internal static void quant_energy_finalise(CeltMode m, int start, int end, int[][] oldEBands, int[][] error, int[] fine_quant, int[] fine_priority, int bits_left, EntropyCoder enc, int C)
{
int i, prio, c;
/* Use up the remaining bits */
for (prio = 0; prio < 2; prio++)
{
for (i = start; i < end && bits_left >= C; i++)
{
if (fine_quant[i] >= CeltConstants.MAX_FINE_BITS || fine_priority[i] != prio)
{
continue;
}
c = 0;
do
{
int q2;
int offset;
q2 = error[c][i] < 0 ? 0 : 1;
enc.enc_bits((uint)q2, 1);
offset = Inlines.SHR16((Inlines.SHL16((q2), CeltConstants.DB_SHIFT) - ((short)(0.5 + (.5f) * (((int)1) << (CeltConstants.DB_SHIFT)))) /*Inlines.QCONST16(.5f, CeltConstants.DB_SHIFT)*/), fine_quant[i] + 1);
oldEBands[c][i] += offset;
bits_left--;
} while (++c < C);
}
}
}
internal static void quant_fine_energy(CeltMode m, int start, int end, int[][] oldEBands, int[][] error, int[] fine_quant, EntropyCoder enc, int C)
{
int i, c;
/* Encode finer resolution */
for (i = start; i < end; i++)
{
int frac = (1 << fine_quant[i]);
if (fine_quant[i] <= 0)
{
continue;
}
c = 0;
do
{
int q2;
int offset;
/* Has to be without rounding */
q2 = (error[c][i] + ((short)(0.5 + (.5f) * (((int)1) << (CeltConstants.DB_SHIFT)))) /*Inlines.QCONST16(.5f, CeltConstants.DB_SHIFT)*/) >> (CeltConstants.DB_SHIFT - fine_quant[i]);
if (q2 > frac - 1)
{
q2 = frac - 1;
}
if (q2 < 0)
{
q2 = 0;
}
enc.enc_bits((uint)q2, (uint)fine_quant[i]);
offset = Inlines.SUB16(
(Inlines.SHR32(
Inlines.SHL32(q2, CeltConstants.DB_SHIFT) + ((short)(0.5 + (.5f) * (((int)1) << (CeltConstants.DB_SHIFT)))) /*Inlines.QCONST16(.5f, CeltConstants.DB_SHIFT)*/,
fine_quant[i])),
((short)(0.5 + (.5f) * (((int)1) << (CeltConstants.DB_SHIFT)))) /*Inlines.QCONST16(.5f, CeltConstants.DB_SHIFT)*/);
oldEBands[c][i] += offset;
error[c][i] -= offset;
} while (++c < C);
}
}
