[PATCH 01/10] mf/tests: Add tests for the topology loader.

[Nikolay Sivov]

On 6/15/20 4:41 AM, Sergio Gómez Del Real wrote:
> +    /* register a converter to test source -> mft -> sink */
> +    hr = CoRegisterClassObject(&test_conv_clsid, (IUnknown*)&ClassFactoryConv, CLSCTX_INPROC_SERVER, REGCLS_MULTIPLEUSE, &reg);
> +    ok(hr == S_OK, "Failed to register class object, hr %#x.\n");
> +
> +    typeinfo.guidMajorType = MFMediaType_Audio;
> +    typeinfo.guidSubtype = MFAudioFormat_ZZZ;
> +    hr = MFTRegisterLocalByCLSID(&test_conv_clsid, &MFT_CATEGORY_AUDIO_DECODER, str, MFT_ENUM_FLAG_ASYNCMFT, 1, &typeinfo, 1, &typeinfo);
> +    ok(hr == S_OK, "Failed to register mft, hr %#x.\n");
With MFTRegisterLocal() you won't need to register class object. I don't
think ASYNCMFT is essential here, right? We don't
currently support async transforms anywhere, so it's better to use
default flags.

> +    hr = MFTUnregister(test_conv_clsid);
> +    ok(hr == S_OK, "Failed to unregister mft, hr %#x.\n");
> +    hr = CoRevokeClassObject(reg);
> +    ok(hr == S_OK, "Failed to unregister class object, hr %#x.\n");
> +
MFTUnregister() is used for globally registered transforms.