startFrameInjection method
Start continuous frame injection from a provider function
frameProvider - Async function that returns the next frame data
fps - Target frames per second
Implementation
void startFrameInjection({
required Future<Uint8List> Function() frameProvider,
int fps = 15,
}) {
if (_isActive) return;
_frameProvider = frameProvider;
_isActive = true;
final interval = Duration(milliseconds: (1000 / fps).round());
_frameTimer = Timer.periodic(interval, (_) => _injectFrame());
debugPrint('VirtualBackgroundChannel: Started frame injection at $fps fps');
}