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Command-line arguments for sfizz_plot_lfo

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This commit is contained in:
Jean Pierre Cimalando 2020-08-13 03:34:03 +02:00
parent b71a2fb94b
commit b46076ba3b
1 changed files with 40 additions and 14 deletions
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54
tests/PlotLFO.cpp
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@ -18,6 +18,7 @@
#include "sfizz/Synth.h" #include "sfizz/Synth.h"
#include "sfizz/LFO.h" #include "sfizz/LFO.h"
#include "sfizz/LFODescription.h" #include "sfizz/LFODescription.h"
#include "cxxopts.hpp"
#include <absl/types/span.h> #include <absl/types/span.h>
#include <vector> #include <vector>
#include <iostream> #include <iostream>
@ -25,16 +26,8 @@
//============================================================================== //==============================================================================
static constexpr double sampleRate = 44100.0; // sample rate used to compute static double sampleRate = 1000.0; // sample rate used to compute
static constexpr double duration = 5.0; // length in seconds static double duration = 5.0; // length in seconds
/**
Print usage information
*/
static void usage()
{
std::cerr << "Usage: sfizz_plot_lfo <file.sfz>" "\n";
}
static std::vector<sfz::LFODescription> lfoDescriptionFromSfzFile(const fs::path &sfzPath, bool &success) static std::vector<sfz::LFODescription> lfoDescriptionFromSfzFile(const fs::path &sfzPath, bool &success)
{ {
@ -61,16 +54,49 @@ static std::vector<sfz::LFODescription> lfoDescriptionFromSfzFile(const fs::path
*/ */
int main(int argc, char* argv[]) int main(int argc, char* argv[])
{ {
if (argc < 2 || argc > 2) { cxxopts::Options options("sfizz_plot_lfo", "Compute LFO and generate plot data");
usage();
options.add_options()
("s,samplerate", "Sample rate", cxxopts::value(sampleRate))
("d,duration", "Duration", cxxopts::value(duration))
("h,help", "Print usage")
;
options.positional_help("sfz-file");
fs::path sfzPath;
try {
cxxopts::ParseResult result = options.parse(argc, argv);
options.parse_positional({ "sfz-file" });
if (result.count("help")) {
std::cout << options.help() << std::endl;
return 0;
}
if (argc != 2) {
std::cerr << "Please indicate the SFZ file to process.\n";
return 1;
}
sfzPath = argv[1];
}
catch (cxxopts::OptionException& ex) {
std::cerr << ex.what() << "\n";
return 1; return 1;
} }
fs::path sfzPath = argv[1];
bool success = false; bool success = false;
const std::vector<sfz::LFODescription> desc = lfoDescriptionFromSfzFile(sfzPath, success); const std::vector<sfz::LFODescription> desc = lfoDescriptionFromSfzFile(sfzPath, success);
if (!success) if (!success){
std::cerr << "Could not extract LFO descriptions from SFZ file.\n";
return 1; return 1;
}
if (sampleRate <= 0) {
std::cerr << "The sample rate provided is invalid.\n";
return 1;
}
size_t numLfos = desc.size(); size_t numLfos = desc.size();
std::vector<sfz::LFO> lfos(numLfos); std::vector<sfz::LFO> lfos(numLfos);