There’s definite improvement here. I’m on the skip ahead build of xbox os. Not sure if MS have made any adjustments to the fix since they deployed it to
I started by testing out my copy of The Dark Knight:
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Video Resolution 4K
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Duration 2:44:32
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Bitrate 60655 kbps
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Width 3840
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Height 2160
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Aspect Ratio 1.78
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Container MKV
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Video Frame Rate 24p
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Audio Profile ma
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Video Profile main 10
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Duration 2:44:32
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File The Dark Knight Rises (2012) Remux-2160p.mkv
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Size 69.71 GB
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Audio Profile ma
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Container MKV
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Video Profile main 10
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Codec HEVC
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Bitrate 59119 kbps
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Bit Depth 10
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Chroma Subsampling 4:2:0
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Color Primaries bt2020
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Color Range tv
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Color Space bt2020nc
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Color Trc smpte2084
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Frame Rate 23.976 fps
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Height 2160
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Level 5.1
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Profile main 10
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Ref Frames 1
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Width 3840
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Display Title 4K (HEVC Main 10 HDR)
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Codec DCA
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Channels 6
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Bitrate 1536 kbps
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Language English
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Audio Channel Layout 5.1(side)
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Bit Depth 24
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Profile ma
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Sampling Rate 48000 Hz
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Title DTS-HD MA 5.1
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Display Title English (DTS-HD MA 5.1)
I got about 10-15 minutes through with no issues apart from some frameskips. This is frustrating but I get this on 720p and 1080p content as well.
Then I watched Star Wars The Last Jedi:
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Video Resolution 4K
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Duration 2:31:51
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Bitrate 50841 kbps
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Width 3840
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Height 2160
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Aspect Ratio 1.78
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Container MKV
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Video Frame Rate 24p
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Video Profile main 10
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Duration 2:31:51
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File Star Wars The Last Jedi (2017) Remux-2160p.mkv
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Size 53.93 GB
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Container MKV
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Video Profile main 10
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Codec HEVC
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Bitrate 50009 kbps
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Bit Depth 10
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Chroma Subsampling 4:2:0
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Color Primaries bt2020
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Color Range tv
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Color Space bt2020nc
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Color Trc smpte2084
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Frame Rate 23.976 fps
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Height 2160
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Level 5.1
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Profile main 10
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Ref Frames 1
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Title MPEG-H HEVC Video / 45913 kbps / 2160p / 23.976 fps / 16:9 / Main 10 Profile 5.1 High / 4:2:0 / 10 bits / HDR / BT.2020
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Width 3840
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Display Title 4K (HEVC Main 10 HDR)
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Codec TRUEHD
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Channels 8
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Language English
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Audio Channel Layout 7.1
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Bit Depth 24
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Sampling Rate 48000 Hz
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Title Dolby Atmos/TrueHD Audio / 7.1-Atmos / 48 kHz / 4581 kbps / 24-bit
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Display Title English (TRUEHD 7.1)
Watched this all the way through. A few frameskips but otherwise good. Then I tried a few other files and no matter which one I tried the Xbox was transcoding to 480p. I tested out the Star Wars movie I’d just watched and sure enough it was being transcoded too. I quite the Plex app and when I started it up again it seemed to be working ok. I’m now watching Jurassic Park III which is the highest bitrate 4K movie I own:
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Video Resolution 4K
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Duration 1:32:20
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Bitrate 79194 kbps
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Width 3840
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Height 2160
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Aspect Ratio 1.78
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Container MKV
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Video Frame Rate 24p
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Audio Profile ma
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Video Profile main 10
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Duration 1:32:20
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File Jurassic Park III (2001) Remux-2160p.mkv
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Size 51.08 GB
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Audio Profile ma
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Container MKV
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Video Profile main 10
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Codec HEVC
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Bitrate 77466 kbps
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Bit Depth 10
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Chroma Subsampling 4:2:0
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Color Primaries bt2020
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Color Range tv
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Color Space bt2020nc
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Color Trc smpte2084
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Frame Rate 23.976 fps
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Height 2160
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Level 5.1
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Profile main 10
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Ref Frames 1
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Width 3840
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Display Title 4K (HEVC Main 10 HDR)
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Codec DCA
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Channels 8
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Bitrate 1536 kbps
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Language English
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Audio Channel Layout 7.1
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Bit Depth 24
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Profile ma
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Sampling Rate 48000 Hz
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Title DTS:X 7.1
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Display Title English (DTS-HD MA 7.1)
I’m halfway in and seems to be working fine.
I’ll report back if I have the transcoding issue again. Hoping it was just an anomaly.