The issue of video tags not displaying previews on iPhone across all browsers is also accompanied by problems with controls not functioning correctly

As I delve into the world of HTML5 video tags, I encountered an issue where the video wouldn't show a preview frame initially. Instead, only the Resume button would appear. Furthermore, after playing the video with the Resume button, it wouldn't automatically display the button again once the video ended. Surprisingly, this problem seemed to be isolated to non-Android devices.

https://i.sstatic.net/09O1B.png

In order to address this issue, my goal is to create a preview image with a visible resume button. Additionally, I aim to implement a solution that will reset the video playback state after it reaches the end.

            const recordedMedia = document.createElement("video");
            recordedMedia.controls = true;
            // recordedMedia.autoplay = true;
            recordedMedia.setAttribute('playsinline', 'true')
            // recordedMedia.setAttribute('data-wf-ignore', 'true')
            // recordedMedia.setAttribute('data-object-fit', 'cover')
            recordedMedia.setAttribute('preload', 'metadata')
            recordedMedia.setAttribute('type', "video/mp4")

Answer №1

Method 1.

By appending #t=0.001 to the end of the video file URL, we instruct the browser to skip the first millisecond of the video. This action even prompts iOS Safari to preload and display that specific frame to the user.

The code would be written as follows:

<video>
  <source src="path-to-video.mp4#t=0.001" type="video/mp4" />
</video>

Method 2.

On iOS, WebKit does not automatically preload media data in order to conserve bandwidth, but you can change this behavior by using the preload attribute:

<video controls preload="metadata" src="...">
        Your browser does not support the video tag.
</video>

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