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  • DeoVR not playing h265

Hi,
Wondering if anyone had this issue before and how they fixed it.
Maybe I'm missing some codecs?

Whenever I try to switch to h265, it goes blank, cycles through all the h265 resolutions then goes back to h264 and plays normal.

Tried switching to DirectShow and Unity player.
I'm on Windows 10, with a Windows Mixed Reality headset (HP Reverb G2) and have the K-Lite codec pack installed.
I can play h265 videos with other apps, like windows media player (though "Films & TV" app asks to install codecs from the Store).

Any ideas on how to proceed?

Thanks,

Sigh... nevermind, I had to buy for 1 U$D the HVEC Video extensions from Microsoft Store. that fixed the issue.
Too bad the app doesn't include the codec like VLC does, nor uses the one from K-Lite pack

    10 months later

    Had this issues while back now again, sadly buying the hevc from Microsoft still did not fix my issue

      ExtraXX
      You do not have to buy for it, there is an "OEM preinstalled" version of the Codec, you just can not find it in the store. Just google the URL and it takes you to the store page to exactly the same codec but for free.

        TfromC If you've already installed the HEVC codec from the Microsoft Store, have you also downloaded & installed the k-lite codec pack? Both are required in order to play HEVC (aka h265) files without issue.

          I actually have the opposite issue where h264 doesn’t work well. I get this weird juddery effect, almost like watching one of those animation things where they flick the pages of a book and you see the character move. I have to change over to h265 where picture is fine. I don’t actually know what the difference is, is one better than the other?

            petermc H265 offers better compression than h264, which basically just means you can get higher quality files with less data. H265 also has a larger maximum resolution that's playable with today's hardware vs h264.

            So in general, h265 is just straight up better in every way. Slightly more difficult to encode, but better.

            A far as why you're getting jittery picture with some h264 scenes, couple of possibilities I can think of. Depending on your GPU, it may have difficulty playing larger h264 files. Like I mentioned before, h265 files are more efficient, and often h264 scenes try to make up for it by utilizing a crazy high bitrate, which some GPU's (aka older ones) struggle to handle.

            Could also honestly be the studio you're watching, if you've noticed a pattern with the scenes. Some studios who use h264 may be using an older cam or not have the hardware/time/effort to re-encode scenes to h265. I've noticed a few of the smaller studios who tend to have a bit jittery of scenes, or scenes that looks like they're 30fps instead of 60fps.

                Assuming K-Lite and Microsoft HEVC are installed
                Click the Windows start button or Windows key on your keyboard and type codec tweak tool and run it.

                ableman
                1080ti can do h265 L6.2

                it's just impossible to hardware decode .264 L6.x - It's not an official MPEG4 format.
                Basically, the math for .264 and .265 is different. Hardware decoders don't have an instruction set to do .264 L6.x It doesn't matter if you have a 1080ti or 3090(ti). They can't do it. 😉

                  ableman They are probably the studio files I guess(?)
                  We have them too. ie https://www.sexlikereal.com/scenes/paula-shy-knows-how-to-please-a-man-25529
                  6K x264 7GB

                  x264/x265 still (can) give better quality because you can use ENcoding settings that hardware also can't do. Plus, it's a lot faster to encode .264 than .265, even if they are not official formats.

                  There's even a visual difference between the hardware codecs. AMD's codec for example are terrible for encoding. Their EPYC and Threadripper CPU's on the other hand are great for encoding!

                    petermc
                    I have the same issue with my Oculus Quest 2 when streaming from sexlikereal.com.
                    Sometimes DeoVR switches (for unknown reasons) to h264 and the video becomes choppy exactly as you describe.
                    This problem came up quite a while ago and since h265 works good and is better anyway I never really cared for this problem.