Files
librubberband/main/main.cpp
Chris Cannam 3bcb2de31b Wording tweak
2021-05-14 16:05:58 +01:00

843 lines
31 KiB
C++

/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
/*
Rubber Band Library
An audio time-stretching and pitch-shifting library.
Copyright 2007-2021 Particular Programs Ltd.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version. See the file
COPYING included with this distribution for more information.
Alternatively, if you have a valid commercial licence for the
Rubber Band Library obtained by agreement with the copyright
holders, you may redistribute and/or modify it under the terms
described in that licence.
If you wish to distribute code using the Rubber Band Library
under terms other than those of the GNU General Public License,
you must obtain a valid commercial licence before doing so.
*/
#include "rubberband/RubberBandStretcher.h"
#include <iostream>
#include <sndfile.h>
#include <cmath>
#include <time.h>
#include <cstdlib>
#include <cstring>
#include <string>
#include <fstream>
#include "system/sysutils.h"
#ifdef _MSC_VER
#include "getopt/getopt.h"
#else
#include <getopt.h>
#include <unistd.h>
#include <sys/time.h>
#endif
#include "base/Profiler.h"
using namespace std;
using namespace RubberBand;
#ifdef _WIN32
using RubberBand::gettimeofday;
#endif
#ifdef _MSC_VER
using RubberBand::usleep;
#define strdup _strdup
#endif
double tempo_convert(const char *str)
{
char *d = strchr((char *)str, ':');
if (!d || !*d) {
double m = atof(str);
if (m != 0.0) return 1.0 / m;
else return 1.0;
}
char *a = strdup(str);
char *b = strdup(d+1);
a[d-str] = '\0';
double m = atof(a);
double n = atof(b);
free(a);
free(b);
if (n != 0.0 && m != 0.0) return m / n;
else return 1.0;
}
int main(int argc, char **argv)
{
int c;
double ratio = 1.0;
double duration = 0.0;
double pitchshift = 0.0;
double frequencyshift = 1.0;
int debug = 0;
bool realtime = false;
bool precise = true;
int threading = 0;
bool lamination = true;
bool longwin = false;
bool shortwin = false;
bool smoothing = false;
bool hqpitch = false;
bool formant = false;
bool together = false;
bool crispchanged = false;
int crispness = -1;
bool help = false;
bool version = false;
bool quiet = false;
bool haveRatio = false;
std::string timeMapFile;
std::string freqMapFile;
std::string pitchMapFile;
bool freqOrPitchMapSpecified = false;
enum {
NoTransients,
BandLimitedTransients,
Transients
} transients = Transients;
enum {
CompoundDetector,
PercussiveDetector,
SoftDetector
} detector = CompoundDetector;
bool ignoreClipping = false;
while (1) {
int optionIndex = 0;
static struct option longOpts[] = {
{ "help", 0, 0, 'h' },
{ "version", 0, 0, 'V' },
{ "time", 1, 0, 't' },
{ "tempo", 1, 0, 'T' },
{ "duration", 1, 0, 'D' },
{ "pitch", 1, 0, 'p' },
{ "frequency", 1, 0, 'f' },
{ "crisp", 1, 0, 'c' },
{ "crispness", 1, 0, 'c' },
{ "debug", 1, 0, 'd' },
{ "realtime", 0, 0, 'R' },
{ "loose", 0, 0, 'L' },
{ "precise", 0, 0, 'P' },
{ "formant", 0, 0, 'F' },
{ "no-threads", 0, 0, '0' },
{ "no-transients", 0, 0, '1' },
{ "no-lamination", 0, 0, '2' },
{ "centre-focus", 0, 0, '7' },
{ "window-long", 0, 0, '3' },
{ "window-short", 0, 0, '4' },
{ "bl-transients", 0, 0, '8' },
{ "detector-perc", 0, 0, '5' },
{ "detector-soft", 0, 0, '6' },
{ "smoothing", 0, 0, '9' },
{ "pitch-hq", 0, 0, '%' },
{ "threads", 0, 0, '@' },
{ "quiet", 0, 0, 'q' },
{ "timemap", 1, 0, 'M' },
{ "freqmap", 1, 0, 'Q' },
{ "pitchmap", 1, 0, 'C' },
{ "ignore-clipping", 0, 0, 'i' },
{ 0, 0, 0, 0 }
};
c = getopt_long(argc, argv,
"t:p:d:RLPFc:f:T:D:qhVM:",
longOpts, &optionIndex);
if (c == -1) break;
switch (c) {
case 'h': help = true; break;
case 'V': version = true; break;
case 't': ratio *= atof(optarg); haveRatio = true; break;
case 'T': ratio *= tempo_convert(optarg); haveRatio = true; break;
case 'D': duration = atof(optarg); haveRatio = true; break;
case 'p': pitchshift = atof(optarg); haveRatio = true; break;
case 'f': frequencyshift = atof(optarg); haveRatio = true; break;
case 'd': debug = atoi(optarg); break;
case 'R': realtime = true; break;
case 'L': precise = false; break;
case 'P': precise = true; break;
case 'F': formant = true; break;
case '0': threading = 1; break;
case '@': threading = 2; break;
case '1': transients = NoTransients; crispchanged = true; break;
case '2': lamination = false; crispchanged = true; break;
case '3': longwin = true; crispchanged = true; break;
case '4': shortwin = true; crispchanged = true; break;
case '5': detector = PercussiveDetector; crispchanged = true; break;
case '6': detector = SoftDetector; crispchanged = true; break;
case '7': together = true; break;
case '8': transients = BandLimitedTransients; crispchanged = true; break;
case '9': smoothing = true; crispchanged = true; break;
case '%': hqpitch = true; break;
case 'c': crispness = atoi(optarg); break;
case 'q': quiet = true; break;
case 'M': timeMapFile = optarg; break;
case 'Q': freqMapFile = optarg; freqOrPitchMapSpecified = true; break;
case 'C': pitchMapFile = optarg; freqOrPitchMapSpecified = true; break;
case 'i': ignoreClipping = true; break;
default: help = true; break;
}
}
if (version) {
cerr << RUBBERBAND_VERSION << endl;
return 0;
}
if (freqOrPitchMapSpecified) {
if (freqMapFile != "" && pitchMapFile != "") {
cerr << "ERROR: Please specify either pitch map or frequency map, not both" << endl;
return 1;
}
haveRatio = true;
realtime = true;
}
if (help || !haveRatio || optind + 2 != argc) {
cerr << endl;
cerr << "Rubber Band" << endl;
cerr << "An audio time-stretching and pitch-shifting library and utility program." << endl;
cerr << "Copyright 2007-2021 Particular Programs Ltd." << endl;
cerr << endl;
cerr << " Usage: " << argv[0] << " [options] <infile.wav> <outfile.wav>" << endl;
cerr << endl;
cerr << "You must specify at least one of the following time and pitch ratio options." << endl;
cerr << endl;
cerr << " -t<X>, --time <X> Stretch to X times original duration, or" << endl;
cerr << " -T<X>, --tempo <X> Change tempo by multiple X (same as --time 1/X), or" << endl;
cerr << " -T<X>, --tempo <X>:<Y> Change tempo from X to Y (same as --time X/Y), or" << endl;
cerr << " -D<X>, --duration <X> Stretch or squash to make output file X seconds long" << endl;
cerr << endl;
cerr << " -p<X>, --pitch <X> Raise pitch by X semitones, or" << endl;
cerr << " -f<X>, --frequency <X> Change frequency by multiple X" << endl;
cerr << endl;
cerr << "The following options provide ways of making the time and frequency ratios" << endl;
cerr << "change during the audio." << endl;
cerr << endl;
cerr << " -M<F>, --timemap <F> Use file F as the source for time map" << endl;
cerr << endl;
cerr << " A time map (or key-frame map) file contains a series of lines, each with two" << endl;
cerr << " sample frame numbers separated by a single space. These are source and" << endl;
cerr << " target frames for fixed time points within the audio data, defining a varying" << endl;
cerr << " stretch factor through the audio. When supplying a time map you must specify" << endl;
cerr << " an overall stretch factor using -t, -T, or -D as well, to determine the" << endl;
cerr << " total output duration." << endl;
cerr << endl;
cerr << " --pitchmap <F> Use file F as the source for pitch map" << endl;
cerr << endl;
cerr << " A pitch map file contains a series of lines, each with two values: the input" << endl;
cerr << " sample frame number and a pitch offset in semitones, separated by a single" << endl;
cerr << " space. These specify a varying pitch factor through the audio. The offsets" << endl;
cerr << " are all relative to an initial offset specified by the pitch or frequency" << endl;
cerr << " option, or relative to no shift if neither was specified. Offsets are" << endl;
cerr << " not cumulative. This option implies realtime mode (-R) and also enables a" << endl;
cerr << " high-consistency pitch shifting mode, appropriate for dynamic pitch changes." << endl;
cerr << " Because of the use of realtime mode, the overall duration will not be exact." << endl;
cerr << endl;
cerr << " --freqmap <F> Use file F as the source for frequency map" << endl;
cerr << endl;
cerr << " A frequency map file is like a pitch map, except that its second column" << endl;
cerr << " lists frequency multipliers rather than pitch offsets (like the difference" << endl;
cerr << " between pitch and frequency options above)." << endl;
cerr << endl;
cerr << "The following options provide a simple way to adjust the sound. See below" << endl;
cerr << "for more details." << endl;
cerr << endl;
cerr << " -c<N>, --crisp <N> Crispness (N = 0,1,2,3,4,5,6); default 5 (see below)" << endl;
cerr << " -F, --formant Enable formant preservation when pitch shifting" << endl;
cerr << endl;
cerr << "The remaining options fine-tune the processing mode and stretch algorithm." << endl;
cerr << "These are mostly included for test purposes; the default settings and standard" << endl;
cerr << "crispness parameter are intended to provide the best sounding set of options" << endl;
cerr << "for most situations. The default is to use none of these options." << endl;
cerr << endl;
cerr << " -L, --loose Relax timing in hope of better transient preservation" << endl;
cerr << " -P, --precise Ignored: The opposite of -L, this is default from 1.6" << endl;
cerr << " -R, --realtime Select realtime mode (implies --no-threads)" << endl;
cerr << " --no-threads No extra threads regardless of CPU and channel count" << endl;
cerr << " --threads Assume multi-CPU even if only one CPU is identified" << endl;
cerr << " --no-transients Disable phase resynchronisation at transients" << endl;
cerr << " --bl-transients Band-limit phase resync to extreme frequencies" << endl;
cerr << " --no-lamination Disable phase lamination" << endl;
cerr << " --window-long Use longer processing window (actual size may vary)" << endl;
cerr << " --window-short Use shorter processing window" << endl;
cerr << " --smoothing Apply window presum and time-domain smoothing" << endl;
cerr << " --detector-perc Use percussive transient detector (as in pre-1.5)" << endl;
cerr << " --detector-soft Use soft transient detector" << endl;
cerr << " --pitch-hq In RT mode, use a slower, higher quality pitch shift" << endl;
cerr << " --centre-focus Preserve focus of centre material in stereo" << endl;
cerr << " (at a cost in width and individual channel quality)" << endl;
cerr << " --ignore-clipping Ignore clipping at output; the default is to restart" << endl;
cerr << " with reduced gain if clipping occurs" << endl;
cerr << endl;
cerr << " -d<N>, --debug <N> Select debug level (N = 0,1,2,3); default 0, full 3" << endl;
cerr << " (N.B. debug level 3 includes audible ticks in output)" << endl;
cerr << " -q, --quiet Suppress progress output" << endl;
cerr << endl;
cerr << " -V, --version Show version number and exit" << endl;
cerr << " -h, --help Show this help" << endl;
cerr << endl;
cerr << "\"Crispness\" levels:" << endl;
cerr << " -c 0 equivalent to --no-transients --no-lamination --window-long" << endl;
cerr << " -c 1 equivalent to --detector-soft --no-lamination --window-long (for piano)" << endl;
cerr << " -c 2 equivalent to --no-transients --no-lamination" << endl;
cerr << " -c 3 equivalent to --no-transients" << endl;
cerr << " -c 4 equivalent to --bl-transients" << endl;
cerr << " -c 5 default processing options" << endl;
cerr << " -c 6 equivalent to --no-lamination --window-short (may be good for drums)" << endl;
cerr << endl;
return 2;
}
if (ratio <= 0.0) {
cerr << "ERROR: Invalid time ratio " << ratio << endl;
return 1;
}
if (crispness >= 0 && crispchanged) {
cerr << "WARNING: Both crispness option and transients, lamination or window options" << endl;
cerr << " provided -- crispness will override these other options" << endl;
}
if (hqpitch && freqOrPitchMapSpecified) {
cerr << "WARNING: High-quality pitch mode selected, but frequency or pitch map file is" << endl;
cerr << " provided -- pitch mode will be overridden by high-consistency mode" << endl;
hqpitch = false;
}
switch (crispness) {
case -1: crispness = 5; break;
case 0: detector = CompoundDetector; transients = NoTransients; lamination = false; longwin = true; shortwin = false; break;
case 1: detector = SoftDetector; transients = Transients; lamination = false; longwin = true; shortwin = false; break;
case 2: detector = CompoundDetector; transients = NoTransients; lamination = false; longwin = false; shortwin = false; break;
case 3: detector = CompoundDetector; transients = NoTransients; lamination = true; longwin = false; shortwin = false; break;
case 4: detector = CompoundDetector; transients = BandLimitedTransients; lamination = true; longwin = false; shortwin = false; break;
case 5: detector = CompoundDetector; transients = Transients; lamination = true; longwin = false; shortwin = false; break;
case 6: detector = CompoundDetector; transients = Transients; lamination = false; longwin = false; shortwin = true; break;
};
if (!quiet) {
cerr << "Using crispness level: " << crispness << " (";
switch (crispness) {
case 0: cerr << "Mushy"; break;
case 1: cerr << "Piano"; break;
case 2: cerr << "Smooth"; break;
case 3: cerr << "Balanced multitimbral mixture"; break;
case 4: cerr << "Unpitched percussion with stable notes"; break;
case 5: cerr << "Crisp monophonic instrumental"; break;
case 6: cerr << "Unpitched solo percussion"; break;
}
cerr << ")" << endl;
}
std::map<size_t, size_t> timeMap;
if (timeMapFile != "") {
std::ifstream ifile(timeMapFile.c_str());
if (!ifile.is_open()) {
cerr << "ERROR: Failed to open time map file \""
<< timeMapFile << "\"" << endl;
return 1;
}
std::string line;
int lineno = 0;
while (!ifile.eof()) {
std::getline(ifile, line);
while (line.length() > 0 && line[0] == ' ') {
line = line.substr(1);
}
if (line == "") {
++lineno;
continue;
}
std::string::size_type i = line.find_first_of(" ");
if (i == std::string::npos) {
cerr << "ERROR: Time map file \"" << timeMapFile
<< "\" is malformed at line " << lineno << endl;
return 1;
}
size_t source = atoi(line.substr(0, i).c_str());
while (i < line.length() && line[i] == ' ') ++i;
size_t target = atoi(line.substr(i).c_str());
timeMap[source] = target;
if (debug > 0) {
cerr << "adding mapping from " << source << " to " << target << endl;
}
++lineno;
}
ifile.close();
if (!quiet) {
cerr << "Read " << timeMap.size() << " line(s) from time map file" << endl;
}
}
std::map<size_t, double> freqMap;
if (freqOrPitchMapSpecified) {
std::string file = freqMapFile;
bool convertFromPitch = false;
if (pitchMapFile != "") {
file = pitchMapFile;
convertFromPitch = true;
}
std::ifstream ifile(file.c_str());
if (!ifile.is_open()) {
cerr << "ERROR: Failed to open map file \"" << file << "\"" << endl;
return 1;
}
std::string line;
int lineno = 0;
while (!ifile.eof()) {
std::getline(ifile, line);
while (line.length() > 0 && line[0] == ' ') {
line = line.substr(1);
}
if (line == "") {
++lineno;
continue;
}
std::string::size_type i = line.find_first_of(" ");
if (i == std::string::npos) {
cerr << "ERROR: Map file \"" << file
<< "\" is malformed at line " << lineno << endl;
return 1;
}
size_t source = atoi(line.substr(0, i).c_str());
while (i < line.length() && line[i] == ' ') ++i;
double freq = atof(line.substr(i).c_str());
if (convertFromPitch) {
freq = pow(2.0, freq / 12.0);
}
freqMap[source] = freq;
if (debug > 0) {
cerr << "adding mapping for source frame " << source << " of frequency multiplier " << freq << endl;
}
++lineno;
}
ifile.close();
if (!quiet) {
cerr << "Read " << freqMap.size() << " line(s) from frequency map file" << endl;
}
}
char *fileName = strdup(argv[optind++]);
char *fileNameOut = strdup(argv[optind++]);
SNDFILE *sndfile;
SNDFILE *sndfileOut;
SF_INFO sfinfo;
SF_INFO sfinfoOut;
memset(&sfinfo, 0, sizeof(SF_INFO));
memset(&sfinfoOut, 0, sizeof(SF_INFO));
sndfile = sf_open(fileName, SFM_READ, &sfinfo);
if (!sndfile) {
cerr << "ERROR: Failed to open input file \"" << fileName << "\": "
<< sf_strerror(sndfile) << endl;
return 1;
}
if (sfinfo.samplerate == 0) {
cerr << "ERROR: File lacks sample rate in header" << endl;
return 1;
}
if (duration != 0.0) {
if (sfinfo.frames == 0) {
cerr << "ERROR: File lacks frame count in header, cannot use --duration" << endl;
return 1;
}
double induration = double(sfinfo.frames) / double(sfinfo.samplerate);
if (induration != 0.0) ratio = duration / induration;
}
sfinfoOut.channels = sfinfo.channels;
sfinfoOut.format = sfinfo.format;
sfinfoOut.frames = int(sfinfo.frames * ratio + 0.1);
sfinfoOut.samplerate = sfinfo.samplerate;
sfinfoOut.sections = sfinfo.sections;
sfinfoOut.seekable = sfinfo.seekable;
sndfileOut = sf_open(fileNameOut, SFM_WRITE, &sfinfoOut) ;
if (!sndfileOut) {
cerr << "ERROR: Failed to open output file \"" << fileNameOut << "\" for writing: "
<< sf_strerror(sndfileOut) << endl;
return 1;
}
int ibs = 1024;
size_t channels = sfinfo.channels;
RubberBandStretcher::Options options = 0;
if (realtime) options |= RubberBandStretcher::OptionProcessRealTime;
if (precise) options |= RubberBandStretcher::OptionStretchPrecise;
if (!lamination) options |= RubberBandStretcher::OptionPhaseIndependent;
if (longwin) options |= RubberBandStretcher::OptionWindowLong;
if (shortwin) options |= RubberBandStretcher::OptionWindowShort;
if (smoothing) options |= RubberBandStretcher::OptionSmoothingOn;
if (formant) options |= RubberBandStretcher::OptionFormantPreserved;
if (together) options |= RubberBandStretcher::OptionChannelsTogether;
if (freqOrPitchMapSpecified) {
options |= RubberBandStretcher::OptionPitchHighConsistency;
} else if (hqpitch) {
options |= RubberBandStretcher::OptionPitchHighQuality;
}
switch (threading) {
case 0:
options |= RubberBandStretcher::OptionThreadingAuto;
break;
case 1:
options |= RubberBandStretcher::OptionThreadingNever;
break;
case 2:
options |= RubberBandStretcher::OptionThreadingAlways;
break;
}
switch (transients) {
case NoTransients:
options |= RubberBandStretcher::OptionTransientsSmooth;
break;
case BandLimitedTransients:
options |= RubberBandStretcher::OptionTransientsMixed;
break;
case Transients:
options |= RubberBandStretcher::OptionTransientsCrisp;
break;
}
switch (detector) {
case CompoundDetector:
options |= RubberBandStretcher::OptionDetectorCompound;
break;
case PercussiveDetector:
options |= RubberBandStretcher::OptionDetectorPercussive;
break;
case SoftDetector:
options |= RubberBandStretcher::OptionDetectorSoft;
break;
}
if (pitchshift != 0.0) {
frequencyshift *= pow(2.0, pitchshift / 12.0);
}
cerr << "Using time ratio " << ratio;
if (!freqOrPitchMapSpecified) {
cerr << " and frequency ratio " << frequencyshift << endl;
} else {
cerr << " and initial frequency ratio " << frequencyshift << endl;
}
#ifdef _WIN32
RubberBand::
#endif
timeval tv;
(void)gettimeofday(&tv, 0);
RubberBandStretcher::setDefaultDebugLevel(debug);
size_t countIn = 0, countOut = 0;
float gain = 1.f;
bool successful = false;
while (!successful) { // we may have to repeat with a modified
// gain, if clipping occurs
successful = true;
RubberBandStretcher ts(sfinfo.samplerate, channels, options,
ratio, frequencyshift);
ts.setExpectedInputDuration(sfinfo.frames);
float *fbuf = new float[channels * ibs];
float **ibuf = new float *[channels];
for (size_t i = 0; i < channels; ++i) {
ibuf[i] = new float[ibs];
}
int frame = 0;
int percent = 0;
sf_seek(sndfile, 0, SEEK_SET);
if (!realtime) {
if (!quiet) {
cerr << "Pass 1: Studying..." << endl;
}
while (frame < sfinfo.frames) {
int count = -1;
if ((count = sf_readf_float(sndfile, fbuf, ibs)) <= 0) break;
for (size_t c = 0; c < channels; ++c) {
for (int i = 0; i < count; ++i) {
float value = fbuf[i * channels + c];
ibuf[c][i] = value;
}
}
bool final = (frame + ibs >= sfinfo.frames);
ts.study(ibuf, count, final);
int p = int((double(frame) * 100.0) / sfinfo.frames);
if (p > percent || frame == 0) {
percent = p;
if (!quiet) {
cerr << "\r" << percent << "% ";
}
}
frame += ibs;
}
if (!quiet) {
cerr << "\rCalculating profile..." << endl;
}
sf_seek(sndfile, 0, SEEK_SET);
}
frame = 0;
percent = 0;
if (!timeMap.empty()) {
ts.setKeyFrameMap(timeMap);
}
std::map<size_t, double>::const_iterator freqMapItr = freqMap.begin();
countIn = 0;
countOut = 0;
bool clipping = false;
while (frame < sfinfo.frames) {
int count = -1;
int thisBlockSize = ibs;
while (freqMapItr != freqMap.end()) {
size_t nextFreqFrame = freqMapItr->first; // + ts.getLatency();
if (nextFreqFrame <= countIn) {
double s = frequencyshift * freqMapItr->second;
if (debug > 0) {
cerr << "at frame " << countIn
<< " (requested at " << freqMapItr->first
<< " [NOT] plus latency " << ts.getLatency()
<< ") updating frequency ratio to " << s << endl;
}
ts.setPitchScale(s);
++freqMapItr;
} else {
if (nextFreqFrame < countIn + thisBlockSize) {
thisBlockSize = nextFreqFrame - countIn;
}
break;
}
}
if ((count = sf_readf_float(sndfile, fbuf, thisBlockSize)) < 0) {
break;
}
countIn += count;
for (size_t c = 0; c < channels; ++c) {
for (int i = 0; i < count; ++i) {
float value = fbuf[i * channels + c];
ibuf[c][i] = value;
}
}
bool final = (frame + thisBlockSize >= sfinfo.frames);
if (debug > 2) {
cerr << "count = " << count << ", ibs = " << thisBlockSize << ", frame = " << frame << ", frames = " << sfinfo.frames << ", final = " << final << endl;
}
ts.process(ibuf, count, final);
int avail = ts.available();
if (debug > 1) cerr << "available = " << avail << endl;
if (avail > 0) {
float **obf = new float *[channels];
for (size_t i = 0; i < channels; ++i) {
obf[i] = new float[avail];
}
ts.retrieve(obf, avail);
countOut += avail;
float *fobf = new float[channels * avail];
for (size_t c = 0; c < channels; ++c) {
for (int i = 0; i < avail; ++i) {
float value = gain * obf[c][i];
if (ignoreClipping) { // i.e. just clamp, don't bail out
if (value > 1.f) value = 1.f;
if (value < -1.f) value = -1.f;
} else {
if (value >= 1.f || value < -1.f) {
clipping = true;
gain = (0.999f / fabsf(obf[c][i]));
}
}
fobf[i * channels + c] = value;
}
}
sf_writef_float(sndfileOut, fobf, avail);
delete[] fobf;
for (size_t i = 0; i < channels; ++i) {
delete[] obf[i];
}
delete[] obf;
}
if (clipping) {
if (!quiet) {
cerr << "NOTE: Clipping detected at output sample "
<< countOut << ", restarting with "
<< "reduced gain of " << gain
<< " (supply --ignore-clipping to avoid this)" << endl;
}
const float mingain = 0.75f;
if (gain < mingain) {
cerr << "WARNING: Clipped values were implausibly high: "
<< "something wrong with input or process - "
<< "not reducing gain below " << mingain << endl;
gain = mingain;
ignoreClipping = true;
}
successful = false;
break;
}
if (frame == 0 && !realtime && !quiet) {
cerr << "Pass 2: Processing..." << endl;
}
int p = int((double(frame) * 100.0) / sfinfo.frames);
if (p > percent || frame == 0) {
percent = p;
if (!quiet) {
cerr << "\r" << percent << "% ";
}
}
frame += thisBlockSize;
}
if (!successful) {
sf_seek(sndfile, 0, SEEK_SET);
sf_seek(sndfileOut, 0, SEEK_SET);
continue;
}
if (!quiet) {
cerr << "\r " << endl;
}
int avail;
while ((avail = ts.available()) >= 0) {
if (debug > 1) {
cerr << "(completing) available = " << avail << endl;
}
if (avail > 0) {
float **obf = new float *[channels];
for (size_t i = 0; i < channels; ++i) {
obf[i] = new float[avail];
}
ts.retrieve(obf, avail);
countOut += avail;
float *fobf = new float[channels * avail];
for (size_t c = 0; c < channels; ++c) {
for (int i = 0; i < avail; ++i) {
float value = gain * obf[c][i];
if (value > 1.f) value = 1.f;
if (value < -1.f) value = -1.f;
fobf[i * channels + c] = value;
}
}
sf_writef_float(sndfileOut, fobf, avail);
delete[] fobf;
for (size_t i = 0; i < channels; ++i) {
delete[] obf[i];
}
delete[] obf;
} else {
usleep(10000);
}
}
delete[] fbuf;
for (size_t i = 0; i < channels; ++i) delete[] ibuf[i];
delete[] ibuf;
}
sf_close(sndfile);
sf_close(sndfileOut);
free(fileName);
free(fileNameOut);
if (!quiet) {
cerr << "in: " << countIn << ", out: " << countOut << ", ratio: " << float(countOut)/float(countIn) << ", ideal output: " << lrint(countIn * ratio) << ", error: " << abs(lrint(countIn * ratio) - int(countOut)) << endl;
#ifdef _WIN32
RubberBand::
#endif
timeval etv;
(void)gettimeofday(&etv, 0);
etv.tv_sec -= tv.tv_sec;
if (etv.tv_usec < tv.tv_usec) {
etv.tv_usec += 1000000;
etv.tv_sec -= 1;
}
etv.tv_usec -= tv.tv_usec;
double sec = double(etv.tv_sec) + (double(etv.tv_usec) / 1000000.0);
cerr << "elapsed time: " << sec << " sec, in frames/sec: " << countIn/sec << ", out frames/sec: " << countOut/sec << endl;
}
RubberBand::Profiler::dump();
return 0;
}