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OBS Lua Displays the media source along with the voice. OBS 30.2.3

※If it works properly, it will look like this.
1000008435.png


《The contents of the script look like this.》


The one below is Version 1.0
〘With log output〙*Risk of crashing
obs = obslua
ffi = require("ffi")

-- Global variables
local G = {
lock = false,
start_delay = 3,
duration = 0,
noise = 999,
tick = 16,
tick_mili = 16 * 0.001,
interval_sec = 0.05,
tick_acc = 0,
source_name = "Audio", -- Changed from "Mic" to "Audio"
speach_source_name = "speach",
volmeter = nil,
threshold = -50, -- Adjust this value to set the dB threshold
is_speach_visible = false
}

-- FFI declarations
ffi.cdef[[
typedef struct obs_source obs_source_t;
typedef struct obs_volmeter obs_volmeter_t;

obs_source_t *obs_get_source_by_name(const char *name);
void obs_source_release(obs_source_t *source);
obs_volmeter_t *obs_volmeter_create(int fader_type);
void obs_volmeter_destroy(obs_volmeter_t *volmeter);
bool obs_volmeter_attach_source(obs_volmeter_t *volmeter, obs_source_t *source);
typedef void (*obs_volmeter_callback_t)(void *param, const float magnitude[4], const float peak[4], const float input_peak[4]);
void obs_volmeter_add_callback(obs_volmeter_t *volmeter, obs_volmeter_callback_t callback, void *param);
void obs_volmeter_remove_callback(obs_volmeter_t *volmeter, obs_volmeter_callback_t callback, void *param);
]]

local obsffi = ffi.load("obs")

-- Volmeter callback
local function volmeter_callback(param, magnitude, peak, input_peak)
G.noise = tonumber(peak[0])
end

-- Function to show/hide the "speach" source
local function toggle_speach_source(should_show)
local current_scene = obs.obs_frontend_get_current_scene()
local scene = obs.obs_scene_from_source(current_scene)
local scene_item = obs.obs_scene_find_source(scene, G.speach_source_name)

if scene_item ~= nil then
obs.obs_sceneitem_set_visible(scene_item, should_show)
G.is_speach_visible = should_show
print(string.format("Source '%s' is now %s.", G.speach_source_name, should_show and "visible" or "hidden"))
else
print("Source not found: " .. G.speach_source_name)
end

obs.obs_source_release(current_scene)
end

-- Event loop
local function event_loop()
G.duration = G.duration + G.tick_mili

if G.duration > G.start_delay then
if not G.lock then
print("Setting up volmeter")
local source = obsffi.obs_get_source_by_name(G.source_name)
G.volmeter = obsffi.obs_volmeter_create(2) -- OBS_FADER_LOG
obsffi.obs_volmeter_add_callback(G.volmeter, volmeter_callback, nil)
if obsffi.obs_volmeter_attach_source(G.volmeter, source) then
obsffi.obs_source_release(source)
G.lock = true
print("Attached to source")
end
else
G.tick_acc = G.tick_acc + G.tick_mili
if G.tick_acc > G.interval_sec then
if G.noise > G.threshold and not G.is_speach_visible then
toggle_speach_source(true)
elseif G.noise <= G.threshold and G.is_speach_visible then
toggle_speach_source(false)
end
G.tick_acc = 0
end
end
end
end

-- Script description
function script_description()
return "Script to show/hide 'speach' source based on audio levels."
end

-- Script load function
function script_load(settings)
obs.timer_add(event_loop, G.tick)
end

-- Script unload function
function script_unload()
if G.volmeter then
obsffi.obs_volmeter_remove_callback(G.volmeter, volmeter_callback, nil)
obsffi.obs_volmeter_destroy(G.volmeter)
print("Removed volmeter & volmeter_callback")
end
end
_____________________
A script that eliminates log output
(probably eliminates the risk of crashes)
_____________________

The one below is Version 1.5
obs = obslua
ffi = require("ffi")

-- Global variables
local G = {
lock = false,
start_delay = 3,
duration = 0,
noise = 999,
tick = 16,
tick_mili = 16 * 0.001,
interval_sec = 0.05,
tick_acc = 0,
source_name = "Audio", -- Changed from "Mic" to "Audio"
speach_source_name = "speach",
volmeter = nil,
threshold = -50, -- Adjust this value to set the dB threshold
is_speach_visible = false
}

-- FFI declarations
ffi.cdef[[
typedef struct obs_source obs_source_t;
typedef struct obs_volmeter obs_volmeter_t;

obs_source_t *obs_get_source_by_name(const char *name);
void obs_source_release(obs_source_t *source);
obs_volmeter_t *obs_volmeter_create(int fader_type);
void obs_volmeter_destroy(obs_volmeter_t *volmeter);
bool obs_volmeter_attach_source(obs_volmeter_t *volmeter, obs_source_t *source);
typedef void (*obs_volmeter_callback_t)(void *param, const float magnitude[4], const float peak[4], const float input_peak[4]);
void obs_volmeter_add_callback(obs_volmeter_t *volmeter, obs_volmeter_callback_t callback, void *param);
void obs_volmeter_remove_callback(obs_volmeter_t *volmeter, obs_volmeter_callback_t callback, void *param);
]]

local obsffi = ffi.load("obs")

-- Volmeter callback
local function volmeter_callback(param, magnitude, peak, input_peak)
G.noise = tonumber(peak[0])
end

-- Function to show/hide the "speach" source
local function toggle_speach_source(should_show)
local current_scene = obs.obs_frontend_get_current_scene()
local scene = obs.obs_scene_from_source(current_scene)
local scene_item = obs.obs_scene_find_source(scene, G.speach_source_name)

if scene_item ~= nil then
obs.obs_sceneitem_set_visible(scene_item, should_show)
G.is_speach_visible = should_show
end

obs.obs_source_release(current_scene)
end

-- Event loop
local function event_loop()
G.duration = G.duration + G.tick_mili

if G.duration > G.start_delay then
if not G.lock then
local source = obsffi.obs_get_source_by_name(G.source_name)
if source then
if G.volmeter == nil then
G.volmeter = obsffi.obs_volmeter_create(2) -- OBS_FADER_LOG
obsffi.obs_volmeter_add_callback(G.volmeter, volmeter_callback, nil)
end
if obsffi.obs_volmeter_attach_source(G.volmeter, source) then
obsffi.obs_source_release(source)
G.lock = true
end
end
else
G.tick_acc = G.tick_acc + G.tick_mili
if G.tick_acc > G.interval_sec then
if G.noise > G.threshold and not G.is_speach_visible then
toggle_speach_source(true)
elseif G.noise <= G.threshold and G.is_speach_visible then
toggle_speach_source(false)
end
G.tick_acc = 0
end
end
end
end

-- Script description
function script_description()
return "Script to show/hide 'speach' source based on audio levels."
end

-- Script load function
function script_load(settings)
obs.timer_add(event_loop, G.tick) -- Adjust if necessary to use G.tick_mili
end

-- Script unload function
function script_unload()
if G.volmeter then
obsffi.obs_volmeter_remove_callback(G.volmeter, volmeter_callback, nil)
obsffi.obs_volmeter_destroy(G.volmeter)
end
obs.timer_remove(event_loop) -- Remove the timer
end
Please change "speach" and "Audio" to
the names you actually use.


{Minimum prerequisites}↓

【Make sure you have LuaJIT installed】

1. https://github.com/ScriptTiger/LuaJIT-For-Windows/releases/latest

(Please install the latest version)

2.Copy the path of "bin" in the extracted LuaJIT file, select "path" in the user environment variables, create a new one, and paste the path into it.

(It is recommended to reinstall it once)

3. Run ▷luajit -v◁ in the command prompt, and if it displays correctly, then everything is fine.


「Actual operation video」


If you have any questions I will answer as best I can.
Author
PimonTV
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