OBS Script - Text Timer

Text Timer.lua

--------------------------------------------------
-- OBS Text Timer
--------------------------------------------------

--------------------------------------------------
-- Setting
--------------------------------------------------

local TimerFormat_Full		= "%Y/%m/%d %H:%M:%S"
local TimerFormat_Time		= "%H:%M:%S"
local TimerSignature_Full	= "@TimerFull"
local TimerSignature_Time	= "@TimerTime"

local UpdateTick		= 100	-- [ms]

--------------------------------------------------
-- Functions
--------------------------------------------------

local scriptEnabled	= false
local lastDisplayTime	= nil

local textSourceIds	= {
	"text_gdiplus_v2",
	"text_gdiplus",
	"text_ft2_source",
}

function getFormattedTimer()
	return os.date(TimerFormat_Full), os.date(TimerFormat_Time)
end

function updateSourceText(source, text)
	local data	= obslua.obs_data_create()
	obslua.obs_data_set_string(data, "text", text)
	obslua.obs_source_update(source, data)
	obslua.obs_data_release(data)
end
function updateTimerTexts()
	local timerTextFull, timerTextTime	= getFormattedTimer()
	if(timerTextFull == lastDisplayTime)then
		return
	end
	lastDisplayTime	= timerTextFull

	local sources	= obslua.obs_enum_sources()
	if(sources == nil)then
		return
	end

	for sourcesIndex, source in ipairs(sources) do
		local sourceId	= obslua.obs_source_get_id(source)
		for textSourceIdsIndex,textSource in ipairs(textSourceIds) do
			if(sourceId == textSource)then
				local sourceName	= obslua.obs_source_get_name(source)
				if(    string.find(sourceName, TimerSignature_Full))then
					updateSourceText(source, timerTextFull)
				elseif(string.find(sourceName, TimerSignature_Time))then
					updateSourceText(source, timerTextTime)
				end
			end
			break
		end
	end

	obslua.source_list_release(sources)
end

function scriptTick()
	if(scriptEnabled)then
		updateTimerTexts()
	else
		-- remove tick callback
		obslua.timer_remove(scriptTick)
	end
end

--------------------------------------------------
-- OBS scripting interface
--------------------------------------------------

function script_load(settings)
	-- Parameters:
	-- 	settings ? Settings associated with the script.

	-- set tick callback
	obslua.timer_add(scriptTick, UpdateTick)

	scriptEnabled	= true
end

function script_unload()
	scriptEnabled	= false
end

--function script_save(settings)
--	-- Parameters:
--	-- 	settings ? Settings associated with the script.
--end
--
--function script_defaults(settings)
--	-- Parameters:
--	-- 	settings ? Settings associated with the script.
--end
--
--function script_update(settings)
--	-- Parameters:
--	-- 	settings ? Settings associated with the script.
--end
--
--function script_properties()
--	-- Returns:
--	-- 	obs_properties_t object created via obs_properties_create().
--end
--
--function script_tick(seconds)
--	-- Parameters:
--	-- 	seconds ? Seconds passed since previous frame.
--end

function script_description()
	return [[Set the current time to a text source(s) containing the following specific strings: "@TimerFull" (yyyy/mm/dd hh:mm:ss) or "@TimerTime" (hh:mm:ss)]]
end