adjust: code structure

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.23 as builder
+FROM golang:1.23 AS builder
 LABEL authors="nite07"
 
 WORKDIR /app
@@ -8,6 +8,19 @@ ARG version
 RUN CGO_ENABLED=0 GOOS=linux go build -ldflags="-s -w -X live-streamer/constant.Version=${version}" -o live-streamer .
 
 FROM alpine:latest
+WORKDIR /app
+
+RUN apk update && \
+    apk add --no-cache \
+    ffmpeg \
+    fontconfig \
+    ttf-dejavu \
+    ttf-liberation \
+    font-noto \
+    font-noto-emoji \
+    wqy-zenhei \
+    && fc-cache -f 
+
 COPY --from=builder /app/live-streamer /app/live-streamer
 EXPOSE 8080
 VOLUME [ "/app/config.json" ]

config/config.go

@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"live-streamer/model"
 	"live-streamer/utils"
 	"log"
 	"os"
@@ -16,16 +17,9 @@ type OutputConfig struct {
 	StreamKey  string `json:"stream_key"`
 }
 
-type InputItem struct {
-	Path     string `json:"path"`
-	Start    string `json:"start"`
-	End      string `json:"end"`
-	ItemType string `json:"-"`
-}
-
 type LogConfig struct {
 	Level            string `json:"level"`
-	PlayState bool   `json:"play_state"`
+	ShowFFmpegOutput bool   `json:"show_ffmpeg_output"`
 }
 
 type ServerConfig struct {
@@ -35,8 +29,8 @@ type ServerConfig struct {
 
 type Config struct {
 	Input      []any             `json:"input"`
-	InputItems []InputItem    `json:"-"` // contains video file or dir
+	InputItems []model.VideoItem `json:"-"` // contains video file or dir
-	VideoList  []InputItem    `json:"-"` // only contains video file
+	VideoList  []model.VideoItem `json:"-"` // only contains video file
 	Play       map[string]any    `json:"play"`
 	Output     OutputConfig      `json:"output"`
 	Log        LogConfig         `json:"log"`
@@ -47,10 +41,7 @@ var GlobalConfig *Config
 
 func init() {
 	GlobalConfig = &Config{}
-	err := readConfig("config.json")
+	err := readConfig("./config.json")
-	if len(GlobalConfig.Input) == 0 {
-		log.Fatal("No input video found")
-	}
 	if err != nil {
 		if os.IsNotExist(err) {
 			log.Fatal("Config not exists")
@@ -58,6 +49,10 @@ func init() {
 			log.Fatal(err)
 		}
 	}
+
+	if len(GlobalConfig.Input) == 0 {
+		log.Fatal("no input video found")
+	}
 }
 
 func readConfig(configPath string) error {
@@ -70,9 +65,9 @@ func readConfig(configPath string) error {
 	}
 	databytes, err := os.ReadFile(configPath)
 	if err != nil {
-		return fmt.Errorf("Config read failed: %v", err)
+		return fmt.Errorf("config read failed: %v", err)
 	}
-	if err = json.Unmarshal(databytes, &GlobalConfig); err != nil {
+	if err = json.Unmarshal(databytes, GlobalConfig); err != nil {
 		return fmt.Errorf("config unmarshal failed: %v", err)
 	}
 	err = validateConfig()
@@ -107,15 +102,15 @@ func validateInputConfig() error {
 		return errors.New("video_path is nil")
 	}
 
-	GlobalConfig.InputItems = make([]InputItem, 0, len(GlobalConfig.Input))
+	GlobalConfig.InputItems = make([]model.VideoItem, 0, len(GlobalConfig.Input))
-	GlobalConfig.VideoList = []InputItem{}
+	GlobalConfig.VideoList = []model.VideoItem{}
 
 	for i, item := range GlobalConfig.Input {
-		var inputItem InputItem
+		var inputItem model.VideoItem
 
 		switch v := item.(type) {
 		case string:
-			inputItem = InputItem{Path: v}
+			inputItem = model.VideoItem{Path: v}
 		case map[string]any:
 			data, err := json.Marshal(v)
 			if err != nil {
@@ -192,14 +187,14 @@ func validateServerConfig() error {
 	return nil
 }
 
-func getAllVideos(dirPath string) ([]InputItem, error) {
+func getAllVideos(dirPath string) ([]model.VideoItem, error) {
-	res := []InputItem{}
+	res := []model.VideoItem{}
 	err := filepath.Walk(dirPath, func(path string, info os.FileInfo, err error) error {
 		if err != nil {
 			return err
 		}
 		if !info.IsDir() && utils.IsSupportedVideo(path) {
-			res = append(res, InputItem{Path: path})
+			res = append(res, model.VideoItem{Path: path})
 		}
 		return nil
 	})

logger/logger.go

@@ -1,7 +1,6 @@
 package logger
 
 import (
-	c "live-streamer/config"
 	"os"
 	"strings"
 
@@ -9,16 +8,9 @@ import (
 	"go.uber.org/zap/zapcore"
 )
 
-var (
+func NewLogger(level string) *zap.Logger {
-	GlobalLogger *zap.Logger
-	config       *c.Config
-)
-
-func init() {
-	config = c.GlobalConfig
-
 	var logLevel zapcore.Level
-	switch strings.ToLower(config.Log.Level) {
+	switch strings.ToLower(level) {
 	case "info":
 		logLevel = zap.InfoLevel
 	case "error":
@@ -37,5 +29,6 @@ func init() {
 
 	consoleWriter := zapcore.AddSync(os.Stdout)
 	consoleCore := zapcore.NewCore(zapcore.NewConsoleEncoder(encoderConfig), consoleWriter, logLevel)
-	GlobalLogger = zap.New(consoleCore)
+	logger := zap.New(consoleCore)
+	return logger
 }

main.go

@@ -5,12 +5,10 @@ import (
 	"fmt"
 
 	c "live-streamer/config"
-	"live-streamer/constant"
 	"live-streamer/logger"
 	"live-streamer/server"
 	"live-streamer/streamer"
 	"live-streamer/utils"
-	"live-streamer/websocket"
 
 	"os"
 
@@ -26,24 +24,40 @@ var (
 
 func init() {
 	config = c.GlobalConfig
-	log = logger.GlobalLogger
 }
 
 func main() {
-	fmt.Println("Version: " + constant.Version)
+	// new logger
+	log = logger.NewLogger(config.Log.Level)
 
-	if !utils.HasFFMPEG() {
+	log.Debug("config", zap.Reflect("config", config))
+
+	// ffmpeg exist
+	if !utils.HasFFmpeg() {
 		log.Fatal("ffmpeg not found")
 	}
 
-	server.NewServer(config.Server.Addr, websocket.RequestHandler)
+	// new streamer
+	var err error
+	GlobalStreamer, err = streamer.NewStreamer(config.Output.RTMPServer, config.Output.StreamKey, config.VideoList, log, &streamer.Option{
+		FFmpegArgs:       config.Play,
+		ShowFFmpegOutput: config.Log.ShowFFmpegOutput,
+	})
+	if err != nil {
+		log.Fatal("new streamer error", zap.Error(err))
+	}
+
+	// new server
+	server.NewServer(config.Server.Addr, GlobalStreamer, log, &server.Option{
+		AuthToken: config.Server.Token,
+	})
 	server.GlobalServer.Run()
 
-	GlobalStreamer = streamer.NewStreamer(config.VideoList)
+	// coroutine
-
 	go startWatcher()
 	go inputHandler()
 
+	// start streamer
 	GlobalStreamer.Start()
 	select {}
 }

model/videoItem.go

@@ -0,0 +1,8 @@
+package model
+
+type VideoItem struct {
+	Path     string `json:"path"`
+	Start    string `json:"start"`
+	End      string `json:"end"`
+	ItemType string `json:"-"`
+}

server/server.go

@@ -3,10 +3,7 @@ package server
 import (
 	"embed"
 	"html/template"
-	c "live-streamer/config"
-	"live-streamer/logger"
 	"live-streamer/streamer"
-	mywebsocket "live-streamer/websocket"
 	"net/http"
 	"sync"
 	"time"
@@ -26,13 +23,17 @@ var upgrader = websocket.Upgrader{
 	},
 }
 
-type InputFunc func(mywebsocket.RequestType)
-
 type Server struct {
 	addr     string
-	dealInputFunc InputFunc
 	clients  map[string]*Client
 	mu       sync.Mutex
+	option   *Option
+	log      *zap.Logger
+	streamer *streamer.Streamer
+}
+
+type Option struct {
+	AuthToken string
 }
 
 type Client struct {
@@ -45,20 +46,16 @@ type Client struct {
 var (
 	GlobalServer *Server
 
-	config *c.Config
 	log *zap.Logger
 )
 
-func init() {
+func NewServer(addr string, streamer *streamer.Streamer, log *zap.Logger, option *Option) {
-	config = c.GlobalConfig
-	log = logger.GlobalLogger
-}
-
-func NewServer(addr string, dealInputFunc InputFunc) {
 	GlobalServer = &Server{
 		addr:     addr,
-		dealInputFunc: dealInputFunc,
+		option:   option,
 		clients:  make(map[string]*Client),
+		log:      log,
+		streamer: streamer,
 	}
 }
 
@@ -71,7 +68,7 @@ func (s *Server) Run() {
 	}
 	router.SetHTMLTemplate(tpl)
 
-	router.GET("/ws", AuthMiddleware(), s.handleWebSocket)
+	router.GET("/ws", s.AuthMiddleware(), s.handleWebSocket)
 	router.GET(
 		"/", func(c *gin.Context) {
 			c.HTML(200, "index.html", nil)
@@ -120,11 +117,11 @@ func (s *Server) handleWebSocket(c *gin.Context) {
 	go func() {
 		ticker := time.NewTicker(1 * time.Second)
 		for range ticker.C {
-			s.Broadcast(mywebsocket.Date{
+			s.Broadcast(Data{
 				Timestamp:        time.Now().UnixMilli(),
-				CurrentVideoPath: streamer.GlobalStreamer.GetCurrentVideoPath(),
+				CurrentVideoPath: s.streamer.GetCurrentVideoPath(),
-				VideoList:        streamer.GlobalStreamer.GetVideoListPath(),
+				VideoList:        s.streamer.GetVideoListPath(),
-				Output:           streamer.GlobalStreamer.GetOutput(),
+				Output:           s.streamer.GetOutput(),
 			})
 		}
 	}()
@@ -132,23 +129,20 @@ func (s *Server) handleWebSocket(c *gin.Context) {
 	for {
 		// recive message
 		client.mu.Lock()
-		msg := mywebsocket.Request{}
+		msg := Request{}
 		err := ws.ReadJSON(&msg)
 		client.mu.Unlock()
 		if err != nil {
-			if websocket.IsUnexpectedCloseError(err, websocket.CloseGoingAway, websocket.CloseAbnormalClosure) {
-				log.Error("websocket error", zap.Error(err))
-			}
 			break
 		}
-		s.dealInputFunc(msg.Type)
+		s.RequestHandler(msg.Type)
 	}
 }
 
-func AuthMiddleware() gin.HandlerFunc {
+func (s *Server) AuthMiddleware() gin.HandlerFunc {
 	return func(c *gin.Context) {
-		if config.Server.Token == "" ||
+		if s.option.AuthToken == "" ||
-			c.Query("token") == config.Server.Token {
+			c.Query("token") == s.option.AuthToken {
 			c.Next()
 		} else {
 			c.AbortWithStatus(http.StatusUnauthorized)
@@ -156,7 +150,7 @@ func AuthMiddleware() gin.HandlerFunc {
 	}
 }
 
-func (s *Server) Broadcast(obj mywebsocket.Date) {
+func (s *Server) Broadcast(obj Data) {
 	s.mu.Lock()
 	for _, client := range s.clients {
 		obj.Timestamp = time.Now().UnixMilli()
@@ -167,7 +161,7 @@ func (s *Server) Broadcast(obj mywebsocket.Date) {
 	s.mu.Unlock()
 }
 
-func (s *Server) Single(userID string, obj mywebsocket.Date) {
+func (s *Server) Single(userID string, obj Data) {
 	s.mu.Lock()
 	if client, ok := s.clients[userID]; ok {
 		obj.Timestamp = time.Now().UnixMilli()
@@ -178,6 +172,13 @@ func (s *Server) Single(userID string, obj mywebsocket.Date) {
 	s.mu.Unlock()
 }
 
-func (s *Server) Close() {
+func (s *Server) RequestHandler(reqType RequestType) {
-
+	switch reqType {
+	case TypeStreamNextVideo:
+		s.streamer.Next()
+	case TypeStreamPrevVideo:
+		s.streamer.Prev()
+	case TypeQuit:
+		s.streamer.Close()
+	}
 }

server/static/index.html

@@ -368,8 +368,31 @@
     <script>
       let ws;
       let shouldAutoScroll = true;
+      let isConnecting = false;
+      let reconnectTimer = null;
 
       function connectWebSocket() {
+        if (isConnecting || (ws && ws.readyState === WebSocket.CONNECTING)) {
+          console.log("WebSocket connection already in progress");
+          return;
+        }
+
+        if (ws && ws.readyState === WebSocket.OPEN) {
+          console.log("WebSocket already connected");
+          return;
+        }
+
+        if (ws) {
+          ws.close();
+          ws = null;
+        }
+
+        if (reconnectTimer) {
+          clearTimeout(reconnectTimer);
+          reconnectTimer = null;
+        }
+
+        isConnecting = true;
         const token = document.getElementById("token-input").value;
         const wsProtocol =
           window.location.protocol === "https:" ? "wss:" : "ws:";
@@ -378,6 +401,7 @@
 
         ws.onopen = function () {
           console.log("Connected to WebSocket");
+          isConnecting = false;
           setStoredToken(token);
           document.getElementById("token-screen").style.display = "none";
           document.querySelector(".container-fluid").style.display = "flex";
@@ -404,15 +428,21 @@
         };
 
         ws.onerror = function () {
+          isConnecting = false;
           document.getElementById("token-error").style.display = "block";
         };
 
         ws.onclose = function () {
+          isConnecting = false;
           console.log("Disconnected from WebSocket");
           document.getElementById("status").textContent =
             "WebSocket Status: Disconnected";
           document.getElementById("status").classList.remove("connected");
-          setTimeout(connectWebSocket, 3000);
+
+          if (reconnectTimer) {
+            clearTimeout(reconnectTimer);
+          }
+          reconnectTimer = setTimeout(connectWebSocket, 3000);
         };
       }
 
@@ -480,6 +510,11 @@
           sendWs("Quit");
           if (ws) {
             ws.close();
+            ws = null;
+          }
+          if (reconnectTimer) {
+            clearTimeout(reconnectTimer);
+            reconnectTimer = null;
           }
         }
       };

server/websocket.go

@@ -1,8 +1,4 @@
-package websocket
+package server
-
-import (
-	"live-streamer/streamer"
-)
 
 type RequestType string
 
@@ -16,20 +12,9 @@ type Request struct {
 	Type RequestType `json:"type"`
 }
 
-type Date struct {
+type Data struct {
 	Timestamp        int64    `json:"timestamp"`
 	CurrentVideoPath string   `json:"currentVideoPath"`
 	VideoList        []string `json:"videoList"`
 	Output           string   `json:"output"`
 }
-
-func RequestHandler(reqType RequestType) {
-	switch reqType {
-	case TypeStreamNextVideo:
-		streamer.GlobalStreamer.Next()
-	case TypeStreamPrevVideo:
-		streamer.GlobalStreamer.Prev()
-	case TypeQuit:
-		streamer.GlobalStreamer.Close()
-	}
-}

streamer/helper.go

@@ -1,45 +0,0 @@
-package streamer
-
-import (
-	"fmt"
-	c "live-streamer/config"
-	"path/filepath"
-	"strings"
-
-	"go.uber.org/zap"
-)
-
-func buildFFmpegArgs(videoItem c.InputItem) []string {
-	videoPath := videoItem.Path
-
-	args := []string{"-re"}
-	if videoItem.Start != "" {
-		args = append(args, "-ss", videoItem.Start)
-	}
-
-	if videoItem.End != "" {
-		args = append(args, "-to", videoItem.End)
-	}
-
-	args = append(args,
-		"-i", videoPath,
-	)
-
-	for k, v := range config.Play {
-		args = append(args, k)
-		if str, ok := v.(string); ok {
-			filename := strings.TrimSuffix(filepath.Base(videoPath), filepath.Ext(videoPath))
-			str = strings.ReplaceAll(str, "{{filepath}}", videoPath)
-			str = strings.ReplaceAll(str, "{{filename}}", filename)
-			args = append(args, str)
-		} else {
-			args = append(args, fmt.Sprint(v))
-		}
-	}
-
-	args = append(args, fmt.Sprintf("%s/%s", config.Output.RTMPServer, config.Output.StreamKey))
-
-	log.Debug("build ffmpeg", zap.Strings("args", args))
-
-	return args
-}

streamer/message.go

@@ -1,8 +1,6 @@
 package streamer
 
-import (
+import "live-streamer/model"
-	c "live-streamer/config"
-)
 
 type Message interface {
 	messageType() string
@@ -22,7 +20,7 @@ type GetCurrentVideoMessage struct {
 	Response chan string
 }
 type GetVideoListMessage struct {
-	Response chan []c.InputItem
+	Response chan []model.VideoItem
 }
 type GetVideoListPathMessage struct {
 	Response chan []string

streamer/streamer.go

@@ -3,10 +3,11 @@ package streamer
 import (
 	"bufio"
 	"context"
+	"errors"
 	"fmt"
 	"io"
-	c "live-streamer/config"
+	"live-streamer/model"
-	"live-streamer/logger"
+	"path/filepath"
 
 	"os"
 	"os/exec"
@@ -27,10 +28,21 @@ type Streamer struct {
 
 	wg    sync.WaitGroup // wait all handlers(except closehandler) to finish before closure
 	close chan any
+
+	log    *zap.Logger
+	option *Option
+
+	rtmpServer string
+	streamKey  string
+}
+
+type Option struct {
+	FFmpegArgs       map[string]any
+	ShowFFmpegOutput bool
 }
 
 type streamerState struct {
-	videoList         []c.InputItem
+	videoList         []model.VideoItem
 	currentVideoIndex int
 	manualControl     bool
 	cmd               *exec.Cmd
@@ -41,17 +53,10 @@ type streamerState struct {
 
 var GlobalStreamer *Streamer
 
-var (
+func NewStreamer(rtmpServer string, streamKey string, videoList []model.VideoItem, log *zap.Logger, option *Option) (*Streamer, error) {
-	config *c.Config
+	if rtmpServer == "" || streamKey == "" {
-	log    *zap.Logger
+		return nil, errors.New("lack of args")
-)
+	}
-
-func init() {
-	config = c.GlobalConfig
-	log = logger.GlobalLogger
-}
-
-func NewStreamer(videoList []c.InputItem) *Streamer {
 	s := &Streamer{
 		mailbox: make(chan Message, 100),
 		state: &streamerState{
@@ -61,11 +66,15 @@ func NewStreamer(videoList []c.InputItem) *Streamer {
 		outputQueue: make(chan string, 100),
 		outputReq:   make(chan chan string),
 		close:       make(chan any),
+		option:      option,
+		log:         log,
+		rtmpServer:  rtmpServer,
+		streamKey:   streamKey,
 	}
 	GlobalStreamer = s
 	go s.actorLoop()
 	go s.handleOutput()
-	return s
+	return s, nil
 }
 
 func (s *Streamer) actorLoop() {
@@ -122,18 +131,18 @@ func (s *Streamer) handleStart() {
 	s.state.ctx, s.state.cancel = context.WithCancel(context.Background())
 	currentVideo := s.state.videoList[s.state.currentVideoIndex]
 	videoPath := currentVideo.Path
-	s.state.cmd = exec.CommandContext(s.state.ctx, "ffmpeg", buildFFmpegArgs(currentVideo)...)
+	s.state.cmd = exec.CommandContext(s.state.ctx, "ffmpeg", s.buildFFmpegArgs(currentVideo)...)
 	s.state.waitDone = make(chan any)
 
 	pipe, err := s.state.cmd.StderrPipe() // ffmpeg send all messages to stderr
 	if err != nil {
-		log.Error("failed to get pipe", zap.Error(err))
+		s.log.Error("failed to get pipe", zap.Error(err))
 		return
 	}
 
 	reader := bufio.NewReader(pipe)
 
-	log.Info("start stream", zap.String("path", videoPath))
+	s.log.Info("start stream", zap.String("path", videoPath))
 	s.writeOutput(fmt.Sprintln("start stream: ", videoPath))
 	if err := s.state.cmd.Start(); err != nil {
 		s.writeOutput(fmt.Sprintf("starting ffmpeg error: %v\n", err))
@@ -141,30 +150,30 @@ func (s *Streamer) handleStart() {
 	}
 
 	go func() {
-		log.Debug("wait stream end", zap.String("path", videoPath))
+		s.log.Debug("wait stream end", zap.String("path", videoPath))
 		_ = s.state.cmd.Wait()
-		log.Debug("process stop", zap.String("path", videoPath))
+		s.log.Debug("process stop", zap.String("path", videoPath))
 		s.state.cancel()
-		log.Debug("context cancel", zap.String("path", videoPath))
+		s.log.Debug("context cancel", zap.String("path", videoPath))
 
 		s.writeOutput(fmt.Sprintf("stop stream: %s\n", videoPath))
 
 		if !s.state.manualControl {
-			log.Debug("video end", zap.String("path", videoPath))
+			s.log.Debug("video end", zap.String("path", videoPath))
 			s.state.currentVideoIndex++
 			if s.state.currentVideoIndex >= len(s.state.videoList) {
 				s.state.currentVideoIndex = 0
 			}
 			s.mailbox <- StartMessage{}
 		} else {
-			log.Debug("manually end", zap.String("path", videoPath))
+			s.log.Debug("manually end", zap.String("path", videoPath))
 			s.state.manualControl = false
 		}
 
 		close(s.state.waitDone)
 	}()
 
-	go s.log(reader)
+	go s.ffmpegLog(reader)
 }
 
 func (s *Streamer) handleStop() {
@@ -174,18 +183,18 @@ func (s *Streamer) handleStop() {
 
 	videoPath := s.state.videoList[s.state.currentVideoIndex].Path
 
-	log.Debug("wait context to be cancelled", zap.String("path", videoPath))
+	s.log.Debug("wait context to be cancelled", zap.String("path", videoPath))
 	s.state.cancel()
-	log.Debug("context has been cancelled", zap.String("path", videoPath))
+	s.log.Debug("context has been cancelled", zap.String("path", videoPath))
 
 	if s.state.cmd.Process != nil {
-		log.Debug("wait ffmpeg process stop", zap.String("path", videoPath))
+		s.log.Debug("wait ffmpeg process stop", zap.String("path", videoPath))
 		select {
 		case <-s.state.waitDone:
 		case <-time.After(3 * time.Second):
 			_ = s.state.cmd.Process.Kill()
 		}
-		log.Debug("ffmpeg process has stopped", zap.String("path", videoPath))
+		s.log.Debug("ffmpeg process has stopped", zap.String("path", videoPath))
 	}
 
 	s.state.cancel = nil
@@ -193,7 +202,7 @@ func (s *Streamer) handleStop() {
 }
 
 func (s *Streamer) handleAdd(path string) {
-	s.state.videoList = append(s.state.videoList, c.InputItem{Path: path})
+	s.state.videoList = append(s.state.videoList, model.VideoItem{Path: path})
 }
 
 func (s *Streamer) handleRemove(path string) {
@@ -260,7 +269,7 @@ func (s *Streamer) handleGetCurrentVideo(response chan string) {
 	response <- s.state.videoList[s.state.currentVideoIndex].Path
 }
 
-func (s *Streamer) handleGetVideoList(response chan []c.InputItem) {
+func (s *Streamer) handleGetVideoList(response chan []model.VideoItem) {
 	response <- s.state.videoList
 }
 
@@ -314,8 +323,8 @@ func (s *Streamer) GetCurrentVideoPath() string {
 	return <-response
 }
 
-func (s *Streamer) GetVideoList() []c.InputItem {
+func (s *Streamer) GetVideoList() []model.VideoItem {
-	response := make(chan []c.InputItem)
+	response := make(chan []model.VideoItem)
 	s.mailbox <- GetVideoListMessage{Response: response}
 	return <-response
 }
@@ -356,21 +365,22 @@ func (s *Streamer) writeOutput(str string) {
 	s.outputQueue <- str
 }
 
-func (s *Streamer) log(reader *bufio.Reader) {
+func (s *Streamer) ffmpegLog(reader *bufio.Reader) {
 	select {
 	case <-s.state.ctx.Done():
 		return
 	default:
-		if !config.Log.PlayState {
-			return
-		}
 		buf := make([]byte, 1024)
 		for {
 			n, err := reader.Read(buf)
 			if n > 0 {
-				log.Debug("ffmpeg output", zap.String("msg", strings.TrimSpace(string(buf[:n]))))
+				if s.option.ShowFFmpegOutput {
 					s.writeOutput(string(buf[:n]))
 				}
+				if s.log.Level() == zap.DebugLevel {
+					fmt.Print(string(buf[:n]))
+				}
+			}
 			if err != nil {
 				if err != io.EOF {
 					s.writeOutput(fmt.Sprintf("reading ffmpeg output error: %v\n", err))
@@ -380,3 +390,38 @@ func (s *Streamer) log(reader *bufio.Reader) {
 		}
 	}
 }
+
+func (s *Streamer) buildFFmpegArgs(videoItem model.VideoItem) []string {
+	videoPath := videoItem.Path
+
+	args := []string{"-re"}
+	if videoItem.Start != "" {
+		args = append(args, "-ss", videoItem.Start)
+	}
+
+	if videoItem.End != "" {
+		args = append(args, "-to", videoItem.End)
+	}
+
+	args = append(args,
+		"-i", videoPath,
+	)
+
+	for k, v := range s.option.FFmpegArgs {
+		args = append(args, k)
+		if str, ok := v.(string); ok {
+			filename := strings.TrimSuffix(filepath.Base(videoPath), filepath.Ext(videoPath))
+			str = strings.ReplaceAll(str, "{{filepath}}", videoPath)
+			str = strings.ReplaceAll(str, "{{filename}}", filename)
+			args = append(args, str)
+		} else {
+			args = append(args, fmt.Sprint(v))
+		}
+	}
+
+	args = append(args, fmt.Sprintf("%s/%s", s.rtmpServer, s.streamKey))
+
+	s.log.Debug("build ffmpeg", zap.Strings("args", args))
+
+	return args
+}

utils/has_ffmpeg.go

@@ -2,7 +2,7 @@ package utils
 
 import "os/exec"
 
-func HasFFMPEG() bool {
+func HasFFmpeg() bool {
 	_, err := exec.LookPath("ffmpeg")
 	return err == nil
 }