Depending on what EXIF data gets written to the file, you might inspect it using imageGetEXIFMetadata() and determine a change. Usually cameras will drop the date taken in there, maybe your webcam does too.
<cfimage source="/path/to/your/file.jpg" name="myImage" /> <cfset test = imageGetEXIFMetadata(myImage) /> <cfdump var="#test#" /> -Cameron On Mon, Jan 9, 2012 at 9:52 AM, Mike Kear <afpwebwo...@gmail.com> wrote: > > I have a webcam in the studio of our radio station, and it hangs > sometimes. I want to try to pin down when this happens, and send myself an > email with the time etc so i can track down what's causing the camera to > hang. The webcam software uploads an image to the site every 30 > seconds, so I figure i can track down when this hanging is occurring by > comparing the current image with one that was uploaded 30 seconds ago. > When they are identical, that tells me when the camera stalled. > > Here's my question: how can I use CF9 (enterprise if it makes any > difference) to determine if the current image is identical to the one > uploaded 30 seconds ago? > > Is there a CF image function or tag that will compare one image with > another? If not, is there a java function or something I can use? > > > Cheers > Mike Kear > Windsor, NSW, Australia > Adobe Certified Advanced ColdFusion Developer > AFP Webworks > http://afpwebworks.com > ColdFusion 9 Enterprise, PHP, ASP, ASP.NET hosting from AUD$15/month > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Order the Adobe Coldfusion Anthology now! http://www.amazon.com/Adobe-Coldfusion-Anthology/dp/1430272155/?tag=houseoffusion Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:349365 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/groups/cf-talk/unsubscribe.cfm
