May. 14th, 2006

bwh: (Default)

Yesterday we found some problems with our streaming set-up that hadn't appeared in the short time we had to test it beforehand. Firstly, due to a misconfiguration, the 10 Mbps link from the Parliamentary Tower to our network became congested with broadcast traffic. This seems to have been fixed, though I don't know the details. Secondly, at times when the picture kept changing, the encoding machine was unable to encode it in real time. We believe we've fixed this by using libtheora-mmx in place of the standard libtheora. Finally, we weren't able to set up both internal and external Icecast servers, and to save bandwidth we had to stop people at Debconf from streaming from the external servers. We have fixed this with the aid of some new NAT and firewall rules.

If you're at Debconf you can use http://video:8000/hacklab.ogg or http://video:8000/tower.ogg.

If you're outside, carry on using video.debconf.org. One of the servers has gone down due to a disk failure, but should be back later. In the mean time we should be able to add more relay servers.

bwh: (Default)
Before I forget about it, here are the materials I prepared for my talk "Multithreading: why and how we should use it". I know I didn't present very well, but hopefully the links will give you a bit more explanation.

February 2011

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