mirror of
https://github.com/FFmpeg/FFmpeg.git
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69 lines
2.0 KiB
C
69 lines
2.0 KiB
C
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/*
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* Tee common code
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* Copyright (c) 2012 Nicolas George
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with FFmpeg; if not, write to the Free Software * Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/avutil.h"
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#include "libavutil/avstring.h"
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#include "libavutil/opt.h"
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#include "tee_common.h"
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static const char *const slave_opt_open = "[";
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static const char *const slave_opt_close = "]";
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static const char *const slave_opt_delim = ":]"; /* must have the close too */
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int ff_tee_parse_slave_options(void *log, char *slave,
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AVDictionary **options, char **filename)
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{
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const char *p;
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char *key, *val;
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int ret;
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if (!strspn(slave, slave_opt_open)) {
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*filename = slave;
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return 0;
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}
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p = slave + 1;
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if (strspn(p, slave_opt_close)) {
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*filename = (char *)p + 1;
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return 0;
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}
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while (1) {
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ret = av_opt_get_key_value(&p, "=", slave_opt_delim, 0, &key, &val);
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if (ret < 0) {
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av_log(log, AV_LOG_ERROR, "No option found near \"%s\"\n", p);
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goto fail;
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}
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ret = av_dict_set(options, key, val,
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AV_DICT_DONT_STRDUP_KEY | AV_DICT_DONT_STRDUP_VAL);
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if (ret < 0)
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goto fail;
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if (strspn(p, slave_opt_close))
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break;
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p++;
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}
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*filename = (char *)p + 1;
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return 0;
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fail:
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av_dict_free(options);
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return ret;
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}
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