.
Thread 1 (Thread 0x7fccc0b82740 (LWP 4943)):
#0  0x00007fccbf86a37a in eval_sse (count=2, b=<optimized out>, a=0x7fff12432f11 "") at /build/buildd/libav-0.7.2/libavcodec/roqvideoenc.c:120
        diff = <optimized out>
#1  squared_diff_macroblock (b=<optimized out>, size=2, a=0x7fff12432f10 "\001") at /build/buildd/libav-0.7.2/libavcodec/roqvideoenc.c:176
        bias = 1
        cp = 2
        sdiff = 473171864
#2  index_mb (dim=2, outIndex=<optimized out>, numCB=-6425, cb=0x3ff0000000000000 <Address 0x3ff0000000000000 out of bounds>, cluster=0x7fff12432f08 "\002") at /build/buildd/libav-0.7.2/libavcodec/roqvideoenc.c:285
        i = <optimized out>
        lDiff = <optimized out>
        pick = <optimized out>
#3  generate_new_codebooks (tempData=0x1713ef4, enc=0x18085e0) at /build/buildd/libav-0.7.2/libavcodec/roqvideoenc.c:867
        i = <optimized out>
        codebooks = <optimized out>
        mb2 = "\002\000\000\000\314\177\000\000\001\000\000"
        results4 = 0x0
        yuvClusters = 0xf7ffffff <Address 0xf7ffffff out of bounds>
        j = <optimized out>
        max = 1076887552
        points = 0x172bae0
        bias = <optimized out>
#4  roq_encode_video (enc=0x18085e0) at /build/buildd/libav-0.7.2/libavcodec/roqvideoenc.c:890
        tempData = 0x1713ef4
        i = <optimized out>
#5  roq_encode_frame (avctx=<optimized out>, buf=0x200000000 <Address 0x200000000 out of bounds>, buf_size=<optimized out>, data=<optimized out>) at /build/buildd/libav-0.7.2/libavcodec/roqvideoenc.c:1047
        enc = 0x18085e0
        frame = <optimized out>
        buf_start = 0x200000000 <Address 0x200000000 out of bounds>
#6  0x416644ebe08f0668 in ?? ()
No symbol table info available.
#7  0x4166450f4dca71eb in ?? ()
No symbol table info available.
#8  0x41664531ab04ec20 in ?? ()
No symbol table info available.
#9  0x41664552feb7bd0e in ?? ()
No symbol table info available.
#10 0x416645734f3f69af in ?? ()
No symbol table info available.
#11 0x41664592a2dbfa86 in ?? ()
No symbol table info available.
#12 0x416645b0ffb1429b in ?? ()
No symbol table info available.
#13 0x0000000000000000 in ?? ()
No symbol table info available.