50 lines
1.1 KiB
C++
50 lines
1.1 KiB
C++
// SPDX-License-Identifier: GPL-2.0-or-later
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// Copyright The Music Player Daemon Project
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/*
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* This program is a command line interface to MPD's normalize library
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* (based on AudioCompress).
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*
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*/
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#include "pcm/Normalizer.hxx"
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#include "pcm/AudioParser.hxx"
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#include "pcm/AudioFormat.hxx"
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#include "util/PrintException.hxx"
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#include "util/SpanCast.hxx"
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#include <stdexcept>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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int main(int argc, char **argv)
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try {
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if (argc > 2) {
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fprintf(stderr, "Usage: run_normalize [FORMAT] <IN >OUT\n");
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return 1;
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}
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AudioFormat audio_format(48000, SampleFormat::S16, 2);
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if (argc > 1)
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audio_format = ParseAudioFormat(argv[1], false);
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PcmNormalizer normalizer;
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static std::byte buffer[4096];
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ssize_t nbytes;
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while ((nbytes = read(0, buffer, sizeof(buffer))) > 0) {
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static int16_t dest[2048];
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normalizer.ProcessS16(dest, FromBytesStrict<const int16_t>(std::span{buffer}.first(nbytes)));
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[[maybe_unused]] ssize_t ignored = write(1, dest, nbytes);
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}
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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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