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OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

This allows you to use the following video streaming services outside of the US from your Mac without having to use a proxy or VPN, so no big bandwidth issues:

Netflix
Hulu / HuluPlus
CBS
ABC
MTV
theWB
CW TV
Crackle


	for f in *.png
	do
	# Process to get File Name & 2x, 3x file names
	xNAME=`echo "$f" \| cut -d'.' -f1`
	cp "$f" "[email protected]"
	cp "$f" "[email protected]"

	# Set proper resolution to original file
	sips -s dpiHeight 72.0 -s dpiWidth 72.0 "$f"

	var qrCode = new CIQRCodeGenerator {
	Message = NSData.FromString (someText),
	CorrectionLevel = "Q"
	}.OutputImage;

	UIGraphics.BeginImageContext (new SizeF (qrCode.Extent.Width * 8, qrCode.Extent.Height * 8));
	var cgCtx = UIGraphics.GetCurrentContext ();
	var ciCtx = CIContext.FromOptions (null);
	cgCtx.InterpolationQuality = CGInterpolationQuality.None;
	cgCtx.DrawImage (cgCtx.GetClipBoundingBox (), ciCtx.CreateCGImage (qrCode, qrCode.Extent));