<html> <head> <style></style> </head> <body class='hmmessage'> Hi all,     I am playing with a pipeline with texas instruments dm365 like:    alsasrc->audio encoder->appsink, where appsink grabs the encoded data and sends it by RTP.     The audio encoder is a mulawenc, but modified to use ittiam g.711 codec.      Now, with command "top", I can see that CPU utilization is low (0.2%) for a period time, then it will be high(like 90%) for a while, and this high-low CPU utilization circle repeats.     As I understand, the "chain" function in mulawenc accepts data pushed by alsasrc, at a frequency about 400 times per second, for a 64kbps g.711 and 160-byte frame size. I think this is a killer for the performance.     I am quite new to gstreamer, so I hope some one will help me with this problem.   Regards,   Rafael </body> </html>