[PATCH v2 0/9] MR7160: Draft: Implement encoding for sink writer.

[Ziqing Hui (＠zhui)]

Based on top of tests MR !7125.

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  v2: mfreadwrite: Implement IMFSinkWriterEx.
      mfreadwrite: Implement create_transform.
      mfreadwrite: Implement sink_writer_SetInputMediaType.
      mfreadwrite: Rename update_media_type_from_upstream and make it non-static.
      mfreadwrite: Use a transform array for writer.
      mfreadwrite/tests: Test sample processing for mp4 sink writer.
      mfreadwrite/tests: Test getting transforms from mp4 sink writer.
      mfreadwrite/tests: Test AddStream and SetInputMediaType for mp4 sink writer.
      mfreadwrite/tests: Remove trivial if.

https://gitlab.winehq.org/wine/wine/-/merge_requests/7160