By using this technique, the graph is pumped with TS packets which leave enough room for the decoders to control the graph’s timing.
Moreover, the micro stutter common with pull mode async filters is eliminated entirely.
All PIDs and tables can be preserved if you use a WMP plug-in featuring a transport stream editor for A-B cuts.
The main features of HDTV Pump Filter are HDTV support; high precision pump filter architecture; shared file access for playing while recording; supporting AC3, MPEG1 and MPEG 2 tracks and allowing you to play ATSC/DVB .ts files with your favorite media player (on condition the media player is DirectShow-based).
HDTV Pump Filter has not been updated for several years, and its last version was 1.0.7. The changes in HDTV Pump Filter 1.0.7 included: relaxed CRC check, added a plug-in for Windows Media Player, growing stream support, improved seeking (especially in VBR streams), and setup program added.
The requirements for HDTV playback indicated by the developers of this filter are Pentium III 700 or better, a HDTV capable MPEG codec, DirectX 9 and Windows 2000 SP2 or Windows XP and above.
HDTV Pump Filter is outdated and most users have installed superior filters which include its features and much more. This application can be useful if you are using an older machine with an older version of Windows.
What makes this filter different from other similar applications is using the push mode to ensure smooth playback of HDTV/SDTV files.