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Speedup during silence #4

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Speedup during silence #4

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35 changes: 30 additions & 5 deletions evafast.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,11 @@ local options = {
-- Playback speed cap when subtitles are displayed, 'no' for same as speed_cap
subs_speed_cap = 1.6,

-- Playback speed cap when there is silence
noise_speed_cap = 1.4,
quietness = -30,
silence_duration = 0.1,

-- Multiply current speed by modifier before adjustment (exponential speedup)
-- Use much lower values than default e.g. speed_increase=0.05, speed_decrease=0.025
multiply_modifier = false,
Expand Down Expand Up @@ -282,11 +287,7 @@ local function evafast_toggle()
end
end

mp.register_script_message("uosc-version", function(version)
uosc_available = true
end)

mp.register_script_message("speedup-target", function(time)
local function evafast_speedup_target(time)
time = tonumber(time) or 0
if mp.get_property_number("time-pos", 0) >= time then
if speedup_target ~= nil then
Expand All @@ -299,12 +300,36 @@ mp.register_script_message("speedup-target", function(time)
end
speedup_target = time
evafast_speedup()
end

mp.register_script_message("uosc-version", function(version)
uosc_available = true
end)

mp.register_script_message("speedup-target", evafast_speedup_target)

mp.register_script_message("get-version", function(script)
mp.commandv("script-message-to", script, "evafast-version", "1.0")
end)

if options.noise_speed_cap then
mp.command("no-osd af add @noisedetect:lavfi=[silencedetect=noise=" .. options.quietness .. "dB:d=" .. options.silence_duration .. "]")
end

function foundSilence(name, value)
if value == "{}" or value == nil then return end

local duration = tonumber(string.match(value, 'lavfi%.silence_duration":%"(%d+%.?%d+)"'))
if not duration or duration < 1 then return end

timecode = tonumber(string.match(value, 'lavfi%.silence_end":%"(%d+%.?%d+)"'))

evafast_speedup_target(timecode)
print("timecode", timecode, value)
end

mp.observe_property("af-metadata/noisedetect", "string", foundSilence)

mp.add_key_binding("RIGHT", "evafast", evafast, {repeatable = true, complex = true})
mp.add_key_binding(nil, "speedup", evafast_speedup)
mp.add_key_binding(nil, "slowdown", evafast_slowdown)
Expand Down