Re: puzzel about preview and capture video simutaneously

On 31 Oct 2006 19:44:13 -0800, huzhou1238@xxxxxxxxxxxx wrote:

I have some puzzel about video capture,and I find nobody here meet this
probblem,so I propose it and hope someone gives me some advice.

My goal is preview and capture video simutaneously.During this period,I
find preview video is not simutaneously with source video and playing
preview video is not contineous.I find my cpu running fully while
change of RAM is slight.I also debug this process,no exception occurs
and cpu runs normally and also for RAM.I don't know where is problem.

I use directx 9.0 and VC++.net 2005.The filter graph is as follows:
capture filter-------avi mux----------filter writer //capture video
|------------video mixing renderer 9 //preview
Thanks in advance.

One problem with this setup is that you're writing uncompressed data.
Depending on your resolution and bit depth, that could be more data
than your disk can handle at full framerate. What is the resolution
and bit depth of your video?

--
Be seeing you.
.

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