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From: Paul <nospam@needed.invalid>
Newsgroups: alt.comp.os.windows-10,rec.photo.digital
Subject: Re: Burn caption into video
Date: Tue, 15 Oct 2024 13:24:16 -0400
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On Tue, 10/15/2024 10:18 AM, Alan Browne wrote:
> On 2024-10-15 10:14, Big Al wrote:
>> On 10/15/24 09:56 AM, Alan Browne wrote:
> 
>>> Da Vinci Resolve will do this, but it's a steep learning curve - though there is probably a YouTube out there for it.
>>>
>>> Da Vinci Resolve is free for non-commercial output.
>>>
>> Why not just use some video editor and overlay the text?  Then save the video and upload.
> 
> Da Vinci Resolve mean anything to you?
> 

These people have horrible presentation for web pages,
but it is what it is.

https://www.baeldung.com/linux/subtitles-ffmpeg

sample_video_subtitle_ffmpeg.srt subtitle file

1
00:00:04,700 --> 00:00:05,090
You know what

2
00:00:05,100 --> 00:00:05,990
we should all do.

3
00:00:07,200 --> 00:00:08,690
Go see a musical.

4
00:00:11,900 --> 00:00:12,490
sure,

5
00:00:14,770 --> 00:00:16,530
and you know which one we should see

6
00:00:17,580 --> 00:00:19,880
The 1996, Tony Award winner.

ffmpeg -i sample_video_ffmpeg.mp4 -vf subtitles=sample_video_subtitle_ffmpeg.srt output_srt.mp4

That seems to be missing a -c copy, but maybe all the tracks will be there.

Using something like ffprobe.exe afterwards on output_srt.mp4 , should
indicate whether an additional new track is present.

You don't absolutely need an editor for this. I like FFMPEG
because it's the Swiss Army Knife. It has enough constructs
inside to make a full-blown editor and be the engine for it.
It's that good. You can do fade-in and fade-out for example,
from the command line, splice bits of tracks together, and so on.

Of course GUI people don't like that, but you don't get to see
just how good it is, until you find a posting from someone who
edits videos all day long for Internet use. And they'll show
you some amazing multi-line commands.

   Paul