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libKeyFrame.h
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libKeyFrame.h
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/*
* Copyright (C) 2016 Leslie Zhai <xiang.zhai@i-soft.com.cn>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef __LIB_KEYFRAME_H__
#define __LIB_KEYFRAME_H__
#define LIBKEYFRAME_EXPORTED __attribute__((__visibility__("default")))
#ifdef __cplusplus
extern "C" {
#endif
/*
* Find all keyfram from video then save to PNG file.
*
* @param src_file The video path of the keyframe to be extracted
* @param out_dir Keyframe output folder
* @param img_width Thumbnail width
* @param img_height Thumbnail height
* @return 0 on success, -1 on error
*/
LIBKEYFRAME_EXPORTED int findKeyFrame(char *src_file,
char *out_dir,
int img_width,
int img_height);
#ifdef __cplusplus
}
#endif
#endif /* __LIB_KEYFRAME_H__ */