blob: a9608871b56ac0628af346f0c2040c12a4cded3b
| 1 | /* |
| 2 | * Tee common code |
| 3 | * Copyright (c) 2012 Nicolas George |
| 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 License |
| 9 | * 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 |
| 15 | * GNU Lesser General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU Lesser General Public License |
| 18 | * along with FFmpeg; if not, write to the Free Software * Foundation, Inc., |
| 19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 20 | */ |
| 21 | |
| 22 | #include "libavutil/avutil.h" |
| 23 | #include "libavutil/avstring.h" |
| 24 | #include "libavutil/opt.h" |
| 25 | |
| 26 | #include "tee_common.h" |
| 27 | |
| 28 | static const char *const slave_opt_open = "["; |
| 29 | static const char *const slave_opt_close = "]"; |
| 30 | static const char *const slave_opt_delim = ":]"; /* must have the close too */ |
| 31 | |
| 32 | int ff_tee_parse_slave_options(void *log, char *slave, |
| 33 | AVDictionary **options, char **filename) |
| 34 | { |
| 35 | const char *p; |
| 36 | char *key, *val; |
| 37 | int ret; |
| 38 | |
| 39 | if (!strspn(slave, slave_opt_open)) { |
| 40 | *filename = slave; |
| 41 | return 0; |
| 42 | } |
| 43 | p = slave + 1; |
| 44 | if (strspn(p, slave_opt_close)) { |
| 45 | *filename = (char *)p + 1; |
| 46 | return 0; |
| 47 | } |
| 48 | while (1) { |
| 49 | ret = av_opt_get_key_value(&p, "=", slave_opt_delim, 0, &key, &val); |
| 50 | if (ret < 0) { |
| 51 | av_log(log, AV_LOG_ERROR, "No option found near \"%s\"\n", p); |
| 52 | goto fail; |
| 53 | } |
| 54 | ret = av_dict_set(options, key, val, |
| 55 | AV_DICT_DONT_STRDUP_KEY | AV_DICT_DONT_STRDUP_VAL); |
| 56 | if (ret < 0) |
| 57 | goto fail; |
| 58 | if (strspn(p, slave_opt_close)) |
| 59 | break; |
| 60 | p++; |
| 61 | } |
| 62 | *filename = (char *)p + 1; |
| 63 | return 0; |
| 64 | |
| 65 | fail: |
| 66 | av_dict_free(options); |
| 67 | return ret; |
| 68 | } |
| 69 |