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Android.media.MediaExtractor. Has anyone made this beast work? The exception "Exclude the extractor instance" is excluded

Trying to run this (sample code from developer.android.com)

MediaExtractor extractor = new MediaExtractor(); extractor.setDataSource("/sdcard/myvideo.mp4");

Getting the Exclude Instance Instance exception on the second line. I tried to put the file in the internal storage, tried to access through FileDescriptor, nothing helped.

Is anyone ??

 I/MonoDroid( 6802): UNHANDLED EXCEPTION: Java.IO.IOException: Exception of type 'Java.IO.IOException' was thrown. I/MonoDroid( 6802): at Android.Runtime.JNIEnv.CallVoidMethod (intptr,intptr,Android.Runtime.JValue[]) [0x00023] in /Users/builder/data/lanes/monodroid-mac-monodroid-4.4-series/c6e52015/source/monodroid/src/Mono.Android/src/Runtime/JNIEnv.g.cs:368 I/MonoDroid( 6802): at Android.Media.MediaExtractor.SetDataSource (Java.IO.FileDescriptor) [0x0002d] in /Users/builder/data/lanes/monodroid-mac-monodroid-4.4-series/c6e52015/source/monodroid/src/Mono.Android/platforms/android-16/src/generated/Android.Media.MediaExtractor.cs:206 I/MonoDroid( 6802): at AndroidApplication1.Activity1.ExtractVideo () [0x0001e] in c:\Users\pka\Documents\Visual Studio 2012\Projects\AndroidApplication1\AndroidApplication1\Activity1.cs:64 I/MonoDroid( 6802): at AndroidApplication1.Activity1.<OnCreate>b__2 (object,System.EventArgs) [0x00001] in c:\Users\pka\Documents\Visual Studio 2012\Projects\AndroidApplication1\AndroidApplication1\Activity1.cs:53 I/MonoDroid( 6802): at Android.Views.View/IOnClickListenerImplementor.OnClick (Android.Views.View) [0x0000b] in /Users/builder/data/lanes/monodroid-mac-monodroid-4.4-series/c6e52015/source/monodroid/src/Mono.Android/platforms/android-16/src/generated/Android.Views.View.cs:1382 I/MonoDroid( 6802): at Android.Views.View/IOnClickListenerInvoker.n_OnClick_Landroid_view_View_ (intptr,intptr,intptr) [0x00010] in /Users/builder/data/lanes/monodroid-mac-monodroid-4.4-series/c6e52015/source/monodroid/src/Mono.Android/platforms/android-16/src/generated/Android.Views.View.cs:1353 I/MonoDroid( 6802): at (wrapper dynamic-method) object.0b69082c-1c66-4fd6-89c4-1d14273d4245 (intptr,intptr,intptr) <IL 0x00017, 0x00043> I/MonoDroid( 6802): I/MonoDroid( 6802): --- End of managed exception stack trace --- I/MonoDroid( 6802): java.io.IOException: Failed to instantiate extractor. I/MonoDroid( 6802): at android.media.MediaExtractor.setDataSource(Native Method) I/MonoDroid( 6802): at android.media.MediaExtractor.setDataSource(MediaExtractor.java:158) I/MonoDroid( 6802): at mono.android.view.View_OnClickListenerImplementor.n_onClick(Native Method) I/MonoDroid( 6802): at mono.android.view.View_OnClickListenerImplementor.onClick(View_OnClickListenerImplementor.java:29) I/MonoDroid( 6802): at android.view.View.performClick(View.java:4211) I/MonoDroid( 6802): at android.view.View$PerformClick.run(View.java:17267) I/MonoDroid( 6802): at android.os.Handler.handleCallback(Handler.java:615) I/MonoDroid( 6802): at android.os.Handler.dispatchMessage(Handler.java:92) I/MonoDroid( 6802): at android.os.Looper.loop(Looper.java:137) I/MonoDroid( 6802): at android.app.ActivityThread.main(ActivityThread.java:4898) I/MonoDroid( 6802): at java.lang.reflect.Method.invokeNative(Native Method) I/MonoDroid( 6802): at java.lang.reflect.Method.invoke(Method.java:511) I/MonoDroid( 6802): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1006) I/MonoDroid( 6802): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:773) I/MonoDroid( 6802): at dalvik.system.NativeStart.main(Native Method) W/dalvikvm( 6802): JNI WARNING: JNI method called with exception pending W/dalvikvm( 6802): in Lmono/android/view/View_OnClickListenerImplementor;.n_onClick:(Landroid/view/View;)V (CallObjectMethod) W/dalvikvm( 6802): Pending exception is: I/dalvikvm( 6802): java.io.IOException: Failed to instantiate extractor. I/dalvikvm( 6802): (raw stack trace not found) I/dalvikvm( 6802): "main" prio=5 tid=1 NATIVE I/dalvikvm( 6802): | group="main" sCount=0 dsCount=0 obj=0x41094508 self=0x40e6f9a0 I/dalvikvm( 6802): | sysTid=6802 nice=0 sched=0/0 cgrp=apps handle=1074282288 I/dalvikvm( 6802): | schedstat=( 1587575495 261759711 782 ) utm=108 stm=50 core=3 I/dalvikvm( 6802): #00 pc 00001260 /system/lib/libcorkscrew.so (unwind_backtrace_thread+27) I/dalvikvm( 6802): #01 pc 0005f904 /system/lib/libdvm.so (dvmDumpNativeStack(DebugOutputTarget const*, int)+35) I/dalvikvm( 6802): #02 pc 000537ac /system/lib/libdvm.so (dvmDumpThreadEx(DebugOutputTarget const*, Thread*, bool)+303) I/dalvikvm( 6802): #03 pc 00053846 /system/lib/libdvm.so (dvmDumpThread(Thread*, bool)+25) I/dalvikvm( 6802): #04 pc 00038e02 /system/lib/libdvm.so I/dalvikvm( 6802): #05 pc 00040f60 /system/lib/libdvm.so I/dalvikvm( 6802): at mono.android.view.View_OnClickListenerImplementor.n_onClick(Native Method) I/dalvikvm( 6802): at mono.android.view.View_OnClickListenerImplementor.onClick(View_OnClickListenerImplementor.java:29) I/dalvikvm( 6802): at android.view.View.performClick(View.java:4211) I/dalvikvm( 6802): at android.view.View$PerformClick.run(View.java:17267) I/dalvikvm( 6802): at android.os.Handler.handleCallback(Handler.java:615) I/dalvikvm( 6802): at android.os.Handler.dispatchMessage(Handler.java:92) I/dalvikvm( 6802): at android.os.Looper.loop(Looper.java:137) I/dalvikvm( 6802): at android.app.ActivityThread.main(ActivityThread.java:4898) I/dalvikvm( 6802): at java.lang.reflect.Method.invokeNative(Native Method) I/dalvikvm( 6802): at java.lang.reflect.Method.invoke(Method.java:511) I/dalvikvm( 6802): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1006) I/dalvikvm( 6802): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:773) I/dalvikvm( 6802): at dalvik.system.NativeStart.main(Native Method) I/dalvikvm( 6802): E/dalvikvm( 6802): VM aborting I/mono ( 6802): Stacktrace: I/mono ( 6802): I/mono ( 6802): at Android.Runtime.JNIEnv.CallObjectMethod (intptr,intptr) [0x00000] in /Users/builder/data/lanes/monodroid-mac-monodroid-4.4-series/c6e52015/source/monodroid/src/Mono.Android/src/Runtime/JNIEnv.g.cs:129 I/mono ( 6802): at Java.Lang.Throwable.get_Message () [0x0003e] in /Users/builder/data/lanes/monodroid-mac-monodroid-4.4-series/c6e52015/source/monodroid/src/Mono.Android/platforms/android-16/src/generated/Java.Lang.Throwable.cs:195 I/mono ( 6802): at (wrapper runtime-invoke) <Module>.runtime_invoke_object__this__ (object,intptr,intptr,intptr) <IL 0x00050, 0xffffffff> E/mono ( 6802): E/mono ( 6802): Unhandled Exception: E/mono ( 6802): Java.IO.IOException: Exception of type 'Java.IO.IOException' was thrown. E/mono ( 6802): at Android.Runtime.JNIEnv.CallVoidMethod (intptr,intptr,Android.Runtime.JValue[]) [0x00023] in /Users/builder/data/lanes/monodroid-mac-monodroid-4.4-series/c6e52015/source/monodroid/src/Mono.Android/src/Runtime/JNIEnv.g.cs:368 E/mono ( 6802): at Android.Media.MediaExtractor.SetDataSource (Java.IO.FileDescriptor) [0x0002d] in /Users/builder/data/lanes/monodroid-mac-monodroid-4.4-series/c6e52015/source/monodroid/src/Mono.Android/platforms/android-16/src/generated/Android.Media.MediaExtractor.cs:206 E/mono ( 6802): at AndroidApplication1.Activity1.ExtractVideo () [0x0001e] in c:\Users\pka\Documents\Visual Studio 2012\Projects\AndroidApplication1\AndroidApplication1\Activity1.cs:64 E/mono ( 6802): at AndroidApplication1.Activity1.<OnCreate>b__2 (object,System.EventArgs) [0x00001] in c:\Users\pka\Documents\Visual Studio 2012\Projects\AndroidApplication1\AndroidApplication1\Activity1.cs:53 E/mono ( 6802): at Android.Views.View/IOnClickListenerImplementor.OnClick (Android.Views.View) I/mono ( 6802): [ERROR] FATAL UNHANDLED EXCEPTION: Java.IO.IOException: Exception of type 'Java.IO.IOException' was thrown. I/mono ( 6802): at Android.Runtime.JNIEnv.CallVoidMethod (intptr,intptr,Android.Runtime.JValue[]) [0x00023] in /Users/builder/data/lanes/monodroid-mac-monodroid-4.4-series/c6e52015/source/monodroid/src/Mono.Android/src/Runtime/JNIEnv.g.cs:368 I/mono ( 6802): at Android.Media.MediaExtractor.SetDataSource (Java.IO.FileDescriptor) [0x0002d] in /Users/builder/data/lanes/monodroid-mac-monodroid-4.4-series/c6e52015/source/monodroid/src/Mono.Android/platforms/android-16/src/generated/Android.Media.MediaExtractor.cs:206 I/mono ( 6802): at AndroidApplication1.Activity1.ExtractVideo () [0x0001e] in c:\Users\pka\Documents\Visual Studio 2012\Projects\AndroidApplication1\AndroidApplication1\Activity1.cs:64 I/mono ( 6802): at AndroidApplication1.Activity1.<OnCreate>b__2 (object,System.EventArgs) [0x00001] in c:\Users\pka\Documents\Visual Studio 2012\Projects\AndroidApplication1\AndroidApplication1\Activity1.cs:53 I/mono ( 6802): at Android.Views.View/IOnClickListenerImplementor.OnClick (Android V/MediaPlayerService( 1901): Delete media recorder client D/ISecCameraHardware( 1901): stopPreview E W/ISecCameraHardware( 1901): stopPreview: warning, preview has been stopped I/SurfaceFlinger( 1898): id=23 Removed TurfaceView idx=2 MapSz=3 D/ISecCameraHardware( 1901): cancelPicture EX D/SecCameraHardware( 1901): release E D/ISecCameraHardware( 1901): Camera.... release W/InputDispatcher( 2253): channel ~ Consumer closed input channel or an error occurred. events=0x9
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I'm an idiot ... I still had part of my program opening the same file that the extractor was supposed to extract ...

Pretty bad error message from Android.

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Source: https://habr.com/ru/post/948461/

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