Re: [PATCH 0/8] MR8184: Draft: mf: Implement thinning.

[Nikolay Sivov (＠nsivov)]

Nikolay Sivov (@nsivov) commented about dlls/mfsrcsnk/media_source.c:
> EnterCriticalSection(&source->cs);
> +    old_thin = source->thin;
>      source->rate = rate;
> +    source->thin = thin;
>      LeaveCriticalSection(&source->cs);
>
> -    return IMFMediaEventQueue_QueueEventParamVar(source->queue, MESourceRateChanged, &GUID_NULL, S_OK, NULL);
> +    if (FAILED(hr = IMFMediaEventQueue_QueueEventParamVar(source->queue, MESourceRateChanged, &GUID_NULL, S_OK, NULL)))
> +        return hr;
> +
> +    if (old_thin != thin)
> +    {
> +        PROPVARIANT param;
> +        param.vt = VT_BOOL;
> +        param.boolVal = thin;
> +        hr = IMFMediaEventQueue_QueueEventParamVar(source->queue, MEStreamThinMode, &GUID_NULL, S_OK, ¶m);

This one is documented to use VARIANT_TRUE/VARIANT_FALSE.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/8184#note_105015