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--- @since 25.12.29
local M = {}
local audio_ffprobe = function(file)
-- stylua: ignore
local cmd = Command('ffprobe'):arg {
'-v', 'quiet',
'-show_entries', 'stream_tags:format:stream',
'-of', 'json=c=1',
file.name
}
local output, err = cmd:output()
if not output then
return {}, Err('Failed to start `ffprobe`, error: %s', err)
end
local json = ya.json_decode(output.stdout)
if not json then
return nil, Err('Failed to decode `ffprobe` output: %s', output.stdout)
elseif type(json) ~= 'table' then
return nil, Err('Invalid `ffprobe` output: %s', output.stdout)
end
ya.dbg(json)
local audio_stream = json.streams[1]
local tags = json.format.tags or audio_stream.tags or audio_stream
local duration = json.format.duration
if duration then
duration = tonumber(duration)
duration = string.format('%d:%02d', math.floor(duration / 60), math.floor(duration % 60))
end
local data = {}
local title, album, aar, ar =
tags.TITLE or tags.title or '',
tags.ALBUM or tags.album or '',
tags.ALBUM_ARTIST or tags.album_artist or '',
tags.ARTIST or tags.artist or ''
if title .. album .. ar .. aar ~= '' then
local img_stream = json.streams[2]
local date = tags.DATE or tags.date or ''
local c = ''
local artist = ar
if tags.ORIGINALDATE and tags.ORIGINALDATE ~= '' then
date = date .. ' / ' .. tags.ORIGINALDATE
end
if (aar ~= '') and (aar ~= ar) then
artist = artist .. ' / ' .. aar
end
if img_stream then
c = img_stream.codec_name .. ' ' .. img_stream.width .. 'x' .. img_stream.height
end
data = {
ui.Line(string.format('%s - %s', artist, title)),
ui.Line(string.format('%s: %s', 'Duration', duration)),
ui.Line(string.format('%s: %s', 'Album', album)),
ui.Line(string.format('%s: %s', 'Genre', tags.GENRE or tags.genre or 'No genre')),
ui.Line(string.format('%s: %s', 'Date', date)),
c ~= '' and ui.Line(string.format('%s: %s', 'Cover art', c)) or nil,
}
end
local bd = audio_stream.bits_per_raw_sample or '1'
local sr = audio_stream.sample_rate
if sr then
sr = string.format('%.1fkhz', sr / 1000)
end
local br = tonumber((audio_stream.bit_rate or json.format.bit_rate or 0) // 1000) .. ' kb/s'
ya.dbg(bd, sr)
for _, item in ipairs({
'',
'# Specs',
string.format('%s: %s', 'Format', json.format.format_name),
string.format('%s: %sbit / %s', 'Quality', bd, sr),
string.format('%s: %s', 'BitRate', br),
string.format('%s: %s', 'Channels', tostring(audio_stream.channels or '?')),
}) do
data[#data + 1] = ui.Line(item)
end
return data
end
function M:peek(job)
local start, cache = os.clock(), ya.file_cache(job)
local ok, err = self:preload(job)
local img_area
if cache and fs.cha(cache) then
ya.sleep(math.max(0, rt.preview.image_delay / 1000 + start - os.clock()))
img_area, err = ya.image_show(cache, job.area)
end
ya.preview_widget(job, {
ui.Text(audio_ffprobe(job.file)):area(ui.Rect {
x = job.area.x,
y = job.area.y + (img_area and img_area.h or 0),
w = job.area.w,
h = job.area.h,
}),
})
end
function M:seek(job) end
function M:preload(job)
local cache = ya.file_cache(job)
if not cache then
return true
end
local cha = fs.cha(cache)
if cha and cha.len > 0 then
return true
end
-- stylua: ignore
local output, err = Command('ffmpeg')
:arg({
'-hide_banner',
'-loglevel', 'warning',
'-i', tostring(job.file.url),
'-an',
-- '-vcodec', 'copy',
string.format('%s.jpg', cache),
})
:stderr(Command.PIPED)
:output()
if not output then
return true, Err('Failed to start `ffmpeg`, error: %s', err)
elseif not output.status.success then
return true, Err('Failed to get image, stderr: %s', output.stderr)
end
local ok, err = os.rename(string.format('%s.jpg', cache), tostring(cache))
if ok then
return true
else
return true, Err('Failed to rename: %s', err)
end
end
return M
|
