Update Final effect

Author: whyb

README.md

@@ -103,9 +103,10 @@ Use this method if you have cloned the project source code from GitHub and want
     hwcodecdetect
     ```
 
-## Demo
+## Final effect
 Here are some possible results from a local test run:
-![test result](https://raw.githubusercontent.com/whyb/HwCodecDetect/main/imgs/run_tests.png)
+<video src="imgs/hwcodecdetect.mp4" muted autoplay loop controls style="max-width: 100%;">
+</video>
 
 ## Star History
 [![Star History Chart](https://api.star-history.com/svg?repos=whyb/HwCodecDetect&type=date&legend=top-left)](https://www.star-history.com/#whyb/HwCodecDetect&type=date&legend=top-left)

README.zh.md

@@ -98,7 +98,8 @@
 
 ## 效果展示
 下面是本地运行测试的可能的结果：
-![test result](https://raw.githubusercontent.com/whyb/HwCodecDetect/main/imgs/run_tests.png)
+<video src="imgs/hwcodecdetect.mp4" muted autoplay loop controls style="max-width: 100%;">
+</video>
 
 ## Star增长记录
 [![Star History Chart](https://api.star-history.com/svg?repos=whyb/HwCodecDetect&type=date&legend=top-left)](https://www.star-history.com/#whyb/HwCodecDetect&type=date&legend=top-left)