blob: b49bf1a3d968620618665d237e88b48aa90d7a4d
| 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 */ |
| 51 |