[MPlayer-users] mencoder bug segmentation fault when encoding 2 pictures to avi

[Justin Piszcz]

Distribution: Debian Etch (32bit)
Package: ii  mencoder   1:1.0-rc1svn20070903-0.0   MPlayer's Movie Encoder

# multimedia repository
deb http://www.debian-multimedia.org/ testing main

Just for the heck of it I ran the same command on an x86_64 box too, same 
problem (See the last item in the e-mail)

$ cat list.txt
000001-040-038.jpg
000001-042-040.jpg

$ mencoder mf://@list.txt -mf w=800:h=600:fps=25:type=jpg     -ovc lavc 
-lavcopts vcodec=mpeg4:mbd=2:trell -oac copy -o output.avi
MEncoder dev-SVN-rUNKNOWN-4.2.1 (C) 2000-2007 MPlayer Team
CPU: Intel(R) Pentium(R) 4 CPU 3.40GHz (Family: 15, Model: 3, Stepping: 4)
CPUflags: Type: 15 MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
Compiled with runtime CPU detection.
success: format: 16  data: 0x0 - 0x0
MF file format detected.
[mf] number of files: 2
VIDEO:  [IJPG]  800x600  24bpp  25.000 fps    0.0 kbps ( 0.0 kbyte/s)
[V] filefmt:16  fourcc:0x47504A49  size:800x600  fps:25.00  ftime:=0.0400
Opening video filter: [expand osd=1]
Expand: -1 x -1, -1 ; -1, osd: 1, aspect: 0.000000, round: 1
==========================================================================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
Selected video codec: [ffmjpeg] vfm: ffmpeg (FFmpeg MJPEG decoder)
==========================================================================
VDec: vo config request - 398 x 670 (preferred colorspace: Planar Y800)
Could not find matching colorspace - retrying with -vf scale...
Opening video filter: [scale]
VDec: using Planar Y800 as output csp (no 8)
Movie-Aspect is 0.59:1 - prescaling to correct movie aspect.
[swscaler @ 0x8819690]SwScaler: using unscaled gray8 -> yuv420p special 
converter
videocodec: libavcodec (398x670 fourcc=34504d46 [FMP4])
[VE_LAVC] High quality encoding selected (non-realtime)!
Segmentation fault (core dumped)

$ file `cat list.txt `
000001-040-038.jpg: JPEG image data, JFIF standard 1.01
000001-042-040.jpg: JPEG image data, JFIF standard 1.01

------

What is wrong with mencoder?

------

When I use pictures taken from a camera, it works fine.

Looks like mplayer cannot handle certain pictures?

$ mencoder mf://@list.txt -mf w=800:h=600:fps=25:type=jpg     -ovc lavc 
-lavcopts vcodec=mpeg4:mbd=2:trell -oac copy -o output.avi
MEncoder dev-SVN-rUNKNOWN-4.2.1 (C) 2000-2007 MPlayer Team
CPU: Intel(R) Pentium(R) 4 CPU 3.40GHz (Family: 15, Model: 3, Stepping: 4)
CPUflags: Type: 15 MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
Compiled with runtime CPU detection.
success: format: 16  data: 0x0 - 0x0
MF file format detected.
[mf] number of files: 2
VIDEO:  [IJPG]  800x600  24bpp  25.000 fps    0.0 kbps ( 0.0 kbyte/s)
[V] filefmt:16  fourcc:0x47504A49  size:800x600  fps:25.00  ftime:=0.0400
Opening video filter: [expand osd=1]
Expand: -1 x -1, -1 ; -1, osd: 1, aspect: 0.000000, round: 1
==========================================================================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
Selected video codec: [ffmjpeg] vfm: ffmpeg (FFmpeg MJPEG decoder)
==========================================================================
VDec: vo config request - 1704 x 2272 (preferred colorspace: Planar YV12)
VDec: using Planar YV12 as output csp (no 3)
Movie-Aspect is 0.75:1 - prescaling to correct movie aspect.
videocodec: libavcodec (1704x2272 fourcc=34504d46 [FMP4])
[VE_LAVC] High quality encoding selected (non-realtime)!
New_Face failed. Maybe the font path is wrong.
Please supply the text font file (~/.mplayer/subfont.ttf).
subtitle font: load_sub_face failed.
Writing header...
ODML: Aspect information not (yet?) available or unspecified, not writing 
vprp header.
Writing header...
ODML: Aspect information not (yet?) available or unspecified, not writing 
vprp header.
Pos:   0.1s      2f (100%)  0.00fps Trem:   0min   0mb  A-V:0.000 [0:0]
Flushing video frames.
Writing index...
Writing header...
ODML: Aspect information not (yet?) available or unspecified, not writing 
vprp header.

Video stream: 53809.300 kbit/s  (6726162 B/s)  size: 538093 bytes  0.080 
secs  2 frames

64 bit test:

$ mencoder mf://@list.txt -mf w=800:h=600:fps=25:type=jpg \
>     -ovc lavc -lavcopts vcodec=mpeg4:mbd=2:trell -oac copy -o output.avi
MEncoder dev-SVN-rUNKNOWN-4.2.1 (C) 2000-2007 MPlayer Team
CPU: Intel(R) Core(TM)2 Quad CPU           @ 2.40GHz (Family: 6, Model: 
15, Step
ping: 7)
CPUflags: Type: 6 MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
Compiled for x86 CPU with extensions: MMX MMX2 SSE SSE2

This codecs.conf is too old and incompatible with this MPlayer release! at 
line
6
success: format: 16  data: 0x0 - 0x0
MF file format detected.
[mf] number of files: 2
VIDEO:  [IJPG]  800x600  24bpp  25.000 fps    0.0 kbps ( 0.0 kbyte/s)
[V] filefmt:16  fourcc:0x47504A49  size:800x600  fps:25.00  ftime:=0.0400
Opening video filter: [expand osd=1]
Expand: -1 x -1, -1 ; -1, osd: 1, aspect: 0.000000, round: 1
==========================================================================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
Selected video codec: [ffmjpeg] vfm: ffmpeg (FFmpeg MJPEG decoder)
==========================================================================
VDec: vo config request - 398 x 670 (preferred colorspace: Planar Y800)
Could not find matching colorspace - retrying with -vf scale...
Opening video filter: [scale]
VDec: using Planar Y800 as output csp (no 8)
Movie-Aspect is 0.59:1 - prescaling to correct movie aspect.
[swscaler @ 0xd87cf0]SwScaler: using unscaled gray8 -> yuv420p special 
converter
videocodec: libavcodec (398x670 fourcc=34504d46 [FMP4])
[VE_LAVC] High quality encoding selected (non-realtime)!
Segmentation fault (core dumped)