![]() In my video tag, I’ve got an ID of ambientVideo. Bonus: Play video when it appears on the screen # You need to use the path to the video that makes sense to your environment. In case you’re wondering, the path is how I refer to the root of my public folder. This is what most browsers will end up displaying. mp4 trying to play that video unsuccessfully because they are not aware of the hvc 1 codec. Without that, you’ll find browsers that think they know how to play a. ![]() Be sure you’ve got the type set to include the codecs portion. In my tests, Safari on desktop and on mobile will use this. Browsers will see this as the first source, and if they can play it, that’s the one they’ll choose to use. The two most important things are the order of the source tags and the type of each source. (Read more about the options for the video tag in the MDN Web Docs.) I also have an id of ambientVideo which I use to trigger the animation with an Intersection Observer that I’ll describe at the end of this post. You can see those parameters at the beginning of the video tag. This video tag is for a small animation that plays inline and it has no audio. Now click the Start function button and generate your. Depending on your computer, you may achieve different results when using hardware acceleration. In my tests, the hardware acceleration was the only way to get Shuttle Encoder to create the alpha channel successfully. Also, turn on the Hardware acceleration option. Under the Advanced features area, the Enable alpha channel option should be checked automatically. There are three options in the screenshot above.Īfter you’ve added your source video, select H. Using Shuttle Encoder again, make the H. Spoiler alert: it supports the alpha channel. 264 coded doesn’t support having an alpha channel. avi, etc.) contains the stream of video and/or audio. 264 is the codec, the piece of software, that converts the uncompressed video into a stream of compressed bits. This was my assumption, too, but I was conflating an mp 4 file and an H. mp4 video file does not support an alpha channel. 264 video you may be familiar with.Īfter a little online research, you may incorrectly discover the. mp4 with an alpha channel? That’s what we’re going to do, but it’s not the traditional H. A black background is shown where you’d expect the transparency to be used. webm video doesn’t include support for the alpha channel. webm, you might be wondering why we’re making another version of the video at all. ![]() Under the Advanced features area, choose Enable alpha channel. webm with alpha channelĪdd your source video in the Choose files area then select VP 9 as your function. Shutter Encoder will allow you to preserve the alpha channel when you’re creating your webm. Creating a webm version of the video # Based on the changelog, it looks like this was fixed in Shutter Encoder version 16. 1, the current version as of May 2023, successfully encodes the alpha channel. I’m happy to report that using Shutter Encoder version 17. Update, 25MAY 2023: I recently went through the process of creating a video with an alpha channel, as described in this post. I hope the bug is fixed in future versions of the software. 7 allowed me to continue to convert videos successfully. Based on what I’ve read, there is some issue with FFMPEG in versions after 15. I worked on encoding another video, as described here, using Shuttle Encoder version 15. Update, 10MAY 2022: When I wrote this post originally, I used Shuttle Encoder version 15. I did because I like the software I use to stick around. If you find the app useful, you should support the author. None of them worked as well as Shutter Encoder, which is free. I tried FFmpeg, Handbrake, Adobe Media Encoder, and several other online video encoding services. Shutter Encoder #Īfter many tests, I’ve chosen Shutter Encoder as the best encoder for this process. This doesn’t mean you need a Mac, but I don’t have the hardware to test on other platforms. If you’re on any other platform, your result may vary since I use the hardware acceleration option in one of the video conversions we’ll discuss below. After Effect Output Module Settings My hardware #īefore going further, you should know I am using an Apple Silicon Mac, a MacBook Pro.
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