If you ever used DirectShow under windows then you know that if you want draw text on preview you can use VMRRenderer, but windows mobile dont provide any way to draw text on preview
I see there only 1 way to solve it - Draw text directly on stream, so we need SampleGrabber to […]
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What is SampleGrabber? this is filter (as a rule Transform or TransInPlace) that goes after filter which samples we are going to grab.
Why do we need SampleGrabber?
1. In windows mobile this is the fastest way to still images, more than that we still uncompressed images (so we dont loose time for encoding/decoding)
2. We can use […]
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Most of us who was trying to use DirectShowNETCF found that resolution of stilled image smaller that it could be, for example my device (Samsung i710) got default resolution on still pin 320×240, but i know that it supports resolutions up to 2Mpx. So that should be fixed
What do we need to change […]
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Ok, most popular question for last week was: “How to still images from windows mobile camera?”
I finished my project little bit earlier that i was planing, so i have free time again and looking for job too
So what do we need? tons extra com interfaces (Ipin, IEnumPins, IEnumFilters, IFileSinkFilter, IAMVideoControl and so on).
Also […]
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In previous post i explained how to play video or audio on Windows Mobile devices using DirectShow.
I`ve received some emails with request to explain how preview video from device camera.
First of all in Windows Mobile SDK in examples you can find C++ exmaple. I`ve seen examples that suggest to compile example from SDK to dll […]
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