[dundee] FFMPEG problem creating JPEG thumbs...

[Lee Hughes]

http://www.ibiblio.org/joey/videolinux/category/imagemagick/

this might help.

you need to compile with imagemagick libs I think....

imagemagick does all sorts of cool shit.

and you can quote me on that.

Laters,
Lee


chris wyllie <cgwyllie at googlemail.com> wrote: Hi everyone, happy new year :)

I could do with some help. I'm trying to create a batch processing script to make thumbnails of videos. I want the thumbnails in JPEG format but there's this problem.

christopher at Madeline [~]$ ffmpeg -i hdmothers.mov -an -ss 3 -vframes 1 -s 150x100 ./testout.jpg
FFmpeg version SVN-rUNKNOWN, Copyright (c) 2000-2007 Fabrice Bellard, et al.
  configuration: --prefix=/usr --libdir=${prefix}/lib --shlibdir=${prefix}/lib --incdir=${prefix}/include/ffmpeg --enable-shared --enable-libmp3lame --enable-gpl --enable-libfaad --mandir=${prefix}/share/man --enable-libvorbis --enable-pthreads --enable-libfaac --enable-xvid --enable-libdts --enable-amr_nb --enable-amr_wb --enable-pp --enable-libogg --enable-libgsm --enable-x264 --enable-liba52 --enable-libtheora --extra-cflags=-Wall -g -fPIC -DPIC --cc=ccache cc --enable-swscaler 
  libavutil version: 49.4.0
  libavcodec version: 51.40.2
  libavformat version: 51.11.0
  built on Mar 29 2007 11:08:52, gcc: 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from ' hdmothers.mov':
  Duration: 00:04:19.8, start: 0.000000, bitrate: 539 kb/s
  Stream #0.0(eng): Video: mpeg4, yuv420p, 640x480, 25.00 fps(r)
  Stream #0.1(eng): Audio: aac, 48000 Hz, stereo
Unable for find a suitable output format for './testout.jpg' 


The only thing I'm able to create output in is GIF which is far too low a bit thingymajig to be of any use... Can someone help me get JPEG support working with this?

Thanks
  Chris
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