[RESOLVED] 7 extra frames on 1 source

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MeteorRain
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Re: 7 extra frames on 1 source

Post by MeteorRain » Tue Feb 04, 2020 12:22 pm

Random access to 23 and move forward to 24 I'm seeing the end of the program.

Random access to 24 and I'm seeing the next program.

(I recall there's a tool that can play avs forward and backward and check seeking accuracy but I don't remember where it is.)

Using VirtualDub2 64-bit, AviSynth+, DG 2053SS203.

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Rocky
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Re: 7 extra frames on 1 source

Post by Rocky » Tue Feb 04, 2020 12:42 pm

OK, I see it now. Investigating...

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Rocky
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Re: 7 extra frames on 1 source

Post by Rocky » Wed Feb 05, 2020 6:09 pm

Hmm, it's those pesky negative POCs again. I have a fix working locally but have to do a lot of functional and regression testing.

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MeteorRain
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Re: 7 extra frames on 1 source

Post by MeteorRain » Thu Feb 06, 2020 12:45 am

Any reason keeping them as-is? Like, what if we just shift it to above zero? Just my 0.02 guess though.

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Rocky
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Re: 7 extra frames on 1 source

Post by Rocky » Thu Feb 06, 2020 3:44 pm

It's not the negativity; it's the fact that the leading RADLs are B frames, and leading B frame code hasn't been implemented for HEVC hithertoo. This is actually the first HEVC stream seen here that has leading B frames. I knew the day must come, so now it's time to take care of business.

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MeteorRain
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Re: 7 extra frames on 1 source

Post by MeteorRain » Thu Feb 06, 2020 5:19 pm

I see.

Well, this is the part I don't understand well. They used to be very conservative on broadcasting (Hint: mpeg2 interlaced 1440x1080 SAR 2ch aac) but all in a sudden they are going to the moon (hevc 10bit 4k / 8k with open-gop rasl+radl and 22.2 channel latm aac audio). :scratch:

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Rocky
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Re: 7 extra frames on 1 source

Post by Rocky » Thu Feb 06, 2020 9:37 pm

22 channel? That's insane.

BTW, just to help with your already excellent English, we say "all of a sudden".

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Boris
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Re: 7 extra frames on 1 source

Post by Boris » Thu Feb 06, 2020 9:38 pm

We say, she say, speak for yourself. Who is broadcaster? We can blow up studio. Animals will not be harmed.

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Sherman
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Re: 7 extra frames on 1 source

Post by Sherman » Thu Feb 06, 2020 10:02 pm

I'm so confused. Help me.

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MeteorRain
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Re: 7 extra frames on 1 source

Post by MeteorRain » Fri Feb 07, 2020 6:11 pm

:scratch: Thanks for the correction.

By the way, they used 22.2 channels so it's 24 in total :scratch: I don't even think there's any OSS decoder yet.

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