Commit: fa5e141114980e0ac6edd86a0467f74354ee9d53 Parent: 76710dd74a7ad770ac61f9c44c42df387ed9d74b Author: Ren Tatsumoto Date: Fri, 24 Sep 2021 17:07:58 +0300 add config manager Diffstat:
| A | config.lua | | | 119 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
1 file changed, 119 insertions(+), 0 deletions(-)
diff --git a/config.lua b/config.lua @@ -0,0 +1,119 @@ +local mpopt = require('mp.options') +local initial_config = {} +local default_profile_filename = 'subs2srs' +local profiles_filename = 'subs2srs_profiles' + +local config, profiles + +local function is_empty(var) + return var == nil or var == '' or (type(var) == 'table' and next(var) == nil) +end + +local function set_audio_format() + if config.audio_format == 'opus' then + config.audio_codec = 'libopus' + config.audio_extension = '.ogg' + else + config.audio_codec = 'libmp3lame' + config.audio_extension = '.mp3' + end +end + +local function set_video_format() + if config.snapshot_format == 'webp' then + config.snapshot_extension = '.webp' + config.snapshot_codec = 'libwebp' + else + config.snapshot_extension = '.jpg' + config.snapshot_codec = 'mjpeg' + end +end + +local function ensure_in_range(dimension) + config[dimension] = config[dimension] < 42 and -2 or config[dimension] + config[dimension] = config[dimension] > 640 and 640 or config[dimension] +end + +local function conditionally_set_defaults(width, height, quality) + if config[width] < 1 and config[height] < 1 then + config[width] = -2 + config[height] = 200 + end + if config[quality] < 0 or config[quality] > 100 then + config[quality] = 15 + end +end + +local function check_image_settings() + ensure_in_range('snapshot_width') + ensure_in_range('snapshot_height') + conditionally_set_defaults('snapshot_width', 'snapshot_height', 'snapshot_quality') +end + +local function validate_config() + set_audio_format() + set_video_format() + check_image_settings() +end + +local function load_profile(profile_name) + if is_empty(profile_name) then + profile_name = profiles.active + if is_empty(profile_name) then + profile_name = default_profile_filename + end + end + mpopt.read_options(config, profile_name) +end + +local function save_initial_config() + for key, value in pairs(config) do + initial_config[key] = value + end +end + +local function restore_initial_config() + for key, value in pairs(initial_config) do + config[key] = value + end +end + +local function next_profile() + local first, next, new + for profile in string.gmatch(profiles.profiles, '[^,]+') do + if not first then + first = profile + end + if profile == profiles.active then + next = true + elseif next then + next = false + new = profile + end + end + if next == true or not new then + new = first + end + profiles.active = new + restore_initial_config() + load_profile(profiles.active) + validate_config() +end + +local function init(config_table, profiles_table) + config, profiles = config_table, profiles_table + -- 'subs2srs' is the main profile, it is always loaded. + -- 'active profile' overrides it afterwards. + mpopt.read_options(profiles, profiles_filename) + load_profile(default_profile_filename) + save_initial_config(config) + if profiles.active ~= default_profile_filename then + load_profile(profiles.active) + end + validate_config() +end + +return { + init = init, + next_profile = next_profile, +}