Video Controls

CometChat Calls SDK v5 — Video Controls (Flutter)

Overview

Control video during an active call session — pause/resume camera and switch between front/back cameras.

Key Imports

import 'package:cometchat_calls_sdk/cometchat_calls_sdk.dart';

Implementation

Pause/Resume Video

final session = CallSession.getInstance();

// Pause (turn off camera)
await session?.pauseVideo();

// Resume (turn on camera)
await session?.resumeVideo();

// Toggle
await session?.togglePauseVideo();

// Check state
bool isPaused = session?.isVideoPaused ?? false;

Switch Camera

final session = CallSession.getInstance();

// Switch between front and back camera
await session?.switchCamera();

// Alias method
await session?.toggleCameraSource();

Set Initial Camera in Settings

final settings = SessionSettingsBuilder()
    .setInitialCameraFacing(CameraFacing.front) // or CameraFacing.back
    .startVideoPaused(false)
    .build();

Listen for Video Events

class MyMediaListener implements MediaEventListeners {
  @override
  void onVideoPaused() {
    debugPrint("Video paused");
  }

  @override
  void onVideoResumed() {
    debugPrint("Video resumed");
  }

  @override
  void onCameraFacingChanged(CameraFacing facing) {
    debugPrint("Camera switched to: ${facing.value}");
  }
}

CameraFacing Enum

• CameraFacing.front — Front-facing camera
• CameraFacing.back — Rear-facing camera

Gotchas

• Video controls only work during an active session
• isVideoPaused reflects the local video state
• Camera permission must be granted before starting video
• switchCamera() toggles between front and back — no explicit set

Sample App Reference

• lib/screens/call_screen.dart — Video control integration