// Oprogramowanie Roman Ryltsov
Various Alax.Info Utilities
GeneratePcmWavFile tool is generating PCM .WAV files with requested parameters, silent or with a sine wave data. The utility uses WavDest SDK Sample as a multiplexer, so it is expected to be available. It is possible to define the following audio data parameters: sampling frequency, number of samples per second, such as 44100 or 48000…
The LoadCpu tool creates one or more threads to waste CPU cycles and emulate slower environment, such as for testing and troubleshooting. There has been a great deal of similar tools out there, and this one in particular is convenient/special as it takes process affinity mask as a parameter. That is, /a:NN defines affinity mask,…
DirectShow Spy is updated with a few new features: retroactive Intelligent Connect trace log output for IAMGraphBuilderCallback-related activity process name based black list to selectively exclude processes from spying Intelligent Connect Trace The utility received a capability to read back from its own log file (DirectShowSpy.log, located typically in C:\ProgramData directory) and reconstruct graph building…
An updated version of LogProcessExceptions utility is given an additional option to create minidump .DMP files for debugged process on user request. This is in particular useful in conjunction with flag choices (on the previous page of the wizard). Download links: Partial Visual C++ .NET 2010 source code: Trac, Subversion Binaries: Win32 – LogProcessExceptions.exe, x64…
Recent IP Video Source class/module is not limited to use via registration as a video input/capture/source device. The filter is also registered as a regular filter and can be used programmatically in a regular way: CoCreateInstance, AddFilter etc. A C++ code snippet below shows how to import interface definition, create an instance of the filter,…
Two widely popular applications, which use DirectShow API appeared to be locked in a combat: Google video chat is installing a plugin which registers artificial video capture sources “Google Camera Adapter 0” and “Google Camera Adapter 1”. As the application does not announce any integration capabilities and is only using video for internal purposes for…
This does not update the software with new features, but there are a few simple things worth mentioning explicitly. The first is that virtual DirectShow camera device can be set up with both M-JPEG and JPEG URLs. That is, IP cameras which do not implement M-JPEG, or implement it in a buggy way (there is…