From e0835d4cbde8e3b61b0c965afcd41f8f4b7ac121 Mon Sep 17 00:00:00 2001 From: "Matthias P. Braendli" Date: Tue, 1 Jun 2021 14:42:00 +0200 Subject: Update fdk to v2.0.2 --- fdk-aac/libPCMutils/src/limiter.cpp | 122 ++++++++++++++------------------- fdk-aac/libPCMutils/src/pcmdmx_lib.cpp | 1 - fdk-aac/libPCMutils/src/version.h | 6 +- 3 files changed, 56 insertions(+), 73 deletions(-) (limited to 'fdk-aac/libPCMutils/src') diff --git a/fdk-aac/libPCMutils/src/limiter.cpp b/fdk-aac/libPCMutils/src/limiter.cpp index a799a51..598dc0c 100644 --- a/fdk-aac/libPCMutils/src/limiter.cpp +++ b/fdk-aac/libPCMutils/src/limiter.cpp @@ -1,7 +1,7 @@ /* ----------------------------------------------------------------------------- Software License for The Fraunhofer FDK AAC Codec Library for Android -© Copyright 1995 - 2018 Fraunhofer-Gesellschaft zur Förderung der angewandten +© Copyright 1995 - 2019 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. All rights reserved. 1. INTRODUCTION @@ -152,7 +152,7 @@ TDLimiterPtr pcmLimiter_Create(unsigned int maxAttackMs, unsigned int releaseMs, limiter->attack = attack; limiter->attackConst = attackConst; limiter->releaseConst = releaseConst; - limiter->threshold = threshold >> TDL_GAIN_SCALING; + limiter->threshold = threshold; limiter->channels = maxChannels; limiter->maxChannels = maxChannels; limiter->sampleRate = maxSampleRate; @@ -165,18 +165,13 @@ TDLimiterPtr pcmLimiter_Create(unsigned int maxAttackMs, unsigned int releaseMs, /* apply limiter */ TDLIMITER_ERROR pcmLimiter_Apply(TDLimiterPtr limiter, PCM_LIM* samplesIn, - INT_PCM* samplesOut, FIXP_DBL* RESTRICT pGain, - const INT* RESTRICT gain_scale, - const UINT gain_size, const UINT gain_delay, - const UINT nSamples) { + INT_PCM* samplesOut, FIXP_DBL* pGainPerSample, + const INT scaling, const UINT nSamples) { unsigned int i, j; - FIXP_DBL tmp1; FIXP_DBL tmp2; - FIXP_DBL tmp, old, gain, additionalGain = 0, additionalGainUnfiltered; + FIXP_DBL tmp, old, gain, additionalGain = 0; FIXP_DBL minGain = FL2FXCONST_DBL(1.0f / (1 << 1)); - - FDK_ASSERT(gain_size == 1); - FDK_ASSERT(gain_delay <= nSamples); + UINT additionalGainAvailable = 1; if (limiter == NULL) return TDLIMIT_INVALID_HANDLE; @@ -185,7 +180,7 @@ TDLIMITER_ERROR pcmLimiter_Apply(TDLimiterPtr limiter, PCM_LIM* samplesIn, unsigned int attack = limiter->attack; FIXP_DBL attackConst = limiter->attackConst; FIXP_DBL releaseConst = limiter->releaseConst; - FIXP_DBL threshold = limiter->threshold; + FIXP_DBL threshold = limiter->threshold >> scaling; FIXP_DBL max = limiter->max; FIXP_DBL* maxBuf = limiter->maxBuf; @@ -195,55 +190,34 @@ TDLIMITER_ERROR pcmLimiter_Apply(TDLimiterPtr limiter, PCM_LIM* samplesIn, unsigned int delayBufIdx = limiter->delayBufIdx; FIXP_DBL smoothState0 = limiter->smoothState0; - FIXP_DBL additionalGainSmoothState = limiter->additionalGainFilterState; - FIXP_DBL additionalGainSmoothState1 = limiter->additionalGainFilterState1; - if (!gain_delay) { - additionalGain = pGain[0]; - if (gain_scale[0] > 0) { - additionalGain <<= gain_scale[0]; - } else { - additionalGain >>= -gain_scale[0]; - } + if (limiter->scaling != scaling) { + scaleValuesSaturate(delayBuf, attack * channels, + limiter->scaling - scaling); + scaleValuesSaturate(maxBuf, attack + 1, limiter->scaling - scaling); + max = scaleValueSaturate(max, limiter->scaling - scaling); + limiter->scaling = scaling; } - for (i = 0; i < nSamples; i++) { - if (gain_delay) { - if (i < gain_delay) { - additionalGainUnfiltered = limiter->additionalGainPrev; - } else { - additionalGainUnfiltered = pGain[0]; - } + if (pGainPerSample == NULL) { + additionalGainAvailable = 0; + } - /* Smooth additionalGain */ - /* [b,a] = butter(1, 0.01) */ - static const FIXP_SGL b[] = {FL2FXCONST_SGL(0.015466 * 2.0), - FL2FXCONST_SGL(0.015466 * 2.0)}; - static const FIXP_SGL a[] = {(FIXP_SGL)MAXVAL_SGL, - FL2FXCONST_SGL(-0.96907)}; - additionalGain = -fMult(additionalGainSmoothState, a[1]) + - fMultDiv2(additionalGainUnfiltered, b[0]) + - fMultDiv2(additionalGainSmoothState1, b[1]); - additionalGainSmoothState1 = additionalGainUnfiltered; - additionalGainSmoothState = additionalGain; - - /* Apply the additional scaling that has no delay and no smoothing */ - if (gain_scale[0] > 0) { - additionalGain <<= gain_scale[0]; - } else { - additionalGain >>= -gain_scale[0]; - } - } + for (i = 0; i < nSamples; i++) { /* get maximum absolute sample value of all channels, including the * additional gain. */ - tmp1 = (FIXP_DBL)0; + tmp = (FIXP_DBL)0; for (j = 0; j < channels; j++) { tmp2 = PCM_LIM2FIXP_DBL(samplesIn[j]); - tmp2 = fAbs(tmp2); - tmp2 = FIXP_DBL(INT(tmp2) ^ INT((tmp2 >> (SAMPLE_BITS_LIM - 1)))); - tmp1 = fMax(tmp1, tmp2); + tmp2 = + (tmp2 == (FIXP_DBL)MINVAL_DBL) ? (FIXP_DBL)MAXVAL_DBL : fAbs(tmp2); + tmp = fMax(tmp, tmp2); + } + + if (additionalGainAvailable) { + additionalGain = pGainPerSample[i]; + tmp = fMult(tmp, additionalGain); } - tmp = fMult(tmp1, additionalGain); /* set threshold as lower border to save calculations in running maximum * algorithm */ @@ -314,22 +288,42 @@ TDLIMITER_ERROR pcmLimiter_Apply(TDLimiterPtr limiter, PCM_LIM* samplesIn, /* lookahead delay, apply gain */ for (j = 0; j < channels; j++) { tmp = p_delayBuf[j]; - p_delayBuf[j] = fMult((FIXP_PCM_LIM)samplesIn[j], additionalGain); + + if (additionalGainAvailable) { + p_delayBuf[j] = fMult((FIXP_PCM_LIM)samplesIn[j], additionalGain); + } else { + p_delayBuf[j] = PCM_LIM2FIXP_DBL(samplesIn[j]); + } /* Apply gain to delayed signal */ tmp = fMultDiv2(tmp, gain); - +#if (SAMPLE_BITS == DFRACT_BITS) + samplesOut[j] = (INT_PCM)FX_DBL2FX_PCM( + (FIXP_DBL)SATURATE_LEFT_SHIFT(tmp, scaling + 1, DFRACT_BITS)); +#else samplesOut[j] = (INT_PCM)FX_DBL2FX_PCM((FIXP_DBL)SATURATE_LEFT_SHIFT( - tmp, TDL_GAIN_SCALING + 1, DFRACT_BITS)); + tmp + ((FIXP_DBL)0x8000 >> (scaling + 1)), scaling + 1, + DFRACT_BITS)); +#endif } gain >>= 1; } else { /* lookahead delay, apply gain=1.0f */ for (j = 0; j < channels; j++) { tmp = p_delayBuf[j]; - p_delayBuf[j] = fMult((FIXP_PCM_LIM)samplesIn[j], additionalGain); + if (additionalGainAvailable) { + p_delayBuf[j] = fMult((FIXP_PCM_LIM)samplesIn[j], additionalGain); + } else { + p_delayBuf[j] = PCM_LIM2FIXP_DBL(samplesIn[j]); + } + +#if (SAMPLE_BITS == DFRACT_BITS) + samplesOut[j] = (INT_PCM)FX_DBL2FX_PCM( + (FIXP_DBL)SATURATE_LEFT_SHIFT(tmp, scaling, DFRACT_BITS)); +#else samplesOut[j] = (INT_PCM)FX_DBL2FX_PCM((FIXP_DBL)SATURATE_LEFT_SHIFT( - tmp, TDL_GAIN_SCALING, DFRACT_BITS)); + tmp + ((FIXP_DBL)0x8000 >> scaling), scaling, DFRACT_BITS)); +#endif } } @@ -354,13 +348,9 @@ TDLIMITER_ERROR pcmLimiter_Apply(TDLimiterPtr limiter, PCM_LIM* samplesIn, limiter->delayBufIdx = delayBufIdx; limiter->smoothState0 = smoothState0; - limiter->additionalGainFilterState = additionalGainSmoothState; - limiter->additionalGainFilterState1 = additionalGainSmoothState1; limiter->minGain = minGain; - limiter->additionalGainPrev = pGain[0]; - return TDLIMIT_OK; } } @@ -370,7 +360,7 @@ TDLIMITER_ERROR pcmLimiter_SetThreshold(TDLimiterPtr limiter, FIXP_DBL threshold) { if (limiter == NULL) return TDLIMIT_INVALID_HANDLE; - limiter->threshold = threshold >> TDL_GAIN_SCALING; + limiter->threshold = threshold; return TDLIMIT_OK; } @@ -384,13 +374,7 @@ TDLIMITER_ERROR pcmLimiter_Reset(TDLimiterPtr limiter) { limiter->cor = FL2FXCONST_DBL(1.0f / (1 << 1)); limiter->smoothState0 = FL2FXCONST_DBL(1.0f / (1 << 1)); limiter->minGain = FL2FXCONST_DBL(1.0f / (1 << 1)); - - limiter->additionalGainPrev = - FL2FXCONST_DBL(1.0f / (1 << TDL_GAIN_SCALING)); - limiter->additionalGainFilterState = - FL2FXCONST_DBL(1.0f / (1 << TDL_GAIN_SCALING)); - limiter->additionalGainFilterState1 = - FL2FXCONST_DBL(1.0f / (1 << TDL_GAIN_SCALING)); + limiter->scaling = 0; FDKmemset(limiter->maxBuf, 0, (limiter->attack + 1) * sizeof(FIXP_DBL)); FDKmemset(limiter->delayBuf, 0, diff --git a/fdk-aac/libPCMutils/src/pcmdmx_lib.cpp b/fdk-aac/libPCMutils/src/pcmdmx_lib.cpp index e3c3fa9..534acad 100644 --- a/fdk-aac/libPCMutils/src/pcmdmx_lib.cpp +++ b/fdk-aac/libPCMutils/src/pcmdmx_lib.cpp @@ -585,7 +585,6 @@ static PCMDMX_ERROR getChannelMode( if (channelIndices[ch] >= numCh[channelType[ch] >> 4][chGrp]) return PCMDMX_INVALID_CH_CONFIG; - spkrPos[ch] = getSpeakerPos(channelType[ch], channelIndices[ch], numCh[channelType[ch] >> 4][chGrp]); diff --git a/fdk-aac/libPCMutils/src/version.h b/fdk-aac/libPCMutils/src/version.h index fa31af1..871aa90 100644 --- a/fdk-aac/libPCMutils/src/version.h +++ b/fdk-aac/libPCMutils/src/version.h @@ -1,7 +1,7 @@ /* ----------------------------------------------------------------------------- Software License for The Fraunhofer FDK AAC Codec Library for Android -© Copyright 1995 - 2018 Fraunhofer-Gesellschaft zur Förderung der angewandten +© Copyright 1995 - 2019 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. All rights reserved. 1. INTRODUCTION @@ -105,10 +105,10 @@ amm-info@iis.fraunhofer.de /* library info */ #define PCMUTIL_LIB_VL0 3 -#define PCMUTIL_LIB_VL1 0 +#define PCMUTIL_LIB_VL1 1 #define PCMUTIL_LIB_VL2 0 #define PCMUTIL_LIB_TITLE "PCM Utility Lib" -#ifdef __ANDROID__ +#ifdef SUPPRESS_BUILD_DATE_INFO #define PCMUTIL_LIB_BUILD_DATE "" #define PCMUTIL_LIB_BUILD_TIME "" #else -- cgit v1.2.3