sfizz/benchmarks/BM_wavfile.cpp
2020-03-14 17:33:25 +01:00

95 lines
2.8 KiB
C++

// SPDX-License-Identifier: BSD-2-Clause
// This code is part of the sfizz library and is licensed under a BSD 2-clause
// license. You should have receive a LICENSE.md file along with the code.
// If not, contact the sfizz maintainers at https://github.com/sfztools/sfizz
#include "Buffer.h"
#include <benchmark/benchmark.h>
#include <sndfile.hh>
#define DR_WAV_IMPLEMENTATION
#include "dr_wav.h"
#include "ghc/filesystem.hpp"
#include <memory>
#ifndef NDEBUG
#include <iostream>
#endif
// #include "libnyquist/Decoders.h"
class FileFixture : public benchmark::Fixture {
public:
void SetUp(const ::benchmark::State& state) {
filePath1 = getPath() / "sample1.wav";
filePath2 = getPath() / "sample2.wav";
filePath3 = getPath() / "sample3.wav";
if ( !ghc::filesystem::exists(filePath1)
|| !ghc::filesystem::exists(filePath2)
|| !ghc::filesystem::exists(filePath3)) {
#ifndef NDEBUG
std::cerr << "Can't find path" << '\n';
#endif
std::terminate();
}
}
void TearDown(const ::benchmark::State& /* state */) {
}
ghc::filesystem::path getPath()
{
#ifdef __linux__
char buf[PATH_MAX + 1];
if (readlink("/proc/self/exe", buf, sizeof(buf) - 1) == -1)
return {};
std::string str { buf };
return str.substr(0, str.rfind('/'));
#elif _WIN32
return ghc::filesystem::current_path();
#endif
}
std::unique_ptr<sfz::Buffer<float>> buffer;
ghc::filesystem::path filePath1;
ghc::filesystem::path filePath2;
ghc::filesystem::path filePath3;
};
BENCHMARK_DEFINE_F(FileFixture, SndFile)(benchmark::State& state) {
for (auto _ : state)
{
SndfileHandle sndfile(filePath1.c_str());
buffer = std::make_unique<sfz::Buffer<float>>(sndfile.channels() * sndfile.frames());
sndfile.readf(buffer->data(), sndfile.frames());
}
}
BENCHMARK_DEFINE_F(FileFixture, DrWav)(benchmark::State& state) {
for (auto _ : state)
{
drwav wav;
if (!drwav_init_file(&wav, filePath2.c_str(), nullptr)) {
#ifndef NDEBUG
std::cerr << "Can't find path" << '\n';
#endif
std::terminate();
}
buffer = std::make_unique<sfz::Buffer<float>>(wav.channels * wav.totalPCMFrameCount);
drwav_read_pcm_frames_f32(&wav, wav.totalPCMFrameCount, buffer->data());
}
}
// BENCHMARK_DEFINE_F(FileFixture, LibNyquist)(benchmark::State& state) {
// for (auto _ : state)
// {
// nqr::AudioData data;
// nqr::NyquistIO loader;
// loader.Load(&data, filePath3.string());
// benchmark::DoNotOptimize(data);
// }
// }
BENCHMARK_REGISTER_F(FileFixture, SndFile);
BENCHMARK_REGISTER_F(FileFixture, DrWav);
// BENCHMARK_REGISTER_F(FileFixture, LibNyquist);
BENCHMARK_MAIN();