Win Windows Issue Blank screen for 4K mkv video in Leia 18.2 but audio and subtitle works
#1
Hi there, I have a couple of kodi instances (windows and fire tv). when I try to play a 4K file the video is not displayed as I only see a blank screen but audio works ok. I can also see subtitles if its there. any idea whats going on and how to fix it? I tried at least 3 4K files and same result. here is the mediainfo for the file and the kodi debugging log. any help is appreciated, thanks. 

File Info : 
Video
ID :1
Format :HEVC
Format/Info :High Efficiency Video Coding
Format profile :Main [email protected]@High
Codec ID :V_MPEGH/ISO/HEVC
Duration :2 h 1 min
Bit rate :13.0 Mb/s
Width :3 840 pixels
Height :1 608 pixels
Original height :2 160 pixels
Display aspect ratio :16:9
Frame rate mode :Constant
Frame rate :23.976 (24000/1001) FPS
Original frame rate :23.976 (23976/1000) FPS
Color space :YUV
Chroma subsampling :4:2:0
Bit depth :10 bits
Bits/(Pixel*Frame) :0.088
Stream size :11.0 GiB (93%)
Writing library :x265 3.0:[Linux][GCC 4.8.3][64 bit] 10bit
Encoding settings :cpuid=1111039 / frame-threads=1 / wpp / no-pmode / no-pme / no-psnr / no-ssim / log-level=2 / input-csp=1 / input-res=3840x2160 / interlace=0 / total-frames=0 / level-idc=50 / high-tier=1 / uhd-bd=0 / ref=4 / no-allow-non-conformance / repeat-headers / annexb / aud / hrd / info / hash=0 / no-temporal-layers / no-open-gop / min-keyint=96 / keyint=96 / gop-lookahead=0 / bframes=8 / b-adapt=2 / b-pyramid / bframe-bias=0 / rc-lookahead=25 / lookahead-slices=1 / scenecut=40 / radl=0 / no-splice / no-intra-refresh / ctu=64 / min-cu-size=8 / rect / no-amp / max-tu-size=32 / tu-inter-depth=1 / tu-intra-depth=1 / limit-tu=0 / rdoq-level=2 / dynamic-rd=0.00 / no-ssim-rd / signhide / no-tskip / nr-intra=0 / nr-inter=0 / no-constrained-intra / strong-intra-smoothing / max-merge=3 / limit-refs=3 / limit-modes / me=3 / subme=3 / merange=57 / temporal-mvp / weightp / no-weightb / no-analyze-src-pics / deblock=0:0 / sao / no-sao-non-deblock / rd=4 / no-early-skip / rskip / no-fast-intra / no-tskip-fast / no-cu-lossless / no-b-intra / no-splitrd-skip / rdpenalty=0 / psy-rd=2.00 / psy-rdoq=1.00 / no-rd-refine / no-lossless / cbqpoffs=0 / crqpoffs=0 / rc=abr / bitrate=13446 / qcomp=0.60 / qpstep=4 / stats-write=1 / stats-read=2 / cplxblur=20.0 / qblur=0.5 / vbv-maxrate=16135 / vbv-bufsize=40338 / vbv-init=0.9 / ipratio=1.40 / pbratio=1.30 / aq-mode=2 / aq-strength=1.00 / cutree / zone-count=0 / no-strict-cbr / qg-size=32 / no-rc-grain / qpmax=69 / qpmin=0 / no-const-vbv / sar=1 / overscan=0 / videoformat=5 / range=0 / colorprim=2 / transfer=2 / colormatrix=2 / chromaloc=0 / display-window=0 / max-cll=0,0 / min-luma=0 / max-luma=1023 / log2-max-poc-lsb=8 / vui-timing-info / vui-hrd-info / slices=1 / no-opt-qp-pps / no-opt-ref-list-length-pps / no-multi-pass-opt-rps / scenecut-bias=0.05 / no-opt-cu-delta-qp / no-aq-motion / no-hdr / no-hdr-opt / no-dhdr10-opt / no-idr-recovery-sei / analysis-reuse-level=5 / scale-factor=0 / refine-intra=0 / refine-inter=0 / refine-mv=0 / refine-ctu-distortion=0 / no-limit-sao / ctu-info=0 / no-lowpass-dct / refine-analysis-type=0 / copy-pic=1 / max-ausize-factor=1.0 / no-dynamic-refine / no-single-sei / no-hevc-aq / qp-adaptation-range=1.00
Language :English
Default :Yes
Forced :No

Kodi Log: 
https://pastebin.com/D4bdd6mV
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#2
looks like in x86 version of 18.3 Kodi is crashing when trying to play this file as well. no one having this issue? is it just me ? 🤔
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#3
Your log shows no crashing. I see you start playback of Hellboy and 30 seconds later you stopped playback. Then you exited Kodi.

There is no problem in your log.
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Links to : Forum rules (wiki) | Banned_Add-ons (wiki) | Debug Log (wiki)
Links to : HOW-TO:Create_Music_Library (wiki) | HOW-TO:Create_Video_Library (wiki) || Artwork (wiki) | Basic_controls (wiki) | Import-export_library (wiki) | Movie_sets (wiki) | NFO_files (wiki) | Quick start guide (wiki)
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#4
(2019-08-05, 21:59)Karellen Wrote: Your log shows no crashing. I see you start playback of Hellboy and 30 seconds later you stopped playback. Then you exited Kodi.

There is no problem in your log.
yes because the log is for 18.2 x86 version. it doesnt crash. just dont show the video. if I have subtitles it shows subtitles also but just over a black screen
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#5
Ok. sorry. I confused your post with another.

I see plenty of errors, but I am not familiar with this error as I have not seen it before.
ERROR: ffmpeg[53C8]: [swscaler] bad src image pointers

Maybe @afedchin or @fritsch might know what the issue is. A quick search on Google reveals an ffmpeg bug.
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Links to : Forum rules (wiki) | Banned_Add-ons (wiki) | Debug Log (wiki)
Links to : HOW-TO:Create_Music_Library (wiki) | HOW-TO:Create_Video_Library (wiki) || Artwork (wiki) | Basic_controls (wiki) | Import-export_library (wiki) | Movie_sets (wiki) | NFO_files (wiki) | Quick start guide (wiki)
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#6
(2019-08-05, 22:50)Karellen Wrote: Ok. sorry. I confused your post with another.

I see plenty of errors, but I am not familiar with this error as I have not seen it before.
ERROR: ffmpeg[53C8]: [swscaler] bad src image pointers

Maybe @afedchin or @fritsch might know what the issue is. A quick search on Google reveals an ffmpeg bug.

That’s what stood out to me as well and i am hoping like you suggest the experts may have an idea.
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#7
This post might help.

2812361 (post)
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Windows Issue Blank screen for 4K mkv video in Leia 18.2 but audio and subtitle works00