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* update from personal repo

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This commit is contained in:
Chris Cannam
2008-07-04 19:31:23 +00:00
parent 86462dbd9f
commit f894f7c66f
5 changed files with 67 additions and 18 deletions
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58
src/ladspa/RubberBandPitchShifter.cpp
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@@ -29,7 +29,8 @@ RubberBandPitchShifter::portNamesMono[PortCountMono] =
"Semitones",
"Octaves",
"Crispness",
"Formant Preservation",
"Formant Preserving",
"Fast",
"Input",
"Output"
};
@@ -42,7 +43,8 @@ RubberBandPitchShifter::portNamesStereo[PortCountStereo] =
"Semitones",
"Octaves",
"Crispness",
"Formant Preservation",
"Formant Preserving",
"Fast",
"Input L",
"Output L",
"Input R",
@@ -58,6 +60,7 @@ RubberBandPitchShifter::portsMono[PortCountMono] =
LADSPA_PORT_INPUT | LADSPA_PORT_CONTROL,
LADSPA_PORT_INPUT | LADSPA_PORT_CONTROL,
LADSPA_PORT_INPUT | LADSPA_PORT_CONTROL,
LADSPA_PORT_INPUT | LADSPA_PORT_CONTROL,
LADSPA_PORT_INPUT | LADSPA_PORT_AUDIO,
LADSPA_PORT_OUTPUT | LADSPA_PORT_AUDIO
};
@@ -71,6 +74,7 @@ RubberBandPitchShifter::portsStereo[PortCountStereo] =
LADSPA_PORT_INPUT | LADSPA_PORT_CONTROL,
LADSPA_PORT_INPUT | LADSPA_PORT_CONTROL,
LADSPA_PORT_INPUT | LADSPA_PORT_CONTROL,
LADSPA_PORT_INPUT | LADSPA_PORT_CONTROL,
LADSPA_PORT_INPUT | LADSPA_PORT_AUDIO,
LADSPA_PORT_OUTPUT | LADSPA_PORT_AUDIO,
LADSPA_PORT_INPUT | LADSPA_PORT_AUDIO,
@@ -105,6 +109,11 @@ RubberBandPitchShifter::hintsMono[PortCountMono] =
LADSPA_HINT_BOUNDED_ABOVE |
LADSPA_HINT_TOGGLED,
0.0, 1.0 },
{ LADSPA_HINT_DEFAULT_0 | // fast
LADSPA_HINT_BOUNDED_BELOW |
LADSPA_HINT_BOUNDED_ABOVE |
LADSPA_HINT_TOGGLED,
0.0, 1.0 },
{ 0, 0, 0 },
{ 0, 0, 0 }
};
@@ -137,6 +146,11 @@ RubberBandPitchShifter::hintsStereo[PortCountStereo] =
LADSPA_HINT_BOUNDED_ABOVE |
LADSPA_HINT_TOGGLED,
0.0, 1.0 },
{ LADSPA_HINT_DEFAULT_0 | // fast
LADSPA_HINT_BOUNDED_BELOW |
LADSPA_HINT_BOUNDED_ABOVE |
LADSPA_HINT_TOGGLED,
0.0, 1.0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
@@ -209,10 +223,12 @@ RubberBandPitchShifter::RubberBandPitchShifter(int sampleRate, size_t channels)
m_octaves(0),
m_crispness(0),
m_formant(0),
m_fast(0),
m_ratio(1.0),
m_prevRatio(1.0),
m_currentCrispness(-1),
m_currentFormant(false),
m_currentFast(false),
m_blockSize(1024),
m_reserve(1024),
m_stretcher(new RubberBandStretcher
@@ -271,12 +287,19 @@ RubberBandPitchShifter::connectPort(LADSPA_Handle handle,
&shifter->m_octaves,
&shifter->m_crispness,
&shifter->m_formant,
&shifter->m_fast,
&shifter->m_input[0],
&shifter->m_output[0],
&shifter->m_input[1],
&shifter->m_output[1]
};
if (shifter->m_channels == 1) {
if (port >= PortCountMono) return;
} else {
if (port >= PortCountStereo) return;
}
*ports[port] = (float *)location;
if (shifter->m_latency) {
@@ -300,7 +323,7 @@ RubberBandPitchShifter::activateImpl()
m_stretcher->reset();
m_stretcher->setPitchScale(m_ratio);
for (int c = 0; c < m_channels; ++c) {
for (size_t c = 0; c < m_channels; ++c) {
m_outputBuffer[c]->reset();
m_outputBuffer[c]->zero(m_reserve);
}
@@ -379,6 +402,23 @@ RubberBandPitchShifter::updateFormant()
m_currentFormant = f;
}
void
RubberBandPitchShifter::updateFast()
{
if (!m_fast) return;
bool f = (*m_fast > 0.5f);
if (f == m_currentFast) return;
RubberBandStretcher *s = m_stretcher;
s->setPitchOption(f ?
RubberBandStretcher::OptionPitchHighSpeed :
RubberBandStretcher::OptionPitchHighConsistency);
m_currentFast = f;
}
void
RubberBandPitchShifter::runImpl(unsigned long insamples)
{
@@ -391,7 +431,7 @@ RubberBandPitchShifter::runImpl(unsigned long insamples)
while (offset < insamples) {
unsigned long block = (unsigned long)m_blockSize;
if (block > insamples) block = insamples;
if (block + offset > insamples) block = insamples - offset;
runImpl(block, offset);
@@ -419,6 +459,7 @@ RubberBandPitchShifter::runImpl(unsigned long insamples, unsigned long offset)
updateCrispness();
updateFormant();
updateFast();
const int samples = insamples;
int processed = 0;
@@ -426,9 +467,14 @@ RubberBandPitchShifter::runImpl(unsigned long insamples, unsigned long offset)
float *ptrs[2];
if (m_outputBuffer[0]->getReadSpace() < m_reserve) {
int rs = m_outputBuffer[0]->getReadSpace();
if (rs < int(m_reserve)) {
// std::cerr << "temporary expansion (have " << rs << ", want "
// << m_reserve << ")" << std::endl;
m_stretcher->setTimeRatio(1.1); // fill up temporarily
} else if (m_outputBuffer[0]->getReadSpace() > 8192) {
} else if (rs > 8192) {
// std::cerr << "temporary reduction (have " << rs << ", want "
// << m_reserve << ")" << std::endl;
m_stretcher->setTimeRatio(0.9); // reduce temporarily
} else {
m_stretcher->setTimeRatio(1.0);