New answers tagged mp4
You should be able to define you own 3 character long language code for imported media using the option :lang=LAN when specifying your media file for import. LAN being your own language code. So you could use something like SCN and TCN.
MP4 files should be all you need. There shouldn't be any encryption on the files. It is possible you may need to download a codec. MP4 files are just a container format, so different codecs could be used within it. It is possible that you don't have the needed codec installed, but if you do, the files should just open in After Effects without issue.
No most video formats (nearly all) do not allow custom ICC color profiles to be embedded. most video on the consumer end is intended for the REC.709 color space. sRGB is similar and uses the same primaries. transcoding (including compressing) will almost always result is a slight shift in color accuracy, saturation, gamma curve, or black and white level ...
Somewhat of an duplicate of: Can I manually change an .mp4 to .m4v by changing the extension in the Finder (mac) or explorer (win)? MP4 and M4V are essentially exact same thing, M4V is usually used for video only files but some sofware is using it for standard MP4 files with video AND audio aswell. It's just a convention to signal the type of content. An ...
That is way out of the h264 specs. According to Adobe After Effects the format constrains for h264 are at min. 10fps so even 2fps are (not, see below) out of spec and could result in issues with some players. So Avidemux seems to allow out of spec settings, that 1 fps isn't possible, is very likely an internal issue with how h264 gets encoded in Avidemux. ...
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