55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
/* the Music Player Daemon (MPD)
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* Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
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* (c)2004 replayGain code by AliasMrJones
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* This project's homepage is: 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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef MPD_REPLAY_GAIN_H
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#define MPD_REPLAY_GAIN_H
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enum replay_gain_mode {
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REPLAY_GAIN_OFF = -1,
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REPLAY_GAIN_ALBUM,
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REPLAY_GAIN_TRACK,
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};
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struct audio_format;
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extern enum replay_gain_mode replay_gain_mode;
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struct replay_gain_info {
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float album_gain;
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float album_peak;
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float track_gain;
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float track_peak;
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/* used internally by mpd, to mess with it */
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float scale;
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};
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struct replay_gain_info *
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replay_gain_info_new(void);
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void replay_gain_info_free(struct replay_gain_info *info);
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void replay_gain_global_init(void);
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void
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replay_gain_apply(struct replay_gain_info *info, char *buffer, int bufferSize,
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const struct audio_format *format);
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#endif
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