What's the meaning of 'blacklisted' on GStreamer?

linux plugins mips cross-compiling gstreamer
Jinho Yoo picture Jinho Yoo · Dec 10, 2014 · Viewed 9.5k times · Source

I'm trying to cross-compile GStreamer. Version is 1.2.3. Host PC's OS is x86 linux and Target system's OS is MIPSEL linux OS.

I succeeded to compile gstreamer and plugins for target device. And gst-launch-1.0 could be executed. So I tried to use basic plugin, libgstvideotestsrc. But it didn't work. So I ran ```gst-inspect-1.0' to inspect plugins then I found the result like below. 

# gst-inspect-1.0 -b
Blacklisted files:
  libgstinterlace.so
  libgstfbdevsink.so
  libgstgeometrictransform.so
  libgstmultifile.so
  libgstencodebin.so
  libgstfestival.so
  libgstlevel.so
  libgstdvdspu.so
  libgstauparse.so
  libgsty4menc.so
  libgstvideofilter.so
  libgstvideoscale.so
  libgstaccurip.so
  libgstvideoconvert.so
  libgstaudioparsers.so
  libgsttcp.so
  libgstvolume.so
  libgstcoreelements.so
  libgstmpegtsdemux.so
  libgstid3tag.so
  libgstadpcmdec.so
  libgstmfc.so
  libgstrtpmanager.so
  libgstaudiotestsrc.so
  libgstdeinterlace.so
  libgstdebug.so
  libgstplayback.so
  libgstspeed.so
  libgstasfmux.so
  libgsticydemux.so
  libgstmpegpsdemux.so
  libgstalaw.so
  libgstwavparse.so
  libgstpnm.so
  libgstnavigationtest.so
  libgstcamerabin2.so
  libgstsdpelem.so
  libgstisomp4.so
  libgstliveadder.so
  libgstmpegtsmux.so
  libgstautodetect.so
  libgstmultipart.so
  libgstvideofiltersbad.so
  libgstaudioresample.so
  libgstautoconvert.so
  libgstdvbsuboverlay.so
  libgstid3demux.so
  libgstvideobox.so
  libgstgio.so
  libgstdtmf.so
  libgstremovesilence.so
  libgstreplaygain.so
  libgstaudioconvert.so
  libgstcutter.so
  libgstgaudieffects.so
  libgstdvb.so
  libgstaudiovisualizers.so
  libgstudp.so
  libgstimagefreeze.so
  libgstadder.so
  libgstpcapparse.so
  libgstmxf.so
  libgstshapewipe.so
  libgstgdp.so
  libgstwavenc.so
  libgstshm.so
  libgstflv.so
  libgstfreeverb.so
  libgstoss4audio.so
  libgstsubenc.so
  libgstaudiorate.so
  libgstinter.so
  libgsttypefindfunctions.so
  libgstvideorate.so
  libgstrtp.so
  libgstcoloreffects.so
  libgstmpegpsmux.so
  libgstivtc.so
  libgstjpegformat.so
  libgstsmpte.so
  libgstalphacolor.so
  libgstsubparse.so
  libgstaudiofxbad.so
  libgstvideomixer.so
  libgstmulaw.so
  libgstdebugutilsbad.so
  libgsteffectv.so
  libgstfieldanalysis.so
  libgstadpcmenc.so
  libgstrawparse.so
  libgstavi.so
  libgstdataurisrc.so
  libgstapetag.so
  libgstinterleave.so
  libgstmidi.so
  libgstrtsp.so
  libgstapp.so
  libgstalpha.so
  libgstaudiofx.so
  libgstvideocrop.so
  libgstvideotestsrc.so
  libgstspectrum.so
  libgstbayer.so
  libgstaiff.so
  libgstsegmentclip.so
  libgstfrei0r.so

Total count: 106 blacklisted files

I wonder the meaning of 'blacklisted' and how I should approach this problem. Please let me know if you need several information to resolve this issue.

Here is my build configuration for GStreamer. 

#PACKAGES: Name + version
export GST_PLUGIN_BASE="gst-plugins-base-1.2.3"
export GST_PLUGIN_GOOD="gst-plugins-good-1.2.3"
export GST_PLUGIN_BAD="gst-plugins-bad-1.2.3"


#HOST & Build configuration.
export HOST="mips-linux-gnu"
export BUILD="i686-pc-linux-gnu"


#Set path for file system.
export BUILD_PATH="~~~~~"
export ROOTFS_PATH="${BUILD_PATH}/rootfs"
export MIPS_LIB="~~~"
export INSTALL_PATH="${ROOTFS_PATH}/usr"
export INSTALL_PATH_LIB="${ROOTFS_PATH}/usr/lib"

#Compiler options
export PATH="${PATH}:${INSTALL_PATH}/bin"
export CFLAGS="-I${ROOTFS_PATH}/usr/include  -I${ROOTFS_PATH}/usr/include/glib-2.0 -I${ROOTFS_PATH}/usr/lib/glib-2.0/include -I${ROOTFS_PATH}/usr/include/gstreamer-1.0 -I${ROOTFS_PATH}/usr/include/gio-unix-2.0 -mno-compact-eh -EL"   
export CPPFLAGS="-I${ROOTFS_PATH}/usr/include  -I${ROOTFS_PATH}/usr/include/glib-2.0 -I${ROOTFS_PATH}/usr/lib/glib-2.0/include -I${ROOTFS_PATH}/usr/include/gstreamer-1.0 -I${ROOTFS_PATH}/usr/include/gio-unix-2.0 -mno-compact-eh -EL"
export CXXFLAGS=$CPPFLAGS
export GST_CHECK_CFLAGS="-I${ROOTFS_PATH}/usr/include -I${ROOTFS_PATH}/usr/include/glib-2.0/include" 
export PKG_CONFIG="/usr/bin/pkg-config" 
export PKG_CONFIG_PATH="${PATH}:${ROOTFS_PATH}/lib/pkgconfig/:${ROOTFS_PATH}/usr/lib/pkgconfig/:${ROOTFS_PATH}/usr/local/lib/pkgconfig/:/usr/lib/pkgconfig:/usr/local/lib/pkgconfig:/lib/pkgconfig"
export LD_LIBRARY_PATH="/lib:/usr/local/lib"
export CC="~~~mips-linux-gnu-gcc -EL"
export CXX="~~~mips-linux-gnu-g++ -EL"



cd ${BUILD_PATH}


#GStreamer 1.2.3
#http://greenday96.egloos.com/viewer/4627046
wget http://gstreamer.freedesktop.org/src/gstreamer/$GSTREAMER.tar.xz
tar xf $GSTREAMER.tar.xz
cd $GSTREAMER
./configure --prefix=$INSTALL_PATH --build=$BUILD  --host=$HOST  --disable-nls --disable-static 
sudo make 
sudo make install 
cd ..

#gst-plugin-base 1.2.3 
wget http://gstreamer.freedesktop.org/src/gst-plugins-base/$GST_PLUGIN_BASE.tar.xz
tar xf $GST_PLUGIN_BASE.tar.xz
cd $GST_PLUGIN_BASE
./configure --prefix=$INSTALL_PATH --build=$BUILD  --host=$HOST  --disable-nls --disable-static --disable-examples --disable-pango
sudo make 
sudo make install 
cd ..


# gst-plugin-good-1.2.3 
# http://gstreamer.freedesktop.org/src/gst-plugins-good/gst-plugins-good-1.2.3.tar.xz
wget http://gstreamer.freedesktop.org/src/gst-plugins-good/$GST_PLUGIN_GOOD.tar.xz
tar xf $GST_PLUGIN_GOOD.tar.xz
cd $GST_PLUGIN_GOOD
./configure --prefix=$INSTALL_PATH --build=$BUILD  --host=$HOST  --disable-nls --disable-static --disable-valgrind --disable-equalizer --disable-flx --disable-goom --disable-goom2k1 --disable-matroska --disable-monoscope  --disable-oss  --disable-cairo  --disable-gdk_pixbuf   --disable-soup  --disable-libpng --disable-gst_v4l2
sudo make 
sudo make install 
cd ..


# gst-plugin-bad-1.2.3 
# http://gstreamer.freedesktop.org/src/gst-plugins-bad/gst-plugins-bad-1.2.3.tar.xz
wget http://gstreamer.freedesktop.org/src/gst-plugins-bad/$GST_PLUGIN_BAD.tar.xz
tar xf $GST_PLUGIN_BAD.tar.xz
cd $GST_PLUGIN_BAD
./configure --prefix=$INSTALL_PATH --build=$BUILD  --host=$HOST  --disable-nls --disable-static   --disable-y4m --disable-siren --disable-librfb  --disable-yadif --disable-smooth --disable-videoparsers --disable-decklink --disable-valgrind --disable-directfb --disable-examples 
sudo make 
sudo make install 
cd ..

Answer

Mathieu_Du picture Mathieu_Du · Dec 10, 2014

if you want to know for sure why these plugins are blacklisted, you can remove "registry.dat" (run locate to find out its location), then rerun gst-inspect , the plugins will be examined once again and the reason for blacklisting them should be printed.

There can be several reasons why they are blacklisted, if you do this you should find them out.

Alternatively, you can also run gst-inspect location_of_the_dynamic_library.so

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