Add yt-dlp path config value

cmd/root.go

@@ -50,16 +50,19 @@ func init() {
 	rootCmd.PersistentFlags().IntP("port", "p", 8080, "port to listen on (default is 8080)")
 	rootCmd.PersistentFlags().StringP("listen", "l", "127.0.0.1", "address to listen on (default is 127.0.0.1)")
 	rootCmd.PersistentFlags().StringP("base-path", "b", "", "the base path, used when behind reverse proxy (default is \"\")")
+	rootCmd.PersistentFlags().StringP("ytdlp-path", "y", "yt-dlp", "the path to the yt-dlp binary, used when it is not in $PATH (default is yt-dlp)")
 
 	// trunk-ignore-begin(golangci-lint/errcheck): Ignoring errors
 	viper.BindPFlag("port", rootCmd.PersistentFlags().Lookup("port"))
 	viper.BindPFlag("listen", rootCmd.PersistentFlags().Lookup("listen"))
 	viper.BindPFlag("base_path", rootCmd.PersistentFlags().Lookup("base-path"))
+	viper.BindPFlag("ytdlp_path", rootCmd.PersistentFlags().Lookup("ytdlp-path"))
 	// trunk-ignore-end(golangci-lint/errcheck)
 
 	viper.SetDefault("port", 8080)
 	viper.SetDefault("listen", "127.0.0.1")
 	viper.SetDefault("base_path", "")
+	viper.SetDefault("ytdlp_path", "yt-dlp")
 }
 
 func initConfig() {

config.example.yml

@@ -1,3 +1,4 @@
 port: 8080
 listen: 0.0.0.0
 base_path: ""
+ytdlp_path: yt-dlp

ytdl/meta.go

@@ -4,11 +4,13 @@ import (
 	"bytes"
 	"encoding/json"
 	"os/exec"
+
+	"github.com/spf13/viper"
 )
 
 func GetMetadata(url string) (Metadata, error) {
 	cmd := exec.Command(
-		"yt-dlp",
+		viper.GetString("ytdlp_path"),
 		"-J",
 		"--cookies-from-browser", "firefox",
 		url,

ytdl/stream.go

@@ -3,11 +3,13 @@ package ytdl
 import (
 	"io"
 	"os/exec"
+
+	"github.com/spf13/viper"
 )
 
 func Stream(wr io.Writer, url string, format Format) error {
 	cmd := exec.Command(
-		"yt-dlp",
+		viper.GetString("ytdlp_path"),
 		"-o", "-",
 		"-f", format.FormatID,
 		"--merge-output-format", "mkv",