| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * codec2 utility functions | ||
| 3 | * Copyright (c) 2017 Tomas Härdin | ||
| 4 | * | ||
| 5 | * This file is part of FFmpeg. | ||
| 6 | * | ||
| 7 | * FFmpeg is free software; you can redistribute it and/or | ||
| 8 | * modify it under the terms of the GNU Lesser General Public | ||
| 9 | * License as published by the Free Software Foundation; either | ||
| 10 | * version 2.1 of the License, or (at your option) any later version. | ||
| 11 | * | ||
| 12 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 15 | * Lesser General Public License for more details. | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU Lesser General Public | ||
| 18 | * License along with FFmpeg; if not, write to the Free Software | ||
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 20 | */ | ||
| 21 | |||
| 22 | #ifndef AVCODEC_CODEC2UTILS_H | ||
| 23 | #define AVCODEC_CODEC2UTILS_H | ||
| 24 | |||
| 25 | #include <stdint.h> | ||
| 26 | |||
| 27 | //Highest mode we're willing to use. | ||
| 28 | //Don't want to let users accidentally produce files that can't be decoded in the future. | ||
| 29 | //CODEC2_MODE_WB (9) is experimental/unstable as of 2017-11-23. | ||
| 30 | #define CODEC2_MODE_MAX 8 //CODEC2_MODE_700C | ||
| 31 | |||
| 32 | //Used by both codec2raw demuxer and libcodec2 encoder. | ||
| 33 | //The integers match the values in codec2.h, so "3200" -> CODEC2_MODE_3000 = 0 and so on. | ||
| 34 | //It is possible that we're linked to a version of libcodec2 that lacks some of these modes. | ||
| 35 | //For example Debian stretch ships with libcodec2.so.0.4 which lacks CODEC2_MODE_700C. | ||
| 36 | #define CODEC2_AVOPTIONS(desc, classname, min_val, default_val, option_flags) \ | ||
| 37 | { "mode", desc, offsetof(classname, mode), AV_OPT_TYPE_INT, {.i64 = default_val}, min_val, CODEC2_MODE_MAX, .flags=option_flags, .unit="codec2_mode"},\ | ||
| 38 | { "3200", "3200", 0, AV_OPT_TYPE_CONST, {.i64 = 0}, .flags=option_flags, .unit="codec2_mode"},\ | ||
| 39 | { "2400", "2400", 0, AV_OPT_TYPE_CONST, {.i64 = 1}, .flags=option_flags, .unit="codec2_mode"},\ | ||
| 40 | { "1600", "1600", 0, AV_OPT_TYPE_CONST, {.i64 = 2}, .flags=option_flags, .unit="codec2_mode"},\ | ||
| 41 | { "1400", "1400", 0, AV_OPT_TYPE_CONST, {.i64 = 3}, .flags=option_flags, .unit="codec2_mode"},\ | ||
| 42 | { "1300", "1300", 0, AV_OPT_TYPE_CONST, {.i64 = 4}, .flags=option_flags, .unit="codec2_mode"},\ | ||
| 43 | { "1200", "1200", 0, AV_OPT_TYPE_CONST, {.i64 = 5}, .flags=option_flags, .unit="codec2_mode"},\ | ||
| 44 | { "700", "700", 0, AV_OPT_TYPE_CONST, {.i64 = 6}, .flags=option_flags, .unit="codec2_mode"},\ | ||
| 45 | { "700B", "700B", 0, AV_OPT_TYPE_CONST, {.i64 = 7}, .flags=option_flags, .unit="codec2_mode"},\ | ||
| 46 | { "700C", "700C", 0, AV_OPT_TYPE_CONST, {.i64 = 8}, .flags=option_flags, .unit="codec2_mode"} | ||
| 47 | |||
| 48 | #define CODEC2_EXTRADATA_SIZE 4 | ||
| 49 | |||
| 50 | //Used in codec2raw demuxer and libcodec2 encoder | ||
| 51 | ✗ | static inline void codec2_make_extradata(uint8_t *ptr, int mode) { | |
| 52 | //version 0.8 as of 2017-12-23 (r3386) | ||
| 53 | ✗ | ptr[0] = 0; //major | |
| 54 | ✗ | ptr[1] = 8; //minor | |
| 55 | ✗ | ptr[2] = mode; //mode | |
| 56 | ✗ | ptr[3] = 0; //flags | |
| 57 | ✗ | } | |
| 58 | |||
| 59 | ✗ | static inline uint8_t codec2_mode_from_extradata(uint8_t *ptr) { | |
| 60 | ✗ | return ptr[2]; | |
| 61 | } | ||
| 62 | |||
| 63 | #endif /* AVCODEC_CODEC2UTILS_H */ | ||
| 64 |