235 lines
8.7 KiB
C++
235 lines
8.7 KiB
C++
// helper for debugging
|
|
#include <iostream>
|
|
#define LOG_EXPR(expr) std::cout << #expr << " = " << (expr) << "\n";
|
|
|
|
#define PROFILE_PLOT_CHUNKS
|
|
#ifdef PROFILE_PLOT_CHUNKS
|
|
size_t activeStepIndex = 0;
|
|
void profileProcessStart(int, int);
|
|
void profileProcessEndStep();
|
|
void profileProcessStep(size_t, size_t);
|
|
void profileProcessEnd();
|
|
# define SIGNALSMITH_STRETCH_PROFILE_PROCESS_START profileProcessStart
|
|
# define SIGNALSMITH_STRETCH_PROFILE_PROCESS_STEP profileProcessStep
|
|
# define SIGNALSMITH_STRETCH_PROFILE_PROCESS_ENDSTEP profileProcessEndStep
|
|
# define SIGNALSMITH_STRETCH_PROFILE_PROCESS_END profileProcessEnd
|
|
#endif
|
|
|
|
#include "signalsmith-stretch/signalsmith-stretch.h"
|
|
|
|
#include "./util/stopwatch.h"
|
|
#include "./util/memory-tracker.hxx"
|
|
#include "./util/simple-args.h"
|
|
#include "./util/wav.h"
|
|
|
|
#ifdef PROFILE_PLOT_CHUNKS
|
|
#include "plot/plot.h"
|
|
std::vector<signalsmith::Stopwatch> processStopwatches;
|
|
signalsmith::Stopwatch processStopwatchStart, processStopwatchEnd;
|
|
bool started = false;
|
|
bool activeStep = false;
|
|
void profileProcessStart(int /*inputSamples*/, int /*outputSamples*/) {
|
|
activeStep = false;
|
|
started = true;
|
|
processStopwatchStart.startLap();
|
|
}
|
|
void profileProcessEndStep() {
|
|
if (activeStep) {
|
|
activeStep = false;
|
|
processStopwatches[activeStepIndex].lap();
|
|
} else if (started) {
|
|
started = false;
|
|
processStopwatchStart.lap();
|
|
}
|
|
processStopwatchEnd.startLap();
|
|
}
|
|
void profileProcessStep(size_t step, size_t count) {
|
|
profileProcessEndStep();
|
|
activeStep = true;
|
|
activeStepIndex = step;
|
|
if (processStopwatches.size() < count) {
|
|
processStopwatches.resize(count);
|
|
}
|
|
processStopwatches[step].startLap();
|
|
}
|
|
void profileProcessEnd() {
|
|
processStopwatchEnd.lap();
|
|
}
|
|
#endif
|
|
|
|
int main(int argc, char* argv[]) {
|
|
signalsmith::stretch::SignalsmithStretch<float/*, std::ranlux48_base*/> stretch; // optional cheaper RNG for performance comparison
|
|
|
|
#ifdef PROFILE_PLOT_CHUNKS
|
|
processStopwatches.reserve(1000);
|
|
#endif
|
|
|
|
SimpleArgs args(argc, argv);
|
|
|
|
if (args.hasFlag("v", "prints the version")) {
|
|
std::cout << stretch.version[0] << "." << stretch.version[1] << "." << stretch.version[2] << "\n";
|
|
return 0;
|
|
}
|
|
|
|
std::string inputWav = args.arg<std::string>("input.wav", "16-bit WAV file");
|
|
std::string outputWav = args.arg<std::string>("output.wav", "output WAV file");
|
|
|
|
double semitones = args.flag<double>("semitones", "pitch-shift amount", 0);
|
|
double formants = args.flag<double>("formant", "formant-shift amount (semitones)", 0);
|
|
bool formantComp = args.hasFlag("formant-comp", "formant compensation");
|
|
double formantBase = args.flag<double>("formant-base", "formant base frequency (Hz, 0=auto)", 0);
|
|
double tonality = args.flag<double>("tonality", "tonality limit (Hz)", 8000);
|
|
double time = args.flag<double>("time", "time-stretch factor", 1);
|
|
bool exactLength = args.hasFlag("exact", "trims the start/end so the output has the correct length");
|
|
bool splitComputation = args.hasFlag("split-computation", "distributes the computation more evenly (but higher latency)");
|
|
args.errorExit();
|
|
|
|
std::cout << Console::Bright << inputWav << Console::Reset;
|
|
std::cout << " -> ";
|
|
std::cout << Console::Bright << outputWav << Console::Reset << "\n";
|
|
std::cout << "\tsemitones: " << semitones << "\n\t time: " << time << "x" << (exactLength ? " (exact)" : "") << "\n\t tonality: " << tonality << "Hz\n";
|
|
|
|
Wav inWav;
|
|
std::cout << inputWav << " -> " << outputWav << "\n";
|
|
if (!inWav.read(inputWav).warn()) args.errorExit("failed to read WAV");
|
|
size_t inputLength = inWav.samples.size()/inWav.channels;
|
|
|
|
Wav prevWav; // Used during development, to compare against known-good previous render
|
|
bool compareReference = (time <= 1.6);
|
|
if (compareReference && !prevWav.read(outputWav + "-reference.wav")) {
|
|
if (prevWav.read(outputWav)) {
|
|
prevWav.write(outputWav + "-reference.wav");
|
|
}
|
|
}
|
|
|
|
Wav outWav;
|
|
outWav.channels = inWav.channels;
|
|
outWav.sampleRate = inWav.sampleRate;
|
|
int outputLength = std::round(inputLength*time);
|
|
|
|
signalsmith::MemoryTracker initMemory;
|
|
signalsmith::Stopwatch stopwatch;
|
|
|
|
stopwatch.start();
|
|
stretch.presetDefault(int(inWav.channels), inWav.sampleRate, splitComputation);
|
|
stretch.setTransposeSemitones(semitones, tonality/inWav.sampleRate);
|
|
stretch.setFormantSemitones(formants, formantComp);
|
|
stretch.setFormantBase(formantBase/inWav.sampleRate);
|
|
double initSeconds = stopwatch.lap();
|
|
|
|
initMemory = initMemory.diff();
|
|
std::cout << "Setup:\n\t" << initSeconds << "s\n";
|
|
if (initMemory.implemented) {
|
|
std::cout << "\tallocated " << (initMemory.allocBytes/1000) << "kB, freed " << (initMemory.freeBytes/1000) << "kB\n";
|
|
}
|
|
|
|
signalsmith::MemoryTracker processMemory;
|
|
|
|
if (exactLength) {
|
|
outWav.samples.resize(outputLength*outWav.channels);
|
|
stopwatch.start();
|
|
processMemory = {};
|
|
stretch.exact(inWav, int(inputLength), outWav, int(outputLength));
|
|
} else {
|
|
// pad the input at the end, since we'll be reading slightly ahead
|
|
size_t paddedInputLength = inputLength + stretch.inputLatency();
|
|
inWav.samples.resize(paddedInputLength*inWav.channels);
|
|
// pad the output at the end, since we have output latency as well
|
|
int tailSamples = exactLength ? stretch.outputLatency() : (stretch.outputLatency() + stretch.inputLatency()); // if we don't need exact length, add a bit more output to catch any wobbles past the end
|
|
int paddedOutputLength = outputLength + tailSamples;
|
|
outWav.samples.resize(paddedOutputLength*outWav.channels);
|
|
|
|
stopwatch.start();
|
|
// The simplest way to deal with input latency (when have access to the audio buffer) is to always be slightly ahead in the input
|
|
stretch.seek(inWav, stretch.inputLatency(), 1/time);
|
|
inWav.offset += stretch.inputLatency();
|
|
// Process it all in one call, although it works just the same if we split into smaller blocks
|
|
processMemory = {};
|
|
stretch.process(inWav, int(inputLength), outWav, int(outputLength));
|
|
// Read the last bit of output without giving it any more input
|
|
outWav.offset += outputLength;
|
|
stretch.flush(outWav, tailSamples);
|
|
outWav.offset -= outputLength;
|
|
}
|
|
|
|
double processSeconds = stopwatch.lap();
|
|
double processRate = (inWav.length()/inWav.sampleRate)/processSeconds;
|
|
double processPercent = 100/processRate;
|
|
processMemory = processMemory.diff();
|
|
std::cout << "Process:\n\t" << processSeconds << "s, " << processRate << "x realtime, " << processPercent << "% CPU\n";
|
|
if (processMemory.implemented) {
|
|
std::cout << "\tallocated " << (processMemory.allocBytes/1000) << "kB, freed " << (processMemory.freeBytes/1000) << "kB\n";
|
|
if (processMemory) args.errorExit("allocated during process()");
|
|
}
|
|
|
|
#ifdef PROFILE_PLOT_CHUNKS
|
|
signalsmith::plot::Figure figure;
|
|
auto &plot = figure(0, 0).plot(400, 150);
|
|
plot.x.blank().label("step");
|
|
plot.y.major(0, "");
|
|
plot.title("computation time");
|
|
auto &cumulativePlot = figure(1, 0).plot(150, 150);
|
|
cumulativePlot.x.major(processStopwatches.size(), "");
|
|
cumulativePlot.y.major(0, "");
|
|
cumulativePlot.title("cumulative");
|
|
auto &line = plot.line().fillToY(0);
|
|
auto &extraLine = plot.line().fillToY(0);
|
|
auto &cumulativeLine = cumulativePlot.line();
|
|
auto &flatLine = cumulativePlot.line();
|
|
double cumulativeTime = 0;
|
|
line.add(0, 0);
|
|
cumulativeLine.add(0, 0);
|
|
for (size_t i = 0; i < processStopwatches.size(); ++i) {
|
|
double time = processStopwatches[i].total();
|
|
if (i%5 == 0) {
|
|
plot.x.tick(i + 0.5, std::to_string(i));
|
|
} else {
|
|
plot.x.tick(i + 0.5, "");
|
|
}
|
|
line.add(i, time);
|
|
line.add(i + 1, time);
|
|
|
|
cumulativeTime += time;
|
|
cumulativeLine.add(i, cumulativeTime);
|
|
cumulativeLine.add(i + 1, cumulativeTime);
|
|
}
|
|
line.add(processStopwatches.size(), 0);
|
|
extraLine.add(0, 0);
|
|
extraLine.add(0, processStopwatchStart.total());
|
|
extraLine.add(1, processStopwatchStart.total());
|
|
extraLine.add(1, 0);
|
|
extraLine.add(processStopwatches.size() - 1, 0);
|
|
extraLine.add(processStopwatches.size() - 1, processStopwatchEnd.total());
|
|
extraLine.add(processStopwatches.size(), processStopwatchEnd.total());
|
|
extraLine.add(processStopwatches.size(), 0);
|
|
flatLine.add(0, 0);
|
|
flatLine.add(processStopwatches.size(), cumulativeTime);
|
|
figure.write("profile.svg");
|
|
#endif
|
|
|
|
if (!outWav.write(outputWav).warn()) args.errorExit("failed to write WAV");
|
|
|
|
if (compareReference && prevWav.result) {
|
|
outWav.read(outputWav);
|
|
if (prevWav.length() != outWav.length()) args.errorExit("lengths differ");
|
|
double diff2 = 0;
|
|
for (size_t i = 0; i < prevWav.samples.size(); ++i) {
|
|
double diff = prevWav.samples[i] - outWav.samples[i];
|
|
diff2 += diff*diff;
|
|
}
|
|
diff2 /= prevWav.samples.size();
|
|
double diffDb = 10*std::log10(diff2);
|
|
std::cout << "Reference:\n\tdifference: ";
|
|
if (diff2 < 1e-6) {
|
|
std::cout << Console::Yellow;
|
|
} else if (diff2 < 1e-10) {
|
|
std::cout << Console::Green;
|
|
} else {
|
|
std::cout << Console::Red;
|
|
}
|
|
|
|
std::cout << Console::Bright << diffDb << Console::Reset << " dB\n";
|
|
if (diffDb > -60) args.errorExit("too much difference\n");
|
|
}
|
|
}
|