[PATCH v5 0/8] MR3810: winegstreamer: Implement add_stream and push_sample for muxer.

[Ziqing Hui (＠zhui)]

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  v5: winegstreamer: Implement wg_muxer_push_sample.
      winegstreamer: Implement ProcessSample for media sink.
      winegstreamer: Implement wg_muxer_start.
      winegstreamer: Implement wg_muxer_add_stream.
      winegstreamer: Introduce create_element_by_factory.
      winegstreamer: Introduce find_element_factory.
      winegstreamer: Introduce link_src_to_sink.

https://gitlab.winehq.org/wine/wine/-/merge_requests/3810