[root@localhost panoramas]# mplayer -vo pnm -ss 00:01 1177495251.mov
MPlayer 1.0rc1-3.4.5 (C) 2000-2006 MPlayer Team
CPU: Intel(R) Pentium(R) 4 CPU 3.00GHz (Family: 15, Model: 4, Stepping: 3)
CPUflags:  MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
Compiled for x86 CPU with extensions: MMX MMX2 SSE SSE2

Playing 1177495251.mov.
MOV: missing data (mdat) chunk! Maybe broken file...
MOV: missing data (mdat) chunk! Maybe broken file...
libavformat file format detected.
VIDEO:  [jpeg]  119x1127  24bpp  12.000 fps    0.0 kbps ( 0.0 kbyte/s)
pnm: Parsing suboptions.
pnm: Raw mode enabled.
pnm: Will write PPM files.
pnm: Suboptions parsed OK.
==========================================================================
Opening video decoder: [ffmpeg] FFmpegs libavcodec codec family
Selected video codec: [ffmjpeg] vfm: ffmpeg (FFmpeg MJPEG decoder)
==========================================================================
Audio: no sound
Starting playback...
VDec: vo config request - 119 x 1127 (preferred colorspace: Planar YV12)
Could not find matching colorspace - retrying with -vf scale...
Opening video filter: [scale]
VDec: using Planar YV12 as output csp (no 3)
Movie-Aspect is 0.11:1 - prescaling to correct movie aspect.
SwScaler: using unscaled yuv420p -> rgb24 special converter
VO: [pnm] 119x1127 => 120x1127 RGB 24-bit
V:   1.9  13/ 13  1%  2%  0.0% 0 0

Exiting... (End of file)
[root@localhost panoramas]# convert 00000001.ppm test.gif