$ sudo apt install yt-dlp ffmpeg (1)
$ git clone https://github.com/obra/Youtube2Webpage
$ cd Youtube2Webpage
$ ./yt-to-webpage.pl "【MTG】NetBSDのご紹介 2023-7-29 C-5" 'https://www.youtube.com/watch?v=TnviEtERcVw' (2)
$ python3 -m http.server --bind 127.0.0.1 --directory ./"【MTG】NetBSDのご紹介 2023-7-29 C-5" 8080 (3)
$ xdg-open http://127.0.0.1:8080/index.html (4)

$ git diff ./yt-to-webpage.pl
diff --git a/yt-to-webpage.pl b/yt-to-webpage.pl
index 41b8acf..4174658 100755
--- a/yt-to-webpage.pl
+++ b/yt-to-webpage.pl
@@ -15,7 +15,7 @@ if (!$url || $url !~ m|^https://www.youtube.com|) {

 mkdir($slug);
 chdir($slug);
-my $video_file = `yt-dlp --console-title  --write-auto-subs --write-subs "$url" --print filename --no-simulate`;
+my $video_file = `yt-dlp --console-title  --write-auto-subs --write-subs --sub-langs ja "$url" --print filename --no-simulate`;
 chomp($video_file);
 my ($vtt) = glob('*.vtt');
 open(my $fh, "<", $vtt);

$ git diff ./styles.css
diff --git a/styles.css b/styles.css
index 156f994..8972e87 100644
--- a/styles.css
+++ b/styles.css
@@ -56,8 +56,8 @@ li {
 }

 li img{
-    max-width: 288px;
-    max-height: 216px;
+    max-width: 1280px;
+    max-height: 720px;
     transition: all 0.3s;
 }

$ yt-dlp https://abema.tv/video/title/26-171
[AbemaTVTitle] 26-171: Downloading webpage
[download] Downloading playlist: リコリス・リコイル
[AbemaTVTitle] Playlist リコリス・リコイル: Downloading 2 videos of 2
[download] Downloading video 1 of 2
[AbemaTV] Authorizing
[AbemaTV] 26-171_s1_p1: Downloading webpage
[AbemaTV] 26-171_s1_p1: Checking playability
[AbemaTV] 26-171_s1_p1: Downloading m3u8 information
[info] 26-171_s1_p1: Downloading 1 format(s): 5300
[hlsnative] Downloading m3u8 manifest
[hlsnative] Total fragments: 265
[download] Destination: 第1話 Easy does it [26-171_s1_p1].mp4
[download]   0.4% of ~415.26MiB at  796.79KiB/s ETA 08:45 (frag 1/265)ERROR: base None exceeds table length 58
[download] Downloading video 2 of 2
[AbemaTV] 26-171_s1_p500: Downloading webpage
[AbemaTV] 26-171_s1_p500: Checking playability
[AbemaTV] 26-171_s1_p500: Downloading m3u8 information
[info] 26-171_s1_p500: Downloading 1 format(s): 5300
[hlsnative] Downloading m3u8 manifest
[hlsnative] Total fragments: 21
[download] Destination: PV【7_2より毎週土曜23_30〜地上波同時・独占先行放送】 [26-171_s1_p500].mp4
[download]   4.8% of ~27.57MiB at  794.86KiB/s ETA 00:33 (frag 1/21)ERROR: base None exceeds table length 58
[download] Finished downloading playlist: リコリス・リコイル

$ yt-dlp --version
2022.06.29
$ yt-dlp -U
Latest version: 2022.06.29, Current version: 2022.06.29
yt-dlp is up to date (2022.06.29)

$ yt-dlp https://abema.tv/video/episode/26-171_s1_p1 360p -o "リコリス・リコイル 第1話 Easy does it.mp4"

$ wget https://github.com/yt-dlp/yt-dlp/releases/download/2022.05.18/yt-dlp https://github.com/yt-dlp/yt-dlp/releases/download/2022.05.18/SHA2-512SUMS
$ LC_ALL=C sha512sum -c SHA2-512SUMS 2>/dev/null
yt-dlp: OK
yt-dlp.tar.gz: FAILED open or read
yt-dlp.exe: FAILED open or read
yt-dlp_win.zip: FAILED open or read
yt-dlp_min.exe: FAILED open or read
yt-dlp_x86.exe: FAILED open or read
yt-dlp_macos: FAILED open or read
yt-dlp_macos.zip: FAILED open or read
$ install -m 755 ./yt-dlp ~/bin/yt-dlp-2022.05.18
$ rm ./yt-dlp ./SHA2-512SUMS
$ yt-dlp-2022.05.18 https://abema.tv/video/title/26-171

$ yt-dlp --version
2022.06.29
$ yt-dlp-2022.05.18 --version
2022.05.18
$ dpkg-query -W ffmpeg
ffmpeg  7:4.3.4-0+deb11u1+rpt2
$ lsb_release -dr
Description:    Raspbian GNU/Linux 11 (bullseye)
Release:        11
$ arch
armv7l
$ cat /proc/device-tree/model && echo
Raspberry Pi 3 Model B Rev 1.2

$ yt-dlp -f 184 https://abema.tv/video/episode/593-1_s1_p1
  :
[download] Destination: 第1話 [593-1_s1_p1].mp4
  :

$ yt-dlp -f 184 -o "阿波連さんははかれない %(title)s [%(id)s].%(ext)s" https://abema.tv/video/episode/593-1_s1_p1

$ yt-dlp -f 184 -o '%(playlist)s %(title)s [%(id)s].%(ext)s' https://abema.tv/video/title/593-1
  :
[download] Destination: 阿波連さんははかれない 第一話 近すぎじゃね？ [593-1_s1_p1].mp4

$ yt-dlp --version
2022.03.08.1
$ dpkg-query -W python3 ffmpeg
ffmpeg  7:4.3.3-0+rpt3+deb11u1
python3 3.9.2-3
$ lsb_release -dr
Description:    Raspbian GNU/Linux 11 (bullseye)
Release:        11
$ arch
armv7l
$ cat /proc/device-tree/model && echo
Raspberry Pi 3 Model B Rev 1.2

$ curl -s https://raw.githubusercontent.com/yt-dlp/yt-dlp/master/supportedsites.md | grep -E -- ^\ -\ ** | wc -l
1532

$ wget https://github.com/yt-dlp/yt-dlp/releases/latest/download/yt-dlp https://github.com/yt-dlp/yt-dlp/releases/latest/download/SHA2-512SUMS
$ sha512sum -c ./SHA2-512SUMS 2>&1 | grep OK
yt-dlp: OK
$ install -m700 ./yt-dlp ~/bin/
$ rm ./yt-dlp ./SHA2-512SUMS

$ yt-dlp  -U
Latest version: 2022.03.08.1, Current version: 2022.03.08.1
yt-dlp is up to date (2022.03.08.1)

$ yt-dlp -F https://www.youtube.com/watch?v=A3vKWR3WXWk
[youtube] A3vKWR3WXWk: Downloading webpage
[youtube] A3vKWR3WXWk: Downloading android player API JSON
[info] Available formats for A3vKWR3WXWk:
ID  EXT   RESOLUTION FPS │  FILESIZE  TBR PROTO │ VCODEC       VBR ACODEC      ABR     ASR MORE INFO
────────────────────────────────────────────────────────────────────────────────────────────────────────────
sb2 mhtml 48x27          │                mhtml │ images                                   storyboard
sb1 mhtml 80x45          │                mhtml │ images                                   storyboard
sb0 mhtml 160x90         │                mhtml │ images                                   storyboard
139 m4a   audio only     │  11.91MiB  48k https │ audio only       mp4a.40.5   48k 22050Hz low, m4a_dash
249 webm  audio only     │  12.64MiB  51k https │ audio only       opus        51k 48000Hz low, webm_dash
250 webm  audio only     │  16.25MiB  66k https │ audio only       opus        66k 48000Hz low, webm_dash
140 m4a   audio only     │  31.61MiB 129k https │ audio only       mp4a.40.2  129k 44100Hz medium, m4a_dash
251 webm  audio only     │  30.82MiB 126k https │ audio only       opus       126k 48000Hz medium, webm_dash
17  3gp   176x144     12 │  13.01MiB  53k https │ mp4v.20.3    53k mp4a.40.2    0k 22050Hz 144p
160 mp4   256x144     24 │   3.25MiB  13k https │ avc1.4d400c  13k video only              144p, mp4_dash
278 webm  256x144     24 │   4.25MiB  17k https │ vp9          17k video only              144p, webm_dash
133 mp4   426x240     24 │   5.94MiB  24k https │ avc1.4d4015  24k video only              240p, mp4_dash
242 webm  426x240     24 │   6.80MiB  27k https │ vp9          27k video only              240p, webm_dash
134 mp4   640x360     24 │   9.56MiB  39k https │ avc1.4d401e  39k video only              360p, mp4_dash
18  mp4   640x360     24 │  48.99MiB 200k https │ avc1.42001E 200k mp4a.40.2    0k 44100Hz 360p
243 webm  640x360     24 │  24.36MiB  99k https │ vp9          99k video only              360p, webm_dash
135 mp4   854x480     24 │  13.12MiB  53k https │ avc1.4d401e  53k video only              480p, mp4_dash
244 webm  854x480     24 │  19.99MiB  81k https │ vp9          81k video only              480p, webm_dash
136 mp4   1280x720    24 │  17.42MiB  71k https │ avc1.4d401f  71k video only              720p, mp4_dash
22  mp4   1280x720    24 │ ~50.09MiB 200k https │ avc1.64001F 200k mp4a.40.2    0k 44100Hz 720p
247 webm  1280x720    24 │  38.85MiB 159k https │ vp9         159k video only              720p, webm_dash
137 mp4   1920x1080   24 │  42.01MiB 172k https │ avc1.640028 172k video only              1080p, mp4_dash
248 webm  1920x1080   24 │  71.89MiB 294k https │ vp9         294k video only              1080p, webm_dash

[ThumbnailsConvertor] Converting thumbnail "/tmp/【公式】その着せ替え人形はラジオをする（第1回） [A3vKWR3WXWk].webp" to png
ERROR: Supported filetypes for thumbnail embedding are: mp3, mkv/mka, ogg/opus/flac, m4a/mp4/mov

$ yt-dlp -f 140 --embed-thumbnail A3vKWR3WXWk

$ yt-dlp -f 140 --embed-thumbnail --match-filter "title~=ラジオをする" https://www.youtube.com/watch?list=PLUH30mfo5wJwdafMdAJFcrcryUbYiixl4

$ yt-dlp --version
2022.03.08.1
$ dpkg-query -W python3 ffmpeg
ffmpeg  7:4.3.3-0+rpt3+deb11u1
python3 3.9.2-3
$ lsb_release -dr
Description:    Raspbian GNU/Linux 11 (bullseye)
Release:        11
$ arch
armv7l
$ cat /proc/device-tree/model && echo
Raspberry Pi 3 Model B Rev 1.2

$ youtube-dl ${URL}
$ yt-dlp ${URL}

$ ffprobe -i ./YOUTUBEFILE.mkv 2>&1 | grep ^Input -A99
Input #0, matroska,webm, from './YOUTUBEFILE.mkv':
  Metadata:
    HTTP://YOUTUBE.COM/STREAMING/OTF/DURATIONS/112015: Segment-Count: 6109
                    : Segment-Durations-Ms: 5067,5066,5067(r=1),5066,5067(r=1),5066,5067(r=1),5066,5067(r=1),5066,5067(r=1),5066,5067(r=1),5066,5067(r=1),5066,5067(r=1),5066,5067(r=1),5066,5067(r=1),5066,5067(r=1),5066,5067(r=1),5066,5067(r=1),5066,5067(r=1),5066,5067(r=1),506
                    :
                    :
    ENCODER         : Lavf58.20.100
  Duration: 08:35:50.04, start: 0.000000, bitrate: 551 kb/s
    Stream #0:0(eng): Video: vp9 (Profile 0), yuv420p(tv, bt709/unknown/unknown), 1280x720, SAR 1:1 DAR 16:9, 30 fps, 30 tbr, 1k tbn, 1k tbc (default)
    Metadata:
      DURATION        : 08:35:49.996000000
    Stream #0:1(eng): Audio: aac (LC), 44100 Hz, stereo, fltp (default)
    Metadata:
      HANDLER_NAME    : ISO Media file produced by Google Inc.
      DURATION        : 08:35:50.040000000

$ ffmpeg -i ./YOUTUBEFILE.mkv -vn -acodec copy ./YOUTUBEFILE.aac

$ ffmpeg -i ./YOUTUBEFILE.mkv -vn -acodec libopus -b:a 64k ./YOUTUBEFILE.opus

$ ffmpeg -i ./YOUTUBEFILE.mkv -vn -af silenceremove=stop_periods=-1:stop_duration=1:stop_threshold=-90dB -acodec libopus -b:a 32k ./YOUTUBEFILE.opus

$ youtube-dl --version
2021.12.17
$ yt-dlp --version
2022.03.08.1
$ dpkg-query -W ffmpeg
ffmpeg  7:4.1.8-0+deb10u1
$ lsb_release -dr
Description:    Debian GNU/Linux 10 (buster)
Release:        10
$ arch
x86_64