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Using only a sign for the intra prediction instead of using up to 5 bits for

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an offset.
This commit is contained in:
Jean-Marc Valin 2008-05-05 12:02:14 +10:00
parent 24c9cdaca1
commit 9a8bac019c
4 changed files with 51 additions and 115 deletions
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4
libcelt/bands.c
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@ -331,7 +331,7 @@ void quant_bands(const CELTMode *m, celt_norm_t * restrict X, celt_norm_t *P, ce
if (q<0)
intra_fold(m, X+C*eBands[i], eBands[i+1]-eBands[i], norm, P+C*eBands[i], eBands[i], eBands[m->nbEBands+1]);
else
intra_prediction(m, X+C*eBands[i], W+C*eBands[i], eBands[i+1]-eBands[i], q, norm, P+C*eBands[i], eBands[i], enc);
intra_prediction(m, X+C*eBands[i], W+C*eBands[i], eBands[i+1]-eBands[i], q, norm, P+C*eBands[i], eBands[i], eBands[m->nbEBands+1], enc);
}
if (q > 0)
@ -389,7 +389,7 @@ void unquant_bands(const CELTMode *m, celt_norm_t * restrict X, celt_norm_t *P,
if (q<0)
intra_fold(m, X+C*eBands[i], eBands[i+1]-eBands[i], norm, P+C*eBands[i], eBands[i], eBands[m->nbEBands+1]);
else
intra_unquant(m, X+C*eBands[i], eBands[i+1]-eBands[i], q, norm, P+C*eBands[i], eBands[i], dec);
intra_unquant(m, X+C*eBands[i], eBands[i+1]-eBands[i], q, norm, P+C*eBands[i], eBands[i], eBands[m->nbEBands+1], dec);
}
if (q > 0)