DirectShow the legacy Windows multimedia API. Windows Media Foundation (WMF) the modern replacement. For historical reasons (partly related to camera support), the DirectShow backend tends to be selected by default.
I try to create a media player application that uses QVideoProbe. Apparently there are two mediadriver plugins (or multimedia backends) for Windows. DirectStreamer and Media Foundation (MF or WMF). Both has some limitations.
Such details provide a deeper understanding and appreciation for Window Multimedia Back-End.
The software for using Windows programs under Linux and macOS offers Wayland support enabled by default, optimizes the display of programs and lets you try out a new multimedia backend based on FFMPEG.
This particular example perfectly highlights why Window Multimedia Back-End is so captivating.
Hi, by executing configure -help you get all options available. So pass -wmf-backend to configure. but be prepared that wmf backend will be removed in 5.7.Start from Qt-5.6, DirectShow is used as the default multimedia backend under Windows.
Qt Multimedia relies on platform-specific multimedia frameworks (like GStreamer on Linux, DirectShow on Windows, AVFoundation on macOS/iOS). If the necessary backend or its plugins aren't installed or configured correctly on the user's system, start() will fail silently or just...
