ref: 297195b57ab03c851b6101a5d7db34a19600432d
parent: 4be7fe795ea2ec8ccd3ba33b213e8c26492c3377
author: Jean-Marc Valin <[email protected]>
date: Tue Oct 23 14:29:40 EDT 2012
Removes a bunch of indirections from the CELT encoder and decoder st->mode->overlap st->mode->nbEBands st->overlap st->mode
--- a/celt/celt.c
+++ b/celt/celt.c
@@ -1064,25 +1064,31 @@
opus_int32 tot_boost=0;
opus_val16 sample_max;
opus_val16 maxDepth;
+ const OpusCustomMode *mode;
+ int nbEBands;
+ int overlap;
ALLOC_STACK;
+ mode = st->mode;
+ nbEBands = mode->nbEBands;
+ overlap = mode->overlap;
tf_estimate = QCONST16(1.0f,14);
if (nbCompressedBytes<2 || pcm==NULL)
return OPUS_BAD_ARG;
frame_size *= st->upsample;
- for (LM=0;LM<=st->mode->maxLM;LM++)
- if (st->mode->shortMdctSize<<LM==frame_size)
+ for (LM=0;LM<=mode->maxLM;LM++)
+ if (mode->shortMdctSize<<LM==frame_size)
break;
- if (LM>st->mode->maxLM)
+ if (LM>mode->maxLM)
return OPUS_BAD_ARG;
M=1<<LM;
- N = M*st->mode->shortMdctSize;
+ N = M*mode->shortMdctSize;
prefilter_mem = st->in_mem+CC*(st->overlap);
oldBandE = (opus_val16*)(st->in_mem+CC*(st->overlap+COMBFILTER_MAXPERIOD));
- oldLogE = oldBandE + CC*st->mode->nbEBands;
- oldLogE2 = oldLogE + CC*st->mode->nbEBands;
+ oldLogE = oldBandE + CC*nbEBands;
+ oldLogE2 = oldLogE + CC*nbEBands;
if (enc==NULL)
{@@ -1096,13 +1102,13 @@
#ifdef CUSTOM_MODES
if (st->signalling && enc==NULL)
{- int tmp = (st->mode->effEBands-st->end)>>1;
- st->end = IMAX(1, st->mode->effEBands-tmp);
+ int tmp = (mode->effEBands-st->end)>>1;
+ st->end = IMAX(1, mode->effEBands-tmp);
compressed[0] = tmp<<5;
compressed[0] |= LM<<3;
compressed[0] |= (C==2)<<2;
/* Convert "standard mode" to Opus header */
- if (st->mode->Fs==48000 && st->mode->shortMdctSize==120)
+ if (mode->Fs==48000 && mode->shortMdctSize==120)
{int c0 = toOpus(compressed[0]);
if (c0<0)
@@ -1122,7 +1128,7 @@
if (st->vbr && st->bitrate!=OPUS_BITRATE_MAX)
{- opus_int32 den=st->mode->Fs>>BITRES;
+ opus_int32 den=mode->Fs>>BITRES;
vbr_rate=(st->bitrate*frame_size+(den>>1))/den;
#ifdef CUSTOM_MODES
if (st->signalling)
@@ -1137,7 +1143,7 @@
tmp += tell;
if (st->bitrate!=OPUS_BITRATE_MAX)
nbCompressedBytes = IMAX(2, IMIN(nbCompressedBytes,
- (tmp+4*st->mode->Fs)/(8*st->mode->Fs)-!!st->signalling));
+ (tmp+4*mode->Fs)/(8*mode->Fs)-!!st->signalling));
effectiveBytes = nbCompressedBytes;
}
@@ -1176,13 +1182,13 @@
total_bits = nbCompressedBytes*8;
effEnd = st->end;
- if (effEnd > st->mode->effEBands)
- effEnd = st->mode->effEBands;
+ if (effEnd > mode->effEBands)
+ effEnd = mode->effEBands;
ALLOC(in, CC*(N+st->overlap), celt_sig);
- sample_max=MAX16(st->overlap_max, celt_maxabs16(pcm, C*(N-st->mode->overlap)/st->upsample));
- st->overlap_max=celt_maxabs16(pcm+C*(N-st->mode->overlap)/st->upsample, C*st->mode->overlap/st->upsample);
+ sample_max=MAX16(st->overlap_max, celt_maxabs16(pcm, C*(N-overlap)/st->upsample));
+ st->overlap_max=celt_maxabs16(pcm+C*(N-overlap)/st->upsample, C*overlap/st->upsample);
sample_max=MAX16(sample_max, st->overlap_max);
/* Find pitch period and gain */
{@@ -1218,10 +1224,10 @@
x = 0;
}
/* Apply pre-emphasis */
- tmp = MULT16_16(st->mode->preemph[2], x);
+ tmp = MULT16_16(mode->preemph[2], x);
*inp = tmp + st->preemph_memE[c];
- st->preemph_memE[c] = MULT16_32_Q15(st->mode->preemph[1], *inp)
- - MULT16_32_Q15(st->mode->preemph[0], tmp);
+ st->preemph_memE[c] = MULT16_32_Q15(mode->preemph[1], *inp)
+ - MULT16_32_Q15(mode->preemph[0], tmp);
inp++;
}
OPUS_COPY(pre[c], prefilter_mem+c*COMBFILTER_MAXPERIOD, COMBFILTER_MAXPERIOD);
@@ -1343,7 +1349,7 @@
/*printf("%d %f\n", pitch_index, gain1);*/ c=0; do {- int offset = st->mode->shortMdctSize-st->mode->overlap;
+ int offset = mode->shortMdctSize-overlap;
st->prefilter_period=IMAX(st->prefilter_period, COMBFILTER_MINPERIOD);
OPUS_COPY(in+c*(N+st->overlap), st->in_mem+c*(st->overlap), st->overlap);
if (offset)
@@ -1353,7 +1359,7 @@
comb_filter(in+c*(N+st->overlap)+st->overlap+offset, pre[c]+COMBFILTER_MAXPERIOD+offset,
st->prefilter_period, pitch_index, N-offset, -st->prefilter_gain, -gain1,
- st->prefilter_tapset, prefilter_tapset, st->mode->window, st->mode->overlap);
+ st->prefilter_tapset, prefilter_tapset, mode->window, overlap);
OPUS_COPY(st->in_mem+c*(st->overlap), in+c*(N+st->overlap)+N, st->overlap);
if (N>COMBFILTER_MAXPERIOD)
@@ -1383,10 +1389,10 @@
}
ALLOC(freq, CC*N, celt_sig); /**< Interleaved signal MDCTs */
- ALLOC(bandE,st->mode->nbEBands*CC, celt_ener);
- ALLOC(bandLogE,st->mode->nbEBands*CC, opus_val16);
+ ALLOC(bandE,nbEBands*CC, celt_ener);
+ ALLOC(bandLogE,nbEBands*CC, opus_val16);
/* Compute MDCTs */
- compute_mdcts(st->mode, shortBlocks, in, freq, CC, LM);
+ compute_mdcts(mode, shortBlocks, in, freq, CC, LM);
if (CC==2&&C==1)
{@@ -1405,20 +1411,20 @@
freq[c*N+i] = 0;
} while (++c<C);
}
- compute_band_energies(st->mode, freq, bandE, effEnd, C, M);
+ compute_band_energies(mode, freq, bandE, effEnd, C, M);
- amp2Log2(st->mode, effEnd, st->end, bandE, bandLogE, C);
+ amp2Log2(mode, effEnd, st->end, bandE, bandLogE, C);
/*for (i=0;i<21;i++)
printf("%f ", bandLogE[i]); printf("\n");*/- ALLOC(bandLogE2, C*st->mode->nbEBands, opus_val16);
+ ALLOC(bandLogE2, C*nbEBands, opus_val16);
if (shortBlocks && st->complexity>=8)
{VARDECL(celt_sig, freq2);
VARDECL(opus_val32, bandE2);
ALLOC(freq2, CC*N, celt_sig);
- compute_mdcts(st->mode, 0, in, freq2, CC, LM);
+ compute_mdcts(mode, 0, in, freq2, CC, LM);
if (CC==2&&C==1)
{for (i=0;i<N;i++)
@@ -1435,13 +1441,13 @@
freq2[c*N+i] = 0;
} while (++c<C);
}
- ALLOC(bandE2, C*st->mode->nbEBands, opus_val32);
- compute_band_energies(st->mode, freq2, bandE2, effEnd, C, M);
- amp2Log2(st->mode, effEnd, st->end, bandE2, bandLogE2, C);
- for (i=0;i<C*st->mode->nbEBands;i++)
+ ALLOC(bandE2, C*nbEBands, opus_val32);
+ compute_band_energies(mode, freq2, bandE2, effEnd, C, M);
+ amp2Log2(mode, effEnd, st->end, bandE2, bandLogE2, C);
+ for (i=0;i<C*nbEBands;i++)
bandLogE2[i] += HALF16(SHL16(LM, DB_SHIFT));
} else {- for (i=0;i<C*st->mode->nbEBands;i++)
+ for (i=0;i<C*nbEBands;i++)
bandLogE2[i] = bandLogE[i];
}
@@ -1448,15 +1454,15 @@
ALLOC(X, C*N, celt_norm); /**< Interleaved normalised MDCTs */
/* Band normalisation */
- normalise_bands(st->mode, freq, X, bandE, effEnd, C, M);
+ normalise_bands(mode, freq, X, bandE, effEnd, C, M);
- ALLOC(tf_res, st->mode->nbEBands, int);
- tf_select = tf_analysis(st->mode, effEnd, C, isTransient, tf_res, effectiveBytes, X, N, LM, &tf_sum, tf_estimate, tf_chan);
+ ALLOC(tf_res, nbEBands, int);
+ tf_select = tf_analysis(mode, effEnd, C, isTransient, tf_res, effectiveBytes, X, N, LM, &tf_sum, tf_estimate, tf_chan);
for (i=effEnd;i<st->end;i++)
tf_res[i] = tf_res[effEnd-1];
- ALLOC(error, C*st->mode->nbEBands, opus_val16);
- quant_coarse_energy(st->mode, st->start, st->end, effEnd, bandLogE,
+ ALLOC(error, C*nbEBands, opus_val16);
+ quant_coarse_energy(mode, st->start, st->end, effEnd, bandLogE,
oldBandE, total_bits, error, enc,
C, LM, nbAvailableBytes, st->force_intra,
&st->delayedIntra, st->complexity >= 4, st->loss_rate);
@@ -1479,7 +1485,7 @@
st->spread_decision = hysteresis_decision(-st->analysis.tonality, spread_thresholds, spread_histeresis, 3, st->spread_decision);
st->tapset_decision = hysteresis_decision(st->analysis.tonality_slope, tapset_thresholds, tapset_histeresis, 2, st->tapset_decision);
} else {- st->spread_decision = spreading_decision(st->mode, X,
+ st->spread_decision = spreading_decision(mode, X,
&st->tonal_average, st->spread_decision, &st->hf_average,
&st->tapset_decision, pf_on&&!shortBlocks, effEnd, C, M);
}
@@ -1489,11 +1495,11 @@
ec_enc_icdf(enc, st->spread_decision, spread_icdf, 5);
}
- ALLOC(cap, st->mode->nbEBands, int);
- ALLOC(offsets, st->mode->nbEBands, int);
+ ALLOC(cap, nbEBands, int);
+ ALLOC(offsets, nbEBands, int);
- init_caps(st->mode,cap,LM,C);
- for (i=0;i<st->mode->nbEBands;i++)
+ init_caps(mode,cap,LM,C);
+ for (i=0;i<nbEBands;i++)
offsets[i] = 0;
/* Dynamic allocation code */
maxDepth=-QCONST16(32.f, DB_SHIFT);
@@ -1502,31 +1508,31 @@
{int last=0;
VARDECL(opus_val16, follower);
- ALLOC(follower, C*st->mode->nbEBands, opus_val16);
+ ALLOC(follower, C*nbEBands, opus_val16);
c=0;do
{- follower[c*st->mode->nbEBands] = bandLogE2[c*st->mode->nbEBands];
+ follower[c*nbEBands] = bandLogE2[c*nbEBands];
for (i=1;i<st->end;i++)
{/* The last band to be at least 3 dB higher than the previous one
is the last we'll consider. Otherwise, we run into problems on
bandlimited signals. */
- if (bandLogE2[c*st->mode->nbEBands+i] > bandLogE2[c*st->mode->nbEBands+i-1]+QCONST16(.5f,DB_SHIFT))
+ if (bandLogE2[c*nbEBands+i] > bandLogE2[c*nbEBands+i-1]+QCONST16(.5f,DB_SHIFT))
last=i;
- follower[c*st->mode->nbEBands+i] = MIN16(follower[c*st->mode->nbEBands+i-1]+QCONST16(1.5f,DB_SHIFT), bandLogE2[c*st->mode->nbEBands+i]);
+ follower[c*nbEBands+i] = MIN16(follower[c*nbEBands+i-1]+QCONST16(1.5f,DB_SHIFT), bandLogE2[c*nbEBands+i]);
}
for (i=last-1;i>=0;i--)
- follower[c*st->mode->nbEBands+i] = MIN16(follower[c*st->mode->nbEBands+i], MIN16(follower[c*st->mode->nbEBands+i+1]+QCONST16(2.f,DB_SHIFT), bandLogE2[c*st->mode->nbEBands+i]));
+ follower[c*nbEBands+i] = MIN16(follower[c*nbEBands+i], MIN16(follower[c*nbEBands+i+1]+QCONST16(2.f,DB_SHIFT), bandLogE2[c*nbEBands+i]));
for (i=0;i<st->end;i++)
{opus_val16 noise_floor;
/* Noise floor must take into account eMeans, the depth, the width of the bands
and the preemphasis filter (approx. square of bark band ID) */
- noise_floor = MULT16_16(QCONST16(0.0625f, DB_SHIFT),st->mode->logN[i])
+ noise_floor = MULT16_16(QCONST16(0.0625f, DB_SHIFT),mode->logN[i])
+QCONST16(.5f,DB_SHIFT)+SHL16(9-st->lsb_depth,DB_SHIFT)-SHL16(eMeans[i],6)
+MULT16_16(QCONST16(.0062,DB_SHIFT),(i+5)*(i+5));
- follower[c*st->mode->nbEBands+i] = MAX16(follower[c*st->mode->nbEBands+i], noise_floor);
- maxDepth = MAX16(maxDepth, bandLogE[c*st->mode->nbEBands+i]-noise_floor);
+ follower[c*nbEBands+i] = MAX16(follower[c*nbEBands+i], noise_floor);
+ maxDepth = MAX16(maxDepth, bandLogE[c*nbEBands+i]-noise_floor);
}
} while (++c<C);
if (C==2)
@@ -1534,9 +1540,9 @@
for (i=st->start;i<st->end;i++)
{/* Consider 24 dB "cross-talk" */
- follower[st->mode->nbEBands+i] = MAX16(follower[st->mode->nbEBands+i], follower[ i]-QCONST16(4.f,DB_SHIFT));
- follower[ i] = MAX16(follower[ i], follower[st->mode->nbEBands+i]-QCONST16(4.f,DB_SHIFT));
- follower[i] = HALF16(MAX16(0, bandLogE[i]-follower[i]) + MAX16(0, bandLogE[st->mode->nbEBands+i]-follower[st->mode->nbEBands+i]));
+ follower[nbEBands+i] = MAX16(follower[nbEBands+i], follower[ i]-QCONST16(4.f,DB_SHIFT));
+ follower[ i] = MAX16(follower[ i], follower[nbEBands+i]-QCONST16(4.f,DB_SHIFT));
+ follower[i] = HALF16(MAX16(0, bandLogE[i]-follower[i]) + MAX16(0, bandLogE[nbEBands+i]-follower[nbEBands+i]));
}
} else {for (i=st->start;i<st->end;i++)
@@ -1563,7 +1569,7 @@
follower[i] = MIN16(follower[i], QCONST16(4, DB_SHIFT));
/* FIXME: Adaptively reduce follower at low rate or for cbr/cvbr */
- width = C*(st->mode->eBands[i+1]-st->mode->eBands[i])<<LM;
+ width = C*(mode->eBands[i+1]-mode->eBands[i])<<LM;
if (width<6)
{boost = SHR32(EXTEND32(follower[i]),DB_SHIFT);
@@ -1597,7 +1603,7 @@
int dynalloc_loop_logp;
int boost;
int j;
- width = C*(st->mode->eBands[i+1]-st->mode->eBands[i])<<LM;
+ width = C*(mode->eBands[i+1]-mode->eBands[i])<<LM;
/* quanta is 6 bits, but no more than 1 bit/sample
and no less than 1/8 bit/sample */
quanta = IMIN(width<<BITRES, IMAX(6<<BITRES, width));
@@ -1634,7 +1640,7 @@
/* Always use MS for 2.5 ms frames until we can do a better analysis */
if (LM!=0)
- dual_stereo = stereo_analysis(st->mode, X, LM, N);
+ dual_stereo = stereo_analysis(mode, X, LM, N);
/* Account for coarse energy */
effectiveRate = (8*effectiveBytes - 80)>>LM;
@@ -1649,7 +1655,7 @@
alloc_trim = 5;
if (tell+(6<<BITRES) <= total_bits - total_boost)
{- alloc_trim = alloc_trim_analysis(st->mode, X, bandLogE,
+ alloc_trim = alloc_trim_analysis(mode, X, bandLogE,
st->end, LM, C, N, &st->analysis, &st->stereo_saving, tf_estimate, st->intensity);
ec_enc_icdf(enc, alloc_trim, trim_icdf, 7);
tell = ec_tell_frac(enc);
@@ -1665,11 +1671,11 @@
opus_int32 min_allowed;
int coded_bins;
int coded_bands;
- int lm_diff = st->mode->maxLM - LM;
- coded_bands = st->lastCodedBands ? st->lastCodedBands : st->mode->nbEBands;
- coded_bins = st->mode->eBands[coded_bands]<<LM;
+ int lm_diff = mode->maxLM - LM;
+ coded_bands = st->lastCodedBands ? st->lastCodedBands : nbEBands;
+ coded_bins = mode->eBands[coded_bands]<<LM;
if (C==2)
- coded_bins += st->mode->eBands[IMIN(st->intensity, coded_bands)]<<LM;
+ coded_bins += mode->eBands[IMIN(st->intensity, coded_bands)]<<LM;
/* Don't attempt to use more than 510 kb/s, even for frames smaller than 20 ms.
The CELT allocator will just not be able to use more than that anyway. */
@@ -1691,7 +1697,7 @@
int coded_stereo_bands;
int coded_stereo_dof;
coded_stereo_bands = IMIN(st->intensity, coded_bands);
- coded_stereo_dof = (st->mode->eBands[coded_stereo_bands]<<LM)-coded_stereo_bands;
+ coded_stereo_dof = (mode->eBands[coded_stereo_bands]<<LM)-coded_stereo_bands;
/*printf("%d %d %d ", coded_stereo_dof, coded_bins, tot_boost);*/target -= MIN32(target/3, SHR16(MULT16_16(st->stereo_saving,(coded_stereo_dof<<BITRES)),8));
target += MULT16_16_Q15(QCONST16(0.035,15),coded_stereo_dof<<BITRES);
@@ -1724,7 +1730,7 @@
{opus_int32 floor_depth;
int bins;
- bins = st->mode->eBands[st->mode->nbEBands-2]<<LM;
+ bins = mode->eBands[nbEBands-2]<<LM;
/*floor_depth = SHR32(MULT16_16((C*bins<<BITRES),celt_log2(SHL32(MAX16(1,sample_max),13))), DB_SHIFT);*/
floor_depth = SHR32(MULT16_16((C*bins<<BITRES),maxDepth), DB_SHIFT);
floor_depth = IMAX(floor_depth, target>>2);
@@ -1813,20 +1819,20 @@
}
/* Bit allocation */
- ALLOC(fine_quant, st->mode->nbEBands, int);
- ALLOC(pulses, st->mode->nbEBands, int);
- ALLOC(fine_priority, st->mode->nbEBands, int);
+ ALLOC(fine_quant, nbEBands, int);
+ ALLOC(pulses, nbEBands, int);
+ ALLOC(fine_priority, nbEBands, int);
/* bits = packet size - where we are - safety*/
bits = (((opus_int32)nbCompressedBytes*8)<<BITRES) - ec_tell_frac(enc) - 1;
anti_collapse_rsv = isTransient&&LM>=2&&bits>=((LM+2)<<BITRES) ? (1<<BITRES) : 0;
bits -= anti_collapse_rsv;
- codedBands = compute_allocation(st->mode, st->start, st->end, offsets, cap,
+ codedBands = compute_allocation(mode, st->start, st->end, offsets, cap,
alloc_trim, &st->intensity, &dual_stereo, bits, &balance, pulses,
fine_quant, fine_priority, C, LM, enc, 1, st->lastCodedBands);
st->lastCodedBands = codedBands;
- quant_fine_energy(st->mode, st->start, st->end, oldBandE, error, fine_quant, enc, C);
+ quant_fine_energy(mode, st->start, st->end, oldBandE, error, fine_quant, enc, C);
#ifdef MEASURE_NORM_MSE
float X0[3000];
@@ -1835,13 +1841,13 @@
for (i=0;i<N;i++)
X0[i+c*N] = X[i+c*N];
while (++c<C);
- for (i=0;i<C*st->mode->nbEBands;i++)
+ for (i=0;i<C*nbEBands;i++)
bandE0[i] = bandE[i];
#endif
/* Residual quantisation */
- ALLOC(collapse_masks, C*st->mode->nbEBands, unsigned char);
- quant_all_bands(1, st->mode, st->start, st->end, X, C==2 ? X+N : NULL, collapse_masks,
+ ALLOC(collapse_masks, C*nbEBands, unsigned char);
+ quant_all_bands(1, mode, st->start, st->end, X, C==2 ? X+N : NULL, collapse_masks,
bandE, pulses, shortBlocks, st->spread_decision, dual_stereo, st->intensity, tf_res,
nbCompressedBytes*(8<<BITRES)-anti_collapse_rsv, balance, enc, LM, codedBands, &st->rng);
@@ -1853,11 +1859,11 @@
#endif
ec_enc_bits(enc, anti_collapse_on, 1);
}
- quant_energy_finalise(st->mode, st->start, st->end, oldBandE, error, fine_quant, fine_priority, nbCompressedBytes*8-ec_tell(enc), enc, C);
+ quant_energy_finalise(mode, st->start, st->end, oldBandE, error, fine_quant, fine_priority, nbCompressedBytes*8-ec_tell(enc), enc, C);
if (silence)
{- for (i=0;i<C*st->mode->nbEBands;i++)
+ for (i=0;i<C*nbEBands;i++)
oldBandE[i] = -QCONST16(28.f,DB_SHIFT);
}
@@ -1867,24 +1873,24 @@
celt_sig *out_mem[2];
celt_sig *overlap_mem[2];
- log2Amp(st->mode, st->start, st->end, bandE, oldBandE, C);
+ log2Amp(mode, st->start, st->end, bandE, oldBandE, C);
if (silence)
{- for (i=0;i<C*st->mode->nbEBands;i++)
+ for (i=0;i<C*nbEBands;i++)
bandE[i] = 0;
}
#ifdef MEASURE_NORM_MSE
- measure_norm_mse(st->mode, X, X0, bandE, bandE0, M, N, C);
+ measure_norm_mse(mode, X, X0, bandE, bandE0, M, N, C);
#endif
if (anti_collapse_on)
{- anti_collapse(st->mode, X, collapse_masks, LM, C, N,
+ anti_collapse(mode, X, collapse_masks, LM, C, N,
st->start, st->end, oldBandE, oldLogE, oldLogE2, pulses, st->rng);
}
/* Synthesis */
- denormalise_bands(st->mode, X, freq, bandE, effEnd, C, M);
+ denormalise_bands(mode, X, freq, bandE, effEnd, C, M);
OPUS_MOVE(st->syn_mem[0], st->syn_mem[0]+N, MAX_PERIOD);
if (CC==2)
@@ -1891,11 +1897,11 @@
OPUS_MOVE(st->syn_mem[1], st->syn_mem[1]+N, MAX_PERIOD);
c=0; do
- for (i=0;i<M*st->mode->eBands[st->start];i++)
+ for (i=0;i<M*mode->eBands[st->start];i++)
freq[c*N+i] = 0;
while (++c<C);
c=0; do
- for (i=M*st->mode->eBands[st->end];i<N;i++)
+ for (i=M*mode->eBands[st->end];i<N;i++)
freq[c*N+i] = 0;
while (++c<C);
@@ -1909,26 +1915,26 @@
if (CC==2)
out_mem[1] = st->syn_mem[1]+MAX_PERIOD;
- overlap_mem[0] = (celt_sig*)(oldLogE2 + CC*st->mode->nbEBands);
+ overlap_mem[0] = (celt_sig*)(oldLogE2 + CC*nbEBands);
if (CC==2)
overlap_mem[1] = overlap_mem[0] + st->overlap;
- compute_inv_mdcts(st->mode, shortBlocks, freq, out_mem, overlap_mem, CC, LM);
+ compute_inv_mdcts(mode, shortBlocks, freq, out_mem, overlap_mem, CC, LM);
c=0; do {st->prefilter_period=IMAX(st->prefilter_period, COMBFILTER_MINPERIOD);
st->prefilter_period_old=IMAX(st->prefilter_period_old, COMBFILTER_MINPERIOD);
- comb_filter(out_mem[c], out_mem[c], st->prefilter_period_old, st->prefilter_period, st->mode->shortMdctSize,
+ comb_filter(out_mem[c], out_mem[c], st->prefilter_period_old, st->prefilter_period, mode->shortMdctSize,
st->prefilter_gain_old, st->prefilter_gain, st->prefilter_tapset_old, st->prefilter_tapset,
- st->mode->window, st->overlap);
+ mode->window, st->overlap);
if (LM!=0)
- comb_filter(out_mem[c]+st->mode->shortMdctSize, out_mem[c]+st->mode->shortMdctSize, st->prefilter_period, pitch_index, N-st->mode->shortMdctSize,
+ comb_filter(out_mem[c]+mode->shortMdctSize, out_mem[c]+mode->shortMdctSize, st->prefilter_period, pitch_index, N-mode->shortMdctSize,
st->prefilter_gain, gain1, st->prefilter_tapset, prefilter_tapset,
- st->mode->window, st->mode->overlap);
+ mode->window, overlap);
} while (++c<CC);
/* We reuse freq[] as scratch space for the de-emphasis */
- deemphasis(out_mem, (opus_val16*)pcm, N, CC, st->upsample, st->mode->preemph, st->preemph_memD, freq);
+ deemphasis(out_mem, (opus_val16*)pcm, N, CC, st->upsample, mode->preemph, st->preemph_memD, freq);
st->prefilter_period_old = st->prefilter_period;
st->prefilter_gain_old = st->prefilter_gain;
st->prefilter_tapset_old = st->prefilter_tapset;
@@ -1948,18 +1954,18 @@
#endif
if (CC==2&&C==1) {- for (i=0;i<st->mode->nbEBands;i++)
- oldBandE[st->mode->nbEBands+i]=oldBandE[i];
+ for (i=0;i<nbEBands;i++)
+ oldBandE[nbEBands+i]=oldBandE[i];
}
if (!isTransient)
{- for (i=0;i<CC*st->mode->nbEBands;i++)
+ for (i=0;i<CC*nbEBands;i++)
oldLogE2[i] = oldLogE[i];
- for (i=0;i<CC*st->mode->nbEBands;i++)
+ for (i=0;i<CC*nbEBands;i++)
oldLogE[i] = oldBandE[i];
} else {- for (i=0;i<CC*st->mode->nbEBands;i++)
+ for (i=0;i<CC*nbEBands;i++)
oldLogE[i] = MIN16(oldLogE[i], oldBandE[i]);
}
/* In case start or end were to change */
@@ -1967,13 +1973,13 @@
{for (i=0;i<st->start;i++)
{- oldBandE[c*st->mode->nbEBands+i]=0;
- oldLogE[c*st->mode->nbEBands+i]=oldLogE2[c*st->mode->nbEBands+i]=-QCONST16(28.f,DB_SHIFT);
+ oldBandE[c*nbEBands+i]=0;
+ oldLogE[c*nbEBands+i]=oldLogE2[c*nbEBands+i]=-QCONST16(28.f,DB_SHIFT);
}
- for (i=st->end;i<st->mode->nbEBands;i++)
+ for (i=st->end;i<nbEBands;i++)
{- oldBandE[c*st->mode->nbEBands+i]=0;
- oldLogE[c*st->mode->nbEBands+i]=oldLogE2[c*st->mode->nbEBands+i]=-QCONST16(28.f,DB_SHIFT);
+ oldBandE[c*nbEBands+i]=0;
+ oldLogE[c*nbEBands+i]=oldLogE2[c*nbEBands+i]=-QCONST16(28.f,DB_SHIFT);
}
} while (++c<CC);
@@ -2660,20 +2666,26 @@
int anti_collapse_on=0;
int silence;
int C = st->stream_channels;
+ const OpusCustomMode *mode;
+ int nbEBands;
+ int overlap;
ALLOC_STACK;
+ mode = st->mode;
+ nbEBands = mode->nbEBands;
+ overlap = mode->overlap;
frame_size *= st->downsample;
c=0; do {- decode_mem[c] = st->_decode_mem + c*(DECODE_BUFFER_SIZE+st->overlap);
+ decode_mem[c] = st->_decode_mem + c*(DECODE_BUFFER_SIZE+overlap);
out_mem[c] = decode_mem[c]+DECODE_BUFFER_SIZE-MAX_PERIOD;
overlap_mem[c] = decode_mem[c]+DECODE_BUFFER_SIZE;
} while (++c<CC);
- lpc = (opus_val16*)(st->_decode_mem+(DECODE_BUFFER_SIZE+st->overlap)*CC);
+ lpc = (opus_val16*)(st->_decode_mem+(DECODE_BUFFER_SIZE+overlap)*CC);
oldBandE = lpc+CC*LPC_ORDER;
- oldLogE = oldBandE + 2*st->mode->nbEBands;
- oldLogE2 = oldLogE + 2*st->mode->nbEBands;
- backgroundLogE = oldLogE2 + 2*st->mode->nbEBands;
+ oldLogE = oldBandE + 2*nbEBands;
+ oldLogE2 = oldLogE + 2*nbEBands;
+ backgroundLogE = oldLogE2 + 2*nbEBands;
#ifdef CUSTOM_MODES
if (st->signalling && data!=NULL)
@@ -2680,31 +2692,31 @@
{int data0=data[0];
/* Convert "standard mode" to Opus header */
- if (st->mode->Fs==48000 && st->mode->shortMdctSize==120)
+ if (mode->Fs==48000 && mode->shortMdctSize==120)
{data0 = fromOpus(data0);
if (data0<0)
return OPUS_INVALID_PACKET;
}
- st->end = IMAX(1, st->mode->effEBands-2*(data0>>5));
+ st->end = IMAX(1, mode->effEBands-2*(data0>>5));
LM = (data0>>3)&0x3;
C = 1 + ((data0>>2)&0x1);
data++;
len--;
- if (LM>st->mode->maxLM)
+ if (LM>mode->maxLM)
return OPUS_INVALID_PACKET;
- if (frame_size < st->mode->shortMdctSize<<LM)
+ if (frame_size < mode->shortMdctSize<<LM)
return OPUS_BUFFER_TOO_SMALL;
else
- frame_size = st->mode->shortMdctSize<<LM;
+ frame_size = mode->shortMdctSize<<LM;
} else {#else
{#endif
- for (LM=0;LM<=st->mode->maxLM;LM++)
- if (st->mode->shortMdctSize<<LM==frame_size)
+ for (LM=0;LM<=mode->maxLM;LM++)
+ if (mode->shortMdctSize<<LM==frame_size)
break;
- if (LM>st->mode->maxLM)
+ if (LM>mode->maxLM)
return OPUS_BAD_ARG;
}
M=1<<LM;
@@ -2712,11 +2724,11 @@
if (len<0 || len>1275 || pcm==NULL)
return OPUS_BAD_ARG;
- N = M*st->mode->shortMdctSize;
+ N = M*mode->shortMdctSize;
effEnd = st->end;
- if (effEnd > st->mode->effEBands)
- effEnd = st->mode->effEBands;
+ if (effEnd > mode->effEBands)
+ effEnd = mode->effEBands;
if (data == NULL || len<=1)
{@@ -2727,13 +2739,13 @@
ALLOC(freq, IMAX(CC,C)*N, celt_sig); /**< Interleaved signal MDCTs */
ALLOC(X, C*N, celt_norm); /**< Interleaved normalised MDCTs */
- ALLOC(bandE, st->mode->nbEBands*C, celt_ener);
+ ALLOC(bandE, nbEBands*C, celt_ener);
c=0; do
- for (i=0;i<M*st->mode->eBands[st->start];i++)
+ for (i=0;i<M*mode->eBands[st->start];i++)
X[c*N+i] = 0;
while (++c<C);
c=0; do
- for (i=M*st->mode->eBands[effEnd];i<N;i++)
+ for (i=M*mode->eBands[effEnd];i<N;i++)
X[c*N+i] = 0;
while (++c<C);
@@ -2745,8 +2757,8 @@
if (C==1)
{- for (i=0;i<st->mode->nbEBands;i++)
- oldBandE[i]=MAX16(oldBandE[i],oldBandE[st->mode->nbEBands+i]);
+ for (i=0;i<nbEBands;i++)
+ oldBandE[i]=MAX16(oldBandE[i],oldBandE[nbEBands+i]);
}
total_bits = len*8;
@@ -2799,10 +2811,10 @@
/* Decode the global flags (first symbols in the stream) */
intra_ener = tell+3<=total_bits ? ec_dec_bit_logp(dec, 3) : 0;
/* Get band energies */
- unquant_coarse_energy(st->mode, st->start, st->end, oldBandE,
+ unquant_coarse_energy(mode, st->start, st->end, oldBandE,
intra_ener, dec, C, LM);
- ALLOC(tf_res, st->mode->nbEBands, int);
+ ALLOC(tf_res, nbEBands, int);
tf_decode(st->start, st->end, isTransient, tf_res, LM, dec);
tell = ec_tell(dec);
@@ -2810,12 +2822,12 @@
if (tell+4 <= total_bits)
spread_decision = ec_dec_icdf(dec, spread_icdf, 5);
- ALLOC(pulses, st->mode->nbEBands, int);
- ALLOC(cap, st->mode->nbEBands, int);
- ALLOC(offsets, st->mode->nbEBands, int);
- ALLOC(fine_priority, st->mode->nbEBands, int);
+ ALLOC(pulses, nbEBands, int);
+ ALLOC(cap, nbEBands, int);
+ ALLOC(offsets, nbEBands, int);
+ ALLOC(fine_priority, nbEBands, int);
- init_caps(st->mode,cap,LM,C);
+ init_caps(mode,cap,LM,C);
dynalloc_logp = 6;
total_bits<<=BITRES;
@@ -2825,7 +2837,7 @@
int width, quanta;
int dynalloc_loop_logp;
int boost;
- width = C*(st->mode->eBands[i+1]-st->mode->eBands[i])<<LM;
+ width = C*(mode->eBands[i+1]-mode->eBands[i])<<LM;
/* quanta is 6 bits, but no more than 1 bit/sample
and no less than 1/8 bit/sample */
quanta = IMIN(width<<BITRES, IMAX(6<<BITRES, width));
@@ -2848,7 +2860,7 @@
dynalloc_logp = IMAX(2, dynalloc_logp-1);
}
- ALLOC(fine_quant, st->mode->nbEBands, int);
+ ALLOC(fine_quant, nbEBands, int);
alloc_trim = tell+(6<<BITRES) <= total_bits ?
ec_dec_icdf(dec, trim_icdf, 7) : 5;
@@ -2855,15 +2867,15 @@
bits = (((opus_int32)len*8)<<BITRES) - ec_tell_frac(dec) - 1;
anti_collapse_rsv = isTransient&&LM>=2&&bits>=((LM+2)<<BITRES) ? (1<<BITRES) : 0;
bits -= anti_collapse_rsv;
- codedBands = compute_allocation(st->mode, st->start, st->end, offsets, cap,
+ codedBands = compute_allocation(mode, st->start, st->end, offsets, cap,
alloc_trim, &intensity, &dual_stereo, bits, &balance, pulses,
fine_quant, fine_priority, C, LM, dec, 0, 0);
- unquant_fine_energy(st->mode, st->start, st->end, oldBandE, fine_quant, dec, C);
+ unquant_fine_energy(mode, st->start, st->end, oldBandE, fine_quant, dec, C);
/* Decode fixed codebook */
- ALLOC(collapse_masks, C*st->mode->nbEBands, unsigned char);
- quant_all_bands(0, st->mode, st->start, st->end, X, C==2 ? X+N : NULL, collapse_masks,
+ ALLOC(collapse_masks, C*nbEBands, unsigned char);
+ quant_all_bands(0, mode, st->start, st->end, X, C==2 ? X+N : NULL, collapse_masks,
NULL, pulses, shortBlocks, spread_decision, dual_stereo, intensity, tf_res,
len*(8<<BITRES)-anti_collapse_rsv, balance, dec, LM, codedBands, &st->rng);
@@ -2872,18 +2884,18 @@
anti_collapse_on = ec_dec_bits(dec, 1);
}
- unquant_energy_finalise(st->mode, st->start, st->end, oldBandE,
+ unquant_energy_finalise(mode, st->start, st->end, oldBandE,
fine_quant, fine_priority, len*8-ec_tell(dec), dec, C);
if (anti_collapse_on)
- anti_collapse(st->mode, X, collapse_masks, LM, C, N,
+ anti_collapse(mode, X, collapse_masks, LM, C, N,
st->start, st->end, oldBandE, oldLogE, oldLogE2, pulses, st->rng);
- log2Amp(st->mode, st->start, st->end, bandE, oldBandE, C);
+ log2Amp(mode, st->start, st->end, bandE, oldBandE, C);
if (silence)
{- for (i=0;i<C*st->mode->nbEBands;i++)
+ for (i=0;i<C*nbEBands;i++)
{bandE[i] = 0;
oldBandE[i] = -QCONST16(28.f,DB_SHIFT);
@@ -2890,7 +2902,7 @@
}
}
/* Synthesis */
- denormalise_bands(st->mode, X, freq, bandE, effEnd, C, M);
+ denormalise_bands(mode, X, freq, bandE, effEnd, C, M);
OPUS_MOVE(decode_mem[0], decode_mem[0]+N, DECODE_BUFFER_SIZE-N);
if (CC==2)
@@ -2897,11 +2909,11 @@
OPUS_MOVE(decode_mem[1], decode_mem[1]+N, DECODE_BUFFER_SIZE-N);
c=0; do
- for (i=0;i<M*st->mode->eBands[st->start];i++)
+ for (i=0;i<M*mode->eBands[st->start];i++)
freq[c*N+i] = 0;
while (++c<C);
c=0; do {- int bound = M*st->mode->eBands[effEnd];
+ int bound = M*mode->eBands[effEnd];
if (st->downsample!=1)
bound = IMIN(bound, N/st->downsample);
for (i=bound;i<N;i++)
@@ -2924,18 +2936,18 @@
}
/* Compute inverse MDCTs */
- compute_inv_mdcts(st->mode, shortBlocks, freq, out_syn, overlap_mem, CC, LM);
+ compute_inv_mdcts(mode, shortBlocks, freq, out_syn, overlap_mem, CC, LM);
c=0; do {st->postfilter_period=IMAX(st->postfilter_period, COMBFILTER_MINPERIOD);
st->postfilter_period_old=IMAX(st->postfilter_period_old, COMBFILTER_MINPERIOD);
- comb_filter(out_syn[c], out_syn[c], st->postfilter_period_old, st->postfilter_period, st->mode->shortMdctSize,
+ comb_filter(out_syn[c], out_syn[c], st->postfilter_period_old, st->postfilter_period, mode->shortMdctSize,
st->postfilter_gain_old, st->postfilter_gain, st->postfilter_tapset_old, st->postfilter_tapset,
- st->mode->window, st->overlap);
+ mode->window, overlap);
if (LM!=0)
- comb_filter(out_syn[c]+st->mode->shortMdctSize, out_syn[c]+st->mode->shortMdctSize, st->postfilter_period, postfilter_pitch, N-st->mode->shortMdctSize,
+ comb_filter(out_syn[c]+mode->shortMdctSize, out_syn[c]+mode->shortMdctSize, st->postfilter_period, postfilter_pitch, N-mode->shortMdctSize,
st->postfilter_gain, postfilter_gain, st->postfilter_tapset, postfilter_tapset,
- st->mode->window, st->mode->overlap);
+ mode->window, overlap);
} while (++c<CC);
st->postfilter_period_old = st->postfilter_period;
@@ -2952,21 +2964,21 @@
}
if (C==1) {- for (i=0;i<st->mode->nbEBands;i++)
- oldBandE[st->mode->nbEBands+i]=oldBandE[i];
+ for (i=0;i<nbEBands;i++)
+ oldBandE[nbEBands+i]=oldBandE[i];
}
/* In case start or end were to change */
if (!isTransient)
{- for (i=0;i<2*st->mode->nbEBands;i++)
+ for (i=0;i<2*nbEBands;i++)
oldLogE2[i] = oldLogE[i];
- for (i=0;i<2*st->mode->nbEBands;i++)
+ for (i=0;i<2*nbEBands;i++)
oldLogE[i] = oldBandE[i];
- for (i=0;i<2*st->mode->nbEBands;i++)
+ for (i=0;i<2*nbEBands;i++)
backgroundLogE[i] = MIN16(backgroundLogE[i] + M*QCONST16(0.001f,DB_SHIFT), oldBandE[i]);
} else {- for (i=0;i<2*st->mode->nbEBands;i++)
+ for (i=0;i<2*nbEBands;i++)
oldLogE[i] = MIN16(oldLogE[i], oldBandE[i]);
}
c=0; do
@@ -2973,19 +2985,19 @@
{for (i=0;i<st->start;i++)
{- oldBandE[c*st->mode->nbEBands+i]=0;
- oldLogE[c*st->mode->nbEBands+i]=oldLogE2[c*st->mode->nbEBands+i]=-QCONST16(28.f,DB_SHIFT);
+ oldBandE[c*nbEBands+i]=0;
+ oldLogE[c*nbEBands+i]=oldLogE2[c*nbEBands+i]=-QCONST16(28.f,DB_SHIFT);
}
- for (i=st->end;i<st->mode->nbEBands;i++)
+ for (i=st->end;i<nbEBands;i++)
{- oldBandE[c*st->mode->nbEBands+i]=0;
- oldLogE[c*st->mode->nbEBands+i]=oldLogE2[c*st->mode->nbEBands+i]=-QCONST16(28.f,DB_SHIFT);
+ oldBandE[c*nbEBands+i]=0;
+ oldLogE[c*nbEBands+i]=oldLogE2[c*nbEBands+i]=-QCONST16(28.f,DB_SHIFT);
}
} while (++c<2);
st->rng = dec->rng;
/* We reuse freq[] as scratch space for the de-emphasis */
- deemphasis(out_syn, pcm, N, CC, st->downsample, st->mode->preemph, st->preemph_memD, freq);
+ deemphasis(out_syn, pcm, N, CC, st->downsample, mode->preemph, st->preemph_memD, freq);
st->loss_count = 0;
RESTORE_STACK;
if (ec_tell(dec) > 8*len)