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  • trouble compiling ffmpeg library and converter class

    24 février 2013, par user2104126

    I am using this project as a reference : The code is avaiable at http://roman10.net/src/affmpeg.zip.

    I am trying to compile this project with ffmpeg with different configuration than the project suggests.
    I've compiled a new libffmpeg.so and added it to the project.
    However, now i'm getting an "UnsatisfiedLinkError"

    02-24 11:05:45.644: D/dalvikvm(11363): Trying to load lib /data/data/roman10.media.ffmpeg/lib/libffmpeg.so 0x47b0ec70
    02-24 11:05:45.680: D/dalvikvm(11363): Added shared lib /data/data/roman10.media.ffmpeg/lib/libffmpeg.so 0x47b0ec70
    02-24 11:05:45.680: D/dalvikvm(11363): No JNI_OnLoad found in /data/data/roman10.media.ffmpeg/lib/libffmpeg.so 0x47b0ec70, skipping init
    02-24 11:05:45.684: D/dalvikvm(11363): Trying to load lib /data/data/roman10.media.ffmpeg/lib/libconverter.so 0x47b0ec70
    02-24 11:05:45.687: I/dalvikvm(11363): Unable to dlopen(/data/data/roman10.media.ffmpeg/lib/libconverter.so): Cannot load library: link_image[1995]: failed to link libconverter.so
    02-24 11:05:45.687: W/dalvikvm(11363): Exception Ljava/lang/UnsatisfiedLinkError; thrown during Lroman10/media/ffmpeg/ffmpegService;.<clinit>
    02-24 11:05:45.687: W/dalvikvm(11363): Class init failed in newInstance call (Lroman10/media/ffmpeg/ffmpegService;)
    02-24 11:05:45.687: D/AndroidRuntime(11363): Shutting down VM
    02-24 11:05:45.687: W/dalvikvm(11363): threadid=1: thread exiting with uncaught exception (group=0x4001d7d0)
    02-24 11:05:45.695: E/AndroidRuntime(11363): FATAL EXCEPTION: main
    02-24 11:05:45.695: E/AndroidRuntime(11363): java.lang.ExceptionInInitializerError
    02-24 11:05:45.695: E/AndroidRuntime(11363):    at java.lang.Class.newInstanceImpl(Native Method)
    02-24 11:05:45.695: E/AndroidRuntime(11363):    at java.lang.Class.newInstance(Class.java:1429)
    02-24 11:05:45.695: E/AndroidRuntime(11363):    at android.app.ActivityThread.handleCreateService(ActivityThread.java:2940)
    02-24 11:05:45.695: E/AndroidRuntime(11363):    at android.app.ActivityThread.access$3300(ActivityThread.java:125)
    02-24 11:05:45.695: E/AndroidRuntime(11363):    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2087)
    02-24 11:05:45.695: E/AndroidRuntime(11363):    at android.os.Handler.dispatchMessage(Handler.java:99)
    02-24 11:05:45.695: E/AndroidRuntime(11363):    at android.os.Looper.loop(Looper.java:123)
    02-24 11:05:45.695: E/AndroidRuntime(11363):    at android.app.ActivityThread.main(ActivityThread.java:4627)
    02-24 11:05:45.695: E/AndroidRuntime(11363):    at java.lang.reflect.Method.invokeNative(Native Method)
    02-24 11:05:45.695: E/AndroidRuntime(11363):    at java.lang.reflect.Method.invoke(Method.java:521)
    02-24 11:05:45.695: E/AndroidRuntime(11363):    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:871)
    02-24 11:05:45.695: E/AndroidRuntime(11363):    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:629)
    02-24 11:05:45.695: E/AndroidRuntime(11363):    at dalvik.system.NativeStart.main(Native Method)
    02-24 11:05:45.695: E/AndroidRuntime(11363): Caused by: java.lang.UnsatisfiedLinkError: Library converter not found
    02-24 11:05:45.695: E/AndroidRuntime(11363):    at java.lang.Runtime.loadLibrary(Runtime.java:461)
    02-24 11:05:45.695: E/AndroidRuntime(11363):    at java.lang.System.loadLibrary(System.java:557)
    02-24 11:05:45.695: E/AndroidRuntime(11363):    at roman10.media.ffmpeg.ffmpegService.<clinit>(ffmpegService.java:123)
    </clinit></clinit>

    I decided to recompile the converter.so file
    however, when running the ndk-build command on it, i receive these messages :

    c:\Users\user\workspace\Main\jni>c:\work\android-ndk-r8d\ndk-build
    c:/android-ndk-r8d/build/core/build-binary.mk:266: warning: overriding comm
    ands for target `c:/Users/user/workspace/Main//obj/local/armeabi/objs/converter&#39;

    c:/android-ndk-r8d/build/core/build-binary.mk:266: warning: ignoring old co
    mmands for target `c:/Users/user/workspace/Main//obj/local/armeabi/objs/converte
    r&#39;
    c:/android-ndk-r8d/build/core/build-binary.mk:266: warning: overriding comm
    ands for target `c:/Users/user/workspace/Main//obj/local/armeabi/objs/converter&#39;

    c:/android-ndk-r8d/build/core/build-binary.mk:266: warning: ignoring old co
    mmands for target `c:/Users/user/workspace/Main//obj/local/armeabi/objs/converte
    r&#39;
    c:/android-ndk-r8d/build/core/build-binary.mk:357: warning: overriding comm
    ands for target `c:/Users/user/workspace/Main//obj/local/armeabi&#39;
    c:/android-ndk-r8d/build/core/build-binary.mk:357: warning: ignoring old co
    mmands for target `c:/Users/user/workspace/Main//obj/local/armeabi&#39;
    c:/android-ndk-r8d/build/core/build-binary.mk:439: warning: overriding comm
    ands for target `c:/Users/user/workspace/Main//libs/armeabi&#39;
    c:/android-ndk-r8d/build/core/build-binary.mk:439: warning: ignoring old co
    mmands for target `c:/Users/user/workspace/Main//libs/armeabi&#39;
    c:/android-ndk-r8d/build/core/build-binary.mk:357: warning: overriding comm
    ands for target `c:/Users/user/workspace/Main//obj/local/armeabi&#39;
    c:/android-ndk-r8d/build/core/build-binary.mk:357: warning: ignoring old co
    mmands for target `c:/Users/user/workspace/Main//obj/local/armeabi&#39;
    "Compile thumb : converter &lt;= cmdutils.c
    c:/Users/user/workspace/Main//jni/cmdutils.c:32:34: fatal error: libavformat/avf
    ormat.h: No such file or directory
    compilation terminated.
    make: *** [c:/Users/user/workspace/Main//obj/local/armeabi/objs/converter/cmduti
    ls.o] Error 1

    What can I do to fix this, and make it work ?