* Some users are trying to use them for non-ancient iDevices when
  baseline profile and level 1.3/3.0 would not be required.

* "640" and "320" no longer make sense.

* Some recommended options can be viewed at:
  <https://trac.ffmpeg.org/wiki/Encode/H.264#iOS

>

Signed-off-by: Lou Logan <lou@lrcd.com>
Signed-off-by: Timothy Gu <timothygu99@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

This allows the following usages:
FFMPEG_DATADIR=presets ./ffmpeg -f lavfi -i testsrc=d=5 -vcodec libx264 -vpre ipod640 -f null -
FFMPEG_DATADIR=presets ./ffmpeg -f lavfi -i testsrc=d=5 -vpre libx264-ipod640 -f null -

The second example was broken even if documented.

These are available via -preset or -vprofile and the addition of
-qp 0 or -crf 0 if lossless is desired.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Janne Grunau <janne-libav@jannau.net>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>