gst/gstpad.c (gst_pad_activate_push): There is a race condition whereby calling a...

gst/gstpad.c (gst_pad_activate_push): There is a race condition whereby calling a pad's activatepush() function can s...

Original commit message from CVS:
2005-10-03  Andy Wingo  <wingo@pobox.com>

* gst/gstpad.c (gst_pad_activate_push): There is a race condition
whereby calling a pad's activatepush() function can start a thread
that starts to push or pull before the pad gets the FLUSHING flag
unset. Hack around it by holding the stream lock until the flag is
set. Need to replace this with a proper solution. Together with
the ghost pad fixes, this fixes mp3 playing/tagreading.