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Old 15th October 2018, 19:32   #3  |  Link
wonkey_monkey
Formerly davidh*****
 
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Join Date: Jan 2004
Posts: 2,493
It's video is H.264/AVC. My USB stick just puts .mpg on whatever it records. I'd previously tried Windows Media Center or whatever it's called but it uses it's own weird format which I couldn't find anything to read. My previous use of these files was to reencode them via DGIndexNV which always worked fine, but trying to remux without reencoding is proving to be problematic.

I think it may just be an FFMPEG issue. There's something about the BBC's video streams it just doesn't like - illegal picture references, problems with timestamps, and so on. The source files all play fine, though.

I've now used DGIndexNV to trim and demux, ffmpeg to reencode AAC to AC3, manual cutting of the AC3 to sync, and MKVToolNix to mux. It seems to work, except that ffmpeg complained about some errors in the AAC stream and the audio drifts out of sync, so it probably just dropped the bad parts.
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