comparison test/processfile.cpp @ 119:a38d6940f8fb

Bring in dsp dependencies

+
+#include "ConstantQ.h"
+#include "CQInverse.h"
+
+#include <sndfile.h>
+
+#include <iostream>
+
+using std::vector;
+using std::cerr;
+using std::endl;
+
+#include <cstring>
+
+#include <getopt.h>
+#include <unistd.h>
+#include <sys/time.h>
+#include <cstdlib>
+
+int main(int argc, char **argv)
+{
+    double maxFreq = 0;
+    double minFreq = 0;
+    int bpo = 0;
+    bool help = false;
+    
+    int c;
+
+    while (1) {
+	int optionIndex = 0;
+	
+	static struct option longOpts[] = {
+	    { "help", 0, 0, 'h', },
+	    { "maxfreq", 1, 0, 'x', },
+	    { "minfreq", 1, 0, 'n', },
+	    { "bpo", 1, 0, 'b' },
+	    { 0, 0, 0, 0 },
+	};
+
+	c = getopt_long(argc, argv,
+			"hx:n:b:",
+			longOpts, &optionIndex);
+	if (c == -1) break;
+
+	switch (c) {
+	case 'h': help = true; break;
+	case 'x': maxFreq = atof(optarg); break;
+	case 'n': minFreq = atof(optarg); break;
+	case 'b': bpo = atoi(optarg); break;
+	default: help = true; break;
+	}
+    }
+
+    if (help || (optind + 2 != argc && optind + 3 != argc)) {
+	cerr << endl;
+	cerr << "Usage: " << argv[0] << " [options] infile.wav outfile.wav [differencefile.wav]" << endl;
+	cerr << endl;
+	cerr << "Options:" << endl;
+	cerr << "  -x<X>, --maxfreq <X>  Maximum frequency (default = sample rate / 3)" << endl;
+	cerr << "  -n<X>, --minfreq <X>  Minimum frequency (default = 100, actual min may vary)" << endl;
+	cerr << "  -b<X>, --bpo <X>      Bins per octave   (default = 60)" << endl;
+	cerr << "  -h, --help            Print this help" << endl;
+	cerr << endl;
+	cerr << "This rather useless program simply performs a forward Constant-Q transform with" << endl;
+	cerr << "the requested parameters, followed by its inverse, and writes the result to the" << endl;
+	cerr << "output file. If a diff file name is provided, the difference between input and" << endl;
+	cerr << "output signals is also written to that. All this accomplishes is to produce a" << endl;
+	cerr << "signal that approximates the input: it's intended for test purposes only." << endl;
+	cerr << endl;
+	cerr << "(Want to calculate and obtain a Constant-Q spectrogram? Use the CQVamp plugin" << endl;
+	cerr << "in a Vamp plugin host.)" << endl;
+	cerr << endl;
+	return 2;
+    }
+
+    char *fileName = strdup(argv[optind++]);
+    char *fileNameOut = strdup(argv[optind++]);
+    char *diffFileName = (optind < argc ? strdup(argv[optind++]) : 0);
+    bool doDiff = (diffFileName != 0);
+
+    SNDFILE *sndfile;
+    SNDFILE *sndfileOut;
+    SNDFILE *sndDiffFile = 0;
+    SF_INFO sfinfo;
+    SF_INFO sfinfoOut;
+    SF_INFO sfinfoDiff;
+    memset(&sfinfo, 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;
+    }
+
+    sfinfoOut.channels = 1;
+    sfinfoOut.format = SF_FORMAT_WAV | SF_FORMAT_PCM_16;
+    sfinfoOut.frames = sfinfo.frames;
+    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;
+    }
+
+    if (doDiff) {
+	sfinfoDiff = sfinfoOut;
+	sndDiffFile = sf_open(diffFileName, SFM_WRITE, &sfinfoDiff);
+	if (!sndDiffFile) {
+	    cerr << "ERROR: Failed to open diff output file \"" << diffFileName << "\" for writing: "
+		 << sf_strerror(sndDiffFile) << endl;
+	    return 1;
+	}
+    }
+
+    int ibs = 1024;
+    int channels = sfinfo.channels;
+    float *fbuf = new float[channels * ibs];
+
+    if (maxFreq == 0.0) maxFreq = sfinfo.samplerate / 3;
+    if (minFreq == 0.0) minFreq = 100;
+    if (bpo == 0) bpo = 60;
+
+    ConstantQ cq(sfinfo.samplerate, minFreq, maxFreq, bpo);
+    CQInverse cqi(sfinfo.samplerate, minFreq, maxFreq, bpo);
+
+    cerr << "max freq = " << cq.getMaxFrequency() << ", min freq = "
+	 << cq.getMinFrequency() << ", octaves = " << cq.getOctaves() << endl;
+
+    cerr << "octave boundaries: ";
+    for (int i = 0; i < cq.getOctaves(); ++i) {
+	cerr << cq.getMaxFrequency() / pow(2, i) << " ";
+    }
+    cerr << endl;
+
+    int inframe = 0;
+    int outframe = 0;
+    int latency = cq.getLatency() + cqi.getLatency();
+
+    vector<double> buffer;
+
+    double maxdiff = 0.0;
+    int maxdiffidx = 0;
+
+    cerr << "forward latency = " << cq.getLatency() << ", inverse latency = " 
+	 << cqi.getLatency() << ", total = " << latency << endl;
+
+    timeval tv;
+    (void)gettimeofday(&tv, 0);
+
+    while (inframe < sfinfo.frames) {
+
+        int count = -1;
+	
+	if ((count = sf_readf_float(sndfile, fbuf, ibs)) < 0) {
+	    break;
+	}
+
+	vector<double> cqin;
+	for (int i = 0; i < count; ++i) {
+	    double v = fbuf[i * channels];
+	    if (channels > 1) {
+		for (int c = 1; c < channels; ++c) {
+		    v += fbuf[i * channels + c];
+		}
+		v /= channels;
+	    }
+	    cqin.push_back(v);
+	}
+
+	if (doDiff) {
+	    buffer.insert(buffer.end(), cqin.begin(), cqin.end());
+	}
+	
+	vector<double> cqout = cqi.process(cq.process(cqin));
+
+	for (int i = 0; i < int(cqout.size()); ++i) {
+	    if (cqout[i] > 1.0) cqout[i] = 1.0;
+	    if (cqout[i] < -1.0) cqout[i] = -1.0;
+	}
+
+	if (outframe >= latency) {
+
+	    sf_writef_double(sndfileOut, 
+			     cqout.data(), 
+			     cqout.size());
+
+	} else if (outframe + (int)cqout.size() >= latency) {
+
+	    int offset = latency - outframe;
+	    sf_writef_double(sndfileOut, 
+			     cqout.data() + offset,
+			     cqout.size() - offset);
+	}
+
+	if (doDiff) {
+	    for (int i = 0; i < (int)cqout.size(); ++i) {
+		if (outframe + i >= latency) {
+		    int dframe = outframe + i - latency;
+		    if (dframe >= (int)buffer.size()) cqout[i] = 0;
+		    else cqout[i] -= buffer[dframe];
+		    if (fabs(cqout[i]) > maxdiff &&
+			dframe > sfinfo.samplerate && // ignore first/last sec
+			dframe + sfinfo.samplerate < sfinfo.frames) {
+			maxdiff = fabs(cqout[i]);
+			maxdiffidx = dframe;
+		    }
+		}
+	    }
+	    
+	    if (outframe >= latency) {
+
+		sf_writef_double(sndDiffFile, 
+				 cqout.data(), 
+				 cqout.size());
+
+	    } else if (outframe + (int)cqout.size() >= latency) {
+
+		int offset = latency - outframe;
+		sf_writef_double(sndDiffFile, 
+				 cqout.data() + offset,
+				 cqout.size() - offset);
+	    }
+	}
+
+	inframe += count;
+	outframe += cqout.size();
+    }
+
+    vector<double> r = cqi.process(cq.getRemainingOutput());
+    vector<double> r2 = cqi.getRemainingOutput();
+
+    r.insert(r.end(), r2.begin(), r2.end());
+
+    for (int i = 0; i < int(r.size()); ++i) {
+	if (r[i] > 1.0) r[i] = 1.0;
+	if (r[i] < -1.0) r[i] = -1.0;
+    }
+
+    sf_writef_double(sndfileOut, r.data(), r.size());
+    if (doDiff) {
+	for (int i = 0; i < (int)r.size(); ++i) {
+	    if (outframe + i >= latency) {
+		int dframe = outframe + i - latency;
+		if (dframe >= (int)buffer.size()) r[i] = 0;
+		else r[i] -= buffer[dframe];
+		if (fabs(r[i]) > maxdiff &&
+		    dframe > sfinfo.samplerate && // ignore first/last sec
+		    dframe + sfinfo.samplerate < sfinfo.frames) {
+		    maxdiff = fabs(r[i]);
+		    maxdiffidx = dframe;
+		}
+	    }
+	}
+	sf_writef_double(sndDiffFile, r.data(), r.size());
+    }
+    outframe += r.size();
+
+    sf_close(sndfile);
+    sf_close(sndfileOut);
+
+    if (doDiff) {
+	sf_close(sndDiffFile);
+    }
+
+    cerr << "in: " << inframe << ", out: " << outframe - latency << endl;
+
+    if (doDiff) {
+	double db = 10 * log10(maxdiff);
+	cerr << "max diff [excluding first and last second of audio] is "
+	     << maxdiff << " (" << db << " dBFS)"
+	     << " at sample index " << maxdiffidx << endl;
+    }
+    
+    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 (not counting init): " << sec << " sec, frames/sec at input: " << inframe/sec << endl;
+
+    return 0;
+}
+