How to convert h264 avi video to VMS DirectShow avi format ?

MIP
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1

How I can convert my h264 avi video into the video accepted by DirectShow ?

as mention in this thread https://developer.milestonesys.com/s/question/0D50O00003V9qIDSAZ/virtaual-camera-added-to-the-vms-but-not-able-to-view-with-direct-show-driver

I found out that when I save video from VMS client it is accepted by direct show and the codec for video is msvideo1.

I was not able to convert to that codec neither with VLC, nor with gstreamer.

2

It turns out ffmpeg can convert to msvideo, but it will be slow (encoding has the same fps as original video)

ffmpeg -i input.avi -c:v msvideo1 output.avi