Ubuntu Multimedia :: Kdenlive Being Jumpy And Slow
Aug 23, 2010
I have a query about Kdenlive, when putting avi. Files with audio files like wma. It chugs hard and doesn't play out a smooth rendition of the two. I only went to Ubuntu because I thought windows movie maker was a joke in regards to its freezes. I have tryed a few other video editing apps but as far as I can see Kdenlive has all the basics I need except the smooth file use. I suppose would be: does my 2gb RAM and 64 AMD 4000+ fit a video editing standard? What is the best video editing software out there on ubuntu?
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Mar 3, 2010
I've got a Linksys WMP54G Pci card of some kind that's being reported as a Ralink rt2500 pci, but it is very slow (50k/s cap) and has jumpy signal strength (goes between 70% and 10% every second or so, while the router is in the same room). It is just this pc, as I'm using my laptop fine right now with no such condition. I am running basically a fresh version of Slackware 12.2, so it's kernel version 2.6.27.7. I have used this with Slackware 13 and there was absolutely no issue, so I think it may be a wrong or outdated driver, but building kernel modules and updating whatever module it should be is not something that I'm very good at.
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Mar 30, 2010
Running Slow and Pegging Processor When Using Mozilla and Kdenlive
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Oct 20, 2010
After upgrading to 10.10, I have been having all sorts of audio problems, mostly with sound skipping like a record. It happens with sounds both streamed from the internet and from my own system. It also seems to affect flash videos, but that might just be the video moving to sync with the sound? The weirdest thing is that if I move the mouse (either the laptop trackpad or the external mouse), it stops doing it, but as soon as I stop moving the mouse, it skips again.
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May 26, 2011
I like to watch TV shows online. 75% of the shows I watch are on the big sites like Hulu or CBS. But a lot of the shows I catch (normally older shows I never watched during first-run) are hosted with Megevideo or Loombo (moreso Loombo). 10.10 had no issues with playback quality. But since the upgrade to 11.04, online playback from loombo or megevideo like sites are very poor quality, jumpy and stutter. Video from the big sites are ok. I also noticed that playback in Firefox is not watchable on these sites but if I use Google Chrome it's watchable but still bad. I downloaded Flash from Adobe and installed, and so far I know I have all the plugins I need.
Here's what I have running:
Ubuntu 11.04 32bit.
Firefox 4.0.1 (Canonical).
Google Chrome 10.0.648.151.
Flash Plugin (according to about: plugin in Firefox) Shockwave Flash 10.3 r181.
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May 14, 2010
I have added a couple of clips (1080p50 XVid) to a project, and each of them play fine in the Clip Monitor. I want to add these clips to the timeline and add the Dissolve transition between them.
I have achieved the above and when I click on the Play button on the Project Monitor, I can see the project playing including the transition. All fine so far.
After this first play of my new project, I have tried to move the playback position bar and once I do so, the project monitor goes black. From this point on, I cannot see my project playing whether I start playback from the beginning or from an arbitrary mid-point. I may see a flicker of an image, and the transition effect may appear but that is it until I quit Kdenlive and start again.
I'm stumped as to what could cause this. I did wonder if it was because I was using onboard graphics, but I have upgraded that element of the computer today with no change in the result.
Computer specifications are as follows:
* Ubuntu 10.04LTS Lucid Lynx
* Intel E3200 Dual Core Celeron 2.4GHz
* 1GB DDR2 800MHz RAM
* MSI NVidia 8400GS 512MB Graphics Card
I know the machine doesn't have the highest specification in the world, and perhaps more RAM is needed for this job. I don't believe this to be the causing factor in this problem though considering playback is initially achieved.
Following a search of the internet, I've attempted two possible ways of resolving this: disabling Compiz, starting Kdenlive from the terminal using 'env XLIB_SKIP_ARGB_VISUALS=1 kdenlive' and running the Config Wizard. Neither has given the resolution.
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Nov 28, 2010
I'm on kubuntu 10.10 and kdenlive 0.7.8 and since the upgrade to 10.10 Kdenlive crashes whenever I import a clip with a segfault.
Here's the dump from console:
File given: true
Color mode changed to 0
File given: true
QWidget::insertAction: Attempt to insert null action
QWidget::insertAction: Attempt to insert null action
Bus:pen: Can not get ibus-daemon's address.
IBusInputContext::createInputContext: no connection to ibus-daemon
[dv @ 0x3219fa0]Estimating duration from bitrate, this may be inaccurate
[dv @ 0x31564d0]Estimating duration from bitrate, this may be inaccurate
[dv @ 0x3204600]Estimating duration from bitrate, this may be inaccurate
[dv @ 0x3219fa0]Estimating duration from bitrate, this may be inaccurate
[dv @ 0x31564d0]Estimating duration from bitrate, this may be inaccurate
[dv @ 0x3204600]Estimating duration from bitrate, this may be inaccurate
Diverting av_*_packet function calls to libavcodec. Recompile to improve performance
Last message repeated 1 times
swScaler: pal8 is not supported as output pixel format
KCrash: Application 'kdenlive' crashing...
KCrash: Attempting to start /usr/lib/kde4/libexec/drkonqi from kdeinit
sock_file=/home/jason/.kde/socket-denpc/kdeinit4__0
QSocketNotifier: Invalid socket 11 and type 'Read', disabling...
[1]+ Stopped kdenlive
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Feb 24, 2011
i did installed kdenlive 0.7.8 works FINE beautifull but list of effects are low..opensuse installed:kdenlive 0.7.8kdenlive-lang 0.7.8but my other pc installed kubuntu and install kdenlive 0.7.8 work FINE same beautifull but list of effects are many...maybe opensuse is missing package "kdenlive-data" because kubuntu there is package kdenlive-data and there isnot from opensuse...why?kdenlive-data is a extra data for effects exports video, ect ect..
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Jun 30, 2011
My Camcorder produces 1080i 50fps. Via handbreak I converted the clips to 1080p 25 fps. (de-interlace) using h264 codec.
These converted clips work very well with Kdenlive. All effects are working and the render results(mp4 max bitrate) are equal to the original.
Openshot is less sophisticated and in my opinion less intuitive.
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Apr 20, 2010
I have reinstalled karmic 64 bit and am having major problems with kdenlive crashing,again(main reason for my reinstall).It crashes upon openning and I need it,yesterday. it also says This crash information is not useful p, li { white-space: pre-wrap; } Application:Kdenlive (kdenlive), signal: Segmentation fault I've removed it and reinstalled several times same goes for recordmydesktop too!
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Aug 12, 2010
I have followed a few guides on using video overlays to obtain a watermark. i am suppose to use the Bluescreen video effect along with the composite transition in kdenlive.
I run the following versions of software:
lucid lynx 10.04
FFMPEG compiled from svn
x264 compiled from git
Kdenlive 7.7.1
Kino 1.3.4
melt 0.5.6 from a PPA
Medibuntu repos
My video I want the watermark over is a kino captured file which is dv avi type 2 (open dml).I have done Bluescreen video effect along with the composite transition but the video clip which the video watermark plays on top of ends up getting darker. for the bluescreen color i have chosen red which is the closest red i could pick next to the spinning logo. the lighting changes on it and gives it an undesirable effect as far as how dark it it. i tried other colors but then the logo either disappears or the spinning logos black video background covers up my video. the reason for my "video" watermark is because it is a spinning logo (not a picture) which can be obtained in .mp4 format here:[url]
My goal is to put that on top of some xbox 360 modern warfare 2 gameplay. i haven't uploaded an example of how dark it makes the footage look yet but it does.
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Aug 23, 2010
Another hair-pulling WTF moment... All I wanted to do is add a title to the start of a screencast, nice words overlaying the screen vid. In kdenlive:
1. Project menu > Add title clip
2. Format text etc.
3. Set the title clip's background opacity to 0 = (should be?) fully transparent.
4. Put the clip on the timeline, on a higher track than the screen vid.
5. kdenlive obliterates the screen and displays the text with a black background.
There has got to be an easy way to do this. kdenlive.org documentation seems outdated (their screenshots look different from the version I got from synaptic). Do I really have to make the title in GIMP like some webpages say? I can do it, but that's idiotic. kden should be able to do it.
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May 16, 2010
I just wanted to install Kdenlive and I added the requested repositories. The one called "packman" included unsigned files that were labelled "untrusted" by the installer. Is it still safe to install it? What's your opinion?
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Feb 27, 2010
I've been trying to get kdenlive to work properly the last couple of days. But I'm missing some codecs. Some Ubuntu users said that installing the ubuntu-restricted-extras did the trick for them.
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Dec 25, 2010
Does anyone else get this when they start up the Software Manager?VLC works fine but I would like to resolve this issue. I haven't wanted to fix it until last night when I started to install kdenlive.
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Sep 20, 2010
I'm currently on vacation, and noted that the kdenlive version on my laptop (running 64-bit openSUSE-11.3 with KDE-4.4.4) will crash when loading a kdenlive file that has an audio track previously saved.
ie one can no longer reload a project, after saving it, if one has an audio track in the project.
I note my desktop (just before I went on vacation) did not have this behaviour. Has anyone else encountered this?
When I get back from vacation, I'll compare the packages between the two (ie between laptop and desktop). I note these packages on my laptop, which may or may not be relevant.
Code:
kde4-kdenlive-0.7.7.1-1.pm.2.1.x86_64
libmlt++3-0.5.6-1.pm.1.16.x86_64
python-mlt-0.5.6-1.pm.1.16.x86_64
libmlt2-0.5.6-1.pm.1.16.x86_64
mlt-0.5.6-1.pm.1.16.x86_64
sox-14.3.1-1.11.x86_64
ladspa-1.13-3.8.x86_64
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Jun 18, 2011
I have a Dell latitude D400 , with ubuntu 11.04 on it. Running quite nice. I have a jvc gr20 mini dv camcorder, and i'm trying to firewire my footage across. Now , it has trouble instailising, but can control my camcorder from Kdenlive i.e pause, play etc. When I try recording it plays the camcorder but does not record. Also does not show the camcorder feed on the laptop.
I have to disconnect the camcorder in order to get anything to work, and it the tells me that Capture crashed. Check parameters.
I have tried Kino, with no Joy.
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May 20, 2010
I installed 10.04 LTS yesterday on a desktop. I have a problem with the mouse, it's very jumpy/not smooth. I can move it across the screen and it will jump up and down and left to right. Jittery I guess you would say. I've googled this and seen several people with the issue but no one has a rock solid solution. Does anyone here have any suggestions? I know it isn't the mouse, I've tried a different one, and it reacts the same on any surface.
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Sep 1, 2011
Im very new to Ubuntu having never used it before.I have installed it on my netbook (Dell Mini 1010) and im having troubles playing video files such as .avi and .mkv they load up but the sounds is jumpy and the video skips/jumps so its unviewable.
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Aug 10, 2011
I have no sorted out my jumpy video in ubuntu on my Dell Mini 1010, just had to update/change some drivers/change some settings. Now I am trying to get the HDMI out to connect to my TV but it doesn't show up on the TV and nothing on the netbook shows that it is connected.
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Nov 16, 2010
I have Ubuntu 10.10 installed at work on my Dell Optiplex 755, which runs perfect. So I decided to install Ubuntu on my home desktop, which so far has been a mistake. Booting up takes almost 5 minutes, after I login it takes about 2 minutes to get to my desktop, typing in any application (even a shell) is horribly lagged, almost to the point where the PC is unusable. I also get extreme lag when executing programs, or just simply clicking a submit button. It will take 2-10 seconds to actually click or execute. The weird part is visual effects extra works perfect and smooth.
CPU: i7 920
Ram 6Gb's
HD1: Veloci Raptor 300Gb 10k RPM
HD2: WD 1.5Tb (Storage)
Video: MSI N250GTS 1Gb
SmartD shows my Raptor healthy, here are the read test speeds.
Min Read Rate 7.6Mb/s
Max Read Rate 128.2 Mb/s
Avg Read Rate: 105.5 Mb/s
Avg Access Time: 8.6ms
Note: The graph has quite a few drop downs (as you can see the minimum is very low). I've also ran badblocks on the drive which came back with 0 errors. Do I need a special driver for my hard drive? I'm attempting to watch a movie on [URL] and it works fine as long as I continually move my mouse, when I stop moving the mouse the video gets jumpy.
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Feb 17, 2011
1: when im surfing the web and watchin vids....the screen appears jumpy? i think its a graphic card problem but i dont know were to find it.......or how to sort this!2: using skype i find that my mic dont work but my cam dose...when i use the sound recorder in the applications the mic works!!!3: i had a wireless symbol at the top on the panel but now its gone!!! any ideas where i can find it to put it back up there!!4:i instailed itunes using WINE but now i cant remove it due to the fact that everytime i chose uninstail it reinstalls!!? i want to remove it coz it is jumpy too!!!i aint too sure if my notebook has got to be modified to be able to use ubuntu 10.10 to the best it has to offer
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Nov 13, 2010
I installed Ubuntu 10.10 on my PowerBook G4 (I think that's powerbook 5,6 but I could be mistaken). Most everything is fine from a function standpoint except for the touchpad/trackpad. Unlike most users who seem to be getting an insensitive touchpad, mine seems to be picking up some interference from an unknown source. The mouse frequently jumps around the screen either horizontally back and forth or sometimes vertically. If I disable the trackpad it seems to stop (at least for a few minutes). Sometimes I can lay my palm flat on the trackpad and it will cause the mouse to stand still also which makes the external mouse usable.
Are there any solutions to this? (I did install the, what is it, gpointing-devices package? The one that provides the GUI for touchpad configuration and that has not helped at all, except that I can use it to periodically disable the trackpad for a temporary fix)
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Jul 20, 2010
New installation of Suse 11.3, with a new build of the git repository Cinelerra-CV 4.1 from the [URL] web site instructions.Loaded a 5 second mpg file into Cinelerra, and then tried to play it back in both the viewer and the main window. It does decode the video and play it back, however, the playback speed is not smooth. It jumps, in what look like 1 second intervals, and then it gets really slow towards the end of the playback. By jumps, I mean that it is like the speed of playback is on a curve with bumps on each second. Since this is a new installtion of Cinelerra, it could be some settings that are off, as it has been some time since using Cinelerra.For comparison, the same mpg file plays back fine in Kdenlive, although Kdenlive uses a much smaller playback screen...but it is nice and smooth in terms of playback speed. It also plays fine in Banshee.I did take a look at the Cinelerra html manual, and there was a section on system adjustments that you can make...although I would like to find out what is causing it, and if it is a feature of the Cinelerra build?
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Oct 22, 2010
here's some background info: purchased a brand new netbook last week (samsung n130) and thought i'd set up a dual-boot to accompany the pre-installed windows xp sp3, and after a bit of research i decided upon installing ubuntu as my preferred linux os, which i believe at the time was and still is version 10.10.
but the problem is: when i attempt to watch flash videos (from videos for example) the video streams fine, but the audio is very jumpy and skips back and forth every few seconds. occasionally there are periods of say 10-15 seconds where the audio is ok. the problem exists on both firefox and chrome, and is exclusive to ubuntu. keep in mind that i'm an absolute novice when it comes to linux/ubuntu, etc.
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Jan 1, 2010
how to install Kdenlive 0.7.6? I've extracted it from tar.bz2 to my desktop.how to install through the terminal, I also need step by step instructions as I don't know the commands for the terminal.
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Apr 15, 2011
I recently updated from ubntu 10.10 to 11.04. (64bit). Now my Kdenlive stopped working.
Terminals says:
lars@ubuntu:~$ kdenlive
Qt: Session management error: None of the authentication protocols specified are supported
kdenlive: malloc.c:3096: sYSMALLOc: Assertion `(old_top == (((mbinptr) (((char *) &((av)->bins[((1) - 1) * 2])) - __builtin_offsetof (struct malloc_chunk, fd)))) && old_size == 0) || ((unsigned long) (old_size) >= (unsigned long)((((__builtin_offsetof (struct malloc_chunk, fd_nextsize))+((2 * (sizeof(size_t))) - 1)) & ~((2 * (sizeof(size_t))) - 1))) && ((old_top)->size & 0x1) && ((unsigned long)old_end & pagemask) == 0)' failed.
KCrash: Application 'kdenlive' crashing...
KCrash: Attempting to start /usr/lib/kde4/libexec/drkonqi from kdeinit
sock_file=/home/lars/.kde/socket-ubuntu/kdeinit4__0
Warning: connect() failed: : No such file or directory
KCrash: Attempting to start /usr/lib/kde4/libexec/drkonqi directly
Alarm clock
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Jul 12, 2010
I'm running F13 with everything up to date. I've installed Kdenlive thru yum as my video editor, and everything works fine, except that there is no icons on any of the widgets in the application. And yes, I've checked that 'text alongside icons' is set in the menus. It's like the kde icons haven't been installed.Here's what is installed, from 'yum list *kde*':
fedora-kde-icon-theme.noarch 0.0.2-2.fc13 @fedora
kde-filesystem.noarch 4-35.fc13 @fedora
kde-settings.noarch 4.4-16.fc13 @fedora
[code]....
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Mar 29, 2011
Having upgraded to from 11.3 to 11.4 I now am unable to render in KDENLIVE. I've installed MLT, FFMPEG and KDELIVE with dependencies from Packman.
What is different from my 11.3 install is MLT has moved up a notch. 0.5.10 to 0.6.2. Does 0.6.2 work with KDENLIVE 0.7.8? I would think it should.
I have see MLT 0.7.0 is released but will wait for the RPM to be released on Packman.
This is the message taken from terminal.
[Code].....
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Aug 14, 2010
I have an issue with Skype video similar to this thread [URL] where the test video doesn't work and I only see a white screen from my own webcam. The receivers can see my video and I can see their video, however. Video from my webcam works fine in Cheese and Guvcview. It seemed to start after I loaded the Compiz-config-settings-manager in an effort to fix video tearing (didn't work). Also Kdenlive now crashes every time I try to run a clip, but it was working great before. Even if I remove CompizConfig I still have the problem.
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