A helper function you can use that sets the FIXED_CAPS flag
This way the default CAPS query will always return the negotiated caps
or in case the pad is not negotiated, the padtemplate caps.
The negotiated caps are the caps of the last CAPS event that passed on the
pad. Use this function on a pad that, once it negotiated to a CAPS, cannot
be renegotiated to something else.
A helper function you can use that sets the FIXED_CAPS flag This way the default CAPS query will always return the negotiated caps or in case the pad is not negotiated, the padtemplate caps. The negotiated caps are the caps of the last CAPS event that passed on the pad. Use this function on a pad that, once it negotiated to a CAPS, cannot be renegotiated to something else.