Delege failed for Centos7 yum install

[jdmoore]

Hello,

When trying to convert images into mpeg, I get "convert: delegate failed" error.

I am using latest version of Centos7 with all patches installed. Here is the error I get

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convert: delegate failed `"ffmpeg" -v -1 -mbd rd -trellis 2 -cmp 2 -subcmp 2 -g 300 -i "%F%%d.jpg" "%u.%m" 2> "%Z"' @ error/delegate.c/InvokeDelegate/1065.

Also, I am trying to convert *ppm files, but this appears to show it is trying to convert *jpg?

Both ffmpeg and ImageMagick have been installed using yum. I've also reinstalled these packages but the error persists. In previous releases, although don't recall when, I've been able to do this.

CentOS release:

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CentOS Linux release 7.6.1810 (Core)

ImageMagick version

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Version: ImageMagick 6.7.8-9 2019-02-01 Q16 http://www.imagemagick.org
Copyright: Copyright (C) 1999-2012 ImageMagick Studio LLC
Features: OpenMP   

ffmpeg version

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ffmpeg version 2.8.15 Copyright (c) 2000-2018 the FFmpeg developers
  built with gcc 4.8.5 (GCC) 20150623 (Red Hat 4.8.5-36)
  configuration: --prefix=/usr --bindir=/usr/bin --datadir=/usr/share/ffmpeg --incdir=/usr/include/ffmpeg --libdir=/usr/lib64 --mandir=/usr/share/man --arch=x86_64 --optflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic' --extra-ldflags='-Wl,-z,relro ' --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libvo-amrwbenc --enable-version3 --enable-bzlib --disable-crystalhd --enable-gnutls --enable-ladspa --enable-libass --enable-libcdio --enable-libdc1394 --enable-libfdk-aac --enable-nonfree --disable-indev=jack --enable-libfreetype --enable-libgsm --enable-libmp3lame --enable-openal --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libv4l2 --enable-libx264 --enable-libx265 --enable-libxvid --enable-x11grab --enable-avfilter --enable-avresample --enable-postproc --enable-pthreads --disable-static --enable-shared --enable-gpl --disable-debug --disable-stripping --shlibdir=/usr/lib64 --enable-runtime-cpudetect
  libavutil      54. 31.100 / 54. 31.100
  libavcodec     56. 60.100 / 56. 60.100
  libavformat    56. 40.101 / 56. 40.101
  libavdevice    56.  4.100 / 56.  4.100
  libavfilter     5. 40.101 /  5. 40.101
  libavresample   2.  1.  0 /  2.  1.  0
  libswscale      3.  1.101 /  3.  1.101
  libswresample   1.  2.101 /  1.  2.101
  libpostproc    53.  3.100 / 53.  3.100

I have the following packages installed from yum:

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Installed Packages
ImageMagick.x86_64                                                                                                      6.7.8.9-16.el7_6                                                                                             @updates
ImageMagick-c++.x86_64                                                                                                  6.7.8.9-16.el7_6                                                                                             @updates
ImageMagick-c++-devel.x86_64                                                                                            6.7.8.9-16.el7_6                                                                                             @updates
ImageMagick-devel.x86_64                                                                                                6.7.8.9-16.el7_6                                                                                             @updates
ImageMagick-doc.x86_64                                                                                                  6.7.8.9-16.el7_6                                                                                             @updates
ImageMagick-perl.x86_64                                                                                                 6.7.8.9-16.el7_6                                                                                             @updates
Available Packages
ImageMagick.i686                                                                                                        6.7.8.9-16.el7_6                                                                                             updates 
ImageMagick-c++.i686                                                                                                    6.7.8.9-16.el7_6                                                                                             updates 
ImageMagick-c++-devel.i686                                                                                              6.7.8.9-16.el7_6                                                                                             updates 
ImageMagick-devel.i686                                                                                                  6.7.8.9-16.el7_6                                                                                             updates 
Installed Packages
ImageMagick.x86_64                                                                                                      6.7.8.9-16.el7_6                                                                                             @updates
ImageMagick-c++.x86_64                                                                                                  6.7.8.9-16.el7_6                                                                                             @updates
ImageMagick-c++-devel.x86_64                                                                                            6.7.8.9-16.el7_6                                                                                             @updates
ImageMagick-devel.x86_64                                                                                                6.7.8.9-16.el7_6                                                                                             @updates
ImageMagick-doc.x86_64                                                                                                  6.7.8.9-16.el7_6                                                                                             @updates
ImageMagick-perl.x86_64                                                                                                 6.7.8.9-16.el7_6                                                                                             @updates
Available Packages
ImageMagick.i686                                                                                                        6.7.8.9-16.el7_6                                                                                             updates 
ImageMagick-c++.i686                                                                                                    6.7.8.9-16.el7_6                                                                                             updates 
ImageMagick-c++-devel.i686                                                                                              6.7.8.9-16.el7_6                                                                                             updates 
ImageMagick-devel.i686                                                                                                  6.7.8.9-16.el7_6                                                                                             updates

[fmw42]

Your install has no delegates. Your configure file may be pointing to the wrong location for where you have installed your delegates. Sorry, I am not an expert on Linux installs.

[snibgo]

What was your IM command?

Does the ffmpeg command work by itself?

Also, I am trying to convert *ppm files, but this appears to show it is trying to convert *jpg?

As far as I know, ffmpeg can't read PPM files. So IM first converts to a format that ffmpeg can read.