제가 동영상 촬영때문에 책에 있는 예제를 먼저 실행해봤는데

다른 단말기는 다 돌아가는데 오로지 넥서스 s만 오류가 납니다

오류 내용이

 

10-07 10:56:57.351: ERROR/SecCamera(76): initCamera: m_cam_fd(15), m_jpeg_fd(0)
10-07 10:56:57.355: ERROR/SecCamera(76): initCamera: m_cam_fd2(21)
10-07 10:57:07.378: ERROR/CameraHardwareSec(76): virtual android::status_t android::CameraHardwareSec::setParameters(const android::CameraParameters&): Invalid preview size(320x240)
10-07 10:57:07.378: ERROR/StagefrightRecorder(76): Could not change settings. Someone else is using camera 0?
10-07 10:57:07.378: ERROR/MediaRecorder(3148): start failed: -16
10-07 10:57:07.382: ERROR/AndroidRuntime(3148): FATAL EXCEPTION: main
10-07 10:57:07.382: ERROR/AndroidRuntime(3148): java.lang.RuntimeException: start failed.
10-07 10:57:07.382: ERROR/AndroidRuntime(3148):     at android.media.MediaRecorder.start(Native Method)
10-07 10:57:07.382: ERROR/AndroidRuntime(3148):     at com.androidhuman.example.VideoRecorder.VideoRecorder$Preview.procVideo(VideoRecorder.java:185)
10-07 10:57:07.382: ERROR/AndroidRuntime(3148):     at com.androidhuman.example.VideoRecorder.VideoRecorder$1.onClick(VideoRecorder.java:68)
10-07 10:57:07.382: ERROR/AndroidRuntime(3148):     at android.view.View.performClick(View.java:2485)
10-07 10:57:07.382: ERROR/AndroidRuntime(3148):     at android.view.View$PerformClick.run(View.java:9080)
10-07 10:57:07.382: ERROR/AndroidRuntime(3148):     at android.os.Handler.handleCallback(Handler.java:587)
10-07 10:57:07.382: ERROR/AndroidRuntime(3148):     at android.os.Handler.dispatchMessage(Handler.java:92)
10-07 10:57:07.382: ERROR/AndroidRuntime(3148):     at android.os.Looper.loop(Looper.java:130)
10-07 10:57:07.382: ERROR/AndroidRuntime(3148):     at android.app.ActivityThread.main(ActivityThread.java:3683)
10-07 10:57:07.382: ERROR/AndroidRuntime(3148):     at java.lang.reflect.Method.invokeNative(Native Method)
10-07 10:57:07.382: ERROR/AndroidRuntime(3148):     at java.lang.reflect.Method.invoke(Method.java:507)
10-07 10:57:07.382: ERROR/AndroidRuntime(3148):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
10-07 10:57:07.382: ERROR/AndroidRuntime(3148):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
10-07 10:57:07.382: ERROR/AndroidRuntime(3148):     at dalvik.system.NativeStart.main(Native Method)

왜 start failed: -16 나는지  구글링 해봐도 도무지 모르겠네요

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