Re: [PATCH v5 0/2] MR8887: mf/tests: Test H.264 sink media type height alignment.

[Nikolay Sivov (＠nsivov)]

On Mon Sep  8 10:38:52 2025 +0000, Conor McCarthy wrote:
> I found the trigger for the output type change. The H.264 decoder
> returns `MF_E_TRANSFORM_STREAM_CHANGE` to change the format, presumably
> because the aligned size has become known. GStreamer does this too, so
> our decoder transform is already compliant. Wine's media source
> currently decodes the stream, so there is no transform to trigger this
> change in the session engine, hence the test failure there. After that
> is fixed, the only remaining issue will be to pass the format change
> down to the sink.
> I added a transform test.

We could use MEStreamFormatChanged to report format change at the source.