Hello, Tim I did a test. Buffer size of one frame after jpegenc for 800x300 rgb is /360 000/ byte Why i have 1.5Mb in a file? Mikl -- View this message in context: http://gstreamer-devel.966125.n4.nabble.com/File-size-issue-tp4680048p4680055.html Sent from the GStreamer-devel mailing list archive at Nabble.com.