Merge pull request #379 from Eyevinn/fix-mp4ff-encrypt

fix: broken mp4ff-encrypt CLI

CHANGELOG.md

@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Allow missing optional DecoderSpecificInfo
 - Avoid mp4.File.Mdat pointing to an empty mdat box
+- `cmd/mp4ff-encrypt` did not parse command line
 
 ### Removed
 

cmd/mp4ff-encrypt/main.go

@@ -45,6 +45,7 @@ func parseOptions() {
 		fmt.Fprintf(os.Stderr, "\n%s [options] infile outfile\n\noptions:\n", name)
 		flag.PrintDefaults()
 	}
+	flag.Parse()
 }
 
 func main() {
@@ -56,14 +57,15 @@ func main() {
 	}
 
 	if len(flag.Args()) != 2 {
+		fmt.Fprintf(os.Stderr, "Error: must specify infile and outfile and no other arguments\n")
 		flag.Usage()
 		os.Exit(1)
 	}
 	var inFilePath = flag.Arg(0)
 	var outFilePath = flag.Arg(1)
 
 	if opts.hexKey == "" || opts.ivHex == "" {
-		fmt.Fprintf(os.Stderr, "need both key and iv\n")
+		fmt.Fprintf(os.Stderr, "Error: need both key and iv\n")
 		flag.Usage()
 		os.Exit(1)
 	}