ffsubsync - automatically syncing subtitles

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SerjTank

39 posts

Geek

#296043 17-May-2022 00:40

As I understand it, this is a pretty nifty tool which can automatically synchronize subtitles and audio for a video source where it's out of sync. I have a few of these such files (mostly Korean subtitles - for study) and would really like to give this a try.

The only thing is, it seems to be written in Python and doesn't have a GUI. I don't have enough skills to get it to work on my own. Is there someone who could give me a few pointers on how to get started with this?

Thanks,

-t

SumnerBoy

2074 posts

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#2914839 17-May-2022 09:17

You might want to check out https://fileflows.com/. It has been written by a Kiwi fella, who used to be (maybe still is) on GZ... @reven.

Not sure if it does exactly what you need, but it is pretty powerful and I am sure if you asked nicely it could possibly be added.

reven

3743 posts

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#2914883 17-May-2022 10:58

yeah im still around :)

Had a look at that tool, its doing some tricky voodoo. so not something FileFlows can do currently. It could automatically run an external command against the file and do this. but you would have to know the parameters for the ffsubsync app in the first place.

SerjTank

39 posts

Geek

#2915168 17-May-2022 15:35

Thanks for your suggestion. It's not quite what I'm after in this particular case but definitely something I'm going to look at more in the future. Looks like a pretty nifty toy.

@reven if you're interested in adding this functionality please let me know. I have a few files that can be used as test cases and I'd be willing to help develop this functionality in anyway which I can.

reven

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#2915178 17-May-2022 15:49

SerjTank:

@reven if you're interested in adding this functionality please let me know. I have a few files that can be used as test cases and I'd be willing to help develop this functionality in anyway which I can.

not at the moment, roadmap is already full for now, and this seems like such a specific edge case. and trying to reinvent what this util is doing is a lot of work. the way to work with this would be to just call the external app from a flow. or a specific node that would call this app for you. but not to reimplement all that logic.

SerjTank

39 posts

Geek

#2915239 17-May-2022 17:03

Alright thanks for your help anyhow.

Would it be easy enough to try this on my own? I have some basic ability to stumble my way through things. My thoughts are as follows:

1) download source files

2) setup Python environment(?). I've done this before with mixed results.

3) run downloaded program and try to get it to work using my video/subtitle files that are out of sync.

Of course, there are other programs out there e.g subtitleedit

and they're very handy but compared to an automated process (which is what I understand ffsubsync to be) there would be next to no comparison.

reven

3743 posts

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#2915251 17-May-2022 18:09

Heres a basic exported flow that would run ffsubsync. You would need to tweak it and it assumes the srt is the same dir as the video file with a srt extension.

Just save this as a json file and import it as a flow

{

"Enabled": true,

"Description": "A blank file template with a single \u0022Input File\u0022 input node.",

"Type": 0,

"Template": "File",

"Parts": [

{

"Uid": "1058ab2d-3225-4910-8ff1-b81991b14cd3",

"Name": "Input File",

"FlowElementUid": "FileFlows.BasicNodes.File.InputFile",

"xPos": 210,

"yPos": 60,

"Icon": "far fa-file",

"Label": null,

"Inputs": 0,

"Outputs": 1,

"OutputConnections": [

{

"Input": 1,

"Output": 1,

"InputNode": "7ba29ada-dab3-43b5-b9b4-5af3cb5a7684"

}

"Type": 0,

"Model": null

{

"Uid": "7ba29ada-dab3-43b5-b9b4-5af3cb5a7684",

"Name": "run ffsybsync",

"FlowElementUid": "FileFlows.BasicNodes.Functions.Function",

"xPos": 210,

"yPos": 260,

"Icon": "fas fa-code",

"Label": "Function",

"Inputs": 1,

"Outputs": 1,

"OutputConnections": null,

"Type": 3,

"Model": {

"Outputs": 1,

"Code": "let python = \u0027/path/to/python\u0027;\nlet ffsubsync = \u0027/path/to/ffsubsync\u0027;\n\nlet videoFile = Variables.file.FullName;\nlet srtFile = videoFile.substring(0, videoFile.lastIndexOf(\u0027.\u0027) \u002B 1) \u002B \u0027srt\u0027;\nlet newSrtFile = videoFile.substring(0, videoFile.lastIndexOf(\u0027.\u0027) \u002B 1) \u002B \u0027new.srt\u0027;\n\nlet process = Flow.Execute({\n\tcommand: python,\n\tworkingDirectory: ffsubsync,\n\targumentList: [\n\t\t\u0027ffsubsync\u0027,\n\t\tvideoFile,\n\t\t\u0027-i\u0027,\n\t\tsrtFile,\n\t\t\u0027-o\u0027,\n\t\tnewSrtFile\n\t]\n});\n\nif(process.standardOutput)\n\tLogger.ILog(\u0027Standard output: \u0027 \u002B process.standardOutput);\nif(process.starndardError)\n\tLogger.ILog(\u0027Standard error: \u0027 \u002B process.starndardError);\n\nif(process.exitCode !== 0){\n\tLogger.ELog(\u0027Failed processing output: \u0027 \u002B process.exitCode);\n\treturn -1;\n}\n\n// worked, now you have the new srt in the newSrtFile parameter. \n\nreturn 1;"

}

"Uid": "5ae4d04a-9b62-4941-bb59-2c0c048e7948",

"Name": "ffsubsync",

"DateCreated": "2022-05-17T18:07:19.6343743+12:00",

"DateModified": "2022-05-17T18:07:19.6343743+12:00"

}