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Revert "Avoid too big changes in isScale"

This reverts commit 226601a8d9bce81455e161a0e26051d2f22c5d7a.

This change doesn't seem to be necessary any longer, a proper
fix seems to be included upstream now in
60a27b7fe5bf2c3b07ae7f679ca67c0c5cba3b00.
This commit is contained in:
Martin Storsjo 2013-11-01 10:58:46 +02:00
parent 321233ee92
commit b41a6f9e81

View File

@ -593,7 +593,6 @@ void FDKaacEnc_IntensityStereoProcessing(
FIXP_DBL realIsScale[MAX_GROUPED_SFB];
INTENSITY_PARAMETERS isParams;
INT isMask[MAX_GROUPED_SFB];
INT lastValIs = 0, delta;
FDKmemclear((void*)isBook,sfbCnt*sizeof(INT));
FDKmemclear((void*)isMask,sfbCnt*sizeof(INT));
@ -749,14 +748,6 @@ void FDKaacEnc_IntensityStereoProcessing(
isScale[sfb+sfboffs] = (INT)(((realIsScale[sfb+sfboffs]>>1)+FL2FXCONST_DBL(0.5f/(1<<(REAL_SCALE_SF+LD_DATA_SHIFT+1))))>>(DFRACT_BITS-1-REAL_SCALE_SF-LD_DATA_SHIFT-1));
}
delta = isScale[sfb+sfboffs] - lastValIs;
if (delta < -CODE_BOOK_SCF_LAV) {
isScale[sfb+sfboffs] = lastValIs - CODE_BOOK_SCF_LAV;
} else if (delta + CODE_BOOK_SCF_LAV >= (INT)(sizeof(FDKaacEnc_huff_ltabscf)/sizeof(FDKaacEnc_huff_ltabscf[0]))) {
isScale[sfb+sfboffs] = lastValIs + sizeof(FDKaacEnc_huff_ltabscf)/sizeof(FDKaacEnc_huff_ltabscf[0]) - CODE_BOOK_SCF_LAV - 1;
}
lastValIs = isScale[sfb+sfboffs];
sfbEnergyRight[sfb+sfboffs] = FL2FXCONST_DBL(0.0f);
sfbEnergyLdDataRight[sfb+sfboffs] = FL2FXCONST_DBL(-1.0f);
sfbThresholdRight[sfb+sfboffs] = FL2FXCONST_DBL(0.0f);