在 2019/12/10 18:42, Eric Hassold 写道: > Hi all, > > Tracking issue with one small program using Media Foundation was > failing at runtime only if compiled with Mingw, I found out that > definitions for some GUID in mfidl.h are incorrect (or mixed, with one > ID getting the value of another). > > Namely, at mfidl.h:3407, GUID: > MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE_VIDCAP_GUID > is defined as: > 0xc60ac5fe, 0x252a, 0x478f, 0xa0, 0xef, 0xbc, 0x8f, 0xa5, 0xf7, 0xca, 0xd3 > but this is actually the UUID for MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE > (while definition for MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE itself is > missing). > > Correct values should be: > EXTERN_GUID( MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE, 0xc60ac5fe, 0x252a, > 0x478f, 0xa0, 0xef, 0xbc, 0x8f, 0xa5, 0xf7, 0xca, 0xd3); > EXTERN_GUID(MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE_VIDCAP_GUID, > 0x8ac3587a, 0x4ae7, 0x42d8, 0x99, 0xe0, 0x0a, 0x60, 0x13, 0xee, 0xf9, > 0x0f); > > Attached is patch for mfidl.idl (need to regenerate mfidl.h, not > included in patch). > >
Thanks. Pushed this one. Side note: WIDL 4.19 doesn't seem to like `WINBOOL` and reports syntax errors likes this: ``` WIDL mediaobj.idl:20: error: syntax error, unexpected aIDENTIFIER ``` I replaced all `BOOL` with `WINBOOL` to generate the header. I also had to be careful not to commit such changes by accident. I hope someone is going to fix this issue. -- Best regards, LH_Mouse
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