CameraPanelItem singleOldItem = null; //全屏播放的视频信息
/// <summary>
/// 双击全屏播放视频
/// </summary>
/// <param name="index">视频索引</param>
private void SetSingle(int index)
{
if (!isSinglePlay)
{
var rows = this.gridVideo.RowDefinitions.Count;
var cols = this.gridVideo.ColumnDefinitions.Count;
foreach (UIElement item in this.gridVideo.Children)
{
item.Visibility = Visibility.Hidden;
}
singleBorder = GridHelpers.GetBorderByTag(this.gridVideo.Children, index);
singleBorder.Visibility = Visibility.Visible;
singleRowSpan = (int)singleBorder.GetValue(Grid.RowSpanProperty);
singleRow = (int)singleBorder.GetValue(Grid.RowProperty);
singleColsSpan = (int)singleBorder.GetValue(Grid.ColumnSpanProperty);
singleCol = (int)singleBorder.GetValue(Grid.ColumnProperty);
// 视频源全部换为主码流
singleOldItem = singleBorder.DataContext as CameraPanelItem;
CameraPanelItem newItem = singleOldItem.Clone() as CameraPanelItem;
if (newItem.PlayType == PlayContentType.One && newItem.Camera.StreamType == 1)
{
singleOldItem.GetPlayView().Stop();
newItem.Camera.StreamType = 0;
changeStream = true;
}
if (newItem.PlayType == PlayContentType.Group)
{
for (int i = 0; i < newItem.CameraGroup.Items.Count; i++)
{
if (newItem.CameraGroup.Items[i].StreamType == 1)
{
singleOldItem.GetPlayView().Stop();
newItem.CameraGroup.Items[i].StreamType = 0;
changeStream = true;
}
}
}
if (changeStream)
{
GridHelpers.SetCameraOnBorder(singleBorder, newItem);
}
singleBorder.SetValue(Grid.RowProperty, 0);
singleBorder.SetValue(Grid.ColumnProperty, 0);
singleBorder.SetValue(Grid.ColumnSpanProperty, cols);
singleBorder.SetValue(Grid.RowSpanProperty, rows);
isSinglePlay = true;
}
}
/// <summary>
/// 给对应 Border 放置监控，查看是否已有，有就停止
/// </summary>
/// <param name="border"></param>
/// <param name="panelItem"></param>
public static void SetCameraOnBorder(Border border, CameraPanelItem panelItem)
{
if (border.DataContext is CameraPanelItem oldItem)
{
oldItem.GetPlayView().Stop();
border.DataContext = null;
border.Child = null;
}
var channel = panelItem.GetPlayView();
border.DataContext = panelItem;
var winFormHost = new WindowsFormsHost();
var playPanle = new System.Windows.Forms.Panel();
winFormHost.Child = playPanle;
border.Background = Brushes.Gray;
border.Child = winFormHost;
playPanle.Controls.Clear();
channel.OnPlayError += (s, e) =>
{
var log = NLog.LogManager.GetCurrentClassLogger();
log.Error(e.ErrorMessage + e.Code);
};
if (channel.Playing)
{
channel.Stop();
}
channel.Play(winFormHost.Child);
}
/// <summary>
/// 暂停播放
/// </summary>
/// <param name="index"></param>
private void Pause(int index)
{
Border border = GridHelpers.GetBorderByTag(this.gridVideo.Children, index);
CameraPanelItem item = border.DataContext as CameraPanelItem;
item.GetPlayView().Pause();
}
