Official mimetypes vs. extension mapping for m4b files about mimetypemap

[samuelneff]

@sandreas Thank you for the detailed analysis. I looked into the history of how m4b got added to the list and did some additional research online. My conclusion is the same as yours, it should be audio/x-m4b.

If you would be so kind as to submit a PR, I'll merge it.

Thanks again,

Sam

[sandreas]

Ok thx for the quick response. I'll take some time to check other mimetypes by the mentioned resources and submit a pull request asap.

[sandreas]

There are the following other possible wrong /x- mappings:

.jar - actual: application/java-archive expected: application/x-java-archive
.aiff - actual: audio/aiff expected: audio/x-aiff
.m4b - actual: audio/m4b expected: audio/x-m4b
.pls - actual: audio/scpls expected: audio/x-scpls
.wav - actual: audio/wav expected: audio/x-wav
.pic - actual: image/pict expected: image/x-pict

I will submit a PR with all these corrected.

After further investigation i found out that about 700 items in /usr/share/mime/types have no mapping. Some examples:

text/xmcd
video/mp2t
video/vnd.mpegurl

The list is too long to correct all of them, but I'll try to do some of them. I'll create a second pull request, if I find some other improvements.

[sandreas]

Did not have the time to fix this, sorry.