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Autres articles (108)
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MediaSPIP version 0.1 Beta
16 avril 2011, parMediaSPIP 0.1 beta est la première version de MediaSPIP décrétée comme "utilisable".
Le fichier zip ici présent contient uniquement les sources de MediaSPIP en version standalone.
Pour avoir une installation fonctionnelle, il est nécessaire d’installer manuellement l’ensemble des dépendances logicielles sur le serveur.
Si vous souhaitez utiliser cette archive pour une installation en mode ferme, il vous faudra également procéder à d’autres modifications (...) -
MediaSPIP 0.1 Beta version
25 avril 2011, parMediaSPIP 0.1 beta is the first version of MediaSPIP proclaimed as "usable".
The zip file provided here only contains the sources of MediaSPIP in its standalone version.
To get a working installation, you must manually install all-software dependencies on the server.
If you want to use this archive for an installation in "farm mode", you will also need to proceed to other manual (...) -
Amélioration de la version de base
13 septembre 2013Jolie sélection multiple
Le plugin Chosen permet d’améliorer l’ergonomie des champs de sélection multiple. Voir les deux images suivantes pour comparer.
Il suffit pour cela d’activer le plugin Chosen (Configuration générale du site > Gestion des plugins), puis de configurer le plugin (Les squelettes > Chosen) en activant l’utilisation de Chosen dans le site public et en spécifiant les éléments de formulaires à améliorer, par exemple select[multiple] pour les listes à sélection multiple (...)
Sur d’autres sites (12306)
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How to save data of packet.data using ffmpeg && c language ?
12 juin 2015, par patrickI’m try to build an app in c that extract audio from video and save it as audio file. I’m able to extract the audio but now the problem is how to save it. I wrote the code given below but it’s giving me an segmentation fault. Thanks in advance.
My code is :
AVOutputFormat* fmt = av_guess_format("mp3", NULL, NULL);;
AVFormatContext* oc = avformat_alloc_context();
oc->oformat = fmt;
avio_open2(&oc->pb, "test.mp3", AVIO_FLAG_WRITE,NULL,NULL);
AVStream* stream=NULL;
int cnt = 0;
while(av_read_frame(pFormatCtx, &packet)>=0) { //pFormatCtx is input file format context.
if (packet.stream_index==audioStream) {
int got_frame = 0;
if (avcodec_decode_audio4(pCodecCtx, pFrame, &got_frame, &packet) < 0) {
fprintf(stderr, "Error encoding frame\n");
exit(1);
}
if(got_frame) {
if (av_interleaved_write_frame(oc, &packet) < 0) {
printf(stderr, "Error writing frame\n");
exit(1);
}
}
}
av_free_packet(&packet);
av_init_packet(&packet);
} -
Error initializing FFmpegKit : "TypeError : Cannot read property 'getLogLevel' of null" in React Native
9 janvier, par Md Monirozzaman khanI'm developing a React Native application where I need to process videos using the ffmpeg-kit-react-native library. However, I'm encountering an issue during the initialization of FFmpegKitConfig. The error message is :


ERROR Error initializing FFmpegKit: [TypeError: Cannot read property 'getLogLevel' of null]


Here is my App.js code




import React, { useState, useEffect } from 'react';
import { StyleSheet, Text, View, TouchableOpacity, Alert, Dimensions, ScrollView, LayoutAnimation, UIManager, Platform } from 'react-native';
import * as ImagePicker from 'expo-image-picker';
import * as FileSystem from 'expo-file-system';
import { Video } from 'expo-av';
import { MaterialIcons } from '@expo/vector-icons';
import { FFmpegKit, FFmpegKitConfig, ReturnCode } from 'ffmpeg-kit-react-native';

const windowWidth = Dimensions.get('window').width;

if (Platform.OS === 'android') {
 UIManager.setLayoutAnimationEnabledExperimental && UIManager.setLayoutAnimationEnabledExperimental(true);
}

export default function App() {
 const [videoFiles, setVideoFiles] = useState([]);
 const [isGridView, setIsGridView] = useState(false);
 const [isConverting, setIsConverting] = useState(false);

 useEffect(() => {
 FFmpegKitConfig.init()
 .then(() => {
 console.log('FFmpegKit initialized');
 })
 .catch((error) => {
 console.error('Error initializing FFmpegKit:', error);
 });
 }, []);

 const pickVideo = async () => {
 const { status } = await ImagePicker.requestMediaLibraryPermissionsAsync();
 if (status !== 'granted') {
 alert('Sorry, we need media library permissions to make this work!');
 return;
 }

 let result = await ImagePicker.launchImageLibraryAsync({
 mediaTypes: ImagePicker.MediaTypeOptions.Videos,
 allowsMultipleSelection: true,
 });

 if (!result.canceled && result.assets.length > 0) {
 const newFiles = result.assets.filter(
 (newFile) => !videoFiles.some((existingFile) => existingFile.uri === newFile.uri)
 );

 if (newFiles.length < result.assets.length) {
 Alert.alert('Duplicate Files', 'Some files were already added.');
 }

 LayoutAnimation.configureNext(LayoutAnimation.Presets.easeInEaseOut);
 setVideoFiles([...videoFiles, ...newFiles]);
 }
 };

 const convertVideos = async () => {
 setIsConverting(true);
 const outputDir = `${FileSystem.documentDirectory}Output`;

 const dirInfo = await FileSystem.getInfoAsync(outputDir);
 if (!dirInfo.exists) {
 await FileSystem.makeDirectoryAsync(outputDir, { intermediates: true });
 }

 for (const video of videoFiles) {
 const { uri } = video;
 const filename = uri.split('/').pop();
 const outputFilePath = `${outputDir}/${filename.split('.').slice(0, -1).join('.')}_modified.mp4`;

 const ffmpegCommand = `-y -i "${uri}" -af "atempo=1.02, bass=g=4:f=80:w=3, treble=g=4:f=3200:w=3, firequalizer=gain_entry='entry(0,0);entry(62,2);entry(125,1.5);entry(250,1);entry(500,1);entry(1000,1);entry(2000,1.5);entry(4000,2.5);entry(8000,3);entry(16000,4)', compand=attacks=0.05:decays=0.25:points=-80/-80-50/-15-30/-10-10/-2:soft-knee=4:gain=2, deesser, highpass=f=35, lowpass=f=17000, loudnorm=I=-16:LRA=11:TP=-1.5, volume=3.9dB" -c:v copy -c:a aac -b:a 224k -ar 48000 -threads 0 "${outputFilePath}"`;

 try {
 const session = await FFmpegKit.execute(ffmpegCommand);
 const returnCode = await session.getReturnCode();

 if (ReturnCode.isSuccess(returnCode)) {
 console.log(`Video converted: ${outputFilePath}`);
 } else if (ReturnCode.isCancel(returnCode)) {
 console.log('Conversion cancelled');
 } else {
 console.error(`FFmpeg process failed: ${session.getFailStackTrace()}`);
 }
 } catch (error) {
 console.error(`Error converting video: ${error.message}`);
 }
 }

 setIsConverting(false);
 Alert.alert('Conversion Complete', 'All videos have been converted.');
 };

 const deleteVideo = (uri) => {
 LayoutAnimation.configureNext(LayoutAnimation.Presets.easeInEaseOut);
 setVideoFiles(videoFiles.filter((video) => video.uri !== uri));
 };

 const clearAllVideos = () => {
 LayoutAnimation.configureNext(LayoutAnimation.Presets.easeInEaseOut);
 setVideoFiles([]);
 };

 const toggleLayout = () => {
 LayoutAnimation.configureNext(LayoutAnimation.Presets.easeInEaseOut);
 setIsGridView(!isGridView);
 };

 return (
 <view style="{styles.container}">
 <text style="{styles.header}">Video Converter App</text>
 <touchableopacity style="{styles.addButton}">
 <text style="{styles.addButtonText}">Select or Browse Videos</text>
 </touchableopacity>
 <view style="{styles.headerContainer}">
 <text style="{styles.videoCount}">Total Videos: {videoFiles.length}</text>
 {videoFiles.length > 0 && (
 <>
 <touchableopacity style="{styles.clearButtonContainer}">
 <materialicons size="{24}" color="red" style="{styles.clearIcon}"></materialicons>
 <text style="{styles.clearAllText}">Clear All</text>
 </touchableopacity>
 <touchableopacity style="{styles.toggleLayoutButton}">
 <materialicons size="{24}" color="#fff"></materialicons>
 </touchableopacity>
 >
 )}
 </view>
 {isGridView ? (
 <scrollview contentcontainerstyle="{styles.gridContainer}">
 {videoFiles.map((item, index) => (
 <view key="{index}" style="{styles.videoItemGrid}">
 
 <touchableopacity>> deleteVideo(item.uri)} style={styles.deleteButtonGrid}>
 <materialicons size="{24}" color="red"></materialicons>
 </touchableopacity>
 </view>
 ))}
 </scrollview>
 ) : (
 <view style="{styles.list}">
 {videoFiles.map((item, index) => (
 <view key="{index}" style="{styles.videoItem}">
 
 <text style="{styles.fileName}">{decodeURI(item.fileName || item.uri.split('/').pop() || 'Unknown File')}</text>
 <touchableopacity>> deleteVideo(item.uri)} style={styles.deleteButton}>
 <materialicons size="{24}" color="red"></materialicons>
 </touchableopacity>
 </view>
 ))}
 </view>
 )}
 {videoFiles.length > 0 && (
 <touchableopacity style="{styles.convertButton}" disabled="{isConverting}">
 <text style="{styles.convertButtonText}">{isConverting ? 'Converting...' : 'Convert'}</text>
 </touchableopacity>
 )}
 </view>
 );
}

const styles = StyleSheet.create({
 container: {
 flex: 1,
 backgroundColor: '#fff',
 alignItems: 'center',
 padding: 10,
 },
 header: {
 fontSize: 24,
 fontWeight: 'bold',
 marginBottom: 5,
 },
 addButton: {
 backgroundColor: '#007BFF',
 padding: 15,
 borderRadius: 10,
 alignItems: 'center',
 marginBottom: 5,
 width: '100%',
 elevation: 2,
 shadowColor: '#000',
 shadowOffset: { width: 0, height: 5 },
 shadowOpacity: 0.8,
 shadowRadius: 2,
 },
 addButtonText: {
 color: '#fff',
 fontSize: 18,
 fontWeight: 'bold',
 },
 headerContainer: {
 flexDirection: 'row',
 alignItems: 'center',
 justifyContent: 'space-between',
 width: '100%',
 marginBottom: 10,
 },
 videoCount: {
 fontSize: 18,
 },
 clearButtonContainer: {
 flexDirection: 'row',
 alignItems: 'center',
 marginRight: 10,
 },
 clearIcon: {
 marginRight: 5,
 },
 clearAllText: {
 fontSize: 16,
 color: 'red',
 textDecorationLine: 'underline',
 },
 toggleLayoutButton: {
 backgroundColor: '#007BFF',
 padding: 1,
 borderRadius: 8,
 alignItems: 'center',
 justifyContent: 'center',
 },
 list: {
 flex: 1,
 width: '100%',
 },
 videoItem: {
 padding: 5,
 borderBottomColor: '#ccc',
 borderBottomWidth: 0.7,
 flexDirection: 'row',
 alignItems: 'center',
 },
 videoItemGrid: {
 flexDirection: 'column',
 alignItems: 'center',
 margin: 4,
 borderWidth: 1,
 borderColor: '#ccc',
 borderRadius: 8,
 padding: 2,
 position: 'relative',
 },
 thumbnail: {
 width: 70,
 height: 70,
 marginRight: 10,
 },
 thumbnailGrid: {
 width: 80,
 height: 80,
 marginBottom: 0,
 },
 fileName: {
 fontSize: 16,
 marginLeft: 10,
 flex: 1,
 },
 deleteButton: {
 marginLeft: 60,
 width: 20,
 height: 20,
 },
 deleteButtonGrid: {
 position: 'absolute',
 bottom: 5,
 right: 5,
 },
 convertButton: {
 backgroundColor: '#007BFF',
 padding: 15,
 borderRadius: 10,
 alignItems: 'center',
 marginTop: 20,
 width: '100%',
 },
 convertButtonText: {
 color: '#fff',
 fontSize: 18,
 fontWeight: 'bold',
 },
 gridContainer: {
 flexDirection: 'row',
 flexWrap: 'wrap',
 justifyContent: 'flex-start',
 paddingVertical: 5,
 paddingHorizontal: 5,
 width: '100%',
 },
});






App.json




{
 "expo": {
 "name": "VidoeConvert",
 "slug": "VidoeConvert",
 "version": "1.0.0",
 "orientation": "portrait",
 "icon": "./assets/icon.png",
 "userInterfaceStyle": "light",
 "splash": {
 "image": "./assets/splash.png",
 "resizeMode": "contain",
 "backgroundColor": "#ffffff"
 },
 "ios": {
 "supportsTablet": true
 },
 "android": {
 "adaptiveIcon": {
 "foregroundImage": "./assets/adaptive-icon.png",
 "backgroundColor": "#ffffff"
 },
 "package": "com.anonymous.VidoeConvert"
 },
 "web": {
 "favicon": "./assets/favicon.png"
 },
 "plugins": [
 "@config-plugins/ffmpeg-kit-react-native",
 "expo-build-properties"
 ]
 }
}






Package.json




{
 "name": "vidoeconvert",
 "version": "1.0.0",
 "main": "expo/AppEntry.js",
 "scripts": {
 "start": "expo start",
 "android": "expo run:android",
 "ios": "expo run:ios",
 "web": "expo start --web"
 },
 "dependencies": {
 "@config-plugins/ffmpeg-kit-react-native": "^8.0.0",
 "@expo/metro-runtime": "~3.2.1",
 "expo": "~51.0.17",
 "expo-asset": "~10.0.10",
 "expo-av": "^14.0.6",
 "expo-document-picker": "~12.0.2",
 "expo-file-system": "~17.0.1",
 "expo-image-picker": "~15.0.7",
 "expo-media-library": "~16.0.4",
 "expo-status-bar": "~1.12.1",
 "ffmpeg-kit-react-native": "^6.0.2",
 "react": "18.2.0",
 "react-dom": "18.2.0",
 "react-native": "^0.74.3",
 "react-native-document-picker": "^9.3.0",
 "react-native-ffmpeg": "^0.5.2",
 "react-native-vector-icons": "^10.1.0",
 "react-native-web": "~0.19.10",
 "expo-build-properties": "~0.12.3"
 },
 "devDependencies": {
 "@babel/core": "^7.20.0"
 },
 "private": true
}






Has anyone encountered a similar issue or can point me in the right direction to resolve this error ? Any help would be greatly appreciated !


How to remove the error ?


any configruation required for this project ?


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Anomalie #2378 (En cours) : dimensions MINimales pour les documents et logo
9 février 2021, par cedric -Traité dans https://git.spip.net/spip/medias/pulls/11 on y poursuit la discussion et on ferme ici
Syndiquer tout le site
