// Oprogramowanie Roman Ryltsov
Microsoft’s James Daily wrote back in 2011 (and it’s an incredible response in the public forum from MS guy – provided that DirectShow branch of the same forum did not see anything close for 10+ years) about how technologies relate one to another: Hey, I’m the team’s DShow expert. Trevor asked me to take a…
Use of separated certificate and private key might be confusing without understanding how parts or CryptoAPI are related one to another. Apparently, CryptSignMessage and friends require private key in order to create a digital signature. It is not a problem when private key resides right in the signing certificate (such as, for example, imported with…
The tool gathers and formats capture capabilities of hardware accessible via Matrox DSX SDK: Matrox DSX SDK is a feature-rich development toolkit that enables Matrox’s industry-leading DSX hardware capabilities. OEMs use this hardware and software to build complete solutions that ensure 24/7 on-air reliability in a broadcast environment. Matrox DSX SDK customers have access to…
(this is a re-post from StackOverflow) Virtual webcam is typically a software only implementation that application discover as if it is a device with physical representation. The mentioned applications use APIs to work with web cameras and ability to extend the APIs and add your own video source is the way to create a virtual…
A really nasty problem coming from MainConcept AVC/H.264 SDK Encoder was destroying media streaming pipeline. SDK is somewhat old (9.7.9.5738) and the problem might be already fixed, or might be not. The problem is a good example of how a small bug could become a big pain. The problem was coming up in 64-bit Release…
IX509PrivateKey::Export exports key data from COM object, MSDN: strExportType [in] A BSTR value that specifies how the private key is exported. If the key was created by using a CNG KSP (Key Storage Provider), you can specify one of the values allowed by the pszBlobType parameter in the NCryptExportKey function. If the key was created…
Building a slim version of FFmpeg (specifically: MOV muxer without AVI muxer) from latest source, an error around ff_reshuffle_raw_rgb is breaking the build: movenc.o : error LNK2019: unresolved external symbol ff_reshuffle_raw_rgb referenced in function mov_write_packet libavformat/avformat-v-57.dll : fatal error LNK1120: 1 unresolved externals library.mak:111: recipe for target ‘libavformat/avformat-v-57.dll’ failed make: *** [libavformat/avformat-v-57.dll] Error 96 Not…