Backport of "aggregator: Only send events up to CAPS event from gst_aggregator_set_src_caps(), don't send multiple caps events with the same caps and fix negotiation in muxers" into 1.20
requested to merge tpm/gstreamer:backport-mr-2372-into-1.20-aggregator-no-segment-from-caps-update into 1.20
Backport of !2372 (merged) "aggregator: Only send events up to CAPS event from gst_aggregator_set_src_caps(), don't send multiple caps events with the same caps and fix negotiation in muxers".
Commits:
- 90584e29 aggregator: Only send events up to CAPS event from gst_aggregator_set_src_caps()
- 841cba41 flvmux: Disable aggregator's default negotiation
- 52c419b7 mpegtsmux: Disable aggregator's default negotiation
- 7a679cc1 mxfmux: Disable aggregator's default negotiation
- d2c6f21f mp4mux: Disable aggregator's default negotiation
- b247305b aggregator: Don't send multiple caps events with the same caps