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<blockquote data-quote="sunfish" data-source="post: 1285510" data-attributes="member: 168078">For some unknown reason I can't play HEVC encoded video with MP1 on my system. I have tried every trick I know, but nothing works. Video stutters and jumps, audio lags. However these same files WILL play with other media players such as VLC, MPV for Windows, stand alone Windows Media Player, and the MS Movies and TV app. So why, if HEVC plays on Windows Media Player in stand-alone mode, does it not play using MediaPortal?I have ruled out skins, since changing them does not matter. I prefer StreamedMP. I have ruled out my wifi connection to my media server (an SSD hardwired to my router), buy attempting to play HEVC directly from the OS Desktop. No change.I even tried different monitors and nothing changed.I changed the power settings for performance in the UEFI firmware and OS (probably redundant) and nothing changed.Here are some of my media computer specs:Version&nbsp; &nbsp; 10.0.19042 Build 19042System Type&nbsp; &nbsp; x64-based PCProcessor&nbsp; &nbsp; Intel(R) Atom(TM) x5-Z8350&nbsp; CPU @ 1.44GHz, 1441 Mhz, 4 Core(s), 4 Logical Processor(s)BIOS Version/Date&nbsp; &nbsp; American Megatrends Inc. 1.001, 12/14/2019SMBIOS Version&nbsp; &nbsp; 3.0BIOS Mode&nbsp; &nbsp; UEFIInstalled Physical Memory (RAM)&nbsp; &nbsp; 4.00 GBTotal Physical Memory&nbsp; &nbsp; 3.93 GBAvailable Physical Memory&nbsp; &nbsp; 1.46 GBTotal Virtual Memory&nbsp; &nbsp; 8.32 GBAvailable Virtual Memory&nbsp; &nbsp; 2.39 GBPage File Space&nbsp; &nbsp; 4.39 GBPage File&nbsp; &nbsp; C:\pagefile.sysHyper-V - VM Monitor Mode Extensions&nbsp; &nbsp; YesHyper-V - Second Level Address Translation Extensions&nbsp; &nbsp; YesHyper-V - Virtualization Enabled in Firmware&nbsp; &nbsp; YesHyper-V - Data Execution Protection&nbsp; &nbsp; YesI would post a MediaPortal log but I don't know which one is relevant.Here are some of the HEVC file specs:Format&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; : MatroskaFormat version&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; : Version 4File size&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; : 594 MiBDuration&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; : 23 min 39 sOverall bit rate&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; : 3 508 kb/sEncoded date&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; : UTC 2021-07-02 01:10:12Writing application&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; : mkvmerge v58.0.0 ('Supper's Ready') 64-bitWriting library&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; : libebml v1.4.2 + libmatroska v1.6.4VideoID&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; : 1Format&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; : HEVCFormat/Info&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; : High Efficiency Video CodingFormat profile&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; : Main 10@L4@MainCodec ID&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; : V_MPEGH/ISO/HEVCDuration&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; : 23 min 39 sBit rate&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; : 3 251 kb/sWidth&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; : 1 920 pixelsHeight&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; : 800 pixelsDisplay aspect ratio&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; : 2.40:1Frame rate mode&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; : ConstantFrame rate&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; : 25.000 FPSColor space&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; : YUVChroma subsampling&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; : 4:2:0Bit depth&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; : 10 bitsBits/(Pixel*Frame)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; : 0.085Stream size&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; : 550 MiB (93%)Writing library&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; : x265 3.5+20-4c4aee0bc:[DJATOM's Mod][Windows][GCC 10.2.1][64 bit] 10bitAudioID&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; : 2Format&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; : E-AC-3Format/Info&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; : Enhanced AC-3Commercial name&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; : Dolby Digital PlusCodec ID&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; : A_EAC3Duration&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; : 23 min 39 sBit rate mode&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; : ConstantBit rate&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; : 256 kb/sChannel(s)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; : 6 channelsChannel layout&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; : L R C LFE Ls RsSampling rate&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; : 48.0 kHzFrame rate&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; : 31.250 FPS (1536 SPF)Compression mode&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; : LossyStream size&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; : 43.3 MiB (7%)Language&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; : English</blockquote>

[QUOTE="sunfish, post: 1285510, member: 168078"] For some unknown reason I can't play HEVC encoded video with MP1 on my system. I have tried every trick I know, but nothing works. Video stutters and jumps, audio lags. However these same files WILL play with other media players such as VLC, MPV for Windows, stand alone Windows Media Player, and the MS Movies and TV app. So why, if HEVC plays on Windows Media Player in stand-alone mode, does it not play using MediaPortal? I have ruled out skins, since changing them does not matter. I prefer StreamedMP. I have ruled out my wifi connection to my media server (an SSD hardwired to my router), buy attempting to play HEVC directly from the OS Desktop. No change. I even tried different monitors and nothing changed. I changed the power settings for performance in the UEFI firmware and OS (probably redundant) and nothing changed. Here are some of my media computer specs: Version 10.0.19042 Build 19042 System Type x64-based PC Processor Intel(R) Atom(TM) x5-Z8350 CPU @ 1.44GHz, 1441 Mhz, 4 Core(s), 4 Logical Processor(s) BIOS Version/Date American Megatrends Inc. 1.001, 12/14/2019 SMBIOS Version 3.0 BIOS Mode UEFI Installed Physical Memory (RAM) 4.00 GB Total Physical Memory 3.93 GB Available Physical Memory 1.46 GB Total Virtual Memory 8.32 GB Available Virtual Memory 2.39 GB Page File Space 4.39 GB Page File C:\pagefile.sys Hyper-V - VM Monitor Mode Extensions Yes Hyper-V - Second Level Address Translation Extensions Yes Hyper-V - Virtualization Enabled in Firmware Yes Hyper-V - Data Execution Protection Yes I would post a MediaPortal log but I don't know which one is relevant. Here are some of the HEVC file specs: Format : Matroska Format version : Version 4 File size : 594 MiB Duration : 23 min 39 s Overall bit rate : 3 508 kb/s Encoded date : UTC 2021-07-02 01:10:12 Writing application : mkvmerge v58.0.0 ('Supper's Ready') 64-bit Writing library : libebml v1.4.2 + libmatroska v1.6.4 Video ID : 1 Format : HEVC Format/Info : High Efficiency Video Coding Format profile : Main 10@L4@Main Codec ID : V_MPEGH/ISO/HEVC Duration : 23 min 39 s Bit rate : 3 251 kb/s Width : 1 920 pixels Height : 800 pixels Display aspect ratio : 2.40:1 Frame rate mode : Constant Frame rate : 25.000 FPS Color space : YUV Chroma subsampling : 4:2:0 Bit depth : 10 bits Bits/(Pixel*Frame) : 0.085 Stream size : 550 MiB (93%) Writing library : x265 3.5+20-4c4aee0bc:[DJATOM's Mod][Windows][GCC 10.2.1][64 bit] 10bit Audio ID : 2 Format : E-AC-3 Format/Info : Enhanced AC-3 Commercial name : Dolby Digital Plus Codec ID : A_EAC3 Duration : 23 min 39 s Bit rate mode : Constant Bit rate : 256 kb/s Channel(s) : 6 channels Channel layout : L R C LFE Ls Rs Sampling rate : 48.0 kHz Frame rate : 31.250 FPS (1536 SPF) Compression mode : Lossy Stream size : 43.3 MiB (7%) Language : English [/QUOTE]

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