rk3288 usb摄像头带mic微信视频全是杂音
1.买了逻辑的usb摄像头带mic，使用相机和录音机测试录音正常，播放声音也正常；2.用微信视频，对方听到的全是杂音，只要说话就吱吱吱喀喀喀的杂音；
3. 自动相机录像报错；
I/CAM_VideoModule(20636): startVideoRecording: Thread
D/CAM_Storage(20636): External storage state=mounted
D/ViewRootImpl(20636): 1920<<<<<< BACK FROM relayoutWM.LayoutParams{(0,0)(fillxfill)mPosX=0mPosY=0mHScale=1.0mVScale=1.0 align=UNDEFINE taskId=55 sim=#23 ty=1 fl=#8181
0 wanim=0x1030469 rotAnim=1 vsysui=0x501 sysuil=true surfaceInsets=Rect(0, 0 - 0, 0) needsMenuKey=2packageName=com.android.camera2token=android.os.BinderProxy@24bfc17c
I/CAM_VideoModule(20636): initializeRecorder: Thread
W/StagefrightRecorder(13448): Max file duration is not positive: 0 us. Disabling duration limit.
W/StagefrightRecorder(13448): Target duration (0 us) too short to be respected
D/CAM_LcyLocProvider(20636): No location received yet.
D/CAM_LcyLocProvider(20636): No location received yet.
V/CAM_VideoModule(20636): New video filename: /storage/emulated/0/DCIM/Camera/VID_20180225_142145.3gp.tmp
I/CAM_VideoModule(20636): read file uvc
I/CAM_VideoModule(20636): flag = false
D/CAM_VideoModule(20636): bunchen setOrientationHint 0
I/MediaFocusControl(475):AudioFocusrequestAudioFocus() from android.media.AudioManager@aeabe99 req=1flags=0x0
D/CameraSource(13448): Camera does not support setVideoSize()
D/CameraHal(13448): setParameters(623): suppport focus modes:fixed, expect:fixed
D/CameraSource(13448): lkd init: err=0
E/ACodec(13448): Unable to instantiate a decoder for type 'video/3gpp'.
E/ACodec(13448): signalError(omxError 0x80001003, internalError -2147483648)
E/MediaCodec(13448): Codec reported err 0xfffffffe, actionCode 0, while in state 1
E/StagefrightRecorder(13448): Failed to create video encoder
D/CameraSource(13448): reset: E
W/CameraClient(13448): attempt to use a locked camera from a different process (old pid 13448, new pid 20636)
D/CameraSource(13448): reset: X
E/MediaRecorder(20636): start failed: -2147483648
E/CAM_VideoModule(20636): Could not start media recorder.
E/CAM_VideoModule(20636): java.lang.RuntimeException: start failed.
E/CAM_VideoModule(20636): at android.media.MediaRecorder.start(Native Method)
E/CAM_VideoModule(20636): at com.android.camera.VideoModule$11.onStorageUpdateDone(VideoModule.java:1405)
E/CAM_VideoModule(20636): at com.android.camera.CameraActivity$19.onPostExecute(CameraActivity.java:2107)
E/CAM_VideoModule(20636): at com.android.camera.CameraActivity$19.onPostExecute(CameraActivity.java:2092)
E/CAM_VideoModule(20636): at android.os.AsyncTask.finish(AsyncTask.java:636)
E/CAM_VideoModule(20636): at android.os.AsyncTask.access$500(AsyncTask.java:177)
E/CAM_VideoModule(20636): at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:653)
E/CAM_VideoModule(20636): at android.os.Handler.dispatchMessage(Handler.java:102)
E/CAM_VideoModule(20636): at android.os.Looper.loop(Looper.java:135)
E/CAM_VideoModule(20636): at android.app.ActivityThread.main(ActivityThread.java:5280)
E/CAM_VideoModule(20636): at java.lang.reflect.Method.invoke(Native Method)
E/CAM_VideoModule(20636): at java.lang.reflect.Method.invoke(Method.java:372)
E/CAM_VideoModule(20636): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:963)
E/CAM_VideoModule(20636): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:758)
I/CAM_VideoModule(20636): Releasing media recorder.
V/CAM_VideoModule(20636): Empty video file deleted: /storage/emulated/0/DCIM/Camera/VID_20180225_142145.3gp.tmp
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