GIP Package Build Cessation for EOL Distribution Releases Xenial, Bionic, Stretch and Buster

2024-03-05 Thread Mark Grant



This concerns only those running on any of Xenial, Bionic, Stretch or 
Buster and consuming Debian packages hosted in repositories at LaunchPad 
or openSUSE Build Services (OBS).


As per Debian releases [1]:-
Stretch has been EOL since July 2022
Buster goes EOL June 2024

As per Ubuntu releases [2]:-
Xenial has been EOL since April 2021
Bionic has been EOL since June 2023

It is my intention to discontinue building packages for these 
distribution releases at the end of 2024. I do not intend to remove the 
repositories so extant packages will continue to be available but never 
updated. (Meaning that apt will continue to work). Having said that, the 
build farms themselves, LaunchPad and OBS, _may_ institute policies at 
some time to delete obsolete EOL repositories, so this cannot be guaranteed.


Further to this I shall also institute my usual policy regarding EOL 
releases and I shall cease building GIP packages immediately upon a 
distribution release going EOL.


Regards,
Mark

[1] 
[2] 


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Fifty frames per second with half of them redundant.

2024-03-05 Thread Ralph Corderoy
Hi,

I'm used to an hour of iPlayer video needing about 1 GiB.  In the past,
this doubled for a while because the frame rate doubled from 25 to 50
per second.  But stepping through the frames, say with mpv(1)'s ‘.’,
showed the first frame of a pair will be a scene update and the second
is a very minor adjustment of the pixels.  So the camera shot might move
in frames 1, 3, 5, ... and nothing much happen in frames 2, 4, 6...
A waste for the BBC and me.  Then downloads went back to the normal
1 GiB/hour.

Recently, like the last few weeks, it's doubled again with the same
cause.  Take PID m001x0zq.  ffprobe(1) shows

Stream #0:0(und): Video:
h264 (High) (avc1 / 0x31637661),
yuv420p(tv, bt709),
1280x720 [SAR 1:1 DAR 16:9],
5058 kb/s,
50 fps,
50 tbr,
90k tbn,
100 tbc (default)

Stream #0:1(eng): Audio:
aac (LC) (mp4a / 0x6134706D),
48000 Hz,
stereo,
fltp,
128 kb/s (default)

Stream #0:2: Video:
mjpeg,
yuvj420p(pc, bt470bg/unknown/unknown),
192x108 [SAR 72:72 DAR 16:9],
90k tbr,
90k tbn,
90k tbc

Does anyone have insights as to why this happens and what causes the BBC
to return to normal?

Is there anything I can do to force a sane 25 fps without dropping
quality?

-- 
Cheers, Ralph.

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