Recherche avancée

Sur d’autres sites (4134)

• compile FFMpeg for Android (Ubuntu14) - cannot locate symbol

  11 mai 2015, par unichiduci

  I’m trying to compile FFMpeg for Android and I have troubles running the APK on Android 4 (on Android 5 I don’t get this shitty unsatisfied link error) :

  05-09 15:16:18.880  22160-22304/com.gpac.Osmo4 I/LibrariesLoader﹕ Loading library avcodec...
  
  05-09 15:16:18.910  22160-22304/com.gpac.Osmo4 E/dalvikvm﹕ dlopen("/data/app-lib/com.gpac.Osmo4-1/libavcodec.so") failed: Cannot load library: soinfo_relocate(linker.cpp:975): cannot locate symbol "log2f" referenced by "libavcodec.so"...
  
  05-09 15:16:18.920  22160-22304/com.gpac.Osmo4 E/LibrariesLoader﹕ Failed to load library : avcodec due to link error Cannot load library: soinfo_relocate(linker.cpp:975): cannot locate symbol "log2f" referenced by "libavcodec.so"...
  
      java.lang.UnsatisfiedLinkError: Cannot load library: soinfo_relocate(linker.cpp:975): cannot locate symbol "log2f" referenced by "libavcodec.so"...

  I’m using NDK 10d, toolchain 4.9 but I was trying with NDK 8 and 9 also and I was getting the same result.
  The only difference when I compile with older NDK versions is that I get a warning message :

  incompatible declaration of built-in function log2f

  I checked libm.so (where log2f should be) which is on the target device and of course there is no log2f function defined there but replacing the library by hand probably would crash some other stuff + I need to root the phone.

  I know this is a linker issue and it should not be that hard to fix but I ran out of ideas.

  EDIT :
  I’m trying to compile ffmpeg 2.4.3
  The script that I’m using to configure :

  #!/bin/bash
  
  
  
  if [ "$NDK" = "" ]; then
  
      echo NDK variable not set, assuming ${HOME}/android-ndk
  
      export NDK=${HOME}/android-ndk
  
  fi
  
  
  
  echo "Compiling with NDK located at: $NDK"
  
  
  
  ROOT_DIR=`cd ..; pwd`
  
  CUR_DIR=`pwd`
  
  
  
  echo "Fetching Android system headers"
  
  if [ ! -d "$ROOT_DIR/android-source/frameworks/base" ]; then
  
      git clone --depth=1 --branch cm-11.0 https://github.com/CyanogenMod/android_frameworks_base.git "$ROOT_DIR/android-source/frameworks/base"
  
  fi
  
  if [ ! -d "$ROOT_DIR/android-source/system/core" ]; then
  
      git clone --depth=1 --branch cm-11.0 https://github.com/CyanogenMod/android_system_core.git "$ROOT_DIR/android-source/system/core"
  
  fi
  
  if [ ! -d "$ROOT_DIR/android-source/frameworks/av" ]; then
  
      git clone --depth=1 --branch cm-11.0 https://github.com/CyanogenMod/android_frameworks_av "$ROOT_DIR/android-source/frameworks/av"
  
  fi
  
  if [ ! -d "$ROOT_DIR/android-source/hardware/libhardware" ]; then
  
      git clone --depth=1 --branch cm-11.0 https://github.com/CyanogenMod/android_hardware_libhardware.git "$ROOT_DIR/android-source/hardware/libhardware"
  
  fi
  
  if [ ! -d "$ROOT_DIR/android-source/frameworks/native" ]; then
  
      git clone --depth=1 --branch cm-11.0 https://github.com/CyanogenMod/android_frameworks_native.git "$ROOT_DIR/android-source/frameworks/native"
  
  fi
  
  
  
  echo "Fetching Android libraries for linking"
  
  # Libraries from any froyo/gingerbread device/emulator should work
  
  # fine, since the symbols used  should be available on most of them.
  
  if [ ! -d "$ROOT_DIR/android-libs" ]; then
  
      wget http://download.cyanogenmod.org/get/jenkins/65493/cm-10.2.1.3-serranoltexx.zip -P../
  
      unzip ../cm-10.2.1.3-serranoltexx.zip system/lib/* -d../
  
      mv ../system/lib "$ROOT_DIR/android-libs"
  
      rmdir ../system
  
      rm ../cm-10.2.1.3-serranoltexx.zip
  
  fi
  
  
  
  ANDROID_SOURCE="$ROOT_DIR/android-source"
  
  echo "ANDROID_SOURCE: $ANDROID_SOURCE"
  
  ANDROID_LIBS="$ROOT_DIR/android-libs"
  
  OBJS="$ROOT_DIR/objs"
  
  if [ "$DEST" = "" ]; then
  
      rm -rf $ROOT_DIR/build/stagefright
  
      mkdir -p $ROOT_DIR/build/stagefright
  
      DEST=$ROOT_DIR/build/stagefright
  
  fi
  
  
  
  #for ABI in "armeabi-v7a" "armeabi" "x86"; do
  
  for ABI in "armeabi-v7a" "armeabi"; do
  
      if [ "$ABI" = "x86" ]; then
  
          ARCH="x86"
  
          TOOLCHAIN=`echo $NDK/toolchains/x86-4.9/prebuilt/*-x86*`
  
      else
  
          ARCH="arm"
  
          TOOLCHAIN=`echo $NDK/toolchains/arm-linux-androideabi-4.9/prebuilt/*-x86*`
  
      fi 
  
      SYSROOT=$NDK/platforms/android-18/arch-$ARCH
  
      # Expand the prebuilt/* path into the correct one
  
      export PATH=$TOOLCHAIN/bin:$PATH
  
  
  
      FLAGS="--target-os=linux --arch=$ARCH"
  
      FLAGS="$FLAGS --sysroot=$SYSROOT"
  
      FLAGS="$FLAGS --enable-shared --disable-doc --disable-ffplay --disable-ffprobe --disable-ffserver --disable-symver"
  
      if [ "$ARCH" = "arm" ]; then
  
          FLAGS="$FLAGS --cross-prefix=$TOOLCHAIN/bin/arm-linux-androideabi- --cpu=armv7-a --enable-libstagefright-h264"
  
          #FLAGS="$FLAGS --cross-prefix=$TOOLCHAIN/bin/arm-linux-androideabi- --cpu=armv7-a"
  
      else
  
          FLAGS="$FLAGS --cross-prefix=$TOOLCHAIN/bin/i686-linux-android- --disable-asm"
  
      fi
  
  
  
      EXTRA_CFLAGS="-I$DEST/$ABI/include"
  
      EXTRA_CFLAGS="$EXTRA_CFLAGS -I$ANDROID_SOURCE/frameworks/base/include -I$ANDROID_SOURCE/system/core/include"
  
      EXTRA_CFLAGS="$EXTRA_CFLAGS -I$ANDROID_SOURCE/frameworks/native/include"
  
      EXTRA_CFLAGS="$EXTRA_CFLAGS -I$ANDROID_SOURCE/frameworks/native/include/media/openmax"
  
      EXTRA_CFLAGS="$EXTRA_CFLAGS -I$ANDROID_SOURCE/frameworks/av/include"
  
      EXTRA_CFLAGS="$EXTRA_CFLAGS -I$ANDROID_SOURCE/frameworks/av/media/libstagefright"
  
      EXTRA_CFLAGS="$EXTRA_CFLAGS -I$NDK/sources/cxx-stl/gnu-libstdc++/4.9/include -I$NDK/sources/cxx-stl/gnu-libstdc++/4.9/libs/$ABI/include"
  
      EXTRA_CFLAGS="$EXTRA_CFLAGS -I$ANDROID_SOURCE/hardware/libhardware/include"
  
      if [ "$ARCH" = "arm" ]; then
  
          EXTRA_CFLAGS="$EXTRA_CFLAGS -march=armv7-a -mfloat-abi=softfp -mfpu=neon -Wl,--no-undefined" #-Werror=implicit-function-declaration"
  
      fi
  
      EXTRA_LDFLAGS="-Wl,--fix-cortex-a8 -L$ANDROID_LIBS -Wl,-rpath-link,$ANDROID_LIBS -L$NDK/sources/cxx-stl/gnu-libstdc++/4.9/libs/$ABI"
  
      EXTRA_CXXFLAGS="-Wno-multichar -fno-exceptions -fno-rtti"
  
      FLAGS="$FLAGS --prefix=$DEST/$ABI"
  
  
  
      mkdir -p $DEST/$ABI
  
      mkdir -p $OBJS/$ABI
  
  
  
      echo $FLAGS --extra-cflags="$EXTRA_CFLAGS" --extra-ldflags="$EXTRA_LDFLAGS" --extra-cxxflags="$EXTRA_CXXFLAGS" > $DEST/$ABI/info.txt
  
      echo "Configuring ..."
  
      cd $OBJS/$ABI
  
      $ROOT_DIR/configure $FLAGS --extra-cflags="$EXTRA_CFLAGS" --extra-ldflags="$EXTRA_LDFLAGS" --extra-cxxflags="$EXTRA_CXXFLAGS" | tee $DEST/$ABI/configuration.txt
  
      [ $PIPESTATUS == 0 ] || exit 1
  
      echo "Making ..."
  
      #make clean
  
      make -j4 || exit 1
  
      make install || exit 1
  
      cd $CUR_DIR
  
  done

• Shell command error with XAMPP on Yosemite - dyld : Symbol not found : _sqlite3_intarray_bind

  17 juin 2015, par Hyperion

  I’m trying to run a simple shell command with PHP. I’m using XAMPP on OS X Yosemite, this is my script

  <?php
  
  $output = shell_exec(PHP_BINDIR.'/ffmpeg 2>&1');
  
  echo "<pre>$output</pre>";
  
  ?>

  I’ve placed my ffmpeg executable in /Applications/XAMPP/xamppfiles/bin but when I run it, I got this error on the page instead of the shell output :

  dyld: Symbol not found: _sqlite3_intarray_bind
  
    Referenced from: /System/Library/Frameworks/CoreData.framework/Versions/A/CoreData
  
    Expected in: /Applications/XAMPP/xamppfiles/lib/libsqlite3.dylib
  
   in /System/Library/Frameworks/CoreData.framework/Versions/A/CoreData

  What this error means ? Why is involved Sqlite3 ?

• symbol(s) not found for architecture x86_64 on Mac when using Qt+opencv+ffmpeg

  20 juillet 2015, par Galaxy

  I’m running a project using Qt+opencv+ffmpeg on Mac, but it comes to an error : symbol(s) not found for architecture x86_64.

  ---

  Part of .pro :

  INCLUDEPATH += /usr/local/include
  
  INCLUDEPATH += /usr/local/include/opencv
  
  INCLUDEPATH += /usr/local/include/opencv2
  
  
  
  LIBS += -L/usr/local/lib -lavformat -lavcodec -lavutil

  ---

  When I use GCC (x86 64bit in /usr/bin) to compile, it shows

  error: symbol(s) not found for architecture x86_64

  When I use Clang (x86 64bit in /usr/bin) to compile, it shows

  error: symbol(s) not found for architecture x86_64
  
  error: linker command failed with exit code 1 (use -v to see invocation)

  ---

  I’m using OS X Yosemite 10.10.4. Does anybody know how to fix it ?