69 lines
1.4 KiB
C++
69 lines
1.4 KiB
C++
// SPDX-License-Identifier: GPL-2.0-or-later
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// Copyright The Music Player Daemon Project
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#include "ReadFrames.hxx"
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#include "pcm/MixRampAnalyzer.hxx"
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#include "io/FileDescriptor.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 <stdio.h>
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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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constexpr std::size_t frame_size = sizeof(ReplayGainAnalyzer::Frame);
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const FileDescriptor input_fd(STDIN_FILENO);
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MixRampAnalyzer a;
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while (true) {
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std::array<ReplayGainAnalyzer::Frame, 4096> 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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const std::size_t n_frames = nbytes / frame_size;
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a.Process({buffer.data(), n_frames});
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}
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const auto data = a.GetResult();
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const auto total_time = a.GetTime();
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printf("MIXRAMP_START=");
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MixRampItem last{};
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for (const auto &i : data.start) {
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if (i.time >= FloatDuration{} && i != last) {
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printf("%.2f %.2f;", i.volume, i.time.count());
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last = i;
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}
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}
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printf("\n");
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printf("MIXRAMP_END=");
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last = {};
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for (const auto &i : data.end) {
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if (i.time >= FloatDuration{} && i != last) {
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printf("%.2f %.2f;", i.volume, (total_time - i.time).count());
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last = i;
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}
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}
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printf("\n");
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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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