246 lines
9.1 KiB
Lua
246 lines
9.1 KiB
Lua
--[[
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Copyright: Ren Tatsumoto and contributors
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License: GNU GPL, version 3 or later; http://www.gnu.org/licenses/gpl.html
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Encoder provides interface for creating audio/video clips.
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]]
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local mp = require('mp')
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local h = require('helpers')
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local utils = require('mp.utils')
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local this = {}
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local function toms(timestamp)
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--- Trim timestamp down to milliseconds.
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return string.format("%.3f", timestamp)
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end
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local function clean_filename(filename)
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filename = h.remove_extension(filename)
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if this.config.clean_filename then
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filename = h.remove_text_in_brackets(filename)
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filename = h.remove_special_characters(filename)
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-- remove_text_in_brackets might leave spaces at the start or the end, so trim those
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filename = h.strip(filename)
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end
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return filename
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end
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local function clean_forbidden_characters(title)
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return title:gsub('[<>:"/\\|%?%*]+', '.')
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end
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local function construct_output_filename_noext()
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local filename = mp.get_property("filename") -- filename without path
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local title = mp.get_property("media-title") -- if the video doesn't have a title, it will fallback to filename
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local date = os.date("*t") -- get current date and time as table
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-- Apply the same operation when the video doesn't have a title
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-- thus it will be the same as filename
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if title == filename then
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filename = clean_filename(filename)
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title = filename
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else
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filename = clean_filename(filename)
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title = clean_forbidden_characters(title)
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end
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-- Available tags: %n = filename, %t = title, %s = start, %e = end, %d = duration,
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-- %Y = year, %M = months, %D = day, %H = hours (24), %I = hours (12),
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-- %P = am/pm %N = minutes, %S = seconds
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filename = this.config.filename_template
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:gsub("%%n", filename)
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:gsub("%%t", title)
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:gsub("%%s", h.human_readable_time(this.timings['start']))
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:gsub("%%e", h.human_readable_time(this.timings['end']))
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:gsub("%%d", h.human_readable_time(this.timings['end'] - this.timings['start']))
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:gsub("%%Y", date.year)
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:gsub("%%M", h.two_digit(date.month))
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:gsub("%%D", h.two_digit(date.day))
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:gsub("%%H", h.two_digit(date.hour))
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:gsub("%%I", h.two_digit(h.twelve_hour(date.hour)['hour']))
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:gsub("%%P", h.twelve_hour(date.hour)['sign'])
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:gsub("%%N", h.two_digit(date.min))
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:gsub("%%S", h.two_digit(date.sec))
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return filename
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end
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function this.get_ext_subs_paths()
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local track_list = mp.get_property_native('track-list')
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local external_subs_list = {}
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for _, track in pairs(track_list) do
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if track.type == 'sub' and track.external == true then
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external_subs_list[track.id] = track['external-filename']
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end
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end
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return external_subs_list
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end
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function this.append_embed_subs_args(args)
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local ext_subs_paths = this.get_ext_subs_paths()
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for _, ext_subs_path in pairs(ext_subs_paths) do
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table.insert(args, #args, table.concat { '--sub-files-append=', ext_subs_path, })
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end
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return args
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end
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this.mk_out_path_video = function(clip_filename_noext)
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return utils.join_path(h.expand_path(this.config.video_folder_path), clip_filename_noext .. this.config.video_extension)
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end
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this.mkargs_video = function(out_clip_path)
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local args = {
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this.player,
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mp.get_property('path'),
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'--loop-file=no',
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'--keep-open=no',
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'--no-ocopy-metadata',
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'--no-sub',
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'--audio-channels=2',
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'--oacopts-add=vbr=on',
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'--oacopts-add=application=voip',
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'--oacopts-add=compression_level=10',
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'--vf-add=format=yuv420p',
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'--sub-font-provider=auto',
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'--embeddedfonts=yes',
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table.concat { '--sub-font=', this.config.sub_font },
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table.concat { '--ovc=', this.config.video_codec },
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table.concat { '--oac=', this.config.audio_codec },
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table.concat { '--start=', toms(this.timings['start']) },
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table.concat { '--end=', toms(this.timings['end']) },
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table.concat { '--aid=', mp.get_property("aid") }, -- track number
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table.concat { '--mute=', mp.get_property("mute") },
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table.concat { '--volume=', mp.get_property('volume') },
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table.concat { '--ovcopts-add=b=', this.config.video_bitrate },
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table.concat { '--oacopts-add=b=', this.config.audio_bitrate },
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table.concat { '--ovcopts-add=crf=', this.config.video_quality },
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table.concat { '--ovcopts-add=preset=', this.config.preset },
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table.concat { '--vf-add=scale=', this.config.video_width, ':', this.config.video_height },
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table.concat { '--ytdl-format=', mp.get_property("ytdl-format") },
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table.concat { '--o=', out_clip_path },
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table.concat { '--sid=', mp.get_property("sid") },
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table.concat { '--secondary-sid=', mp.get_property("secondary-sid") },
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table.concat { '--sub-delay=', mp.get_property("sub-delay") },
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table.concat { '--sub-visibility=', mp.get_property("sub-visibility") },
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table.concat { '--secondary-sub-visibility=', mp.get_property("secondary-sub-visibility") },
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table.concat { '--sub-back-color=', mp.get_property("sub-back-color") },
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table.concat { '--sub-border-style=', mp.get_property("sub-border-style") },
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}
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if this.config.video_fps ~= 'auto' then
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table.insert(args, #args, table.concat { '--vf-add=fps=', this.config.video_fps })
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end
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args = this.append_embed_subs_args(args)
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return args
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end
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this.mk_out_path_audio = function(clip_filename_noext)
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return utils.join_path(h.expand_path(this.config.audio_folder_path), clip_filename_noext .. this.config.audio_extension)
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end
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this.mkargs_audio = function(out_clip_path)
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return {
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this.player,
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mp.get_property('path'),
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'--loop-file=no',
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'--keep-open=no',
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'--no-ocopy-metadata',
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'--no-sub',
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'--audio-channels=2',
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'--video=no',
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'--oacopts-add=vbr=on',
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'--oacopts-add=application=voip',
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'--oacopts-add=compression_level=10',
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table.concat { '--oac=', this.config.audio_codec },
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table.concat { '--start=', toms(this.timings['start']) },
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table.concat { '--end=', toms(this.timings['end']) },
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table.concat { '--volume=', mp.get_property('volume') },
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table.concat { '--aid=', mp.get_property("aid") }, -- track number
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table.concat { '--oacopts-add=b=', this.config.audio_bitrate },
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table.concat { '--ytdl-format=', mp.get_property("ytdl-format") },
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table.concat { '--o=', out_clip_path }
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}
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end
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this.create_clip = function(clip_type, on_complete)
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if clip_type == nil then
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return
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end
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if not this.timings:validate() then
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h.notify_error("Wrong timings. Aborting.", "warn", 2)
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return
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end
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h.notify("Please wait...", "info", 9999)
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local output_file_path, args = (function()
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local clip_filename_noext = construct_output_filename_noext()
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if clip_type == 'video' then
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local output_path = this.mk_out_path_video(clip_filename_noext)
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return output_path, this.mkargs_video(output_path)
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else
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local output_path = this.mk_out_path_audio(clip_filename_noext)
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return output_path, this.mkargs_audio(output_path)
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end
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end)()
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print("The following args will be executed:", table.concat(h.quote_if_necessary(args), " "))
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local output_dir_path = utils.split_path(output_file_path)
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local location_info = utils.file_info(output_dir_path)
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if not location_info or not location_info.is_dir then
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h.notify_error(string.format("Error: location %s doesn't exist.", output_dir_path), "error", 5)
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return
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end
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local process_result = function(_, ret, _)
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if ret.status ~= 0 or string.match(ret.stdout, "could not open") then
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h.notify_error(string.format("Error: couldn't create clip %s.", output_file_path), "error", 5)
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else
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h.notify(string.format("Clip saved to %s.", output_file_path), "info", 2)
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if on_complete then
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on_complete(output_file_path)
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end
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end
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end
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h.subprocess_async(args, process_result)
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this.timings:reset()
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end
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this.set_encoder_alive = function()
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local args_mpvnet = { 'mpvnet', '--version' }
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local process_result_mpvnet = function(_, ret, _)
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-- for some reason stdout is empty
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if ret.status ~= 0 then
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this.alive = false
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else
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this.alive = true
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this.player = 'mpvnet'
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end
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end
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local args = { 'mpv', '--version' }
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local process_result = function(_, ret, _)
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if ret.status ~= 0 or string.match(ret.stdout, "mpv") == nil then
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h.subprocess_async(args_mpvnet, process_result_mpvnet)
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else
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this.alive = true
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this.player = 'mpv'
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end
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end
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h.subprocess_async(args, process_result)
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end
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this.init = function(config, timings_mgr)
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this.config = config
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this.timings = timings_mgr
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this.set_encoder_alive()
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end
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return this
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