| /* |
| * Opus common header |
| * Copyright (c) 2012 Andrew D'Addesio |
| * Copyright (c) 2013-2014 Mozilla Corporation |
| * |
| * 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 AVCODEC_OPUS_H |
| #define AVCODEC_OPUS_H |
| |
| #include <stdint.h> |
| |
| #define OPUS_MAX_FRAME_SIZE 1275 |
| #define OPUS_MAX_FRAMES 48 |
| #define OPUS_MAX_PACKET_DUR 5760 |
| |
| #define OPUS_TS_HEADER 0x7FE0 // 0x3ff (11 bits) |
| #define OPUS_TS_MASK 0xFFE0 // top 11 bits |
| |
| static const uint8_t opus_default_extradata[30] = { |
| 'O', 'p', 'u', 's', 'H', 'e', 'a', 'd', |
| 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| }; |
| |
| enum OpusMode { |
| OPUS_MODE_SILK, |
| OPUS_MODE_HYBRID, |
| OPUS_MODE_CELT, |
| |
| OPUS_MODE_NB |
| }; |
| |
| enum OpusBandwidth { |
| OPUS_BANDWIDTH_NARROWBAND, |
| OPUS_BANDWIDTH_MEDIUMBAND, |
| OPUS_BANDWIDTH_WIDEBAND, |
| OPUS_BANDWIDTH_SUPERWIDEBAND, |
| OPUS_BANDWIDTH_FULLBAND, |
| |
| OPUS_BANDWITH_NB |
| }; |
| |
| #endif /* AVCODEC_OPUS_H */ |