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0x80040265 while render file?

mc 4,836 Reputation points
2023-11-07T08:03:22.45+00:00 
CoInitialize(NULL);
IGraphBuilder* pGraph;
hr = CoCreateInstance(CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER, IID_IGraphBuilder, (void**)&pGraph);
hr=pGraph->RenderFile(L"d:\\28199253f211dc38eae79da92c44467b.mp4", NULL);

it returns 0x80040265 why?

C++
C++
A high-level, general-purpose programming language, created as an extension of the C programming language, that has object-oriented, generic, and functional features in addition to facilities for low-level memory manipulation.
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  1. Castorix31 86,231 Reputation points
    2023-11-07T08:34:30.37+00:00

    0x80040265 = VFW_E_UNSUPPORTED_STREAM

    Cannot play back the file: the format is not supported.

    (standard MP4 files work on my PC, but some don't (like HEVC))

    1 person found this answer helpful.
  2. Minxin Yu 12,251 Reputation points Microsoft Vendor
    2023-11-07T09:46:59.4866667+00:00

    Hi, @mc

    From the Supported Formats in DirectShow, mp4 is not supported by default filter.
    You may need third party filters.
    User's image

    Best regards,

    Minxin Yu

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