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• compile ffmpeg report "libprotokit.a : No such file or directory"

  5 juillet 2022, par razvan

  On kubuntu 21.04 I successfully compiled ffmpeg from latest snapshot.

  


  Now I try to add "—enable-libzmq" to configure command :

  


  PATH="$HOME/.ffmpeg/bin:$PATH" PKG_CONFIG_PATH="$HOME/.ffmpeg/build/lib/pkgconfig" ./configure \
  --prefix="$HOME/.ffmpeg/build" \
  --pkg-config-flags="--static" \
  --extra-cflags="-I$HOME/.ffmpeg/build/include" \
  --extra-ldflags="-L$HOME/.ffmpeg/build/lib" \
  --extra-libs="-lpthread -lm" \
  --ld="g++" \
  --bindir="$HOME/.ffmpeg/bin" \
  --extra-version="...." \
  --arch=x86_64 \
  --enable-gpl \
  --enable-version3 \
...
  --enable-libxml2 \
  --enable-lv2 \
  --enable-libxcb \
  --enable-libxcb-shm \
  --enable-libzmq \
  --enable-nonfree  && \
PATH="$HOME/.ffmpeg/bin:$PATH" make -j4 && \
make install


  


  and configure end with this error in config.log :

  


  require_pkg_config libzmq libzmq >= 4.2.1 zmq.h zmq_ctx_new
check_pkg_config libzmq libzmq >= 4.2.1 zmq.h zmq_ctx_new
test_pkg_config libzmq libzmq >= 4.2.1 zmq.h zmq_ctx_new
pkg-config --exists --print-errors libzmq >= 4.2.1
check_func_headers zmq.h zmq_ctx_new -isystem /usr/include/mit-krb5 -I/usr/include/pgm-5.3 -I/usr/include/libxml2 -L/usr/lib/x86_64-linux-gnu/mit-krb5 -lzmq -lstdc++ -lpthread -lrt -lgssapi_krb5 -lkrb5 -lk5crypto -lcom_err -lkrb5support -lsodium -pthread -lpgm -lpthread -lm -lnorm libprotokit.a -lxml2 -licui18n -licuuc -licudata -lz -llzma -lm -lbsd -ldl -lmd
test_ld cc -isystem /usr/include/mit-krb5 -I/usr/include/pgm-5.3 -I/usr/include/libxml2 -L/usr/lib/x86_64-linux-gnu/mit-krb5 -lzmq -lstdc++ -lpthread -lrt -lgssapi_krb5 -lkrb5 -lk5crypto -lcom_err -lkrb5support -lsodium -pthread -lpgm -lpthread -lm -lnorm libprotokit.a -lxml2 -licui18n -licuuc -licudata -lz -llzma -lm -lbsd -ldl -lmd
test_cc -isystem /usr/include/mit-krb5 -I/usr/include/pgm-5.3 -I/usr/include/libxml2 -L/usr/lib/x86_64-linux-gnu/mit-krb5 -pthread libprotokit.a
BEGIN /tmp/ffconf.AIehU3Rh/test.c
    1   #include 
    2   #include 
    3   long check_zmq_ctx_new(void) { return (long) zmq_ctx_new; }
    4   int main(void) { int ret = 0;
    5    ret |= ((intptr_t)check_zmq_ctx_new) & 0xFFFF;
    6   return ret; }
END /tmp/ffconf.AIehU3Rh/test.c
gcc -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -DPIC -I/home/raz/.ffmpeg/build/include -std=c11 -fomit-frame-pointer -fPIC -pthread -I/usr/include/p11-kit-1 -I/usr/include/lilv-0 -I/usr/include/sratom-0 -I/usr/include/sord-0 -I/usr/include/serd-0 -I/usr/include/uuid -I/usr/include/harfbuzz -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/usr/include/fribidi -I/usr/include/freetype2 -I/usr/include/libpng16 -I/home/raz/.ffmpeg/build/include -I/usr/include/uuid -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/openjpeg-2.3 -I/home/raz/.ffmpeg/build/include/opus -I/home/raz/.ffmpeg/build/include/opus -D_REENTRANT -pthread -I/home/raz/.ffmpeg/build/include/libvmaf -I/home/raz/.ffmpeg/build/include -I/home/raz/.ffmpeg/build/include -I/home/raz/.ffmpeg/build/include -I/home/raz/.ffmpeg/build/include -I/home/raz/.ffmpeg/build/include -I/home/raz/.ffmpeg/build/include -isystem /usr/include/mit-krb5 -I/usr/include/pgm-5.3 -I/usr/include/libxml2 -L/usr/lib/x86_64-linux-gnu/mit-krb5 -pthread libprotokit.a -c -o /tmp/ffconf.AIehU3Rh/test.o /tmp/ffconf.AIehU3Rh/test.c
gcc: error: libprotokit.a: No such file or directory
ERROR: libzmq >= 4.2.1 not found using pkg-config


  


  libzmq3-dev is installed and
  
I have this libprotokit.a in
  
/usr/lib/x86_64-linux-gnu/libprotokit.a

  


  Why configure does not find this library ?

  


  libzmq.pc exist on the machine

  


  dpkg -L libzmq3-dev|grep pc
/usr/lib/x86_64-linux-gnu/pkgconfig/libzmq.pc

cat /usr/lib/x86_64-linux-gnu/pkgconfig/libzmq.pc 

prefix=/usr
exec_prefix=${prefix}
libdir=${prefix}/lib/x86_64-linux-gnu
includedir=${prefix}/include

Name: libzmq
Description: 0MQ c++ library
Version: 4.3.4
Libs: -L${libdir} -lzmq
Libs.private: -lstdc++  -lpthread -lrt
Requires.private:  krb5-gssapi libsodium openpgm-5.3 >= 5.3 norm libbsd
Cflags: -I${includedir} 


  


• iOS Recorded Video Playback on Android

  1er mars 2015, par Nirav

  I am trying to record video from iPhone device using UIImagePickerController and able to store it in MP4 format. The same video is uploaded on the Amazon S3 cloud.

  When I try to play the same video on Android devices, it fails to play with an error, cannot play.

  I searched forums/google and found that ffmpeg should be used to compress the video before uploading. I want to do the compression on the phone itself rather than on the server. Which is the best way to achieve this ?

  Regards,

  Nirav

• Command build failed ndk

  1er janvier 2021, par ALI RAZA

  I want to integrate ffmpeg lib in my android app . So i am using ndk ,but i am stuck on this issue,I dont know why the error is appearing ,Thanks in advance ;

  


  It is the gradle code that i am using in my app and also the ffmpeg-android-maker path is provided

  


  plugins {
id 'com.android.application'


  


  


  android 
compileSdkVersion 30
buildToolsVersion "30.0.3"

  


  defaultConfig {
    applicationId "com.reactive.myapplication"
    minSdkVersion 16
    targetSdkVersion 30
    versionCode 1
    versionName "1.0"

    testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    externalNativeBuild {
        cmake {
            cppFlags ""
        }
    }
}
flavorDimensions "market"
productFlavors {
    google {
        dimension "market"
        ndk {
            // Since the App Bundle is used, there is no problem in packaging all these ABIs
            abiFilters 'x86', 'x86_64', 'armeabi-v7a', 'arm64-v8a'
        }
    }
    amazon {
        dimension "market"
        applicationIdSuffix ".amzn"
        ndk {
            // Amazon Appstore doesn't support multiple APKs for non-Amazon devices.
            // There is no point in x86 support here, as the majority of devices with the
            // Amazon Appstore are ARM-based. And it seems to be a common practice for other
            // apps in this market.
            abiFilters 'armeabi-v7a'
        }
    }
    huawei {
        dimension "market"
        applicationIdSuffix ".huawei"
        ndk {
            // Huawei App Gallery supports App Bundle format
            abiFilters 'x86', 'x86_64', 'armeabi-v7a', 'arm64-v8a'
        }
    }
}
sourceSets {
    main {
        // let gradle pack the shared library into the apk
        jniLibs.srcDirs = ['../ffmpeg-android-maker/output/lib']
    }
}

bundle {
    language {
        enableSplit = true
    }
    density {
        enableSplit = true
    }
    abi {
        enableSplit = true
    }
}

buildTypes {
    release {
        minifyEnabled false
        proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
    }
}
externalNativeBuild {
    cmake {
        path "src/main/cpp/CMakeLists.txt"
        version "3.10.2"
    }
}
compileOptions {
    sourceCompatibility JavaVersion.VERSION_1_8

    targetCompatibility JavaVersion.VERSION_1_8
}


  


  


  dependencies

  


  implementation 'androidx.appcompat:appcompat:1.1.0'
implementation 'com.google.android.material:material:1.1.0'
implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
testImplementation 'junit:junit:4.+'
androidTestImplementation 'androidx.test.ext:junit:1.1.1'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'


  


  


  And It is cmake ,


  


  And this is error i am facing :
Build command failed.
Error while executing process /home/ali/Android/Sdk/cmake/3.10.2.4988404/bin/ninja with arguments -C /home/ali/AndroidStudioProjects/FfmpegApp/app/.cxx/cmake/amazonDebug/armeabi-v7a native-lib
ninja : Entering directory `/home/ali/AndroidStudioProjects/FfmpegApp/app/.cxx/cmake/amazonDebug/armeabi-v7a'

  


  ninja : error : '/home/ali/AndroidStudioProjects/FfmpegApp/app/src/main/ffmpeg-android-maker/output/lib/armeabi-v7a/libavutil.so', needed by '/home/ali/AndroidStudioProjects/FfmpegApp/app/build/intermediates/cmake/amazonDebug/obj/armeabi-v7a/libnative-lib.so', missing and no known rule to make it