#0  0xb76c3fe4 in msmpeg4_decode_block (s=0x86801f0, block=0x8695aa0, n=3, coded=1, 
#1  0xb76c5823 in msmpeg4v34_decode_mb (s=0x86801f0, block=0x8695920) at msmpeg4.c:1581
  [Error: msmpeg4.c was not found in source tree]
#2  0xb76cb337 in decode_slice (s=0x86801f0) at h263dec.c:206
  [Error: h263dec.c was not found in source tree]
#3  0xb76cc554 in ff_h263_decode_frame (avctx=0x867e940, data=0x867e850, data_size=0xb52fcfc0, 
#4  0xb7559765 in avcodec_decode_video (avctx=0x867e940, picture=0x867e850, 
#5  0xb79b13a7 in ff_decode_data (this_gen=0x867e370, buf=0x85f82d8) at ff_video_decoder.c:1220
  [Error: ff_video_decoder.c was not found in source tree]
#6  0xb7e2fd5a in video_decoder_loop (stream_gen=0x85e6108) at video_decoder.c:382
  [Error: video_decoder.c was not found in source tree]
#7  0xb7bba4fb in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#8  0xb7d9ed4e in clone () from /lib/tls/i686/cmov/libc.so.6