frontend-tools: Add "instant replay" script
A script that plays back the last replay buffer in the specified media source.
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obs = obslua
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source_name = ""
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hotkey_id = obs.OBS_INVALID_HOTKEY_ID
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----------------------------------------------------------
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-- The "Play Last Replay Buffer" hotkey callback
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function play(pressed)
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if not pressed then
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return
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end
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local replay_buffer = obs.obs_frontend_get_replay_buffer_output()
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if replay_buffer == nil then
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return
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end
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local ph = obs.obs_output_get_proc_handler(replay_buffer)
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-- Call the procedure of the replay buffer named "get_last_replay" to
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-- get the last replay created by the replay buffer
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local cd = obs.calldata_create()
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obs.proc_handler_call(ph, "get_last_replay", cd)
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local path = obs.calldata_string(cd, "path")
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obs.calldata_destroy(cd)
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-- If the path is valid and the source exists, update it with the
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-- replay file to play back the replay
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if path ~= nil then
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local source = obs.obs_get_source_by_name(source_name)
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if source ~= nil then
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local settings = obs.obs_data_create()
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obs.obs_data_set_string(settings, "local_file", path)
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obs.obs_data_set_bool(settings, "is_local_file", true)
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obs.obs_data_set_bool(settings, "close_when_inactive", true)
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obs.obs_data_set_bool(settings, "restart_on_activate", true)
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-- updating will automatically cause the source to
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-- refresh if the source is currently active, otherwise
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-- the source will play whenever its scene is activated
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obs.obs_source_update(source, settings)
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obs.obs_data_release(settings)
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obs.obs_source_release(source)
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end
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end
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obs.obs_output_release(replay_buffer)
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end
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----------------------------------------------------------
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-- A function named script_update will be called when settings are changed
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function script_update(settings)
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source_name = obs.obs_data_get_string(settings, "source")
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end
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-- A function named script_description returns the description shown to
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-- the user
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function script_description()
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return "Plays the last replay buffer in the specified media source when the user presses a hotkey.\n\nMade by Jim"
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end
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-- A function named script_properties defines the properties that the user
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-- can change for the entire script module itself
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function script_properties()
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props = obs.obs_properties_create()
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local p = obs.obs_properties_add_list(props, "source", "Media Source", obs.OBS_COMBO_TYPE_EDITABLE, obs.OBS_COMBO_FORMAT_STRING)
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local sources = obs.obs_enum_sources()
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if sources ~= nil then
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for _, source in ipairs(sources) do
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source_id = obs.obs_source_get_id(source)
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if source_id == "ffmpeg_source" then
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local name = obs.obs_source_get_name(source)
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obs.obs_property_list_add_string(p, name, name)
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end
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end
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end
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obs.source_list_release(sources)
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return props
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end
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-- A function named script_load will be called on startup
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function script_load(settings)
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hotkey_id = obs.obs_hotkey_register_frontend("instant_replay.play", "Play Last Replay Buffer", play)
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local hotkey_save_array = obs.obs_data_get_array(settings, "instant_replay.play")
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obs.obs_hotkey_load(hotkey_id, hotkey_save_array)
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obs.obs_data_array_release(hotkey_save_array)
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end
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-- A function named script_save will be called when the script is saved
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--
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-- NOTE: This function is usually used for saving extra data (such as in this
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-- case, a hotkey's save data). Settings set via the properties are saved
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-- automatically.
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function script_save(settings)
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local hotkey_save_array = obs.obs_hotkey_save(hotkey_id)
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obs.obs_data_set_array(settings, "instant_replay.play", hotkey_save_array)
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obs.obs_data_array_release(hotkey_save_array)
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end
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