Avisynth does not read over 1GB?

[Bugi]

I have got a really strange problem, and I assume this is Avisynths fault.

I am trying to encode a 1,4GB avi file to MPEG2 using an Avisynth script:
avisource("E:\Movies\Flames.avi")
LanczosResize(720,390)
AddBorders(0,93,0,93)
ConvertToYUY2()
ResampleAudio(44100)

The path to the file is correct.

Once I load this script in either TMPGenc or CCE, it returns me the error "ACM failed to suggest a compatible PCM format (C:\...\Flames.avs, line 1)"

When I change the path to another Xvid movie (but with 700MB size):
avisource("E:\Movies\Finding.avi")
It loads fine in both encoders.

When I load the 1,4GB file directly into CCE or TMPGenc, they read it without problems.

I have tried with the latest dev-3 and dev-4 codecs, and the latest ffdshow, it didn't help.

So it seems to me Avisynth cannot handle files with a size of 1,4GB... but I couldn't find anything about this in the forums here, nor on the Avisynth site.

(btw I'm using Avisynth 2.5.4)

[stickboy]

AviSynth has no problems opening AVI files well over 1 GB.
Once I load this script in either TMPGenc or CCE, it returns me the error "ACM failed to suggest a compatible PCM format (C:\...\Flames.avs, line 1)"This error message is audio-related... what format is the audio in?

[Mug Funky]

ah. i'd wondered why VfW was spitting out some of my bigger files...

i know there's a 1GB limit on wav files, but there wouldn't be anything near 1GB of sound in a 1.4GB movie.

a good test would be to load with:

avisource("E:\Movies\Flames.avi",audio=false)

and see what happens there.

[Bugi]

Originally posted by stickboy
AviSynth has no problems opening AVI files well over 1 GB.
This error message is audio-related... what format is the audio in?

the audio is in AC3, 192kbit, it has the size of 388MB. AC3filter is installed.
However I'll try the suggestion in the previous post.

[Bugi]

It solves the problem if I put in the audio=false
Forgive my ignorance, I thought AviSynth did only supply the videopart. And besides, the programs did open the files themselves directly without nagging about any PCM. Maybe there is a bug in AviSynth afterall?

[mf]

No. AVISynth attempts to decode the audio stream using ACM (Audio Compression Manager). There is only one ACM AC3 codec available afaik and that's made by FccHandler - you claim to have AC3Filter installed but it's DirectShow. If you wished to decode the audio using Directshow you'd have to do this:
AVISource("Flames.avi").AudioDub(DirectShowSource("Flames.avi")
But given that Dshow is a pain in the * for AVISynth I'd only think it'd complicate matters.