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// SPDX-License-Identifier: GPL-2.0-or-later
// Copyright The Music Player Daemon Project
#include "ReadFrames.hxx"
#include "pcm/MixRampAnalyzer.hxx"
#include "io/FileDescriptor.hxx"
#include "util/PrintException.hxx"
#include <array>
#include <memory>
#include <stdio.h>
#include <stdlib.h>
int
main(int, char **) noexcept
try {
constexpr std::size_t frame_size = sizeof(ReplayGainAnalyzer::Frame);
const FileDescriptor input_fd(STDIN_FILENO);
MixRampAnalyzer a;
while (true) {
std::array<ReplayGainAnalyzer::Frame, 4096> buffer;
size_t nbytes = ReadFrames(input_fd,
buffer.data(), sizeof(buffer),
frame_size);
if (nbytes == 0)
break;
const std::size_t n_frames = nbytes / frame_size;
a.Process({buffer.data(), n_frames});
}
const auto data = a.GetResult();
const auto total_time = a.GetTime();
printf("MIXRAMP_START=");
MixRampItem last{};
for (const auto &i : data.start) {
if (i.time >= FloatDuration{} && i != last) {
printf("%.2f %.2f;", i.volume, i.time.count());
last = i;
}
}
printf("\n");
printf("MIXRAMP_END=");
last = {};
for (const auto &i : data.end) {
if (i.time >= FloatDuration{} && i != last) {
printf("%.2f %.2f;", i.volume, (total_time - i.time).count());
last = i;
}
}
printf("\n");
return EXIT_SUCCESS;
} catch (...) {
PrintException(std::current_exception());
return EXIT_FAILURE;
}
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