videos: move formats structure to a separate file/module

4 files changed, 120 insertions, 118 deletions

diff --git a/src/invidious.cr b/src/invidious.cr
index 58adaa35..8df0c0cd 100644
--- a/src/invidious.cr
+++ b/src/invidious.cr
@@ -37,6 +37,7 @@ require "./invidious/database/migrations/*"
 require "./invidious/helpers/*"
 require "./invidious/yt_backend/*"
 require "./invidious/frontend/*"
+require "./invidious/videos/*"
 
 require "./invidious/*"
 require "./invidious/channels/*"
diff --git a/src/invidious/frontend/watch_page.cr b/src/invidious/frontend/watch_page.cr
index 80b67641..9212eb2f 100644
--- a/src/invidious/frontend/watch_page.cr
+++ b/src/invidious/frontend/watch_page.cr
@@ -50,7 +50,7 @@ module Invidious::Frontend::WatchPage
       video_assets.full_videos.each do |option|
         mimetype = option["mimeType"].as_s.split(";")[0]
 
-        height = itag_to_metadata?(option["itag"]).try &.["height"]?
+        height = Invidious::Videos::Formats.itag_to_metadata?(option["itag"]).try &.["height"]?
 
         value = {"itag": option["itag"], "ext": mimetype.split("/")[1]}.to_json
 
diff --git a/src/invidious/videos.cr b/src/invidious/videos.cr
index 97b4f4b8..3a71f163 100644
--- a/src/invidious/videos.cr
+++ b/src/invidious/videos.cr
@@ -131,117 +131,6 @@ CAPTION_LANGUAGES = {
   "Zulu",
 }
 
-# See https://github.com/rg3/youtube-dl/blob/master/youtube_dl/extractor/youtube.py#L380-#L476
-VIDEO_FORMATS = {
-  "5"  => {"ext" => "flv", "width" => 400, "height" => 240, "acodec" => "mp3", "abr" => 64, "vcodec" => "h263"},
-  "6"  => {"ext" => "flv", "width" => 450, "height" => 270, "acodec" => "mp3", "abr" => 64, "vcodec" => "h263"},
-  "13" => {"ext" => "3gp", "acodec" => "aac", "vcodec" => "mp4v"},
-  "17" => {"ext" => "3gp", "width" => 176, "height" => 144, "acodec" => "aac", "abr" => 24, "vcodec" => "mp4v"},
-  "18" => {"ext" => "mp4", "width" => 640, "height" => 360, "acodec" => "aac", "abr" => 96, "vcodec" => "h264"},
-  "22" => {"ext" => "mp4", "width" => 1280, "height" => 720, "acodec" => "aac", "abr" => 192, "vcodec" => "h264"},
-  "34" => {"ext" => "flv", "width" => 640, "height" => 360, "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
-  "35" => {"ext" => "flv", "width" => 854, "height" => 480, "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
-
-  "36" => {"ext" => "3gp", "width" => 320, "acodec" => "aac", "vcodec" => "mp4v"},
-  "37" => {"ext" => "mp4", "width" => 1920, "height" => 1080, "acodec" => "aac", "abr" => 192, "vcodec" => "h264"},
-  "38" => {"ext" => "mp4", "width" => 4096, "height" => 3072, "acodec" => "aac", "abr" => 192, "vcodec" => "h264"},
-  "43" => {"ext" => "webm", "width" => 640, "height" => 360, "acodec" => "vorbis", "abr" => 128, "vcodec" => "vp8"},
-  "44" => {"ext" => "webm", "width" => 854, "height" => 480, "acodec" => "vorbis", "abr" => 128, "vcodec" => "vp8"},
-  "45" => {"ext" => "webm", "width" => 1280, "height" => 720, "acodec" => "vorbis", "abr" => 192, "vcodec" => "vp8"},
-  "46" => {"ext" => "webm", "width" => 1920, "height" => 1080, "acodec" => "vorbis", "abr" => 192, "vcodec" => "vp8"},
-  "59" => {"ext" => "mp4", "width" => 854, "height" => 480, "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
-  "78" => {"ext" => "mp4", "width" => 854, "height" => 480, "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
-
-  # 3D videos
-  "82"  => {"ext" => "mp4", "height" => 360, "format" => "3D", "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
-  "83"  => {"ext" => "mp4", "height" => 480, "format" => "3D", "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
-  "84"  => {"ext" => "mp4", "height" => 720, "format" => "3D", "acodec" => "aac", "abr" => 192, "vcodec" => "h264"},
-  "85"  => {"ext" => "mp4", "height" => 1080, "format" => "3D", "acodec" => "aac", "abr" => 192, "vcodec" => "h264"},
-  "100" => {"ext" => "webm", "height" => 360, "format" => "3D", "acodec" => "vorbis", "abr" => 128, "vcodec" => "vp8"},
-  "101" => {"ext" => "webm", "height" => 480, "format" => "3D", "acodec" => "vorbis", "abr" => 192, "vcodec" => "vp8"},
-  "102" => {"ext" => "webm", "height" => 720, "format" => "3D", "acodec" => "vorbis", "abr" => 192, "vcodec" => "vp8"},
-
-  # Apple HTTP Live Streaming
-  "91"  => {"ext" => "mp4", "height" => 144, "format" => "HLS", "acodec" => "aac", "abr" => 48, "vcodec" => "h264"},
-  "92"  => {"ext" => "mp4", "height" => 240, "format" => "HLS", "acodec" => "aac", "abr" => 48, "vcodec" => "h264"},
-  "93"  => {"ext" => "mp4", "height" => 360, "format" => "HLS", "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
-  "94"  => {"ext" => "mp4", "height" => 480, "format" => "HLS", "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
-  "95"  => {"ext" => "mp4", "height" => 720, "format" => "HLS", "acodec" => "aac", "abr" => 256, "vcodec" => "h264"},
-  "96"  => {"ext" => "mp4", "height" => 1080, "format" => "HLS", "acodec" => "aac", "abr" => 256, "vcodec" => "h264"},
-  "132" => {"ext" => "mp4", "height" => 240, "format" => "HLS", "acodec" => "aac", "abr" => 48, "vcodec" => "h264"},
-  "151" => {"ext" => "mp4", "height" => 72, "format" => "HLS", "acodec" => "aac", "abr" => 24, "vcodec" => "h264"},
-
-  # DASH mp4 video
-  "133" => {"ext" => "mp4", "height" => 240, "format" => "DASH video", "vcodec" => "h264"},
-  "134" => {"ext" => "mp4", "height" => 360, "format" => "DASH video", "vcodec" => "h264"},
-  "135" => {"ext" => "mp4", "height" => 480, "format" => "DASH video", "vcodec" => "h264"},
-  "136" => {"ext" => "mp4", "height" => 720, "format" => "DASH video", "vcodec" => "h264"},
-  "137" => {"ext" => "mp4", "height" => 1080, "format" => "DASH video", "vcodec" => "h264"},
-  "138" => {"ext" => "mp4", "format" => "DASH video", "vcodec" => "h264"}, # Height can vary (https://github.com/ytdl-org/youtube-dl/issues/4559)
-  "160" => {"ext" => "mp4", "height" => 144, "format" => "DASH video", "vcodec" => "h264"},
-  "212" => {"ext" => "mp4", "height" => 480, "format" => "DASH video", "vcodec" => "h264"},
-  "264" => {"ext" => "mp4", "height" => 1440, "format" => "DASH video", "vcodec" => "h264"},
-  "298" => {"ext" => "mp4", "height" => 720, "format" => "DASH video", "vcodec" => "h264", "fps" => 60},
-  "299" => {"ext" => "mp4", "height" => 1080, "format" => "DASH video", "vcodec" => "h264", "fps" => 60},
-  "266" => {"ext" => "mp4", "height" => 2160, "format" => "DASH video", "vcodec" => "h264"},
-
-  # Dash mp4 audio
-  "139" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "aac", "abr" => 48, "container" => "m4a_dash"},
-  "140" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "aac", "abr" => 128, "container" => "m4a_dash"},
-  "141" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "aac", "abr" => 256, "container" => "m4a_dash"},
-  "256" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "aac", "container" => "m4a_dash"},
-  "258" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "aac", "container" => "m4a_dash"},
-  "325" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "dtse", "container" => "m4a_dash"},
-  "328" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "ec-3", "container" => "m4a_dash"},
-
-  # Dash webm
-  "167" => {"ext" => "webm", "height" => 360, "width" => 640, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
-  "168" => {"ext" => "webm", "height" => 480, "width" => 854, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
-  "169" => {"ext" => "webm", "height" => 720, "width" => 1280, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
-  "170" => {"ext" => "webm", "height" => 1080, "width" => 1920, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
-  "218" => {"ext" => "webm", "height" => 480, "width" => 854, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
-  "219" => {"ext" => "webm", "height" => 480, "width" => 854, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
-  "278" => {"ext" => "webm", "height" => 144, "format" => "DASH video", "container" => "webm", "vcodec" => "vp9"},
-  "242" => {"ext" => "webm", "height" => 240, "format" => "DASH video", "vcodec" => "vp9"},
-  "243" => {"ext" => "webm", "height" => 360, "format" => "DASH video", "vcodec" => "vp9"},
-  "244" => {"ext" => "webm", "height" => 480, "format" => "DASH video", "vcodec" => "vp9"},
-  "245" => {"ext" => "webm", "height" => 480, "format" => "DASH video", "vcodec" => "vp9"},
-  "246" => {"ext" => "webm", "height" => 480, "format" => "DASH video", "vcodec" => "vp9"},
-  "247" => {"ext" => "webm", "height" => 720, "format" => "DASH video", "vcodec" => "vp9"},
-  "248" => {"ext" => "webm", "height" => 1080, "format" => "DASH video", "vcodec" => "vp9"},
-  "271" => {"ext" => "webm", "height" => 1440, "format" => "DASH video", "vcodec" => "vp9"},
-  # itag 272 videos are either 3840x2160 (e.g. RtoitU2A-3E) or 7680x4320 (sLprVF6d7Ug)
-  "272" => {"ext" => "webm", "height" => 2160, "format" => "DASH video", "vcodec" => "vp9"},
-  "302" => {"ext" => "webm", "height" => 720, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
-  "303" => {"ext" => "webm", "height" => 1080, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
-  "308" => {"ext" => "webm", "height" => 1440, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
-  "313" => {"ext" => "webm", "height" => 2160, "format" => "DASH video", "vcodec" => "vp9"},
-  "315" => {"ext" => "webm", "height" => 2160, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
-  "330" => {"ext" => "webm", "height" => 144, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
-  "331" => {"ext" => "webm", "height" => 240, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
-  "332" => {"ext" => "webm", "height" => 360, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
-  "333" => {"ext" => "webm", "height" => 480, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
-  "334" => {"ext" => "webm", "height" => 720, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
-  "335" => {"ext" => "webm", "height" => 1080, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
-  "336" => {"ext" => "webm", "height" => 1440, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
-  "337" => {"ext" => "webm", "height" => 2160, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
-
-  # Dash webm audio
-  "171" => {"ext" => "webm", "acodec" => "vorbis", "format" => "DASH audio", "abr" => 128},
-  "172" => {"ext" => "webm", "acodec" => "vorbis", "format" => "DASH audio", "abr" => 256},
-
-  # Dash webm audio with opus inside
-  "249" => {"ext" => "webm", "format" => "DASH audio", "acodec" => "opus", "abr" => 50},
-  "250" => {"ext" => "webm", "format" => "DASH audio", "acodec" => "opus", "abr" => 70},
-  "251" => {"ext" => "webm", "format" => "DASH audio", "acodec" => "opus", "abr" => 160},
-
-  # av01 video only formats sometimes served with "unknown" codecs
-  "394" => {"ext" => "mp4", "height" => 144, "vcodec" => "av01.0.05M.08"},
-  "395" => {"ext" => "mp4", "height" => 240, "vcodec" => "av01.0.05M.08"},
-  "396" => {"ext" => "mp4", "height" => 360, "vcodec" => "av01.0.05M.08"},
-  "397" => {"ext" => "mp4", "height" => 480, "vcodec" => "av01.0.05M.08"},
-}
-
 struct VideoPreferences
   include JSON::Serializable
 
@@ -390,7 +279,7 @@ struct Video
               json.field "lmt", fmt["lastModified"]
               json.field "projectionType", fmt["projectionType"]
 
-              if fmt_info = itag_to_metadata?(fmt["itag"])
+              if fmt_info = Invidious::Videos::Formats.itag_to_metadata?(fmt["itag"])
                 fps = fmt_info["fps"]?.try &.to_i || fmt["fps"]?.try &.as_i || 30
                 json.field "fps", fps
                 json.field "container", fmt_info["ext"]
@@ -437,7 +326,7 @@ struct Video
               json.field "type", fmt["mimeType"]
               json.field "quality", fmt["quality"]
 
-              fmt_info = itag_to_metadata?(fmt["itag"])
+              fmt_info = Invidious::Videos::Formats.itag_to_metadata?(fmt["itag"])
               if fmt_info
                 fps = fmt_info["fps"]?.try &.to_i || fmt["fps"]?.try &.as_i || 30
                 json.field "fps", fps
@@ -1164,10 +1053,6 @@ def fetch_video(id, region)
   return video
 end
 
-def itag_to_metadata?(itag : JSON::Any)
-  return VIDEO_FORMATS[itag.to_s]?
-end
-
 def process_continuation(query, plid, id)
   continuation = nil
   if plid
diff --git a/src/invidious/videos/formats.cr b/src/invidious/videos/formats.cr
new file mode 100644
index 00000000..e98e7257
--- /dev/null
+++ b/src/invidious/videos/formats.cr
@@ -0,0 +1,116 @@
+module Invidious::Videos::Formats
+  def self.itag_to_metadata?(itag : JSON::Any)
+    return FORMATS[itag.to_s]?
+  end
+
+  # See https://github.com/rg3/youtube-dl/blob/master/youtube_dl/extractor/youtube.py#L380-#L476
+  private FORMATS = {
+    "5"  => {"ext" => "flv", "width" => 400, "height" => 240, "acodec" => "mp3", "abr" => 64, "vcodec" => "h263"},
+    "6"  => {"ext" => "flv", "width" => 450, "height" => 270, "acodec" => "mp3", "abr" => 64, "vcodec" => "h263"},
+    "13" => {"ext" => "3gp", "acodec" => "aac", "vcodec" => "mp4v"},
+    "17" => {"ext" => "3gp", "width" => 176, "height" => 144, "acodec" => "aac", "abr" => 24, "vcodec" => "mp4v"},
+    "18" => {"ext" => "mp4", "width" => 640, "height" => 360, "acodec" => "aac", "abr" => 96, "vcodec" => "h264"},
+    "22" => {"ext" => "mp4", "width" => 1280, "height" => 720, "acodec" => "aac", "abr" => 192, "vcodec" => "h264"},
+    "34" => {"ext" => "flv", "width" => 640, "height" => 360, "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
+    "35" => {"ext" => "flv", "width" => 854, "height" => 480, "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
+
+    "36" => {"ext" => "3gp", "width" => 320, "acodec" => "aac", "vcodec" => "mp4v"},
+    "37" => {"ext" => "mp4", "width" => 1920, "height" => 1080, "acodec" => "aac", "abr" => 192, "vcodec" => "h264"},
+    "38" => {"ext" => "mp4", "width" => 4096, "height" => 3072, "acodec" => "aac", "abr" => 192, "vcodec" => "h264"},
+    "43" => {"ext" => "webm", "width" => 640, "height" => 360, "acodec" => "vorbis", "abr" => 128, "vcodec" => "vp8"},
+    "44" => {"ext" => "webm", "width" => 854, "height" => 480, "acodec" => "vorbis", "abr" => 128, "vcodec" => "vp8"},
+    "45" => {"ext" => "webm", "width" => 1280, "height" => 720, "acodec" => "vorbis", "abr" => 192, "vcodec" => "vp8"},
+    "46" => {"ext" => "webm", "width" => 1920, "height" => 1080, "acodec" => "vorbis", "abr" => 192, "vcodec" => "vp8"},
+    "59" => {"ext" => "mp4", "width" => 854, "height" => 480, "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
+    "78" => {"ext" => "mp4", "width" => 854, "height" => 480, "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
+
+    # 3D videos
+    "82"  => {"ext" => "mp4", "height" => 360, "format" => "3D", "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
+    "83"  => {"ext" => "mp4", "height" => 480, "format" => "3D", "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
+    "84"  => {"ext" => "mp4", "height" => 720, "format" => "3D", "acodec" => "aac", "abr" => 192, "vcodec" => "h264"},
+    "85"  => {"ext" => "mp4", "height" => 1080, "format" => "3D", "acodec" => "aac", "abr" => 192, "vcodec" => "h264"},
+    "100" => {"ext" => "webm", "height" => 360, "format" => "3D", "acodec" => "vorbis", "abr" => 128, "vcodec" => "vp8"},
+    "101" => {"ext" => "webm", "height" => 480, "format" => "3D", "acodec" => "vorbis", "abr" => 192, "vcodec" => "vp8"},
+    "102" => {"ext" => "webm", "height" => 720, "format" => "3D", "acodec" => "vorbis", "abr" => 192, "vcodec" => "vp8"},
+
+    # Apple HTTP Live Streaming
+    "91"  => {"ext" => "mp4", "height" => 144, "format" => "HLS", "acodec" => "aac", "abr" => 48, "vcodec" => "h264"},
+    "92"  => {"ext" => "mp4", "height" => 240, "format" => "HLS", "acodec" => "aac", "abr" => 48, "vcodec" => "h264"},
+    "93"  => {"ext" => "mp4", "height" => 360, "format" => "HLS", "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
+    "94"  => {"ext" => "mp4", "height" => 480, "format" => "HLS", "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
+    "95"  => {"ext" => "mp4", "height" => 720, "format" => "HLS", "acodec" => "aac", "abr" => 256, "vcodec" => "h264"},
+    "96"  => {"ext" => "mp4", "height" => 1080, "format" => "HLS", "acodec" => "aac", "abr" => 256, "vcodec" => "h264"},
+    "132" => {"ext" => "mp4", "height" => 240, "format" => "HLS", "acodec" => "aac", "abr" => 48, "vcodec" => "h264"},
+    "151" => {"ext" => "mp4", "height" => 72, "format" => "HLS", "acodec" => "aac", "abr" => 24, "vcodec" => "h264"},
+
+    # DASH mp4 video
+    "133" => {"ext" => "mp4", "height" => 240, "format" => "DASH video", "vcodec" => "h264"},
+    "134" => {"ext" => "mp4", "height" => 360, "format" => "DASH video", "vcodec" => "h264"},
+    "135" => {"ext" => "mp4", "height" => 480, "format" => "DASH video", "vcodec" => "h264"},
+    "136" => {"ext" => "mp4", "height" => 720, "format" => "DASH video", "vcodec" => "h264"},
+    "137" => {"ext" => "mp4", "height" => 1080, "format" => "DASH video", "vcodec" => "h264"},
+    "138" => {"ext" => "mp4", "format" => "DASH video", "vcodec" => "h264"}, # Height can vary (https://github.com/ytdl-org/youtube-dl/issues/4559)
+    "160" => {"ext" => "mp4", "height" => 144, "format" => "DASH video", "vcodec" => "h264"},
+    "212" => {"ext" => "mp4", "height" => 480, "format" => "DASH video", "vcodec" => "h264"},
+    "264" => {"ext" => "mp4", "height" => 1440, "format" => "DASH video", "vcodec" => "h264"},
+    "298" => {"ext" => "mp4", "height" => 720, "format" => "DASH video", "vcodec" => "h264", "fps" => 60},
+    "299" => {"ext" => "mp4", "height" => 1080, "format" => "DASH video", "vcodec" => "h264", "fps" => 60},
+    "266" => {"ext" => "mp4", "height" => 2160, "format" => "DASH video", "vcodec" => "h264"},
+
+    # Dash mp4 audio
+    "139" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "aac", "abr" => 48, "container" => "m4a_dash"},
+    "140" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "aac", "abr" => 128, "container" => "m4a_dash"},
+    "141" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "aac", "abr" => 256, "container" => "m4a_dash"},
+    "256" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "aac", "container" => "m4a_dash"},
+    "258" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "aac", "container" => "m4a_dash"},
+    "325" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "dtse", "container" => "m4a_dash"},
+    "328" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "ec-3", "container" => "m4a_dash"},
+
+    # Dash webm
+    "167" => {"ext" => "webm", "height" => 360, "width" => 640, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
+    "168" => {"ext" => "webm", "height" => 480, "width" => 854, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
+    "169" => {"ext" => "webm", "height" => 720, "width" => 1280, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
+    "170" => {"ext" => "webm", "height" => 1080, "width" => 1920, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
+    "218" => {"ext" => "webm", "height" => 480, "width" => 854, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
+    "219" => {"ext" => "webm", "height" => 480, "width" => 854, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
+    "278" => {"ext" => "webm", "height" => 144, "format" => "DASH video", "container" => "webm", "vcodec" => "vp9"},
+    "242" => {"ext" => "webm", "height" => 240, "format" => "DASH video", "vcodec" => "vp9"},
+    "243" => {"ext" => "webm", "height" => 360, "format" => "DASH video", "vcodec" => "vp9"},
+    "244" => {"ext" => "webm", "height" => 480, "format" => "DASH video", "vcodec" => "vp9"},
+    "245" => {"ext" => "webm", "height" => 480, "format" => "DASH video", "vcodec" => "vp9"},
+    "246" => {"ext" => "webm", "height" => 480, "format" => "DASH video", "vcodec" => "vp9"},
+    "247" => {"ext" => "webm", "height" => 720, "format" => "DASH video", "vcodec" => "vp9"},
+    "248" => {"ext" => "webm", "height" => 1080, "format" => "DASH video", "vcodec" => "vp9"},
+    "271" => {"ext" => "webm", "height" => 1440, "format" => "DASH video", "vcodec" => "vp9"},
+    # itag 272 videos are either 3840x2160 (e.g. RtoitU2A-3E) or 7680x4320 (sLprVF6d7Ug)
+    "272" => {"ext" => "webm", "height" => 2160, "format" => "DASH video", "vcodec" => "vp9"},
+    "302" => {"ext" => "webm", "height" => 720, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
+    "303" => {"ext" => "webm", "height" => 1080, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
+    "308" => {"ext" => "webm", "height" => 1440, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
+    "313" => {"ext" => "webm", "height" => 2160, "format" => "DASH video", "vcodec" => "vp9"},
+    "315" => {"ext" => "webm", "height" => 2160, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
+    "330" => {"ext" => "webm", "height" => 144, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
+    "331" => {"ext" => "webm", "height" => 240, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
+    "332" => {"ext" => "webm", "height" => 360, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
+    "333" => {"ext" => "webm", "height" => 480, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
+    "334" => {"ext" => "webm", "height" => 720, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
+    "335" => {"ext" => "webm", "height" => 1080, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
+    "336" => {"ext" => "webm", "height" => 1440, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
+    "337" => {"ext" => "webm", "height" => 2160, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
+
+    # Dash webm audio
+    "171" => {"ext" => "webm", "acodec" => "vorbis", "format" => "DASH audio", "abr" => 128},
+    "172" => {"ext" => "webm", "acodec" => "vorbis", "format" => "DASH audio", "abr" => 256},
+
+    # Dash webm audio with opus inside
+    "249" => {"ext" => "webm", "format" => "DASH audio", "acodec" => "opus", "abr" => 50},
+    "250" => {"ext" => "webm", "format" => "DASH audio", "acodec" => "opus", "abr" => 70},
+    "251" => {"ext" => "webm", "format" => "DASH audio", "acodec" => "opus", "abr" => 160},
+
+    # av01 video only formats sometimes served with "unknown" codecs
+    "394" => {"ext" => "mp4", "height" => 144, "vcodec" => "av01.0.05M.08"},
+    "395" => {"ext" => "mp4", "height" => 240, "vcodec" => "av01.0.05M.08"},
+    "396" => {"ext" => "mp4", "height" => 360, "vcodec" => "av01.0.05M.08"},
+    "397" => {"ext" => "mp4", "height" => 480, "vcodec" => "av01.0.05M.08"},
+  }
+end