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// SPDX-License-Identifier: GPL-2.0-or-later
// Copyright The Music Player Daemon Project
#include "ReadFrames.hxx"
#include "pcm/ReplayGainAnalyzer.hxx"
#include "io/FileDescriptor.hxx"
#include "system/Error.hxx"
#include "util/PrintException.hxx"
#include <array>
#include <memory>
#include <stdlib.h>
int
main(int, char **) noexcept
try {
WindowReplayGainAnalyzer a;
constexpr std::size_t frame_size = ReplayGainAnalyzer::CHANNELS *
sizeof(ReplayGainAnalyzer::sample_type);
const FileDescriptor input_fd(STDIN_FILENO);
while (true) {
std::array<ReplayGainAnalyzer::Frame, 1024> buffer;
size_t nbytes = ReadFrames(input_fd,
buffer.data(), sizeof(buffer),
frame_size);
if (nbytes == 0)
break;
a.Process({buffer.data(), nbytes / frame_size});
}
a.Flush();
printf("gain = %+.2f dB\n", (double)a.GetGain());
printf("peak = %.6f\n", (double)a.GetPeak());
return EXIT_SUCCESS;
} catch (...) {
PrintException(std::current_exception());
return EXIT_FAILURE;
}
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