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Implements CELT_SET_LOSS_PERC

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This commit is contained in:
Jean-Marc Valin 2011-04-21 10:41:13 -04:00
parent fdd867534a
commit 6965388866
2 changed files with 18 additions and 0 deletions
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15
libcelt/celt.c
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@ -144,6 +144,7 @@ struct CELTEncoder {
int vbr;
int signalling;
int constrained_vbr; /* If zero, VBR can do whatever it likes with the rate */
int loss_rate;
/* Everything beyond this point gets cleared on a reset */
#define ENCODER_RESET_START rng
@ -1142,6 +1143,12 @@ int celt_encode_with_ec_float(CELTEncoder * restrict st, const celt_sig * pcm, i
if (pitch_index > COMBFILTER_MAXPERIOD-2)
pitch_index = COMBFILTER_MAXPERIOD-2;
gain1 = MULT16_16_Q15(QCONST16(.7f,15),gain1);
if (st->loss_rate>2)
gain1 = HALF32(gain1);
if (st->loss_rate>4)
gain1 = HALF32(gain1);
if (st->loss_rate>8)
gain1 = 0;
prefilter_tapset = st->tapset_decision;
} else {
gain1 = 0;
@ -1787,6 +1794,14 @@ int celt_encoder_ctl(CELTEncoder * restrict st, int request, ...)
st->force_intra = value==0;
}
break;
case CELT_SET_LOSS_PERC_REQUEST:
{
int value = va_arg(ap, celt_int32);
if (value<0 || value>100)
goto bad_arg;
st->loss_rate = value;
}
break;
case CELT_SET_VBR_CONSTRAINT_REQUEST:
{
celt_int32 value = va_arg(ap, celt_int32);