fragment: Get 'tfra' box only when 'mfra' box is present.
treefc867aba1d2689e2759d45c1b6b886cc1f8e6779
-rw-r--r-- 286 .gitignore
-rw-r--r-- 454 .travis.yml
-rw-r--r-- 738 LICENSE
-rw-r--r-- 2535 Makefile
drwxr-xr-x - cli
drwxr-xr-x - codecs
drwxr-xr-x - common
-rwxr-xr-x 10390 configure
drwxr-xr-x - core
-rw-r--r-- 231743 lsmash.h