107 lines
3.1 KiB
Lua
107 lines
3.1 KiB
Lua
lookahead = 5
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speedup = 2.5
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leadin = 1
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---------------
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normalspeed=mp.get_property_native("speed")
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function restore_normalspeed()
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mp.set_property("speed", normalspeed)
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if mp.get_property_native("video-sync") == "desync" then
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mp.set_property("video-sync", "audio")
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end
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end
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function check_should_speedup()
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local subdelay = mp.get_property_native("sub-delay")
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mp.command("no-osd set sub-visibility no")
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mp.command("no-osd sub-step 1")
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local nextsubdelay = mp.get_property_native("sub-delay")
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local nextsub = subdelay - nextsubdelay
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mp.set_property("sub-delay", subdelay)
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mp.command("no-osd set sub-visibility yes")
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return nextsub, nextsub >= lookahead or nextsub == 0
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end
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function check_position()
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local nextsub = check_should_speedup()
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if nextsub ~= 0 and nextsub<=leadin then
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restore_normalspeed()
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mp.unobserve_property(check_position)
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end
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end
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function speed_transition(_, sub)
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if state == 0 then
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if sub == "" then
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_ , shouldspeedup = check_should_speedup()
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if shouldspeedup then
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normalspeed = mp.get_property("speed")
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if mp.get_property_native("video-sync") == "audio" then
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mp.set_property("video-sync", "desync")
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end
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mp.set_property("speed", speedup)
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mp.observe_property("time-pos", nil, check_position)
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state = 1
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end
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end
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elseif state == 1 then
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if sub ~= "" then
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mp.unobserve_property(check_position)
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restore_normalspeed()
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state = 0
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end
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end
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end
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toggle2 = false
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function toggle_sub_visibility()
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if not toggle2 then
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sub_color = mp.get_property("sub-color", "1/1/1/1")
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sub_color2 = mp.get_property("sub-border-color", "0/0/0/1")
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mp.set_property("sub-color", "0/0/0/0")
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mp.set_property("sub-border-color", "0/0/0/0")
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else
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mp.set_property("sub-color", sub_color)
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mp.set_property("sub-border-color", sub_color2)
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end
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mp.osd_message("subtitle visibility: "..tostring(toggle2))
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toggle2 = not toggle2
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end
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function change_speedup(v)
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speedup = speedup + v
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mp.osd_message("speedup: "..speedup)
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end
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function change_leadin(v)
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leadin = leadin + v
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mp.osd_message("leadin: "..leadin)
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end
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enable = false
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state = 0
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function toggle()
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if not enable then
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normalspeed = mp.get_property("speed")
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mp.observe_property("sub-text", "native", speed_transition)
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mp.osd_message("speed-transition enabled")
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else
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restore_normalspeed()
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mp.unobserve_property(speed_transition)
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mp.unobserve_property(check_position)
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mp.osd_message("speed-transition disabled")
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end
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state = 0
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enable = not enable
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end
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mp.add_key_binding("ctrl+j", "toggle_speedtrans", toggle)
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mp.add_key_binding("alt+j", "toggle_sub_visibility", toggle_sub_visibility)
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mp.add_key_binding("alt++", "increase_speedup", function() change_speedup(0.1) end)
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mp.add_key_binding("alt+-", "decrease_speedup", function() change_speedup(-0.1) end)
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mp.add_key_binding("alt+0", "increase_leadin", function() change_leadin(0.25) end)
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mp.add_key_binding("alt+9", "decrease_leadin", function() change_leadin(-0.25) end)
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