Extract CC from MKV !!HELP!!

General Discussions Plex Features
1

I thought I saw a post where someone alluded to taking a 1.7.x MKV and extracting Closed Captions from it.

Can someone post what they did?

2

here’s the thread:
forums.plex.tv/discussion/275781/new-update-screws-subtitle-post-processing

@sudheeshb said:
I fully agree with OP. This is one of the key feature which many of us uses. You may the try the following work around ( not a good one ).

Extract the TS from the MKV. You can use ffmpeg for this.

  1. ffmpeg -i input.mkv -vcodec copy output.ts

  2. Now you can extract closed caption from the TS file. You may use ffmpeg or ccextractor for this.

3

testing.
seems to work so far.
will let you know
thanks

4

What is the command to extract the closed caption with ffmpeg?

5

Answered in your other thread, but for those that end up here is what I found on stackoverflow:
ffmpeg -f lavfi -i “movie=test.ts[out0+subcc]” -map s output.srt

6

Thanks.
Will test soon

7

Thank you. Is there a batch command to copy a whole directory of mkv to ts?

8

OK
I tried the above and am getting about a million of these:

Error while decoding stream #0:1: Invalid data found when processing input
[ac3 @ 0000000002634220] exponent 25 is out-of-range
[ac3 @ 0000000002634220] error decoding the audio block
[ac3 @ 0000000002634220] frame sync error

9

the TS file resulting, wont process under ccextractor