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FFmpeg/libavutil/replaygain.h

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/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_REPLAYGAIN_H
#define AVUTIL_REPLAYGAIN_H
#include <stdint.h>
/**
* ReplayGain information (see
* http://wiki.hydrogenaudio.org/index.php?title=ReplayGain_1.0_specification).
* The size of this struct is a part of the public ABI.
*/
typedef struct AVReplayGain {
/**
* Track replay gain in microbels (divide by 100000 to get the value in dB).
* Should be set to INT32_MIN when unknown.
*/
int32_t track_gain;
/**
* Peak track amplitude, with 100000 representing full scale (but values
* may overflow). 0 when unknown.
*/
uint32_t track_peak;
/**
* Same as track_gain, but for the whole album.
*/
int32_t album_gain;
/**
* Same as track_peak, but for the whole album,
*/
uint32_t album_peak;
} AVReplayGain;
#endif /* AVUTIL_REPLAYGAIN_H */