diff options
Diffstat (limited to 'libAACenc/src')
| -rw-r--r-- | libAACenc/src/aacenc.cpp | 11 | ||||
| -rw-r--r-- | libAACenc/src/aacenc.h | 1 | ||||
| -rw-r--r-- | libAACenc/src/aacenc_lib.cpp | 2 | ||||
| -rw-r--r-- | libAACenc/src/aacenc_tns.cpp | 23 | ||||
| -rw-r--r-- | libAACenc/src/band_nrg.cpp | 14 | ||||
| -rw-r--r-- | libAACenc/src/grp_data.cpp | 12 | ||||
| -rw-r--r-- | libAACenc/src/line_pe.cpp | 2 | ||||
| -rw-r--r-- | libAACenc/src/qc_main.cpp | 54 | ||||
| -rw-r--r-- | libAACenc/src/quantize.cpp | 32 | ||||
| -rw-r--r-- | libAACenc/src/tns_param.cpp | 93 | ||||
| -rw-r--r-- | libAACenc/src/tns_param.h | 96 |
11 files changed, 86 insertions, 254 deletions
diff --git a/libAACenc/src/aacenc.cpp b/libAACenc/src/aacenc.cpp index 85083cd..d3f36aa 100644 --- a/libAACenc/src/aacenc.cpp +++ b/libAACenc/src/aacenc.cpp @@ -149,7 +149,7 @@ INT FDKaacEnc_LimitBitrate( transportBits = 208; } - bitRate = FDKmax(bitRate, ((((40 * nChannels) + transportBits + frameLength) * (coreSamplingRate)) / frameLength) ); + bitRate = FDKmax(bitRate, ((((40 * nChannels) + transportBits) * (coreSamplingRate)) / frameLength) ); FDK_ASSERT(bitRate >= 0); bitRate = FDKmin(bitRate, ((nChannelsEff * MIN_BUFSIZE_PER_EFF_CHAN)*(coreSamplingRate>>shift)) / (frameLength>>shift)) ; @@ -280,7 +280,7 @@ void FDKaacEnc_AacInitDefaultConfig(AACENC_CONFIG *config) config->useTns = TNS_ENABLE_MASK; /* tns enabled completly */ config->usePns = 1; /* depending on channelBitrate this might be set to 0 later */ config->useIS = 1; /* Intensity Stereo Configuration */ - config->framelength = DEFAULT_FRAMELENGTH; /* used frame size */ + config->framelength = -1; /* Framesize not configured */ config->syntaxFlags = 0; /* default syntax with no specialities */ config->epConfig = -1; /* no ER syntax -> no additional error protection */ config->nSubFrames = 1; /* default, no sub frames */ @@ -451,11 +451,8 @@ AAC_ENCODER_ERROR FDKaacEnc_Initialize(HANDLE_AAC_ENC hAacEnc, switch (config->framelength) { case 1024: - if ( config->audioObjectType != AOT_AAC_LC - && config->audioObjectType != AOT_SBR - && config->audioObjectType != AOT_PS - && config->audioObjectType != AOT_ER_AAC_LC - && config->audioObjectType != AOT_AAC_SCAL ) + if ( config->audioObjectType == AOT_ER_AAC_LD + || config->audioObjectType == AOT_ER_AAC_ELD ) { return AAC_ENC_INVALID_FRAME_LENGTH; } diff --git a/libAACenc/src/aacenc.h b/libAACenc/src/aacenc.h index bb49019..517b0dc 100644 --- a/libAACenc/src/aacenc.h +++ b/libAACenc/src/aacenc.h @@ -153,7 +153,6 @@ typedef enum { /*-------------------------- defines --------------------------------------*/ #define ANC_DATA_BUFFERSIZE 1024 /* ancBuffer size */ -#define DEFAULT_FRAMELENGTH 1024 /* size of AAC core frame in (new) PCM samples */ #define MAX_TOTAL_EXT_PAYLOADS (((6) * (1)) + (2+2)) diff --git a/libAACenc/src/aacenc_lib.cpp b/libAACenc/src/aacenc_lib.cpp index 9647094..a4291d5 100644 --- a/libAACenc/src/aacenc_lib.cpp +++ b/libAACenc/src/aacenc_lib.cpp @@ -98,7 +98,7 @@ amm-info@iis.fraunhofer.de /* Encoder library info */ #define AACENCODER_LIB_VL0 3 #define AACENCODER_LIB_VL1 3 -#define AACENCODER_LIB_VL2 1 +#define AACENCODER_LIB_VL2 3 #define AACENCODER_LIB_TITLE "AAC Encoder" #define AACENCODER_LIB_BUILD_DATE __DATE__ #define AACENCODER_LIB_BUILD_TIME __TIME__ diff --git a/libAACenc/src/aacenc_tns.cpp b/libAACenc/src/aacenc_tns.cpp index fbff424..d6339fc 100644 --- a/libAACenc/src/aacenc_tns.cpp +++ b/libAACenc/src/aacenc_tns.cpp @@ -1067,11 +1067,11 @@ static void FDKaacEnc_CalcGaussWindow( const INT timeResolution_e ) { - #define PI_SCALE (2) - #define PI_FIX FL2FXCONST_DBL(3.1416f/(float)(1<<PI_SCALE)) + #define PI_E (2) + #define PI_M FL2FXCONST_DBL(3.1416f/(float)(1<<PI_E)) - #define EULER_SCALE (2) - #define EULER_FIX FL2FXCONST_DBL(2.7183/(float)(1<<EULER_SCALE)) + #define EULER_E (2) + #define EULER_M FL2FXCONST_DBL(2.7183/(float)(1<<EULER_E)) #define COEFF_LOOP_SCALE (4) @@ -1083,9 +1083,9 @@ static void FDKaacEnc_CalcGaussWindow( * gaussExp = PI * samplingRate * 0.001f * timeResolution / transformResolution; * gaussExp = -0.5f * gaussExp * gaussExp; */ - gaussExp_m = fMultNorm(timeResolution, fMult(PI_FIX, fDivNorm( (FIXP_DBL)(samplingRate), (FIXP_DBL)(LONG)(transformResolution*1000.f), &e1)), &e2); + gaussExp_m = fMultNorm(timeResolution, fMult(PI_M, fDivNorm( (FIXP_DBL)(samplingRate), (FIXP_DBL)(LONG)(transformResolution*1000.f), &e1)), &e2); gaussExp_m = -fPow2Div2(gaussExp_m); - gaussExp_e = 2*(e1+e2+timeResolution_e+PI_SCALE); + gaussExp_e = 2*(e1+e2+timeResolution_e+PI_E); FDK_ASSERT( winSize < (1<<COEFF_LOOP_SCALE) ); @@ -1095,13 +1095,13 @@ static void FDKaacEnc_CalcGaussWindow( for( i=0; i<winSize; i++) { win[i] = fPow( - EULER_FIX, - EULER_SCALE, + EULER_M, + EULER_E, fMult(gaussExp_m, fPow2((i*FL2FXCONST_DBL(1.f/(float)(1<<COEFF_LOOP_SCALE)) + FL2FXCONST_DBL(.5f/(float)(1<<COEFF_LOOP_SCALE))))), gaussExp_e + 2*COEFF_LOOP_SCALE, &e1); - win[i] = scaleValue(win[i], e1); + win[i] = scaleValueSaturate(win[i], e1); } } @@ -1157,7 +1157,10 @@ static INT FDKaacEnc_AutoToParcor( workBuffer++; } - tmp = fMult((FIXP_DBL)((LONG)TNS_PREDGAIN_SCALE<<21), fDivNorm(autoCorr_0, input[0], &scale)); + tmp = fMult((FIXP_DBL)((LONG)TNS_PREDGAIN_SCALE<<21), fDivNorm(fAbs(autoCorr_0), fAbs(input[0]), &scale)); + if ( fMultDiv2(autoCorr_0, input[0])<FL2FXCONST_DBL(0.0f) ) { + tmp = -tmp; + } predictionGain = (LONG)scaleValue(tmp,scale-21); return (predictionGain); diff --git a/libAACenc/src/band_nrg.cpp b/libAACenc/src/band_nrg.cpp index c672c6c..0e46b45 100644 --- a/libAACenc/src/band_nrg.cpp +++ b/libAACenc/src/band_nrg.cpp @@ -260,21 +260,21 @@ FDKaacEnc_CalcBandEnergyOptimShort(const FIXP_DBL *RESTRICT mdctSpectrum, for(i=0; i<numBands; i++) { - int leadingBits = fixMax(0,sfbMaxScaleSpec[i]-4); /* max sfbWidth = 96 ; 2^7=128 => 7/2 = 4 (spc*spc) */ + int leadingBits = sfbMaxScaleSpec[i]-3; /* max sfbWidth = 36 ; 2^6=64 => 6/2 = 3 (spc*spc) */ FIXP_DBL tmp = FL2FXCONST_DBL(0.0); for (j=bandOffset[i];j<bandOffset[i+1];j++) { - FIXP_DBL spec = mdctSpectrum[j]<<leadingBits; + FIXP_DBL spec = scaleValue(mdctSpectrum[j],leadingBits); tmp = fPow2AddDiv2(tmp, spec); } - bandEnergy[i] = scaleValueSaturate(tmp, 1); + bandEnergy[i] = tmp; } for(i=0; i<numBands; i++) { - INT scale = 2*fixMax(0,sfbMaxScaleSpec[i]-4); /* max sfbWidth = 96 ; 2^7=128 => 7/2 = 4 (spc*spc) */ - scale = fixMin(scale,(DFRACT_BITS-1)); - bandEnergy[i] >>= scale; + INT scale = (2*(sfbMaxScaleSpec[i]-3))-1; /* max sfbWidth = 36 ; 2^6=64 => 6/2 = 3 (spc*spc) */ + scale = fixMax(fixMin(scale,(DFRACT_BITS-1)),-(DFRACT_BITS-1)); + bandEnergy[i] = scaleValueSaturate(bandEnergy[i], -scale); } } @@ -343,7 +343,7 @@ void FDKaacEnc_CalcBandNrgMSOpt(const FIXP_DBL *RESTRICT mdctSpectrumLeft, { /* using the minimal scaling of left and right channel can cause very small energies; check ldNrg before subtract scaling multiplication: fract*INT we don't need fMult */ - + int minus = scale*FL2FXCONST_DBL(1.0/64); if (bandEnergyMidLdData[i] != FL2FXCONST_DBL(-1.0f)) diff --git a/libAACenc/src/grp_data.cpp b/libAACenc/src/grp_data.cpp index 88a01ba..4355295 100644 --- a/libAACenc/src/grp_data.cpp +++ b/libAACenc/src/grp_data.cpp @@ -94,6 +94,10 @@ amm-info@iis.fraunhofer.de * this routine does not work in-place */ +static inline FIXP_DBL nrgAddSaturate(const FIXP_DBL a, const FIXP_DBL b) { + return ( (a>=(FIXP_DBL)MAXVAL_DBL-b) ? (FIXP_DBL)MAXVAL_DBL : (a + b) ); +} + void FDKaacEnc_groupShortData(FIXP_DBL *mdctSpectrum, /* in-out */ SFB_THRESHOLD *sfbThreshold, /* in-out */ @@ -177,7 +181,7 @@ FDKaacEnc_groupShortData(FIXP_DBL *mdctSpectrum, /* in-out FIXP_DBL thresh = sfbThreshold->Short[wnd][sfb]; for (j=1; j<groupLen[grp]; j++) { - thresh = fAddSaturate(thresh, sfbThreshold->Short[wnd+j][sfb]); + thresh = nrgAddSaturate(thresh, sfbThreshold->Short[wnd+j][sfb]); } sfbThreshold->Long[i++] = thresh; } @@ -195,7 +199,7 @@ FDKaacEnc_groupShortData(FIXP_DBL *mdctSpectrum, /* in-out FIXP_DBL energy = sfbEnergy->Short[wnd][sfb]; for (j=1; j<groupLen[grp]; j++) { - energy = fAddSaturate(energy, sfbEnergy->Short[wnd+j][sfb]); + energy = nrgAddSaturate(energy, sfbEnergy->Short[wnd+j][sfb]); } sfbEnergy->Long[i++] = energy; } @@ -213,7 +217,7 @@ FDKaacEnc_groupShortData(FIXP_DBL *mdctSpectrum, /* in-out FIXP_DBL energy = sfbEnergyMS->Short[wnd][sfb]; for (j=1; j<groupLen[grp]; j++) { - energy = fAddSaturate(energy, sfbEnergyMS->Short[wnd+j][sfb]); + energy = nrgAddSaturate(energy, sfbEnergyMS->Short[wnd+j][sfb]); } sfbEnergyMS->Long[i++] = energy; } @@ -231,7 +235,7 @@ FDKaacEnc_groupShortData(FIXP_DBL *mdctSpectrum, /* in-out FIXP_DBL energy = sfbSpreadEnergy->Short[wnd][sfb]; for (j=1; j<groupLen[grp]; j++) { - energy = fAddSaturate(energy, sfbSpreadEnergy->Short[wnd+j][sfb]); + energy = nrgAddSaturate(energy, sfbSpreadEnergy->Short[wnd+j][sfb]); } sfbSpreadEnergy->Long[i++] = energy; } diff --git a/libAACenc/src/line_pe.cpp b/libAACenc/src/line_pe.cpp index ed5ee7f..7014bcb 100644 --- a/libAACenc/src/line_pe.cpp +++ b/libAACenc/src/line_pe.cpp @@ -122,6 +122,8 @@ void FDKaacEnc_prepareSfbPe(PE_CHANNEL_DATA *peChanData, avgFormFactorLdData = ((-sfbEnergyLdData[sfbGrp+sfb]>>1) + (CalcLdInt(sfbWidth)>>1))>>1; peChanData->sfbNLines[sfbGrp+sfb] = (INT)CalcInvLdData( (sfbFormFactorLdData[sfbGrp+sfb] + formFacScaling) + avgFormFactorLdData); + /* Make sure sfbNLines is never greater than sfbWidth due to unaccuracies (e.g. sfbEnergyLdData[sfbGrp+sfb] = 0x80000000) */ + peChanData->sfbNLines[sfbGrp+sfb] = fMin(sfbWidth, peChanData->sfbNLines[sfbGrp+sfb]); } else { peChanData->sfbNLines[sfbGrp+sfb] = 0; diff --git a/libAACenc/src/qc_main.cpp b/libAACenc/src/qc_main.cpp index 749398a..d7e76c7 100644 --- a/libAACenc/src/qc_main.cpp +++ b/libAACenc/src/qc_main.cpp @@ -797,7 +797,7 @@ AAC_ENCODER_ERROR FDKaacEnc_QCMain(QC_STATE* RESTRICT hQC, { int i, c; AAC_ENCODER_ERROR ErrorStatus = AAC_ENC_OK; - INT avgTotalDynBits = 0; /* maximal allowd dynamic bits for all frames */ + INT avgTotalDynBits = 0; /* maximal allowed dynamic bits for all frames */ INT totalAvailableBits = 0; INT nSubFrames = 1; @@ -1092,7 +1092,7 @@ AAC_ENCODER_ERROR FDKaacEnc_QCMain(QC_STATE* RESTRICT hQC, int sumBitsConsumedTotal = FDKaacEnc_getTotalConsumedBits(qcOut, qcElement, cm, hQC->globHdrBits, nSubFrames); /* in all frames are valid dynamic bits */ - if (sumBitsConsumedTotal < totalAvailableBits && (decreaseBitConsumption==1) && checkMinFrameBitsDemand(qcOut,hQC->minBitsPerFrame,nSubFrames) + if ( ((sumBitsConsumedTotal < totalAvailableBits) || qcOut[c]->usedDynBits==0) && (decreaseBitConsumption==1) && checkMinFrameBitsDemand(qcOut,hQC->minBitsPerFrame,nSubFrames) /*()*/ ) { quantizationDone = 1; /* exit bit adjustment */ @@ -1365,42 +1365,54 @@ AAC_ENCODER_ERROR FDKaacEnc_FinalizeBitConsumption(CHANNEL_MAPPING *cm, QC_OUT_EXTENSION fillExtPayload; INT totFillBits, alignBits; - { - int exactTpBits; - int max_iter = 3; + /* Get total consumed bits in AU */ + qcOut->totalBits = qcOut->staticBits + qcOut->usedDynBits + qcOut->totFillBits + + qcOut->elementExtBits + qcOut->globalExtBits; - /* Get total consumed bits in AU */ - qcOut->totalBits = qcOut->staticBits + qcOut->usedDynBits + qcOut->totFillBits + - qcOut->elementExtBits + qcOut->globalExtBits; + if (qcKernel->bitrateMode==QCDATA_BR_MODE_CBR) { /* Now we can get the exact transport bit amount, and hopefully it is equal to the estimated value */ - exactTpBits = transportEnc_GetStaticBits(hTpEnc, qcOut->totalBits); + INT exactTpBits = transportEnc_GetStaticBits(hTpEnc, qcOut->totalBits); if (exactTpBits != qcKernel->globHdrBits) { INT diffFillBits = 0; + /* How many bits can be taken by bitreservoir */ + const INT bitresSpace = qcKernel->bitResTotMax - (qcKernel->bitResTot + (qcOut->grantedDynBits - (qcOut->usedDynBits + qcOut->totFillBits) ) ); + /* Number of bits which can be moved to bitreservoir. */ - INT bitsToBitres = qcKernel->globHdrBits - exactTpBits; + const INT bitsToBitres = qcKernel->globHdrBits - exactTpBits; + FDK_ASSERT(bitsToBitres>=0); /* is always positive */ - if (bitsToBitres>0) { - /* if bitreservoir can not take all bits, move ramaining bits to fillbits */ - diffFillBits = FDKmax(0, bitsToBitres - (qcKernel->bitResTotMax-qcKernel->bitResTot)); - } - else if (bitsToBitres<0) { - /* if bits mus be taken from bitreservoir, reduce fillbits first. */ - diffFillBits = (FDKmax(FDKmax(bitsToBitres, -qcKernel->bitResTot), -qcOut->totFillBits)); - } + /* If bitreservoir can not take all bits, move ramaining bits to fillbits */ + diffFillBits = FDKmax(0, bitsToBitres - bitresSpace); + + /* Assure previous alignment */ + diffFillBits = (diffFillBits+7)&~7; - diffFillBits = (diffFillBits+7)&~7; /* assure previous alignment */ + /* Move as many bits as possible to bitreservoir */ + qcKernel->bitResTot += (bitsToBitres-diffFillBits); + /* Write remaing bits as fill bits */ qcOut->totFillBits += diffFillBits; qcOut->totalBits += diffFillBits; qcOut->grantedDynBits += diffFillBits; - /* new header bits */ + /* Get new header bits */ qcKernel->globHdrBits = transportEnc_GetStaticBits(hTpEnc, qcOut->totalBits); + + if (qcKernel->globHdrBits != exactTpBits) { + /* In previous step, fill bits and corresponding total bits were changed when bitreservoir was completely filled. + Now we can take the too much taken bits caused by header overhead from bitreservoir. + */ + qcKernel->bitResTot -= (qcKernel->globHdrBits - exactTpBits); + } } - } + + } /* MODE_CBR */ + + /* Update exact number of consumed header bits. */ + qcKernel->globHdrBits = transportEnc_GetStaticBits(hTpEnc, qcOut->totalBits); /* Save total fill bits and distribut to alignment and fill bits */ totFillBits = qcOut->totFillBits; diff --git a/libAACenc/src/quantize.cpp b/libAACenc/src/quantize.cpp index dc85a6d..a1698a8 100644 --- a/libAACenc/src/quantize.cpp +++ b/libAACenc/src/quantize.cpp @@ -127,10 +127,7 @@ static void FDKaacEnc_quantizeLines(INT gain, accu = fMultDiv2(FDKaacEnc_mTab_3_4[tabIndex],FDKaacEnc_quantTableE[totalShift&3]); totalShift = (16-4)-(3*(totalShift>>2)); FDK_ASSERT(totalShift >=0); /* MAX_QUANT_VIOLATION */ - if (totalShift < 32) - accu>>=totalShift; - else - accu = 0; + accu>>=totalShift; quaSpectrum[line] = (SHORT)(-((LONG)(k + accu) >> (DFRACT_BITS-1-16))); } else if(accu > FL2FXCONST_DBL(0.0f)) @@ -143,10 +140,7 @@ static void FDKaacEnc_quantizeLines(INT gain, accu = fMultDiv2(FDKaacEnc_mTab_3_4[tabIndex],FDKaacEnc_quantTableE[totalShift&3]); totalShift = (16-4)-(3*(totalShift>>2)); FDK_ASSERT(totalShift >=0); /* MAX_QUANT_VIOLATION */ - if (totalShift < 32) - accu>>=totalShift; - else - accu = 0; + accu>>=totalShift; quaSpectrum[line] = (SHORT)((LONG)(k + accu) >> (DFRACT_BITS-1-16)); } else @@ -319,6 +313,9 @@ FIXP_DBL FDKaacEnc_calcSfbDist(FIXP_DBL *mdctSpectrum, &mdctSpectrum[i], &quantSpectrum[i]); + if (fAbs(quantSpectrum[i])>MAX_QUANT) { + return FL2FXCONST_DBL(0.0f); + } /* inverse quantization */ FDKaacEnc_invQuantizeLines(gain,1,&quantSpectrum[i],&invQuantSpec); @@ -361,15 +358,22 @@ void FDKaacEnc_calcSfbQuantEnergyAndDist(FIXP_DBL *mdctSpectrum, FIXP_DBL invQuantSpec; FIXP_DBL diff; - *en = FL2FXCONST_DBL(0.0f); - *dist = FL2FXCONST_DBL(0.0f); + FIXP_DBL energy = FL2FXCONST_DBL(0.0f); + FIXP_DBL distortion = FL2FXCONST_DBL(0.0f); for (i=0; i<noOfLines; i++) { + + if (fAbs(quantSpectrum[i])>MAX_QUANT) { + *en = FL2FXCONST_DBL(0.0f); + *dist = FL2FXCONST_DBL(0.0f); + return; + } + /* inverse quantization */ FDKaacEnc_invQuantizeLines(gain,1,&quantSpectrum[i],&invQuantSpec); /* energy */ - *en += fPow2(invQuantSpec); + energy += fPow2(invQuantSpec); /* dist */ diff = fixp_abs(fixp_abs(invQuantSpec) - fixp_abs(mdctSpectrum[i]>>1)); @@ -382,10 +386,10 @@ void FDKaacEnc_calcSfbQuantEnergyAndDist(FIXP_DBL *mdctSpectrum, diff = scaleValue(diff, -scale); - *dist += diff; + distortion += diff; } - *en = CalcLdData(*en)+FL2FXCONST_DBL(0.03125f); - *dist = CalcLdData(*dist); + *en = CalcLdData(energy)+FL2FXCONST_DBL(0.03125f); + *dist = CalcLdData(distortion); } diff --git a/libAACenc/src/tns_param.cpp b/libAACenc/src/tns_param.cpp deleted file mode 100644 index 3c04c51..0000000 --- a/libAACenc/src/tns_param.cpp +++ /dev/null @@ -1,93 +0,0 @@ - -/* ----------------------------------------------------------------------------------------------------------- -Software License for The Fraunhofer FDK AAC Codec Library for Android - -© Copyright 1995 - 2012 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. - All rights reserved. - - 1. INTRODUCTION -The Fraunhofer FDK AAC Codec Library for Android ("FDK AAC Codec") is software that implements -the MPEG Advanced Audio Coding ("AAC") encoding and decoding scheme for digital audio. -This FDK AAC Codec software is intended to be used on a wide variety of Android devices. - -AAC's HE-AAC and HE-AAC v2 versions are regarded as today's most efficient general perceptual -audio codecs. AAC-ELD is considered the best-performing full-bandwidth communications codec by -independent studies and is widely deployed. AAC has been standardized by ISO and IEC as part -of the MPEG specifications. - -Patent licenses for necessary patent claims for the FDK AAC Codec (including those of Fraunhofer) -may be obtained through Via Licensing (www.vialicensing.com) or through the respective patent owners -individually for the purpose of encoding or decoding bit streams in products that are compliant with -the ISO/IEC MPEG audio standards. Please note that most manufacturers of Android devices already license -these patent claims through Via Licensing or directly from the patent owners, and therefore FDK AAC Codec -software may already be covered under those patent licenses when it is used for those licensed purposes only. - -Commercially-licensed AAC software libraries, including floating-point versions with enhanced sound quality, -are also available from Fraunhofer. Users are encouraged to check the Fraunhofer website for additional -applications information and documentation. - -2. COPYRIGHT LICENSE - -Redistribution and use in source and binary forms, with or without modification, are permitted without -payment of copyright license fees provided that you satisfy the following conditions: - -You must retain the complete text of this software license in redistributions of the FDK AAC Codec or -your modifications thereto in source code form. - -You must retain the complete text of this software license in the documentation and/or other materials -provided with redistributions of the FDK AAC Codec or your modifications thereto in binary form. -You must make available free of charge copies of the complete source code of the FDK AAC Codec and your -modifications thereto to recipients of copies in binary form. - -The name of Fraunhofer may not be used to endorse or promote products derived from this library without -prior written permission. - -You may not charge copyright license fees for anyone to use, copy or distribute the FDK AAC Codec -software or your modifications thereto. - -Your modified versions of the FDK AAC Codec must carry prominent notices stating that you changed the software -and the date of any change. For modified versions of the FDK AAC Codec, the term -"Fraunhofer FDK AAC Codec Library for Android" must be replaced by the term -"Third-Party Modified Version of the Fraunhofer FDK AAC Codec Library for Android." - -3. NO PATENT LICENSE - -NO EXPRESS OR IMPLIED LICENSES TO ANY PATENT CLAIMS, including without limitation the patents of Fraunhofer, -ARE GRANTED BY THIS SOFTWARE LICENSE. Fraunhofer provides no warranty of patent non-infringement with -respect to this software. - -You may use this FDK AAC Codec software or modifications thereto only for purposes that are authorized -by appropriate patent licenses. - -4. DISCLAIMER - -This FDK AAC Codec software is provided by Fraunhofer on behalf of the copyright holders and contributors -"AS IS" and WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, including but not limited to the implied warranties -of merchantability and fitness for a particular purpose. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR -CONTRIBUTORS BE LIABLE for any direct, indirect, incidental, special, exemplary, or consequential damages, -including but not limited to procurement of substitute goods or services; loss of use, data, or profits, -or business interruption, however caused and on any theory of liability, whether in contract, strict -liability, or tort (including negligence), arising in any way out of the use of this software, even if -advised of the possibility of such damage. - -5. CONTACT INFORMATION - -Fraunhofer Institute for Integrated Circuits IIS -Attention: Audio and Multimedia Departments - FDK AAC LL -Am Wolfsmantel 33 -91058 Erlangen, Germany - -www.iis.fraunhofer.de/amm -amm-info@iis.fraunhofer.de ------------------------------------------------------------------------------------------------------------ */ - -/******************************** MPEG Audio Encoder ************************** - - Initial author: M.Werner - contents/description: TNS parameters - -******************************************************************************/ - -#include "tns_param.h" - - diff --git a/libAACenc/src/tns_param.h b/libAACenc/src/tns_param.h deleted file mode 100644 index b191b5c..0000000 --- a/libAACenc/src/tns_param.h +++ /dev/null @@ -1,96 +0,0 @@ - -/* ----------------------------------------------------------------------------------------------------------- -Software License for The Fraunhofer FDK AAC Codec Library for Android - -© Copyright 1995 - 2012 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. - All rights reserved. - - 1. INTRODUCTION -The Fraunhofer FDK AAC Codec Library for Android ("FDK AAC Codec") is software that implements -the MPEG Advanced Audio Coding ("AAC") encoding and decoding scheme for digital audio. -This FDK AAC Codec software is intended to be used on a wide variety of Android devices. - -AAC's HE-AAC and HE-AAC v2 versions are regarded as today's most efficient general perceptual -audio codecs. AAC-ELD is considered the best-performing full-bandwidth communications codec by -independent studies and is widely deployed. AAC has been standardized by ISO and IEC as part -of the MPEG specifications. - -Patent licenses for necessary patent claims for the FDK AAC Codec (including those of Fraunhofer) -may be obtained through Via Licensing (www.vialicensing.com) or through the respective patent owners -individually for the purpose of encoding or decoding bit streams in products that are compliant with -the ISO/IEC MPEG audio standards. Please note that most manufacturers of Android devices already license -these patent claims through Via Licensing or directly from the patent owners, and therefore FDK AAC Codec -software may already be covered under those patent licenses when it is used for those licensed purposes only. - -Commercially-licensed AAC software libraries, including floating-point versions with enhanced sound quality, -are also available from Fraunhofer. Users are encouraged to check the Fraunhofer website for additional -applications information and documentation. - -2. COPYRIGHT LICENSE - -Redistribution and use in source and binary forms, with or without modification, are permitted without -payment of copyright license fees provided that you satisfy the following conditions: - -You must retain the complete text of this software license in redistributions of the FDK AAC Codec or -your modifications thereto in source code form. - -You must retain the complete text of this software license in the documentation and/or other materials -provided with redistributions of the FDK AAC Codec or your modifications thereto in binary form. -You must make available free of charge copies of the complete source code of the FDK AAC Codec and your -modifications thereto to recipients of copies in binary form. - -The name of Fraunhofer may not be used to endorse or promote products derived from this library without -prior written permission. - -You may not charge copyright license fees for anyone to use, copy or distribute the FDK AAC Codec -software or your modifications thereto. - -Your modified versions of the FDK AAC Codec must carry prominent notices stating that you changed the software -and the date of any change. For modified versions of the FDK AAC Codec, the term -"Fraunhofer FDK AAC Codec Library for Android" must be replaced by the term -"Third-Party Modified Version of the Fraunhofer FDK AAC Codec Library for Android." - -3. NO PATENT LICENSE - -NO EXPRESS OR IMPLIED LICENSES TO ANY PATENT CLAIMS, including without limitation the patents of Fraunhofer, -ARE GRANTED BY THIS SOFTWARE LICENSE. Fraunhofer provides no warranty of patent non-infringement with -respect to this software. - -You may use this FDK AAC Codec software or modifications thereto only for purposes that are authorized -by appropriate patent licenses. - -4. DISCLAIMER - -This FDK AAC Codec software is provided by Fraunhofer on behalf of the copyright holders and contributors -"AS IS" and WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, including but not limited to the implied warranties -of merchantability and fitness for a particular purpose. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR -CONTRIBUTORS BE LIABLE for any direct, indirect, incidental, special, exemplary, or consequential damages, -including but not limited to procurement of substitute goods or services; loss of use, data, or profits, -or business interruption, however caused and on any theory of liability, whether in contract, strict -liability, or tort (including negligence), arising in any way out of the use of this software, even if -advised of the possibility of such damage. - -5. CONTACT INFORMATION - -Fraunhofer Institute for Integrated Circuits IIS -Attention: Audio and Multimedia Departments - FDK AAC LL -Am Wolfsmantel 33 -91058 Erlangen, Germany - -www.iis.fraunhofer.de/amm -amm-info@iis.fraunhofer.de ------------------------------------------------------------------------------------------------------------ */ - -/******************************** MPEG Audio Encoder ************************** - - Initial author: Alex Goeschel - contents/description: Temporal noise shaping - -******************************************************************************/ - -#ifndef _TNS_PARAM_H -#define _TNS_PARAM_H - - - -#endif /* _TNS_PARAM_H */ |