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ytdl_hook: make codec mapping more declarative

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This commit is contained in:
wm4 2020-02-21 14:29:55 +01:00
parent 04118eefb8
commit 6337c1cc14
1 changed files with 9 additions and 12 deletions

21
player/lua/ytdl_hook.lua
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@ -40,9 +40,13 @@ local safe_protos = Set {
}
local codec_map = {
-- src pattern = mpv codec
["vtt"] = "webvtt",
["opus"] = "opus",
["vp9"] = "vp9",
["avc1\..*"] = "h264",
["av01\..*"] = "av1",
["mp4a\..*"] = "aac",
}
-- Codec name as reported by youtube-dl mapped to mpv internal codec names.
@ -54,18 +58,11 @@ local function map_codec_to_mpv(codec)
if codec == nil then
return nil
end
local mc = codec_map[codec]
if mc then
return mc
end
if codec:sub(1, 5) == "avc1." then
return "h264"
end
if codec:sub(1, 5) == "av01." then
return "av1"
end
if codec:sub(1, 5) == "mp4a." then
return "aac"
for k, v in pairs(codec_map) do
local s, e = codec:find(k)
if s == 1 and e == #codec then
return v
end
end
return nil
end