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authorMartin Storsjo <martin@martin.st>2013-11-01 10:46:40 +0200
committerMartin Storsjo <martin@martin.st>2013-11-01 10:46:40 +0200
commit321233ee92e138f44294c7bb9a375eadad9d24fa (patch)
tree1de928ad26325302f64c56603157f50095dcf2b1 /libAACenc/src/metadata_compressor.cpp
parentfcb5f1b692cb8343de35e69f9084328c652cf690 (diff)
parentfa3eba16446cc8f2f5e2dfc20d86a49dbd37299e (diff)
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Merge remote-tracking branch 'aosp/kitkat-release' into kitkat-merge
Conflicts: libAACenc/src/quantize.cpp
Diffstat (limited to 'libAACenc/src/metadata_compressor.cpp')
-rw-r--r--libAACenc/src/metadata_compressor.cpp39
1 files changed, 25 insertions, 14 deletions
diff --git a/libAACenc/src/metadata_compressor.cpp b/libAACenc/src/metadata_compressor.cpp
index 852c8bc..876de57 100644
--- a/libAACenc/src/metadata_compressor.cpp
+++ b/libAACenc/src/metadata_compressor.cpp
@@ -2,7 +2,7 @@
/* -----------------------------------------------------------------------------------------------------------
Software License for The Fraunhofer FDK AAC Codec Library for Android
-© Copyright 1995 - 2012 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
+© Copyright 1995 - 2013 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
All rights reserved.
1. INTRODUCTION
@@ -421,7 +421,7 @@ static FIXP_DBL tc2Coeff(
result = f2Pow(-exponent, DFRACT_BITS-1-METADATA_FRACT_BITS, &e_res);
/* result = 1.0 - exp(-1.0/((t) * (f))) */
- result = FL2FXCONST_DBL(1.0f) - scaleValue(result, e_res);
+ result = (FIXP_DBL)MAXVAL_DBL - scaleValue(result, e_res);
return result;
}
@@ -539,14 +539,25 @@ INT FDK_DRC_Generator_Initialize(
drcComp->channelIdx[RS] = channelMapping.elInfo[2].ChannelIndex[1];
break;
case MODE_1_2_2_2_1: /* 7.1 ch */
- drcComp->channelIdx[L] = channelMapping.elInfo[1].ChannelIndex[0];
- drcComp->channelIdx[R] = channelMapping.elInfo[1].ChannelIndex[1];
- drcComp->channelIdx[C] = channelMapping.elInfo[0].ChannelIndex[0];
- drcComp->channelIdx[LFE] = channelMapping.elInfo[4].ChannelIndex[0];
- drcComp->channelIdx[LS] = channelMapping.elInfo[2].ChannelIndex[0];
- drcComp->channelIdx[RS] = channelMapping.elInfo[2].ChannelIndex[1];
- drcComp->channelIdx[LS2] = channelMapping.elInfo[3].ChannelIndex[0];
- drcComp->channelIdx[RS2] = channelMapping.elInfo[3].ChannelIndex[1];
+ case MODE_7_1_FRONT_CENTER:
+ drcComp->channelIdx[L] = channelMapping.elInfo[2].ChannelIndex[0]; /* l */
+ drcComp->channelIdx[R] = channelMapping.elInfo[2].ChannelIndex[1]; /* r */
+ drcComp->channelIdx[C] = channelMapping.elInfo[0].ChannelIndex[0]; /* c */
+ drcComp->channelIdx[LFE] = channelMapping.elInfo[4].ChannelIndex[0]; /* lfe */
+ drcComp->channelIdx[LS] = channelMapping.elInfo[3].ChannelIndex[0]; /* ls */
+ drcComp->channelIdx[RS] = channelMapping.elInfo[3].ChannelIndex[1]; /* rs */
+ drcComp->channelIdx[LS2] = channelMapping.elInfo[1].ChannelIndex[0]; /* lc */
+ drcComp->channelIdx[RS2] = channelMapping.elInfo[1].ChannelIndex[1]; /* rc */
+ break;
+ case MODE_7_1_REAR_SURROUND:
+ drcComp->channelIdx[L] = channelMapping.elInfo[1].ChannelIndex[0]; /* l */
+ drcComp->channelIdx[R] = channelMapping.elInfo[1].ChannelIndex[1]; /* r */
+ drcComp->channelIdx[C] = channelMapping.elInfo[0].ChannelIndex[0]; /* c */
+ drcComp->channelIdx[LFE] = channelMapping.elInfo[4].ChannelIndex[0]; /* lfe */
+ drcComp->channelIdx[LS] = channelMapping.elInfo[3].ChannelIndex[0]; /* lrear */
+ drcComp->channelIdx[RS] = channelMapping.elInfo[3].ChannelIndex[1]; /* rrear */
+ drcComp->channelIdx[LS2] = channelMapping.elInfo[2].ChannelIndex[0]; /* ls */
+ drcComp->channelIdx[RS2] = channelMapping.elInfo[2].ChannelIndex[1]; /* rs */
break;
case MODE_1_1:
case MODE_1_1_1_1:
@@ -832,12 +843,12 @@ INT FDK_DRC_Generator_Calc(
FIXP_DBL accu;
/* drcComp->smoothLevel[i] = (1-alpha) * drcComp->smoothLevel[i] + alpha * level; */
- accu = fMult((FL2FXCONST_DBL(1.f)-alpha), drcComp->smoothLevel[i]);
+ accu = fMult(((FIXP_DBL)MAXVAL_DBL-alpha), drcComp->smoothLevel[i]);
accu += fMult(alpha,level);
drcComp->smoothLevel[i] = accu;
/* drcComp->smoothGain[i] = (1-alpha) * drcComp->smoothGain[i] + alpha * gain; */
- accu = fMult((FL2FXCONST_DBL(1.f)-alpha), drcComp->smoothGain[i]);
+ accu = fMult(((FIXP_DBL)MAXVAL_DBL-alpha), drcComp->smoothGain[i]);
accu += fMult(alpha,gain);
drcComp->smoothGain[i] = accu;
}
@@ -941,7 +952,7 @@ INT FDK_DRC_Generator_Calc(
if ((drcComp->channelIdx[LS] >= 0) && (drcComp->channelIdx[LS2] >= 0)) tmp = fMult(FL2FXCONST_DBL(0.707f), tmp); /* 7.1ch */
/*if ((drcComp->channelIdx[RS] >= 0) && (drcComp->channelIdx[RS2] >= 0)) tmp *=0.707f;*/ /* 7.1ch */
if (drcComp->channelIdx[S] >= 0) tmp += fMultDiv2(slev, fMult(FL2FXCONST_DBL(0.7f), (FIXP_PCM)pSamples[drcComp->channelIdx[S]]))>>(DOWNMIX_SHIFT-1); /* S */
- if (drcComp->channelIdx[C] >= 0) tmp += fMultDiv2(clev, (FIXP_PCM)pSamples[drcComp->channelIdx[C]])>>(DOWNMIX_SHIFT-1); /* C */
+ if (drcComp->channelIdx[C] >= 0) tmp += fMult(clev, (FIXP_PCM)pSamples[drcComp->channelIdx[C]])>>(DOWNMIX_SHIFT-1); /* C (2*clev) */
tmp += (FX_PCM2FX_DBL((FIXP_PCM)pSamples[drcComp->channelIdx[L]])>>DOWNMIX_SHIFT); /* L */
tmp += (FX_PCM2FX_DBL((FIXP_PCM)pSamples[drcComp->channelIdx[R]])>>DOWNMIX_SHIFT); /* R */
@@ -973,7 +984,7 @@ INT FDK_DRC_Generator_Calc(
* + 0.2f*2^(-METADATA_FRACT_BITS) + drcComp->smoothGain[i]
*/
peak[i] = fMult((FIXP_DBL)(10<<(METADATA_FRACT_BITS+LD_DATA_SHIFT)), fMult( FL2FX_DBL(2*0.30102999566398119521373889472449f), ld_peak));
- peak[i] += (FL2FX_DBL(0.2f)>>METADATA_INT_BITS); /* add a little bit headroom */
+ peak[i] += (FL2FX_DBL(0.5f)>>METADATA_INT_BITS); /* add a little bit headroom */
peak[i] += drcComp->smoothGain[i];
}