// Oprogramowanie Roman Ryltsov
“The next generation of game capture is here.” The device addresses needs of real time capture of video signal: offering a pass-through HDMI connection the box provides a video capture sink with USB 3.1 Type C interface and makes the video signal available to video capture applications via standard DirectShow and Media Foundation APIs. I…
It appears there is a sort of a limitation (read: “a bug”) in Media Foundation MPEG-4 File Source implementation when it comes to reading long fragmented MP4 files. When respective media source is used to read a file (for which, by the way, it does not offer seeking), the source issues a MF_SOURCE_READERF_ENDOFSTREAM before reaching…
It appears that re-initialization of encoding session with NVIDIA Video Codec SDK is or might be producing an unexpected memory leak. So, how does it work exactly? The root case problem is secondary nvEncInitializeEncoder call. Alright, it might be not exactly how API is designed to work, but returned statuses all indicate success, so it…
Some time ago I wrote about a bug in AMD’s H.264 Video Encoder MFT, where implementation fails to synchronize access to Direct3D 11 texture. So Intel’s implementation has exactly the same problem. Intel® Quick Sync Video H.264 Encoder MFT processes input textures/frames without acquiring synchroization and can lose actual content. It is pretty hard to reproduce…
If you are curious what video encoding capabilities Radeon RX Vega M GH Graphics offers for a Media Foundation application, here are the details. Some introductory information for starters: The AMD Radeon RX Vega M GH is an integrated GPU in the fastest Intel Kaby-Lake-G SoC. It combines a Kaby-Lake processor, a Vega graphics card…
When it comes to vendor specific SDK for hardware assisted video encoding, Intel Media SDK is perhaps the oldest one among current vendors: Intel, NVIDIA, AMD. And also surprisingly the worst one. All three vendors are offering their SDKs for really close capabilities, however the kits are designed and structured differently. If NVIDIA and AMD…
Even though AMD H.264 Video Encoder Media Foundation Transform (MFT) AKA AMDh264Encoder is, generally, a not so bad done piece of software, it still has a few awkward bugs to mention. At this time I am going to show this one: the video encoder transform fails to acquire synchronization on input textures. The problem comes…