Re: [Cin] megapile 12 (freebsd, ffmpeg 5, dynamic build, opencv trim)

2022-05-10 Thread Phyllis Smith via Cin
Checked into GIT, LV2 building changes + 4 additional to Calf LV2 plugins
that I discovered while testing.  They did not cause CinGG to crash EXCEPT
when using the Calf LV2 plugins with an AppImage.When using from a
self-build, they did not show up in Audio Effects  but reported the error
message on the terminal window of "unsupported lv2 plugin, missing audio
input or output".



0052-Defend-against-missed-lv2-headers.patch
0054-Dynamic-termux-with-ogg.patch
0062-dynamic-lv2.patch
0063-termyx_dyn.sh-update.patch
+ lv2_blacklist.txt has additionally removed Calf plugins of Fluidsynth,
Monosynth, Organ, and Wavetable

This took me awhile to check the above and test so I hope it is correct.
Working on a Status text file of the other megapile patches.
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[Cin] mpeg5!

2022-05-10 Thread Andrew Randrianasulu via Cin
Or it really named so!

https://github.com/mpeg5

Seems to be Samsung open-source project... (attempt at making alternative
to vp9 / av1)

includes  fork of ffmpeg with wrappers around two libs..

new patchwork series aiming at ffmpeg mainline

https://patchwork.ffmpeg.org/project/ffmpeg/list/?series=6454

doom9 discussion

https://forum.doom9.org/showthread.php?t=176055

oh, something to read..

PS: interesting for me reading on how this Dolby digital sound worked on
real film
https://everydaything.substack.com/p/35mm-cinema-film-and-digital-audio?s=r
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Re: [Cin] ac4 and ffmpeg

2022-05-10 Thread Andrew Randrianasulu via Cin
https://hydrogenaud.io/index.php?topic=122053.0

about E-AC3 but company's motives remained mostly same in last 25 years..

it seems Dolby wanted per-decoder license/fee, and got it... with literal
100s of millions of devices.. yeah, guess they can eat something not so
cheap.


not sure if any of this 3d audio will take off in near future, but at least
hearing some broadcast from 202x might be important.. for historical
reasons.

On Tuesday, May 10, 2022, Andrew Randrianasulu 
wrote:

> Probably not very relevant right now but apparently Dolby pushed their new
> ac4 codec as part of new digital TV standart..
>
> so.. it might be encountered in new broadcasts.
>
> ffmpeg decoder was already written, but not in any release or even main
> tree
>
> see
>
> https://trac.ffmpeg.org/ticket/8349
>
> and last comment pointing at recent-ish rebase
>
> https://github.com/makrsmark/FFmpeg/commits/ac4
>
> if I understand correctly only mpeg transport stream currently supported
> as container, and not, say, mp4.
>
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[Cin] ac4 and ffmpeg

2022-05-10 Thread Andrew Randrianasulu via Cin
Probably not very relevant right now but apparently Dolby pushed their new
ac4 codec as part of new digital TV standart..

so.. it might be encountered in new broadcasts.

ffmpeg decoder was already written, but not in any release or even main tree

see

https://trac.ffmpeg.org/ticket/8349

and last comment pointing at recent-ish rebase

https://github.com/makrsmark/FFmpeg/commits/ac4

if I understand correctly only mpeg transport stream currently supported as
container, and not, say, mp4.
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