDiv2()
153 FIXP_DBL *c_Im, in cplxMultAddDiv2()
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/external/aac/libSBRenc/src/
Dsbr_ram.h103 #define ENV_TRANSIENTS_BYTE ( (sizeof(FIXP_DBL)*(MAX_NUM_CHANNELS*3*QMF_MAX_TIME_SLOTS)) )
105 #define ENV_R_BUFF_BYTE ( (sizeof(FIXP_DBL)*((QMF_MAX_TIME_SLOTS) * MAX_HYBRID_BANDS)) )
106 #define ENV_I_BUFF_BYTE ( (sizeof(FIXP_DBL)*((QMF_MAX_TIME_SLOTS) * MAX_HYBRID_BANDS)) )
107 #define Y_BUF_CH_BYTE ( (2*sizeof(FIXP_DBL)*((QMF_MAX_TIME_SLOTS) * MAX_HYBRID_BANDS)) )
110 #define ENV_R_BUF_PS_BYTE ( (sizeof(FIXP_DBL)*QMF_MAX_TIME_SLOTS * QMF_CHANNELS / 2) )
111 #define ENV_I_BUF_PS_BYTE ( (sizeof(FIXP_DBL)*QMF_MAX_TIME_SLOTS * QMF_CHANNELS / 2) )
113 #define TON_BUF_CH_BYTE ( (sizeof(FIXP_DBL)*(MAX_NO_OF_ESTIMATES*MAX_FREQ_COEFFS)) )
144 H_ALLOC_MEM(Ram_SbrDynamic_RAM, FIXP_DBL)
150 H_ALLOC_MEM(Ram_Sbr_quotaMatrix, FIXP_DBL)
166 H_ALLOC_MEM(Ram_Sbr_envYBuffer, FIXP_DBL)
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Dps_encode.cpp108 inline void FDKsbrEnc_addFIXP_DBL(const FIXP_DBL *X, const FIXP_DBL *Y, FIXP_DBL *Z, INT n) in FDKsbrEnc_addFIXP_DBL()
151 static const FIXP_DBL iidQuant_fx[15] = {
152 …FIXP_DBL)0xce000000, (FIXP_DBL)0xdc000000, (FIXP_DBL)0xe4000000, (FIXP_DBL)0xec000000, (FIXP_DBL)0…
153 …(FIXP_DBL)0x04000000, (FIXP_DBL)0x08000000, (FIXP_DBL)0x0e000000, (FIXP_DBL)0x14000000, (FIXP_DBL)…
156 static const FIXP_DBL iidQuantFine_fx[31] = {
157 …FIXP_DBL)0x9c000001, (FIXP_DBL)0xa6000001, (FIXP_DBL)0xb0000001, (FIXP_DBL)0xba000001, (FIXP_DBL)0…
158 …FIXP_DBL)0xe0000000, (FIXP_DBL)0xe6000000, (FIXP_DBL)0xec000000, (FIXP_DBL)0xf0000000, (FIXP_DBL)0…
159 …FIXP_DBL)0x04000000, (FIXP_DBL)0x08000000, (FIXP_DBL)0x0c000000, (FIXP_DBL)0x10000000, (FIXP_DBL)0…
160 …(FIXP_DBL)0x2c000000, (FIXP_DBL)0x32000000, (FIXP_DBL)0x3c000000, (FIXP_DBL)0x45ffffff, (FIXP_DBL)…
165 static const FIXP_DBL iccQuant[8] = {
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Dinvf_est.h98 const FIXP_DBL *quantStepsSbr;
99 const FIXP_DBL *quantStepsOrig;
100 const FIXP_DBL *nrgBorders;
112 FIXP_DBL origQuotaMean[INVF_SMOOTHING_LENGTH+1];
113 FIXP_DBL sbrQuotaMean[INVF_SMOOTHING_LENGTH+1];
114 FIXP_DBL origQuotaMeanStrongest[INVF_SMOOTHING_LENGTH+1];
115 FIXP_DBL sbrQuotaMeanStrongest[INVF_SMOOTHING_LENGTH+1];
117 FIXP_DBL origQuotaMeanFilt;
118 FIXP_DBL sbrQuotaMeanFilt;
119 FIXP_DBL origQuotaMeanStrongestFilt;
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Dmh_det.h97 FIXP_DBL thresHoldDiff; /*!< threshold for tonality difference */
98 FIXP_DBL thresHoldDiffGuide; /*!< threshold for tonality difference for the guide */
99 FIXP_DBL thresHoldTone; /*!< threshold for tonality for a sine */
100 FIXP_DBL invThresHoldTone;
101 FIXP_DBL thresHoldToneGuide; /*!< threshold for tonality for a sine for the guide */
102 FIXP_DBL sfmThresSbr; /*!< tonality flatness measure threshold for the SBR signal.*/
103 FIXP_DBL sfmThresOrig; /*!< tonality flatness measure threshold for the original signal.*/
104 FIXP_DBL decayGuideOrig; /*!< decay value of the tonality value of the guide for the tone. */
105 …FIXP_DBL decayGuideDiff; /*!< decay value of the tonality value of the guide for the tonality …
106 FIXP_DBL derivThresMaxLD64; /*!< threshold for detecting LP character in a signal. */
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Dtran_det.cpp95 #define ABS_THRES ((FIXP_DBL)16)
111 static FIXP_DBL spectralChange(FIXP_DBL Energies[NUMBER_TIME_SLOTS_2304][MAX_FREQ_COEFFS], in spectralChange()
113 FIXP_DBL EnergyTotal, in spectralChange()
125 FIXP_DBL tmp0,tmp1; in spectralChange()
126 FIXP_DBL accu1,accu2,accu1_init,accu2_init; in spectralChange()
127 FIXP_DBL delta, delta_sum; in spectralChange()
137 FIXP_DBL pos_weight; in spectralChange()
139 pos_weight = /*FL2FXCONST_DBL(1.0)*/ (FIXP_DBL)MAXVAL_DBL - (fMult(pos_weight, pos_weight)<<2); in spectralChange()
179 accu1_init = fMult(accu1_init, (FIXP_DBL)len1<<((DFRACT_BITS-1)-NRG_SHIFT-1))<<1; in spectralChange()
180 accu2_init = fMult(accu2_init, (FIXP_DBL)len2<<((DFRACT_BITS-1)-NRG_SHIFT-1))<<1; in spectralChange()
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