Browser play in iOS 13.4 HEVC MP4
Posted 29 March 2020 - 10:40 AM
Before upgrades I had no problems playing HEVC MP4s in the browser. Note: I have to encode the files with video tag ‘hvc1’ rather than ‘hev1’.
No files play now and no errors in embyserver.txt. This is with direct play, no transcode or mux. The web interface doesn’t pop up playback error or anything. Just sits with the first frame showing and doesn’t continue. It’s sending progress 204 response to server every 10s. No errors or anything.
This is not using the iOS app so sorry if it’s in wrong forum.
Posted 29 March 2020 - 03:56 PM
Posted 29 March 2020 - 04:11 PM
In iOS 13.4 the web app can no longer auto play, that means you have to click play twice - first to start the video player, then you have to click the play button in the video player itself. It's a little clunky and we'll need to adjust by keeping the controls visible until you click it to start playing.
The iOS app will be much more seamless.
Posted 29 March 2020 - 05:01 PM
An interesting thing is when I drag the slider to further in the video, the frame comes up but sits there again after pressing play button.
Posted 02 April 2020 - 01:27 AM
(FFmpeg implementation via mpegts from emby server unfortunately doesn’t support the tag so the transmux option to mp4 container doesn’t work!)
Hi, actually it does. If you use your convert feature to convert to mp4, it will write the hvc1 tag into the file.
Posted 02 April 2020 - 08:14 PM
It seems to now work one in like many tries. I downgraded emby to 4.3 and also upgraded to 4.5 beta. Getting the same behaviour. Wifi is consistent at 20+ mbit so I don’t think it’s that as most my transcodes are 4-5 mbit. Only thing else changed recently is an update to OpenVPN as I’m connected remotely.
Posted 10 April 2020 - 05:55 PM
If they're direct playing then changing the server version won't have any impact. It must be due to a change in the browser following an iOS update. Yes perhaps in the future we can look into writing the hvc1 tag on the fly to preserve the direct play. In the meantime our conversion feature can help you do it ahead of time.
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