Segfault and stack trace using "-lavdopts fast"

mplayer.dbgtrc (text/plain), 3.75 KB, created by Robert Bradbury on 2008-04-20 12:46:42 UTC

Args:   -demuxer mpegps -ao alsa -lircconf ~/TV/lircrc -lavdopts fast /dev/v4l/video0
GNU gdb 6.8
Copyright (C) 2008 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "i686-pc-linux-gnu"...
(gdb) run -demuxer mpegps -ao alsa -lircconf ~/TV/lircrc -lavdopts fast /dev/v4l/video0
Starting program: /usr/bin/mplayer -demuxer mpegps -ao alsa -lircconf ~/TV/lircrc -lavdopts fast /dev/v4l/video0
[Thread debugging using libthread_db enabled]
MPlayer dev-SVN-r26456-4.2.3 (C) 2000-2008 MPlayer Team
CPU: Intel(R) Pentium(R) 4 CPU 2.80GHz (Family: 15, Model: 3, Stepping: 4)
CPUflags:  MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
Compiled for x86 CPU with extensions: MMX MMX2 SSE SSE2
mplayer: could not connect to socket
mplayer: Connection refused
Failed to open LIRC support. You will not be able to use your remote control.

Playing /dev/v4l/video0.
MPEG-PS file format detected.
VIDEO:  MPEG2  640x480  (aspect 2)  29.970 fps  8000.0 kbps (1000.0 kbyte/s)
==========================================================================
Opening video decoder: [mpegpes] MPEG 1/2 Video passthrough
VDec: vo config request - 640 x 480 (preferred colorspace: Mpeg PES)
Could not find matching colorspace - retrying with -vf scale...
Opening video filter: [scale]
The selected video_out device is incompatible with this codec.
Try appending the scale filter to your filter list,
e.g. -vf spp,scale instead of -vf spp.
VDecoder init failed :(
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
Selected video codec: [ffmpeg2] vfm: ffmpeg (FFmpeg MPEG-2)
==========================================================================
==========================================================================
Opening audio decoder: [mp3lib] MPEG layer-2, layer-3
AUDIO: 48000 Hz, 2 ch, s16le, 224.0 kbit/14.58% (ratio: 28000->192000)
Selected audio codec: [mp3] afm: mp3lib (mp3lib MPEG layer-2, layer-3)
==========================================================================
[New Thread 0xb6bc96d0 (LWP 16305)]
AO: [alsa] 48000Hz 2ch s16le (2 bytes per sample)
Starting playback...
VDec: vo config request - 640 x 480 (preferred colorspace: Planar YV12)
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is 1.33:1 - prescaling to correct movie aspect.
VO: [xv] 640x480 => 640x480 Planar YV12 

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0xb6bc96d0 (LWP 16305)]
0x083e4e9a in mpeg_decode_mb (s=0x8853430, block=<value optimized out>) at mpeg12.c:1162
1162	                level= (level*qscale*quant_matrix[j])>>4;
(gdb) bt
#0  0x083e4e9a in mpeg_decode_mb (s=0x8853430, block=<value optimized out>)
    at mpeg12.c:1162
#1  0x083e7046 in mpeg_decode_slice (s1=0x8853430, mb_y=0, buf=0xbf984304, buf_size=1873)
    at mpeg12.c:1748
#2  0x083e841c in decode_chunks (avctx=0x88530c0, picture=0x8852fe0, 
    data_size=0xbf984414, buf=0xb6ac8008 "", buf_size=1988) at mpeg12.c:2409
#3  0x083e8f69 in mpeg_decode_frame (avctx=0x88530c0, data=0x8852fe0, 
    data_size=0xbf984414, buf=0xb6ac8008 "", buf_size=1988) at mpeg12.c:2289
#4  0x082600d8 in avcodec_decode_video (avctx=0x88530c0, picture=0x8852fe0, 
    got_picture_ptr=0xbf984414, buf=0xb6ac8008 "", buf_size=1988) at utils.c:945
#5  0x081652b7 in decode (sh=0x8846a30, data=0xb6ac8008, len=1988, 
    flags=<value optimized out>) at vd_ffmpeg.c:776
#6  0x0812c190 in decode_video (sh_video=0x8846a30, start=0xb6ac8008 "", in_size=1988, 
    drop_frame=0, pts=0.033366665244102478) at dec_video.c:369
#7  0x0808c74b in main (argc=10, argv=0xbf9866f4) at mplayer.c:2289
(gdb)