Running with strace -e openat:
... openat(AT_FDCWD, "/usr/share/mplayer/skins/default/main.png", O_RDONLY) = 15 Error in skin config file at line 6: PNG read error in /usr/share/mplayer/skins/default/main ...
The png file opens fine in eog.
Running with strace -e openat:
... mplayer/ skins/default/ main.png" , O_RDONLY) = 15 mplayer/ skins/default/ main
openat(AT_FDCWD, "/usr/share/
Error in skin config file at line 6: PNG read error in /usr/share/
...
The png file opens fine in eog.