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POCrop camera before streaming to a NetStream in Flash
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2011-03-23T17:23:14.487
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2012-03-06T02:22:53.860
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2012-02-29T16:22:37.297
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Body
I'm building a very simple publisher for the webcam in Flash. I want to select a camera and send the stream to a RTMP URL, basically: <pre><code>Camera camera = Camera.getCamera(); NetStream ns = new NetStream(connection); ns.attachCamera(camera); ns.publish("stream name"); </code></pre> Now, I know I can set a mode on the camera, like this: <pre><code>camera.setMode(320, 240, 25); </code></pre> But what I really would like to do is to set a mode such as 360 x 480 (not the same aspect ratio as the camera is recording) and have Flash crop the image for me. Is there a way to do that? Edit: I know <a href="http://www.adobe.com/products/flash-media-encoder.html" rel="nofollow">Flash Media Live Encoder</a> can do this, but I would like to do it in the browser. According to the <a href="http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/flash/media/Camera.html#setMode%28%29" rel="nofollow">ActionScript docs for Camera.setMode</a>, there is an optional fourth parameter that sounds interesting, <code>favorArea</code>. From the docs: <blockquote> favorArea:<code>Boolean</code> (default = <code>true</code>) — Specifies whether to manipulate the width, height, and frame rate if the camera does not have a native mode that meets the specified requirements. The default value is <code>true</code>, which means that maintaining capture size is favored; using this parameter selects the mode that most closely matches <code>width</code> and <code>height</code> values, even if doing so adversely affects performance by reducing the frame rate. To maximize frame rate at the expense of camera height and width, pass <code>false</code> for the <code>favorArea</code> parameter. </blockquote> But it defaults to true and it doesn't seem to make what I want (I want to crop the image of each frame, throw away some data, and stream the rest).
Tags
<flash><camera><webcam><crop><rtmp>
Title
Crop camera before streaming to a NetStream in Flash
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