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feat: add onResize to VideoTrackRenderer #964

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feat: add onResize to VideoTrackRenderer #964

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a185594
feat: add onResize to VideoTrackRenderer
holzgeist Nov 18, 2025
afd64e2
fix: handle _renderer being null
holzgeist Jan 22, 2026
050132b
Merge branch 'main' into feat-add-video-track-renderer-resize
holzgeist Feb 2, 2026
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17 changes: 17 additions & 0 deletions lib/src/widgets/video_track_renderer.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -69,6 +69,8 @@ class VideoTrackRenderer extends StatefulWidget {
/// wrap the video view in a Center widget (if [fit] is [VideoViewFit.contain])
final bool autoCenter;

final void Function(Size)? onResize;

const VideoTrackRenderer(
this.track, {
this.fit = VideoViewFit.contain,
Expand All @@ -77,6 +79,7 @@ class VideoTrackRenderer extends StatefulWidget {
this.autoDisposeRenderer = true,
this.cachedRenderer,
this.autoCenter = true,
this.onResize,
Key? key,
}) : super(key: key);

Expand Down Expand Up @@ -176,6 +179,20 @@ class _VideoTrackRendererState extends State<VideoTrackRenderer> {
setState(() {});
});
_renderer?.onResize = () {
final videoValue = (_renderer as ValueNotifier<rtc.RTCVideoValue>?)?.value;
if (videoValue == null) {
return;
}
final double width;
final double height;
if (videoValue.rotation % 180 == 0) {
width = videoValue.width;
height = videoValue.height;
} else {
width = videoValue.height;
height = videoValue.width;
}
widget.onResize?.call(Size(width, height));
if (mounted) {
setState(() {
_aspectRatio = (_renderer as rtc.RTCVideoRenderer?)?.videoValue.aspectRatio;
Expand Down