94 lines
2.2 KiB
C++
94 lines
2.2 KiB
C++
/*
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* Copyright 2003-2018 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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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 "ReplayGainInfo.hxx"
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#include "thread/Mutex.hxx"
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#include "fs/Path.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, tuple.gain, 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 Path path = Path::FromFS(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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