Convert multipage PDF only renders 1st page

[elmimmo]

I am trying to convert a multipage PDF containing both CMYK & RGB elements to one RGB JPEG per page.

The following command will do so, but the output JPEGs will be CMYK.

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convert input.pdf output%d.jpg

The following will produce RGB JPEGs, but the color conversion will not be accurate (oversaturated colors and yellowish whites)

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convert input.pdf -colorspace RGB -profile sRGB.icc output%d.jpg

This will produce proper color conversion, but only 1 JPEG will be create, the first page.

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convert -colorspace RGB input.pdf -profile sRGB.icc output%d.jpg

Anyone knows why the latter command ignores the rest of the PDF pages? Is there anyway to read PDF, autodetect its colorspace, properly color-convert to sRGB and output to JPEG all its pages?

Using Mac OS 10.6.5 and installed imagemagick using Macports:

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$ convert --version
Version: ImageMagick 6.6.7-1 2011-02-02 Q16 http://www.imagemagick.org
Copyright: Copyright (C) 1999-2011 ImageMagick Studio LLC
Features: OpenMP OpenCL

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$ identify -list configure

Path: /opt/local/lib/ImageMagick-6.6.7/config/configure.xml

Name          Value
-------------------------------------------------------------------------------
CC            /usr/bin/gcc-4.2 -std=gnu99 -std=gnu99
CFLAGS        -D_THREAD_SAFE -D_THREAD_SAFE -pthread -fopenmp -pipe -O2 -arch x86_64 -Wall -D_THREAD_SAFE -pthread
CONFIGURE     ./configure  '--prefix=/opt/local' '--enable-shared' '--enable-static' '--disable-ltdl-install' '--with-frozenpaths' '--without-openexr' '--disable-hdri' '--with-dps' '--with-bzlib' '--with-fontconfig' '--with-gslib' '--with-jpeg' '--with-lcms' '--with-png' '--with-tiff' '--with-zlib' '--with-modules' '--with-xml' '--with-x' '--without-perl' '--without-fpx' '--without-jbig' '--without-jp2' '--without-wmf' '--without-gvc' '--without-rsvg' '--without-lqr' '--with-gs-font-dir=/opt/local/share/fonts/urw-fonts' '--with-quantum-depth=16' 'CC=/usr/bin/gcc-4.2' 'CFLAGS=-pipe -O2 -arch x86_64' 'LDFLAGS=-L/opt/local/lib -arch x86_64' 'CPPFLAGS=-I/opt/local/include' 'CXX=/usr/bin/g++-4.2' 'CXXFLAGS=-pipe -O2 -arch x86_64'
COPYRIGHT     Copyright (C) 1999-2011 ImageMagick Studio LLC
CPPFLAGS      -I/opt/local/include/ImageMagick
CXX           /usr/bin/g++-4.2
CXXFLAGS      -pipe -O2 -arch x86_64 -D_THREAD_SAFE -pthread
DEFS          -DHAVE_CONFIG_H
DELEGATES     bzlib fontconfig freetype gs jpeg jng lcms png tiff x11 xml zlib
DISTCHECK_CONFIG_FLAGS 'CC=/usr/bin/gcc-4.2' 'CFLAGS=-pipe -O2 -arch x86_64' 'CPPFLAGS=-I/opt/local/include' 'CXX=/usr/bin/g++-4.2' 'LDFLAGS=-L/opt/local/lib -arch x86_64' --disable-deprecated --with-quantum-depth=16 --with-umem=no --with-autotrace=no --with-fpx=no --with-fontpath= --with-gs-font-dir=/opt/local/share/fonts/urw-fonts --with-gvc=no --with-jp2=no --with-lqr=no --with-openexr=no --with-rsvg=no --with-wmf=no --with-perl=no
EXEC-PREFIX   /opt/local
FEATURES      OpenMP 
HOST          x86_64-apple-darwin10.5.0
LDFLAGS       -L/opt/local/lib -L/opt/local/lib -arch x86_64 -L/opt/local/lib
LIB_VERSION   0x667
LIB_VERSION_NUMBER 6,6,7,1
LIBS          -lMagickCore -llcms -ltiff -lfreetype -ljpeg -L/opt/local/lib -lfontconfig -lexpat -lfreetype -lz -liconv -lXext -lSM -lICE -lX11 -lXt -lbz2 -lz -lm -lgomp -lclparser -Wl,-framework,OpenCL -L/System/Library/Frameworks/OpenCL.framework/Versions/A/Libraries -lm -lpthread -lltdl
NAME          ImageMagick
PCFLAGS       -fopenmp
PREFIX        /opt/local
QuantumDepth  16
RELEASE_DATE  2011-02-02
VERSION       6.6.7
WEBSITE       http://www.imagemagick.org

Path: [built-in]

Name          Value
-------------------------------------------------------------------------------
NAME          ImageMagick

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$ gs -h
GPL Ghostscript  9.00 (2010-09-14)
Copyright (C) 2010 Artifex Software, Inc.  All rights reserved.
Usage: gs [switches] [file1.ps file2.ps ...]
Most frequently used switches: (you can use # in place of =)
 -dNOPAUSE           no pause after page   | -q       `quiet', fewer messages
 -g<width>x<height>  page size in pixels   | -r<res>  pixels/inch resolution
 -sDEVICE=<devname>  select device         | -dBATCH  exit after last file
 -sOutputFile=<file> select output file: - for stdout, |command for pipe,
                                         embed %d or %ld for page #
Input formats: PostScript PostScriptLevel1 PostScriptLevel2 PostScriptLevel3 PDF
Default output device: x11alpha
Available devices:
   alc1900 alc2000 alc4000 alc4100 alc8500 alc8600 alc9100 ap3250 appledmp
   atx23 atx24 atx38 bbox bit bitcmyk bitrgb bitrgbtags bj10e bj10v bj10vh
   bj200 bjc600 bjc800 bjc880j bjccmyk bjccolor bjcgray bjcmono bmp16 bmp16m
   bmp256 bmp32b bmpgray bmpmono bmpsep1 bmpsep8 ccr cdeskjet cdj1600 cdj500
   cdj550 cdj670 cdj850 cdj880 cdj890 cdj970 cdjcolor cdjmono cdnj500 cfax
   cgm24 cgm8 cgmmono chp2200 cif cljet5 cljet5c cljet5pr coslw2p coslwxl
   cp50 declj250 deskjet devicen dfaxhigh dfaxlow display dj505j djet500
   djet500c dl2100 dnj650c epl2050 epl2050p epl2120 epl2500 epl2750 epl5800
   epl5900 epl6100 epl6200 eplcolor eplmono eps9high eps9mid epson epsonc
   epswrite escp escpage faxg3 faxg32d faxg4 fmlbp fmpr fs600 gdi hl1240
   hl1250 hl7x0 hpdj1120c hpdj310 hpdj320 hpdj340 hpdj400 hpdj500 hpdj500c
   hpdj510 hpdj520 hpdj540 hpdj550c hpdj560c hpdj600 hpdj660c hpdj670c
   hpdj680c hpdj690c hpdj850c hpdj855c hpdj870c hpdj890c hpdjplus
   hpdjportable ibmpro ijs imagen imdi inferno iwhi iwlo iwlq jetp3852 jj100
   jpeg jpegcmyk jpeggray la50 la70 la75 la75plus laserjet lbp310 lbp320
   lbp8 lex2050 lex3200 lex5700 lex7000 lips2p lips3 lips4 lips4v lj250
   lj3100sw lj4dith lj4dithp lj5gray lj5mono ljet2p ljet3 ljet3d ljet4
   ljet4d ljet4pjl ljetplus ln03 lp1800 lp1900 lp2000 lp2200 lp2400 lp2500
   lp2563 lp3000c lp7500 lp7700 lp7900 lp8000 lp8000c lp8100 lp8200c lp8300c
   lp8300f lp8400f lp8500c lp8600 lp8600f lp8700 lp8800c lp8900 lp9000b
   lp9000c lp9100 lp9200b lp9200c lp9300 lp9400 lp9500c lp9600 lp9600s
   lp9800c lps4500 lps6500 lq850 lx5000 lxm3200 lxm5700m m8510 mag16 mag256
   md1xMono md2k md50Eco md50Mono md5k mgr4 mgr8 mgrgray2 mgrgray4 mgrgray8
   mgrmono miff24 mj500c mj6000c mj700v2c mj8000c ml600 necp6 npdl nullpage
   oce9050 oki182 oki4w okiibm oprp opvp paintjet pam pbm pbmraw pcl3 pcx16
   pcx24b pcx256 pcx256 pcx2up pcxcmyk pcxgray pcxmono pdfwrite pdfwrite pgm
   pgmraw pgnm pgnmraw photoex picty180 pj pjetxl pjxl pjxl300 pkm pkmraw
   pksm pksmraw plan9bm png16 png16 png16m png16m png256 png256 png48
   pngalpha pngalpha pnggray pnggray pngmono pngmono pnm pnmraw ppm ppmraw
   pr1000 pr1000_4 pr150 pr201 ps2write psdcmyk psdrgb psgray psmono psrgb
   pswrite pxlcolor pxlmono r4081 rinkj rpdl samsunggdi sgirgb sj48 spotcmyk
   st800 stcolor sunhmono svg t4693d2 t4693d4 t4693d8 tek4696 tiff12nc
   tiff24nc tiff32nc tiff48nc tiff64nc tiffcrle tiffg3 tiffg32d tiffg4
   tiffgray tifflzw tiffpack tiffsep tiffsep1 uniprint wtscmyk wtsimdi x11
   x11alpha x11cmyk x11cmyk2 x11cmyk4 x11cmyk8 x11gray2 x11gray4 x11mono
   x11rg16x x11rg32x xcf xes
Search path:
   /opt/local/share/ghostscript/9.00/Resource/Init :
   /opt/local/share/ghostscript/9.00/lib :
   /opt/local/share/ghostscript/9.00/Resource/Font :
   /opt/local/share/ghostscript/fonts :
   /opt/local/share/fonts/default/ghostscript :
   /opt/local/share/fonts/default/Type1 :
   /opt/local/share/fonts/default/TrueType : /usr/lib/DPS/outline/base :
   /usr/openwin/lib/X11/fonts/Type1 : /usr/openwin/lib/X11/fonts/TrueType
For more information, see /opt/local/share/ghostscript/9.00/doc/Use.htm.
Please report bugs to bugs.ghostscript.com.

[magick]

• convert -colorspace RGB input.pdf -profile sRGB.icc output%d.jpg

This is the proper command and it works for us. Add -verbose right after the convert keyword and post the results.