H266 codec

Discussion about this major DATV Project. See https://wiki.batc.org.uk/The_Portsdown_Transmitter
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g3yjr
Posts: 82
Joined: Sat May 23, 2020 1:37 pm

H266 codec

Post by g3yjr » Mon Apr 17, 2023 4:24 pm

Is it easy to add a codec to PD4 for H266, maybe for Rx?

I see people are experimenting with this.

73 Graham

g8lce
Posts: 352
Joined: Sun Dec 06, 2015 10:26 am

Re: H266 codec

Post by g8lce » Tue Apr 18, 2023 8:18 am

We are all waiting to transmit DATV with halve the data ( or go to 4K! )

Martin G8LCE

g3yjr
Posts: 82
Joined: Sat May 23, 2020 1:37 pm

Re: H266 codec

Post by g3yjr » Tue Apr 18, 2023 9:58 am

I'm guessing it is a lot of work for a RasPi Martin?

Graham

Basil
Posts: 299
Joined: Tue Sep 10, 2013 7:28 pm

Re: H266 codec

Post by Basil » Tue Apr 18, 2023 10:01 am

It's a lot of work for an Intel i9, let alone a Pi :) Although decoding seems pretty unintensive, CPU wise

G8GKQ
Site Admin
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Re: H266 codec

Post by G8GKQ » Tue Apr 18, 2023 4:08 pm

The Portsdown will never be capable of video encoding for H266 (although it would transmit a TS from a PC doing the encoding).

As for receive, it would need the Raspberry Pi version of VLC to support H266 decoding. If someone could look at whether that is happening, then I could look at upgrading the version of VLC used in the Portsdown receiver (and possibly the Ryde).

Dave, G8GKQ

Basil
Posts: 299
Joined: Tue Sep 10, 2013 7:28 pm

Re: H266 codec

Post by Basil » Tue Apr 18, 2023 4:17 pm

Is there even a main PC version of VLC that does native H266 decoding? I was under the imppression all current versions needed an add on of some sort, that in itself needed compiling. I would be very pleased to be told I am wromg though.

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