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  • undefined reference to 'memset' while configuring ffmpeg

    20 mai 2013, par Jacques Giraudel

    I want to port ffmpeg on android to use it in an app (to convert video files in webm format).

    I use the following command to configure FFMPEG :

    ./configure --target-os=linux \
    
    --cross-prefix=arm-linux-androideabi \
    
    --arch=arm-linux \
    
    --sysroot=$TC_SYSROOT \
    
    --nm=$NM \
    
    --ar=$AR \
    
    --cc=$CC \
    
    --ld=$LD \
    
    --disable-symver \
    
    --enable-small \
    
    --enable-libvorbis \
    
    --enable-libvpx \
    
    --extra-cflags="-I$PROJECT_BASE/jni/libvorbis/build/include -I$PROJECT_BASE/jni/libogg/build/include -I$PROJECT_BASE/jni/libvpx/libvpx -I$PROJECT_BASE/jni/libvpx/libvpx/build/install/include" \
    
    --extra-ldflags="-L$PROJECT_BASE/jni/libvorbis/build/lib -L$PROJECT_BASE/jni/libogg/build/lib -L$PROJECT_BASE/jni/libvpx/libvpx/build/install/lib" \
    
    --prefix=$PROJECT_BASE/jni/ffmpeg/build

    I use a standalone toolchain (NDK compiler version : 4.6). I dont use the AS of the toolchain, when I try the command block (I have waited for 10 minutes without response, some starting infos in the config.log and it seems to block at the beginning of the compilation). The different lib and directory added are the build install of the libraries needed (ogg, vorbis and vpx).

    I obtain this message :

     /Bureau/TripApp/jni/ffmpeg /Bureau/TripApp/jni /Bureau/TripApp/jni
    ERROR : libvpx decoder version must be >=0.9.1

    When I look at the config.log file, I have :

    check_lib2 vpx/vpx_decoder.h vpx/vp8dx.h vpx_codec_dec_init_ver -lvpx
    
check_func_headers vpx/vpx_decoder.h vpx/vp8dx.h vpx_codec_dec_init_ver -lvpx
    
check_ld cc -lvpx
    
check_cc
    
BEGIN /tmp/ffconf.TOBhIIiF.c
    
    1   #include <vpx></vpx>vpx_decoder.h>
    
    2   #include <vpx></vpx>vp8dx.h>
    
    3   long check_vpx_codec_dec_init_ver(void) { return (long) vpx_codec_dec_init_ver; }
    
    4   int main(void) { return 0; }
    
END /tmp/ffconf.TOBhIIiF.c
    
/home/jacques/my-android-toolchain2/bin/arm-linux-androideabi-gcc --sysroot=/home/jacques/my-android-toolchain2/sysroot -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -DPIC -I/home/jacques/Bureau/TripApp/jni/libvorbis/build/include -I/home/jacques/Bureau/TripApp/jni/libogg/build/include -I/home/jacques/Bureau/TripApp/jni/libvpx/libvpx -I/home/jacques/Bureau/TripApp/jni/libvpx/libvpx/build/install/include -march=armv5te -std=c99 -fomit-frame-pointer -fPIC -marm -c -o /tmp/ffconf.bbOA0x5j.o /tmp/ffconf.TOBhIIiF.c
    
/home/jacques/my-android-toolchain2/bin/arm-linux-androideabi-ld -L/home/jacques/Bureau/TripApp/jni/libvorbis/build/lib -L/home/jacques/Bureau/TripApp/jni/libogg/build/lib -L/home/jacques/Bureau/TripApp/jni/libvpx/libvpx/build/install/lib --sysroot=/home/jacques/my-android-toolchain2/sysroot -o /tmp/ffconf.IqRLz1B9 /tmp/ffconf.bbOA0x5j.o -lvpx -lvorbisenc -lvorbis -logg -lm -lz
    
/home/jacques/my-android-toolchain2/bin/arm-linux-androideabi-ld: /home/jacques/Bureau/TripApp/jni/libvpx/libvpx/build/install/lib/libvpx.a(vpx_decoder.c.o): in function vpx_codec_dec_init_ver:(.text+0xc0): **error: undefined reference to &#39;memset&#39;**
    
ERROR: libvpx decoder version must be >=0.9.1

    I have also a warning at the beginning of the file :

    WARNING: arm-linux-androideabipkg-config not found, library detection may fail.

    And many other errors which seem to be not blocking (eg : related to the support of older ARM version than the targeted one)

    libvpx is configured using the following command (the make succeeds) :

    ./libvpx/configure --target=armv5te-android-gcc --disable-examples \
    
                    --sdk-path=$NDK_BASE --prefix=$PROJECT_BASE/jni/libvpx/libvpx/build

    The NDK version used is r8e.

    My search on this :
    The libvpx version used is 1.1.0, memset is a function defined in string.h. String.h is present in the include dir of the sysroot used (and memset is defined).

    Do you see what could be the source of the problem ?

  • undefined reference to ffmpeg functions in native code using Android Studio 2.2

    12 octobre 2016, par Krzysztof Kansy

    I have a problem with using ffmpeg in Android Studio 2.2 using NDK 13 and new Cmake building system. FFmpeg version is 3.1.4.
    The system I’m working on is Linux Mint 18 64-bit.
    At the build time I’m getting undefined reference error each time I use ffpeg functions.

    My MainActivity.java :

    public class MainActivity extends AppCompatActivity {
    

    
    @Override
    
    protected void onCreate(Bundle savedInstanceState) {
    
        super.onCreate(savedInstanceState);
    
        setContentView(R.layout.activity_main);
    

    
    // Example of a call to a native method
    
    TextView tv = (TextView) findViewById(R.id.sample_text);
    
    tv.setText(stringFromJNI());
    
    }
    

    
    /**
    
     * A native method that is implemented by the 'native-lib' native library,
    
     * which is packaged with this application.
    
     */
    
    public native String stringFromJNI();
    

    
    // Used to load the 'native-lib' library on application startup.
    
    static {
    
        System.loadLibrary("native-lib");
    
    }
    
}

    My native class (undefined reference is pointing to av_init_packet(&avPacket)) :

    #include 
    
#include <string>
    
#include <android></android>log.h>
    
#include <libavcodec></libavcodec>avcodec.h>
    

    

    
extern "C"
    
jstring
    
Java_com_example_tito_jnitest_MainActivity_stringFromJNI(
    
        JNIEnv* env,
    
        jobject /* this */) {
    

    
    std::string hello = "Hello from C++";
    

    
    __android_log_print(ANDROID_LOG_INFO, "JNItest", "Hello from JNI!");
    

    
    AVPacket avPacket;
    
    av_init_packet(&amp;avPacket);
    

    
    return env->NewStringUTF(hello.c_str());
    
}
    
</string>

    build.gradle script

    apply plugin: 'com.android.application'
    

    
android {
    
    compileSdkVersion 24
    
    buildToolsVersion "24.0.3"
    
    defaultConfig {
    
        applicationId "com.example.tito.jnitest"
    
        minSdkVersion 19
    
        targetSdkVersion 24
    
        versionCode 1
    
        versionName "1.0"
    
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    
        externalNativeBuild {
    
            cmake {
    
                // Passes optional arguments to CMake.
    
                cppFlags "-frtti -fexceptions"
    
                abiFilters 'armeabi'
    
            }
    
        }
    
    }
    

    
    sourceSets {
    
        main {
    
            jniLibs.srcDirs = ['/home/tito/AndroidStudioProjects/JNItest/app/src/main/jniLibs']
    
        }
    
    }
    

    
    buildTypes {
    
        release {
    
            minifyEnabled false
    
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
    
        }
    
    }
    
    externalNativeBuild {
    
        cmake {
    
            path "CMakeLists.txt"
    
        }
    
    }
    
}
    

    
dependencies {
    
    compile fileTree(dir: 'libs', include: ['*.jar'])
    
    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
    
        exclude group: 'com.android.support', module: 'support-annotations'
    
    })
    
    compile 'com.android.support:appcompat-v7:24.2.1'
    
    testCompile 'junit:junit:4.12'
    
}

    CMakeLists.txt

    cmake_minimum_required(VERSION 3.4.1)
    

    
include_directories(/home/tito/Android/Sdk/ndk-bundle/sources/ffmpeg-3.1.4/android/${ANDROID_ABI}/include)
    

    
#set(CMAKE_VERBOSE_MAKEFILE on)
    
#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++11")
    

    
add_library( avutil
    
             SHARED
    
             IMPORTED )
    

    
set_target_properties(
    
                avutil
    
                PROPERTIES IMPORTED_LOCATION
    
                /home/tito/AndroidStudioProjects/JNItest/app/src/main/jniLibs/${ANDROID_ABI}/libavutil-55.so )
    

    
add_library( swscale
    
             SHARED
    
             IMPORTED )
    

    
set_target_properties(
    
                swscale
    
                PROPERTIES IMPORTED_LOCATION
    
                /home/tito/AndroidStudioProjects/JNItest/app/src/main/jniLibs/${ANDROID_ABI}/libswscale-4.so )
    

    
add_library( swresample
    
             SHARED
    
             IMPORTED )
    

    
set_target_properties(
    
                swresample
    
                PROPERTIES IMPORTED_LOCATION
    
                /home/tito/AndroidStudioProjects/JNItest/app/src/main/jniLibs/${ANDROID_ABI}/libswresample-2.so )
    

    
add_library( avcodec
    
             SHARED
    
             IMPORTED )
    

    
set_target_properties(
    
                avcodec
    
                PROPERTIES IMPORTED_LOCATION
    
                /home/tito/AndroidStudioProjects/JNItest/app/src/main/jniLibs/${ANDROID_ABI}/libavcodec-57.so )
    

    
add_library( avfilter
    
             SHARED
    
             IMPORTED )
    

    
set_target_properties(
    
                avfilter
    
                PROPERTIES IMPORTED_LOCATION
    
                /home/tito/AndroidStudioProjects/JNItest/app/src/main/jniLibs/${ANDROID_ABI}/libavfilter-6.so )
    

    
add_library( avformat
    
             SHARED
    
             IMPORTED )
    

    
set_target_properties(
    
                avformat
    
                PROPERTIES IMPORTED_LOCATION
    
                /home/tito/AndroidStudioProjects/JNItest/app/src/main/jniLibs/${ANDROID_ABI}/libavformat-57.so )
    

    
add_library( avdevice
    
             SHARED
    
             IMPORTED )
    

    
set_target_properties(
    
                avdevice
    
                PROPERTIES IMPORTED_LOCATION
    
                /home/tito/AndroidStudioProjects/JNItest/app/src/main/jniLibs/${ANDROID_ABI}/libavdevice-57.so )
    

    
add_library( native-lib
    
             SHARED
    
             src/main/cpp/native-lib.cpp )
    

    
find_library( log-lib
    
              log )
    

    
target_link_libraries(native-lib ${log-lib} avutil swscale swresample avcodec avfilter avformat avdevice)

    Build process of ffmpeg seemed to be successful. Here’s my build script :

    #!/bin/bash
    
NDK=/home/tito/Android/Sdk/ndk-bundle
    
SYSROOT=$NDK/platforms/android-19/arch-arm/
    
TOOLCHAIN=$NDK/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64
    
function build_one
    
{
    
./configure \
    
--prefix=$PREFIX \
    
--disable-static \
    
--enable-shared \
    
--disable-doc \
    
--disable-ffmpeg \
    
--disable-ffplay \
    
--disable-ffprobe \
    
--disable-ffserver \
    
--disable-doc \
    
--cross-prefix=$TOOLCHAIN/bin/arm-linux-androideabi- \
    
--target-os=linux \
    
--arch=arm \
    
--enable-cross-compile \
    
--sysroot=$SYSROOT \
    
--extra-cflags="-Os -fpic -marm" \
    
--extra-ldflags="-marm" \
    
$ADDITIONAL_CONFIGURE_FLAG
    
make clean
    
make
    
make install
    
}
    
CPU=armeabi
    
PREFIX=$(pwd)/android/$CPU
    
build_one

    One thing I noticed that could indicate that something is wrong with ffmpeg build is warning WARNING: /home/tito/Android/Sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-pkg-config not found, library detection may fail. during building. I’m not sure if this may be cause of problems.

    I was trying to build for all of the ABIs, but for now I decided to focus on making just armeabi working. I’m having exact same failure after using e.g. arm64-v8a.

    Finally, here is the gradle console’s content with error :

    Executing tasks: [:app:assembleDebug]
    

    
Configuration on demand is an incubating feature.
    
Incremental java compilation is an incubating feature.
    
:app:preBuild UP-TO-DATE
    
:app:preDebugBuild UP-TO-DATE
    
:app:checkDebugManifest
    
:app:preReleaseBuild UP-TO-DATE
    
:app:prepareComAndroidSupportAnimatedVectorDrawable2421Library UP-TO-DATE
    
:app:prepareComAndroidSupportAppcompatV72421Library UP-TO-DATE
    
:app:prepareComAndroidSupportSupportCompat2421Library UP-TO-DATE
    
:app:prepareComAndroidSupportSupportCoreUi2421Library UP-TO-DATE
    
:app:prepareComAndroidSupportSupportCoreUtils2421Library UP-TO-DATE
    
:app:prepareComAndroidSupportSupportFragment2421Library UP-TO-DATE
    
:app:prepareComAndroidSupportSupportMediaCompat2421Library UP-TO-DATE
    
:app:prepareComAndroidSupportSupportV42421Library UP-TO-DATE
    
:app:prepareComAndroidSupportSupportVectorDrawable2421Library UP-TO-DATE
    
:app:prepareDebugDependencies
    
:app:compileDebugAidl UP-TO-DATE
    
:app:compileDebugRenderscript UP-TO-DATE
    
:app:generateDebugBuildConfig UP-TO-DATE
    
:app:generateDebugResValues UP-TO-DATE
    
:app:generateDebugResources UP-TO-DATE
    
:app:mergeDebugResources UP-TO-DATE
    
:app:processDebugManifest UP-TO-DATE
    
:app:processDebugResources
    
:app:generateDebugSources
    
:app:incrementalDebugJavaCompilationSafeguard UP-TO-DATE
    
:app:compileDebugJavaWithJavac UP-TO-DATE
    
:app:generateJsonModelDebug UP-TO-DATE
    
:app:externalNativeBuildDebug
    
  building /home/tito/AndroidStudioProjects/JNItest/app/build/intermediates/cmake/debug/obj/armeabi/libnative-lib.so
    
:app:externalNativeBuildDebug FAILED
    

    
FAILURE: Build failed with an exception.
    

    
* What went wrong:
    
Execution failed for task ':app:externalNativeBuildDebug'.
    
> Build command failed.
    
  Error while executing '/home/tito/Android/Sdk/cmake/3.6.3155560/bin/cmake' with arguments {--build /home/tito/AndroidStudioProjects/JNItest/app/.externalNativeBuild/cmake/debug/armeabi --target native-lib}
    
  [1/2] Building CXX object CMakeFiles/native-lib.dir/src/main/cpp/native-lib.cpp.o
    
  [2/2] Linking CXX shared library ../../../../build/intermediates/cmake/debug/obj/armeabi/libnative-lib.so
    
  FAILED: : &amp;&amp; /home/tito/Android/Sdk/ndk-bundle/toolchains/llvm/prebuilt/linux-x86_64/bin/clang++  -target armv5te-none-linux-androideabi -gcc-toolchain /home/tito/Android/Sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64 --sysroot=/home/tito/Android/Sdk/ndk-bundle/platforms/android-19/arch-arm -fPIC -g -DANDROID -ffunction-sections -funwind-tables -fstack-protector-strong -no-canonical-prefixes -march=armv5te -mtune=xscale -msoft-float -fno-integrated-as -mthumb -Wa,--noexecstack -Wformat -Werror=format-security -fno-exceptions -fno-rtti -g -DANDROID -ffunction-sections -funwind-tables -fstack-protector-strong -no-canonical-prefixes -march=armv5te -mtune=xscale -msoft-float -fno-integrated-as -mthumb -Wa,--noexecstack -Wformat -Werror=format-security -fno-exceptions -fno-rtti -frtti -fexceptions -O0 -fno-limit-debug-info -O0 -fno-limit-debug-info  -Wl,--build-id -Wl,--warn-shared-textrel -Wl,--fatal-warnings -Wl,--no-undefined -Wl,-z,noexecstack -Qunused-arguments -Wl,-z,relro -Wl,-z,now -Wl,--build-id -Wl,--warn-shared-textrel -Wl,--fatal-warnings -Wl,--no-undefined -Wl,-z,noexecstack -Qunused-arguments -Wl,-z,relro -Wl,-z,now -shared -Wl,-soname,libnative-lib.so -o ../../../../build/intermediates/cmake/debug/obj/armeabi/libnative-lib.so CMakeFiles/native-lib.dir/src/main/cpp/native-lib.cpp.o  /home/tito/Android/Sdk/ndk-bundle/platforms/android-19/arch-arm/usr/lib/liblog.so ../../../../src/main/jniLibs/armeabi/libavutil-55.so ../../../../src/main/jniLibs/armeabi/libswscale-4.so ../../../../src/main/jniLibs/armeabi/libswresample-2.so ../../../../src/main/jniLibs/armeabi/libavcodec-57.so ../../../../src/main/jniLibs/armeabi/libavfilter-6.so ../../../../src/main/jniLibs/armeabi/libavformat-57.so ../../../../src/main/jniLibs/armeabi/libavdevice-57.so -lm "/home/tito/Android/Sdk/ndk-bundle/sources/cxx-stl/gnu-libstdc++/4.9/libs/armeabi/libgnustl_static.a" "-latomic" &amp;&amp; :
    
  /home/tito/AndroidStudioProjects/JNItest/app/src/main/cpp/native-lib.cpp:18: error: undefined reference to 'av_init_packet(AVPacket*)'
    
  clang++: error: linker command failed with exit code 1 (use -v to see invocation)
    
  ninja: build stopped: subcommand failed.
    

    

    
* Try:
    
Run with --info or --debug option to get more log output.
    

    
* Exception is:
    
org.gradle.api.tasks.TaskExecutionException: Execution failed for task ':app:externalNativeBuildDebug'.
    
    at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:69)
    
    at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:46)
    
    at org.gradle.api.internal.tasks.execution.PostExecutionAnalysisTaskExecuter.execute(PostExecutionAnalysisTaskExecuter.java:35)
    
    at org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:66)
    
    at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:58)
    
    at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:52)
    
    at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:52)
    
    at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:53)
    
    at org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter.execute(ExecuteAtMostOnceTaskExecuter.java:43)
    
    at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:203)
    
    at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:185)
    
    at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.processTask(AbstractTaskPlanExecutor.java:66)
    
    at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.run(AbstractTaskPlanExecutor.java:50)
    
    at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor.process(DefaultTaskPlanExecutor.java:25)
    
    at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter.execute(DefaultTaskGraphExecuter.java:110)
    
    at org.gradle.execution.SelectedTaskExecutionAction.execute(SelectedTaskExecutionAction.java:37)
    
    at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:37)
    
    at org.gradle.execution.DefaultBuildExecuter.access$000(DefaultBuildExecuter.java:23)
    
    at org.gradle.execution.DefaultBuildExecuter$1.proceed(DefaultBuildExecuter.java:43)
    
    at org.gradle.execution.DryRunBuildExecutionAction.execute(DryRunBuildExecutionAction.java:32)
    
    at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:37)
    
    at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:30)
    
    at org.gradle.initialization.DefaultGradleLauncher$4.run(DefaultGradleLauncher.java:153)
    
    at org.gradle.internal.Factories$1.create(Factories.java:22)
    
    at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:91)
    
    at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:53)
    
    at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:150)
    
    at org.gradle.initialization.DefaultGradleLauncher.access$200(DefaultGradleLauncher.java:32)
    
    at org.gradle.initialization.DefaultGradleLauncher$1.create(DefaultGradleLauncher.java:98)
    
    at org.gradle.initialization.DefaultGradleLauncher$1.create(DefaultGradleLauncher.java:92)
    
    at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:91)
    
    at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:63)
    
    at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:92)
    
    at org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLauncher.java:83)
    
    at org.gradle.launcher.exec.InProcessBuildActionExecuter$DefaultBuildController.run(InProcessBuildActionExecuter.java:99)
    
    at org.gradle.tooling.internal.provider.runner.BuildModelActionRunner.run(BuildModelActionRunner.java:46)
    
    at org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildActionRunner.java:35)
    
    at org.gradle.tooling.internal.provider.runner.SubscribableBuildActionRunner.run(SubscribableBuildActionRunner.java:58)
    
    at org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildActionRunner.java:35)
    
    at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:48)
    
    at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:30)
    
    at org.gradle.launcher.exec.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:81)
    
    at org.gradle.launcher.exec.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:46)
    
    at org.gradle.launcher.daemon.server.exec.ExecuteBuild.doBuild(ExecuteBuild.java:52)
    
    at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)
    
    at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
    
    at org.gradle.launcher.daemon.server.exec.WatchForDisconnection.execute(WatchForDisconnection.java:37)
    
    at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
    
    at org.gradle.launcher.daemon.server.exec.ResetDeprecationLogger.execute(ResetDeprecationLogger.java:26)
    
    at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
    
    at org.gradle.launcher.daemon.server.exec.RequestStopIfSingleUsedDaemon.execute(RequestStopIfSingleUsedDaemon.java:34)
    
    at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
    
    at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.call(ForwardClientInput.java:74)
    
    at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.call(ForwardClientInput.java:72)
    
    at org.gradle.util.Swapper.swap(Swapper.java:38)
    
    at org.gradle.launcher.daemon.server.exec.ForwardClientInput.execute(ForwardClientInput.java:72)
    
    at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
    
    at org.gradle.launcher.daemon.server.health.DaemonHealthTracker.execute(DaemonHealthTracker.java:47)
    
    at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
    
    at org.gradle.launcher.daemon.server.exec.LogToClient.doBuild(LogToClient.java:60)
    
    at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)
    
    at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
    
    at org.gradle.launcher.daemon.server.exec.EstablishBuildEnvironment.doBuild(EstablishBuildEnvironment.java:72)
    
    at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)
    
    at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
    
    at org.gradle.launcher.daemon.server.health.HintGCAfterBuild.execute(HintGCAfterBuild.java:41)
    
    at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
    
    at org.gradle.launcher.daemon.server.exec.StartBuildOrRespondWithBusy$1.run(StartBuildOrRespondWithBusy.java:50)
    
    at org.gradle.launcher.daemon.server.DaemonStateCoordinator$1.run(DaemonStateCoordinator.java:237)
    
    at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:54)
    
    at org.gradle.internal.concurrent.StoppableExecutorImpl$1.run(StoppableExecutorImpl.java:40)
    
Caused by: org.gradle.internal.UncheckedException: Build command failed.
    
Error while executing '/home/tito/Android/Sdk/cmake/3.6.3155560/bin/cmake' with arguments {--build /home/tito/AndroidStudioProjects/JNItest/app/.externalNativeBuild/cmake/debug/armeabi --target native-lib}
    
[1/2] Building CXX object CMakeFiles/native-lib.dir/src/main/cpp/native-lib.cpp.o
    
[2/2] Linking CXX shared library ../../../../build/intermediates/cmake/debug/obj/armeabi/libnative-lib.so
    
FAILED: : &amp;&amp; /home/tito/Android/Sdk/ndk-bundle/toolchains/llvm/prebuilt/linux-x86_64/bin/clang++  -target armv5te-none-linux-androideabi -gcc-toolchain /home/tito/Android/Sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64 --sysroot=/home/tito/Android/Sdk/ndk-bundle/platforms/android-19/arch-arm -fPIC -g -DANDROID -ffunction-sections -funwind-tables -fstack-protector-strong -no-canonical-prefixes -march=armv5te -mtune=xscale -msoft-float -fno-integrated-as -mthumb -Wa,--noexecstack -Wformat -Werror=format-security -fno-exceptions -fno-rtti -g -DANDROID -ffunction-sections -funwind-tables -fstack-protector-strong -no-canonical-prefixes -march=armv5te -mtune=xscale -msoft-float -fno-integrated-as -mthumb -Wa,--noexecstack -Wformat -Werror=format-security -fno-exceptions -fno-rtti -frtti -fexceptions -O0 -fno-limit-debug-info -O0 -fno-limit-debug-info  -Wl,--build-id -Wl,--warn-shared-textrel -Wl,--fatal-warnings -Wl,--no-undefined -Wl,-z,noexecstack -Qunused-arguments -Wl,-z,relro -Wl,-z,now -Wl,--build-id -Wl,--warn-shared-textrel -Wl,--fatal-warnings -Wl,--no-undefined -Wl,-z,noexecstack -Qunused-arguments -Wl,-z,relro -Wl,-z,now -shared -Wl,-soname,libnative-lib.so -o ../../../../build/intermediates/cmake/debug/obj/armeabi/libnative-lib.so CMakeFiles/native-lib.dir/src/main/cpp/native-lib.cpp.o  /home/tito/Android/Sdk/ndk-bundle/platforms/android-19/arch-arm/usr/lib/liblog.so ../../../../src/main/jniLibs/armeabi/libavutil-55.so ../../../../src/main/jniLibs/armeabi/libswscale-4.so ../../../../src/main/jniLibs/armeabi/libswresample-2.so ../../../../src/main/jniLibs/armeabi/libavcodec-57.so ../../../../src/main/jniLibs/armeabi/libavfilter-6.so ../../../../src/main/jniLibs/armeabi/libavformat-57.so ../../../../src/main/jniLibs/armeabi/libavdevice-57.so -lm "/home/tito/Android/Sdk/ndk-bundle/sources/cxx-stl/gnu-libstdc++/4.9/libs/armeabi/libgnustl_static.a" "-latomic" &amp;&amp; :
    
/home/tito/AndroidStudioProjects/JNItest/app/src/main/cpp/native-lib.cpp:18: error: undefined reference to 'av_init_packet(AVPacket*)'
    
clang++: error: linker command failed with exit code 1 (use -v to see invocation)
    
ninja: build stopped: subcommand failed.
    

    
    at org.gradle.internal.UncheckedException.throwAsUncheckedException(UncheckedException.java:45)
    
    at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:78)
    
    at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.doExecute(AnnotationProcessingTaskFactory.java:228)
    
    at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.execute(AnnotationProcessingTaskFactory.java:221)
    
    at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.execute(AnnotationProcessingTaskFactory.java:210)
    
    at org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:621)
    
    at org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:604)
    
    at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:80)
    
    at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:61)
    
    ... 70 more
    
Caused by: Build command failed.
    
Error while executing '/home/tito/Android/Sdk/cmake/3.6.3155560/bin/cmake' with arguments {--build /home/tito/AndroidStudioProjects/JNItest/app/.externalNativeBuild/cmake/debug/armeabi --target native-lib}
    
[1/2] Building CXX object CMakeFiles/native-lib.dir/src/main/cpp/native-lib.cpp.o
    
[2/2] Linking CXX shared library ../../../../build/intermediates/cmake/debug/obj/armeabi/libnative-lib.so
    
FAILED: : &amp;&amp; /home/tito/Android/Sdk/ndk-bundle/toolchains/llvm/prebuilt/linux-x86_64/bin/clang++  -target armv5te-none-linux-androideabi -gcc-toolchain /home/tito/Android/Sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64 --sysroot=/home/tito/Android/Sdk/ndk-bundle/platforms/android-19/arch-arm -fPIC -g -DANDROID -ffunction-sections -funwind-tables -fstack-protector-strong -no-canonical-prefixes -march=armv5te -mtune=xscale -msoft-float -fno-integrated-as -mthumb -Wa,--noexecstack -Wformat -Werror=format-security -fno-exceptions -fno-rtti -g -DANDROID -ffunction-sections -funwind-tables -fstack-protector-strong -no-canonical-prefixes -march=armv5te -mtune=xscale -msoft-float -fno-integrated-as -mthumb -Wa,--noexecstack -Wformat -Werror=format-security -fno-exceptions -fno-rtti -frtti -fexceptions -O0 -fno-limit-debug-info -O0 -fno-limit-debug-info  -Wl,--build-id -Wl,--warn-shared-textrel -Wl,--fatal-warnings -Wl,--no-undefined -Wl,-z,noexecstack -Qunused-arguments -Wl,-z,relro -Wl,-z,now -Wl,--build-id -Wl,--warn-shared-textrel -Wl,--fatal-warnings -Wl,--no-undefined -Wl,-z,noexecstack -Qunused-arguments -Wl,-z,relro -Wl,-z,now -shared -Wl,-soname,libnative-lib.so -o ../../../../build/intermediates/cmake/debug/obj/armeabi/libnative-lib.so CMakeFiles/native-lib.dir/src/main/cpp/native-lib.cpp.o  /home/tito/Android/Sdk/ndk-bundle/platforms/android-19/arch-arm/usr/lib/liblog.so ../../../../src/main/jniLibs/armeabi/libavutil-55.so ../../../../src/main/jniLibs/armeabi/libswscale-4.so ../../../../src/main/jniLibs/armeabi/libswresample-2.so ../../../../src/main/jniLibs/armeabi/libavcodec-57.so ../../../../src/main/jniLibs/armeabi/libavfilter-6.so ../../../../src/main/jniLibs/armeabi/libavformat-57.so ../../../../src/main/jniLibs/armeabi/libavdevice-57.so -lm "/home/tito/Android/Sdk/ndk-bundle/sources/cxx-stl/gnu-libstdc++/4.9/libs/armeabi/libgnustl_static.a" "-latomic" &amp;&amp; :
    
/home/tito/AndroidStudioProjects/JNItest/app/src/main/cpp/native-lib.cpp:18: error: undefined reference to 'av_init_packet(AVPacket*)'
    
clang++: error: linker command failed with exit code 1 (use -v to see invocation)
    
ninja: build stopped: subcommand failed.
    

    
    at com.android.build.gradle.tasks.ExternalNativeBuildTaskUtils.executeBuildProcessAndLogError(ExternalNativeBuildTaskUtils.java:233)
    
    at com.android.build.gradle.tasks.ExternalNativeBuildTask.executeProcessBatch(ExternalNativeBuildTask.java:231)
    
    at com.android.build.gradle.tasks.ExternalNativeBuildTask.build(ExternalNativeBuildTask.java:163)
    
    at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:75)
    
    ... 77 more
    

    

    
BUILD FAILED
    

    
Total time: 0.723 secs

    Can anyone tell me what I’m doing wrong here ?

  • avutil/imgutils : Add wrapper for av_image_copy() to avoid casts

    6 septembre 2023, par Andreas Rheinhardt
    avutil/imgutils : Add wrapper for av_image_copy() to avoid casts

    av_image_copy() accepts const uint8_t* const * as source ;
    
lots of user have uint8_t* const * and therefore either
    
cast (the majority) or copy the array of pointers.
    

    This commit changes this by adding a static inline wrapper
    
for av_image_copy() that casts between the two types
    
so that we do not need to add casts everywhere else.
    

    Signed-off-by : Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
    • [DH] doc/APIchanges
    • [DH] doc/examples/demux_decode.c
    • [DH] libavcodec/amfenc.c
    • [DH] libavcodec/libkvazaar.c
    • [DH] libavcodec/libopenh264dec.c
    • [DH] libavcodec/libvpxdec.c
    • [DH] libavcodec/mediacodecenc.c
    • [DH] libavcodec/mmaldec.c
    • [DH] libavcodec/nuv.c
    • [DH] libavcodec/nvenc.c
    • [DH] libavcodec/omx.c
    • [DH] libavcodec/v210dec.c
    • [DH] libavdevice/xv.c
    • [DH] libavfilter/lavfutils.c
    • [DH] libavfilter/vf_framepack.c
    • [DH] libavfilter/vf_pullup.c
    • [DH] libavfilter/yadif_common.c
    • [DH] libavutil/frame.c
    • [DH] libavutil/hwcontext_d3d11va.c
    • [DH] libavutil/hwcontext_dxva2.c
    • [DH] libavutil/imgutils.h
    • [DH] libavutil/version.h

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