[dundee] FFMPEG problem creating JPEG thumbs...

[chris wyllie]

Thanks. I took a look but it didn't help explain how to get FFMPEG to
acknowledge the imagemagick libs. I have both FFMPEG and imagemagick
installed at the moment but still can't make JPEGs...

Any further wisdom?

Thanks :)

On 16/01/2008, Lee Hughes <toxicnaan at yahoo.co.uk> wrote:
>
> 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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