diff --git a/rtmp/data_loop.go b/rtmp/data_loop.go
index c40cfe8..c911158 100644
--- a/rtmp/data_loop.go
+++ b/rtmp/data_loop.go
@@ -9,8 +9,7 @@ import (
 
 func HandleDataLoop(chnk_wrp_ptr *ChunkWrapper) {
 	StreamCleanup(chnk_wrp_ptr.params.stream_key, 0)
-	base_dir, _ := os.UserHomeDir()
-	file_writer, err := flv.NewFLVWriter(base_dir + "/live/" + chnk_wrp_ptr.params.stream_key + "/")
+	file_writer, err := flv.NewFLVWriter(chnk_wrp_ptr.params.stream_key)
 	defer file_writer.Close()
 	if err != nil {
 		return
diff --git a/rtmp/flv/writer.go b/rtmp/flv/writer.go
index 26e6ad1..711a1b7 100644
--- a/rtmp/flv/writer.go
+++ b/rtmp/flv/writer.go
@@ -4,27 +4,30 @@ import (
 	"io"
 	"os/exec"
 	"encoding/binary"
+	"os"
 )
 
 type FLVWriter struct {
 	w io.WriteCloser
 }
 
-func NewFLVWriter(stream_dir string) (*FLVWriter, error) {
+func NewFLVWriter(stream_key string) (*FLVWriter, error) {
+	base_dir, _ := os.UserHomeDir()
 	writer := new(FLVWriter)
 	transcoder := exec.Command(
 		"ffmpeg",
-		"-probesize", "5000",
+		"-probesize", "500",
 		"-i", "pipe:0",
 		"-c:a", "aac",
 		"-c:v", "h264",
 		"-b:v", "1M",
 		"-hls_time", "6",
-		"-hls_list_size", "10",
+		"-hls_list_size", "4",
+		"-hls_base_url", "/vid/" + stream_key + "/",
 		"-hls_flags", "delete_segments",
 		"stream.m3u8",
 	)
-	transcoder.Dir = stream_dir
+	transcoder.Dir = base_dir + "/live/" + stream_key + "/"
 	flvpipe, err := transcoder.StdinPipe()
 	transcoder.Start()
 	if err != nil {