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  1. I downloaded two mkv videos fromYoutube in 4K using 4kVideoDownloader, as ClipGrab couldn't do them, but now I can't convert those files or import them into any editing software, even though VLC will play them fine. Can anyone see what is wrong with the files?

    (link here to the files I make using 4K video Downloader):

    Would anyone be able to help me in finding a way to downloading these as a 4k mp4 (or anything FCPX can handle) file at highest settings?

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  2. There's nothing wrong with the files. I used youtube-dl to downloaded the 4K vp9 video and 160 Kbps opus audio in a webm file and was able to converted with VirtualDub2, ffmpeg, AviSynth, etc.

    Available streams:
    >youtube-dl -F
    [youtube] BwBr8Uk1Vwg: Downloading webpage
    [youtube] BwBr8Uk1Vwg: Downloading video info webpage
    [info] Available formats for BwBr8Uk1Vwg:
    format code  extension  resolution note
    249          webm       audio only tiny    3k , opus @ 50k (48000Hz), 23.45KiB
    250          webm       audio only tiny    3k , opus @ 70k (48000Hz), 23.45KiB
    251          webm       audio only tiny    3k , opus @160k (48000Hz), 23.45KiB
    140          m4a        audio only tiny  130k , m4a_dash container, mp4a.40.2@128k (44100Hz), 829.74KiB
    160          mp4        256x144    144p   49k , avc1.4d400c, 24fps, video only, 244.81KiB
    278          webm       256x144    144p   97k , webm container, vp9, 24fps, video only, 586.92KiB
    133          mp4        426x240    240p  103k , avc1.4d4015, 24fps, video only, 498.69KiB
    242          webm       426x240    240p  165k , vp9, 24fps, video only, 798.50KiB
    134          mp4        640x360    360p  285k , avc1.4d401e, 24fps, video only, 1.43MiB
    243          webm       640x360    360p  319k , vp9, 24fps, video only, 1.58MiB
    244          webm       854x480    480p  571k , vp9, 24fps, video only, 2.91MiB
    135          mp4        854x480    480p  599k , avc1.4d401e, 24fps, video only, 3.03MiB
    136          mp4        1280x720   720p 1287k , avc1.4d401f, 24fps, video only, 6.42MiB
    247          webm       1280x720   720p 1367k , vp9, 24fps, video only, 7.11MiB
    137          mp4        1920x1080  1080p 2464k , avc1.640028, 24fps, video only, 12.50MiB
    248          webm       1920x1080  1080p 2592k , vp9, 24fps, video only, 14.07MiB
    271          webm       2560x1440  1440p 8179k , vp9, 24fps, video only, 45.55MiB
    313          webm       3840x2160  2160p 17634k , vp9, 24fps, video only, 108.16MiB
    43           webm       640x360    360p , vp8.0, vorbis@128k, 4.07MiB
    18           mp4        640x360    360p  529k , avc1.42001E, mp4a.40.2@ 96k (44100Hz), 3.31MiB
    22           mp4        1280x720   720p 1157k , avc1.64001F, mp4a.40.2@192k (44100Hz) (best)
    youtube-dl download command:
    youtube-dl -f 313+251
    ffmpeg conversion to h.264+aac in mp4:
    ffmpeg -i Drone.webm Drone.mp4
    AviSynth script to open the video and audio (the audio was silent in this clip):
    a = LWLibavAudioSource("Drone.webm") 
    v = LWLibavVideoSource("Drone.webm") 
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  3. Hi, Thanks for this. I'll need to have a sit down and work out this youtube dl program. I tried after readings comments on this board, but got very confused with it being command based.
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  4. There are GUIs for it. I use TVDownloader
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  5. No problem converting the video with XviD4PSP and editing with PowerDirector
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  6. Thanks everyone for their help. Do you know if there any programs for Mac that can download these in 4K?

    Many thanks
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  7. Originally Posted by zizouillette View Post
    thank you!
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