1/* 2 * 3 * This file is part of FFmpeg. 4 * 5 * FFmpeg is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Lesser General Public 7 * License as published by the Free Software Foundation; either 8 * version 2.1 of the License, or (at your option) any later version. 9 * 10 * FFmpeg is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Lesser General Public License for more details. 14 * 15 * You should have received a copy of the GNU Lesser General Public 16 * License along with FFmpeg; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 18 */ 19 20#ifndef AVUTIL_REPLAYGAIN_H 21#define AVUTIL_REPLAYGAIN_H 22 23#include <stdint.h> 24 25/** 26 * ReplayGain information (see 27 * http://wiki.hydrogenaudio.org/index.php?title=ReplayGain_1.0_specification). 28 * The size of this struct is a part of the public ABI. 29 */ 30typedef struct AVReplayGain { 31 /** 32 * Track replay gain in microbels (divide by 100000 to get the value in dB). 33 * Should be set to INT32_MIN when unknown. 34 */ 35 int32_t track_gain; 36 /** 37 * Peak track amplitude, with 100000 representing full scale (but values 38 * may overflow). 0 when unknown. 39 */ 40 uint32_t track_peak; 41 /** 42 * Same as track_gain, but for the whole album. 43 */ 44 int32_t album_gain; 45 /** 46 * Same as track_peak, but for the whole album, 47 */ 48 uint32_t album_peak; 49} AVReplayGain; 50 51#endif /* AVUTIL_REPLAYGAIN_H */ 52