Go library for downloading YouTube videos

package main

import (
	"fmt"
	"os"

	"github.com/rylio/ytdl"
)

func main() {
	vid, err := ytdl.GetVideoInfo("https://www.youtube.com/watch?v=WkVvG4QTO9M")
	if err != nil {
		fmt.Println("Failed to get video info")
		return
	}
	file, _ := os.Create(vid.Title + ".mp4")
	defer file.Close()
	vid.Download(vid.Formats[0], file)
}

• To install: go get -u github.com/rylio/ytdl/...

• Or use Docker image docker pull brucewangno1/ytdl:1.0

• ytdl [global options] [youtube url or video id]
• Or using Docker: docker run -it --rm -v /directory/you/want/to/save/the/download/:/ytdl/ brucewangno1/ytdl:1.0 [global options] "[youtube url or video id]"

• --help, -h - show help
• --filter, -f - Filter out formats
  • Syntax: -f key:value1,value2,...,valueN
    • Shortcuts for best/worst(e.g. -f best)
      • best/worst - best/worst video and audio
      • best-video/worst-video - best/worst video
      • best-fps/worst-fps - best/worst video with fps as the first priority
      • best-audio/worst-audio - best/worst audio
  • To exclude: -f !key:value1,...
  • Available keys (See format.go for available values):
    • ext - extension of video
    • res - resolution of video
    • videnc - video encoding
    • audenc - audio encoding
    • prof - youtube video profile
    • audbr - audio bitrate
  • Default filters
    • ext:mp4
    • !videnc:
    • !audenc:
    • best
• --output, -o - Output to specific path
  • Supports templates, ex: {{.Title}}.{{.Ext}}
  • Defaults to {{.Title}}.{{.Ext}}
  • Supported template variables are Title, Ext, DatePublished, Resolution
  • Pass - to output to stdout, former stdout output is redirected to stderr
• --info, -i - Just gets video info, outputs to stdout
• --silent, -s - Disables all output, except for fatal errors
• --debug, -d - Output debug logs
• --append, -a - append to output file, instead of truncating
• --range, -r - specify a range of bytes, placed in http range header, ex: 0-100
• --download-url, -u - just print download url to, don't do anything else
• --version, -v - print out ytdl cli version
• --start-offset - offset the beginning of the video by a duration of time(e.g. 20s or 1m)
• --download-option, -p - Print video and audio download options and accept input interactively

Download content based on itag

ytdl -f itag:22 'https://www.youtube.com/watch?v=9bZkp7q19f0'

Download content with the best fps

ytdl -f best-fps 'https://www.youtube.com/watch?v=9bZkp7q19f0'

Get all download formats (Requires jq to be installed)

./ytdl -j 'http://youtube.com/watch?v=9bZkp7q19f0' | jq ".formats"

Extract title of the video (Requires jq to be installed)

ytdl -j 'http://youtube.com/watch?v=9bZkp7q19f0' | jq ".title"

Print download url without downloading the content

ytdl -f itag:22 --download-url 'https://www.youtube.com/watch?v=9bZkp7q19f0'

Print video and audio download options and accept input interactively

ytdl -p 'https://www.youtube.com/watch?v=9bZkp7q19f0'

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Added some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request

ytdl is released under the MIT License, see LICENSE for more details.