kdenlive-19.12.0 and 19.12.1 too slow to be usable

[Simon Gerraty]

On Sat, 25 Jan 2020 09:03:28 +0100, "Tobias C. Berner" writes:
>Moin moin
>
>Could you open an upstream bug-report at  https://bugs.kde.org/

Sorry, their new account creation system appears to be broken.

--sjg

>
>mfg Tobias
>
>On Thu, 23 Jan 2020 at 21:41, Simon Gerraty <sjg at crufty.net> wrote:
>>
>> FYI, I fecthed and installed:
>>
>> https://pkg.freebsd.org/FreeBSD:11:amd64/release_3/All/kdenlive-18.12.3.txz
>>
>> which works much better.  I still get noise on tty - presumably from
>> some of the libraries that kdenlive uses (there are all still from
>> quarterly collection), but kdenlive works better, playhead tracks video
>> ok and audio plays in sync.
>>
>> --sjg
>>
>> On Wed, 22 Jan 2020 10:19:30 -0800, Simon Gerraty writes:
>> >Hi all.
>> >
>> >I cc'd ports, since kdenlive depends on lots of other packages.
>> >
>> >kdenlive-18.x was working fine on my
>> >i9-7900X CPU @ 3.30GHz (10 core), with
>> >NVIDIA GPU GeForce GTX 1050 Ti
>> >
>> >I recently ran pkg upgrade -f, and now with kdenlive-19.12.0
>> >is it completely unusable.
>> >
>> >The display is sluggish (to put it kindly); the play head moves in big
>> >jumps (stalls for several seconds at times), the video does not display
>> >even close to smoothly, and the audio is out of sync.
>> >
>> >There is also a huge volume of debug info being spewed to tty, with what
>> >looks like lots of errors.  Which I did not see with 18.x
>> >
>> >Since the release notes for kdenlive 19.12.1 mentioned disabling debug,
>> >I tried downloading the kdenlive-19.12.1 from the latest pkg build, and
>> >that installs and runs, but I still see lots of debug noise on tty
>> >and the performance is still too bad to allow editing of anything.
>> >
>> >Just to confuse things further, a machine at work, which run pkg
>> >upgrade -f at about the same time, kdenlive-19.12.0 works tollerably
>> >despite the endless stream of debug output.
>> >
>> >That box has Xeon(R) CPU E5-2637 v3 @ 3.50GHz (8 core) with
>> >NVIDIA GPU Quadro K4200 (GK104GL)
>> >
>> >Thoughts?
>> >--sjg