Added patch to optimize WebM files

patches/optimize-all-webm-files/optimize-all-webm-files.go

@@ -0,0 +1,90 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"os/exec"
+	"path"
+	"path/filepath"
+	"strings"
+
+	"github.com/animenotifier/arn"
+	"github.com/fatih/color"
+)
+
+func main() {
+	color.Yellow("Optimizing all webm files in notify.moe AMV directory for fast streaming & seeking")
+	color.Yellow("DO NOT RUN THIS COMMAND MULTIPLE TIMES")
+	defer color.Green("Finished")
+
+	readFiles(path.Join(arn.Root, "videos", "amvs"), mkclean)
+}
+
+// Optimize a webm file
+func mkclean(file string) error {
+	fmt.Println(file)
+	optimizedFile := file + ".optimized"
+
+	// Run mkclean
+	cmd := exec.Command(
+		"mkclean",
+		"--doctype", "4",
+		"--keep-cues",
+		"--optimize",
+		file,
+		optimizedFile,
+	)
+
+	// View mkclean output in terminal
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	cmd.Stdin = os.Stdin
+
+	err := cmd.Start()
+
+	if err != nil {
+		return err
+	}
+
+	err = cmd.Wait()
+
+	if err != nil {
+		return err
+	}
+
+	// Now delete the original file and replace it with the optimized file
+	err = os.Remove(file)
+
+	if err != nil {
+		return err
+	}
+
+	return os.Rename(optimizedFile, file)
+}
+
+// Read files in a given directory and apply a function on them
+func readFiles(root string, onFile func(string) error) {
+	filepath.Walk(root, func(name string, info os.FileInfo, err error) error {
+		if err != nil {
+			color.Red(err.Error())
+			return err
+		}
+
+		if info.IsDir() {
+			return nil
+		}
+
+		if !strings.HasSuffix(name, ".webm") {
+			return nil
+		}
+
+		err = onFile(name)
+
+		if err != nil {
+			color.Red(err.Error())
+		}
+
+		// Always continue traversing the directory
+		return nil
+	})
+}