2023-03-06 14:42:04 +01:00
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// SPDX-License-Identifier: GPL-2.0-or-later
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// Copyright The Music Player Daemon Project
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2021-12-03 16:32:15 +01:00
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#include "ReadFrames.hxx"
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#include "pcm/ReplayGainAnalyzer.hxx"
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#include "io/FileDescriptor.hxx"
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#include "system/Error.hxx"
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#include "util/PrintException.hxx"
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#include <array>
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#include <memory>
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#include <stdlib.h>
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int
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main(int, char **) noexcept
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try {
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WindowReplayGainAnalyzer a;
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constexpr std::size_t frame_size = ReplayGainAnalyzer::CHANNELS *
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sizeof(ReplayGainAnalyzer::sample_type);
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const FileDescriptor input_fd(STDIN_FILENO);
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while (true) {
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std::array<ReplayGainAnalyzer::Frame, 1024> buffer;
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size_t nbytes = ReadFrames(input_fd,
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buffer.data(), sizeof(buffer),
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frame_size);
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if (nbytes == 0)
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break;
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a.Process({buffer.data(), nbytes / frame_size});
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}
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a.Flush();
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printf("gain = %+.2f dB\n", (double)a.GetGain());
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printf("peak = %.6f\n", (double)a.GetPeak());
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return EXIT_SUCCESS;
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} catch (...) {
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PrintException(std::current_exception());
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return EXIT_FAILURE;
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}
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