Comment 2 for bug 936488

StacktraceTop:
 drms_init (_p_drms=0x7f62e00255d0, i_type=<optimized out>, p_info=0x7f62e0026778 "\204D\202o\326\377Y\262\256\b\303\025\322\352\066\\Do\226\062\221\267d\261_\332/\246P\364-\vy\026Z\370\227B\301+>\210\202\215zl>9\030\001\241\276P\305G\311T->b/\312\067\357z0\327\252y\377\360\211\263\252\306\001\071T\356\032\245sm\224O\n\312\a0T\374\327\274\030\307s\302\256\064\177\222b\227\060\362\377\317C<\267\314)\004\345\341\032\307\025\330\033u\203\344#\026\263\016\250\177\262hx4k4\345\232\252\205\004\325\211\266?t{\006\002z\347d\377\345\070\275\230%\276\312F\216\340\066\200\324\017\223\061\245\253J\260\\\227\065a\032\241\263\001\362\316\225\362/E\335++\234\327\227\241\337\321\024\021\t\375\315"..., i_len=<optimized out>) at drms.c:335
 MP4_ReadBox_drms (p_stream=0x7f62e00196a8, p_box=0x7f62e0018720) at libmp4.c:2408
 MP4_ReadBox (p_stream=0x7f62e00196a8, p_father=0x7f62e0018480) at libmp4.c:3109
 MP4_ReadBoxContainerRaw (p_container=<optimized out>, p_stream=<optimized out>) at libmp4.c:301
 MP4_ReadBoxContainerRaw (p_stream=0x7f62e00196a8, p_container=0x7f62e0018480) at libmp4.c:288