negotiate
Description:
Negotiates src pad caps with downstream elements.
Unmarks GST_PAD_FLAG_NEED_RECONFIGURE in any case. But marks it again if GstBaseSrcClass::negotiate
fails.
Do not call this in the GstBaseSrcClass::fill
vmethod. Call this in GstBaseSrcClass::create
or in
GstBaseSrcClass::alloc
, _before_ any buffer is allocated.
Parameters:
this |
base source instance |
Returns:
|