Open Source Computer Vision Library https://opencv.org/
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

29 lines
577 B

#define __STDC_CONSTANT_MACROS
#include <stdlib.h>
extern "C" {
#include <libavformat/avformat.h>
#include <libavcodec/avcodec.h>
#include <libswscale/swscale.h>
}
#define CALC_FFMPEG_VERSION(a,b,c) ( a<<16 | b<<8 | c )
static void test()
{
AVFormatContext* c = 0;
AVCodec* avcodec = 0;
AVFrame* frame = 0;
(void)avcodec;
(void)frame;
#if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(52, 111, 0)
int err = avformat_open_input(&c, "", NULL, NULL);
#else
int err = av_open_input_file(&c, "", NULL, 0, NULL);
#endif
(void)err;
}
int main() { test(); return 0; }