m3u8_download's Introduction

m3u8_download

Why have this project

I want to download some video, but use ffmpeg -i xxx -c copy xxx.mp4 is too slow.

Because it seems that there is a limited speed for single-threaded downloads, the overall speed is very slow, and online playback will freeze, but multi-threaded downloads will not be very slow. So I wrote this tool, which can parse m3u8 and download ts files in multiple threads, and do the "merging" work locally to speed up.

require

The executable is available for Windows, Linux and macOS.

And, you need to install ffmpeg first.

Install

dart pub global activate m3u8_download

git clone https://github.com/CaiJingLong/m3u8_download.git
cd m3u8_download
dart pub global activate -s path .

Or, download from release

# after download
chmod +x m3u8

Usage

pub global

m3u8 -u xxx -o download

use source code

dart bin/m3u8_download.dart -u xxx

help for command

$ m3u8 -h
Download m3u8 and merge to video(mp4)

Usage: m3u8_download <command> [arguments]

Global options:
-u, --url                 m3u8 url
-o, --output              output file name (not have ext)
                          (defaults to "download/video")
-p, --protocol            supported protocol (for ffmpeg merge)
                          (defaults to "file,crypto,data,http,tcp,https,tls")
-e, --ext                 output file ext.
                          (defaults to "mp4")
-t, --threads             download threads
                          (defaults to "20")
-v, --[no-]verbose        show verbose log
-r, --[no-]remove-temp    remove temp file after merge
                          (defaults to on)
-h, --help                Print this usage information.

Available commands:
  help   Display help information for m3u8_download.

Run "m3u8_download help <command>" for more information about a command.

Example: m3u8 -u http://example.com/index.m3u8 -o download

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