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ffmpeg - why video conversion from avi to mp4 in php using exec function not working? - Stack Overflow
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html - PHP: iPad does not play MP4 videos delivered by PHP, but if accessed directly it does - Stack Overflow
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PHP YouTube Downloader Script 2017 that Works - How to Download a Video of Any Website using a Converter from YouTube to MP4 or Convert to MP3 - PHP Classes
GitHub - BunyaminEfe/php-mp4-player: Code structure for playing all videos in a specified file via autoplay.
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