aria2c -i playlist.m3u8 -j 16 -x 16 -s 16 -k 1M --continue=true

ffmpeg -f concat -safe 0 -i merge_list.txt -c copy final_video.mp4 Use code with caution.

While learning the aria2c + m3u8 pipeline teaches you exactly how HLS web streaming functions, doing it manually every time can be tedious.

If you are on a Unix-based system, you can use curl or wget to grab the playlist, filter out the segment URLs using text processing utilities, and pipe them directly into aria2c . Step 1: Download and Extract URLs

Many HLS streams are protected with AES-128 encryption. While aria2c is excellent at downloading files, it does not handle decryption. This is where the yt-dlp + aria2c combination or tools like dlm3u8 shine, as they can manage the decryption process. The typical process is: download → decrypt → merge. First, you would download the .ts files and the encryption key, then use ffmpeg to decrypt them:

You can inspect the "Network" tab in your browser's Developer Tools (F12) to find the User-Agent and Referer headers used by the browser when it played the video.

If your goal is simply to download an M3U8 video stream, is the industry standard. It parses the playlist, downloads the chunks, and muxes them into a single file automatically. Run this simple command in your terminal:

Many modern streaming sites protect their M3U8 files using basic security protocols. If your aria2c downloads fail with 403 Forbidden or 401 Unauthorized errors, you need to mimic a legitimate browser session. 1. Adding Custom User-Agents

--save-session=download.session : If your internet drops or the server throttles you, this saves your progress. You can resume later by running aria2c -s download.session .

Once all .ts files are downloaded, use FFmpeg to merge them into a single video.mp4 .

yt-dlp --downloader aria2c --downloader-args "aria2c:-x 16 -s 16 -k 1M" "https://example.com/video.m3u8"

: This command will take filelist.txt and merge all the segments into a single output.mp4 without re-encoding, preserving quality.

echo Merging segments into %OUTPUT_NAME%.mp4... REM Create filelist for ffmpeg if exist filelist.txt del filelist.txt for %%i in (*.ts) do echo file '%%~dpni%%~xi' >> filelist.txt ffmpeg -f concat -safe 0 -i filelist.txt -c copy "%OUTPUT_NAME%.mp4" -loglevel error