112 lines
2.3 KiB
Lua
112 lines
2.3 KiB
Lua
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local skip_labels = {
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["Complete name"] = true,
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["CompleteName_Last"] = true,
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["Unique ID"] = true,
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["File size"] = true,
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["Format/Info"] = true,
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["Codec ID/Info"] = true,
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["MD5 of the unencoded content"] = true,
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}
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local M = {}
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function M:peek()
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local image_height = 0
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if self:preload() == 1 then
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local cache = ya.file_cache(self)
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if cache and fs.cha(cache).length > 0 then
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image_height = ya.image_show(cache, self.area).h
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end
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end
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local cmd = "mediainfo"
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local output, code = Command(cmd)
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:args({ tostring(self.file.url) })
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:stdout(Command.PIPED)
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:output()
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local lines = {}
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if output then
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local i = 0
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for str in output.stdout:gmatch("[^\n]*") do
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local label, value = str:match("(.*[^ ]) +: (.*)")
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local line
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if label then
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if not skip_labels[label] then
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line = ui.Line({
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ui.Span(label .. ": "):bold(),
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ui.Span(value),
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})
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end
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elseif str ~= "General" then
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line = ui.Line({ ui.Span(str):underline() })
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end
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if line then
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if i >= self.skip then
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table.insert(lines, line)
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end
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local max_width = math.max(1, self.area.w - 3)
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i = i + math.max(1, math.ceil(line:width() / max_width))
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end
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end
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else
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local error = string.format("Spawn `%s` command returns %s", cmd, code)
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table.insert(lines, ui.Line(error))
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end
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ya.preview_widgets(self, {
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ui.Paragraph(
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ui.Rect({
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x = self.area.x,
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y = self.area.y + image_height,
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w = self.area.w,
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h = self.area.h - image_height,
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}),
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lines
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):wrap(ui.Paragraph.WRAP),
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})
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end
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function M:seek(units)
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local h = cx.active.current.hovered
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if h and h.url == self.file.url then
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local step = math.floor(units * self.area.h / 10)
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ya.manager_emit("peek", {
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math.max(0, cx.active.preview.skip + step),
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only_if = self.file.url,
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})
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end
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end
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function M:preload()
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local cache = ya.file_cache(self)
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if not cache or fs.cha(cache) then
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return 1
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end
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local cmd = "ffmpegthumbnailer"
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local child, code = Command(cmd):args({
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"-q", "6",
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"-c", "jpeg",
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"-i", tostring(self.file.url),
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"-o", tostring(cache),
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"-t", "5",
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"-s", tostring(PREVIEW.max_width),
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}):spawn()
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if not child then
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ya.err(string.format("spawn `%s` command returns %s", cmd, code))
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return 0
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end
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local status = child:wait()
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return status and status.success and 1 or 2
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end
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return M
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