How to download 1080p video with audio inside a golang program?

[ruizlenato]

Is there any way I can do this within my golang program? I want to download a video in 1080p + audio, I couldn't find anything in the references

[Yuelioi]

Some function maybe you can use

• First get the nest format video and audio format(or you can use your own filter)
• download (just like demo)
• combine(ffmpeg maybe a good choice)

// FilterFormats filters a list of YouTube formats based on a specific kind (e.g. "video/mp4")
func FilterFormats(formats youtube.FormatList, kind string) []youtube.Format {
	var filteredFormats []youtube.Format
	for _, format := range formats {
		if strings.Contains(format.MimeType, kind) {
			filteredFormats = append(filteredFormats, format)
		}
	}
	return filteredFormats
}

// GetBestHighFormat returns the format with the highest bitrate from a list of formats
func GetBestHighFormat(formats []youtube.Format) youtube.Format {
	var bestFormat youtube.Format
	for _, format := range formats {
		if format.Bitrate > bestFormat.Bitrate {
			bestFormat = format
		}
	}
	return bestFormat
}


func GetVideoDataById(videoID string) (*youtube.Client, *youtube.Video) {
	client := GetClient()

	if client == nil {
		panic("Cannot connect client")
	}

	video, err := client.GetVideo(videoID)
	if err != nil {
		panic(err)
	}
	return client, video
}

func DownloadVideoOrAudioByVideoData(client *youtube.Client, video *youtube.Video, folder string, index int) {
	title := utils.SanitizeFileName(video.Title)

	if index != 0 {
		title = strconv.Itoa(index) + "_" + title
	}

	formats_highest_v := GetBestHighFormat(FilterFormats(video.Formats, "video"))
	formats_highest_a := GetBestHighFormat(FilterFormats(video.Formats, "audio"))

	DownloadStream(client, video, &formats_highest_v, folder+"/"+title+".mp4")
	DownloadStream(client, video, &formats_highest_a, folder+"/"+title+".flc")
}


func DownloadStream(client *youtube.Client, video *youtube.Video, format *youtube.Format, filepath string) {
	stream, _, err := client.GetStream(video, format)
	if err != nil {
		panic(err)
	}
	defer stream.Close()

	file, err := os.Create(filepath)
	if err != nil {
		panic(err)
	}
	defer file.Close()

	_, err = io.Copy(file, stream)
	if err != nil {
		panic(err)
	}
}

[peterjumper]

it has build-in function, use it:

youtubedr download -m mp4 -q hd720 "$(pbpaste)"

if u want to use webm for higher quality, you can use
ffmpeg -i input.webm -i input.m4a -c copy -map 0:v:0 -map 1:a:0 output.mp4

this would the fastest way to convert (from my poor experience), but u have to manually pick audio and video first

[kiroInn]

@peterjumper it works for me, thanks