Description: dspack package, there are examples code, very useful
File list (Check if you may need any files):
DSPACK
......\changes.txt
......\Clean.bat
......\CreateDoc.bat
......\Demos
......\.....\BCB6
......\.....\....\Playcap
......\.....\....\.......\main.cpp
......\.....\....\.......\main.dfm
......\.....\....\.......\main.h
......\.....\....\.......\Playcap.bpr
......\.....\....\.......\Playcap.cpp
......\.....\....\PlayWin
......\.....\....\.......\main.cpp
......\.....\....\.......\main.dfm
......\.....\....\.......\main.h
......\.....\....\.......\PlayWin.bpr
......\.....\....\.......\PlayWin.cpp
......\.....\Clean.bat
......\.....\D5
......\.....\..\Compress
......\.....\..\........\DIVX Compressor
......\.....\..\........\...............\Compressor.dpr
......\.....\..\........\...............\Unit1.dfm
......\.....\..\........\...............\Unit1.pas
......\.....\..\........\File Recompressor
......\.....\..\........\.................\Project1.dpr
......\.....\..\........\.................\Unit1.dfm
......\.....\..\........\.................\Unit1.pas
......\.....\..\Demos.bpg
......\.....\..\DVDPlay
......\.....\..\.......\DVDPlay.dpr
......\.....\..\.......\Unit1.dfm
......\.....\..\.......\Unit1.pas
......\.....\..\Filter Enumerator
......\.....\..\.................\Editor.dfm
......\.....\..\.................\Editor.pas
......\.....\..\.................\FilterEnum.dpr
......\.....\..\Filters
......\.....\..\.......\NullIP
......\.....\..\.......\......\main.pas
......\.....\..\.......\......\NullIP.dpr
......\.....\..\.......\......\PropEdit.dfm
......\.....\..\.......\......\PropEdit.pas
......\.....\..\.......\NullNull
......\.....\..\.......\........\main.pas
......\.....\..\.......\........\NullNull.dpr
......\.....\..\.......\WaveDest
......\.....\..\.......\........\main.pas
......\.....\..\.......\........\WaveDest.dpr
......\.....\..\PlayVideoCap
......\.....\..\............\main.dfm
......\.....\..\............\main.pas
......\.....\..\............\PlayCap.dpr
......\.....\..\PlayWin
......\.....\..\.......\main.dfm
......\.....\..\.......\main.pas
......\.....\..\.......\playwin.dpr
......\.....\..\.......\SelectURL.dfm
......\.....\..\.......\SelectURL.pas
......\.....\..\SampleGrabber
......\.....\..\.............\SnapShot.dpr
......\.....\..\.............\Unit1.dfm
......\.....\..\.............\Unit1.pas
......\.....\D6-D7
......\.....\.....\ASF
......\.....\.....\...\ASF Capture
......\.....\.....\...\...........\ASFCap.dpr
......\.....\.....\...\...........\main.dfm
......\.....\.....\...\...........\main.pas
......\.....\.....\Compress
......\.....\.....\........\DIVX Compressor
......\.....\.....\........\...............\Compressor.dpr
......\.....\.....\........\...............\Unit1.dfm
......\.....\.....\........\...............\Unit1.pas
......\.....\.....\........\File Recompressor
......\.....\.....\........\.................\Compress.dpr
......\.....\.....\........\.................\Unit1.dfm
......\.....\.....\........\.................\Unit1.pas
......\.....\.....\DVDPlay
......\.....\.....\.......\DVDPlay.dpr
......\.....\.....\.......\Unit1.dfm
......\.....\.....\.......\Unit1.pas
......\.....\.....\Filter Enumerator
......\.....\.....\.................\Editor.dfm
......\.....\.....\.................\Editor.pas
......\.....\.....\.................\FilterEnum.dpr
......\.....\.....\Filters
......\.....\.....\.......\Alpha Renderer
......\.....\.....\.......\..............\AlphaRenderer.dpr
......\.....\.....\.......\..............\UAlphaRenderer.pas
......\.....\.....\.......\Async
......\.....\.....\.......\.....\Asyncflt.dpr
......\.....\.....\.......\.....\clean.bat
......\.....\.....\.......\.....\MemFile
......\.....\.....\.......\.....\.......\MemFile.dpr
......\.....\.....\.......\.....\.......\UMemFile.pas