/// <summary>
/// 关闭子视频实例
/// </summary>
public void Close()
{
ThrowIfChildServiceException();
ChildVideoApi.Close(ChildService);
ChildService = IntPtr.Zero;
}
/// <summary>
/// 用户指定视频流推流发送接口
/// </summary>
/// <param name="videoData">用户指定视频流数据</param>
/// <returns></returns>
public bool SendCustomData(byte[] videoData)
{
ThrowIfChildServiceException();
if (videoData == null)
{
throw new ArgumentNullException("videoData");
}
return(ChildVideoApi.SendCustomData(ChildService, videoData, videoData.Length) == FuncResult.Ok);
}
/// <summary>
/// 开|关子视频单独预览
/// </summary>
/// <param name="on">子视频窗口单独预览开关</param>
public void SwitchSoloPreview(bool on)
{
ThrowIfChildServiceException();
ChildVideoApi.SwitchSoloPreview(ChildService, on);
if (on)
{
SetSoloPreviewCallback(_videoSamplerCallback);
}
else
{
SetSoloPreviewCallback(null);
}
}
/// <summary>
/// 打开子视频实例，用于推流直播
/// </summary>
/// <param name="param">子视频采集参数</param>
/// <returns></returns>
public bool Open(VideoInParam param)
{
ApiProvider.Default.ThrowIfServiceException();
if (param == null)
{
throw new ArgumentNullException("param");
}
var p = (_VideoInParam)param;
try
{
ChildService = ChildVideoApi.Open(ApiProvider.Default.Service, ref p);
return(ChildService != IntPtr.Zero);
}
finally
{
p.Dispose();
}
}
/// <summary>
/// 打开采集设备的高级设置
/// </summary>
/// <returns></returns>
/// <remarks>
/// 该接口可能会弹出采集系统配置窗口，所以建议在IsOtherDevice检测到之后，让用户手动选择是否开启
/// </remarks>
public bool OpenOtherDeviceConfig()
{
ThrowIfChildServiceException();
return(ChildVideoApi.OpenOtherDeviceConfig(ChildService) == FuncResult.Ok);
}
/// <summary>
/// 恢复视频直播推流
/// </summary>
public void ResumeLiveStream()
{
ThrowIfChildServiceException();
ChildVideoApi.ResumeLiveStream(ChildService);
}
/// <summary>
/// 暂停视频直播推流
/// </summary>
public void PauseLiveStream()
{
ThrowIfChildServiceException();
ChildVideoApi.PauseLiveStream(ChildService);
}
/// <summary>
/// 设置单独预览的视频流buffer回调函数，可用于预览进行显示
/// </summary>
/// <param name="callback">单独推流的buffer回调</param>
private void SetSoloPreviewCallback(ChildVideoSamplerCallback callback)
{
ThrowIfChildServiceException();
ChildVideoApi.SetSoloPreviewCallback(ChildService, callback);
}
/// <summary>
/// 关闭视频采集
/// </summary>
public void StopCapture()
{
ThrowIfChildServiceException();
ChildVideoApi.StopCapture(ChildService);
}
/// <summary>
/// 打开子视频采集，需要在视频预览前调用，当需要改变采集设备的时候需要先停止再重新打开
/// </summary>
/// <returns></returns>
public bool StartCapture()
{
ThrowIfChildServiceException();
return(ChildVideoApi.StartCapture(ChildService) == FuncResult.Ok);
}
/// <summary>
/// 临时开|关该子视频窗口是否显示
/// </summary>
/// <param name="hide">子视频窗口单独是否隐藏</param>
public void SwitchDisplay(bool hide)
{
ThrowIfChildServiceException();
ChildVideoApi.SwitchDisplay(ChildService, hide);
}
/// <summary>
/// 设置该子视频窗口在主窗口中的显示位置和大小
/// </summary>
/// <param name="param">显示位置参数</param>
public void SetDisplayRect(RectScreenParam param)
{
ThrowIfChildServiceException();
ChildVideoApi.SetDisplayRect(ChildService, ref param);
}
/// <summary>
/// 将该子视频层级调降或者调升一层来显示
/// </summary>
/// <param name="adjustUp">True上升一层，False降一层</param>
public void AdjustLayer(bool adjustUp)
{
ThrowIfChildServiceException();
ChildVideoApi.AdjustLayer(ChildService, adjustUp);
}
/// <summary>
/// 将该子视频设为背景层，同时将子视频显示全部铺开
/// </summary>
public void SetBackLayer()
{
ThrowIfChildServiceException();
ChildVideoApi.SetBackLayer(ChildService);
}