diff options
Diffstat (limited to 'config/mpv/scripts/subs2srsa/cfg_mgr.lua')
| -rw-r--r-- | config/mpv/scripts/subs2srsa/cfg_mgr.lua | 240 |
1 files changed, 0 insertions, 240 deletions
diff --git a/config/mpv/scripts/subs2srsa/cfg_mgr.lua b/config/mpv/scripts/subs2srsa/cfg_mgr.lua deleted file mode 100644 index 076c0d9..0000000 --- a/config/mpv/scripts/subs2srsa/cfg_mgr.lua +++ /dev/null @@ -1,240 +0,0 @@ ---[[ -Copyright: Ren Tatsumoto and contributors -License: GNU GPL, version 3 or later; http://www.gnu.org/licenses/gpl.html - -Config management, validation, loading. -]] - -local mp = require('mp') -local mpopt = require('mp.options') -local msg = require('mp.msg') -local h = require('helpers') -local utils = require('mp.utils') - -local min_side_px = 42 -local max_side_px = 640 -local default_height_px = 200 - --- This constant should be used in place of width and/or height in the config file. --- It tells the encoder to preserve aspect ratio when downscaling snapshots. --- The user almost always wants to set either width or height to this value. --- Note: If set to -1, encoding will fail with the "height/width not divisible by 2" error. -local preserve_aspect_ratio = -2 - -local self = { - config = nil, - profiles = nil, - initial_config = {} -} - -local default_profile_filename = 'subs2srs' -local profiles_filename = 'subs2srs_profiles' - -local function set_file_extension_for_opus() - -- Default to OGG, then change if an extension is supported. - -- https://en.wikipedia.org/wiki/Core_Audio_Format - self.config.audio_extension = '.ogg' - for _, extension in ipairs({ 'opus', 'm4a', 'webm', 'caf' }) do - if extension == self.config.opus_container then - self.config.audio_extension = '.' .. self.config.opus_container - break - end - end -end - -local function set_audio_format() - if self.config.audio_format == 'opus' then - -- https://opus-codec.org/ - self.config.audio_codec = 'libopus' - set_file_extension_for_opus() - else - self.config.audio_codec = 'libmp3lame' - self.config.audio_extension = '.mp3' - end -end - -local function set_video_format() - if self.config.snapshot_format == 'avif' then - self.config.snapshot_extension = '.avif' - self.config.snapshot_codec = 'libaom-av1' - elseif self.config.snapshot_format == 'webp' then - self.config.snapshot_extension = '.webp' - self.config.snapshot_codec = 'libwebp' - else - self.config.snapshot_extension = '.jpg' - self.config.snapshot_codec = 'mjpeg' - end - - -- Animated webp images can only have .webp extension. - -- The user has no choice on this. Same logic for avif. - if self.config.animated_snapshot_format == 'avif' then - self.config.animated_snapshot_extension = '.avif' - self.config.animated_snapshot_codec = 'libaom-av1' - else - self.config.animated_snapshot_extension = '.webp' - self.config.animated_snapshot_codec = 'libwebp' - end -end - -local function ensure_in_range(dimension) - self.config[dimension] = self.config[dimension] < min_side_px and preserve_aspect_ratio or self.config[dimension] - self.config[dimension] = self.config[dimension] > max_side_px and max_side_px or self.config[dimension] -end - -local function conditionally_set_defaults(width, height, quality) - if self.config[width] < 1 and self.config[height] < 1 then - self.config[width] = preserve_aspect_ratio - self.config[height] = default_height_px - end - if self.config[quality] < 0 or self.config[quality] > 100 then - self.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 ensure_correct_fps() - if self.config.animated_snapshot_fps == nil or self.config.animated_snapshot_fps <= 0 or self.config.animated_snapshot_fps > 30 then - self.config.animated_snapshot_fps = 10 - end -end - -local function check_animated_snapshot_settings() - ensure_in_range('animated_snapshot_width') - ensure_in_range('animated_snapshot_height') - conditionally_set_defaults('animated_snapshot_width', 'animated_snapshot_height', 'animated_snapshot_quality') - ensure_correct_fps() -end - -local function validate_config() - set_audio_format() - set_video_format() - check_image_settings() - check_animated_snapshot_settings() -end - -local function remember_initial_config() - if h.is_empty(self.initial_config) then - for key, value in pairs(self.config) do - self.initial_config[key] = value - end - else - msg.fatal("Ignoring. Initial config has been read already.") - end -end - -local function restore_initial_config() - for key, value in pairs(self.initial_config) do - self.config[key] = value - end -end - -local function read_profile_list() - mpopt.read_options(self.profiles, profiles_filename) - msg.info("Read profile list. Defined profiles: " .. self.profiles.profiles) -end - -local function read_profile(profile_name) - mpopt.read_options(self.config, profile_name) - msg.info("Read config file: " .. profile_name) -end - -local function read_default_config() - read_profile(default_profile_filename) -end - -local function reload_from_disk() - --- Loads default config file (subs2srs.conf), then overwrites it with current profile. - if not h.is_empty(self.config) and not h.is_empty(self.profiles) then - restore_initial_config() - read_default_config() - if self.profiles.active ~= default_profile_filename then - read_profile(self.profiles.active) - end - validate_config() - else - msg.fatal("Attempt to load config when init hasn't been done.") - end -end - -local function next_profile() - local first, next, new - for profile in string.gmatch(self.profiles.profiles, '[^,]+') do - if not first then - first = profile - end - if profile == self.profiles.active then - next = true - elseif next then - next = false - new = profile - end - end - if next == true or not new then - new = first - end - self.profiles.active = new - reload_from_disk() -end - -local function create_config_file() - local name = default_profile_filename - -- ~/.config/mpv/scripts/ and the mpvacious dir - local parent, child = utils.split_path(mp.get_script_directory()) - -- ~/.config/mpv/ and "scripts" - parent, child = utils.split_path(parent:gsub("/$", "")) - -- ~/.config/mpv/script-opts/subs2srs.conf - local config_filepath = utils.join_path(utils.join_path(parent, "script-opts"), string.format('%s.conf', name)) - local example_config_filepath = utils.join_path(mp.get_script_directory(), ".github/RELEASE/subs2srs.conf") - - local file_info = utils.file_info(config_filepath) - if file_info and file_info.is_file then - print("config already exists") - return - end - - local handle = io.open(example_config_filepath, 'r') - if handle == nil then - return - end - - local content = handle:read("*a") - handle:close() - - handle = io.open(config_filepath, 'w') - if handle == nil then - h.notify(string.format("Couldn't open %s.", config_filepath), "error", 4) - return - end - - handle:write(string.format("# Written by %s on %s.\n", name, os.date())) - handle:write(content) - handle:close() - h.notify("Settings saved.", "info", 2) -end - -local function init(config_table, profiles_table) - create_config_file() - self.config, self.profiles = config_table, profiles_table - -- 'subs2srs' is the main profile, it is always loaded. 'active profile' overrides it afterwards. - -- initial state is saved to another table to maintain consistency when cycling through incomplete profiles. - read_profile_list() - read_default_config() - remember_initial_config() - if self.profiles.active ~= default_profile_filename then - read_profile(self.profiles.active) - end - validate_config() -end - -return { - reload_from_disk = reload_from_disk, - init = init, - next_profile = next_profile, - default_height_px = default_height_px, - preserve_aspect_ratio = preserve_aspect_ratio, -} |