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by always_good 2984 days ago
Has anyone ever written an ffmpeg script that could break a video apart into interesting cuts?

Someone posted a brilliant script in one of these ffmpeg posts but I can't find it for the life of me. I used it to create "trailers" of my media collection.
1 comments
peterburkimsher 2984 days ago
Do you have subtitles for those videos?

I wrote a script that cuts out clips of every sentence spoken, and builds them into example sentences to learn Chinese.

https://www.youtube.com/playlist?list=PLhIooD7mFhphhT5nDdhK0...

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always_good 2984 days ago
Brilliant. Would you mind sharing it?
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peterburkimsher 2984 days ago
There's actually several scripts: burn the subtitles into the movie as hard-subs, extend the subtitles by 1 second, make clips of each subtitle, make headings, and combine the clips with the headings.

These are my rough notes I made at the time (you could skip the Pingtype steps if you're not trying to make bilingual language learning material).

https://github.com/pingtype/pingtype.github.io/blob/master/d...

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danneu 2984 days ago
Wow, that's great.

Here's my attempt at building something for language learning since my listening skills trail so far behind my reading skills: https://www.danneu.com/slow-spanish/

It parses this painstakingly created file: https://github.com/danneu/slow-spanish/blob/a455da3a230632c2...

Unfortunately it's really hard to generate the source material (timestamping a transcript).

So my idea was to upload some slow-speaking audio to Youtube and let it autogen its .srt subtitle files. The subtitles don't come out perfectly, but it's the timestamp data I'm after since the goal is a UI that makes it easy to replay and scrub around spoken audio.

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peterburkimsher 2984 days ago
Using YouTube to generate the timestamps is a really good idea!

I'm manually recording timestamps while I read/listen to the Bible, verse by verse. Every time I click pause in Pingtype's Media Viewer, it logs the time. It's painstaking, but I'm trying to study each verse while I read anyway, so it's good to let me pause regularly.

There's a lot of LRC data for songs that are used in KTV/Karaoke. You just need to find a good data source for Spanish. In my opinion, listening to music and singing along in church helped my Chinese much more than textbooks. I still lack confidence speaking, but my listening improved a lot when my regular playlist became majority-Chinese (I listen to iTunes all day).

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