Plugin for Final Cut Pro users out of preference use the E1.

MPEG Streamclip shifts the gamma and gives you s.incorrect file, too dark.

The same 39-second H.264 clip needed with Stream clips only 44 seconds encoding time to ProRes standard. Although gamma is here a shade darker fall than in the original, but this can be and easily in Final Cut Pro resolve quickly. The speed advantage outweighs in this case by far.