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-rw-r--r--src/invidious/config.cr3
-rw-r--r--src/invidious/frontend/watch_page.cr2
-rw-r--r--src/invidious/helpers/i18next.cr70
-rw-r--r--src/invidious/playlists.cr5
-rw-r--r--src/invidious/routes/api/v1/videos.cr114
-rw-r--r--src/invidious/videos.cr6
-rw-r--r--src/invidious/videos/caption.cr142
-rw-r--r--src/invidious/videos/transcript.cr103
-rw-r--r--src/invidious/views/playlist.ecr7
-rw-r--r--src/invidious/views/user/preferences.ecr2
-rw-r--r--src/invidious/yt_backend/youtube_api.cr24
11 files changed, 343 insertions, 135 deletions
diff --git a/src/invidious/config.cr b/src/invidious/config.cr
index cee33ce1..429d9246 100644
--- a/src/invidious/config.cr
+++ b/src/invidious/config.cr
@@ -127,6 +127,9 @@ class Config
# Pool size for HTTP requests to youtube.com and ytimg.com (each domain has a separate pool of `pool_size`)
property pool_size : Int32 = 100
+ # Use Innertube's transcripts API instead of timedtext for closed captions
+ property use_innertube_for_captions : Bool = false
+
# Saved cookies in "name1=value1; name2=value2..." format
@[YAML::Field(converter: Preferences::StringToCookies)]
property cookies : HTTP::Cookies = HTTP::Cookies.new
diff --git a/src/invidious/frontend/watch_page.cr b/src/invidious/frontend/watch_page.cr
index e3214469..5fd81168 100644
--- a/src/invidious/frontend/watch_page.cr
+++ b/src/invidious/frontend/watch_page.cr
@@ -7,7 +7,7 @@ module Invidious::Frontend::WatchPage
getter full_videos : Array(Hash(String, JSON::Any))
getter video_streams : Array(Hash(String, JSON::Any))
getter audio_streams : Array(Hash(String, JSON::Any))
- getter captions : Array(Invidious::Videos::Caption)
+ getter captions : Array(Invidious::Videos::Captions::Metadata)
def initialize(
@full_videos,
diff --git a/src/invidious/helpers/i18next.cr b/src/invidious/helpers/i18next.cr
index e84f88fb..252af6b9 100644
--- a/src/invidious/helpers/i18next.cr
+++ b/src/invidious/helpers/i18next.cr
@@ -35,19 +35,27 @@ module I18next::Plurals
Special_Slovenian = 21
Special_Hebrew = 22
Special_Odia = 23
+
+ # Mixed v3/v4 rules in Weblate
+ # `es`, `pt` and `pt-PT` doesn't seem to have been refreshed
+ # by weblate yet, but I suspect it will happen one day.
+ # See: https://github.com/translate/translate/issues/4873
+ Special_French_Portuguese
+ Special_Hungarian_Serbian
+ Special_Spanish_Italian
end
private PLURAL_SETS = {
PluralForms::Single_gt_one => [
- "ach", "ak", "am", "arn", "br", "fil", "fr", "gun", "ln", "mfe", "mg",
- "mi", "oc", "pt", "pt-BR", "tg", "tl", "ti", "tr", "uz", "wa",
+ "ach", "ak", "am", "arn", "br", "fil", "gun", "ln", "mfe", "mg",
+ "mi", "oc", "pt", "tg", "tl", "ti", "tr", "uz", "wa",
],
PluralForms::Single_not_one => [
"af", "an", "ast", "az", "bg", "bn", "ca", "da", "de", "dev", "el", "en",
"eo", "es", "et", "eu", "fi", "fo", "fur", "fy", "gl", "gu", "ha", "hi",
- "hu", "hy", "ia", "it", "kk", "kn", "ku", "lb", "mai", "ml", "mn", "mr",
+ "hu", "hy", "ia", "kk", "kn", "ku", "lb", "mai", "ml", "mn", "mr",
"nah", "nap", "nb", "ne", "nl", "nn", "no", "nso", "pa", "pap", "pms",
- "ps", "pt-PT", "rm", "sco", "se", "si", "so", "son", "sq", "sv", "sw",
+ "ps", "rm", "sco", "se", "si", "so", "son", "sq", "sv", "sw",
"ta", "te", "tk", "ur", "yo",
],
PluralForms::None => [
@@ -55,7 +63,7 @@ module I18next::Plurals
"lo", "ms", "sah", "su", "th", "tt", "ug", "vi", "wo", "zh",
],
PluralForms::Dual_Slavic => [
- "be", "bs", "cnr", "dz", "hr", "ru", "sr", "uk",
+ "be", "bs", "cnr", "dz", "ru", "uk",
],
}
@@ -81,6 +89,12 @@ module I18next::Plurals
"ro" => PluralForms::Special_Romanian,
"sk" => PluralForms::Special_Czech_Slovak,
"sl" => PluralForms::Special_Slovenian,
+ # Mixed v3/v4 rules
+ "fr" => PluralForms::Special_French_Portuguese,
+ "hr" => PluralForms::Special_Hungarian_Serbian,
+ "it" => PluralForms::Special_Spanish_Italian,
+ "pt-BR" => PluralForms::Special_French_Portuguese,
+ "sr" => PluralForms::Special_Hungarian_Serbian,
}
# These are the v1 and v2 compatible suffixes.
@@ -150,9 +164,8 @@ module I18next::Plurals
end
def get_plural_form(locale : String) : PluralForms
- # Extract the ISO 639-1 or 639-2 code from an RFC 5646 language code,
- # except for pt-BR and pt-PT which needs to be kept as-is.
- if !locale.matches?(/^pt-(BR|PT)$/)
+ # Extract the ISO 639-1 or 639-2 code from an RFC 5646 language code
+ if !locale.matches?(/^pt-BR$/)
locale = locale.split('-')[0]
end
@@ -246,6 +259,10 @@ module I18next::Plurals
when .special_slovenian? then return special_slovenian(count)
when .special_hebrew? then return special_hebrew(count)
when .special_odia? then return special_odia(count)
+ # Mixed v3/v4 forms
+ when .special_spanish_italian? then return special_cldr_Spanish_Italian(count)
+ when .special_french_portuguese? then return special_cldr_French_Portuguese(count)
+ when .special_hungarian_serbian? then return special_cldr_Hungarian_Serbian(count)
else
# default, if nothing matched above
return 0_u8
@@ -507,5 +524,42 @@ module I18next::Plurals
def self.special_odia(count : Int) : UInt8
return (count == 1) ? 0_u8 : 1_u8
end
+
+ # -------------------
+ # "v3.5" rules
+ # -------------------
+
+ # Plural form for Spanish & Italian languages
+ #
+ # This rule is mostly compliant to CLDR v42
+ #
+ def self.special_cldr_Spanish_Italian(count : Int) : UInt8
+ return 0_u8 if (count == 1) # one
+ return 1_u8 if (count != 0 && count % 1_000_000 == 0) # many
+ return 2_u8 # other
+ end
+
+ # Plural form for French and Portuguese
+ #
+ # This rule is mostly compliant to CLDR v42
+ #
+ def self.special_cldr_French_Portuguese(count : Int) : UInt8
+ return 0_u8 if (count == 0 || count == 1) # one
+ return 1_u8 if (count % 1_000_000 == 0) # many
+ return 2_u8 # other
+ end
+
+ # Plural form for Hungarian and Serbian
+ #
+ # This rule is mostly compliant to CLDR v42
+ #
+ def self.special_cldr_Hungarian_Serbian(count : Int) : UInt8
+ n_mod_10 = count % 10
+ n_mod_100 = count % 100
+
+ return 0_u8 if (n_mod_10 == 1 && n_mod_100 != 11) # one
+ return 1_u8 if (2 <= n_mod_10 <= 4 && (n_mod_100 < 12 || 14 < n_mod_100)) # few
+ return 2_u8 # other
+ end
end
end
diff --git a/src/invidious/playlists.cr b/src/invidious/playlists.cr
index 013be268..955e0855 100644
--- a/src/invidious/playlists.cr
+++ b/src/invidious/playlists.cr
@@ -89,6 +89,7 @@ struct Playlist
property views : Int64
property updated : Time
property thumbnail : String?
+ property subtitle : String?
def to_json(offset, json : JSON::Builder, video_id : String? = nil)
json.object do
@@ -100,6 +101,7 @@ struct Playlist
json.field "author", self.author
json.field "authorId", self.ucid
json.field "authorUrl", "/channel/#{self.ucid}"
+ json.field "subtitle", self.subtitle
json.field "authorThumbnails" do
json.array do
@@ -356,6 +358,8 @@ def fetch_playlist(plid : String)
updated = Time.utc
video_count = 0
+ subtitle = extract_text(initial_data.dig?("header", "playlistHeaderRenderer", "subtitle"))
+
playlist_info["stats"]?.try &.as_a.each do |stat|
text = stat["runs"]?.try &.as_a.map(&.["text"].as_s).join("") || stat["simpleText"]?.try &.as_s
next if !text
@@ -397,6 +401,7 @@ def fetch_playlist(plid : String)
views: views,
updated: updated,
thumbnail: thumbnail,
+ subtitle: subtitle,
})
end
diff --git a/src/invidious/routes/api/v1/videos.cr b/src/invidious/routes/api/v1/videos.cr
index af4fc806..25e766d2 100644
--- a/src/invidious/routes/api/v1/videos.cr
+++ b/src/invidious/routes/api/v1/videos.cr
@@ -87,70 +87,78 @@ module Invidious::Routes::API::V1::Videos
caption = caption[0]
end
- url = URI.parse("#{caption.base_url}&tlang=#{tlang}").request_target
-
- # Auto-generated captions often have cues that aren't aligned properly with the video,
- # as well as some other markup that makes it cumbersome, so we try to fix that here
- if caption.name.includes? "auto-generated"
- caption_xml = YT_POOL.client &.get(url).body
-
- if caption_xml.starts_with?("<?xml")
- webvtt = caption.timedtext_to_vtt(caption_xml, tlang)
- else
- caption_xml = XML.parse(caption_xml)
-
- webvtt = String.build do |str|
- str << <<-END_VTT
- WEBVTT
- Kind: captions
- Language: #{tlang || caption.language_code}
+ if CONFIG.use_innertube_for_captions
+ params = Invidious::Videos::Transcript.generate_param(id, caption.language_code, caption.auto_generated)
+ initial_data = YoutubeAPI.get_transcript(params)
+ webvtt = Invidious::Videos::Transcript.convert_transcripts_to_vtt(initial_data, caption.language_code)
+ else
+ # Timedtext API handling
+ url = URI.parse("#{caption.base_url}&tlang=#{tlang}").request_target
+
+ # Auto-generated captions often have cues that aren't aligned properly with the video,
+ # as well as some other markup that makes it cumbersome, so we try to fix that here
+ if caption.name.includes? "auto-generated"
+ caption_xml = YT_POOL.client &.get(url).body
+
+ if caption_xml.starts_with?("<?xml")
+ webvtt = caption.timedtext_to_vtt(caption_xml, tlang)
+ else
+ caption_xml = XML.parse(caption_xml)
+
+ webvtt = String.build do |str|
+ str << <<-END_VTT
+ WEBVTT
+ Kind: captions
+ Language: #{tlang || caption.language_code}
+
+
+ END_VTT
+
+ caption_nodes = caption_xml.xpath_nodes("//transcript/text")
+ caption_nodes.each_with_index do |node, i|
+ start_time = node["start"].to_f.seconds
+ duration = node["dur"]?.try &.to_f.seconds
+ duration ||= start_time
+
+ if caption_nodes.size > i + 1
+ end_time = caption_nodes[i + 1]["start"].to_f.seconds
+ else
+ end_time = start_time + duration
+ end
- END_VTT
+ start_time = "#{start_time.hours.to_s.rjust(2, '0')}:#{start_time.minutes.to_s.rjust(2, '0')}:#{start_time.seconds.to_s.rjust(2, '0')}.#{start_time.milliseconds.to_s.rjust(3, '0')}"
+ end_time = "#{end_time.hours.to_s.rjust(2, '0')}:#{end_time.minutes.to_s.rjust(2, '0')}:#{end_time.seconds.to_s.rjust(2, '0')}.#{end_time.milliseconds.to_s.rjust(3, '0')}"
- caption_nodes = caption_xml.xpath_nodes("//transcript/text")
- caption_nodes.each_with_index do |node, i|
- start_time = node["start"].to_f.seconds
- duration = node["dur"]?.try &.to_f.seconds
- duration ||= start_time
+ text = HTML.unescape(node.content)
+ text = text.gsub(/<font color="#[a-fA-F0-9]{6}">/, "")
+ text = text.gsub(/<\/font>/, "")
+ if md = text.match(/(?<name>.*) : (?<text>.*)/)
+ text = "<v #{md["name"]}>#{md["text"]}</v>"
+ end
- if caption_nodes.size > i + 1
- end_time = caption_nodes[i + 1]["start"].to_f.seconds
- else
- end_time = start_time + duration
- end
+ str << <<-END_CUE
+ #{start_time} --> #{end_time}
+ #{text}
- start_time = "#{start_time.hours.to_s.rjust(2, '0')}:#{start_time.minutes.to_s.rjust(2, '0')}:#{start_time.seconds.to_s.rjust(2, '0')}.#{start_time.milliseconds.to_s.rjust(3, '0')}"
- end_time = "#{end_time.hours.to_s.rjust(2, '0')}:#{end_time.minutes.to_s.rjust(2, '0')}:#{end_time.seconds.to_s.rjust(2, '0')}.#{end_time.milliseconds.to_s.rjust(3, '0')}"
- text = HTML.unescape(node.content)
- text = text.gsub(/<font color="#[a-fA-F0-9]{6}">/, "")
- text = text.gsub(/<\/font>/, "")
- if md = text.match(/(?<name>.*) : (?<text>.*)/)
- text = "<v #{md["name"]}>#{md["text"]}</v>"
+ END_CUE
end
-
- str << <<-END_CUE
- #{start_time} --> #{end_time}
- #{text}
-
-
- END_CUE
end
end
- end
- else
- # Some captions have "align:[start/end]" and "position:[num]%"
- # attributes. Those are causing issues with VideoJS, which is unable
- # to properly align the captions on the video, so we remove them.
- #
- # See: https://github.com/iv-org/invidious/issues/2391
- webvtt = YT_POOL.client &.get("#{url}&format=vtt").body
- if webvtt.starts_with?("<?xml")
- webvtt = caption.timedtext_to_vtt(webvtt)
else
+ # Some captions have "align:[start/end]" and "position:[num]%"
+ # attributes. Those are causing issues with VideoJS, which is unable
+ # to properly align the captions on the video, so we remove them.
+ #
+ # See: https://github.com/iv-org/invidious/issues/2391
webvtt = YT_POOL.client &.get("#{url}&format=vtt").body
- .gsub(/([0-9:.]{12} --> [0-9:.]{12}).+/, "\\1")
+ if webvtt.starts_with?("<?xml")
+ webvtt = caption.timedtext_to_vtt(webvtt)
+ else
+ webvtt = YT_POOL.client &.get("#{url}&format=vtt").body
+ .gsub(/([0-9:.]{12} --> [0-9:.]{12}).+/, "\\1")
+ end
end
end
diff --git a/src/invidious/videos.cr b/src/invidious/videos.cr
index f38b33e5..9fbd1374 100644
--- a/src/invidious/videos.cr
+++ b/src/invidious/videos.cr
@@ -24,7 +24,7 @@ struct Video
property updated : Time
@[DB::Field(ignore: true)]
- @captions = [] of Invidious::Videos::Caption
+ @captions = [] of Invidious::Videos::Captions::Metadata
@[DB::Field(ignore: true)]
property adaptive_fmts : Array(Hash(String, JSON::Any))?
@@ -215,9 +215,9 @@ struct Video
keywords.includes? "YouTube Red"
end
- def captions : Array(Invidious::Videos::Caption)
+ def captions : Array(Invidious::Videos::Captions::Metadata)
if @captions.empty? && @info.has_key?("captions")
- @captions = Invidious::Videos::Caption.from_yt_json(info["captions"])
+ @captions = Invidious::Videos::Captions::Metadata.from_yt_json(info["captions"])
end
return @captions
diff --git a/src/invidious/videos/caption.cr b/src/invidious/videos/caption.cr
index 13f81a31..256dfcc0 100644
--- a/src/invidious/videos/caption.cr
+++ b/src/invidious/videos/caption.cr
@@ -1,100 +1,106 @@
require "json"
module Invidious::Videos
- struct Caption
- property name : String
- property language_code : String
- property base_url : String
+ module Captions
+ struct Metadata
+ property name : String
+ property language_code : String
+ property base_url : String
- def initialize(@name, @language_code, @base_url)
- end
+ property auto_generated : Bool
- # Parse the JSON structure from Youtube
- def self.from_yt_json(container : JSON::Any) : Array(Caption)
- caption_tracks = container
- .dig?("playerCaptionsTracklistRenderer", "captionTracks")
- .try &.as_a
+ def initialize(@name, @language_code, @base_url, @auto_generated)
+ end
- captions_list = [] of Caption
- return captions_list if caption_tracks.nil?
+ # Parse the JSON structure from Youtube
+ def self.from_yt_json(container : JSON::Any) : Array(Captions::Metadata)
+ caption_tracks = container
+ .dig?("playerCaptionsTracklistRenderer", "captionTracks")
+ .try &.as_a
- caption_tracks.each do |caption|
- name = caption["name"]["simpleText"]? || caption["name"]["runs"][0]["text"]
- name = name.to_s.split(" - ")[0]
+ captions_list = [] of Captions::Metadata
+ return captions_list if caption_tracks.nil?
- language_code = caption["languageCode"].to_s
- base_url = caption["baseUrl"].to_s
+ caption_tracks.each do |caption|
+ name = caption["name"]["simpleText"]? || caption["name"]["runs"][0]["text"]
+ name = name.to_s.split(" - ")[0]
- captions_list << Caption.new(name, language_code, base_url)
- end
+ language_code = caption["languageCode"].to_s
+ base_url = caption["baseUrl"].to_s
- return captions_list
- end
+ auto_generated = (caption["kind"]? == "asr")
+
+ captions_list << Captions::Metadata.new(name, language_code, base_url, auto_generated)
+ end
- def timedtext_to_vtt(timedtext : String, tlang = nil) : String
- # In the future, we could just directly work with the url. This is more of a POC
- cues = [] of XML::Node
- tree = XML.parse(timedtext)
- tree = tree.children.first
-
- tree.children.each do |item|
- if item.name == "body"
- item.children.each do |cue|
- if cue.name == "p" && !(cue.children.size == 1 && cue.children[0].content == "\n")
- cues << cue
+ return captions_list
+ end
+
+ def timedtext_to_vtt(timedtext : String, tlang = nil) : String
+ # In the future, we could just directly work with the url. This is more of a POC
+ cues = [] of XML::Node
+ tree = XML.parse(timedtext)
+ tree = tree.children.first
+
+ tree.children.each do |item|
+ if item.name == "body"
+ item.children.each do |cue|
+ if cue.name == "p" && !(cue.children.size == 1 && cue.children[0].content == "\n")
+ cues << cue
+ end
end
+ break
end
- break
end
- end
- result = String.build do |result|
- result << <<-END_VTT
- WEBVTT
- Kind: captions
- Language: #{tlang || @language_code}
+ result = String.build do |result|
+ result << <<-END_VTT
+ WEBVTT
+ Kind: captions
+ Language: #{tlang || @language_code}
- END_VTT
+ END_VTT
- result << "\n\n"
+ result << "\n\n"
- cues.each_with_index do |node, i|
- start_time = node["t"].to_f.milliseconds
+ cues.each_with_index do |node, i|
+ start_time = node["t"].to_f.milliseconds
- duration = node["d"]?.try &.to_f.milliseconds
+ duration = node["d"]?.try &.to_f.milliseconds
- duration ||= start_time
+ duration ||= start_time
- if cues.size > i + 1
- end_time = cues[i + 1]["t"].to_f.milliseconds
- else
- end_time = start_time + duration
- end
+ if cues.size > i + 1
+ end_time = cues[i + 1]["t"].to_f.milliseconds
+ else
+ end_time = start_time + duration
+ end
- # start_time
- result << start_time.hours.to_s.rjust(2, '0')
- result << ':' << start_time.minutes.to_s.rjust(2, '0')
- result << ':' << start_time.seconds.to_s.rjust(2, '0')
- result << '.' << start_time.milliseconds.to_s.rjust(3, '0')
+ # start_time
+ result << start_time.hours.to_s.rjust(2, '0')
+ result << ':' << start_time.minutes.to_s.rjust(2, '0')
+ result << ':' << start_time.seconds.to_s.rjust(2, '0')
+ result << '.' << start_time.milliseconds.to_s.rjust(3, '0')
- result << " --> "
+ result << " --> "
- # end_time
- result << end_time.hours.to_s.rjust(2, '0')
- result << ':' << end_time.minutes.to_s.rjust(2, '0')
- result << ':' << end_time.seconds.to_s.rjust(2, '0')
- result << '.' << end_time.milliseconds.to_s.rjust(3, '0')
+ # end_time
+ result << end_time.hours.to_s.rjust(2, '0')
+ result << ':' << end_time.minutes.to_s.rjust(2, '0')
+ result << ':' << end_time.seconds.to_s.rjust(2, '0')
+ result << '.' << end_time.milliseconds.to_s.rjust(3, '0')
- result << "\n"
+ result << "\n"
- node.children.each do |s|
- result << s.content
+ node.children.each do |s|
+ result << s.content
+ end
+ result << "\n"
+ result << "\n"
end
- result << "\n"
- result << "\n"
end
+ return result
end
- return result
end
# List of all caption languages available on Youtube.
diff --git a/src/invidious/videos/transcript.cr b/src/invidious/videos/transcript.cr
new file mode 100644
index 00000000..f3360a52
--- /dev/null
+++ b/src/invidious/videos/transcript.cr
@@ -0,0 +1,103 @@
+module Invidious::Videos
+ # Namespace for methods primarily relating to Transcripts
+ module Transcript
+ record TranscriptLine, start_ms : Time::Span, end_ms : Time::Span, line : String
+
+ def self.generate_param(video_id : String, language_code : String, auto_generated : Bool) : String
+ kind = auto_generated ? "asr" : ""
+
+ object = {
+ "1:0:string" => video_id,
+
+ "2:base64" => {
+ "1:string" => kind,
+ "2:string" => language_code,
+ "3:string" => "",
+ },
+
+ "3:varint" => 1_i64,
+ "5:string" => "engagement-panel-searchable-transcript-search-panel",
+ "6:varint" => 1_i64,
+ "7:varint" => 1_i64,
+ "8:varint" => 1_i64,
+ }
+
+ params = object.try { |i| Protodec::Any.cast_json(i) }
+ .try { |i| Protodec::Any.from_json(i) }
+ .try { |i| Base64.urlsafe_encode(i) }
+ .try { |i| URI.encode_www_form(i) }
+
+ return params
+ end
+
+ def self.convert_transcripts_to_vtt(initial_data : Hash(String, JSON::Any), target_language : String) : String
+ # Convert into array of TranscriptLine
+ lines = self.parse(initial_data)
+
+ # Taken from Invidious::Videos::Captions::Metadata.timedtext_to_vtt()
+ vtt = String.build do |vtt|
+ vtt << <<-END_VTT
+ WEBVTT
+ Kind: captions
+ Language: #{target_language}
+
+
+ END_VTT
+
+ vtt << "\n\n"
+
+ lines.each do |line|
+ start_time = line.start_ms
+ end_time = line.end_ms
+
+ # start_time
+ vtt << start_time.hours.to_s.rjust(2, '0')
+ vtt << ':' << start_time.minutes.to_s.rjust(2, '0')
+ vtt << ':' << start_time.seconds.to_s.rjust(2, '0')
+ vtt << '.' << start_time.milliseconds.to_s.rjust(3, '0')
+
+ vtt << " --> "
+
+ # end_time
+ vtt << end_time.hours.to_s.rjust(2, '0')
+ vtt << ':' << end_time.minutes.to_s.rjust(2, '0')
+ vtt << ':' << end_time.seconds.to_s.rjust(2, '0')
+ vtt << '.' << end_time.milliseconds.to_s.rjust(3, '0')
+
+ vtt << "\n"
+ vtt << line.line
+
+ vtt << "\n"
+ vtt << "\n"
+ end
+ end
+
+ return vtt
+ end
+
+ private def self.parse(initial_data : Hash(String, JSON::Any))
+ body = initial_data.dig("actions", 0, "updateEngagementPanelAction", "content", "transcriptRenderer",
+ "content", "transcriptSearchPanelRenderer", "body", "transcriptSegmentListRenderer",
+ "initialSegments").as_a
+
+ lines = [] of TranscriptLine
+ body.each do |line|
+ # Transcript section headers. They are not apart of the captions and as such we can safely skip them.
+ if line.as_h.has_key?("transcriptSectionHeaderRenderer")
+ next
+ end
+
+ line = line["transcriptSegmentRenderer"]
+
+ start_ms = line["startMs"].as_s.to_i.millisecond
+ end_ms = line["endMs"].as_s.to_i.millisecond
+
+ text = extract_text(line["snippet"]) || ""
+
+ lines << TranscriptLine.new(start_ms, end_ms, text)
+ end
+
+ return lines
+ end
+ end
+end
diff --git a/src/invidious/views/playlist.ecr b/src/invidious/views/playlist.ecr
index ee9ba87b..24ba437d 100644
--- a/src/invidious/views/playlist.ecr
+++ b/src/invidious/views/playlist.ecr
@@ -70,7 +70,12 @@
</b>
<% else %>
<b>
- <a href="/channel/<%= playlist.ucid %>"><%= author %></a> |
+ <% if !author.empty? %>
+ <a href="/channel/<%= playlist.ucid %>"><%= author %></a> |
+ <% elsif !playlist.subtitle.nil? %>
+ <% subtitle = playlist.subtitle || "" %>
+ <span><%= HTML.escape(subtitle[0..subtitle.rindex(" • ") || subtitle.size]) %></span> |
+ <% end %>
<%= translate_count(locale, "generic_videos_count", playlist.video_count) %> |
<%= translate(locale, "Updated `x` ago", recode_date(playlist.updated, locale)) %>
</b>
diff --git a/src/invidious/views/user/preferences.ecr b/src/invidious/views/user/preferences.ecr
index dfda1434..55349c5a 100644
--- a/src/invidious/views/user/preferences.ecr
+++ b/src/invidious/views/user/preferences.ecr
@@ -89,7 +89,7 @@
<label for="captions[0]"><%= translate(locale, "preferences_captions_label") %></label>
<% preferences.captions.each_with_index do |caption, index| %>
<select class="pure-u-1-6" name="captions[<%= index %>]" id="captions[<%= index %>]">
- <% Invidious::Videos::Caption::LANGUAGES.each do |option| %>
+ <% Invidious::Videos::Captions::LANGUAGES.each do |option| %>
<option value="<%= option %>" <% if preferences.captions[index] == option %> selected <% end %>><%= translate(locale, option.blank? ? "none" : option) %></option>
<% end %>
</select>
diff --git a/src/invidious/yt_backend/youtube_api.cr b/src/invidious/yt_backend/youtube_api.cr
index aef9ddd9..a5e621f2 100644
--- a/src/invidious/yt_backend/youtube_api.cr
+++ b/src/invidious/yt_backend/youtube_api.cr
@@ -558,6 +558,30 @@ module YoutubeAPI
end
####################################################################
+ # get_transcript(params, client_config?)
+ #
+ # Requests the youtubei/v1/get_transcript endpoint with the required headers
+ # and POST data in order to get a JSON reply.
+ #
+ # The requested data is a specially encoded protobuf string that denotes the specific language requested.
+ #
+ # An optional ClientConfig parameter can be passed, too (see
+ # `struct ClientConfig` above for more details).
+ #
+
+ def get_transcript(
+ params : String,
+ client_config : ClientConfig | Nil = nil
+ ) : Hash(String, JSON::Any)
+ data = {
+ "context" => self.make_context(client_config),
+ "params" => params,
+ }
+
+ return self._post_json("/youtubei/v1/get_transcript", data, client_config)
+ end
+
+ ####################################################################
# _post_json(endpoint, data, client_config?)
#
# Internal function that does the actual request to youtube servers
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-17 15:49:30 +0000