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La conservation du net art au musée. Les stratégies à l’œuvre
26 mai 2011
Mis à jour : Juillet 2013
Langue : français
Type : Texte
Autres articles (73)
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Les tâches Cron régulières de la ferme
1er décembre 2010, parLa gestion de la ferme passe par l’exécution à intervalle régulier de plusieurs tâches répétitives dites Cron.
Le super Cron (gestion_mutu_super_cron)
Cette tâche, planifiée chaque minute, a pour simple effet d’appeler le Cron de l’ensemble des instances de la mutualisation régulièrement. Couplée avec un Cron système sur le site central de la mutualisation, cela permet de simplement générer des visites régulières sur les différents sites et éviter que les tâches des sites peu visités soient trop (...) -
Use, discuss, criticize
13 avril 2011, parTalk to people directly involved in MediaSPIP’s development, or to people around you who could use MediaSPIP to share, enhance or develop their creative projects.
The bigger the community, the more MediaSPIP’s potential will be explored and the faster the software will evolve.
A discussion list is available for all exchanges between users. -
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Sur d’autres sites (10013)
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Revision 8e8bc5f28b : Add dynamic range comment to vp9_int_pro_col Change-Id : If14d9f874bd0bf2c5a4559
16 juin 2015, par Jingning HanChanged Paths :
Modify /vp9/encoder/vp9_avg.c
Add dynamic range comment to vp9_int_pro_colChange-Id : If14d9f874bd0bf2c5a455982088fd70591f5ea5a
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Revision 4f1f510f16 : Add dynamic range comment to vp9_satd Change-Id : I75873846e6fdafbe7597a1bd01921
16 juin 2015, par Jingning HanChanged Paths :
Modify /vp9/encoder/vp9_avg.c
Add dynamic range comment to vp9_satdChange-Id : I75873846e6fdafbe7597a1bd0192115d2d1e9987
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Socket.io client in js and server in Socket.io go doesn't send connected messege and data
24 mars 2023, par OmriHalifaI am using
ffmpegandsocket.ioand I have some issues. I'm trying to send a connection request to a server written in Go through React, but I'm unable to connect to it. I tried adding the events in useEffect and it's still not working, what should I do ? i attaching my code in js and in go :
main.go

package main

import (
 "log"

 "github.com/gin-gonic/gin"

 socketio "github.com/googollee/go-socket.io"
)

func main() {
 router := gin.New()

 server := socketio.NewServer(nil)

 server.OnConnect("/", func(s socketio.Conn) error {
 s.SetContext("")
 log.Println("connected:", s.ID())
 return nil
 })

 server.OnEvent("/", "notice", func(s socketio.Conn, msg string) {
 log.Println("notice:", msg)
 s.Emit("reply", "have "+msg)
 })

 server.OnEvent("/", "transcoded-video", func(s socketio.Conn, data string) {
 log.Println("transcoded-video:", data)
 })

 server.OnEvent("/", "bye", func(s socketio.Conn) string {
 last := s.Context().(string)
 s.Emit("bye", last)
 s.Close()
 return last
 })

 server.OnError("/", func(s socketio.Conn, e error) {
 log.Println("meet error:", e)
 })

 server.OnDisconnect("/", func(s socketio.Conn, reason string) {
 log.Println("closed", reason)
 })

 go func() {
 if err := server.Serve(); err != nil {
 log.Fatalf("socketio listen error: %s\n", err)
 }
 }()
 defer server.Close()

 if err := router.Run(":8000"); err != nil {
 log.Fatal("failed run app: ", err)
 }
}



App.js

import './App.css';
import { useEffect } from 'react';
import { createFFmpeg, fetchFile } from '@ffmpeg/ffmpeg';
import { io } from 'socket.io-client'; 

function App() {
 const socket = io("http://localhost:8000",function() {
 // Send a message to the server when the client is connected
 socket.emit('clientConnected', 'Client has connected to the server!');
 })

 const ffmpegWorker = createFFmpeg({
 log: true
 })

 // Initialize FFmpeg when the component is mounted
 async function initFFmpeg() {
 await ffmpegWorker.load();
 }

 async function transcode(webcamData) {
 const name = 'record.webm';
 await ffmpegWorker.FS('writeFile', name, await fetchFile(webcamData));
 await ffmpegWorker.run('-i', name, '-preset', 'ultrafast', '-threads', '4', 'output.mp4');
 const data = ffmpegWorker.FS('readFile', 'output.mp4');
 
 // Set the source of the output video element to the transcoded video data
 const video = document.getElementById('output-video');
 video.src = URL.createObjectURL(new Blob([data.buffer], { type: 'video/mp4' }));
 
 // Remove the output.mp4 file from the FFmpeg virtual file system
 ffmpegWorker.FS('unlink', 'output.mp4');
 
 // Emit a "transcoded-video" event to the server with the transcoded video data
 socket.emit("transcoded-video", data.buffer)
 }
 
 

 let mediaRecorder;
 let chunks = [];
 
 // Request access to the user's camera and microphone and start recording
 function requestMedia() {
 const webcam = document.getElementById('webcam');
 navigator.mediaDevices.getUserMedia({ video: true, audio: true })
 .then(async (stream) => {
 webcam.srcObject = stream;
 await webcam.play();

 // Set up a MediaRecorder instance to record the video and audio
 mediaRecorder = new MediaRecorder(stream);

 // Add the recorded data to the chunks array
 mediaRecorder.ondataavailable = async (e) => {
 chunks.push(e.data);
 }

 // Transcode the recorded video data after the MediaRecorder stops
 mediaRecorder.onstop = async () => {
 await transcode(new Uint8Array(await (new Blob(chunks)).arrayBuffer()));

 // Clear the chunks array after transcoding
 chunks = [];

 // Start the MediaRecorder again after a 0 millisecond delay
 setTimeout(() => {
 mediaRecorder.start();
 
 // Stop the MediaRecorder after 3 seconds
 setTimeout(() => {
 mediaRecorder.stop();
 }, 500);
 }, 0);
 }

 // Start the MediaRecorder
 mediaRecorder.start();

 // Stop the MediaRecorder after 3 seconds
 setTimeout(() => {
 mediaRecorder.stop();
 }, 700);
 })
 }
 
 useEffect(() => {
 // Set up event listeners for the socket connection
 socket.on('/', function(){
 // Log a message when the client is connected to the server
 console.log("Connected to server!"); 
 });

 socket.on('transcoded-video', function(data){
 // Log the received data for debugging purposes
 console.log("Received transcoded video data:", data); 
 });

 socket.on('notice', function(data){
 // Emit a "notice" event back to the server to acknowledge the received data
 socket.emit("notice", "ping server!");
 });

 socket.on('bye', function(data){
 // Log the received data and disconnect from the server
 console.log("Server sent:", data); 
 socket.disconnect();
 });

 socket.on('disconnect', function(){
 // Log a message when the client is disconnected from the server
 console.log("Disconnected from server!"); 
 });
 }, [])

 return (
 <div classname="App">
 <div>
 <video muted="{true}"></video>
 <video autoplay="autoplay"></video>
 </div>
 <button>start streaming</button>
 </div>
 );
}

export default App;


What can i do to fix it ? thank you !!


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