mp3 files with missing headers throws an exception

[todor]

1. Insert an mp3 audio file.
2. If the file is with missing or corrupted header, the media decoder native stops and throws an exception.

Fix:

• java - in the org.sophie2.main.media.natlib.decoder.MediaNativeBridge is added if clause to check whether returned response is ErrorResponse that contains "length < 0" substring in its message, which means that the packet read from the file is corrupted (mostly the header)...
• natives - in the media_decoder.h file in the decodeaudio3 method, the assert that used to check whether the decoding of the packet is successful is changed to if clause, and if it is corrupted/missing/ it throws an exception that is handled in the mainLoop of the native. A ErrorResponse with the exception message is returned to the java side.

A patch with the changes is added.

[stefan]

sample mp3 with damaged/missing header