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DVB subtitles from TNT (France) #47
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Originally created by @cfsmp3 on GitHub (Apr 8, 2015).
I have tried to extract dvb subtitles in text or picture format of of a
dvb-t record from TNT in France without any success.
Are there any limitation in dvb subtitles support with current version of
cc extractor ?
Here is the extract of the record I tried to
http://dl.free.fr/gn7ofWDq0
[Carlos' note: Uploaded to /Franck/m6record.ts in developer's repository]
Vlc can display the subtitles without any problem
I tried buy a build version of 0.76 of ccextractor
It look like there is a problem in pts parsing as min and max pts are indentical
Here is the result:
Opening file: /home/franck/sub/videos/m6record.ts
File seems to be a transport stream, enabling TS mode
Analyzing data in general mode
Number of NAL_type_7: 0
Number of VCL_HRD: 0
Number of NAL HRD: 0
Number of jump-in-frames: 0
Number of num_unexpected_sei_length: 0
Total frames time: 00:00:00:000 (0 frames at 29.97fps)
Min PTS: 13:33:58:190
Max PTS: 13:33:58:190
Length: 00:00:00:000
@okisseloff commented on GitHub (Apr 16, 2015):
There were "empty" PES packets (00 00 01 BE 00 01 FF) in the dvb-subtitle stream. Since minimum size for video PES is 9 bytes, but we were parsing non video PES, parsing had to be terminated. I tested fix using couple TS and PS files and everything worked fine, so it seems fix https://github.com/CCExtractor/ccextractor/pull/154 doesn't affect other stream and file types.