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authorDaniil Cherednik <dan.cherednik@gmail.com>2015-11-14 03:14:25 +0300
committerDaniil Cherednik <dan.cherednik@gmail.com>2015-11-14 03:14:25 +0300
commitf06c500192ce216370bb92efd78b19765df4c39b (patch)
treeb0d295c2c320deb232d9fe52437f58f04595b8d2 /src
parentb45cd2e5bc5a26fa9b570be5246f6bf1b91d46b6 (diff)
downloadatracdenc-f06c500192ce216370bb92efd78b19765df4c39b.tar.gz
fix: compensate delay should be 39 sample not 23
Diffstat (limited to 'src')
-rw-r--r--src/atrac/atrac1_qmf.h14
1 files changed, 8 insertions, 6 deletions
diff --git a/src/atrac/atrac1_qmf.h b/src/atrac/atrac1_qmf.h
index fa2dcd9..8550932 100644
--- a/src/atrac/atrac1_qmf.h
+++ b/src/atrac/atrac1_qmf.h
@@ -5,6 +5,7 @@
template<class TIn>
class Atrac1SplitFilterBank {
const static int nInSamples = 512;
+ const static int delayComp = 39;
TQmf<TIn, nInSamples> Qmf1;
TQmf<TIn, nInSamples / 2> Qmf2;
std::vector<double> MidLowTmp;
@@ -12,11 +13,11 @@ class Atrac1SplitFilterBank {
public:
Atrac1SplitFilterBank() {
MidLowTmp.resize(512);
- DelayBuf.resize(23 + 512);
+ DelayBuf.resize(delayComp + 512);
}
void Split(TIn* pcm, double* low, double* mid, double* hi) {
- memcpy(&DelayBuf[0], &DelayBuf[256], sizeof(double) * 23);
- Qmf1.Split(pcm, &MidLowTmp[0], &DelayBuf[23]);
+ memcpy(&DelayBuf[0], &DelayBuf[256], sizeof(double) * delayComp);
+ Qmf1.Split(pcm, &MidLowTmp[0], &DelayBuf[delayComp]);
Qmf2.Split(&MidLowTmp[0], low, mid);
memcpy(hi, &DelayBuf[0], sizeof(double) * 256);
@@ -25,6 +26,7 @@ public:
template<class TOut>
class Atrac1SynthesisFilterBank {
const static int nInSamples = 512;
+ const static int delayComp = 39;
TQmf<TOut, nInSamples> Qmf1;
TQmf<TOut, nInSamples / 2> Qmf2;
std::vector<double> MidLowTmp;
@@ -32,11 +34,11 @@ class Atrac1SynthesisFilterBank {
public:
Atrac1SynthesisFilterBank() {
MidLowTmp.resize(512);
- DelayBuf.resize(23 + 512);
+ DelayBuf.resize(delayComp + 512);
}
void Synthesis(TOut* pcm, double* low, double* mid, double* hi) {
- memcpy(&DelayBuf[0], &DelayBuf[256], sizeof(double) * 23);
- memcpy(&DelayBuf[23], hi, sizeof(double) * 256);
+ memcpy(&DelayBuf[0], &DelayBuf[256], sizeof(double) * delayComp);
+ memcpy(&DelayBuf[delayComp], hi, sizeof(double) * 256);
Qmf2.Merge(&MidLowTmp[0], &low[0], &mid[0]);
Qmf1.Merge(&pcm[0], &MidLowTmp[0], &DelayBuf[0]);
}