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• Encoder/Decoder PCM to AMR Android

  2 mars 2013, par Syred

  I've been looking for a while now for any java library that allows me to encode and decode a PCM-AMR audio stream that is sent through a TCP socket connection. Without having to use Android's JNI.

  Is there anything that can help me ?

  In the worst case scenario. How can I do it using any C++ library with JNI ? (any reference of how to use ffmpeg with JNI will be appreciated)

  Hope you can help me.

• Encoder/Decoder PCM to AMR Android

  6 novembre 2017, par ElHacker

  I’ve been looking for a while now for any java library that allows me to encode and decode a PCM-AMR audio stream that is sent through a TCP socket connection. Without having to use Android’s JNI.

  Is there anything that can help me ?

  In the worst case scenario. How can I do it using any C++ library with JNI ? (any reference of how to use ffmpeg with JNI will be appreciated)

  Hope you can help me.

• FFMPEG with Gradle Experimental Android plugin

  12 avril 2016, par Spartan

  I extracted ffmpeg in ndk’s source folder then compiled it there only for that I followed this :http://www.roman10.net/2013/08/18/how-to-build-ffmpeg-with-ndk-r9/

  So I successfully(generated android folder with arm/lib and arm/include files).

  After that I created one Android.mk file in $NDK/sources/ffmpeg/android/arm and one Android.mk in my android project(src/main/jni folder).

  My src/main/jni/Android.mk is like this :

  LOCAL_PATH := $(call my-dir)
  
  
  
  include $(CLEAR_VARS)
  
  
  
  LOCAL_MODULE    := tutorial01
  
  LOCAL_SRC_FILES := tutorial01.c
  
  LOCAL_LDLIBS := -llog -ljnigraphics -lz
  
  LOCAL_SHARED_LIBRARIES := libavformat libavcodec libswscale libavutil
  
  
  
  include $(BUILD_SHARED_LIBRARY)
  
  $(call import-module,ffmpeg-3.0.1/android/arm)

  Now I stuck here and trying to put these details in build.gradle files like showing in this documentation :
  http://tools.android.com/tech-docs/new-build-system/gradle-experimental

  for example :

  model {
  
  
  
      repositories {
  
  
  
          libs(PrebuiltLibraries) {
  
  
  
              prebuilt {
  
  
  
                  headers.srcDir "path/to/headers"
  
  
  
                  binaries.withType(SharedLibraryBinary) {
  
  
  
                      sharedLibraryFile = file("lib/${targetPlatform.getName()}/prebuilt.so")
  
  
  
                  }
  
  
  
              }
  
  
  
          }
  
  
  
      }
  
  
  
      android.sources {
  
          main {
  
              jniLibs {
  
                  dependencies {
  
                      library "prebuilt"
  
                  }
  
              }
  
          }
  
      }
  
  }

  But not able transform exact Android.mk(src/main/jni) to this and apart from it I have one more Android.mk in my android/arm folder so how I can call this makefile or should I put that details also in my build.gradle like above.

  I tried like this and using ndk-build command successfully generated jniLibs with .so files but I am getting libavcodec/avcodec.h : No such file or directory while building project.

  android.sources {
  
      main {
  
          jni {
  
              source {
  
                  srcDirs = ['src/main/myJni']
  
              }
  
  
  
          }
  
  
  
      }
  
  
  
      main {
  
          jniLibs {
  
              source {
  
                  srcDirs = ['src/main/libs']
  
              }
  
          }
  
      }
  
  
  
  }