解決方法：OpenCV: FFMPEG: tag 0x00000898/'???' is not found (format 'avi / AVI (Audio Video Interleaved)

I couldn't get that code to run on my Windows 10 machine either.

So here's what I did:

1. I followed these instructions and installed the latest ffmpeg build on machine:

    

    

   1. Download the latest static build for Windows and then extract the files. You may need 7zip to extract.
   2. Create a folder in C:\ called ffmpeg
   3. Copy the contents of the extracted files into C:\ffmpeg
   4. Edit your PATH environment variable to append at the end the following entry: C:\ffmpeg\bin;
   5. Confirm that everything is working correct by opening a cmd prompt and enter the following (Note you might need to run cmd as administrator): ffmpeg -version

   我通過這些步驟，通過安裝最新的ffmpeg 在機器上 

   1.下載最新的static build for Windows 然後解壓這些文件 

   2.創建一個文件在C盤下面，文件名叫做ffmpeg 

   3.複製上面解壓出來的文件到ffmpeg文件中 

   4.設置環境變量(網上搜索就好)複製上述變量名字到裏面就可以 

   5.確定所有的工作都可以正常運行通過cmd打開命令行輸入ffmpeg -version

   最後在自己openCV代碼中寫入文件的格式改成mp4格式

   如：

   cv::VideoWriter writer("VideoTest.mp4", cv::CAP_OPENCV_MJPEG, rate, videoSize); 

    

這段是在網站上搜索到的：翻譯部分是我自己寫的。鏈接在這貼出來： https://stackoverflow.com/questions/36643139/python-and-opencv-cannot-write-readable-avi-video-files/36647509