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 [IEvolution] Access to Codec Property pages

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T O P I C    R E V I E W
MattOV Posted - May 09 2012 : 21:25:41
Hi Fabrizio,

I've been working on a DirectShow video capture application using IEvolution and am currently creating the output AVI using:

Dim result As HiComponents.IEvolution.IEImage.CreateAVIFileResult
            result = (IeViewer1.Image.CreateAVIFile("Output12.avi", 25, "dmb1"))


I am using the Morgan MJEG codec to write the AVI file (available from http://www.morgan-multimedia.com/morgan/php/products.php?sProductId=4&sProductSub=info ). I want to be able to access the Codec property pages for the codec that control the output parameters for the AVI (the Morgan MJPEG codec in this case), like I can for the DirectShow filters. Is this possible?

thanks

matt
8   L A T E S T    R E P L I E S    (Newest First)
MattOV Posted - May 15 2012 : 00:18:00
Thanks Fabrizio.

I'll try to transfer that approach to my .Net application and see how I go. It makes sense so shouldn't be a problem. Appreciate the help.
fab Posted - May 14 2012 : 22:59:56
VideoCapture\DirectShow4 - captures using directshow and save back using CreateAVIFile/SaveToAVI

VideoCapture\DirectShow1 - a bit more complex, but allows to specify a directshow filter on the output file. Just select webcam as input, and a file name as output (and a codec).
MattOV Posted - May 14 2012 : 20:58:17
Can you point me to which DirectShow sample? All I can see is the sample that calls the SaveToAVI method that I am currently using.

Much appreciated...matt
fab Posted - May 14 2012 : 02:39:12
Yes, you can. Please look at directshow samples.
Anyway AVI writing is limited by VfW interface.
MattOV Posted - May 14 2012 : 02:14:43
Thanks Fabrizio,

Can I capture video using Direct Show and then write frames to an AVI using direct show?

thanks

matt
fab Posted - May 14 2012 : 01:59:28
CreateAVIFile doesn't use DirectShow, but the old api Video for Windows (VfW), so DirectShow property sheets aren't available.
MattOV Posted - May 13 2012 : 22:22:22
Thanks for the feedback Fabrizio

I can access the Codec settings this way and I was probably not clear as I really want to get access to the DirectShow compressor settings (see this page http://www.morgan-multimedia.com/morgan/php/products.php?sProductId=4&sProductSub=screenshots ) to control the output AVI file properties. Is this possible?

thanks again
matt
fab Posted - May 10 2012 : 08:04:42
Hi Matt,
there is an unique way to show codec properties: set codec to an empty string. For example:

IeViewer1.Image.CreateAVIFile("Output12.avi", 25, "")

Selecting a codec, the "Configure" button should be enabled. Unfortunately it shows also the codec selection dialog.