// Oprogramowanie Roman Ryltsov
I am reposting a Q+A from elsewhere on injecting raw audio data obtained externally into Windows API media pipeline (in Russian). Q: … какой Ñамый проÑтой ÑпоÑоб превратить порции байтов в формате PCM в Ñжатый формат, например WMA иÑÐ¿Ð¾Ð»ÑŒÐ·ÑƒÑ Ñ‚Ð¾Ð»ÑŒÐºÐ¾ ÑредÑтва Windows SDK? […] Ñ Ñ‚Ð°Ðº понÑл, что без напиÑÐ°Ð½Ð¸Ñ Ñвоего фильтра DirectShow (DS) –…
A few years ago the question was already asked: DirectShow Spy: Who Sent EC_ERRORABORT?. The spy already attempted to log a call stack in order to identify the sender of the message. However overtime the tracing capability stopped functioning. There were a few reasons and limitations of internal stack unwinder specifically resulted in inability to…
Recent submissions of DirectShow and Media Foundation capture capabilities brought references to new interesting hardware. 1. Magewell USB Capture HDMI Gen 2 AKA XI100DUSB-HDMI — USB\VID_2935&PID_0001 Reports ability to capture up to 1920×1080 video at 60 frames per second in YUY2 and RGB pixel formats. XI100DUSB-HDMI Video Media Types (Windows 10; 10.0.15063) XI100DUSB-HDMI Video Media…
Virtual DirectShow sources have been a long time synonym of software-only camera implementation exposed to applications along with physical cameras in a way that applications consume the sources without making a difference whether the camera is real or virtual. Vivek’s template was a starting point for many: Capture Source Filter filter (version 0.1) 86 KB…
False assertion failure in DirectShow BaseClasses transip.cpp, in CTransInPlaceFilter::Copy: ASSERT(lDestSize >= lSourceSize && lDestSize >= lDataLength); […] CopyMemory((PVOID) pDestBuffer, (PVOID) pSourceBuffer, lDataLength); The code asserts on “lDestSize >= lSourceSize” which is true in most cases, but it does not have or need to be true. The code below copies just lDataLength bytes and assertion on…
M-JPEG and H.264 media types are available again (good) Nevertheless connected, H.264 video is not processed correctly; new bug or old one? Not clear. Even though it sort of works, in DirectShow it looks broken in another new way (this and not just this), perhaps a collateral damage and maybe never ever fixed… There is…
Both tools now include exact version of the API and also include an export or registry key related to frame server. mfcore.dll version of 10.0.14393.105 corresponds to Cumulative Update for Windows 10 Version 1607: August 31, 2016 also known as KB3176938 with DirectShow and Media Foundation improvement for Windows 10 Anniversary Update that restores availability…