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• Unknown encoder 'libx264' in flutter android app

  17 juillet 2023, par ololo

  I am trying to use libx264 via ffmpeg_kit_flutter with full-gpl options in my Flutter app. However, when I start the app on Android, I keep getting the error :

  


  "Unknown encoder 'libx264'."

  


  Here is my current setup :

  


  In android/build.gradle file :

  


  buildscript {
    ext {
        ffmpegKitPackage = "full-gpl" // Notice I specified the option here
        kotlin_version = '1.8.0'
    }

    repositories {
        google()
        mavenCentral()
    }
    // .....
}


  


  In android/app/build.gradle file :

  


  android {
    compileSdkVersion 33

    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }

    packagingOptions { 
        // I specified the libx264 in this packageOptions block
        pickFirst 'lib/x86_64/libx264.so'
        pickFirst 'lib/arm64-v8a/libx264.so'
        pickFirst 'lib/armeabi-v7a/libx264.so'
        pickFirst 'lib/x86/libx264.so'
    }
}


  


  In pubspec.yaml file :

  


  dependencies:
  ffmpeg_kit_flutter: ^5.1.0


  


  What could be the issue causing the "Unknown encoder 'libx264'" error ? Any help would be appreciated. Thank you !

  


• How to import FFmpeg files to Android project

  16 décembre 2019, par Antony

  I followed this https://proandroiddev.com/a-story-about-ffmpeg-in-android-part-i-compilation-898e4a249422 guide to build FFmpeg for Android. I ended up having 4 directories. Which of these do I need to paste on my project folder ? Also, where should I place them ? Inside app directory ?

  

  I’m aware Gradle also need some configuration but the guide above provides information about it.

• Android Ndk & FFMPEG - Not able to compile on ubuntu x86

  18 février 2015, par Palak Darji

  I am following this :
  roman10’s android ndk r9d - ffmpeg tutorial
  I am able to run build_android.sh script.. but its not creating that ‘android’ folder in my source/ffmpeg folder !!
  what should I do ? Plz help me.

  Another Doubt : The thing ‘arm’ in that .sh file is supposed to be changed according to machine env ???? If that is the case, can you guide us for x86 ???

  my build_android.sh file :

  #!/bin/bash
  
  NDK=/home/NDK/android-ndk-r9d
  
  SYSROOT=$NDK/platforms/android-19/arch-arm/
  
  TOOLCHAIN=$NDK/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-arm
  
  function build_one
  
  {
  
  sudo ./configure \
  
      --target-os=linux \
  
      --prefix=$PREFIX \
  
      --enable-shared \
  
      --disable-static \
  
      --disable-doc \
  
      --disable-ffmpeg \
  
      --disable-ffplay \
  
      --disable-ffprobe \
  
      --disable-ffserver \
  
      --disable-avdevice \
  
      --disable-doc \
  
      --disable-symver \
  
      --cross-prefix=$TOOLCHAIN/bin/arm-linux-androideabi- \
  
      --arch=arm \
  
      --enable-cross-compile \
  
      --sysroot=$SYSROOT \
  
      --extra-cflags="-Os -fpic $ADDI_CFLAGS" \
  
      --extra-ldflags="$ADDI_LDFLAGS" \
  
      $ADDITIONAL_CONFIGURE_FLAG
  
  make clean
  
  make
  
  make install
  
  }
  
  CPU=i686
  
  PREFIX=$(pwd)/android/$CPU 
  
  ADDI_CFLAGS="-marm"
  
  build_one

  I am using Ndk r10, ffmpeg 2.5.4, ubuntu x86.

  Thanks for ur time.

  Palak.