AVF: Don't override AVPlayerLayer's bounds if already set

AVPlayerLayer's bounds can be changed while resizing, and should not be
overridden by default/native size.

Fixes: QTBUG-65536
Change-Id: I771b13e58606663ded80df3665454007d28836b7
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>

1 files changed, 5 insertions, 3 deletions

diff --git a/src/plugins/avfoundation/mediaplayer/avfmediaplayersession.mm b/src/plugins/avfoundation/mediaplayer/avfmediaplayersession.mm
index 1f13fc9bb..ba902a53c 100644
--- a/src/plugins/avfoundation/mediaplayer/avfmediaplayersession.mm
+++ b/src/plugins/avfoundation/mediaplayer/avfmediaplayersession.mm
@@ -875,9 +875,11 @@ void AVFMediaPlayerSession::processLoadStateChange(QMediaPlayer::State newState)
             // Get the native size of the video, and reset the bounds of the player layer
             AVPlayerLayer *playerLayer = [static_cast<AVFMediaPlayerSessionObserver*>(m_observer) playerLayer];
             if (videoTrack && playerLayer) {
-                playerLayer.bounds = CGRectMake(0.0f, 0.0f,
-                                                videoTrack.naturalSize.width,
-                                                videoTrack.naturalSize.height);
+                if (!playerLayer.bounds.size.width || !playerLayer.bounds.size.height) {
+                    playerLayer.bounds = CGRectMake(0.0f, 0.0f,
+                                                    videoTrack.naturalSize.width,
+                                                    videoTrack.naturalSize.height);
+                }
 
                 if (m_videoOutput && newState != QMediaPlayer::StoppedState) {
                     m_videoOutput->setLayer(playerLayer);