Add 'fps' to '/videos/:id' endpoint

This commit is contained in:
Omar Roth 2018-08-12 09:24:59 -05:00
parent db2c10e3a0
commit 8b07a7b157
2 changed files with 52 additions and 34 deletions

View file

@ -1921,32 +1921,37 @@ get "/api/v1/videos/:id" do |env|
json.field "adaptiveFormats" do
json.array do
adaptive_fmts.each_with_index do |adaptive_fmt, i|
adaptive_fmts.each do |fmt|
json.object do
json.field "index", adaptive_fmt["index"]
json.field "bitrate", adaptive_fmt["bitrate"]
json.field "init", adaptive_fmt["init"]
json.field "url", adaptive_fmt["url"]
json.field "itag", adaptive_fmt["itag"]
json.field "type", adaptive_fmt["type"]
json.field "clen", adaptive_fmt["clen"]
json.field "lmt", adaptive_fmt["lmt"]
json.field "projectionType", adaptive_fmt["projection_type"]
json.field "index", fmt["index"]
json.field "bitrate", fmt["bitrate"]
json.field "init", fmt["init"]
json.field "url", fmt["url"]
json.field "itag", fmt["itag"]
json.field "type", fmt["type"]
json.field "clen", fmt["clen"]
json.field "lmt", fmt["lmt"]
json.field "projectionType", fmt["projection_type"]
fmt_info = itag_to_metadata(adaptive_fmt["itag"])
json.field "container", fmt_info["ext"]
json.field "encoding", fmt_info["vcodec"]? || fmt_info["acodec"]
fmt_info = itag_to_metadata?(fmt["itag"])
if fmt_info
fps = fmt_info["fps"]?.try &.to_i || fmt["fps"]?.try &.to_i || 30
json.field "fps", fps
json.field "container", fmt_info["ext"]
json.field "encoding", fmt_info["vcodec"]? || fmt_info["acodec"]
if fmt_info["fps"]?
json.field "fps", fmt_info["fps"]
end
if fmt_info["height"]?
json.field "resolution", "#{fmt_info["height"]}p"
if fmt_info["height"]?
json.field "qualityLabel", "#{fmt_info["height"]}p"
json.field "resolution", "#{fmt_info["height"]}p"
quality_label = "#{fmt_info["height"]}p"
if fps > 30
quality_label += "60"
end
json.field "qualityLabel", quality_label
if fmt_info["width"]?
json.field "size", "#{fmt_info["width"]}x#{fmt_info["height"]}"
if fmt_info["width"]?
json.field "size", "#{fmt_info["width"]}x#{fmt_info["height"]}"
end
end
end
end
@ -1963,20 +1968,25 @@ get "/api/v1/videos/:id" do |env|
json.field "type", fmt["type"]
json.field "quality", fmt["quality"]
fmt_info = itag_to_metadata(fmt["itag"])
json.field "container", fmt_info["ext"]
json.field "encoding", fmt_info["vcodec"]? || fmt_info["acodec"]
fmt_info = itag_to_metadata?(fmt["itag"])
if fmt_info
fps = fmt_info["fps"]?.try &.to_i || fmt["fps"]?.try &.to_i || 30
json.field "fps", fps
json.field "container", fmt_info["ext"]
json.field "encoding", fmt_info["vcodec"]? || fmt_info["acodec"]
if fmt_info["fps"]?
json.field "fps", fmt_info["fps"]
end
if fmt_info["height"]?
json.field "resolution", "#{fmt_info["height"]}p"
if fmt_info["height"]?
json.field "qualityLabel", "#{fmt_info["height"]}p"
json.field "resolution", "#{fmt_info["height"]}p"
quality_label = "#{fmt_info["height"]}p"
if fps > 30
quality_label += "60"
end
json.field "qualityLabel", quality_label
if fmt_info["width"]?
json.field "size", "#{fmt_info["width"]}x#{fmt_info["height"]}"
if fmt_info["width"]?
json.field "size", "#{fmt_info["width"]}x#{fmt_info["height"]}"
end
end
end
end

View file

@ -328,7 +328,7 @@ def fetch_video(id)
return video
end
def itag_to_metadata(itag : String)
def itag_to_metadata?(itag : String)
# See https://github.com/rg3/youtube-dl/blob/master/youtube_dl/extractor/youtube.py#L380-#L476
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"},
@ -414,6 +414,14 @@ def itag_to_metadata(itag : String)
"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},
@ -425,7 +433,7 @@ def itag_to_metadata(itag : String)
"251" => {"ext" => "webm", "format" => "DASH audio", "acodec" => "opus", "abr" => 160},
}
return formats[itag]
return formats[itag]?
end
def process_video_params(query, preferences)