HTML 5 courses published from Adobe Captivate freezes on the latest versions of Google Chrome Browser – 36.0.1985.125. We have investigated the issue and our findings are listed below . BTW ,we are still continuing to investigate if there any potential issue which is unknown at the moment and will keep you folks posted.
Reason : The support for deprecated methods , noteOn and noteOff in the Web Audio API has been removed in the latest mp3tag chrome update. These methods were deprecated in the standard a year ago but modern browsers still support these methods and the support was present in chrome till version 35. With Chrome 36, the support for these methods has been removed which results in content freeze and JavaScript errors: Issue 2: Slide backgrounds with gradients may not appear correctly.
Reason : Captivate uses SVG support to draw slide backgrounds.The w3c draft for SVG: http://www.w3.org/TR/SVG/struct.html#SVGElementWidthAttribute states that if width and height of SVG element is unspecified, the value should be internally treated as 100%. So, the SVG should be drawn on the entire rectangle. Chrome version 36 requires width and height to be explicitly specified due to this change, slide backgrounds may not appear correctly.
The good news is we have the fix for the above two issues and the steps to patch captivate are below Download mp3tag this file https://workspaces.acrobat.com/?d=wo37Ob7I-*v3IPc8UGHD*Q and unzip it. You ll find an index.html file. Go to [INSTALLDIR]/HTML file location. For example: Windows: C:\Program Files\Adobe\Adobe Captivate 7\HTML. Mac: /Applications/Adobe Captivate 7/HTML. Replace the index.html present in the above location with the downloaded file.
This is something to do with chrome settings. mp3tag Go to chrome://flags/. Search for “Disable hardware-accelerated video decode.” setting and enable it. Videos will play fine once you restart chrome after above steps.
This goes beyond the eLearning field, since it prevents Vimeo movies from playing for example. I don’t know why the Google folks decided to enable this parameter by default but it is really frustrating for users who need to find the problem by themselves before actually solving it.
Pasha Souvorin
This update didn’t work for me. I followed the directions. After the patch I exported a project out of Captivate and the resulting CPM.js file still has noteON and noteOFF in it. I did all of this twice just to be sure.
Did you try playing the course in browser? The patch is solving the issue without touching the existing things, so you’ll see the noteOn and noteOff methods in CPM.js, but the course will still play fine.
Is there another way to get this zip file? When I try to download it, I get a black page with no content. When I right click, I only get an html file of the web page downloaded, not the zip file that contains the package.
Hmmmm…..I’ve just downloaded Captivate 8 and trying to put .oam into a new Captivate slide show. I can see the .oam (a logo) on the slide but when I preview, the .oam content is invisible. If I publish to html I can see it. Am I missing something?
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