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getCameraCharacteristics(String id)会有部分返回null的情况：
涉及机型：
ReadMi：7、8、K20Pro、Note7 Pro
Honor：7A、Play、HUAWEI Y6 Pro 2019
Vivo：1906、1907

异常信息大致如下，xxx是封装过的其他包名：
Fatal Exception: java.lang.NullPointerException
at android.os.Parcel.createException(Parcel.java:2093)
at android.os.Parcel.readException(Parcel.java:2055)
at android.os.Parcel.readException(Parcel.java:2003)
at android.hardware.ICameraService$Stub$Proxy.isHiddenPhysicalCamera(ICameraService.java:869)
at android.hardware.camera2.CameraManager.isHiddenPhysicalCamera(CameraManager.java:911)
at android.hardware.camera2.CameraManager.getCameraCharacteristics(CameraManager.java:320)
at xxx..videocapture.video.camera.VideoCaptureCamera2.getCameraCharacteristics(VideoCaptureCamera2.java:227)
at xxx.videocapture.video.camera.VideoCaptureCamera2.allocate(VideoCaptureCamera2.java:378)
at cam.honey.videocapture.video.camera.CameraVideoChannel$1.run(CameraVideoChannel.java:72)
at android.os.Handler.handleCallback(Handler.java:883)
at android.os.Handler.dispatchMessage(Handler.java:100)
at android.os.Looper.loop(Looper.java:237)
at android.os.HandlerThread.run(HandlerThread.java:67)
at xxx.videocapture.framework.modules.channels.VideoChannel.run(VideoChannel.java:59)

VideoChannel 314行:

使用了mOnScreenConsumers.size()进行判断，导致无法进入mOffScreenConsumers循环，看起来应该是使用mOffScreenConsumers.size()。请问这个地方是bug，还是我使用姿势问题？

if (mOnScreenConsumers.size() > 0 || mOffScreenMode) {
    // If there is no on-screen consumers connected,
    // the off-screen consumers cannot actually be
    // called, unless the channel runs in off-screen
    // mode.
    for (IVideoConsumer consumer : mOffScreenConsumers) {
        consumer.onConsumeFrame(frame, mContext);
        makeDummySurfaceCurrent();
    }
}

here is the logs
Fatal Exception: java.lang.RuntimeException: set display orientation failed
at android.hardware.Camera.setDisplayOrientation(Camera.java)
at io.agora.capture.video.camera.VideoCaptureCamera.allocate(VideoCaptureCamera.java:157)
at io.agora.capture.video.camera.CameraVideoChannel.lambda$startCapture$0(CameraVideoChannel.java:70)
at io.agora.capture.video.camera.CameraVideoChannel.lambda$startCapture$0$CameraVideoChannel(CameraVideoChannel.java:4)
at io.agora.capture.video.camera.-$$Lambda$CameraVideoChannel$jfYgLl6cnwH0Jm775yfLzYtPFNo.run(lambda)
at android.os.Handler.handleCallback(Handler.java:836)
at android.os.Handler.dispatchMessage(Handler.java:103)
at android.os.Looper.loop(Looper.java:232)
at android.os.HandlerThread.run(HandlerThread.java:61)
at io.agora.capture.framework.modules.channels.VideoChannel.run(VideoChannel.java:59)

参考Agora-Video-With-FaceUnity-Android Demo使用Camera Capture Framework实现videosource后，不限机型，偶然会触发相机画面帧卡顿的情况。杀死app后重新打开恢复正常。
异常情况下logcat多了以下异常
E/Camera3-OutputStream: getBufferLockedCommon: Stream 1: dequeue buffer cost: ( 134 ms)
请问可能是哪一步骤出现问题？

2020-03-05 23:25:00.178 7526-7526/io.agora.agoraplayerquickstart E/ActivityThread: Activity io.agora.mediaplayer.MainActivity has leaked IntentReceiver io.agora.rtc2.internal.AudioRoutingController$HeadsetBroadcastReceiver@34df2ef that was originally registered here. Are you missing a call to unregisterReceiver()?
android.app.IntentReceiverLeaked: Activity io.agora.mediaplayer.MainActivity has leaked IntentReceiver io.agora.rtc2.internal.AudioRoutingController$HeadsetBroadcastReceiver@34df2ef that was originally registered here. Are you missing a call to unregisterReceiver()?
at android.app.LoadedApk$ReceiverDispatcher.(LoadedApk.java:1583)
at android.app.LoadedApk.getReceiverDispatcher(LoadedApk.java:1316)
at android.app.ContextImpl.registerReceiverInternal(ContextImpl.java:1694)
at android.app.ContextImpl.registerReceiver(ContextImpl.java:1667)
at android.app.ContextImpl.registerReceiver(ContextImpl.java:1655)
at android.content.ContextWrapper.registerReceiver(ContextWrapper.java:623)
at io.agora.rtc2.internal.AudioRoutingController.initialize(AudioRoutingController.java:579)
2020-03-05 23:25:00.214 7526-7526/io.agora.agoraplayerquickstart E/ActivityThread: Activity io.agora.mediaplayer.MainActivity has leaked IntentReceiver io.agora.rtc2.internal.ConnectionChangeBroadcastReceiver@a3b6eda that was originally registered here. Are you missing a call to unregisterReceiver()?
android.app.IntentReceiverLeaked: Activity io.agora.mediaplayer.MainActivity has leaked IntentReceiver io.agora.rtc2.internal.ConnectionChangeBroadcastReceiver@a3b6eda that was originally registered here. Are you missing a call to unregisterReceiver()?
at android.app.LoadedApk$ReceiverDispatcher.(LoadedApk.java:1583)
at android.app.LoadedApk.getReceiverDispatcher(LoadedApk.java:1316)
at android.app.ContextImpl.registerReceiverInternal(ContextImpl.java:1694)
at android.app.ContextImpl.registerReceiver(ContextImpl.java:1667)
at android.app.ContextImpl.registerReceiver(ContextImpl.java:1655)
at android.content.ContextWrapper.registerReceiver(ContextWrapper.java:623)
at io.agora.rtc2.internal.CommonUtility.monitorConnectionEvent(CommonUtility.java:197)
at io.agora.rtc2.internal.CommonUtility.(CommonUtility.java:125)

1. I am using AgoraMediaPlayer to play local video => it works fine
2. When I publish it to the channel by using AgoraRtcChannelPublishHelper, the video works fine but audio is from microphone.
   What I want is audio from media, not from microphone. Can you point me the right direction?
   Thank you

Can the Capture framework add support for GLSurfaceView?
I have some code which need to be run in a opengl thread.
I tried to change the SurfaceView to GLSurfaceView but it renders nothing