[gst-devel] sync

ved kpl ved.kpl at gmail.com
Thu Feb 23 12:47:05 CET 2006

i would like 2 know exactly how the syncing is done.
i didn't understand some things when i went thru the basesink,baseaudiosink
files. why, in the baseaudiosink ,the gettimes func returns the the null
values for the start & end time for the buffer, whereas in the basesink it
returns the the actual values. i got a little confused when i went thru
them.so does that mean that for audio, the buffer nevers go  thru the wait
call . i would also like to know how the  xvimagesink uses  the clock
provided by the the baseaudiosink which increments the time based on the the
sampling rate(samples processed). how does that clock become global
automatically?,meaning how the other elemnets in the pipeline refer to that
if the sink uses gstsystemclock (provide-clock=false), will all the elements
basetime be set to current system time ? i would also didn't understand the
paramaters internal & external in  gst_clock_set_calibration.

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