initial dotfiles

.config/yazi/plugins/audio-preview.yazi/main.lua

@@ -0,0 +1,63 @@
+local M = {}
+
+function M:peek(job)
+	local start, cache = os.clock(), ya.file_cache(job)
+	if not cache or self:preload() ~= 1 then
+		return
+	end	
+	ya.sleep(math.max(0, 0.1 + start - os.clock()))
+	ya.image_show(cache, job.area)
+	ya.preview_widgets(job, {})
+end
+
+
+function M:seek(job, units)
+	local h = cx.active.current.hovered
+	if h and h.url == job.file.url then
+		local step = ya.clamp(-1, units, 1)
+		ya.manager_emit("peek", { math.max(0, cx.active.preview.skip + step), only_if = job.file.url })
+	end
+end
+
+function M:preload(job)
+    ya.dbg("Preloading audio-preview ***")
+	if not job then
+		return 1
+	end
+	
+	local percentage = 5 + job.skip
+	if percentage > 95 then
+		ya.manager_emit("peek", { 90, only_if = job.file.url, upper_bound = true })
+		return 2
+	end
+	local cache = ya.file_cache(job)
+	if not cache then
+		return 1
+	end
+
+	local cha = fs.cha(cache)
+	if cha and cha.len > 0 then
+		return 1
+	end
+
+    -- generate image
+	ya.err("Calling sox for: " .. tostring(job.file.url) .. ", cache: " .. tostring(cache))
+	local child, code = Command("sox")
+		:arg({tostring(job.file.url),
+		     "-n", "trim", "0:00", "1:00",
+		     "remix", "1",
+		     "rate", "12k",
+		     "spectrogram",
+		     "-o", tostring(cache)})
+		:spawn()
+
+	if not child then
+		ya.err("spawn `sox` command returns " .. tostring(code))
+		return 0
+	end
+
+	local status = child:wait()
+	return status and status.success and 1 or 2
+end
+
+return M