Does it work under a new user by any chance? (Just ruling out any user specific configuration or cache issues).

No, it does not work under a another, freshly created user.

Can you please confirm that Amarok (or it's appropriate transcoding plugins) link against the same ffmpeg library that the ffmpeg binary itself uses?

I guess so:

Code: Select all

root@horus /home/florian # ldd /usr/bin/ffmpeg | grep mp3
        libmp3lame.so.0 => /usr/lib/libmp3lame.so.0 (0x00007f7e11712000)
root@horus /home/florian # ldd /usr/bin/amarok | grep mp3
        libmp3lame.so.0 => /usr/lib/libmp3lame.so.0 (0x00007f3e3bb11000)


Full output:

Code: Select all

root@horus /home/florian # ldd /usr/bin/ffmpeg
        linux-vdso.so.1 (0x00007fff0e9ff000)
        libavdevice.so.54 => /usr/lib/libavdevice.so.54 (0x00007fee3a1e2000)
        libavfilter.so.3 => /usr/lib/libavfilter.so.3 (0x00007fee39f2d000)
        libavformat.so.54 => /usr/lib/libavformat.so.54 (0x00007fee39bea000)
        libavcodec.so.54 => /usr/lib/libavcodec.so.54 (0x00007fee38c88000)
        libpostproc.so.52 => /usr/lib/libpostproc.so.52 (0x00007fee38a60000)
        libswresample.so.0 => /usr/lib/libswresample.so.0 (0x00007fee3884c000)
        libswscale.so.2 => /usr/lib/libswscale.so.2 (0x00007fee385fe000)
        libavutil.so.51 => /usr/lib/libavutil.so.51 (0x00007fee383d0000)
        libpthread.so.0 => /usr/lib/libpthread.so.0 (0x00007fee381b4000)
        libm.so.6 => /usr/lib/libm.so.6 (0x00007fee37eb9000)
        libc.so.6 => /usr/lib/libc.so.6 (0x00007fee37b12000)
        libXfixes.so.3 => /usr/lib/libXfixes.so.3 (0x00007fee3790b000)
        libXext.so.6 => /usr/lib/libXext.so.6 (0x00007fee376f8000)
        libX11.so.6 => /usr/lib/libX11.so.6 (0x00007fee373bf000)
        libasound.so.2 => /usr/lib/libasound.so.2 (0x00007fee370ce000)
        libSDL-1.2.so.0 => /usr/lib/libSDL-1.2.so.0 (0x00007fee36e36000)
        libv4l2.so.0 => /usr/lib/libv4l2.so.0 (0x00007fee36c2a000)
        libpulse-simple.so.0 => /usr/lib/libpulse-simple.so.0 (0x00007fee36a26000)
        libpulse.so.0 => /usr/lib/libpulse.so.0 (0x00007fee367dc000)
        librt.so.1 => /usr/lib/librt.so.1 (0x00007fee365d4000)
        librtmp.so.0 => /usr/lib/librtmp.so.0 (0x00007fee363bb000)
        libz.so.1 => /usr/lib/libz.so.1 (0x00007fee361a5000)
        libbz2.so.1.0 => /usr/lib/libbz2.so.1.0 (0x00007fee35f95000)
        libva.so.1 => /usr/lib/libva.so.1 (0x00007fee35d7e000)
        libxvidcore.so.4 => /usr/lib/libxvidcore.so.4 (0x00007fee35a66000)
        libx264.so.124 => /usr/lib/libx264.so.124 (0x00007fee35718000)
        libvpx.so.1 => /usr/lib/libvpx.so.1 (0x00007fee35478000)
        libvorbisenc.so.2 => /usr/lib/libvorbisenc.so.2 (0x00007fee34fa9000)
        libvorbis.so.0 => /usr/lib/libvorbis.so.0 (0x00007fee34d7c000)
        libtheoraenc.so.1 => /usr/lib/libtheoraenc.so.1 (0x00007fee34b3f000)
        libtheoradec.so.1 => /usr/lib/libtheoradec.so.1 (0x00007fee34924000)
        libspeex.so.1 => /usr/lib/libspeex.so.1 (0x00007fee3470b000)
        libschroedinger-1.0.so.0 => /usr/lib/libschroedinger-1.0.so.0 (0x00007fee34440000)
        libopenjpeg.so.1 => /usr/lib/libopenjpeg.so.1 (0x00007fee34218000)
        libopencore-amrwb.so.0 => /usr/lib/libopencore-amrwb.so.0 (0x00007fee34004000)
        libopencore-amrnb.so.0 => /usr/lib/libopencore-amrnb.so.0 (0x00007fee33dda000)
        libmp3lame.so.0 => /usr/lib/libmp3lame.so.0 (0x00007fee33b63000)
        libgsm.so.1 => /usr/lib/libgsm.so.1 (0x00007fee33958000)
        /lib/ld-linux-x86-64.so.2 (0x00007fee3a3f2000)
        libxcb.so.1 => /usr/lib/libxcb.so.1 (0x00007fee33739000)
        libdl.so.2 => /usr/lib/libdl.so.2 (0x00007fee33535000)
        libv4lconvert.so.0 => /usr/lib/libv4lconvert.so.0 (0x00007fee332bd000)
        libpulsecommon-2.1.so => /usr/lib/pulseaudio/libpulsecommon-2.1.so (0x00007fee3305b000)
        libjson.so.0 => /usr/lib/libjson.so.0 (0x00007fee32e53000)
        libdbus-1.so.3 => /usr/lib/libdbus-1.so.3 (0x00007fee32c0d000)
        libssl.so.1.0.0 => /usr/lib/libssl.so.1.0.0 (0x00007fee329a3000)
        libcrypto.so.1.0.0 => /usr/lib/libcrypto.so.1.0.0 (0x00007fee3259a000)
        libogg.so.0 => /usr/lib/libogg.so.0 (0x00007fee32394000)
        liborc-0.4.so.0 => /usr/lib/liborc-0.4.so.0 (0x00007fee32119000)
        libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0x00007fee31e16000)
        libgcc_s.so.1 => /usr/lib/libgcc_s.so.1 (0x00007fee31c01000)
        libXau.so.6 => /usr/lib/libXau.so.6 (0x00007fee319fd000)
        libXdmcp.so.6 => /usr/lib/libXdmcp.so.6 (0x00007fee317f7000)
        libjpeg.so.8 => /usr/lib/libjpeg.so.8 (0x00007fee315a6000)
        libsndfile.so.1 => /usr/lib/libsndfile.so.1 (0x00007fee31340000)
        libasyncns.so.0 => /usr/lib/libasyncns.so.0 (0x00007fee3113a000)
        libFLAC.so.8 => /usr/lib/libFLAC.so.8 (0x00007fee30eef000)
        libnsl.so.1 => /usr/lib/libnsl.so.1 (0x00007fee30cd7000)
        libresolv.so.2 => /usr/lib/libresolv.so.2 (0x00007fee30ac0000)
root@horus /home/florian # ldd /usr/bin/amarok
        linux-vdso.so.1 (0x00007fff211ff000)
        libkdeui.so.5 => /usr/lib/libkdeui.so.5 (0x00007faad37ff000)
        libamarokcore.so.1 => /usr/lib/libamarokcore.so.1 (0x00007faad3578000)
        libamaroklib.so.1 => /usr/lib/libamaroklib.so.1 (0x00007faad2ab4000)
        libX11.so.6 => /usr/lib/libX11.so.6 (0x00007faad277b000)
        libQtGui.so.4 => /usr/lib/libQtGui.so.4 (0x00007faad1ad9000)
        libkdecore.so.5 => /usr/lib/libkdecore.so.5 (0x00007faad160d000)
        libQtCore.so.4 => /usr/lib/libQtCore.so.4 (0x00007faad113c000)
        libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0x00007faad0e39000)
        libgcc_s.so.1 => /usr/lib/libgcc_s.so.1 (0x00007faad0c24000)
        libc.so.6 => /usr/lib/libc.so.6 (0x00007faad087d000)
        libSM.so.6 => /usr/lib/libSM.so.6 (0x00007faad0675000)
        libICE.so.6 => /usr/lib/libICE.so.6 (0x00007faad0459000)
        libQtXml.so.4 => /usr/lib/libQtXml.so.4 (0x00007faad0217000)
        libattica.so.0.4 => /usr/lib/libattica.so.0.4 (0x00007faacff48000)
        libQtNetwork.so.4 => /usr/lib/libQtNetwork.so.4 (0x00007faacfc10000)
        libQtSvg.so.4 => /usr/lib/libQtSvg.so.4 (0x00007faacf9ba000)
        libdbusmenu-qt.so.2 => /usr/lib/libdbusmenu-qt.so.2 (0x00007faacf781000)
        libXtst.so.6 => /usr/lib/libXtst.so.6 (0x00007faacf57a000)
        libXcursor.so.1 => /usr/lib/libXcursor.so.1 (0x00007faacf36f000)
        libXfixes.so.3 => /usr/lib/libXfixes.so.3 (0x00007faacf168000)
        libXrender.so.1 => /usr/lib/libXrender.so.1 (0x00007faacef5d000)
        libQtDBus.so.4 => /usr/lib/libQtDBus.so.4 (0x00007faacece2000)
        libpthread.so.0 => /usr/lib/libpthread.so.0 (0x00007faaceac6000)
        libm.so.6 => /usr/lib/libm.so.6 (0x00007faace7cc000)
        libkio.so.5 => /usr/lib/libkio.so.5 (0x00007faace322000)
        libsolid.so.4 => /usr/lib/libsolid.so.4 (0x00007faace034000)
        libthreadweaver.so.4 => /usr/lib/libthreadweaver.so.4 (0x00007faacde1d000)
        libkfile.so.4 => /usr/lib/libkfile.so.4 (0x00007faacdb74000)
        libknewstuff3.so.4 => /usr/lib/libknewstuff3.so.4 (0x00007faacd901000)
        libphonon.so.4 => /usr/lib/libphonon.so.4 (0x00007faacd698000)
        libplasma.so.3 => /usr/lib/libplasma.so.3 (0x00007faacd172000)
        libQtScript.so.4 => /usr/lib/libQtScript.so.4 (0x00007faacccd1000)
        libQtSql.so.4 => /usr/lib/libQtSql.so.4 (0x00007faacca92000)
        liblastfm.so.0 => /usr/lib/liblastfm.so.0 (0x00007faacc84a000)
        libofa.so.0 => /usr/lib/libofa.so.0 (0x00007faacc634000)
        libavformat.so.54 => /usr/lib/libavformat.so.54 (0x00007faacc2f1000)
        libavcodec.so.54 => /usr/lib/libavcodec.so.54 (0x00007faacb38f000)
        libavutil.so.51 => /usr/lib/libavutil.so.51 (0x00007faacb161000)
        libamarokpud.so.1 => /usr/lib/libamarokpud.so.1 (0x00007faacaf48000)
        libamarokocsclient.so.4 => /usr/lib/libamarokocsclient.so.4 (0x00007faacad17000)
        libamarok-transcoding.so.1 => /usr/lib/libamarok-transcoding.so.1 (0x00007faacab01000)
        libtag.so.1 => /usr/lib/libtag.so.1 (0x00007faaca817000)
        libtag-extras.so.1 => /usr/lib/libtag-extras.so.1 (0x00007faaca608000)
        libkcmutils.so.4 => /usr/lib/libkcmutils.so.4 (0x00007faaca3c8000)
        libxcb.so.1 => /usr/lib/libxcb.so.1 (0x00007faaca1a9000)
        libdl.so.2 => /usr/lib/libdl.so.2 (0x00007faac9fa5000)
        libglib-2.0.so.0 => /usr/lib/libglib-2.0.so.0 (0x00007faac9caf000)
        libpng15.so.15 => /usr/lib/libpng15.so.15 (0x00007faac9a82000)
        libz.so.1 => /usr/lib/libz.so.1 (0x00007faac986c000)
        libfreetype.so.6 => /usr/lib/libfreetype.so.6 (0x00007faac95ce000)
        libgobject-2.0.so.0 => /usr/lib/libgobject-2.0.so.0 (0x00007faac9380000)
        libfontconfig.so.1 => /usr/lib/libfontconfig.so.1 (0x00007faac9146000)
        libXext.so.6 => /usr/lib/libXext.so.6 (0x00007faac8f33000)
        libbz2.so.1.0 => /usr/lib/libbz2.so.1.0 (0x00007faac8d23000)
        liblzma.so.5 => /usr/lib/liblzma.so.5 (0x00007faac8b00000)
        librt.so.1 => /usr/lib/librt.so.1 (0x00007faac88f8000)
        /lib/ld-linux-x86-64.so.2 (0x00007faad3e68000)
        libuuid.so.1 => /usr/lib/libuuid.so.1 (0x00007faac86f3000)
        libssl.so.1.0.0 => /usr/lib/libssl.so.1.0.0 (0x00007faac8489000)
        libcrypto.so.1.0.0 => /usr/lib/libcrypto.so.1.0.0 (0x00007faac8080000)
        libXi.so.6 => /usr/lib/libXi.so.6 (0x00007faac7e71000)
        libdbus-1.so.3 => /usr/lib/libdbus-1.so.3 (0x00007faac7c2b000)
        libnepomuk.so.4 => /usr/lib/libnepomuk.so.4 (0x00007faac7956000)
        libstreamanalyzer.so.0 => /usr/lib/libstreamanalyzer.so.0 (0x00007faac76d3000)
        libacl.so.1 => /usr/lib/libacl.so.1 (0x00007faac74ca000)
        libattr.so.1 => /usr/lib/libattr.so.1 (0x00007faac72c5000)
        libudev.so.1 => /usr/lib/libudev.so.1 (0x00007faac70b4000)
        libpulse.so.0 => /usr/lib/libpulse.so.0 (0x00007faac6e6a000)
        libpulse-mainloop-glib.so.0 => /usr/lib/libpulse-mainloop-glib.so.0 (0x00007faac6c65000)
        libqzeitgeist.so.1 => /usr/lib/libqzeitgeist.so.1 (0x00007faac6a40000)
        libQtWebKit.so.4 => /usr/lib/libQtWebKit.so.4 (0x00007faac4c5a000)
        libQtDeclarative.so.4 => /usr/lib/libQtDeclarative.so.4 (0x00007faac46b6000)
        libkdnssd.so.4 => /usr/lib/libkdnssd.so.4 (0x00007faac448b000)
        libkdewebkit.so.5 => /usr/lib/libkdewebkit.so.5 (0x00007faac4268000)
        libqca.so.2 => /usr/lib/libqca.so.2 (0x00007faac3f55000)
        libQtOpenGL.so.4 => /usr/lib/libQtOpenGL.so.4 (0x00007faac3c57000)
        libfftw3.so.3 => /usr/lib/libfftw3.so.3 (0x00007faac38db000)
        librtmp.so.0 => /usr/lib/librtmp.so.0 (0x00007faac36c2000)
        libva.so.1 => /usr/lib/libva.so.1 (0x00007faac34ab000)
        libxvidcore.so.4 => /usr/lib/libxvidcore.so.4 (0x00007faac3193000)
        libx264.so.124 => /usr/lib/libx264.so.124 (0x00007faac2e45000)
        libvpx.so.1 => /usr/lib/libvpx.so.1 (0x00007faac2ba5000)
        libvorbisenc.so.2 => /usr/lib/libvorbisenc.so.2 (0x00007faac26d6000)
        libvorbis.so.0 => /usr/lib/libvorbis.so.0 (0x00007faac24a9000)
        libtheoraenc.so.1 => /usr/lib/libtheoraenc.so.1 (0x00007faac226c000)
        libtheoradec.so.1 => /usr/lib/libtheoradec.so.1 (0x00007faac2051000)
        libspeex.so.1 => /usr/lib/libspeex.so.1 (0x00007faac1e38000)
        libschroedinger-1.0.so.0 => /usr/lib/libschroedinger-1.0.so.0 (0x00007faac1b6d000)
        libopenjpeg.so.1 => /usr/lib/libopenjpeg.so.1 (0x00007faac1945000)
        libopencore-amrwb.so.0 => /usr/lib/libopencore-amrwb.so.0 (0x00007faac1731000)
        libopencore-amrnb.so.0 => /usr/lib/libopencore-amrnb.so.0 (0x00007faac1507000)
        libmp3lame.so.0 => /usr/lib/libmp3lame.so.0 (0x00007faac1290000)
        libgsm.so.1 => /usr/lib/libgsm.so.1 (0x00007faac1085000)
        libXau.so.6 => /usr/lib/libXau.so.6 (0x00007faac0e81000)
        libXdmcp.so.6 => /usr/lib/libXdmcp.so.6 (0x00007faac0c7b000)
        libpcre.so.1 => /usr/lib/libpcre.so.1 (0x00007faac0a1d000)
        libgthread-2.0.so.0 => /usr/lib/libgthread-2.0.so.0 (0x00007faac081b000)
        libffi.so.6 => /usr/lib/libffi.so.6 (0x00007faac0613000)
        libexpat.so.1 => /usr/lib/libexpat.so.1 (0x00007faac03e9000)
        libsoprano.so.4 => /usr/lib/libsoprano.so.4 (0x00007faac00eb000)
        libsopranoclient.so.1 => /usr/lib/libsopranoclient.so.1 (0x00007faabfe8e000)
        libstreams.so.0 => /usr/lib/libstreams.so.0 (0x00007faabfc54000)
        libxml2.so.2 => /usr/lib/libxml2.so.2 (0x00007faabf8f8000)
        libjson.so.0 => /usr/lib/libjson.so.0 (0x00007faabf6f0000)
        libpulsecommon-2.1.so => /usr/lib/pulseaudio/libpulsecommon-2.1.so (0x00007faabf48e000)
        libsqlite3.so.0 => /usr/lib/libsqlite3.so.0 (0x00007faabf1e3000)
        libgstapp-0.10.so.0 => /usr/lib/libgstapp-0.10.so.0 (0x00007faabefd7000)
        libgstinterfaces-0.10.so.0 => /usr/lib/libgstinterfaces-0.10.so.0 (0x00007faabedc5000)
        libgstpbutils-0.10.so.0 => /usr/lib/libgstpbutils-0.10.so.0 (0x00007faabeba1000)
        libgstvideo-0.10.so.0 => /usr/lib/libgstvideo-0.10.so.0 (0x00007faabe985000)
        libgstbase-0.10.so.0 => /usr/lib/libgstbase-0.10.so.0 (0x00007faabe731000)
        libgstreamer-0.10.so.0 => /usr/lib/libgstreamer-0.10.so.0 (0x00007faabe448000)
        libQtXmlPatterns.so.4 => /usr/lib/libQtXmlPatterns.so.4 (0x00007faabde02000)
        libkparts.so.4 => /usr/lib/libkparts.so.4 (0x00007faabdbac000)
        libGL.so.1 => /usr/lib/libGL.so.1 (0x00007faabd9a4000)
        libogg.so.0 => /usr/lib/libogg.so.0 (0x00007faabd79d000)
        liborc-0.4.so.0 => /usr/lib/liborc-0.4.so.0 (0x00007faabd522000)
        libsndfile.so.1 => /usr/lib/libsndfile.so.1 (0x00007faabd2bc000)
        libasyncns.so.0 => /usr/lib/libasyncns.so.0 (0x00007faabd0b6000)
        libgmodule-2.0.so.0 => /usr/lib/libgmodule-2.0.so.0 (0x00007faabceb2000)
        libnepomukutils.so.4 => /usr/lib/libnepomukutils.so.4 (0x00007faabcc76000)
        libatiuki.so.1 => /usr/lib/libatiuki.so.1 (0x00007faad3f21000)
        libFLAC.so.8 => /usr/lib/libFLAC.so.8 (0x00007faabca2b000)
        libnsl.so.1 => /usr/lib/libnsl.so.1 (0x00007faabc813000)
        libresolv.so.2 => /usr/lib/libresolv.so.2 (0x00007faabc5fc000)
        libnepomukquery.so.4 => /usr/lib/libnepomukquery.so.4 (0x00007faabc3b4000)


same problem
opensuse 12.2, all m/media from packman

Code: Select all

albert@PC:~> ffmpeg
ffmpeg version 1.0 Copyright (c) 2000-2012 the FFmpeg developers
  built on Sep 28 2012 23:56:09 with gcc 4.7 (SUSE Linux)
  configuration: --shlibdir=/usr/lib --prefix=/usr --mandir=/usr/share/man --libdir=/usr/lib --enable-shared --disable-static --enable-debug --disable-stripping --extra-cflags='-fomit-frame-pointer -fmessage-length=0 -O2 -Wall -D_FORTIFY_SOURCE=2 -fstack-protector -funwind-tables -fasynchronous-unwind-tables -g -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -I/usr/include/gsm' --enable-gpl --enable-x11grab --enable-version3 --enable-pthreads --enable-avfilter --enable-libpulse --enable-libvpx --enable-libmp3lame --enable-libvorbis --enable-libtheora --enable-libspeex --enable-libxvid --enable-libx264 --enable-libschroedinger --enable-libgsm --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-postproc --enable-libdc1394 --enable-librtmp --enable-libfreetype --enable-avresample
  libavutil      51. 73.101 / 51. 73.101
  libavcodec     54. 59.100 / 54. 59.100
  libavformat    54. 29.104 / 54. 29.104
  libavdevice    54.  2.101 / 54.  2.101
  libavfilter     3. 17.100 /  3. 17.100
  libswscale      2.  1.101 /  2.  1.101
  libswresample   0. 15.100 /  0. 15.100
  libpostproc    52.  0.100 / 52.  0.100
Hyper fast Audio and Video encoder
usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...

Use -h to get full help or, even better, run 'man ffmpeg'

Code: Select all

albert@PC:~> ldd /usr/bin/ffmpeg | grep mp3
        libmp3lame.so.0 => /usr/lib/libmp3lame.so.0 (0x44d15000)
albert@PC:~> ldd /usr/bin/amarok | grep mp3
        libmp3lame.so.0 => /usr/lib/libmp3lame.so.0 (0x44d15000)

Also soundkonverter can't handle mp3 encode via ffmpeg

Horus wrote:Hello,

The on-the-fly transcode feature when copying to another collection used to work just fine until recently. The setting (transcode to ogg) is still intact but when actually copy the tracks I'm being confronted with the codec selection dialog. Everything but FLAC, Apple Losles and WMA is greyed out.

Hi Horrus,
the reason is quite simple: ffmpeg changed output of ffmpeg -codecs from:

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  EA    libmp3lame      libmp3lame MP3 (MPEG audio layer 3)

to:

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DEA.L. mp3                  MP3 (MPEG audio layer 3) (decoders: mp3 mp3float ) (encoders: libmp3lame )

in version 1.0, Amarok is then unable to parse the codec availability. Oh gosh, this ffmpeg 0.10 / ffmpeg 1.0 / libav schism is getting annoying.

Short answer: Amarok 2.6 doesn't support ffmpeg >= 1.0. You can try to downgrade ffmpeg or try libav instead. (with ffmpeg -> avconv symlink)

This will be fixed in Amarok 2.7, to track the progress please follow https://bugs.kde.org/show_bug.cgi?id=309454

Fixed in current git and to-be 2.7, please test.

Sorry, had no time to test it...

Could it be possible that non-playing of last.fm radio stations is also related to that API change of ffmpeg?

Horus wrote:Could it be possible that non-playing of last.fm radio stations is also related to that API change of ffmpeg?

No.

I have tested it on openSUSE 12.2 with ffmpeg 1.0 from Packman.

With this commit transcoding works again to all formats except AAC.
"ffmpeg -codecs|grep aac" gives me:

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 DEA.L. aac                  AAC (Advanced Audio Coding)
 D.A.L. aac_latm             AAC LATM (Advanced Audio Coding LATM syntax)


So it seems my ffmpeg is compiled without support for faac, that's why AAC is greyed out...

Wouldn't it be better to use aac as fallback codec if libfaac is not available?
Maybe with code like this: (src/core/transcoding/formats/TranscodingAacFormat.cpp)

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QStringList
AacFormat::ffmpegParameters( const Configuration &configuration ) const
{
    QStringList parameters;
    parameters << "-acodec" << usefaac ? "libfaac" : "aac";

/* rest of the code stripped */
}

bool
AacFormat::verifyAvailability( const QString &ffmpegOutput ) const
{
    if(ffmpegOutput.contains( QRegExp( "^ .EA....*libfaac" ) ))
    {
        usefaac=true;
        return true;
    }
    else
        return ffmpegOutput.contains( QRegExp( "^ .EA....*aac" ) );
}


wolfi323 wrote:Wouldn't it be better to use aac as fallback codec if libfaac is not available?

Yes, is is a possibility. However there are some considerations:
* I've seen somewhere that "aac" is reportedly inferior in encoding quality and quality/bitrate to libfaac
* acc may interpret the quality paremeter differently, needs checking that is produces approximately the same bitrates/quality with the same quality setting

wolfi323 wrote:Maybe with code like this: (src/core/transcoding/formats/TranscodingAacFormat.cpp)

...but if it works out, we would welcome this fallback. Please write and actual patch, test that it works as expected (first tries libfaac, then aac, then reports non-availability; this involoves you reinstalling ffmpeg with various codecs enabled/compiled in) and test/check the points above. Then please submit the patch using http://reviewboard.kde.org/

We would love to see you improving Amarok, thanks!

First of all, I just wanted to point this out.
I personally don't use aac.

But I'm willing to help!

strohel wrote:* I've seen somewhere that "aac" is reportedly inferior in encoding quality and quality/bitrate to libfaac

I don't know about that. But I think "aac" is better than nothing at all.

strohel wrote:* acc may interpret the quality paremeter differently, needs checking that is produces approximately the same bitrates/quality with the same quality setting

Right, that's what came up to my mind as well before I wrote my post. Haven't checked yet.

strohel wrote:...but if it works out, we would welcome this fallback. Please write and actual patch, test that it works as expected (first tries libfaac, then aac, then reports non-availability; this involoves you reinstalling ffmpeg with various codecs enabled/compiled in) and test/check the points above. Then please submit the patch using http://reviewboard.kde.org/

We would love to see you improving Amarok, thanks!

OK. I will do that.
But it will take some time...

Thanks for your work, btw!

wolfi323 wrote:First of all, I just wanted to point this out.
I personally don't use aac.

But I'm willing to help!

Great!

wolfi323 wrote:

strohel wrote:We would love to see you improving Amarok, thanks!

OK. I will do that.
But it will take some time...

Take your time, we're in feature freeze for 2.7 anyway.

wolfi323 wrote:Thanks for your work, btw!

Thanks your your future contribution! You may join us on IRC, channel #amarok. Ping me (strohel) if you have any quick questions regarding the patch.

Just a confirmation - the openSUSE KDE SC 4.10 git build of Amarok does fix this issue for me as well

Thanks!