html5-video | 易学教程

Safari Picture In Picture - custom HTML5 video controller

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问题 Safari HTML5 custom video controller with Picture In Picture (PiP) At the WWDC15 Apple introduces Safari 9 (Safari 10 for MacOS) , there now have support for Picture in Picture. However, they just say: If you use custom HTML5 video controls, you can add Picture in Picture functionality using the JavaScript presentation mode API. but not telling how or where to find its documentation. The default video controller has the button, but how do I trigger it by javascript? 回答1: First if you are

Overlaying a DIV On Top Of HTML 5 Video

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问题 I need to overlay a div ON TOP of a div containing an HTML 5 video. In the example below the overlaying div's id is "video_overlays". See example below: <div id="video_box"> <div id="video_overlays"></div> <div> <video id="player" src="http://video.webmfiles.org/big-buck-bunny_trailer.webm" type="video/webm" onclick="this.play();">Your browser does not support this streaming content.</video> </div> </div> 回答1: There you go , i hope this helps http://jsfiddle.net/kNMnr/ here is the CSS also

What h.264 format loads on android AND IOS?

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问题 Theoretically both IOS and ANDROID will play h.264 files, but I can't figure out a setting to encode them so they actually work cross platform. Does anybody know how to encode for both Android and IOS using one file? p.s. I know all about html5 video and the fallback sources, I just don't want to encode and host a new video for every device that comes down the pike. 回答1: Here's the ffmpeg command line we use to transcode to MPEG-4 h.264 in our production environment. We've tested the output

How to autoplay HTML5 mp4 video on Android?

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I had developed a mobile page by asp.net to play mp4 video. I know iOS had disabled the autoplay function to minimize user bandwidth, so how can i autoplay HTML5 mp4 video on Android ? I had already put autoplay in HTML5 code, but it doesn't work. The following is my code: <video autoplay controls id='video1' width='100%' poster='images/top_icon.png' webkitEnterFullscreen poster preload='true'> <source src='http://192.xxx.xxx.xx/XXXXVM01.mp4' type='video/mp4; codecs='avc1.42E01E, mp4a.40.2' > </video> Moreover, I had fixed the problem that user click on the image overlay can play the video.

HTML5 - mp4 video does not play in IE9

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I have an mp4 video that I want to play in IE9 using HTML5 <video> tag. I added the MIME type to IIS 7 so if I browse http://localhost/video.mp4 it plays in both Chrome and IE9 but not in HTML5, Chrome plays the video in HTML though. Here's the code: <html> <body> <video src="video.mp4" width="400" height="300" preload controls> </video> </body> </html> Any ideas? Thanks UPDATE: Tried the same file in Firefox 5.0 and it didn't work either, only Chrome is able to play the mp4 video. for IE9 I found that a meta tag was required to set the mode <meta http-equiv="X-UA-Compatible" content="IE=Edge"

Redirect html5 video after play

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问题 I have an html 5 video which i remove the control buttons and added a js code in order for the user to play the video when the video is clicked. What I need to do is to bind an additional script that will redirect the page after the video plays without a page reload. Below is my js code. function play(){ var video = document.getElementById('video'); video.addEventListener('click',function(){ video.play(); },false); } And Here is my HTML5 Video Code <video id="video" width="770" height="882"

Play HTML5 Video when scrolled to

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问题 Is there anyway to autoplay a HTML5 video only when the user has the video (or a certain percentage of the video) in the browser viewport? 回答1: In brief Let's say our browser window W currently scrolled to y-position scrollTop and scrollBottom Our video will NOT be played when its position is at V1 or V2 as below snapshot. Code details $(document).ready(function() { // Get media - with autoplay disabled (audio or video) var media = $('video').not("[autoplay='autoplay']"); var tolerancePixel =

Dynamically using the first frame as poster in HTML5 video?

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问题 I'm wondering if there's any straightforward way to achieve this effect, without needing backend code to extract a frame, save it as a jpg and database it somewhere. An effect whereby the first frame of the video just shows up as the poster when the video loads would be so helpful (it would only work if the browser can play back the video obviously, which might be a little different from how poster traditionally works, but that is not a concern. 回答1: There is a Popcorn.js plugin called

HTML5 Video Dimensions

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I'm trying to get the dimensions of a video of which I'm overlaying onto a page with JavaScript, however it is returning the dimensions of the poster image instead of the actual video as it seems it's being calculated before the video is loaded. <video id="foo" src="foo.mp4"></video> var vid = document.getElementById("foo"); vid.videoHeight; // returns the intrinsic height of the video vid.videoWidth; // returns the intrinsic width of the video Spec: https://html.spec.whatwg.org/multipage/embedded-content.html#the-video-element natlee75 It should be noted that the currently accepted solution

What is a blob URL and why it is used?

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I am having very problems with blob URL. I was searching for src of a video tag on YouTube and I found that the video src was like: src="blob:https://crap.crap" I opened the blob URL that was in src of the video it gave an error. I can't open the link, but it was working with the src tag. How is this possible? Requirements: What is blob URL? Why it is used? Can I make my own blob URL on a server? If you have any additional details Blob URLs (ref W3C , official name) or Object-URLs (ref. MDN and method name) are used with a Blob or a File object. src="blob: https://crap.crap " I opened the blob