Html5 Video Duration Without Playing Video
Solution 1:
For HTML5 you should be able to use the video tag's duration property, once the file's metadata is loaded. See this answer for a good way to do it:
Retrieving HTML5 video duration separately from the file
To quote the anwser by Mikushi:
myVideoPlayer.addEventListener('loadedmetadata', function() {
console.log(videoPlayer.duration);
});
By listening for the 'loadedmetadata' event you will ensure the duration value has been loaded.
More details on the loadedmetadata can be found here: http://www.w3schools.com/tags/av_event_loadedmetadata.asp
EDIT
As per @lucas-vasques 's comment, instead of the loadmetadata
event, you could use durationchange
which the MDN Media Events list describes as ...
The metadata has loaded or changed, indicating a change in duration of the media. This is sent, for example, when the media has loaded enough that the duration is known.
Solution 2:
<!DOCTYPE html><htmlxmlns="http://www.w3.org/1999/xhtml"><head><title></title><scripttype="text/javascript">functiongetDuration() {
var s = document.getElementById('a');
alert(s.duration)
}
</script></head><body><div><videosrc="2.mp4"id="a"controls="controls"></video><buttononclick="getDuration()">get duration</button></div></body></html>
Solution 3:
There is a special event triggered on video elements called "loadedmetadata". Once this one is triggered, properties such as duration are available on the video element.
Here's an exhaustive list of all HTML5 video events : http://www.w3.org/2010/05/video/mediaevents.html
Solution 4:
// Assume "video" is the video nodevar i = setInterval(function() {
if(video.readyState > 0) {
var minutes = parseInt(video.duration / 60, 10);
var seconds = video.duration % 60;
// (Put the minutes and seconds in the display)clearInterval(i);
}
}, 200);
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