Confirmed everything works on Windows.

config.json

@@ -31,7 +31,7 @@
   ],
   "CRF": 30,
   "FPS": 30,
-  "Input": "test_video.mp4",
+  "Input": "test*.mp4",
   "OutDir": "dash_test",
   "Passes": 1,
   "Dash": true,

go.mod

@@ -2,10 +2,7 @@ module lcthw.dev/go/vidcrunch
 
 go 1.24.2
 
-require (
-	github.com/modfy/fluent-ffmpeg v0.1.0
-	github.com/zencoder/go-dash v0.0.0-20201006100653-2f93b14912b2
-)
+require github.com/modfy/fluent-ffmpeg v0.1.0
 
 require (
 	github.com/fatih/structs v1.1.0 // indirect

go.sum

@@ -4,5 +4,3 @@ github.com/modfy/fluent-ffmpeg v0.1.0 h1:9T191rhSK6KfoDo9Y/+0Tph3khrudvLQEEi05O+
 github.com/modfy/fluent-ffmpeg v0.1.0/go.mod h1:GauXGqGYAmYFupCWG8n1eyuLZMKmLxGTGvszYkJ0Oyo=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
-github.com/zencoder/go-dash v0.0.0-20201006100653-2f93b14912b2 h1:0iAY2pL6yYhNYpdc1DbFq0p7ocyu5MlgKmkealhz3nk=
-github.com/zencoder/go-dash v0.0.0-20201006100653-2f93b14912b2/go.mod h1:c8Gxxfmh0jmZ6G+ISlpa315WBVkzd8mEhu6gN9mn5Qg=

main.go

@@ -15,7 +15,6 @@ import (
 	"os/exec"
 	"slices"
 	"iter"
-	"path"
 )
 
 func AudioOnly(codec config.CodecOpts) bool {
@@ -42,6 +41,7 @@ func ExtractBase(source_path string, outdir string) (string, string) {
 
 func SetCodecTarget(codec *config.CodecOpts, source_path string, encoding config.EncodeOpts) {
 	dir, base := ExtractBase(source_path, encoding.OutDir)
+
 	dot_or_dash := "."; if encoding.Dash { dot_or_dash = "/" }
 
 	if AudioOnly(*codec) {
@@ -52,6 +52,8 @@ func SetCodecTarget(codec *config.CodecOpts, source_path string, encoding config
 		renamed := fmt.Sprint(base, dot_or_dash, dim, ".", encoding.Format)
 		codec.Target = filepath.Join(dir, renamed)
 	}
+
+    codec.Target = filepath.ToSlash(codec.Target)
 }
 
 func Run(encoding config.EncodeOpts, codec config.CodecOpts, pass int, pid int, input string, output string) {
@@ -114,7 +116,7 @@ func Run(encoding config.EncodeOpts, codec config.CodecOpts, pass int, pid int,
 		Overwrite(true).
 		Build()
 
-	fmt.Println(">", cmd.String())
+	fmt.Println("====== FFMPEG ======\n", cmd.String(), "\n============")
 
 	err := cmd.Run()
 	if err != nil { log.Fatalf("%v", err) }
@@ -128,6 +130,11 @@ func DevNull() string {
 	}
 }
 
+func FileExists(path string) bool {
+  _, err := os.Stat(path)
+  return err == nil
+}
+
 func RenderFile(encoding config.EncodeOpts, pid int, source_path string, force bool) {
 	for i := 0; i < len(encoding.Variants); i++ {
 		codec := &encoding.Variants[i]
@@ -135,15 +142,16 @@ func RenderFile(encoding config.EncodeOpts, pid int, source_path string, force b
 		SetCodecTarget(codec, source_path, encoding)
 
 		// ensure the target directories exist
-		target_dir := path.Dir(codec.Target)
-		err := os.MkdirAll(target_dir, 0750)
-		if err != nil {
-			log.Fatal("failed to make target path: %s: %v", target_dir, err)
-		}
+		target_dir := filepath.Dir(codec.Target)
 
-		_, err = os.Stat(codec.Target)
+        if !FileExists(codec.Target) {
+          err := os.MkdirAll(target_dir, 0750)
+          if err != nil {
+              log.Fatal("failed to make target path: %s: %v", target_dir, err)
+          }
+        }
 
-		if err == nil && !force {
+		if FileExists(codec.Target) && !force {
 			fmt.Println("^^^ SKIP", source_path, "->", codec.Target)
 			return
 		}
@@ -205,11 +213,11 @@ func SaveMPD(source_path string, encoding config.EncodeOpts) {
 	args = append(args, adapt_set)
 
 	dir, base := ExtractBase(source_path, encoding.OutDir)
-	args = append(args, filepath.Join(dir, base, "manifest.mpd"))
-
-	fmt.Println("\n\n\n\nARGS", args)
+    mpd_path := filepath.ToSlash(filepath.Join(dir, base, "manifest.mpd"))
+	args = append(args, mpd_path)
 
 	ffmpeg := exec.Command("ffmpeg", args...)
+    fmt.Println("==== MPD COMMAND ====\n", ffmpeg.String(), "\n==============")
 	out, err := ffmpeg.CombinedOutput()
 
 	os.Stdout.Write(out)
@@ -240,7 +248,6 @@ func main() {
 		log.Fatal(http.ListenAndServe(settings.Port, nil))
 	} else {
 		for i := 0; i < len(settings.Encodings); i++ {
-			fmt.Println("LOOP", i)
 			encoding := &settings.Encodings[i];
 
 			if encoding.OutDir != "" {