Add stream redirect handler

internal/echo/echo.go

@@ -2,28 +2,28 @@ package echo
 
 import (
 	"bytes"
+	"os/exec"
+
 	"github.com/AlexxIT/go2rtc/internal/app"
 	"github.com/AlexxIT/go2rtc/internal/streams"
-	"github.com/AlexxIT/go2rtc/pkg/core"
 	"github.com/AlexxIT/go2rtc/pkg/shell"
-	"os/exec"
 )
 
 func Init() {
 	log := app.GetLogger("echo")
 
-	streams.HandleFunc("echo", func(url string) (core.Producer, error) {
+	streams.RedirectFunc("echo", func(url string) (string, error) {
 		args := shell.QuoteSplit(url[5:])
 
 		b, err := exec.Command(args[0], args[1:]...).Output()
 		if err != nil {
-			return nil, err
+			return "", err
 		}
 
 		b = bytes.TrimSpace(b)
 
 		log.Debug().Str("url", url).Msgf("[echo] %s", b)
 
-		return streams.GetProducer(string(b))
+		return string(b), nil
 	})
 }