QP txt file?

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DelBoy83
Posts: 74
Joined: Wed Oct 04, 2023 2:04 am

QP txt file?

Post by DelBoy83 »

Every demux i create has a QP txt file, can someone tell me what the QP txt file is for as I've noticed it but dont know why its created?
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Rocky
Posts: 3868
Joined: Fri Sep 06, 2019 12:57 pm

QP txt file?

Post by Rocky »

It's typically used to force an encoder to assign I frames at specific points, typically scene or chapter starts. For example, see --qpfile here:

https://x265.readthedocs.io/en/master/cli.html

Also, see here:

viewtopic.php?f=8&t=1090
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DelBoy83
Posts: 74
Joined: Wed Oct 04, 2023 2:04 am

QP txt file?

Post by DelBoy83 »

OK thanks for clearing that up for me. Its basically if I want to encode using the exact i-frames for chapters.
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Rocky
Posts: 3868
Joined: Fri Sep 06, 2019 12:57 pm

QP txt file?

Post by Rocky »

Yes, it's just a chapters file in another form.
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