Tag: Video

UWP Media Element fullscreen playback bug

New platform, Universal Windows Platform (UWP), offers new Media Foundation bugs. UWP Media Element embeds a Media Foundation video renderer to present media video frames played back. Under certain conditions, the Media Element control fails to present video inline with just incrementing the presentation time indicating playback in progress. Nevertheless once expanded full screen the…

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Reference Signal Source: Direct3D 11 awareness

A few updates to DirectShowReferenceSource module, it’s Media Foundation video Media Source related part today. First, the video media source is now handling restarts from paused state correctly and resumes frame generation from proper position (not from zero as before). Second, the video media source is now Direct3D 11 aware. That is, when it participates…

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NVIDIA H.264 Encoder Media Foundation Transform’s REGDB_E_CLASSNOTREG

For already years Nvidia’s H.264 video encoder Media Foundation Transform has been broken giving REGDB_E_CLASSNOTREG “Class not registered” failure in certain circumstances, like main display is not the one connected to Nvidia video adapter. As simple as this: CoInitialize(NULL); MFStartup(MF_VERSION); class __declspec(uuid(“{60F44560-5A20-4857-BFEF-D29773CB8040}”)) CFoo; // NVIDIA H.264 Encoder MFT CComPtr<IMFTransform> pTransform; const HRESULT nCoCreateInstanceResult = pTransform.CoCreateInstance(__uuidof(CFoo));…

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Video Processor MFT scaling bug

Let us break the silence with a fresh Media Foundation bug. D3D11 WARNING: ID3D11DeviceContext::PSSetShaderResources: Resource being set to PS shader resource slot 0 is inaccessible because of a previous call to ReleaseSync or GetDC. [ STATE_SETTING WARNING #7: DEVICE_PSSETSHADERRESOURCES_HAZARD] A Direct3D 11 enabled instance of Video Processor MFT is doing something wrong with the data…

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