Canon Community

I've got a Canon 70D and took a video of my grandaughter and grandson last night.  Uploaded to my MacPro and played it back and the video was choppy - not a smooth video, as if I was watching every other half second of video. Could this just be a set...

Greetings, and Happy Holidays! Newbie here - been using Canon products for years, and whenever I hooked up my camera to my MacPro, it would automatically start to upload my pictures into iPhoto.  Now that I purchased a 70D, it's not doing nothing, an...