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no playback sound

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shane2peru
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no playback sound

Thu Aug 13, 2009 2:56 am
First of all I must say I love the simplicity of kdenlive! It has an overall low learning curve for basic usage. Now the bad, you knew that was coming right? Minor stability issue, but that is to be expected with new apps. Ok enough chat on to the problem.

I'm working on Ubuntu Jaunty 64bit. I have intel drivers, and sound in general works fine, I'm using alsa, not pulseaudio, pulseaudio didn't like my system. I have kdenlive 0.7.5 installed. When I add a clip and try to play it to see where I want my starting point, I can't hear any sound. If I open that same clip in vlc, totem, mplayer, or any other app it works fine. I have played around with the playback options, and haven't gotten anywhere. Any ideas would greatly be appreciated.

I have another computer also with Ubuntu Jaunty 64bit installed and oss for the sound server, and sound playback works. However that computer suffers from ATI drivers and overheating, so it is unable to process the video once it is edited. I only mention this to let you know I have used kdenlive, and do enjoy it. The primary problem is the one above, and what I want to fix.

Shane

EDIT: PS. Also whenever I edit any video and export it on the no sound playback computer, the A/V sync is bad. The other one, the few that I have edited with it and actually got it to work, come out very good, A/V Sync, everything is great.
j-b-m
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Re: no playback sound

Sat Aug 15, 2009 7:04 pm
Can you check which SDL packages are installed on your system?
Maybe you need to install libSDL-alsa...
I also recommand that you delete the file:
$HOME/.kde/share/config/kdenliverc
if you played with the audio settings.
shane2peru
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Re: no playback sound

Fri Aug 28, 2009 3:33 am
Thanks!!! This fixed it for me! My laptop when it is being used for video rendering no matter what distro, Ubuntu, Suse 11, or PCLinuxOS it over heats for all of them and shutsdown! ATI drivers, and an AMD processor that runs hot, but at least now I can work on my desktop with kdenlive.

Shane
shane2peru
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Re: no playback sound

Fri Aug 28, 2009 4:46 pm
AV sync is still terrible off? is it a setting I need to change? I didn't have this problem on my laptop when I did a video or two on it. Any help would greatly be appreciated. I take a mpg file that is fine (AV sync is great) I split chop it down to half the size and create a one pass 6000k mpg file out of it, and it is terribly out of sync??? What can I do? The outputed video is about 45min, while the original is about 2 hours.

Shane
ddennedy
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Re: no playback sound

Sun Aug 30, 2009 8:35 am
There were some A/V sync regressions in the MLT for Kdenlive 0.7.5. Sorry. A new version is due soon. If you are the kind of person that enjoys the challenge to build from source, then it would be great for you to try the unreleased versions of MLT and Kdenlive and see if it resolved your problem.




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