But having the ability to record to a codec like DNxHD with an external recorder like the Blackmagic Hyperdeck Shuttle 2 would be fantastic. Some might say that Magic Lantern, with its higher bitrate hack, provides adequate image quality for most circumstances - I won't necessarily disagree. Magic Lantern, of course, has thus far not been installable on the Canon 7D, and because the hardware is different, it's likely it never will be. Since many of us are looking to see where the next generation of cameras will take us, it's easy to forget about our workhorse cameras - the Canon T2i, 60D, and 5d Mark II. Well if that doesn't get you excited, I don't know what will. The good news is that DIGIC commands are the same on all cameras. Other possible functionality: clean HDMI out, moving the recorded box around in crop mode, custom curves applied to image, anamorphic preview. The following functions were implemented by changing DIGIC registers: FPS override, Highlight++, display saturation, display position adjustment, custom color palettes, and today, image filters. There are thousands of registers (many of them unused), so analyzing all of them by brute force is a huge task.
These functions which use DIGIC registers are found usually by trial and error (changing the values in these registers blindly and writing down what they do). Alex, one of the testers, had this to say: So how could this be possible? The wonderful and adventurous souls who have been testing Magic Lantern have now explored the possibility of opening up new features by using a brute force method of changing parameters one-by-one and seeing what they do. But being able to enhance the current crop of Canon cameras and enable clean HDMI might be just around the corner. Panasonic also isn't there yet - likely because of their own video division.
It's not likely that Canon will have clean HDMI in their next 5D, based on the 1DX not having it, and Canon's worry about cannibalizing their video division. Interestingly enough, Nikon struck the first blow with the D4 and D800. Clean, uncompressed, HDMI-out has been a holy grail for many DSLR filmmakers - particularly because the ability to record a much higher bitrate codec would solve many image issues. What was thought to be an impossibility only months ago - might soon become a reality.
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