To whom it may Concern,

I am converting .rm and .rmvb files via AviSynth to VirtualDub then to Tmpenc.
I have done acouple hundred no problem, but recently I have tried to open a
file which was larger than 40Mb I tried afew large ones, and got the same problem.

Saying DirectShowSource could not open file stream due to no be able to find the approiate filters, Maybe not the exact wording but pretty close.

Now I have installed Real Alternative, which means if I try to open a .Rm or Rmvb file by Windows media player it will use the realmedia dll's some how and play them, this does work for the files less than 40mb and ones greater than 40Mb, but when I make a file i.e. a .avs file
with one line DirectShowSource ( Filename , fps=25 , convert=true) something like this
I know the syntax I use in my script since I have used this for over 300 files. But when I
specfy a file name a .rm or .rmvb file which is more than 40Mb in size and double click on the .avs file to tes it it tries to Open a the Windows Media player but fails with the error mention. If I dont open it by the .avs file but directly click on the .rm file it works.
Which would indicate some bug with Avisyth to me, I have the 2.56 version, I tried the 2.57
but it didn't fix it so I went back to 2.56.

Any ideas how to fix this or what to look for I would have put this in another forum, But I cannot for a day or two since i just joined...

Waiting for a reply.....