Re: [PATCH 0/1] MR9716: mf: Don't crash if stream is null during sample request.

[Nikolay Sivov (＠nsivov)]

There is an order in which objects are created. When starting the pipeline we should be waiting for sources to start, and that implies creating streams. Sink should only request after clock changes, that comes later.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/9716#note_125092