HTML5 mp4 video working in Chrome and Desktop Safari but not iPhone

Question

I am trying to simply play an HTML5 video which will be compatible with all common browsers (including mobile devices). For now, I am testing with one custom video and a sam

Answer 1

iOs doesn't support all the profiles that h.264 provides. You have to encode your h264 with a baseline profile only in order for it to be playable on iphone/ipad.