mpd/test/run_normalize.cxx
2023-03-13 12:25:01 +01:00

53 lines
1.1 KiB
C++

// SPDX-License-Identifier: GPL-2.0-or-later
// Copyright The Music Player Daemon Project
/*
* This program is a command line interface to MPD's normalize library
* (based on AudioCompress).
*
*/
#include "pcm/Normalizer.hxx"
#include "pcm/AudioParser.hxx"
#include "pcm/AudioFormat.hxx"
#include "util/PrintException.hxx"
#include <stdexcept>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
int main(int argc, char **argv)
try {
struct Compressor *compressor;
static char buffer[4096];
ssize_t nbytes;
if (argc > 2) {
fprintf(stderr, "Usage: run_normalize [FORMAT] <IN >OUT\n");
return 1;
}
AudioFormat audio_format(48000, SampleFormat::S16, 2);
if (argc > 1)
audio_format = ParseAudioFormat(argv[1], false);
compressor = Compressor_new(0);
while ((nbytes = read(0, buffer, sizeof(buffer))) > 0) {
Compressor_Process_int16(compressor,
(int16_t *)buffer, nbytes / 2);
[[maybe_unused]] ssize_t ignored = write(1, buffer, nbytes);
}
Compressor_delete(compressor);
return EXIT_SUCCESS;
} catch (...) {
PrintException(std::current_exception());
return EXIT_FAILURE;
}