Having disabled dvdnav the previous problem appears to have gone away. However here's another seg fault in a different place entirely: ... ASF file format detected. ============ ASF Stream group == START === object size = 38 stream count=[0x2][2] stream id=[0x1][1] max bitrate=[0x89fa][35322] stream id=[0x2][2] max bitrate=[0x47cd4][294100] ============ ASF Stream group == END === ASF: No video stream found. ASF: No audio stream found -> no sound. Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 16384 (LWP 24270)] video_read_properties (sh_video=0x855a600) at video.c:41 41 switch(d_video->demuxer->file_format){ (gdb) bt #0 video_read_properties (sh_video=0x855a600) at video.c:41 #1 0x0809702e in main (argc=2, argv=0xbffffc94) at mplayer.c:1461 (gdb) info locals d_video = (struct {...} *) 0x0 (gdb) p d_video $1 = (struct {...} *) 0x0 (gdb) p sh_video $2 = (struct {...} *) 0x855a600 (gdb) p *sh_video $3 = {ds = 0x0, codec = 0x0, format = 0, inited = 0, timer = 0, num_frames = 0, num_frames_decoded = 0, pts = 0, i_pts = 0, fps = 0, frametime = 0, aspect = 0, i_bps = 0, disp_w = 0, disp_h = 0, outfmtidx = 0, video_out = 0x0, vfilter = 0x0, vf_inited = 0, video = {fccType = 0, fccHandler = 0, dwFlags = 0, wPriority = 0, wLanguage = 0, dwInitialFrames = 0, dwScale = 0, dwRate = 0, dwStart = 0, dwLength = 0, dwSuggestedBufferSize = 0, dwQuality = 0, dwSampleSize = 0, rcFrame = { left = 0, top = 0, right = 0, bottom = 0}}, bih = 0x84f3c58, ImageDesc = 0x0, context = 0x0} (gdb) up #1 0x0809702e in main (argc=2, argv=0xbffffc94) at mplayer.c:1461 1461 if(!video_read_properties(sh_video)) { (gdb) p sh_video $4 = (sh_video_t *) 0x855a600 (gdb) info locals d_audio = (struct {...} *) 0x84f8a60 d_video = (struct {...} *) 0x84f3e80 d_dvdsub = (struct {...} *) 0x84f3ee8 file_format = 0 delay_corrected = 1 eof = 0 osd_function = 1 osd_last_pts = -303 osd_show_av_delay = 0 osd_show_sub_delay = 0 osd_show_sub_pos = 0 osd_show_sub_visibility = 0 osd_show_sub_alignment = 0 osd_show_vobsub_changed = 0 osd_show_sub_changed = 0 osd_show_percentage = 0 osd_show_tv_channel = 25 rtc_fd = 7 i = 139430496 tmp = 0x84f8a60 "" gui_no_filename = 0 -- greg