Youtube-Dl
在 youtube-dl 上僅下載格式 mp4
如何使用 download-dl 通過 url 播放列表僅格式 mp4 而不是格式
.mkv或格式下載影片.webm？我使用此命令下載影片：
youtube-dl -itcv --yes-playlist https://www.youtube.com/playlist?list=....此命令的結果是帶有副檔名的影片
.mp4，.mkv或者.webm
要列出可用的格式類型：
youtube-dl -F url然後您可以通過輸入格式程式碼的數字來選擇下載某種格式類型（在下面的範例中
11）：youtube-dl -f 11 urlyoutube-dl -F http://www.youtube.com/watch?v=3JZ_D3ELwOQ樣本輸出：
[youtube] Setting language [youtube] 3JZ_D3ELwOQ: Downloading webpage [youtube] 3JZ_D3ELwOQ: Downloading video info webpage [youtube] 3JZ_D3ELwOQ: Extracting video information [info] Available formats for 3JZ_D3ELwOQ: format code extension resolution note 171 webm audio only DASH webm audio , audio@ 48k (worst) 140 m4a audio only DASH audio , audio@128k 160 mp4 192p DASH video 133 mp4 240p DASH video 134 mp4 360p DASH video 135 mp4 480p DASH video 136 mp4 720p DASH video 137 mp4 1080p DASH video 17 3gp 176x144 36 3gp 320x240 5 flv 400x240 43 webm 640x360 18 mp4 640x360 22 mp4 1280x720 (best)您可以選擇
best並輸入youtube-dl -f 22 http://www.youtube.com/watch?v=3JZ_D3ELwOQ要獲得最佳影片質量（1080p DASH - 格式“137”）和最佳音頻質量（DASH 音頻 - 格式“140”），您必須使用以下命令：
youtube-dl -f 137+140 http://www.youtube.com/watch?v=3JZ_D3ELwOQ編輯
您可以在這裡獲得更多選擇
影片選擇：
--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 (experimental). Specify any key (see help for -o 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, 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)
像這樣（來源）：
youtube-dl -f 'bestvideo[ext=mp4]+bestaudio[ext=m4a]/mp4' *url*