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Médias (1)
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1 000 000 (wav version)
26 septembre 2011, par
Mis à jour : Avril 2013
Langue : English
Type : Audio
Autres articles (52)
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Le plugin : Podcasts.
14 juillet 2010, parLe problème du podcasting est à nouveau un problème révélateur de la normalisation des transports de données sur Internet.
Deux formats intéressants existent : Celui développé par Apple, très axé sur l’utilisation d’iTunes dont la SPEC est ici ; Le format "Media RSS Module" qui est plus "libre" notamment soutenu par Yahoo et le logiciel Miro ;
Types de fichiers supportés dans les flux
Le format d’Apple n’autorise que les formats suivants dans ses flux : .mp3 audio/mpeg .m4a audio/x-m4a .mp4 (...) -
Organiser par catégorie
17 mai 2013, parDans MédiaSPIP, une rubrique a 2 noms : catégorie et rubrique.
Les différents documents stockés dans MédiaSPIP peuvent être rangés dans différentes catégories. On peut créer une catégorie en cliquant sur "publier une catégorie" dans le menu publier en haut à droite ( après authentification ). Une catégorie peut être rangée dans une autre catégorie aussi ce qui fait qu’on peut construire une arborescence de catégories.
Lors de la publication prochaine d’un document, la nouvelle catégorie créée sera proposée (...) -
Les autorisations surchargées par les plugins
27 avril 2010, parMediaspip core
autoriser_auteur_modifier() afin que les visiteurs soient capables de modifier leurs informations sur la page d’auteurs
Sur d’autres sites (11867)
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RecordRTC only recording stop after 1min
2 novembre 2015, par Mick JackI am using RecordRTC to record a webcam stream and using ffmpeg to convert the output into .mp4 recording of 1min video is fine and the browser merge both the audio and video into a single .mp4 however recording that is longer than 1min will encounter this error.
My Sample Code
function setupNewBroadcastButtonClickHandler() {
document.getElementById('broadcast-name').disabled = true;
document.getElementById('setup-new-broadcast').disabled = true;
//document.getElementById('save-video').disabled = true;
captureUserMedia(function() {
var shared = 'video';
broadcastUI.createRoom({
roomName: (document.getElementById('broadcast-name') || {}).value || 'Anonymous',
isAudio: shared === 'audio'
});
});
hideUnnecessaryStuff();
}
var audioRecorder, videoRecorder, videoURL, connectionStream;
function initRecorders(stream) {
//document.getElementById('start-recording').disabled = false;
document.getElementById('stop-recording').disabled = false;
//document.getElementById('save-video').disabled = false;
//document.getElementById('start-recording').onclick = function() {
this.disabled = true;
audioRecorder = RecordRTC(stream, {
recorderType: StereoAudioRecorder,
bufferSize: 16384, // mandatory: if 720p output is forced. otherwise: optional
width: 1280, // optional---- to get 720p output
height: 720
});
videoRecorder = RecordRTC(stream, {
type: 'video',
frameInterval: 90
});
videoRecorder.initRecorder(function() {
audioRecorder.initRecorder(function() {
audioRecorder.startRecording();
videoRecorder.startRecording();
});
});
//};
document.getElementById('stop-recording').onclick = function() {
this.disabled = true;
//document.getElementById('start-recording').disabled = false;
//document.getElementById('save-video').disabled = false;
videoRecorder.stopRecording(function() {
audioRecorder.stopRecording(function() {
var audioBlob = audioRecorder.blob;
var videoBlob = videoRecorder.blob;
convertStreams(videoBlob, audioBlob);
// Generate video URL
//var video = document.createElement('video');
//video.src = URL.createObjectURL(videoBlob);
//videoURL = video.src;
});
});
stream.stop();
};
/*document.getElementById('save-video').onclick = function() {
this.disabled = true;
downloadURI(videoURL, 'video.webm');
};*/
}
function captureUserMedia(callback) {
var htmlElement = document.createElement('video');
htmlElement.setAttribute('autoplay', true);
htmlElement.setAttribute('controls', true);
videosContainer.insertBefore(htmlElement, videosContainer.firstChild);
var mediaConfig = {
video: htmlElement,
onsuccess: function(stream) {
config.attachStream = stream;
callback && callback();
//htmlElement.setAttribute('muted', true);
scaleVideos();
initRecorders(stream);
},
onerror: function() {
alert('unable to get access to your webcam');
}
};
getUserMedia(mediaConfig);
}
var broadcastUI = broadcast(config);
/* UI specific */
var videosContainer = document.getElementById('videos-container') || document.body;
var setupNewBroadcast = document.getElementById('setup-new-broadcast');
var roomsList = document.getElementById('rooms-list');
var broadcastingOption = document.getElementById('broadcasting-option');
if (setupNewBroadcast)
setupNewBroadcast.onclick = setupNewBroadcastButtonClickHandler;
function hideUnnecessaryStuff() {
var visibleElements = document.getElementsByClassName('visible'),
length = visibleElements.length;
for (var i = 0; i < length; i++) {
visibleElements[i].style.display = 'none';
}
}
var workerPath = 'https://4dbefa02675a4cdb7fc25d009516b060a84a3b4b.googledrive.com/host/0B6GWd_dUUTT8WjhzNlloZmZtdzA/ffmpeg_asm.js';
// HTML5 create a new thread to run merging and conversion at background
function processInWebWorker() {
var blob = URL.createObjectURL(new Blob(['importScripts("' + workerPath + '");var now = Date.now;function print(text) {postMessage({"type" : "stdout","data" : text});};onmessage = function(event) {var message = event.data;if (message.type === "command") {var Module = {print: print,printErr: print,files: message.files || [],arguments: message.arguments || [],TOTAL_MEMORY: message.TOTAL_MEMORY || false};postMessage({"type" : "start","data" : Module.arguments.join(" ")});postMessage({"type" : "stdout","data" : "Received command: " +Module.arguments.join(" ") +((Module.TOTAL_MEMORY) ? ". Processing with " + Module.TOTAL_MEMORY + " bits." : "")});var time = now();var result = ffmpeg_run(Module);var totalTime = now() - time;postMessage({"type" : "stdout","data" : "Finished processing (took " + totalTime + "ms)"});postMessage({"type" : "done","data" : result,"time" : totalTime});}};postMessage({"type" : "ready"});'], {
type: 'application/javascript'
}));
var worker = new Worker(blob);
URL.revokeObjectURL(blob);
return worker;
}
var worker;
function convertStreams(videoBlob, audioBlob) {
var vab;
var aab;
var buffersReady;
var workerReady;
var posted = false;
var fileReader1 = new FileReader();
fileReader1.onload = function() {
vab = this.result;
if (aab)
buffersReady = true;
if (buffersReady && workerReady && !posted)
postMessage();
};
var fileReader2 = new FileReader();
fileReader2.onload = function() {
aab = this.result;
if (vab)
buffersReady = true;
if (buffersReady && workerReady && !posted)
postMessage();
};
fileReader1.readAsArrayBuffer(videoBlob);
fileReader2.readAsArrayBuffer(audioBlob);
if (!worker) {
worker = processInWebWorker();
}
worker.onmessage = function(event) {
var message = event.data;
var message = event.data;
if (message.type == "ready") {
log('Start converting video and audio to mp4, please wait...');
workerReady = true;
if (buffersReady)
postMessage();
} else if (message.type == "done") {
var result = message.data[0];
var blob = new Blob([result.data], {
type: 'video/mp4'
});
log("Done converting. File will be downloaded");
document.getElementById('setup-new-broadcast').disabled = false;
var source = document.createElement('source');
source.src = URL.createObjectURL(blob);
source.type = 'video/mp4; codecs=mpeg4';
downloadURI(source.src, 'video.mp4');
}
};
var postMessage = function() {
posted = true;
worker.postMessage({
type: 'command',
arguments: [
'-i', 'video.webm',
'-i', 'audio.wav',
'-c:v', 'mpeg4',
'-c:a', 'vorbis',
'-b:v', '6400k',
'-b:a', '4800k',
'-strict', 'experimental', 'output.mp4'
],
files: [
{
data: new Uint8Array(vab),
name: "video.webm"
},
{
data: new Uint8Array(aab),
name: "audio.wav"
}
]
});
};
} -
classes.jar not getting generated in .aar file
20 septembre 2016, par vasanthI am using Android Studio AI-141.216xxx.
I generated a .aar file from FFMPEG module/library from this project :
https://github.com/WritingMinds/ffmpeg-android-javaI then tried to import a .aar locally into a module in some other application.
imports were failing.
But, when I checked in the ’generated’ folder,
I see that classes.jar is empty.Would you know why this is happening ? Any pointer is highly appreciated.
Thanks in advance. -
Trimming of videos using FFMPEG [on hold]
14 décembre 2015, par Praveen RawatI have downloaded video trimming code from github from this https://github.com/uday-rayala/video-trimmer
It’s working perfectly for the first time, but when I try to run it for the second time the code crashes without any exception then again when I try to run it for the 3rd time after the crash it works ! Does any one have any idea for this kind of behaviour ?
I am also developing an application which has one module of trimming videos. I would really appreciate it, if any one could help me .this question asked , but cant understand what i have to done . Please sort out this.
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