OpenCV >> C/C++

get avi frame count

---

參考資訊：
1. how-to-know-total-number-of-frame-in-a-file-with-cv2-in-python

main.cpp

#include <stdio.h>
#include <opencv2/opencv.hpp>
#include <opencv2/core/core.hpp>
#include <opencv2/highgui/highgui.hpp>
 
using namespace cv;
using std::string;
 
int main(int argc, char** argv)
{
  Mat frame;
  VideoCapture capture("main.avi");
 
  if(!capture.isOpened()){
    printf("failed to load avi");
    return -1;
  }

  int cnt = capture.get(CAP_PROP_FRAME_COUNT);
  printf("total frame: %d\n", cnt);
  return 0;
}

CMakeLists.txt

cmake_minimum_required(VERSION 2.8)
project(main)
find_package(OpenCV REQUIRED)
include_directories(${OpenCV_INCLUDE_DIRS})
add_executable(main main.cpp)
target_link_libraries(main ${OpenCV_LIBS})

編譯

$ cmake .
$ make

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