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我正在使用 RTCEAGLVideoView 显示 RTCVideoTrack，并希望它是全屏的，但它总是变形。我尝试使用 AVMakeRectWithAspectRatioInsideRect 方法来显示此视图，没有失真但也没有全屏，这是我的代码。

RTCEAGLVideoView *remoteVideoView = [[RTCEAGLVideoView alloc] initWithFrame:self.backView.bounds];
remoteVideoView.contentMode = UIViewContentModeScaleAspectFill;
_remoteVideoView = remoteVideoView;
[remoteVideoView renderFrame:nil];
[remoteVideoTrack addRenderer:remoteVideoView];
remoteVideoView.delegate = self;
self.remoteVideoTrack = remoteVideoTrack;
[self.backView addSubview:remoteVideoView];

当 didChangeVideoSize 委托调用时：

- (void)videoView:(RTCEAGLVideoView*)videoView didChangeVideoSize:(CGSize)size {
    if (videoView == _remoteVideoView) {
        _remoteVideoSize = size;
    }
    CGRect bounds = self.view.bounds;
    if (_remoteVideoSize.width > 0 && _remoteVideoSize.height > 0) {
        // Aspect fill remote video into bounds.
        CGRect remoteVideoFrame =
        AVMakeRectWithAspectRatioInsideRect(_remoteVideoSize, bounds);
        CGFloat scale = 1;
        if (remoteVideoFrame.size.width > remoteVideoFrame.size.height) { …