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media-source-switcher.lua
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media-source-switcher.lua
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-- Open Broadcaster Software®️
-- OBS > Tools > Scripts
--
-- 30/03/2021 14:52 @midnight-studios
--
-- Globals
obs = obslua
disable_script = false
visible_index = 1
switch_delay_ms = 0
current_source_name = ''
target_name = ''
last_state = obs.OBS_MEDIA_STATE_NONE
--
-- Just a tool
-- If testing and log event writing is needed
--
--
--
local function log(name, msg)
if msg ~= nil then
msg = " > " .. tostring(msg)
else
msg = ""
end
obs.script_log(obs.LOG_DEBUG, name .. msg)
end
--
-- OBS Script Description
-- Displayed in the User Interface
--
--
--
function script_description()
return "Cycle visibility of Scene Items (Sources).\n\nWhen the source Media End it will switch to the next Scene Item (Source)"
end
--
-- Settings
-- Displayed in the User Interface
--
--
--
function script_properties()
local props = obs.obs_properties_create()
--obs_properties_add_list(obs_properties_t, name, description, type, format)
local scene_list = obs.obs_properties_add_list(props, "target_name", "Scene:", obs.OBS_COMBO_TYPE_EDITABLE, obs.OBS_COMBO_FORMAT_STRING)
obs.obs_property_list_add_string(scene_list, "Select", "select")
local scenenames = obs.obs_frontend_get_scene_names()
if scenenames ~= nil then
for _, scenename in ipairs(scenenames) do
obs.obs_property_list_add_string(scene_list, scenename, scenename)
end
end
local a_prop = obs.obs_properties_add_int(props, "switch_delay_ms", "Delay (ms)", 1, 3600000, 1000)
--obs.obs_property_set_description(prop, "Delay for switching from one source to the next.")
obs.obs_properties_add_bool(props, "disable_script", "Disable Script")
return props
end
--
--
--
--
--
--
function script_update(settings)
disable_script = obs.obs_data_get_bool(settings,"disable_script")
target_name = obs.obs_data_get_string(settings, "target_name")
switch_delay_ms = obs.obs_data_get_int(settings, "switch_delay_ms")
obs.timer_remove(switch_source)
activate(true)
end
--
--
--
--
--
--
function activate(activating)
obs.timer_remove(switch_source)
if activating then
local source = obs.obs_get_source_by_name(target_name)
if source == nil then
return
end
obs.obs_source_release(source)
hide_all()
obs.timer_add(switch_source, switch_delay_ms)
end
end
--
--
--
--
--
--
function group_loop(diff)
local scenes = obs.obs_frontend_get_scenes()
if scenes ~= nil then
for _, scenesource in ipairs(scenes) do
local scene_name = obs.obs_source_get_name(scenesource)
local scene = obs.obs_scene_from_source(scenesource)
local sceneitems = obs.obs_scene_enum_items(scene)
local maxindex = 0
local index = 1
for i, sceneitem in ipairs(sceneitems) do
local source = obs.obs_sceneitem_get_source(sceneitem)
local source_name = obs.obs_source_get_name(source)
local enable = (index == visible_index)
if scene_name == target_name and scene_name ~= source_name then
obs.obs_sceneitem_set_visible(sceneitem, enable)
if obs.obs_sceneitem_visible(sceneitem) then
local item_source = obs.obs_sceneitem_get_source(sceneitem)
current_source_name = obs.obs_source_get_name(item_source)
end
maxindex = index
index = index + 1
else
if sourcename == target_name then
if group ~= nil then
local groupitems = obs.obs_scene_enum_items(group)
for j, groupitem in ipairs(groupitems) do
if obs.obs_sceneitem_visible(groupitem) then
local item_source = obs.obs_sceneitem_get_source(groupitem)
current_source_name = obs.obs_source_get_name(item_source)
end
maxindex = index
index = index + 1
end
obs.sceneitem_list_release(groupitems)
else
if scene_name == target_name and scene_name ~= source_name then
if obs.obs_sceneitem_visible(groupitem) then
local item_source = obs.obs_sceneitem_get_source(groupitem)
current_source_name = obs.obs_source_get_name(item_source)
end
maxindex = index
index = index + 1
end
end -- end else
visible_index = visible_index + 1
if visible_index > maxindex then
visible_index = 1
end
end
end
end
obs.obs_source_release(item_source)
obs.obs_source_release(source)
obs.sceneitem_list_release(sceneitems)
if scene_name == target_name then
visible_index = visible_index + diff
if visible_index > maxindex then
visible_index = 1
elseif visible_index < 1 then
visible_index = maxindex
end
end
end
obs.source_list_release(scenes)
end
end
--
--
--
--
--
--
function script_tick(seconds)
if disable_script then
return
end
if target_name == "select" or target_name == "" then
return
end
local source = obs.obs_get_source_by_name(current_source_name)
if source ~= nil then
local state = obs.obs_source_media_get_state(source)
if last_state ~= state then
last_state = state
if state == obs.OBS_MEDIA_STATE_STOPPED or state == obs.OBS_MEDIA_STATE_ENDED then
obs.timer_add(switch_source, switch_delay_ms)
end
end
end
obs.obs_source_release(source)
end
--
--
--
--
--
--
function switch_source()
obs.timer_remove(switch_source)
group_loop(1)
end
--
--
--
--
--
--
function hide_all()
local scenes = obs.obs_frontend_get_scenes()
if scenes ~= nil then
for _, scenesource in ipairs(scenes) do
local scene_name = obs.obs_source_get_name(scenesource)
local scene = obs.obs_scene_from_source(scenesource)
local sceneitems = obs.obs_scene_enum_items(scene)
for i, sceneitem in ipairs(sceneitems) do
if scene_name == target_name then
obs.obs_sceneitem_set_visible(sceneitem, false)
else
local source = obs.obs_sceneitem_get_source(sceneitem)
local group = obs.obs_group_from_source(source)
local groupitems = obs.obs_scene_enum_items(group)
for j, groupitem in ipairs(groupitems) do
obs.obs_sceneitem_set_visible(groupitem, false)
end
obs.sceneitem_list_release(groupitems)
end
end
obs.sceneitem_list_release(sceneitems)
end
obs.source_list_release(scenes)
end
end
--
--
--
--
--
--
function script_defaults(settings)
obs.obs_data_set_default_int(settings, "switch_delay_ms", 1000)
obs.obs_data_set_default_string(settings, "target_name", "Select")
end
--
--
--
--
--
--
function script_save(settings)
end
--
--
--
--
--
--
function script_load(settings)
end
--
--
--
--
--
--
function script_unload()
end