4K playback

[Zambucco]

eternaldesire.24.09.13.marichka.glory.hot.reading.4k.mp4.MediaInfo.txt
I often have an error message when I attempt to play a 4K file, it plays in other apps on my Chromecast with Google TV so it's not the file.

I have attached the Mediainfo file

I have a feeling that it might be the audio codec AAC LC would this be a cause? I am currently encoding with AC3 to see if this is the problem

[damontecres]

I don't think it is the audio. AAC LC is very common and widely supported.

But according to https://developers.google.com/cast/docs/media#chromecast_with_google_tv, it looks like the max supported H264 level is 5.1. Your media info says the file is level 5.2 probably due to the 50fps. I think 5.1 tops out at 4k@30fps.

You said it plays in other apps which is not all that surprising because the bitrate is low, so the decoder should easily handle it if its not being strict.

I've noticed a similar issue with a couple of my videos (not even 4k). I think my app might be too strict at checking for support somehow. I have to investigate how to tweak this.

[Zambucco]

Thank you for the reply, I now know what rate to encode at

[WirlyWirly]

While the Nvidia ShieldTV doesn't have HW support for AV1, I find that Kodi does an okay job at playing it depending on the bitrate. StashTV on the other hand just displays a black screen.

I've run into this with mpeg as-well, Kodi will play it fine but StashTV just blacks-out. I assume it's a codec issue.