feat: allow slash chat at flv saving

container/flv/muxer.go

@@ -150,15 +150,11 @@ func (writer *FLVWriter) Info() (ret av.Info) {
 type FlvDvr struct{}
 
 func (f *FlvDvr) GetWriter(info av.Info) av.WriteCloser {
-	paths := strings.SplitN(info.Key, "/", 2)
-	if len(paths) != 2 {
-		log.Warning("invalid info")
-		return nil
-	}
+	paths := strings.Split(info.Key, "/")
 
 	flvDir := configure.Config.GetString("flv_dir")
 
-	err := os.MkdirAll(path.Join(flvDir, paths[0]), 0755)
+	err := os.MkdirAll(path.Join(append([]string{flvDir}, paths[:len(paths)-1]...)...), 0755)
 	if err != nil {
 		log.Error("mkdir error: ", err)
 		return nil
@@ -172,7 +168,7 @@ func (f *FlvDvr) GetWriter(info av.Info) av.WriteCloser {
 		return nil
 	}
 
-	writer := NewFLVWriter(paths[0], paths[1], info.URL, w)
+	writer := NewFLVWriter(strings.Join(paths[:len(paths)-1], "/"), paths[len(paths)-1], info.URL, w)
 	log.Debug("new flv dvr: ", writer.Info())
 	return writer
 }