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54 lines
1.9 KiB
54 lines
1.9 KiB
15 years ago
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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
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* License 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 GNU
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* 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
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCORE_PARSEUTILS_H
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#define AVCORE_PARSEUTILS_H
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#include <libavutil/rational.h>
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/**
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* @file
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* misc parsing utilities for libavcore
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*/
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/**
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* Parse str and put in width_ptr and height_ptr the detected values.
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*
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* @param[in,out] width_ptr pointer to the variable which will contain the detected
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* frame width value
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* @param[in,out] height_ptr pointer to the variable which will contain the detected
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* frame height value
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* @param[in] str the string to parse: it has to be a string in the format
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* width x height or a valid video frame size abbreviation.
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* @return >= 0 on success, a negative error code otherwise
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*/
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int av_parse_video_size(int *width_ptr, int *height_ptr, const char *str);
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/**
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* Parse str and store the detected values in *frame_rate.
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*
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* @param[in,out] frame_rate pointer to the AVRational which will contain the detected
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* frame rate
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* @param[in] str the string to parse: it has to be a string in the format
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* frame_rate_num / frame_rate_den, a float number or a valid video rate abbreviation
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* @return >= 0 on success, a negative error code otherwise
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*/
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int av_parse_video_rate(AVRational *frame_rate, const char *str);
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#endif /* AVCORE_PARSEUTILS_H */
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