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Fixing Corrupted Files


atlemacks
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atlemacks

OK, so quick scenario, I have a Shared Drive where I store all my videos within my personal organizations Google Drive, then I use the Drive client app to "stream" the content back to my PC that runs the Emby Server. I replaced one of my m.2 SSD's 2 weeks ago with a Gen 4 PCIe SSD (up from Gen 3), cloned everything from the original boot drive no issues whatsoever. 

Literally everything else works, even the other files contained within the folders Emby stores the thumbnails, etc. So, I am wondering if what was cached was the mp4 header? That seems to be what is missing. The videos will not even open on VLC (Windows 10 or 11), and they seem to be missing properties like runtime in the properties tab for the file. 

Here's where it gets even weirder. Because the files are stored on Drive, I figured I would try playing one that can't be played by Emby or Windows in the baked in media player. They all work perfectly fine from there. New media that I have added to Emby since this incident works perfectly fine and some of the movies I have randomly audited just to see if maybe it's only like the first 100/1113 or whatever, work perfectly fine as well. So, I am just assuming the drive migration had something to do with it.

My question is, is there a way to fix these files, preferably in batch? I have tried the whole ordeal with VLC, and Wondershare, neither of them seemed to work. They can't be imported into Adobe Media Encoder or Premier either.

Thanks in advance!

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atlemacks

>> ThrottleBySegmentRequest: Initialize - TargetBufferSize: 120s
2021-10-28 18:34:55.036
Operating System: Microsoft Windows 10.0.22000
OS/Process: x64/x64
Emby Server version: 4.6.4.0
Operating system: Microsoft Windows NT 6.2.9200.0
Command Line: D:\Emby Server\system\EmbyServer.dll

App: Emby Web 4.6.4.0
Chrome

http://localhost:8096/emby/videos/1060/live.m3u8?DeviceId=090a540d-7474-4c78-a5c5-7b6892bf1951&MediaSourceId=a170d91e2db7b3c5bd248a498acbc5d4&PlaySessionId=5089566f4dbe42dc8dee7ebb1d0145c6&api_key=ec0178314e63407b9237a622602d0e2e&VideoCodec=h264&VideoBitrate=140000000&TranscodingMaxAudioChannels=2&SegmentContainer=ts&MinSegments=1&BreakOnNonKeyFrames=True&ManifestSubtitles=vtt&h264-profile=high,main,baseline,constrainedbaseline,high10&h264-level=52&TranscodeReasons=VideoCodecNotSupported,DirectPlayError&allowVideoStreamCopy=false&allowAudioStreamCopy=false

{"Protocol":"File","Id":"a170d91e2db7b3c5bd248a498acbc5d4","Path":"G:\Shared drives\Emby\Vacation Friends (2021) [1080p] [5.1] \Vacation.Friends.2021.1080p.x264.AAC5.1.mp4","Type":"Default","Container":"mp4","Size":0,"Name":"Vacation.Friends.2021.1080p.x264.AAC5.1","IsRemote":false,"SupportsTranscoding":true,"SupportsDirectStream":true,"SupportsDirectPlay":true,"IsInfiniteStream":false,"RequiresOpening":false,"RequiresClosing":false,"RequiresLooping":false,"SupportsProbing":false,"MediaStreams":[],"Formats":[],"RequiredHttpHeaders":{},"ReadAtNativeFramerate":false}

>>>>>>  User policy for Drew
        EnablePlaybackRemuxing: True
        EnableVideoPlaybackTranscoding: True
        EnableAudioPlaybackTranscoding: True

D:\Emby Server\system\ffmpeg.exe -loglevel +timing -y -print_graphs_file "D:\Emby Server\programdata\logs\ffmpeg-transcode-ab3734af-adf3-4d22-a66d-0ef7928c9040_1graph.txt" -copyts -start_at_zero -f mp4 -i "G:\Shared drives\Emby\Vacation Friends (2021) [1080p] [5.1] \Vacation.Friends.2021.1080p.x264.AAC5.1.mp4" -vn -an -sn -max_delay 5000000 -avoid_negative_ts disabled -f segment -map_metadata -1 -map_chapters -1 -segment_format mpegts -segment_list "G:\Shared drives\Emby\transcoding-temp\AF722A.m3u8" -segment_list_type m3u8 -segment_time 3 -segment_list_entry_prefix hls/AF722A/ -segment_start_number 0 -individual_header_trailer 0 -write_header_trailer 0 -segment_write_temp 1 "G:\Shared drives\Emby\transcoding-temp\AF722A_%d.ts"

18:34:55.241 ffmpeg version 4.3.0-emby_2021_02_27-g8f222573e9+634 Copyright (c) 2000-2021 the FFmpeg developers and softworkz for Emby LLC
18:34:55.241   built with gcc 9.2.0 (Rev2, Built by MSYS2 project)
18:34:55.241 Execution Date: 2021-10-28 18:34:55
18:34:55.259 [mov,mp4,m4a,3gp,3g2,mj2 @ 000002654253eb00] reached eof, corrupted CTTS atom
18:34:55.259 [mov,mp4,m4a,3gp,3g2,mj2 @ 000002654253eb00] error reading header
18:34:55.260 G:\Shared drives\Emby\Vacation Friends (2021) [1080p] [5.1] \Vacation.Friends.2021.1080p.x264.AAC5.1.mp4: End of file
18:34:55.260 

======= ExtraData
H4sIAAAAAAAACq1Wa2vbMBT9K8Ew2MB2HSfr61vWF6G0Hetroy7mJrp2tEmWkeQ0Wel/n+RHk9QJaWGBBFk65z5O7r3ys3MkOIeMOIfPzillGqVaWT48vrjOGRMjYFe5piIrj6vlHbACLebZuQSOzqEzd1yn3L3Wkmap2dGyQOfFfUXkZl/HqYR8ouKEMmwxjg+j6ISP5p1rlFOUUZRLYfCcgIYoYiJVUZQkPMfU0xIyNRYEPRj19np9SDwgSc/rkzD0YHeXeAEmewfh/vgg6Adxt3Tr65lejmgs8rlWWwNXGqSOQcd/UYoNaKvVMMsLXYlyjLyYoSz1RNCFxNoWF1OX532X98Htpbn5hi7/HRqrNe5mnltcY8B1Nmv/+NI4HWYEZ85hUD9+l0KLsWBt97Xsq75WOVs9vqMYkpZKJudKJLODwCv0UA0KLY7R/o9GqwSYQte5QELhnNrCdO4oQbElJLdCVYYt4siYG9eR3F6eX17dXzo1qDyy29mfTDxlZnuohpmpdwZjJK8hLPSsrNZCNdEM1TEmUDC9IKhTIZctDBi7gbQM0J6ezIyPDFh9bmRsZW/raDX5QUHo9uRL1LbkS9Ca5Nfn2Tj+D3ma3VtpHp0z09vXE5BIOkTSKaqq1aPoDsZgk+qcSooZUZ3PYRB2v3QeusF+kD92Hu5Pvv2gdvHV75rfXzfX/sXPxwXRr4m+5fkly684/izc7fuDwZFheg3Rr0rRyFro1369WN+tClOOmW51TAV/VyvUJuJESA56TV9gamJYnjY1gVHVhm9UsZmHBuZp5HkUDU73wnDg816xv8l8rG06rZA2MDTlbXBvo22zkPM4l5jQWYs2YWqnCnBnnYFq4mYFH5Uyr3KDZYbpFDqlpAAWTxBMI8VGCTPk2rSyIJepT5Jq/DCrCbFiW6k33gjvm5UcZjFBBu0L9GtQfpa9w1RQEmeYmsqfGvfty4tQBSNmOnSJ1R7HTWEvgTjkMUcN9rJt4b3uW+h

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Hi, if any are mkv, then mkvtoolnix is usually a good bet. I haven't used it in a long time so I'm not sure if it accepts MP4 input.

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  • 2 weeks later...
atlemacks
On 10/28/2021 at 9:32 PM, Luke said:

Hi, if any are mkv, then mkvtoolnix is usually a good bet. I haven't used it in a long time so I'm not sure if it accepts MP4 input.

I will check it out, I started re-ripping my library as I couldn't find anything that worked. Thanks!

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rbjtech

The issue with 'corrupt' files, especially large media files, is trust that they are 100% ok - you don't want to find that it errors @ 95% when you are 2 hrs into the film !

The best course of action if you do suspect them of being corrupt is to re-rip them, but if that is not possible, then a demux and remux to a new MKV will advise you of any errors. 

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atlemacks
On 11/15/2021 at 11:31 AM, rbjtech said:

The issue with 'corrupt' files, especially large media files, is trust that they are 100% ok - you don't want to find that it errors @ 95% when you are 2 hrs into the film !

The best course of action if you do suspect them of being corrupt is to re-rip them, but if that is not possible, then a demux and remux to a new MKV will advise you of any errors. 

I ended up starting the process of re-ripping them all. Rather than scrubbing thru every single movie, or wasting the time trying to fix them. It sucks since it's time consuming, but at least I can do other things or walk away while it's in the background.

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Spaceboy

I've been using tdarr to remove all non english subs and audio from my media. one of the things it does is a health check on every file before it processes it. if it fails the health check then i know the file is corrupt and i replace it. it has nice logging and display of all statuses.

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