120 lines
3.1 KiB
Lua
120 lines
3.1 KiB
Lua
local mpopt = require('mp.options')
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local initial_config = {}
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local default_profile_filename = 'subs2srs'
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local profiles_filename = 'subs2srs_profiles'
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local config, profiles
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local function is_empty(var)
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return var == nil or var == '' or (type(var) == 'table' and next(var) == nil)
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end
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local function set_audio_format()
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if config.audio_format == 'opus' then
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config.audio_codec = 'libopus'
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config.audio_extension = '.ogg'
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else
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config.audio_codec = 'libmp3lame'
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config.audio_extension = '.mp3'
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end
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end
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local function set_video_format()
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if config.snapshot_format == 'webp' then
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config.snapshot_extension = '.webp'
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config.snapshot_codec = 'libwebp'
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else
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config.snapshot_extension = '.jpg'
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config.snapshot_codec = 'mjpeg'
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end
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end
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local function ensure_in_range(dimension)
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config[dimension] = config[dimension] < 42 and -2 or config[dimension]
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config[dimension] = config[dimension] > 640 and 640 or config[dimension]
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end
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local function conditionally_set_defaults(width, height, quality)
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if config[width] < 1 and config[height] < 1 then
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config[width] = -2
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config[height] = 200
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end
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if config[quality] < 0 or config[quality] > 100 then
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config[quality] = 15
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end
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end
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local function check_image_settings()
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ensure_in_range('snapshot_width')
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ensure_in_range('snapshot_height')
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conditionally_set_defaults('snapshot_width', 'snapshot_height', 'snapshot_quality')
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end
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local function validate_config()
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set_audio_format()
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set_video_format()
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check_image_settings()
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end
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local function load_profile(profile_name)
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if is_empty(profile_name) then
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profile_name = profiles.active
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if is_empty(profile_name) then
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profile_name = default_profile_filename
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end
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end
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mpopt.read_options(config, profile_name)
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end
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local function save_initial_config()
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for key, value in pairs(config) do
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initial_config[key] = value
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end
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end
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local function restore_initial_config()
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for key, value in pairs(initial_config) do
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config[key] = value
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end
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end
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local function next_profile()
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local first, next, new
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for profile in string.gmatch(profiles.profiles, '[^,]+') do
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if not first then
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first = profile
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end
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if profile == profiles.active then
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next = true
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elseif next then
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next = false
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new = profile
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end
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end
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if next == true or not new then
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new = first
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end
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profiles.active = new
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restore_initial_config()
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load_profile(profiles.active)
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validate_config()
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end
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local function init(config_table, profiles_table)
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config, profiles = config_table, profiles_table
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-- 'subs2srs' is the main profile, it is always loaded.
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-- 'active profile' overrides it afterwards.
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mpopt.read_options(profiles, profiles_filename)
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load_profile(default_profile_filename)
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save_initial_config(config)
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if profiles.active ~= default_profile_filename then
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load_profile(profiles.active)
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end
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validate_config()
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end
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return {
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init = init,
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next_profile = next_profile,
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}
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