This issue occurs when multiple video streams are playing at the same time in a DirectShow-based application that uses the enhanced video renderer (EVR) filter. When this issue occurs, the video seek bar is still progressing, but the rendering is paused.
Additionally, in the same scenario, the lower frame rate video playback affects the playback rate of the greater frame rate video.
Additionally, in the same scenario, the lower frame rate video playback affects the playback rate of the greater frame rate video.