[MPlayer-users] trouble converting ppm to mpeg - repost

[Lawrence M./ Lifshitz]

Hi,
   I'm reposting this as I got NO responses from the previous post.
Is mencoder really capable of converting ppm to mpeg? any sequence of
still images to mpeg?
   Thanks.

-------------------------------------------------------------------
Hi,
   I'm totally new to mplayer and mencoder. I'm just trying to use it
to convert a sequence of ppm images (or any other image format which
can easily be gotten from ppm, e.g., jpg) to an mpeg movie with a specified
frame rate.  I've compiled mplayer and mencoder, but when I run mencoder
it doesn't seem to recognize the .ppm format (or a .jpg format).
This surprises me since "ldd mencoder" shows

ldd `which mencoder`
         libvorbis.so.0 => /usr/lib/libvorbis.so.0 (0x40017000)
         libogg.so.0 => /usr/lib/libogg.so.0 (0x40037000)
         libpng12.so.0 => /usr/lib/libpng12.so.0 (0x4003c000)
         libz.so.1 => /usr/lib/libz.so.1 (0x4005f000)
         libjpeg.so.62 => /usr/lib/libjpeg.so.62 (0x4006d000)
         libfreetype.so.6 => /usr/lib/libfreetype.so.6 (0x4008b000)
         libtermcap.so.2 => /lib/libtermcap.so.2 (0x400f3000)
         libnsl.so.1 => /lib/libnsl.so.1 (0x400f7000)
         libungif.so.4 => /usr/lib/libungif.so.4 (0x4010d000)
         libpthread.so.0 => /lib/tls/libpthread.so.0 (0x40115000)
         libdl.so.2 => /lib/libdl.so.2 (0x40123000)
         libm.so.6 => /lib/tls/libm.so.6 (0x40127000)
         libc.so.6 => /lib/tls/libc.so.6 (0x42000000)
         libX11.so.6 => /usr/X11R6/lib/libX11.so.6 (0x40149000)
         /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x40000000)

I've tried various versions of command lines.  All seem to fail.
A typical failure:


mencoder movie?.ppm -v -o movie.mpg -ofps 2 -ovc lavc -lavcopts vcodec=mpeg1video
MEncoder 1.0pre1-3.2.2 (C) 2000-2003 MPlayer Team

CPU: Intel Celeron 2/Pentium III Tualatin (Family: 6, Stepping: 1)
Detected cache-line size is 32 bytes
CPUflags: Type: 6 MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 0
Compiled for x86 CPU with extensions: MMX MMX2 SSE

Reading /home/lml/.mplayer/codecs.conf: Can't open '/home/lml/.mplayer/codecs.conf': No such file or 
directory
Reading /usr/local/etc/mplayer/codecs.conf: Can't open '/usr/local/etc/mplayer/codecs.conf': No such 
file or directory
Using built-in default codecs.conf
File not found: 'frameno.avi'
Failed to open frameno.avi
Reading config file /home/lml/.mplayer/mencoder: No such file or directory
init_freetype
Using MMX (with tiny bit MMX2) Optimized OnScreenDisplay
[file] File size is 1470017 bytes
STREAM: [file] movie0.ppm
STREAM: Description: File
STREAM: Author: Albeu
STREAM: Comment: based on the code from ??? (probably Arpi)
success: format: 0  data: 0x0 - 0x166E41
Checking for YUV4MPEG2
DEMUXER: freeing demuxer at 0x84e0b88
ASF_check: not ASF guid!
DEMUXER: freeing demuxer at 0x84e0b88
Checking for NuppelVideo
DEMUXER: freeing demuxer at 0x84e0b88
Checking for REAL
DEMUXER: freeing demuxer at 0x84e0b88
Checking for SMJPEG
DEMUXER: freeing demuxer at 0x84e0b88
DEMUXER: freeing demuxer at 0x84e13f0
Searching demuxer type for filename movie0.ppm ext: .ppm
Checking for MOV
DEMUXER: freeing demuxer at 0x84e13f0
Checking for VIVO
header block 1 size: 54
DEMUXER: freeing demuxer at 0x84e13f0
DEMUXER: freeing demuxer at 0x84e13f0
DEMUXER: freeing demuxer at 0x84e13f0
DEMUXER: freeing demuxer at 0x84e13f0
DEMUXER: freeing demuxer at 0x84e13f0
DEMUXER: freeing demuxer at 0x84e13f0
DEMUXER: freeing demuxer at 0x84e13f0
Checking for PVA
DEMUXER: freeing demuxer at 0x84e13f0
Checking for MPEG-TS...
THIS DOESN'T LOOK LIKE AN MPEG-TS FILE!
TRIED UP TO POSITION 0, FOUND 0, packet_size= 254
DEMUXER: freeing demuxer at 0x84e13f0
MPEG Stream reached EOF
ds_fill_buffer: EOF reached (stream: video)
MPEG packet stats: p100: 0  p101: 0 p1B6: 0 p12x: 0 sli: 0 a: 0 b: 0 c: 0 idr: 0 sps: 0 pps: 0 PES: 
0  MP3: 0
Not MPEG System Stream format... (maybe Transport Stream?)
DEMUXER: freeing demuxer at 0x84e13f0
==> Found audio stream: 0
DEMUXER: freeing demuxer at 0x84e13f0
DEMUXER: freeing sh_audio at 0x84e3de8
==> Found video stream: 0
ds_fill_buffer: EOF reached (stream: video)
DEMUXER: freeing demuxer at 0x84e13f0
DEMUXER: freeing sh_video at 0x84e7e20
============ Sorry, this file format is not recognized/supported =============
=== If this file is an AVI, ASF or MPEG stream, please contact the author! ===
Cannot open demuxer.
Exiting...



I've also tried:
mencoder movie0.jpg movie1.jpg movie2.jpg -v -o movie.mpg -ofps 2 -ovc lavc -lavcopts vcodec=mpeg1video

mencoder -mf fps=2:type=jpeg -ofps 2 -ovc lavc -lavcopts vcodec=mpeg1video -of mpeg -v -o movie.mpg 
*.jpg

They fail too.
What am I not understanding??

         Larry

BTW, I couldn't find any easy way to search the mail archives for this topic
(all I could see was to access each month's archive separately and then scan through
threads).  Is there a way to do this?




-- 
Lawrence M. Lifshitz, Ph. D., Associate Professor
Biomedical Imaging Group (http://invitro.umassmed.edu)
University of Massachusetts Medical School (http://www.umassmed.edu)
Phone: (508) 856-3392   email: Lawrence.Lifshitz at umassmed.edu
Fax:   (508) 856-1840     web: http://invitro.umassmed.edu/~lml