replaygain.h (1607B)
1 /* 2 * This file is part of FFmpeg. 3 * 4 * FFmpeg is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Lesser General Public 6 * License as published by the Free Software Foundation; either 7 * version 2.1 of the License, or (at your option) any later version. 8 * 9 * FFmpeg is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Lesser General Public License for more details. 13 * 14 * You should have received a copy of the GNU Lesser General Public 15 * License along with FFmpeg; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 17 */ 18 19 #ifndef AVUTIL_REPLAYGAIN_H 20 #define AVUTIL_REPLAYGAIN_H 21 22 #include <stdint.h> 23 24 /** 25 * ReplayGain information (see 26 * http://wiki.hydrogenaudio.org/index.php?title=ReplayGain_1.0_specification). 27 * The size of this struct is a part of the public ABI. 28 */ 29 typedef struct AVReplayGain { 30 /** 31 * Track replay gain in microbels (divide by 100000 to get the value in dB). 32 * Should be set to INT32_MIN when unknown. 33 */ 34 int32_t track_gain; 35 /** 36 * Peak track amplitude, with 100000 representing full scale (but values 37 * may overflow). 0 when unknown. 38 */ 39 uint32_t track_peak; 40 /** 41 * Same as track_gain, but for the whole album. 42 */ 43 int32_t album_gain; 44 /** 45 * Same as track_peak, but for the whole album, 46 */ 47 uint32_t album_peak; 48 } AVReplayGain; 49 50 #endif /* AVUTIL_REPLAYGAIN_H */