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  1. Hello all.

    I downloaded (via IDM) a 4k 60p video from this channel:

    https://www.youtube.com/watch?v=PZrjDRCozbQ

    I tried to play it with VLC player, but I it wouldn't play. The screen would go crazy!

    Could you please download that video and let me know if you can play it?

    I want to see if I have a software issue or is my hardware not adequate for doe playing 4k 60p files.

    This is my computer's specs:

    Ram: 12 GB
    VGA: 2 Gb
    CPU: Intel(R) Core(TM) i7-4720HQ CPU @ 2.60GHz 2.59 GHz

    If this is hardware problem, what has to change? This is a laptop, though.

    If VLC is not powerful enough to play 4k 60 videos, what player should I use?

    I can play ordinary 4K videos (not 60) and also 2k 60 videos just fine.
    Last edited by kameralover; 7th Nov 2021 at 14:52.
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  2. ffmpeg -i video_original.mp4 -c copy video_fixed.mp4

    'PotPlayer' or 'MPC'.
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  3. Member
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    I won't download the file because it will take hours to download 5.44GB with my slow broadband Internet service. However, FireDM allowed me to see that the download would be a WebM file so I can make an educated guess.

    WebM typically uses VP9 for 4K. Your i7-4720HQ processor provides Intel HD graphics 4600 and your post doesn't mention any other GPU. Intel HD graphics 4600 can't decode VP9 using Quick Sync Video, which means the 2160p60 video must be decoded with software using the CPU alone. That is a heavy lift for a CPU.
    Last edited by usually_quiet; 7th Nov 2021 at 16:51.
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    Unfortunately, you don't have enough computer horsepower for a VP9 60 file. It plays fine on my XPS13 laptop with Intel UHD 620 graphics.
    It's not important the problem be solved, only that the blame for the mistake is assigned correctly
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  5. I don't know what you mean by "screen would go crazy" but the "best" video there is HDR and won't look right without an HDR monitor.

    Code:
    ID  EXT  RESOLUTION FPS |  FILESIZE    TBR  PROTO | VCODEC        VBR  ACODEC     ABR  ASR    MORE INFO
    --- ---- ---------- --- - ---------- ------ ----- - ----------- ------ --------- ---- ------- ---------------------------------
    139 m4a  audio only     |  9.38MiB     48k  https |                    mp4a.40.5  48k 22050Hz low, m4a_dash
    249 webm audio only     |  9.09MiB     47k  https |                    opus       47k 48000Hz low, webm_dash
    250 webm audio only     |  12.00MiB    62k  https |                    opus       62k 48000Hz low, webm_dash
    140 m4a  audio only     |  24.88MiB   129k  https |                    mp4a.40.2 129k 44100Hz medium, m4a_dash
    251 webm audio only     |  23.96MiB   124k  https |                    opus      124k 48000Hz medium, webm_dash
    17  3gp  176x144    8   |  14.23MiB    74k  https | mp4v.20.3     74k  mp4a.40.2   0k 22050Hz 144p
    160 mp4  256x144    30  |  16.52MiB    85k  https | avc1.4d400c   85k                         144p, mp4_dash
    278 webm 256x144    30  |  16.61MiB    86k  https | vp9           86k                         144p, webm_dash
    330 webm 256x144    60  |  46.25MiB   240k  https | vp9.2        240k                         144p60 HDR, webm_dash
    133 mp4  426x240    30  |  37.52MiB   195k  https | avc1.4d4015  195k                         240p, mp4_dash
    242 webm 426x240    30  |  36.01MiB   187k  https | vp9          187k                         240p, webm_dash
    331 webm 426x240    60  |  94.84MiB   493k  https | vp9.2        493k                         240p60 HDR, webm_dash
    134 mp4  640x360    30  |  72.46MiB   377k  https | avc1.4d401e  377k                         360p, mp4_dash
    18  mp4  640x360    30  |  141.46MiB  736k  https | avc1.42001E  736k  mp4a.40.2   0k 44100Hz 360p
    243 webm 640x360    30  |  77.11MiB   401k  https | vp9          401k                         360p, webm_dash
    332 webm 640x360    60  |  201.70MiB 1049k  https | vp9.2       1049k                         360p60 HDR, webm_dash
    135 mp4  854x480    30  |  116.88MiB  608k  https | avc1.4d401f  608k                         480p, mp4_dash
    244 webm 854x480    30  |  142.70MiB  742k  https | vp9          742k                         480p, webm_dash
    333 webm 854x480    60  |  378.20MiB 1967k  https | vp9.2       1967k                         480p60 HDR, webm_dash
    22  mp4  1280x720   30  |            2208k  https | avc1.64001F 2208k  mp4a.40.2   0k 44100Hz 720p
    136 mp4  1280x720   30  |  399.67MiB 2079k  https | avc1.4d401f 2079k                         720p (maybe throttled), mp4_dash
    247 webm 1280x720   30  |  284.12MiB 1478k  https | vp9         1478k                         720p (maybe throttled), webm_dash
    298 mp4  1280x720   60  |  646.20MiB 3362k  https | avc1.4d4020 3362k                         720p60, mp4_dash
    302 webm 1280x720   60  |  494.96MiB 2575k  https | vp9         2575k                         720p60, webm_dash
    334 webm 1280x720   60  |  860.83MiB 4479k  https | vp9.2       4479k                         720p60 HDR, webm_dash
    299 mp4  1920x1080  60  |  1.08GiB   5748k  https | avc1.64002a 5748k                         1080p60, mp4_dash
    303 webm 1920x1080  60  |  835.90MiB 4349k  https | vp9         4349k                         1080p60, webm_dash
    335 webm 1920x1080  60  |  1.29GiB   6850k  https | vp9.2       6850k                         1080p60 HDR, webm_dash
    308 webm 2560x1440  60  |  2.46GiB   13098k https | vp9         13098k                        1440p60, webm_dash
    336 webm 2560x1440  60  |  3.05GiB   16258k https | vp9.2       16258k                        1440p60 HDR, webm_dash
    315 webm 3840x2160  60  |  4.96GiB   26433k https | vp9         26433k                        2160p60, webm_dash
    337 webm 3840x2160  60  |  5.44GiB   28977k https | vp9.2       28977k                        2160p60 HDR, webm_dash
    Try specifying the non-HDR version.
    Last edited by jagabo; 7th Nov 2021 at 17:43.
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    Originally Posted by sum_guy View Post
    Unfortunately, you don't have enough computer horsepower for a VP9 60 file. It plays fine on my XPS13 laptop with Intel UHD 620 graphics.
    Yes.

    I had Intel HD 4600 Graphics on my old Haswell desktop. QSV could decode VP8 and 8-bit HEVC but that processor generation's iGPUs are too old to have QSV support for VP9 and 10-bit HEVC or HDR pass-through.

    I have Intel UHD 630 graphics on my two current desktops. QSV can decode VP9, AV1, and 10-bit HEVC. Plus there's support for HDR pass-through for HDR10 and Dolby Vision.

    [Edit]It turns out that I misremembered. Intel UHD 630 QSV doesn't support AV1 decoding. Support for AV1 decoding is available with Tiger Lake, Rocket Lake, and Alder Lake. The chart on the Wikipedia page for QSV looks like a fairly good reference for comparing the QSV features for various Intel processor families.

    I can't find an Intel reference to confirm it but that Wikipedia page says Haswell processors QSV can't decode VP8 or 8-bit HEVC either. So, it looks like I'm wrong there too. My memory just ain't what it used to be.
    Last edited by usually_quiet; 7th Nov 2021 at 22:14.
    Ignore list: hello_hello, tried, TechLord, Snoopy329
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  7. Originally Posted by usually_quiet View Post
    WebM typically uses VP9 for 4K. Your i7-4720HQ processor provides Intel HD graphics 4600 and your post doesn't mention any other GPU. Intel HD graphics 4600 can't decode VP9 using Quick Sync Video, which means the 2160p60 video must be decoded with software using the CPU alone. That is a heavy lift for a CPU.
    Actually, my laptop has 2 graphics card. One is Intel. The other is a 2gb Nvidia GTX 960M.

    So, is there a way I can put the more powerful video card to use for these videos?

    Image
    [Attachment 61695 - Click to enlarge]
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    Still not going to play that video, GTX960M supports H.264, VC1, MPEG2 1080p video decoder
    It's not important the problem be solved, only that the blame for the mistake is assigned correctly
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  9. Actually, when I download the video via Internet Download Manager, I can play this resolution just fine:

    336 webm 2560x1440 60 | 3.05GiB 16258k https | vp9.2 16258k 1440p60 HDR, webm_dash

    This is still vp9.2.

    Although, when you download with IDM, you get a MKV file not webm.


    I assume there is no way I can change my graphics card, is there?
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    Originally Posted by kameralover View Post
    Actually, when I download the video via Internet Download Manager, I can play this resolution just fine:

    336 webm 2560x1440 60 | 3.05GiB 16258k https | vp9.2 16258k 1440p60 HDR, webm_dash

    This is still vp9.2.

    Although, when you download with IDM, you get a MKV file not webm.


    I assume there is no way I can change my graphics card, is there?
    Maybe your CPU is powerful enough to decode VP9.2 at 1440p60 using software but not VP9.2 at 2160p60. Also, VLC can tone-map HDR video to simulate HDR on a non-HDR display.

    Laptop graphics cards are usually soldered in place and not removable.
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    As far as I know, graphics cards on laptops are typically not upgradeable..
    It's not important the problem be solved, only that the blame for the mistake is assigned correctly
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  12. Yes, laptops with interchangeable graphics cards are very rare.
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  13. Is the problem my graphics card or the CPU?

    How can I tell?
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    Originally Posted by kameralover View Post
    Is the problem my graphics card or the CPU?

    How can I tell?
    Both the graphics card and the CPU are problematic. Neither the processor's iGPU nor the discrete graphics card have the ability to decode VP9.2 and the processor itself isn't powerful enough to decode 2160p60 VP9.2 using software.
    Last edited by usually_quiet; 8th Nov 2021 at 16:46. Reason: grammar
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  15. That's a bummer. So there is no way I can play that video.
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    Originally Posted by kameralover View Post
    That's a bummer. So there is no way I can play that video.
    I don't think it's possible using that laptop. You would need a newer, more capable computer.
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  17. I'm a Super Moderator johns0's Avatar
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    Laptops usually have half the horsepower for the same cost of desktop computers so unless you need a laptop best to get a desktop.
    I think,therefore i am a hamster.
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    I downloaded the 854x480 version and put it up on my LG TV. Appears to be HDR HLG.
    Even at that low-res, it looks pretty good

    What's the point of downloading the 4k version if it's beyond the native screen resolution?
    Might as well download 1080p
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    Originally Posted by davexnet View Post
    I downloaded the 854x480 version and put it up on my LG TV. Appears to be HDR HLG.
    Even at that low-res, it looks pretty good

    What's the point of downloading the 4k version if it's beyond the native screen resolution?
    Might as well download 1080p
    An HDMI 1.4 connection, the best HDMI connection available from computers of that era, won't support 2160p output above 30fps anyway.
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  20. I realized VLC doesn't use my GPU when I play heavy files:

    Image
    [Attachment 61984 - Click to enlarge]


    I still think if there is a way the software part can be optimized, my laptop can play 4k 60fps.
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    Some of the best minds (myself excluded) here on Videohelp have already explained, it won't play it. Time to bury the thread.
    It's not important the problem be solved, only that the blame for the mistake is assigned correctly
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  22. Originally Posted by sum_guy View Post
    Some of the best minds (myself excluded) here on Videohelp have already explained, it won't play it. Time to bury the thread.
    It's funny you should say that. I actually found a way to make the NVIDIA my primary GPU processor and now my laptop plays 4k 60FPS smoothly!

    I realized NVIDIA wasn't being used before and I changed that.

    Image
    [Attachment 61986 - Click to enlarge]
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  23. Now, could someone please try playing 8k offline?

    https://www.youtube.com/watch?v=eTtBDJn1Lqg
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    Yes, but your display isn't 4k so you are not actually getting 4k, you're playing a lower resolution. The max resolution of your GTX is H.264, VC1, MPEG2 1080p video decoder...
    Last edited by sum_guy; 24th Nov 2021 at 18:09.
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    When I get a new laptop (after Christmas) I'll try it. Based on the specs, in theory, the laptop I want can play that 8K video, although on a regular 1080p display. The Intel i5-1135G7 processor's Iris Xe Graphics can decode AV1 video and provides DisplayPort 1.4, which supports 8K video at 60fps. However, it only has 8GB of RAM so that could be an insurmountable limitation.
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    Here you go, here's an 8k sample - 2mb, I was not able to play it on my Dell XPS with Intel UHD 620, I get audio but no video.

    https://files.videohelp.com/u/84671/Ghost%20Towns%20in%208K%20(FUHD%204320p).mkv
    It's not important the problem be solved, only that the blame for the mistake is assigned correctly
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  27. Originally Posted by sum_guy View Post
    Here you go, here's an 8k sample - 2mb, I was not able to play it on my Dell XPS with Intel UHD 620, I get audio but no video.

    https://files.videohelp.com/u/84671/Ghost%20Towns%20in%208K%20(FUHD%204320p).mkv
    That sample contains no video, only audio.
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    Well I botched that nicely, I'll try for another 8k sample, they seem hard to find, no shortage of 4k
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  29. There is an 8K video here on this page:

    https://www.youtube.com/watch?v=eTtBDJn1Lqg

    But no computer in the world can play it offline! I hope software developers optimize these players so that they can play 8k smoothly.
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    The problem I'm running into is in actually downloading an 8k video. Yes, I can play them on Youtube but they are downsampled, if I try to download them they are downsampled.
    It's not important the problem be solved, only that the blame for the mistake is assigned correctly
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