74 lines
1.9 KiB
Lua
74 lines
1.9 KiB
Lua
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local opts = {
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command_on_first_image_loaded="",
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command_on_image_loaded="",
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command_on_non_image_loaded="",
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}
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local options = require 'mp.options'
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local msg = require 'mp.msg'
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options.read_options(opts, nil, function() end)
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function run_maybe(str)
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if str ~= "" then
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mp.command(str)
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end
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end
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local was_image = false
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function set_image(is_image)
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if is_image and not was_image then
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msg.info("First image detected")
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run_maybe(opts.command_on_first_image_loaded)
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end
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if is_image then
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msg.info("Image detected")
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run_maybe(opts.command_on_image_loaded)
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end
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if not is_image and was_image then
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msg.info("Non-image detected")
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run_maybe(opts.command_on_non_image_loaded)
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end
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was_image = is_image
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end
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local properties = {}
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function properties_changed()
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local dwidth = properties["dwidth"]
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local tracks = properties["track-list"]
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local path = properties["path"]
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local framecount = properties["estimated-frame-count"]
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if not path or path == "" then return end
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if not tracks or #tracks == 0 then return end
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local audio_tracks = 0
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for _, track in ipairs(tracks) do
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if track.type == "audio" then
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audio_tracks = audio_tracks + 1
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end
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end
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-- only do things when state is consistent
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if not framecount and audio_tracks > 0 then
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set_image(false)
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elseif framecount and dwidth and dwidth > 0 then
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-- png have 0 frames, jpg 1 ¯\_(ツ)_/¯
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set_image((framecount == 0 or framecount == 1) and audio_tracks == 0)
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end
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end
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function observe(propname)
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mp.observe_property(propname, "native", function(_, val)
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if val ~= properties[propname] then
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properties[propname] = val
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msg.verbose("Property " .. propname .. " changed")
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properties_changed()
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end
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end)
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end
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observe("estimated-frame-count")
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observe("track-list")
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observe("dwidth")
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observe("path")
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