#0  _int_malloc (av=0x498400, bytes=128) at malloc.c:4709
#1  0x0038ffb8 in _int_memalign (av=0x498400, alignment=32, bytes=72) at malloc.c:5492
#2  0x00391d9f in __GI___libc_memalign (alignment=32, bytes=72) at malloc.c:3880
#3  0x00392d94 in __posix_memalign (memptr=0xbfffdaac, alignment=32, size=72) at malloc.c:6315
#4  0x0869ad0e in av_malloc (size=72) at libavutil/mem.c:94
#5  0x0869ae21 in av_mallocz (size=72) at libavutil/mem.c:186
#6  0x08197a3a in ff_interleave_add_packet (s=0x8f09340, pkt=0xbfffdebc,
    compare=0x8197d36 <ff_interleave_compare_dts>) at libavformat/utils.c:3348
#7  0x081981ae in av_interleave_packet_per_dts (s=0x8f09340, out=0xbfffdc20, pkt=0xbfffdebc,
    flush=0) at libavformat/utils.c:3429
#8  0x081984fe in interleave_packet (s=0x8f09340, out=0xbfffdc20, in=0xbfffdebc, flush=0)
    at libavformat/utils.c:3494
#9  0x081985d2 in av_interleaved_write_frame (s=0x8f09340, pkt=0xbfffdebc)
    at libavformat/utils.c:3515
#10 0x0804d082 in write_frame (s=0x8f09340, pkt=0xbfffdebc, ost=0x8f17ba8) at ffmpeg.c:1003
#11 0x0804ed73 in do_video_out (s=0x8f09340, ost=0x8f17ba8, ist=0x8f09860, in_picture=0x8f191a0,
    frame_size=0xbfffdfa4, quality=0) at ffmpeg.c:1497
#12 0x08051a55 in transcode_video (ist=0x8f09860, pkt=0xbfffe044, got_output=0xbfffe0bc,
    pkt_pts=0xbfffe090, pkt_dts=0xbfffe088) at ffmpeg.c:2146
#13 0x08051ede in output_packet (ist=0x8f09860, ost_table=0x8f17ba8, nb_ostreams=2, pkt=0xbfffe15c)
    at ffmpeg.c:2237
#14 0x080554f3 in transcode (output_files=0x8f02078, nb_output_files=1, input_files=0x8f1a2c8,
    nb_input_files=1) at ffmpeg.c:3009
#15 0x0805ce6a in main (argc=6, argv=0xbffff6f4) at ffmpeg.c:5092