Tutorial: Build Opencv 4.7 with custom FFmpeg 5 compiled from the source

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Get ready to supercharge your OpenCV 4.7 with a custom FFmpeg 5 video I/O backend as explained in this tutorial. In Opencv 4.7 release notes, There is mentioned FFmpeg 5.x support improved. So let’s compile FFmpeg 5.x from the source first and then Opencv 4.7 from the source and link this custom FFmpeg library.

Step-by-step in Ubuntu 22
-Download the FFmpeg source
-Configure
-Build FFmpeg library
-Install FFmpeg 5
-Download OpenCV source
-Configure Opnecv
-Build/ Instal Opencv

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