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|ID||Project||Category||View Status||Date Submitted||Last Update|
|0002029||Kdenlive||MLT||public||2011-02-17 22:36||2011-03-03 06:35|
|Target Version||Fixed in Version|
|Summary||0002029: Memleak in MLT?|
|Description||I just rendered a project with several H.264 clips. No transitions, just a bunch of videos on a single track. When rendering, memory usage constantly rises until about 42% shortly before rendering is finished. (2 GB here.)|
Is this normal?
Problem is, this also happens in kdenlive, when editing for a longer time. Then (I have no swap partition) kdenlive just gets killed by the kernel.
|Tags||No tags attached.|
|Build/Install Method||Manual build from SVN|
Periodically, for clients and specific bug reports, I do memory leak testing in MLT. For example, they have playlists for up to 24 hours that I run for several days continuously. There is no known problem at this time; however, that does not mean I just ran some tests. It has been a couple of months.
Increasing memory usage can be normal due to caching. For example, without VDPAU, MLT caches up to 10 instances of the avformat producer - with VDPAU, just 5. Then, for resident avformat instance, MLT caches the most recent 10 images produced. So, it is normal for memory to go up as the clips are used and obviously HD is going to use more. Also, the new parallel consumer consumes more mem with each worker thread added.
|2011-02-17 22:36||Granjow||New Issue|
|2011-03-03 06:35||ddennedy||Note Added: 0006519|
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