backtrace

Program received signal SIGSEGV, Segmentation fault.
0x7711e764 in ff_av_fast_realloc (ptr=0x0, size=0x0, min_size=0)
    at libavcodec/utils.c:130
130     libavcodec/utils.c: No such file or directory.
        in libavcodec/utils.c
(gdb) bt
#0  0x7711e764 in ff_av_fast_realloc (ptr=0x0, size=0x0, min_size=0)
    at libavcodec/utils.c:130
#1  0x7711e790 in ff_av_fast_realloc (ptr=0x0, size=0x764892e4,
    min_size=90360) at libavcodec/utils.c:131
#2  0x7711e790 in ff_av_fast_realloc (ptr=0x0, size=0x764892e4,
    min_size=90360) at libavcodec/utils.c:131
#3  0x7711e790 in ff_av_fast_realloc (ptr=0x0, size=0x764892e4,
    min_size=90360) at libavcodec/utils.c:131
#4  0x7711e790 in ff_av_fast_realloc (ptr=0x0, size=0x764892e4,
    min_size=90360) at libavcodec/utils.c:131
#5  0x7711e790 in ff_av_fast_realloc (ptr=0x0, size=0x764892e4,
    min_size=90360) at libavcodec/utils.c:131
#6  0x7711e790 in ff_av_fast_realloc (ptr=0x0, size=0x764892e4,
    min_size=90360) at libavcodec/utils.c:131
#7  0x7711e790 in ff_av_fast_realloc (ptr=0x0, size=0x764892e4,
    min_size=90360) at libavcodec/utils.c:131
#8  0x7711e790 in ff_av_fast_realloc (ptr=0x0, size=0x764892e4,
    min_size=90360) at libavcodec/utils.c:131
#9  0x7711e790 in ff_av_fast_realloc (ptr=0x0, size=0x764892e4,
    min_size=90360) at libavcodec/utils.c:131
#10 0x7711e790 in ff_av_fast_realloc (ptr=0x0, size=0x764892e4,
    min_size=90360) at libavcodec/utils.c:131
#11 0x7711e790 in ff_av_fast_realloc (ptr=0x0, size=0x764892e4,
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