(gdb) bt
#0  __memcpy_ssse3 () at ../sysdeps/i386/i686/multiarch/memcpy-ssse3.S:160
#1  0x0870256e in av_image_copy_plane (height=256, bytewidth=<optimized out>, src_linesize=<optimized out>,
    src=0x60 <Address 0x60 out of bounds>, dst_linesize=<optimized out>, dst=<optimized out>)
    at /usr/include/i386-linux-gnu/bits/string3.h:52
#2  av_image_copy_plane (height=<optimized out>, bytewidth=320, src_linesize=0, src=<optimized out>, dst_linesize=352, dst=<optimized out>)
    at libavutil/imgutils.c:245
#3  av_image_copy (dst_data=0x8e5cfc4, dst_linesizes=0x8e5cfd4, src_data=0xbfffd160, src_linesizes=0xbfffd170, pix_fmt=PIX_FMT_YUVJ420P,
    width=640, height=512) at libavutil/imgutils.c:273
#4  0x083da60d in av_picture_copy (dst=0x8e5cfc4, src=0xbfffd160, pix_fmt=PIX_FMT_YUVJ420P, width=640, height=512)
    at libavcodec/imgconvert.c:528
#5  0x08528ee3 in avcodec_default_reget_buffer (s=0x8e5bd60, pic=0x8e5cfc4) at libavcodec/utils.c:586
#6  0x082a8234 in decode_frame (avctx=0x8e5bd60, data=0x8e5bc20, data_size=0xbfffd550, avpkt=0xbfffd48c) at libavcodec/fraps.c:254
#7  0x08529cea in avcodec_decode_video2 (avctx=0x8e5bd60, picture=0x8e5bc20, got_picture_ptr=0xbfffd550, avpkt=0xbfffd48c)
    at libavcodec/utils.c:998
#8  0x0808b87d in transcode_video (pkt_dts=<synthetic pointer>, pkt_pts=<synthetic pointer>, got_output=0xbfffd540, pkt=0xbfffd47c,
    ist=0x8e5c690) at ffmpeg.c:2056
#9  output_packet (ist=0x8e5c690, ost_table=0x8e5b7d8, nb_ostreams=1, pkt=0xbfffd6d4) at ffmpeg.c:2237
#10 0x0809188e in transcode (output_files=0x8e5bb38, nb_output_files=1, input_files=0x8e5c158, nb_input_files=1) at ffmpeg.c:3009
#11 0x08086986 in main (argc=<optimized out>, argv=<optimized out>) at ffmpeg.c:5092