在mac下載youtube影片筆記
原本用brew安裝youtube-dl，但發現後來無法使用了，版本太舊
要改用這個方式 （需裝python）
pip install yt-dlp
安裝好後執行：
yt-dlp -F "https://www.youtube.com/watch?v=_l7-mK6sxeQ"
會後到下面的資訊
[youtube] Extracting URL: https://www.youtube.com/watch?v=_l7-mK6sxeQ
[youtube] _l7-mK6sxeQ: Downloading webpage
[youtube] _l7-mK6sxeQ: Downloading ios player API JSON
[youtube] _l7-mK6sxeQ: Downloading web creator player API JSON
[youtube] _l7-mK6sxeQ: Downloading m3u8 information
[info] Available formats for _l7-mK6sxeQ:
ID EXT RESOLUTION FPS CH │ FILESIZE TBR PROTO │ VCODEC VBR ACODEC ABR ASR MORE INFO
──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
sb3 mhtml 48x27 1 │ mhtml │ images storyboard
sb2 mhtml 80x45 1 │ mhtml │ images storyboard
sb1 mhtml 160x90 1 │ mhtml │ images storyboard
sb0 mhtml 320x180 1 │ mhtml │ images storyboard
233 mp4 audio only │ m3u8 │ audio only unknown [ja] Default
234 mp4 audio only │ m3u8 │ audio only unknown [ja] Default
139-drc m4a audio only 2 │ 617.57KiB 49k https │ audio only mp4a.40.5 49k 22k [ja] low, DRC, m4a_dash
249-drc webm audio only 2 │ 635.79KiB 50k https │ audio only opus 50k 48k [ja] low, DRC, webm_dash
250-drc webm audio only 2 │ 821.56KiB 65k https │ audio only opus 65k 48k [ja] low, DRC, webm_dash
139 m4a audio only 2 │ 617.57KiB 49k https │ audio only mp4a.40.5 49k 22k [ja] low, m4a_dash
249 webm audio only 2 │ 634.92KiB 50k https │ audio only opus 50k 48k [ja] low, webm_dash
250 webm audio only 2 │ 819.69KiB 65k https │ audio only opus 65k 48k [ja] low, webm_dash
140-drc m4a audio only 2 │ 1.60MiB 130k https │ audio only mp4a.40.2 130k 44k [ja] medium, DRC, m4a_dash
251-drc webm audio only 2 │ 1.52MiB 123k https │ audio only opus 123k 48k [ja] medium, DRC, webm_dash
140 m4a audio only 2 │ 1.60MiB 130k https │ audio only mp4a.40.2 130k 44k [ja] medium, m4a_dash
251 webm audio only 2 │ 1.52MiB 123k https │ audio only opus 123k 48k [ja] medium, webm_dash
602 mp4 256x144 12 │ ~ 1.14MiB 92k m3u8 │ vp09.00.10.08 92k video only
269 mp4 256x144 24 │ ~ 2.54MiB 207k m3u8 │ avc1.4D400C 207k video only
160 mp4 256x144 24 │ 930.18KiB 74k https │ avc1.4D400C 74k video only 144p, mp4_dash
603 mp4 256x144 24 │ ~ 1.89MiB 154k m3u8 │ vp09.00.11.08 154k video only
278 webm 256x144 24 │ 792.91KiB 63k https │ vp09.00.11.08 63k video only 144p, webm_dash
229 mp4 426x240 24 │ ~ 4.32MiB 352k m3u8 │ avc1.4D4015 352k video only
133 mp4 426x240 24 │ 1.81MiB 147k https │ avc1.4D4015 147k video only 240p, mp4_dash
604 mp4 426x240 24 │ ~ 2.66MiB 217k m3u8 │ vp09.00.20.08 217k video only
242 webm 426x240 24 │ 1.22MiB 99k https │ vp09.00.20.08 99k video only 240p, webm_dash
230 mp4 640x360 24 │ ~ 7.78MiB 633k m3u8 │ avc1.4D401E 633k video only
134 mp4 640x360 24 │ 3.12MiB 253k https │ avc1.4D401E 253k video only 360p, mp4_dash
18 mp4 640x360 24 2 │ 4.70MiB 381k https │ avc1.42001E mp4a.40.2 44k [ja] 360p
605 mp4 640x360 24 │ ~ 4.92MiB 400k m3u8 │ vp09.00.21.08 400k video only
243 webm 640x360 24 │ 2.00MiB 162k https │ vp09.00.21.08 162k video only 360p, webm_dash
231 mp4 854x480 24 │ ~ 11.88MiB 968k m3u8 │ avc1.4D401E 968k video only
135 mp4 854x480 24 │ 5.64MiB 457k https │ avc1.4D401E 457k video only 480p, mp4_dash
606 mp4 854x480 24 │ ~ 6.78MiB 552k m3u8 │ vp09.00.30.08 552k video only
244 webm 854x480 24 │ 3.13MiB 254k https │ vp09.00.30.08 254k video only 480p, webm_dash
232 mp4 1280x720 24 │ ~ 17.27MiB 1407k m3u8 │ avc1.64001F 1407k video only
136 mp4 1280x720 24 │ 8.93MiB 725k https │ avc1.64001F 725k video only 720p, mp4_dash
609 mp4 1280x720 24 │ ~ 10.59MiB 863k m3u8 │ vp09.00.31.08 863k video only
247 webm 1280x720 24 │ 5.42MiB 440k https │ vp09.00.31.08 440k video only 720p, webm_dash
270 mp4 1920x1080 24 │ ~ 27.58MiB 2246k m3u8 │ avc1.640028 2246k video only
137 mp4 1920x1080 24 │ 14.38MiB 1167k https │ avc1.640028 1167k video only 1080p, mp4_dash
614 mp4 1920x1080 24 │ ~ 15.43MiB 1257k m3u8 │ vp09.00.40.08 1257k video only
248 webm 1920x1080 24 │ 8.27MiB 671k https │ vp09.00.40.08 671k video only 1080p, webm_dash
yt-dlp -f 614 "https://www.youtube.com/watch?v=_l7-mK6sxeQ"
想下載什麼內容就填上綠色的值
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