#0  0x00000000 in ?? ()
Cannot access memory at address 0x0
Cannot access memory at address 0x0
Cannot access memory at address 0x0
Cannot access memory at address 0x0
Cannot access memory at address 0x0
Cannot access memory at address 0x0
#1  0x00380bcc in x264_log (h=Cannot access memory at address 0x0
Cannot access memory at address 0x0
Cannot access memory at address 0x0
Cannot access memory at address 0x0
Cannot access memory at address 0x0
Cannot access memory at address 0x0
Cannot access memory at address 0x0
0x0, i_level=Cannot access memory at address 0x0
0, psz_fmt=Cannot access memory at address 0x0
0x4a81b0 "invalid level_idc: %d\n") at common/common.c:546
Cannot access memory at address 0x0
#2  0x00378a38 in x264_validate_parameters (h=Cannot access memory at address 0x0
Cannot access memory at address 0x0
Cannot access memory at address 0x0
0x2788000) at encoder/encoder.c:468
#3  0x00378d0c in x264_encoder_open (param=0x5c9c8c) at encoder/encoder.c:529
#4  0x00036470 in config (vf=Cannot access memory at address 0x0
0x0, width=Cannot access memory at address 0x0
656, height=576, d_width=Cannot access memory at address 0x0
-1073746316, d_height=Cannot access memory at address 0x0
576, flags=Cannot access memory at address 0x0
0, outfmt=808596553) at ve_x264.c:202
#5  0x0003a358 in vf_config_wrapper (vf=0x2318130, width=Cannot access memory at address 0x0
0, height=Cannot access memory at address 0x0
4882864, d_width=Cannot access memory at address 0x0
-1073746316, d_height=Cannot access memory at address 0x0
576, flags=Cannot access memory at address 0x0
0, outfmt=Cannot access memory at address 0x0
5454012) at vf.c:627
#6  0x0003a358 in vf_config_wrapper (vf=0x2318210, width=Cannot access memory at address 0x0
0, height=Cannot access memory at address 0x0
4882864, d_width=Cannot access memory at address 0x0
-1073746316, d_height=Cannot access memory at address 0x0
576, flags=Cannot access memory at address 0x0
0, outfmt=Cannot access memory at address 0x0
5454012) at vf.c:627
#7  0x0003a358 in vf_config_wrapper (vf=0x23182b0, width=Cannot access memory at address 0x0
0, height=Cannot access memory at address 0x0
4882864, d_width=Cannot access memory at address 0x0
-1073746316, d_height=Cannot access memory at address 0x0
576, flags=Cannot access memory at address 0x0
0, outfmt=Cannot access memory at address 0x0
5454012) at vf.c:627
#8  0x0003d280 in mpcodecs_config_vo (sh=0x2316730, w=576, h=1024, preferred_outfmt=0) at vd.c:309
#9  0x0003e18c in init_vo (sh=0x2316730, pix_fmt=PIX_FMT_YUV420P) at vd_ffmpeg.c:486
#10 0x0003e360 in get_buffer (avctx=0x2863800, pic=0x28af600) at vd_ffmpeg.c:534
#11 0x00218d74 in alloc_picture (s=0x2863c00, pic=0x28af600, shared=Cannot access memory at address 0x0
4882864) at mpegvideo.c:392
#12 0x0021bb70 in MPV_frame_start (s=0x2863c00, avctx=0x2863800) at mpegvideo.c:1558
#13 0x001d4f58 in mpeg_decode_frame (avctx=0x2863800, data=0x2318420, data_size=0xbffff508, buf=0x253f000 "", buf_size=21248) at mpeg12.c:2461
#14 0x0018f5d4 in avcodec_decode_video (avctx=0x2863800, picture=0x2318420, got_picture_ptr=0xbffff508, buf=0x253f000 "", buf_size=21248) at utils.c:899
#15 0x0003e908 in decode (sh=0x2316730, data=0x253f000, len=21248, flags=Cannot access memory at address 0x0
-1073746316) at vd_ffmpeg.c:720
#16 0x0003c668 in decode_video (sh_video=0x2318350, start=0x2863800 "", in_size=21248, drop_frame=0, pts=-9.2233720368547758e+18) at dec_video.c:357
#17 0x00006e94 in main (argc=42350592, argv=0x253f000) at mencoder.c:1322
(gdb)