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authorJean-Marc Valin <jean-marc.valin@usherbrooke.ca>2009-10-07 14:56:03 +0400
committerJean-Marc Valin <jean-marc.valin@usherbrooke.ca>2009-10-07 14:56:03 +0400
commitf7a1e165aa8be3b2cad7c8c304e8fe15e5d32433 (patch)
tree49b16b1d6b5e0b9ab95ec448a4cd04c4d04c32e6
parentf6dc1eba2615444d24cc84dfc2043d961418a035 (diff)
Renamed mix_pitch_and_residual() to normalise_residual(), after minor
simplification.
-rw-r--r--libcelt/bands.c2
-rw-r--r--libcelt/vq.c8
2 files changed, 5 insertions, 5 deletions
diff --git a/libcelt/bands.c b/libcelt/bands.c
index 1e7a3df..194e34c 100644
--- a/libcelt/bands.c
+++ b/libcelt/bands.c
@@ -315,7 +315,7 @@ void apply_pitch(const CELTMode *m, celt_sig_t *X, const celt_sig_t *P, int gain
celt_word16_t gg = gain;
for (j=0;j<len;j++)
{
- X[j+c*N] += SHL(MULT16_32_Q15(gg,P[j+c*N]),1);
+ X[j+c*N] += SHL32(MULT16_32_Q15(gg,P[j+c*N]),1);
gg = ADD16(gg, delta);
}
}
diff --git a/libcelt/vq.c b/libcelt/vq.c
index 62a8784..429ff4c 100644
--- a/libcelt/vq.c
+++ b/libcelt/vq.c
@@ -99,7 +99,7 @@ static void exp_rotation(celt_norm_t *X, int len, int dir, int stride, int K)
/** Takes the pitch vector and the decoded residual vector, computes the gain
that will give ||p+g*y||=1 and mixes the residual with the pitch. */
-static void mix_pitch_and_residual(int * restrict iy, celt_norm_t * restrict X, int N, int K, celt_word32_t Ryy)
+static void normalise_residual(int * restrict iy, celt_norm_t * restrict X, int N, int K, celt_word32_t Ryy)
{
int i;
celt_word32_t g;
@@ -108,7 +108,7 @@ static void mix_pitch_and_residual(int * restrict iy, celt_norm_t * restrict X,
i=0;
do
- X[i] = MULT16_32_P15(g, SHL32(EXTEND32(iy[i]),14));
+ X[i] = SHR16(MULT16_16_16(g, iy[i]),1);
while (++i < N);
}
@@ -270,7 +270,7 @@ void alg_quant(celt_norm_t *X, int N, int K, int spread, ec_enc *enc)
/* Recompute the gain in one pass to reduce the encoder-decoder mismatch
due to the recursive computation used in quantisation. */
- mix_pitch_and_residual(iy, X, N, K, EXTRACT16(SHR32(yy,2*yshift)));
+ normalise_residual(iy, X, N, K, EXTRACT16(SHR32(yy,2*yshift)));
if (spread)
exp_rotation(X, N, -1, spread, K);
RESTORE_STACK;
@@ -293,7 +293,7 @@ void alg_unquant(celt_norm_t *X, int N, int K, int spread, ec_dec *dec)
do {
Ryy = MAC16_16(Ryy, iy[i], iy[i]);
} while (++i < N);
- mix_pitch_and_residual(iy, X, N, K, Ryy);
+ normalise_residual(iy, X, N, K, Ryy);
if (spread)
exp_rotation(X, N, -1, spread, K);
RESTORE_STACK;