StreamConfigurationMap.getOutputSizes() may return null: https://developer.android.com/reference/android/hardware/camera2/params/StreamConfigurationMap#getOutputSizes(java.lang.Class%3CT%3E) Fixes: Fatal Exception: java.lang.NullPointerException: Attempt to get length of null array at org.webrtc.Camera2Enumerator.convertSizes(Camera2Enumerator.java:234) at org.webrtc.Camera2Enumerator.getSupportedSizes(Camera2Enumerator.java:147) at org.webrtc.Camera2Session.findCaptureFormat(Camera2Session.java:325) at org.webrtc.Camera2Session.start(Camera2Session.java:313) at org.webrtc.Camera2Session.<init>(Camera2Session.java:296) at org.webrtc.Camera2Session.create(Camera2Session.java:274) at org.webrtc.Camera2Capturer.createCameraSession(Camera2Capturer.java:35) at org.webrtc.CameraCapturer$5.run(CameraCapturer.java:272) 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) Bug: webrtc:13032 Change-Id: I9154be567cd12c066087818ba22e9cd69e75a22f Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/227291 Reviewed-by: Xavier Lepaul <xalep@webrtc.org> Commit-Queue: Xavier Lepaul <xalep@webrtc.org> Cr-Commit-Position: refs/heads/main@{#34872}
This directory holds a Java implementation of the webrtc::PeerConnection API, as
well as the JNI glue C++ code that lets the Java implementation reuse the C++
implementation of the same API.
To build the Java API and related tests, make sure you have a WebRTC checkout
with Android specific parts. This can be used for linux development as well by
configuring gn appropriately, as it is a superset of the webrtc checkout:
fetch --nohooks webrtc_android
gclient sync
You also must generate GN projects with:
--args='target_os="android" target_cpu="arm"'
More information on getting the code, compiling and running the AppRTCMobile
app can be found at:
https://webrtc.org/native-code/android/
To use the Java API, start by looking at the public interface of
org.webrtc.PeerConnection{,Factory} and the org.webrtc.PeerConnectionTest.
To understand the implementation of the API, see the native code in src/jni/pc/.