79 lines
1.6 KiB
C++
79 lines
1.6 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 "config.h"
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#include "tag/Id3Load.hxx"
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#include "tag/Rva2.hxx"
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#include "tag/ReplayGainInfo.hxx"
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#include "thread/Mutex.hxx"
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#include "fs/Path.hxx"
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#include "fs/NarrowPath.hxx"
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#include "input/InputStream.hxx"
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#include "input/LocalOpen.hxx"
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#include "util/PrintException.hxx"
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#include <id3tag.h>
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#ifdef HAVE_LOCALE_H
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#include <locale.h>
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#endif
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#include <stdlib.h>
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#include <stdio.h>
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static void
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DumpReplayGainTuple(const char *name, const ReplayGainTuple &tuple)
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{
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if (tuple.IsDefined())
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fprintf(stderr, "replay_gain[%s]: gain=%f peak=%f\n",
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name, (double)tuple.gain, (double)tuple.peak);
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}
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static void
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DumpReplayGainInfo(const ReplayGainInfo &info)
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{
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DumpReplayGainTuple("album", info.album);
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DumpReplayGainTuple("track", info.track);
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}
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int main(int argc, char **argv)
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try {
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#ifdef HAVE_LOCALE_H
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/* initialize locale */
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setlocale(LC_CTYPE,"");
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#endif
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if (argc != 2) {
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fprintf(stderr, "Usage: read_rva2 FILE\n");
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return EXIT_FAILURE;
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}
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const FromNarrowPath path = argv[1];
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Mutex mutex;
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auto is = OpenLocalInputStream(path, mutex);
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const auto tag = tag_id3_load(*is);
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if (tag == nullptr) {
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fprintf(stderr, "No ID3 tag found\n");
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return EXIT_FAILURE;
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}
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ReplayGainInfo replay_gain;
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replay_gain.Clear();
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bool success = tag_rva2_parse(tag.get(), replay_gain);
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if (!success) {
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fprintf(stderr, "No RVA2 tag found\n");
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return EXIT_FAILURE;
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}
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DumpReplayGainInfo(replay_gain);
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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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