The “blob” URL you are seeing is a reference to a Binary Large Object (BLOB) that contains the media data for the video you are playing.
When you load an M3U8 playlist in DPlayer, it uses the browser’s built-in video capabilities to fetch and play the video segments specified in the playlist. However, in order to protect the video from being easily downloaded, the browser will often store the video data in a BLOB object that is only accessible within the context of the page. The blob URL you are seeing is a reference to this object.
The blob URL is a temporary URL that is only valid while the page is open. Once you close the page, the blob object will be discarded and the URL will no longer be valid. If you need to save the video for later use, you should use a video downloader tool that is specifically designed to work with M3U8 playlists.