need to start at 0. The pipeline, which contains the global clock that
all elements in the pipeline will use, in addition has a <quote>base
time</quote>, which is the clock time at the the point where media time
- is starting from zero. This timestamp is subctracted from the clock
+ is starting from zero. This timestamp is subtracted from the clock
time, and that value is returned by <function>_get_time ()</function>.
</para>
<para>