Solveig Multimedia AVI Trimmer Component is an engine designed for nonlinear editing of AVI files, implemented as COM object based on Microsoft® DirectShow®.

Version 1.0 allows a developer to cut the part of an input AVI file with specified start/stop time positions and save it to an output AVI file.

The component package has all necessary binaries, Developer Reference Manual and Visual C++ application sample code, that demonstrates an usage of SolveigMM AVI Trimmer Component.

SolveigMM AVI Trimmer Component v.1.0 features:

Supports any video content (DV, XviD, DivX, 3ivX, etc…)
Supports any audio content (MPEG-1, MPEG-2 layer 2,3, AC3, etc…)
Allows trimming AVI files contained VBR audio without synchronization loss
Supports AVI files of the size more then 2GB
Supports the OpenDML AVI file format extension
Supports the native DV AVI format (both Type 1 and Type 2 in Microsoft terms)
Performs the trimming process starting with K frame

http://www.solveigmm.com/?Products&p=AVITrimmerCOM

SolveigMM AVI Trimmer plugin for Elecard XMuxer Pro http://www.elecard.com/products/xmux_pro.shtml is available on http://solveigmm.com/?Downloads

SolveigMM AVI Trimmer 1.1 is out
A feature of visual control and preview has been added

Good software...it's freeware too.