141 lines
4.0 KiB
Lua
141 lines
4.0 KiB
Lua
lookahead=5 --if nextsub >= lookahead then speedup
|
|
normalspeed=mp.get_property_native("speed")
|
|
speedup=2.5
|
|
-------------------
|
|
|
|
state=0
|
|
enable=false
|
|
|
|
function set_timeout()
|
|
if mp.get_property_native("cache-size") ~= nil then
|
|
time_out = mp.get_property_native("cache-secs")
|
|
else
|
|
time_out = mp.get_property_native("demuxer-readahead-secs")
|
|
end
|
|
return time_out
|
|
end
|
|
|
|
function restore_normalspeed()
|
|
mp.set_property("speed", normalspeed)
|
|
end
|
|
|
|
function check_should_speedup()
|
|
subdelay = mp.get_property_native("sub-delay")
|
|
mp.command("no-osd set sub-visibility no")
|
|
mp.command("no-osd sub-step 1")
|
|
nextsubdelay = mp.get_property_native("sub-delay")
|
|
nextsub = subdelay - nextsubdelay
|
|
--print("nextsub in seconds "..nextsub)
|
|
mp.set_property("sub-delay", subdelay)
|
|
mp.command("no-osd set sub-visibility yes")
|
|
return nextsub, nextsub >= lookahead or nextsub == 0
|
|
end
|
|
|
|
function search_next_sub()
|
|
nextsub, _ = check_should_speedup()
|
|
add_timers(nextsub)
|
|
end
|
|
|
|
function add_timers(nextsub)
|
|
--We know when the next sub comes
|
|
if nextsub ~= 0 then
|
|
--make sure we reset the speed on the unlikely case when a timer fires
|
|
--within one second of the next sub
|
|
if nextsub - 1 > 0 then
|
|
mp.add_timeout((nextsub-1)/speedup, reset_early)
|
|
else
|
|
restore_normalspeed()
|
|
end
|
|
--We don't know when the next sub comes, so search for it recursively
|
|
elseif nextsub == 0 then
|
|
--search for next sub after time_out seconds, when its position might be known
|
|
if not mp.get_property_native("pause") and set_timeout() - 1 > 0 then
|
|
mp.add_timeout((time_out-1)/speedup, search_next_sub)
|
|
end
|
|
end
|
|
end
|
|
|
|
--reset to normal speed before subtitle shows up
|
|
--prevents ugly audio glitches when speech starts
|
|
function reset_early()
|
|
--check if it really is time to reset
|
|
--prevents premature change to normal speed due to seeking/pausing
|
|
--seeking/pausing results in firing timers early/late
|
|
if mp.get_property_native("sub-text") == "" and state == 1 then
|
|
nextsub , shouldspeedup = check_should_speedup()
|
|
if not shouldspeedup then
|
|
--print("reset_early executed")
|
|
restore_normalspeed()
|
|
else
|
|
--print("reset_early aborted! Seeking/Pausing?")
|
|
end
|
|
end
|
|
end
|
|
|
|
function speed_transition(subtext, sub)
|
|
if state == 0 then
|
|
if sub == "" then
|
|
nextsub, shouldspeedup = check_should_speedup()
|
|
if shouldspeedup then
|
|
normalspeed = mp.get_property_native("speed")
|
|
mp.set_property("speed", speedup)
|
|
add_timers(nextsub)
|
|
state = 1
|
|
end
|
|
end
|
|
elseif state == 1 then
|
|
if sub ~= "" then
|
|
restore_normalspeed()
|
|
state = 0
|
|
end
|
|
end
|
|
end
|
|
|
|
function toggle()
|
|
if not enable then
|
|
mp.observe_property("sub-text", "native", speed_transition)
|
|
mp.osd_message("speed-transition enabled")
|
|
else
|
|
restore_normalspeed()
|
|
mp.unobserve_property(speed_transition)
|
|
mp.osd_message("speed-transition disabled")
|
|
end
|
|
state = 0
|
|
enable = not enable
|
|
end
|
|
|
|
function pause(e,v)
|
|
if not v and state == 1 then
|
|
search_next_sub()
|
|
end
|
|
end
|
|
|
|
|
|
local sub_color
|
|
local sub_color2
|
|
toggle2 = false
|
|
|
|
function toggle_sub_visibility()
|
|
if not toggle2 then
|
|
sub_color = mp.get_property("sub-color", "1/1/1")
|
|
sub_color2 = mp.get_property("sub-border-color", "0/0/0")
|
|
mp.set_property("sub-color", "0/0/0/0")
|
|
mp.set_property("sub-border-color", "0/0/0/0")
|
|
else
|
|
mp.set_property("sub-color", sub_color)
|
|
mp.set_property("sub-border-color", sub_color2)
|
|
end
|
|
toggle2 = not toggle2
|
|
end
|
|
|
|
function change_speedup(v)
|
|
speedup = speedup + v
|
|
mp.osd_message("speedup: "..speedup)
|
|
end
|
|
|
|
mp.observe_property("pause", "native", pause)
|
|
mp.add_key_binding("ctrl+j", "toggle_speedtrans", toggle)
|
|
mp.add_key_binding("alt+j", "toggle_sub_visibility", toggle_sub_visibility)
|
|
mp.add_key_binding("alt++", "increase_speedup", function() change_speedup(0.1) end)
|
|
mp.add_key_binding("alt+-", "decrease_speedup", function() change_speedup(-0.1) end)
|