html5-video

问题 To give some context, I have a <video> tag that has a src attribute that points to a method on my node.js server. That method gets an mp4 file from another server, or rather part of an mp4 file, depending on the Range HTTP header specified by the browser, for example - Range:bytes=0- . Expected Behaviour (Chrome behaviour) To prevent my node.js server from downloading the entire file from the third party server, I have implemented a max buffer of around 5MB to download at one time. So if the

问题 To give some context, I have a <video> tag that has a src attribute that points to a method on my node.js server. That method gets an mp4 file from another server, or rather part of an mp4 file, depending on the Range HTTP header specified by the browser, for example - Range:bytes=0- . Expected Behaviour (Chrome behaviour) To prevent my node.js server from downloading the entire file from the third party server, I have implemented a max buffer of around 5MB to download at one time. So if the

问题 Context I usually set up quick GitHub pages to document a few developments I do. They are usually very simple pages, which I generate from the repo settings using the Page Generator. I want to continue using this method, as moving to proper gh-pages with jekyll is too much of an overhead for something so simple. Recently I came across a use case, where adding a simple 2 min video to the first section made a lot of sense. Not knowing any native markdown for HTML video I've decided to add the

问题 How can I detect when a video on iOS is closed? I am running videojs which launches HTML5 videos as native video players. In order to react properly, I want to get an event when the native player is closed. There are several similar questions to this one around here, but non of the answers work. First solution I tried: player.addEventListener('webkitendfullscreen', onVideoEndsFullScreen, false); Solution was proposed in 2012 here: How to figure out when a HTML5 video player enters the full

问题 I'm using cordova-plugin-wkwebview-external-screen to playback inline media on a secondary screen (via AirPlay or HDMI adapter). The media loads fine but does not autoplay videos in the external webview. (autoplay works fine in primary webview) In my config.xml I have the following: <preference name="AllowInlineMediaPlayback" value="true" /> <preference name="MediaTypesRequiringUserActionForPlayback" value="none" /> I have attempted adding the following configuration in

问题 How can I get a MP4's codec information in JavaScript so that I can check if the browser supports it? const audioCodec = '';//<---?? exmaple: "mp4a.40.2" const videoCodec = '';//<---?? example: "avc1.42e01e" const video = document.getElementById('video'); const mimeCodec = 'video/mp4; codecs="' + audioCodec + ', ' + videoCodec + '"'; if (!('MediaSource' in window) || !MediaSource.isTypeSupported(mimeCodec)) { console.error('Unsupported MIME type or codec: ', mimeCodec); } 回答1: There is no

问题 How can I get a MP4's codec information in JavaScript so that I can check if the browser supports it? const audioCodec = '';//<---?? exmaple: "mp4a.40.2" const videoCodec = '';//<---?? example: "avc1.42e01e" const video = document.getElementById('video'); const mimeCodec = 'video/mp4; codecs="' + audioCodec + ', ' + videoCodec + '"'; if (!('MediaSource' in window) || !MediaSource.isTypeSupported(mimeCodec)) { console.error('Unsupported MIME type or codec: ', mimeCodec); } 回答1: There is no

问题 How can I get a MP4's codec information in JavaScript so that I can check if the browser supports it? const audioCodec = '';//<---?? exmaple: "mp4a.40.2" const videoCodec = '';//<---?? example: "avc1.42e01e" const video = document.getElementById('video'); const mimeCodec = 'video/mp4; codecs="' + audioCodec + ', ' + videoCodec + '"'; if (!('MediaSource' in window) || !MediaSource.isTypeSupported(mimeCodec)) { console.error('Unsupported MIME type or codec: ', mimeCodec); } 回答1: There is no

问题 i have videos with multiple audio tracks. i want to play the video and want change audio tracks from video. Is there any way to make this in html or there is html supported player for this? 回答1: There is an API for it, but it's not very supported. However, there is a plugin for video.js called videojs-audio-tracks, but it still uses the audioTracks API, which isn't supported by Chrome, and needs manual enabling in Firefox. 回答2: If you want to grab the audio track from an html5 video you can

问题 i have videos with multiple audio tracks. i want to play the video and want change audio tracks from video. Is there any way to make this in html or there is html supported player for this? 回答1: There is an API for it, but it's not very supported. However, there is a plugin for video.js called videojs-audio-tracks, but it still uses the audioTracks API, which isn't supported by Chrome, and needs manual enabling in Firefox. 回答2: If you want to grab the audio track from an html5 video you can