[PATCH v3 0/2] MR5255: winegstreamer: Append an optional parser before decoders in wg_transform.

[Rémi Bernon]

Supersedes https://gitlab.winehq.org/wine/wine/-/merge_requests/5090

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  v3: winegstreamer: Append an optional parser before decoders.
      winegstreamer: Release sink caps in the error path.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/5255