ref: 9eee106214169e77767b7c91777c4ecb3cb7cd04
parent: 3d1b13f507deb0c41d0b151994bf65092a5d4053
author: Jean-Marc Valin <jmvalin@jmvalin.ca>
date: Mon Jan 4 18:29:36 EST 2016
cleanup: putting resynth flag in the context
--- a/celt/bands.c
+++ b/celt/bands.c
@@ -647,6 +647,7 @@
struct band_ctx {int encode;
+ int resynth;
const CELTMode *m;
int i;
int intensity;
@@ -845,11 +846,6 @@
static unsigned quant_band_n1(struct band_ctx *ctx, celt_norm *X, celt_norm *Y, int b,
celt_norm *lowband_out)
{-#ifdef RESYNTH
- int resynth = 1;
-#else
- int resynth = !ctx->encode;
-#endif
int c;
int stereo;
celt_norm *x = X;
@@ -874,7 +870,7 @@
ctx->remaining_bits -= 1<<BITRES;
b-=1<<BITRES;
}
- if (resynth)
+ if (ctx->resynth)
x[0] = sign ? -NORM_SCALING : NORM_SCALING;
x = Y;
} while (++c<1+stereo);
@@ -899,11 +895,6 @@
int B0=B;
opus_val16 mid=0, side=0;
unsigned cm=0;
-#ifdef RESYNTH
- int resynth = 1;
-#else
- int resynth = !ctx->encode;
-#endif
celt_norm *Y=NULL;
int encode;
const CELTMode *m;
@@ -1007,11 +998,7 @@
/* Finally do the actual quantization */
if (encode)
{- cm = alg_quant(X, N, K, spread, B, ec
-#ifdef RESYNTH
- , gain
-#endif
- );
+ cm = alg_quant(X, N, K, spread, B, ec, gain, ctx->resynth);
} else {cm = alg_unquant(X, N, K, spread, B, ec, gain);
}
@@ -1018,7 +1005,7 @@
} else {/* If there's no pulse, fill the band anyway */
int j;
- if (resynth)
+ if (ctx->resynth)
{unsigned cm_mask;
/* B can be as large as 16, so this shift might overflow an int on a
@@ -1075,11 +1062,6 @@
int recombine=0;
int longBlocks;
unsigned cm=0;
-#ifdef RESYNTH
- int resynth = 1;
-#else
- int resynth = !ctx->encode;
-#endif
int k;
int encode;
int tf_change;
@@ -1149,7 +1131,7 @@
cm = quant_partition(ctx, X, N, b, B, lowband, LM, gain, fill);
/* This code is used by the decoder and by the resynthesis-enabled encoder */
- if (resynth)
+ if (ctx->resynth)
{/* Undo the sample reorganization going from time order to frequency order */
if (B0>1)
@@ -1202,11 +1184,6 @@
int inv = 0;
opus_val16 mid=0, side=0;
unsigned cm=0;
-#ifdef RESYNTH
- int resynth = 1;
-#else
- int resynth = !ctx->encode;
-#endif
int mbits, sbits, delta;
int itheta;
int qalloc;
@@ -1280,7 +1257,7 @@
and there's no need to worry about mixing with the other channel. */
y2[0] = -sign*x2[1];
y2[1] = sign*x2[0];
- if (resynth)
+ if (ctx->resynth)
{celt_norm tmp;
X[0] = MULT16_16_Q15(mid, X[0]);
@@ -1332,7 +1309,7 @@
/* This code is used by the decoder and by the resynthesis-enabled encoder */
- if (resynth)
+ if (ctx->resynth)
{if (N!=2)
stereo_merge(X, Y, mid, N, ctx->arch);
@@ -1395,6 +1372,7 @@
ctx.seed = *seed;
ctx.spread = spread;
ctx.arch = arch;
+ ctx.resynth = resynth;
for (i=start;i<end;i++)
{opus_int32 tell;
--- a/celt/vq.c
+++ b/celt/vq.c
@@ -158,11 +158,8 @@
return collapse_mask;
}
-unsigned alg_quant(celt_norm *X, int N, int K, int spread, int B, ec_enc *enc
-#ifdef RESYNTH
- , opus_val16 gain
-#endif
- )
+unsigned alg_quant(celt_norm *X, int N, int K, int spread, int B, ec_enc *enc,
+ opus_val16 gain, int resynth)
{VARDECL(celt_norm, y);
VARDECL(int, iy);
@@ -314,10 +311,11 @@
} while (++j<N);
encode_pulses(iy, N, K, enc);
-#ifdef RESYNTH
- normalise_residual(iy, X, N, yy, gain);
- exp_rotation(X, N, -1, B, K, spread);
-#endif
+ if (resynth)
+ {+ normalise_residual(iy, X, N, yy, gain);
+ exp_rotation(X, N, -1, B, K, spread);
+ }
collapse_mask = extract_collapse_mask(iy, N, B);
RESTORE_STACK;
--- a/celt/vq.h
+++ b/celt/vq.h
@@ -51,12 +51,8 @@
* @param enc Entropy encoder state
* @ret A mask indicating which blocks in the band received pulses
*/
-unsigned alg_quant(celt_norm *X, int N, int K, int spread, int B,
- ec_enc *enc
-#ifdef RESYNTH
- , opus_val16 gain
-#endif
- );
+unsigned alg_quant(celt_norm *X, int N, int K, int spread, int B, ec_enc *enc,
+ opus_val16 gain, int resynth);
/** Algebraic pulse decoder
* @param X Decoded normalised spectrum (returned)