search for: chanleng

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2008 Aug 15
1
GSoC - Theora multithread decoder
...ic.unicamp.br/~piga/gsoc_2008/systime.png Next I tried to do some improvements, but without success. I think that the implementation as it is, could not be improved more with parallelism. Another approach could be tried to decode the next frame, as the current frame is decoding, but this is very chanlenging, because most of the frames has data dependency of the frame before it. The gain adding parallelism is 13% with OpenMP. Not so bad. My project is with few code, I tried to do my best. When I proposed this project I knew that it would be very difficult. It was challenging and I have learned a l...
2004 Aug 06
3
Videoconferencing with speex and jabber
...s never happy with the M$ Netmeeting stuff, because i have to nearly switch off my firewall to let this messy H323 in. But now this is really anoying because the want to push the people to XP and i have enaugh of that. I have searched the open source scene a long long time if someone change the chanlenge, but it doesn't happened. So it was time for me to start up with my own stuff. Why i dont like SIP or H323: The problem with these protocols is that they starts a second assynchcon connection on a unknown port. So i cant say the firewall waht to open. As i know, microsoft switchs off the fi...