Conversation
Implemented video calling features in the Android application by extending the WebRTCClient and adding dedicated UI controls in ChatScreen and CallScreen. Introduced a separate video call button and the ability to toggle video or switch cameras during an active call. The remote and local video streams are displayed using a Picture-in-Picture layout via SurfaceViewRenderer embedded in Jetpack Compose's AndroidView. Handled proper lifecycle initialization and cleanup to prevent EGL crashes. Added CAMERA permission and updated WebSocket signaling to include the `is_video_call` parameter transparently routed by the backend. Co-authored-by: DivyanshuChipa <211708943+DivyanshuChipa@users.noreply.github.com>
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| if (localVideoSource == null) { | ||
| localVideoSource = peerConnectionFactory?.createVideoSource(videoCapturer!!.isScreencast) |
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createVideoCapturer() can legitimately return null (for example when CAMERA permission is denied or no compatible camera is available), but this path force-unwraps it via videoCapturer!! and will crash as soon as a video call starts. This turns a recoverable device/permission condition into an app crash; handle the null case and fall back gracefully (e.g., abort video setup or downgrade to audio).
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| localVideoSource?.dispose() | ||
| localVideoSource = null |
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Cleanup disposes and nulls the capturer/source, but leaves localVideoTrack intact; on the next video call startLocalVideo() skips recreating the track because it is non-null, so the peer connection can reuse a track bound to a disposed source and fail to publish video after the first call. Dispose/null the video track in endCall() so subsequent calls rebuild a valid capture pipeline.
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| // Note: For background intent handling we default to audio right now unless we extract it from intent | ||
| callViewModel.onIncomingCall(intentSender, fullPhotoUrl) |
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This intent-handling branch still calls onIncomingCall without passing isVideoCall, so calls opened from notification/background intent are always initialized as audio even when the sender requested video. The websocket foreground path already parses is_video_call; this one should carry the same flag through intent extras and pass it here to avoid inconsistent behavior between foreground and background incoming calls.
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Extended the existing WebRTC voice calling system in the web client (`backend/static/`) to fully support video calls, completing cross-platform feature parity with the Android app. - Added a new 'Call Type' dialog to let users pick between 'Voice Call' and 'Video Call'. - Updated `chat.html` to include local and remote `<video>` elements using a Picture-in-Picture layout. - Added buttons and logic to toggle the local video stream and switch camera orientation (front/back). - Modified `app.js` to handle the `is_video_call` signaling flag, acquire correct `getUserMedia` tracks based on the call type, and attach those streams to the DOM. Co-authored-by: DivyanshuChipa <211708943+DivyanshuChipa@users.noreply.github.com>
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This commit adds video calling support to the WebRTC-based communication flow in the Android application.
Key changes:
WebRTCClient.kt: Added logic to manage video sources, tracks, and capturers using Camera2Enumerator.CallScreen.kt: Implemented video rendering usingAndroidViewandSurfaceViewRendererwith a PiP layout. Added buttons for toggling video and switching cameras.ChatScreen.kt&MainActivity.kt: Differentiated between audio and video call buttons, updating signaling payloads with anis_video_callflag.AndroidManifest.xml: Requested the necessary CAMERA permission.All WebRTC lifecycle issues (e.g., re-initialization crashes during re-composition) were fixed by correctly managing renderer
init()andrelease()in Compose.PR created automatically by Jules for task 18390055824140193157 started by @DivyanshuChipa