3
我使用這個項目作爲參考：該代碼可在http://roman10.net/src/affmpeg.zip。故障編譯ffmpeg庫和轉換器類
我想用ffmpeg編譯這個項目，其配置與項目建議的不同。 我編譯了一個新的libffmpeg.so並將其添加到項目中。 不過，現在我得到一個「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)
我決定重新編譯converter.so文件 然而，運行在其上的NDK-build命令時，我收到這些消息：
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'
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'
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'
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'
c:/android-ndk-r8d/build/core/build-binary.mk:357: warning: overriding comm
ands for target `c:/Users/user/workspace/Main//obj/local/armeabi'
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'
c:/android-ndk-r8d/build/core/build-binary.mk:439: warning: overriding comm
ands for target `c:/Users/user/workspace/Main//libs/armeabi'
c:/android-ndk-r8d/build/core/build-binary.mk:439: warning: ignoring old co
mmands for target `c:/Users/user/workspace/Main//libs/armeabi'
c:/android-ndk-r8d/build/core/build-binary.mk:357: warning: overriding comm
ands for target `c:/Users/user/workspace/Main//obj/local/armeabi'
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'
"Compile thumb : converter <= 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
我能做些什麼來解決這個問題，並使其工作？