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유튜브 영상을 다운로드할 수 있는 방법은 많은데, 다운로드를 도와주는 홈페이지를 이용하면 간편하지만 받을 수 있는 화질이 한정적입니다. 4K Video Downloader 라는 프로그램을 이용할 수도 있는데, 고화질로 다운로드할 수 있지만 고급 기능은 빠져 있는 것 같은 느낌이 들 때가 있습니다.

 

이럴 때 사용할 수 있는 프로그램이 youtube-dl 이라는 툴인데, 명령어를 직접 입력해서 받는 방식이기 때문에 복잡하고 번거롭긴 하지만... 유튜브 영상 품질을 본인이 세세하게 지정할 수 있기 때문에 배울 점이 많을 것입니다. 근본적인 부분에 대한 고민을 하게 되겠지요.

 

 

저도 이번에 youtube-dl 프로그램을 처음 써보게 되었는데,
어떤 옵션들이 있는지 몰라서 도움말을 읽어보려 했는데... 양이 많더군요.
그래서 블로그에 올려 놓고 틈틈이 읽으면서 주석을 달아볼 계획입니다.

 

[aaa@aaa-manjaro ~]\$ youtube-dl --help
Usage: youtube-dl [OPTIONS] URL [URL...]

Options:
  General Options:
    -h, --help                           Print this help text and exit
                                           (도움말 텍스트를 출력한 다음 종료합니다.)
    --version                            Print program version and exit
                                           (버전을 출력한 다음 종료합니다.)
    -U, --update                       Update this program to latest version. Make sure
                                            that you have sufficient permissions (run with sudo
                                            if needed)
                                           (최신 버전으로 업데이트 합니다. 충분한 권한이 부여됐는지 확인하세요(필요하다면 sudo 와 함께 실행하세요.))
    -i, --ignore-errors                 Continue on download errors, for example to skip
                                            unavailable videos in a playlist
                                           (다운로드 에러가 발생하더라도 계속함. 예를 들어, 재생목록에 (다운로드) 불가능한 비디오를 건너뛰기 위함.)
    --abort-on-error                   Abort downloading of further videos (in the
                                            playlist or the command line) if an error occurs
    --dump-user-agent               Display the current browser identification
    --list-extractors                    List all supported extractors
    --extractor-descriptions             Output descriptions of all supported extractors
    --force-generic-extractor            Force extraction to use the generic extractor
    --default-search PREFIX              Use this prefix for unqualified URLs. For example
                                                "gvsearch2:" downloads two videos from google
                                                videos for youtube-dl "large apple". Use the value
                                                "auto" to let youtube-dl guess ("auto_warning" to
                                                emit a warning when guessing). "error" just throws
                                                an error. The default value "fixup_error" repairs
                                                broken URLs, but emits an error if this is not
                                                possible instead of searching.
    --ignore-config                      Do not read configuration files. When given in the
                                              global configuration file /etc/youtube-dl.conf: Do
                                              not read the user configuration in
                                              ~/.config/youtube-dl/config (%APPDATA%/youtube-
                                              dl/config.txt on Windows)
    --config-location PATH             Location of the configuration file; either the path
                                              to the config or its containing directory.
    --flat-playlist                          Do not extract the videos of a playlist, only list
                                              them.
    --mark-watched                      Mark videos watched (YouTube only)
    --no-mark-watched                 Do not mark videos watched (YouTube only)
    --no-color                             Do not emit color codes in output

  Network Options:
    --proxy URL                          Use the specified HTTP/HTTPS/SOCKS proxy. To enable
                                              SOCKS proxy, specify a proper scheme. For example
                                              socks5://127.0.0.1:1080/. Pass in an empty string
                                              (--proxy "") for direct connection
    --socket-timeout SECONDS             Time to wait before giving up, in seconds
    --source-address IP                  Client-side IP address to bind to
    -4, --force-ipv4                     Make all connections via IPv4
    -6, --force-ipv6                     Make all connections via IPv6

  Geo Restriction:
    --geo-verification-proxy URL         Use this proxy to verify the IP address for some
                                                  geo-restricted sites. The default proxy specified
                                                  by --proxy (or none, if the option is not present)
                                                  is used for the actual downloading.
    --geo-bypass                         Bypass geographic restriction via faking
                                              X-Forwarded-For HTTP header
    --no-geo-bypass                    Do not bypass geographic restriction via faking
                                              X-Forwarded-For HTTP header
    --geo-bypass-country CODE            Force bypass geographic restriction with explicitly
                                                     provided two-letter ISO 3166-2 country code
    --geo-bypass-ip-block IP_BLOCK       Force bypass geographic restriction with explicitly
                                                     provided IP block in CIDR notation

  Video Selection:
    --playlist-start NUMBER              Playlist video to start at (default is 1)
    --playlist-end NUMBER                Playlist video to end at (default is last)
    --playlist-items ITEM_SPEC           Playlist video items to download. Specify indices
                                                 of the videos in the playlist separated by commas
                                                 like: "--playlist-items 1,2,5,8" if you want to
                                                 download videos indexed 1, 2, 5, 8 in the playlist.
                                                 You can specify range: "--playlist-items
                                                 1-3,7,10-13", it will download the videos at index
                                                 1, 2, 3, 7, 10, 11, 12 and 13.
    --match-title REGEX                  Download only matching titles (regex or caseless
                                                sub-string)
    --reject-title REGEX                 Skip download for matching titles (regex or
                                              caseless sub-string)
    --max-downloads NUMBER               Abort after downloading NUMBER files
    --min-filesize SIZE                  Do not download any videos smaller than SIZE (e.g.
                                             50k or 44.6m)
    --max-filesize SIZE                  Do not download any videos larger than SIZE (e.g.
                                             50k or 44.6m)
    --date DATE                          Download only videos uploaded in this date
    --datebefore DATE                  Download only videos uploaded on or before this
                                              date (i.e. inclusive)
    --dateafter DATE                    Download only videos uploaded on or after this date
                                              (i.e. inclusive)
    --min-views COUNT                Do not download any videos with less than COUNT
                                              views
    --max-views COUNT               Do not download any videos with more than COUNT
                                              views
    --match-filter FILTER                Generic video filter. Specify any key (see the
                                              "OUTPUT TEMPLATE" for a list of available keys) to
                                              match if the key is present, !key to check if the
                                              key is not present, key > NUMBER (like
                                              "comment_count > 12", also works with >=, <, <=,
                                              !=, =) to compare against a number, key = 'LITERAL'
                                              (like "uploader = 'Mike Smith'", also works with
                                              !=) to match against a string literal and & to
                                              require multiple matches. Values which are not
                                              known are excluded unless you put a question mark
                                              (?) after the operator. For example, to only match
                                              videos that have been liked more than 100 times and
                                              disliked less than 50 times (or the dislike
                                              functionality is not available at the given
                                              service), but who also have a description, use
                                              --match-filter "like_count > 100 & dislike_count <?
                                              50 & description" .
    --no-playlist                        Download only the video, if the URL refers to a
                                            video and a playlist.
    --yes-playlist                       Download the playlist, if the URL refers to a video
                                            and a playlist.
    --age-limit YEARS                    Download only videos suitable for the given age
    --download-archive FILE            Download only videos not listed in the archive
                                               file. Record the IDs of all downloaded videos in it.
    --include-ads                        Download advertisements as well (experimental)

  Download Options:
    -r, --limit-rate RATE                Maximum download rate in bytes per second (e.g. 50K
                                         or 4.2M)
    -R, --retries RETRIES                Number of retries (default is 10), or "infinite".
    --fragment-retries RETRIES           Number of retries for a fragment (default is 10),
                                         or "infinite" (DASH, hlsnative and ISM)
    --skip-unavailable-fragments         Skip unavailable fragments (DASH, hlsnative and
                                         ISM)
    --abort-on-unavailable-fragment      Abort downloading when some fragment is not
                                         available
    --keep-fragments                     Keep downloaded fragments on disk after downloading
                                         is finished; fragments are erased by default
    --buffer-size SIZE                   Size of download buffer (e.g. 1024 or 16K) (default
                                         is 1024)
    --no-resize-buffer                   Do not automatically adjust the buffer size. By
                                         default, the buffer size is automatically resized
                                         from an initial value of SIZE.
    --http-chunk-size SIZE               Size of a chunk for chunk-based HTTP downloading
                                         (e.g. 10485760 or 10M) (default is disabled). May
                                         be useful for bypassing bandwidth throttling
                                         imposed by a webserver (experimental)
    --playlist-reverse                   Download playlist videos in reverse order
    --playlist-random                    Download playlist videos in random order
    --xattr-set-filesize                 Set file xattribute ytdl.filesize with expected
                                         file size
    --hls-prefer-native                  Use the native HLS downloader instead of ffmpeg
    --hls-prefer-ffmpeg                  Use ffmpeg instead of the native HLS downloader
    --hls-use-mpegts                     Use the mpegts container for HLS videos, allowing
                                         to play the video while downloading (some players
                                         may not be able to play it)
    --external-downloader COMMAND        Use the specified external downloader. Currently
                                         supports aria2c,avconv,axel,curl,ffmpeg,httpie,wget
    --external-downloader-args ARGS      Give these arguments to the external downloader

  Filesystem Options:
    -a, --batch-file FILE                File containing URLs to download ('-' for stdin),
                                         one URL per line. Lines starting with '#', ';' or
                                         ']' are considered as comments and ignored.
    --id                                 Use only video ID in file name
    -o, --output TEMPLATE                Output filename template, see the "OUTPUT TEMPLATE"
                                         for all the info
    --output-na-placeholder PLACEHOLDER  Placeholder value for unavailable meta fields in
                                         output filename template (default is "NA")
    --autonumber-start NUMBER            Specify the start value for %(autonumber)s (default
                                         is 1)
    --restrict-filenames                 Restrict filenames to only ASCII characters, and
                                         avoid "&" and spaces in filenames
    -w, --no-overwrites                  Do not overwrite files
    -c, --continue                       Force resume of partially downloaded files. By
                                         default, youtube-dl will resume downloads if
                                         possible.
    --no-continue                        Do not resume partially downloaded files (restart
                                         from beginning)
    --no-part                            Do not use .part files - write directly into output
                                         file
    --no-mtime                           Do not use the Last-modified header to set the file
                                         modification time
    --write-description                  Write video description to a .description file
    --write-info-json                    Write video metadata to a .info.json file
    --write-annotations                  Write video annotations to a .annotations.xml file
    --load-info-json FILE                JSON file containing the video information (created
                                         with the "--write-info-json" option)
    --cookies FILE                       File to read cookies from and dump cookie jar in
    --cache-dir DIR                      Location in the filesystem where youtube-dl can
                                         store some downloaded information permanently. By
                                         default $XDG_CACHE_HOME/youtube-dl or
                                         ~/.cache/youtube-dl . At the moment, only YouTube
                                         player files (for videos with obfuscated
                                         signatures) are cached, but that may change.
    --no-cache-dir                       Disable filesystem caching
    --rm-cache-dir                       Delete all filesystem cache files

  Thumbnail Options:
    --write-thumbnail                    Write thumbnail image to disk
    --write-all-thumbnails               Write all thumbnail image formats to disk
    --list-thumbnails                    Simulate and list all available thumbnail formats

  Verbosity / Simulation Options:
    -q, --quiet                          Activate quiet mode
    --no-warnings                        Ignore warnings
    -s, --simulate                       Do not download the video and do not write anything
                                         to disk
    --skip-download                      Do not download the video
    -g, --get-url                        Simulate, quiet but print URL
    -e, --get-title                      Simulate, quiet but print title
    --get-id                             Simulate, quiet but print id
    --get-thumbnail                      Simulate, quiet but print thumbnail URL
    --get-description                    Simulate, quiet but print video description
    --get-duration                       Simulate, quiet but print video length
    --get-filename                       Simulate, quiet but print output filename
    --get-format                         Simulate, quiet but print output format
    -j, --dump-json                      Simulate, quiet but print JSON information. See the
                                         "OUTPUT TEMPLATE" for a description of available
                                         keys.
    -J, --dump-single-json               Simulate, quiet but print JSON information for each
                                         command-line argument. If the URL refers to a
                                         playlist, dump the whole playlist information in a
                                         single line.
    --print-json                         Be quiet and print the video information as JSON
                                         (video is still being downloaded).
    --newline                            Output progress bar as new lines
    --no-progress                        Do not print progress bar
    --console-title                      Display progress in console titlebar
    -v, --verbose                        Print various debugging information
    --dump-pages                         Print downloaded pages encoded using base64 to
                                         debug problems (very verbose)
    --write-pages                        Write downloaded intermediary pages to files in the
                                         current directory to debug problems
    --print-traffic                      Display sent and read HTTP traffic
    -C, --call-home                      Contact the youtube-dl server for debugging
    --no-call-home                       Do NOT contact the youtube-dl server for debugging

  Workarounds:
    --encoding ENCODING                  Force the specified encoding (experimental)
    --no-check-certificate               Suppress HTTPS certificate validation
    --prefer-insecure                    Use an unencrypted connection to retrieve
                                         information about the video. (Currently supported
                                         only for YouTube)
    --user-agent UA                      Specify a custom user agent
    --referer URL                        Specify a custom referer, use if the video access
                                         is restricted to one domain
    --add-header FIELD:VALUE             Specify a custom HTTP header and its value,
                                         separated by a colon ':'. You can use this option
                                         multiple times
    --bidi-workaround                    Work around terminals that lack bidirectional text
                                         support. Requires bidiv or fribidi executable in
                                         PATH
    --sleep-interval SECONDS             Number of seconds to sleep before each download
                                         when used alone or a lower bound of a range for
                                         randomized sleep before each download (minimum
                                         possible number of seconds to sleep) when used
                                         along with --max-sleep-interval.
    --max-sleep-interval SECONDS         Upper bound of a range for randomized sleep before
                                         each download (maximum possible number of seconds
                                         to sleep). Must only be used along with --min-
                                         sleep-interval.

  Video Format Options:
    -f, --format FORMAT                  Video format code, see the "FORMAT SELECTION" for
                                         all the info
    --all-formats                        Download all available video formats
    --prefer-free-formats                Prefer free video formats unless a specific one is
                                         requested
    -F, --list-formats                   List all available formats of requested videos
    --youtube-skip-dash-manifest         Do not download the DASH manifests and related data
                                         on YouTube videos
    --merge-output-format FORMAT         If a merge is required (e.g. bestvideo+bestaudio),
                                         output to given container format. One of mkv, mp4,
                                         ogg, webm, flv. Ignored if no merge is required

  Subtitle Options:
    --write-sub                          Write subtitle file
    --write-auto-sub                     Write automatically generated subtitle file
                                         (YouTube only)
    --all-subs                           Download all the available subtitles of the video
    --list-subs                          List all available subtitles for the video
    --sub-format FORMAT                  Subtitle format, accepts formats preference, for
                                         example: "srt" or "ass/srt/best"
    --sub-lang LANGS                     Languages of the subtitles to download (optional)
                                         separated by commas, use --list-subs for available
                                         language tags

  Authentication Options:
    -u, --username USERNAME              Login with this account ID
    -p, --password PASSWORD              Account password. If this option is left out,
                                         youtube-dl will ask interactively.
    -2, --twofactor TWOFACTOR            Two-factor authentication code
    -n, --netrc                          Use .netrc authentication data
    --video-password PASSWORD            Video password (vimeo, youku)

  Adobe Pass Options:
    --ap-mso MSO                         Adobe Pass multiple-system operator (TV provider)
                                         identifier, use --ap-list-mso for a list of
                                         available MSOs
    --ap-username USERNAME               Multiple-system operator account login
    --ap-password PASSWORD               Multiple-system operator account password. If this
                                         option is left out, youtube-dl will ask
                                         interactively.
    --ap-list-mso                        List all supported multiple-system operators

  Post-processing Options:
    -x, --extract-audio                  Convert video files to audio-only files (requires
                                         ffmpeg/avconv and ffprobe/avprobe)
    --audio-format FORMAT                Specify audio format: "best", "aac", "flac", "mp3",
                                         "m4a", "opus", "vorbis", or "wav"; "best" by
                                         default; No effect without -x
    --audio-quality QUALITY              Specify ffmpeg/avconv audio quality, insert a value
                                         between 0 (better) and 9 (worse) for VBR or a
                                         specific bitrate like 128K (default 5)
    --recode-video FORMAT                Encode the video to another format if necessary
                                         (currently supported: mp4|flv|ogg|webm|mkv|avi)
    --postprocessor-args ARGS            Give these arguments to the postprocessor
    -k, --keep-video                     Keep the video file on disk after the post-
                                         processing; the video is erased by default
    --no-post-overwrites                 Do not overwrite post-processed files; the post-
                                         processed files are overwritten by default
    --embed-subs                         Embed subtitles in the video (only for mp4, webm
                                         and mkv videos)
    --embed-thumbnail                    Embed thumbnail in the audio as cover art
    --add-metadata                       Write metadata to the video file
    --metadata-from-title FORMAT         Parse additional metadata like song title / artist
                                         from the video title. The format syntax is the same
                                         as --output. Regular expression with named capture
                                         groups may also be used. The parsed parameters
                                         replace existing values. Example: --metadata-from-
                                         title "%(artist)s - %(title)s" matches a title like
                                         "Coldplay - Paradise". Example (regex): --metadata-
                                         from-title "(?P<artist>.+?) - (?P<title>.+)"
    --xattrs                             Write metadata to the video file's xattrs (using
                                         dublin core and xdg standards)
    --fixup POLICY                       Automatically correct known faults of the file. One
                                         of never (do nothing), warn (only emit a warning),
                                         detect_or_warn (the default; fix file if we can,
                                         warn otherwise)
    --prefer-avconv                      Prefer avconv over ffmpeg for running the
                                         postprocessors
    --prefer-ffmpeg                      Prefer ffmpeg over avconv for running the
                                         postprocessors (default)
    --ffmpeg-location PATH               Location of the ffmpeg/avconv binary; either the
                                         path to the binary or its containing directory.
    --exec CMD                           Execute a command on the file after downloading and
                                         post-processing, similar to find's -exec syntax.
                                         Example: --exec 'adb push {} /sdcard/Music/ && rm
                                         {}'
    --convert-subs FORMAT                Convert the subtitles to other format (currently
                                         supported: srt|ass|vtt|lrc)

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p.s. 광고에도 여러분이 관심을 가질만한 정보가 녹아있을 수 있습니다.

( ※ 내가 애드블록 해제를 권유하는 이유 )


댓글 2
  • 유튜브 다운로드하는 방법은 시간이 지나면서 막히는 경우가 많았던 것으로 기억합니다. 저는 유튜브 프리미엄을 이용하고 있어서 유튜브 영상을 다운로드할 수 있지만, 요즘은 어디에서나 인터넷을 이용할 수 있어서 영상 다운로드는 거의 안 하게 되네요.

    • 흔남. (2022.03.30 18:55 신고)

      여러 가지 이유때문에 종종 유튜브 다운로드 프로그램을 사용하지만, 언급하신 단점이 항상 걸림돌이 되네요.
      하지만 몇 년간 살아남은 것들은 앞으로도 지속될 가능성이 높기 때문에 관심 가질만 하다고 생각합니다.

댓글!! 작은 정보를 남겨주세요. 다른 분들께 큰 도움이 됩니다. ★