Firefox 46.0.1 running on Win XP. I created a new profile to test, still happening.
Example URL: http://soquicktopointthefinger.tumblr.c ... hsugarblur
I see some errors in the console, probably relevant:
Code: Select all
GET https://secure.assets.tumblr.com/client/prod/standalone/video-iframe/index.build.js [HTTP/2.0 200 OK 469ms]
POST XHR https://geo.query.yahoo.com/v1/public/yql [HTTP/1.1 200 OK 937ms]
mutating the [[Prototype]] of an object will cause your code to run very slowly; instead create the object with the correct initial [[Prototype]] value using Object.create index.build.js:47:9080
Specified "type" attribute of "video/mp4" is not supported. Load of media resource https://www.tumblr.com/video_file/141147236217/tumblr_o343riSDIY1r3uvu0/480 failed. 400
All candidate resources failed to load. Media load paused. 400
POST http://ss.symcd.com/ [HTTP/1.1 200 OK 172ms]
GET https://secure.assets.tumblr.com/assets/src/scripts/vendor/video-js/video-js.swf [HTTP/2.0 404 Not Found 94ms]
Edit:
Solution: http://www.msfn.org/board/topic/175591- ... out-flash/