Help keep using my OS X

FCP X is capable processing editing-unfriendly formats like AVCHD natively without transcoding it to an editing-friendly format.
See here, here and here, articles/guides and thread found via a www search using "avchd native FCP X".

And here is how you SHARE:

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As for BluRay, use the Master File selection and use that in whatever BluRay Authoring application you use for that.

 

Zalle your are steeping unto a different platform with Mac then your PC. If you don't know a software they are all a pain to learn.
If you are going to learn and use FCP-X get and practise and look at YouTube they have some great tutorial on this software.
Actually FCP-X is very easy to use and has some time saving features.

 

The share it as .mp4 file, the Apple Devices presets create an .mp4 or .m4v (can be renamed to .m4v easily) file anyway, and if a Windows computer cannot recognise .mp4 files, than it is too old to exist anyway. Do you still want to use the .avi or .wmv container?

 

The .mp4 container is a modern container, that is playable in Windows since at least version 5.1 (XP).

MPEG-2 is inferior to MPEG-4, but MPEG-4 is also more CPU intensive during playback (decoding and such).

So what is the actual confusion about? The .mp4 container or the MPEG-2 options for exporting from FCP X? MPEG-2 is meant for video DVD and BluRay playback disks, other than that it is not very space efficient.

.avi is a very old container that is gradually left in the past by being replaced with .mp4 and .mkv. .wmv is just a nuisance for me, but I guess still valid in the Windows world, but since .mp4 is quite platform agnostic (or has a lot more support than .wmv for several platforms) I would go with .mp4.

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Video Compression
Why It Matters & How To Make The Most Of It

which includes the following sections:

• GOPs, Macroblocks & Wavelets
• Acquisition Formats
• Editing & Post Formats
• Final Cut Pro
• Avid Media Composer
• Adobe Premiere Pro
• Which Codec Should I Edit With?
• Conclusion
• Camera Codec Summary
• Apple ProRes Variations
• Avid DNxHD Codecs

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I know this is a dump comment but even most windows based "video" files are now offered at *.mp4.
Please keep in mind that this and mpg2 are transport files and not for editing.
Read up GOP tech