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* Fix outbuf size issues, and other misc troubles

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This commit is contained in:
Chris Cannam
2007-11-21 21:48:16 +00:00
parent d2fe49c20c
commit fe9dc561ef
4 changed files with 54 additions and 41 deletions
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61
src/StretcherProcess.cpp
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@@ -257,7 +257,7 @@ RubberBandStretcher::Impl::processChunkForChannel(size_t c,
if (cd.outbuf->getWriteSpace() < required) {
if (m_debugLevel > 0) {
cerr << "buffer overrun on output for channel " << c << endl;
cerr << "Buffer overrun on output for channel " << c << endl;
}
//!!! The only correct thing we can do here is resize the
@@ -400,9 +400,9 @@ RubberBandStretcher::Impl::getIncrements(size_t channel,
bool gotData = true;
if (cd.chunkCount >= m_outputIncrements.size()) {
//!!! this is an error if in non-realtime mode
// cerr << "*** ERROR: chunk count " << cd.chunkCount << " >= "
// << m_outputIncrements.size() << endl;
// cerr << "WARNING: RubberBandStretcher::Impl::getIncrements:"
// << " chunk count " << cd.chunkCount << " >= "
// << m_outputIncrements.size() << endl;
if (m_outputIncrements.size() == 0) {
phaseIncrementRtn = m_increment;
shiftIncrementRtn = m_increment;
@@ -659,14 +659,11 @@ RubberBandStretcher::Impl::synthesiseChunk(size_t channel)
cd.accumulatorFill = m_windowSize;
//!!! not much cop, this bit
float area = m_window->getArea() * 1.5;
// float area = 1.f;
float fixed = m_window->getArea() * 1.5;
for (size_t i = 0; i < m_windowSize; ++i) {
float val = m_window->getValue(i);
cd.windowAccumulator[i] += val * area;
cd.windowAccumulator[i] += val * fixed;
}
}
@@ -679,17 +676,9 @@ RubberBandStretcher::Impl::writeChunk(size_t channel, size_t shiftIncrement, boo
cerr << "writeChunk(" << channel << ", " << shiftIncrement << ", " << last << ")" << endl;
}
static float windowaccmax = 0; //!!!
for (int i = 0; i < shiftIncrement; ++i) {
if (cd.windowAccumulator[i] > 0.f) {
cd.accumulator[i] /= cd.windowAccumulator[i];
if (fabsf(cd.windowAccumulator[i]) > windowaccmax) {
// cerr << "window accumulator max " << windowaccmax
// << " -> " << fabsf(cd.windowAccumulator[i]) << endl;
//!!!
windowaccmax = fabsf(cd.windowAccumulator[i]);
}
}
}
@@ -697,13 +686,10 @@ RubberBandStretcher::Impl::writeChunk(size_t channel, size_t shiftIncrement, boo
// were running in RT mode)
size_t theoreticalOut = 0;
if (cd.inputSize >= 0) {
// cerr << "cd.inputSize = " << cd.inputSize << endl;
theoreticalOut = lrint(cd.inputSize * m_timeRatio);
// cerr << "theoreticalOut = " << theoreticalOut << endl;
}
if (m_pitchScale != 1.0 && cd.resampler) {
// cerr << "resampler: input " << shiftIncrement << ", output max " << int(shiftIncrement / m_pitchScale) + 1 << endl;
size_t reqSize = int(ceil(shiftIncrement / m_pitchScale));
if (reqSize > cd.resamplebufSize) {
@@ -711,8 +697,8 @@ RubberBandStretcher::Impl::writeChunk(size_t channel, size_t shiftIncrement, boo
// supposed to be initialised with enough space in the
// first place. But we retain this check in case the
// pitch scale has changed since then, or the stretch
// calculator has goneb mad, or something.
cerr << "resampler: resizing buffer from "
// calculator has gone mad, or something.
cerr << "WARNING: RubberBandStretcher::Impl::writeChunk: resizing resampler buffer from "
<< cd.resamplebufSize << " to " << reqSize << endl;
cd.resamplebufSize = reqSize;
if (cd.resamplebuf) delete[] cd.resamplebuf;
@@ -778,9 +764,15 @@ RubberBandStretcher::Impl::writeOutput(RingBuffer<float> &to, float *from, size_
}
if (outCount > startSkip) {
// this is the normal case
if (theoreticalOut > 0) {
if (m_debugLevel > 1) {
cerr << "theoreticalOut = " << theoreticalOut << ", outCount = " << outCount << ", startSkip = " << startSkip << ", qty = " << qty << endl;
cerr << "theoreticalOut = " << theoreticalOut
<< ", outCount = " << outCount
<< ", startSkip = " << startSkip
<< ", qty = " << qty << endl;
}
if (outCount - startSkip <= theoreticalOut &&
outCount - startSkip + qty > theoreticalOut) {
@@ -794,14 +786,26 @@ RubberBandStretcher::Impl::writeOutput(RingBuffer<float> &to, float *from, size_
if (m_debugLevel > 2) {
cerr << "writing " << qty << endl;
}
to.write(from, qty);
outCount += qty;
size_t written = to.write(from, qty);
if (written < qty) {
cerr << "WARNING: RubberBandStretcher::Impl::writeOutput: "
<< "Buffer overrun on output: wrote " << written
<< " of " << qty << " samples" << endl;
}
outCount += written;
return;
}
// the rest of this is only used during the first startSkip samples
if (outCount + qty <= startSkip) {
if (m_debugLevel > 1) {
cerr << "qty = " << qty << ", startSkip = " << startSkip << ", outCount = " << outCount << ", discarding" << endl;
cerr << "qty = " << qty << ", startSkip = "
<< startSkip << ", outCount = " << outCount
<< ", discarding" << endl;
}
outCount += qty;
return;
@@ -809,7 +813,10 @@ RubberBandStretcher::Impl::writeOutput(RingBuffer<float> &to, float *from, size_
size_t off = startSkip - outCount;
if (m_debugLevel > 1) {
cerr << "qty = " << qty << ", startSkip = " << startSkip << ", outCount = " << outCount << ", writing " << qty - off << " from start offset " << off << endl;
cerr << "qty = " << qty << ", startSkip = "
<< startSkip << ", outCount = " << outCount
<< ", writing " << qty - off
<< " from start offset " << off << endl;
}
to.write(from + off, qty - off);
outCount += qty;