opencv/cmake/checks/ffmpeg_test.cpp

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2016-11-28 04:31:04 +08:00
#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;
#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
}
int main() { test(); return 0; }