u
This commit is contained in:
parent
35db859788
commit
020f2eea9b
33
main.go
33
main.go
@ -1,32 +1,55 @@
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package main
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import (
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"bufio"
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"fmt"
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"live-streamer/config"
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"live-streamer/server"
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"live-streamer/streamer"
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"live-streamer/utils"
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"live-streamer/websocket"
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"log"
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"os"
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"github.com/fsnotify/fsnotify"
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)
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var GlobalStreamer *streamer.Streamer
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var outputer websocket.Outputer
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func main() {
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server.NewServer(":8080", websocketRequestHandler)
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server.GlobalServer.Run()
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outputer = server.GlobalServer
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if !utils.HasFFMPEG() {
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log.Fatal("ffmpeg not found")
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}
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GlobalStreamer = streamer.NewStreamer(config.GlobalConfig.VideoList, outputer)
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GlobalStreamer = streamer.NewStreamer(config.GlobalConfig.VideoList)
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go startWatcher()
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go input()
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GlobalStreamer.Stream()
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GlobalStreamer.Close()
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}
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func input() {
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scanner := bufio.NewScanner(os.Stdin)
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for scanner.Scan() {
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line := scanner.Text() // 获取用户输入的内容
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switch line {
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case "list":
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fmt.Println(GlobalStreamer.GetVideoListPath())
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case "index":
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fmt.Println(GlobalStreamer.GetCurrentIndex())
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case "next":
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GlobalStreamer.Next()
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case "prev":
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GlobalStreamer.Prev()
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case "quit":
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GlobalStreamer.Close()
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os.Exit(0)
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case "current":
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fmt.Println(GlobalStreamer.GetCurrentVideoPath())
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}
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}
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}
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func startWatcher() {
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watcher, err := fsnotify.NewWatcher()
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if err != nil {
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@ -56,11 +79,9 @@ func startWatcher() {
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if utils.IsSupportedVideo(event.Name) {
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log.Println("new video added:", event.Name)
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GlobalStreamer.Add(event.Name)
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server.GlobalServer.Broadcast(websocket.MakeResponse(websocket.TypeAddVideo, true, event.Name, ""))
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}
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}
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if event.Op&fsnotify.Remove == fsnotify.Remove {
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server.GlobalServer.Broadcast(websocket.MakeResponse(websocket.TypeRemoveVideo, true, event.Name, ""))
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log.Println("video removed:", event.Name)
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GlobalStreamer.Remove(event.Name)
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}
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@ -4,6 +4,7 @@ import (
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"embed"
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"html/template"
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"live-streamer/config"
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"live-streamer/streamer"
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mywebsocket "live-streamer/websocket"
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"log"
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"net/http"
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@ -24,13 +25,12 @@ var upgrader = websocket.Upgrader{
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},
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}
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type InputFunc func(mywebsocket.Response)
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type InputFunc func(mywebsocket.RequestType)
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type Server struct {
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addr string
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dealInputFunc InputFunc
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clients map[string]*Client
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historyOutput string
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mu sync.Mutex
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}
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@ -38,6 +38,7 @@ type Client struct {
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id string
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conn *websocket.Conn
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mu sync.Mutex
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hasSentSize int
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}
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var GlobalServer *Server
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@ -47,7 +48,6 @@ func NewServer(addr string, dealInputFunc InputFunc) {
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addr: addr,
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dealInputFunc: dealInputFunc,
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clients: make(map[string]*Client),
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historyOutput: "",
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}
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}
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@ -88,12 +88,10 @@ func (s *Server) handleWebSocket(c *gin.Context) {
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log.Printf("generating uuid error: %v", err)
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return
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}
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client := &Client{id: id.String(), conn: ws}
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client := &Client{id: id.String(), conn: ws, hasSentSize: 0}
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s.mu.Lock()
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s.clients[client.id] = client
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s.mu.Unlock()
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// write history output
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s.Single(client.id, mywebsocket.MakeOutput(s.historyOutput))
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defer func() {
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client.mu.Lock()
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@ -107,10 +105,24 @@ func (s *Server) handleWebSocket(c *gin.Context) {
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}
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}()
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go func() {
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ticker := time.NewTicker(1 * time.Second)
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for range ticker.C {
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streamer.GlobalStreamer.TruncateOutput()
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currentVideoPath, _ := streamer.GlobalStreamer.GetCurrentVideoPath()
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s.Broadcast(mywebsocket.Date{
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Timestamp: time.Now().UnixMilli(),
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CurrentVideoPath: currentVideoPath,
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VideoList: streamer.GlobalStreamer.GetVideoListPath(),
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Output: streamer.GlobalStreamer.GetOutput(),
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})
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}
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}()
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for {
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// recive message
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client.mu.Lock()
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msg := mywebsocket.Response{}
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msg := mywebsocket.Request{}
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err := ws.ReadJSON(&msg)
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client.mu.Unlock()
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if err != nil {
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@ -119,7 +131,7 @@ func (s *Server) handleWebSocket(c *gin.Context) {
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}
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break
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}
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s.dealInputFunc(msg)
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s.dealInputFunc(msg.Type)
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}
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}
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@ -134,13 +146,9 @@ func AuthMiddleware() gin.HandlerFunc {
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}
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}
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func (s *Server) Broadcast(obj mywebsocket.Response) {
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func (s *Server) Broadcast(obj mywebsocket.Date) {
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s.mu.Lock()
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if obj.Type == mywebsocket.TypeOutput {
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s.historyOutput += obj.Data.(string)
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}
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for _, client := range s.clients {
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obj.UserID = client.id
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obj.Timestamp = time.Now().UnixMilli()
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if err := client.conn.WriteJSON(obj); err != nil {
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log.Printf("websocket writing message error: %v", err)
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@ -149,10 +157,9 @@ func (s *Server) Broadcast(obj mywebsocket.Response) {
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s.mu.Unlock()
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}
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func (s *Server) Single(userID string, obj mywebsocket.Response) {
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func (s *Server) Single(userID string, obj mywebsocket.Date) {
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s.mu.Lock()
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if client, ok := s.clients[userID]; ok {
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obj.UserID = userID
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obj.Timestamp = time.Now().UnixMilli()
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if err := client.conn.WriteJSON(obj); err != nil {
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log.Printf("websocket writing message error: %v", err)
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@ -367,115 +367,61 @@
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<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js"></script>
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<script>
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let ws;
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let userID;
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function validateToken() {
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function connectWebSocket() {
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const token = document.getElementById("token-input").value;
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const wsProtocol =
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window.location.protocol === "https:" ? "wss:" : "ws:";
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const wsHost = window.location.host;
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ws = new WebSocket(`${wsProtocol}//${wsHost}/ws?token=${token}`);
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const statusDisplay = document.getElementById("status");
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const currentVideo = document.getElementById("current-video");
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const videoList = document.getElementById("video-list");
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const timeout = setTimeout(() => {
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if (ws.readyState !== WebSocket.OPEN) {
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ws.close();
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document.getElementById("token-error").style.display = "block";
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}
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}, 3000);
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ws.onopen = function () {
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console.log("Connected to WebSocket");
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clearTimeout(timeout);
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document.getElementById("token-screen").style.display = "none";
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document.querySelector(".container-fluid").style.display = "flex";
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statusDisplay.textContent = "WebSocket Status: Connected";
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statusDisplay.classList.add("connected");
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};
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ws.onerror = function () {
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clearTimeout(timeout);
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document.getElementById("token-error").style.display = "block";
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document.getElementById("status").textContent =
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"WebSocket Status: Connected";
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document.getElementById("status").classList.add("connected");
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};
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ws.onmessage = function (evt) {
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let obj = JSON.parse(evt.data);
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if (!userID) {
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userID = obj.user_id;
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updateVideoList();
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updateCurrentVideo();
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}
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switch (obj.type) {
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case "Output":
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addToOutput(obj.data);
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break;
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case "GetCurrentVideoPath":
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messagesArea.value = obj.output;
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messagesArea.scrollTop = messagesArea.scrollHeight;
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document.querySelector("#current-video>span").innerHTML =
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obj.data;
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break;
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case "GetVideoList":
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if (obj.success) {
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obj.currentVideoPath;
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const listContainer = document.querySelector(
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"#video-list-container .list-group"
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);
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listContainer.innerHTML = "";
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if (obj.success) {
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for (let item of obj.data) {
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obj.videoList.forEach((item) => {
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listContainer.innerHTML += `<li class="list-group-item"><i class="fas fa-file-video me-2"></i>${item}</li>`;
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}
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}
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}
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break;
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case "RemoveVideo":
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case "AddVideo":
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updateVideoList();
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updateCurrentVideo();
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break;
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}
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});
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};
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ws.onerror = function () {
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document.getElementById("token-error").style.display = "block";
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};
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ws.onclose = function () {
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console.log("Disconnected from WebSocket");
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statusDisplay.textContent = "WebSocket Status: Disconnected";
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statusDisplay.classList.remove("connected");
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document.getElementById("status").textContent =
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"WebSocket Status: Disconnected";
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document.getElementById("status").classList.remove("connected");
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setTimeout(connectWebSocket, 3000);
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};
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}
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function validateToken() {
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connectWebSocket();
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}
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const messagesArea = document.getElementById("messages");
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function addToOutput(message) {
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const timestamp = new Date().toLocaleTimeString();
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messagesArea.value += `[${timestamp}] ${message}\n`;
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messagesArea.scrollTop = messagesArea.scrollHeight;
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function sendWs(type) {
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if (ws && ws.readyState === WebSocket.OPEN) {
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ws.send(`{ "type": "${type}" }`);
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}
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function sendWs(type, args) {
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if (args) {
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ws.send(
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`{ "Type": "${type}", "Args": ${JSON.stringify(
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args
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)}, "user_id": "${userID}", "timestamp": ${Date.now()} }`
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);
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} else {
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ws.send(
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`{ "Type": "${type}", "user_id": "${userID}", "timestamp": ${Date.now()} }`
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);
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}
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}
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function updateCurrentVideo() {
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sendWs("GetCurrentVideoPath");
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}
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function updateVideoList() {
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sendWs("GetVideoList");
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}
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window.previousVideo = function () {
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@ -489,6 +435,9 @@
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window.closeConnection = function () {
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if (confirm("确定要关闭服务器吗?")) {
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sendWs("Quit");
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if (ws) {
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ws.close();
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}
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}
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};
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</script>
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@ -7,8 +7,8 @@ import (
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"fmt"
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"io"
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"live-streamer/config"
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"live-streamer/websocket"
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"log"
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"math"
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"os/exec"
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"strings"
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"sync"
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@ -21,23 +21,60 @@ type Streamer struct {
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cmd *exec.Cmd
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ctx context.Context
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cancel context.CancelFunc
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output strings.Builder
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manualControl bool
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mu sync.Mutex
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outputer websocket.Outputer
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}
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var GlobalStreamer *Streamer
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func NewStreamer(videoList []config.InputItem, outputer websocket.Outputer) *Streamer {
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func NewStreamer(videoList []config.InputItem) *Streamer {
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GlobalStreamer = &Streamer{
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videoList: videoList,
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currentVideoIndex: 0,
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cmd: nil,
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ctx: nil,
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outputer: outputer,
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}
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return GlobalStreamer
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}
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func (s *Streamer) start() {
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s.mu.Lock()
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s.ctx, s.cancel = context.WithCancel(context.Background())
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currentVideo := s.videoList[s.currentVideoIndex]
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videoPath := currentVideo.Path
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s.cmd = exec.CommandContext(s.ctx, "ffmpeg", s.buildFFmpegArgs(currentVideo)...)
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s.mu.Unlock()
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s.writeOutput(fmt.Sprintln("start stream: ", videoPath))
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pipe, err := s.cmd.StderrPipe()
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if err != nil {
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log.Printf("failed to get pipe: %v", err)
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return
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}
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reader := bufio.NewReader(pipe)
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if err := s.cmd.Start(); err != nil {
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s.writeOutput(fmt.Sprintf("starting ffmpeg error: %v\n", err))
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return
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}
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go s.log(reader)
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<-s.ctx.Done()
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s.writeOutput(fmt.Sprintf("stop stream: %s\n", videoPath))
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if s.manualControl {
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s.manualControl = false
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} else {
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// stream next video
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s.currentVideoIndex++
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if s.currentVideoIndex >= len(s.videoList) {
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s.currentVideoIndex = 0
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}
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}
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}
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func (s *Streamer) Stream() {
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for {
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if len(s.videoList) == 0 {
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@ -48,52 +85,17 @@ func (s *Streamer) Stream() {
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}
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}
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func (s *Streamer) start() {
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s.Stop()
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s.ctx, s.cancel = context.WithCancel(context.Background())
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currentVideo := s.videoList[s.currentVideoIndex]
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videoPath := currentVideo.Path
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s.outputer.Broadcast(websocket.MakeOutput(fmt.Sprint("start stream: ", videoPath)))
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s.mu.Lock()
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s.cmd = exec.CommandContext(s.ctx, "ffmpeg", s.buildFFmpegArgs(currentVideo)...)
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s.mu.Unlock()
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pipe, err := s.cmd.StderrPipe()
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if err != nil {
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log.Printf("failed to get pipe: %v", err)
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return
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}
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reader := bufio.NewReader(pipe)
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if err := s.cmd.Start(); err != nil {
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s.outputer.Broadcast(websocket.MakeOutput(fmt.Sprintf("starting ffmpeg error: %v\n", err)))
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return
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}
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go s.log(reader)
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<-s.ctx.Done()
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s.outputer.Broadcast(websocket.MakeOutput(fmt.Sprintf("stop stream: %s", videoPath)))
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// stream next video
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s.currentVideoIndex++
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if s.currentVideoIndex >= len(s.videoList) {
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s.currentVideoIndex = 0
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}
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}
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func (s *Streamer) Stop() {
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s.mu.Lock()
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defer s.mu.Unlock()
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if s.cancel != nil {
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stopped := make(chan error)
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go func() {
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if s.cmd != nil {
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stopped <- s.cmd.Wait()
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}
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}()
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s.cancel()
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s.mu.Lock()
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if s.cmd != nil && s.cmd.Process != nil {
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select {
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case <-stopped:
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@ -104,15 +106,24 @@ func (s *Streamer) Stop() {
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}
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s.cmd = nil
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}
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s.mu.Unlock()
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}
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}
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func (s *Streamer) writeOutput(str string) {
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s.mu.Lock()
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defer s.mu.Unlock()
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s.output.WriteString(str)
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}
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|
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func (s *Streamer) Add(videoPath string) {
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s.mu.Lock()
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defer s.mu.Unlock()
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s.videoList = append(s.videoList, config.InputItem{Path: videoPath})
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}
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|
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func (s *Streamer) Remove(videoPath string) {
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s.mu.Lock()
|
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defer s.mu.Unlock()
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for i, item := range s.videoList {
|
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if item.Path == videoPath {
|
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s.videoList = append(s.videoList[:i], s.videoList[i+1:]...)
|
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@ -128,18 +139,24 @@ func (s *Streamer) Remove(videoPath string) {
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}
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|
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func (s *Streamer) Prev() {
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s.mu.Lock()
|
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s.manualControl = true
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s.currentVideoIndex--
|
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if s.currentVideoIndex < 0 {
|
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s.currentVideoIndex = len(s.videoList) - 1
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}
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s.mu.Unlock()
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s.Stop()
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}
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func (s *Streamer) Next() {
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s.mu.Lock()
|
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s.manualControl = true
|
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s.currentVideoIndex++
|
||||
if s.currentVideoIndex >= len(s.videoList) {
|
||||
s.currentVideoIndex = 0
|
||||
}
|
||||
s.mu.Unlock()
|
||||
s.Stop()
|
||||
}
|
||||
|
||||
@ -157,11 +174,11 @@ func (s *Streamer) log(reader *bufio.Reader) {
|
||||
if n > 0 {
|
||||
videoPath, _ := s.GetCurrentVideoPath()
|
||||
buf = append([]byte(videoPath), buf...)
|
||||
s.outputer.Broadcast(websocket.MakeOutput(string(buf[:n+len(videoPath)])))
|
||||
s.writeOutput(string(buf[:n+len(videoPath)]))
|
||||
}
|
||||
if err != nil {
|
||||
if err != io.EOF {
|
||||
s.outputer.Broadcast(websocket.MakeOutput(fmt.Sprintf("reading ffmpeg output error: %v\n", err)))
|
||||
s.writeOutput(fmt.Sprintf("reading ffmpeg output error: %v\n", err))
|
||||
}
|
||||
break
|
||||
}
|
||||
@ -169,6 +186,60 @@ func (s *Streamer) log(reader *bufio.Reader) {
|
||||
}
|
||||
}
|
||||
|
||||
func (s *Streamer) GetCurrentVideoPath() (string, error) {
|
||||
s.mu.Lock()
|
||||
defer s.mu.Unlock()
|
||||
if len(s.videoList) == 0 {
|
||||
return "", errors.New("no video streaming")
|
||||
}
|
||||
return s.videoList[s.currentVideoIndex].Path, nil
|
||||
}
|
||||
|
||||
func (s *Streamer) GetVideoList() []config.InputItem {
|
||||
s.mu.Lock()
|
||||
defer s.mu.Unlock()
|
||||
return s.videoList
|
||||
}
|
||||
|
||||
func (s *Streamer) GetVideoListPath() []string {
|
||||
s.mu.Lock()
|
||||
defer s.mu.Unlock()
|
||||
var videoList []string
|
||||
for _, item := range s.videoList {
|
||||
videoList = append(videoList, item.Path)
|
||||
}
|
||||
return videoList
|
||||
}
|
||||
|
||||
func (s *Streamer) GetCurrentIndex() int {
|
||||
s.mu.Lock()
|
||||
defer s.mu.Unlock()
|
||||
return s.currentVideoIndex
|
||||
}
|
||||
|
||||
func (s *Streamer) GetOutput() string {
|
||||
s.mu.Lock()
|
||||
defer s.mu.Unlock()
|
||||
return s.output.String()
|
||||
}
|
||||
|
||||
func (s *Streamer) TruncateOutput() int {
|
||||
s.mu.Lock()
|
||||
defer s.mu.Unlock()
|
||||
currentSize := s.output.Len()
|
||||
if currentSize > math.MaxInt {
|
||||
newStart := currentSize - math.MaxInt
|
||||
trimmedOutput := s.output.String()[newStart:]
|
||||
s.output.Reset()
|
||||
s.output.WriteString(trimmedOutput)
|
||||
}
|
||||
return currentSize
|
||||
}
|
||||
|
||||
func (s *Streamer) Close() {
|
||||
s.Stop()
|
||||
}
|
||||
|
||||
func (s *Streamer) buildFFmpegArgs(videoItem config.InputItem) []string {
|
||||
videoPath := videoItem.Path
|
||||
|
||||
@ -209,30 +280,3 @@ func (s *Streamer) buildFFmpegArgs(videoItem config.InputItem) []string {
|
||||
|
||||
return args
|
||||
}
|
||||
|
||||
func (s *Streamer) GetCurrentVideoPath() (string, error) {
|
||||
if len(s.videoList) == 0 {
|
||||
return "", errors.New("no video streaming")
|
||||
}
|
||||
return s.videoList[s.currentVideoIndex].Path, nil
|
||||
}
|
||||
|
||||
func (s *Streamer) GetVideoList() []config.InputItem {
|
||||
return s.videoList
|
||||
}
|
||||
|
||||
func (s *Streamer) GetVideoListPath() []string {
|
||||
var videoList []string
|
||||
for _, item := range s.videoList {
|
||||
videoList = append(videoList, item.Path)
|
||||
}
|
||||
return videoList
|
||||
}
|
||||
|
||||
func (s *Streamer) GetCurrentIndex() int {
|
||||
return s.currentVideoIndex
|
||||
}
|
||||
|
||||
func (s *Streamer) Close() {
|
||||
s.Stop()
|
||||
}
|
||||
|
@ -1,6 +0,0 @@
|
||||
package websocket
|
||||
|
||||
type Outputer interface {
|
||||
Broadcast(v Response)
|
||||
Single(userID string, v Response)
|
||||
}
|
@ -1,47 +1,20 @@
|
||||
package websocket
|
||||
|
||||
type MessageType string
|
||||
type RequestType string
|
||||
|
||||
var (
|
||||
TypeOutput MessageType = "Output"
|
||||
TypeStreamNextVideo MessageType = "StreamNextVideo"
|
||||
TypeStreamPrevVideo MessageType = "StreamPrevVideo"
|
||||
TypeGetCurrentVideoPath MessageType = "GetCurrentVideoPath"
|
||||
TypeGetVideoList MessageType = "GetVideoList"
|
||||
TypeQuit MessageType = "Quit"
|
||||
TypeRemoveVideo MessageType = "RemoveVideo"
|
||||
TypeAddVideo MessageType = "AddVideo"
|
||||
const (
|
||||
TypeStreamNextVideo RequestType = "StreamNextVideo"
|
||||
TypeStreamPrevVideo RequestType = "StreamPrevVideo"
|
||||
TypeQuit RequestType = "Quit"
|
||||
)
|
||||
|
||||
type Request struct {
|
||||
Type MessageType `json:"type"`
|
||||
Args []string `json:"args"`
|
||||
UserID string `json:"user_id"`
|
||||
Type RequestType `json:"type"`
|
||||
}
|
||||
|
||||
type Date struct {
|
||||
Timestamp int64 `json:"timestamp"`
|
||||
}
|
||||
|
||||
type Response struct {
|
||||
Type MessageType `json:"type"`
|
||||
Success bool `json:"success"`
|
||||
Data any `json:"data"`
|
||||
Message string `json:"message"`
|
||||
UserID string `json:"user_id"`
|
||||
Timestamp int64 `json:"timestamp"`
|
||||
}
|
||||
|
||||
func MakeResponse(messageType MessageType, success bool, data any, message string) Response {
|
||||
return Response{
|
||||
Type: messageType,
|
||||
Success: success,
|
||||
Data: data,
|
||||
Message: message,
|
||||
}
|
||||
}
|
||||
|
||||
func MakeOutput(output string) Response {
|
||||
return Response{
|
||||
Success: true,
|
||||
Type: TypeOutput,
|
||||
Data: output,
|
||||
}
|
||||
CurrentVideoPath string `json:"currentVideoPath"`
|
||||
VideoList []string `json:"videoList"`
|
||||
Output string `json:"output"`
|
||||
}
|
||||
|
@ -1,60 +1,18 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"live-streamer/server"
|
||||
"live-streamer/websocket"
|
||||
"os"
|
||||
)
|
||||
|
||||
func websocketRequestHandler(req websocket.Response) {
|
||||
if req.UserID == "" {
|
||||
return
|
||||
}
|
||||
var resp websocket.Response
|
||||
switch websocket.MessageType(req.Type) {
|
||||
func websocketRequestHandler(reqType websocket.RequestType) {
|
||||
switch reqType {
|
||||
case websocket.TypeStreamNextVideo:
|
||||
GlobalStreamer.Next()
|
||||
resp = websocket.Response{
|
||||
Type: websocket.TypeStreamNextVideo,
|
||||
Success: true,
|
||||
}
|
||||
server.GlobalServer.Broadcast(resp)
|
||||
case websocket.TypeStreamPrevVideo:
|
||||
GlobalStreamer.Prev()
|
||||
resp = websocket.Response{
|
||||
Type: websocket.TypeStreamPrevVideo,
|
||||
Success: true,
|
||||
}
|
||||
server.GlobalServer.Broadcast(resp)
|
||||
case websocket.TypeGetCurrentVideoPath:
|
||||
videoPath, err := GlobalStreamer.GetCurrentVideoPath()
|
||||
if err != nil {
|
||||
resp = websocket.Response{
|
||||
Type: websocket.TypeGetCurrentVideoPath,
|
||||
Success: false,
|
||||
Message: err.Error(),
|
||||
}
|
||||
} else {
|
||||
resp = websocket.Response{
|
||||
Type: websocket.TypeGetCurrentVideoPath,
|
||||
Success: true,
|
||||
Data: videoPath,
|
||||
}
|
||||
}
|
||||
server.GlobalServer.Single(req.UserID, resp)
|
||||
case websocket.TypeGetVideoList:
|
||||
resp = websocket.Response{
|
||||
Type: websocket.TypeGetVideoList,
|
||||
Success: true,
|
||||
Data: GlobalStreamer.GetVideoListPath(),
|
||||
}
|
||||
server.GlobalServer.Single(req.UserID, resp)
|
||||
case websocket.TypeQuit:
|
||||
server.GlobalServer.Close()
|
||||
GlobalStreamer.Close()
|
||||
resp = websocket.Response{
|
||||
Type: websocket.TypeQuit,
|
||||
Success: true,
|
||||
}
|
||||
server.GlobalServer.Broadcast(resp)
|
||||
os.Exit(0)
|
||||
}
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user