// Oprogramowanie Roman Ryltsov
To follow up previous post with Media Foundation bug, here goes another one related to property handler for MPEG-4 files (.MP4) and specific property PKEY_Video_FrameRate which reports frame rate for given media file. This is the object responsible for filling columns in explorer, or otherwise visually the bug might look like this: The values of the properties are…
Unfortunately, 64-bit version of Windows Media Video 9 Decoder is not as good as its 32-bit sister. 32-bit version is user an order of magnitude more frequently and does not give troubles, nevertheless 64-bit version offers similar feature set it is pretty hard to see it in action since it takes a 64-bit media application to host…
Although HRESULT codes are so common and structure is simple and well known, and even Visual Studio helps decoding the values nowadays, looking up for code takes some effort: hexadecimal value, searching through SDK headers or online, overlapped regions of codes in FACILITY_ITF etc. MSDN describes the codes in the following sections: Structure of COM…
Matthew van Eerde already made a similar wrapper over MFTEnumEx in How to enumerate Media Foundation transforms on your system, and this one extends it with enumeration of attributes, also listing them in human friendly way. This sort of code should perhaps have been in Media Foundation SDK Samples, however we have what we have.…