Tag: Windows Media

IMediaObject::Discontinuity while Windows Media Video 9 Encoder has data to process

This is presumably a bug in Windows Media Video 9 Encoder in versions up to Windows 7 included (fixed in Windows 8.1 at the very least – wmvencod.dll 6.3.9600.17415). A IMediaObject::Discontinuity call destroys input the DMO it already holds: it reports success, and handles discontinuity correctly. It even drains output as it should, but if in the same time…

Read the full article

Windows Media Codec List

Windows Media Codec List utility uses IWMCodecInfo interface (see also IWMCodecInfo2, IWMCodecInfo3) lists installed Windows Media Codecs and their formats and presents the findings in a convenient way. The utility gives a quick idea what a programmer would obtain through IWMCodecInfo2/IWMCodecInfo3 interfaces and what well known format structures (WM_MEDIA_TYPE, AM_MEDIA_TYPE, WAVEFORMATEX, VIDEOINFOHEADER) correspond to particular…

Read the full article