public static void findOrCreatPanel(string strUid, AliRtcVideoTrack videoTrack, out Panel panel_)
{
if (videoTrack == AliRtcVideoTrack.AliRtcVideoTrackCamera)
{
if (m_camaraUid2panelHash.Contains(strUid))
{
panel_ = (Panel)m_camaraUid2panelHash[strUid];
}
else
{
panel_ = new System.Windows.Forms.Panel();
panel_.BackColor = System.Drawing.SystemColors.ControlDark;
m_camaraUid2panelHash.Add(strUid, panel_);
}
}
else if (videoTrack == AliRtcVideoTrack.AliRtcVideoTrackScreen)
{
if (m_screenUid2panelHash.Contains(strUid))
{
panel_ = (Panel)m_screenUid2panelHash[strUid];
}
else
{
panel_ = new System.Windows.Forms.Panel();
panel_.BackColor = System.Drawing.SystemColors.ControlDark;
m_screenUid2panelHash.Add(strUid, panel_);
}
}
else
{
panel_ = null;
}
}
public static void DeleteViewInfo(string struUid, AliRtcVideoTrack videoTrack)
{
Debug.Assert(videoTrack == AliRtcVideoTrack.AliRtcVideoTrackCamera ||
videoTrack == AliRtcVideoTrack.AliRtcVideoTrackScreen);
List <viewInfo> deleteViewList = new List <viewInfo>();
foreach (viewInfo viewInfo_ in m_viewInfoList)
{
if (viewInfo_.strUid == struUid &&
viewInfo_.videoTrack == videoTrack)
{
deleteViewList.Add(viewInfo_);
}
}
foreach (viewInfo deleteView in deleteViewList)
{
deleteView.showPanel.Hide();
m_viewInfoList.Remove(deleteView);
}
}
public static void findOrCreatPanel_(string strUid, AliRtcVideoTrack videoTrack, out Panel panel_)
{
panel_ = null;
foreach (viewInfo viewInfo_ in m_viewInfoList)
{
if (viewInfo_.strUid == strUid &&
viewInfo_.videoTrack == videoTrack)
{
panel_ = viewInfo_.showPanel;
return;
}
}
viewInfo tempViewInfo;
tempViewInfo.strUid = strUid;
tempViewInfo.videoTrack = videoTrack;
tempViewInfo.showPanel = new System.Windows.Forms.Panel();
tempViewInfo.showPanel.BackColor = System.Drawing.SystemColors.ControlDark;
panel_ = tempViewInfo.showPanel;
m_viewInfoList.AddLast(tempViewInfo);
}
[DllImport("AliRTCEngineCWrapper.dll", CallingConvention = CallingConvention.Cdecl)] // 是否允许推送次要视频流
public static extern int configLocalSimulcast(bool bEnabled, AliRtcVideoTrack track);
[DllImport("AliRTCEngineCWrapper.dll", CallingConvention = CallingConvention.Cdecl)] // 订阅视频流
public static extern void setRemoteViewConfig(IntPtr hWndShowID, String pUid, AliRtcVideoTrack videoTrack,
AliRtcRenderMode RenderMode, AliRtcScaleRatio ScaleRatio, bool bIsfFlip);
public static extern void muteLocalCamera(bool bMute, AliRtcVideoTrack track); //是否将停止本地视频采集
public static void onRemoteTrackAvailableNotify(string strUid, AliRtcAudioTrack audioTrack, AliRtcVideoTrack videoTrack)
{
if (!m_ParamInfo.bAutoSub)
{
//当自动订阅开关关闭时，所有用户都手动订阅
if (audioTrack == AliRtcAudioTrack.AliRtcAudioTrackMic)
{
ImportDll.configRemoteAudio(strUid, true);
}
else
{
ImportDll.configRemoteAudio(strUid, false);
}
if (videoTrack == AliRtcVideoTrack.AliRtcVideoTrackCamera ||
videoTrack == AliRtcVideoTrack.AliRtcVideoTrackBoth)
{
ImportDll.configRemoteCameraTrack(strUid, true, true);
}
else
{
ImportDll.configRemoteCameraTrack(strUid, true, false);
}
if (videoTrack == AliRtcVideoTrack.AliRtcVideoTrackScreen ||
videoTrack == AliRtcVideoTrack.AliRtcVideoTrackBoth)
{
ImportDll.configRemoteScreenTrack(strUid, true);
}
else
{
ImportDll.configRemoteScreenTrack(strUid, false);
}
ImportDll.setSubscribeResultCB SubscribeResultCB;
SubscribeResultCB = new ImportDll.setSubscribeResultCB(onSubscribeResult);
ImportDll.setSubscribeResultCallBack(SubscribeResultCB);
bool bRet = ImportDll.subscribe(strUid);
if (bRet == false)
{
AliRtcSample.mainFrm.listBox_Tips.Items.Add("订阅失败,是否调用onSubscribeResultCallBack回调？");
}
}
else
{
//开启自动订阅开关时，订阅所有有流的用户
onSubscribeResult(strUid, audioTrack, videoTrack);
}
}
public static void onSubscribeChangedNotify(string strUid, AliRtcAudioTrack audioTrack, AliRtcVideoTrack videoTrack)
{
}
public static void onSubscribeResult(string strUid, AliRtcAudioTrack audioTrack, AliRtcVideoTrack videoTrack)
{
AliRtcSample.mainFrm.listBox_Tips.Items.Add("订阅成功：" + strUid);
AliRtcSample.mainFrm.listBox_Tips.Items.Add("订阅视频流：" + audioTrack.ToString());
AliRtcSample.mainFrm.listBox_Tips.Items.Add("订阅音频流：" + videoTrack.ToString());
if (mainFrm.InvokeRequired)
{
Object[] parametors = new Object[] { strUid, audioTrack, videoTrack };
mainFrm.Invoke(new SubscribeResultDelegate(onSubscribeResultDE_), parametors);
}
}
public static void onSubscribeResultDE(string strUid, AliRtcAudioTrack audioTrack, AliRtcVideoTrack videoTrack)
{
if (videoTrack == AliRtcVideoTrack.AliRtcVideoTrackNo ||
videoTrack == AliRtcVideoTrack.AliRtcVideoTrackEnd)
{
if (m_uidList.Contains(strUid))
{
m_uidList.Remove(strUid);
}
if (m_camaraUid2panelHash.Contains(strUid))
{
m_camaraUid2panelHash.Remove(strUid);
}
if (m_screenUid2panelHash.Contains(strUid))
{
m_screenUid2panelHash.Remove(strUid);
}
}
else if (videoTrack == AliRtcVideoTrack.AliRtcVideoTrackCamera)
{
if (!m_uidList.Contains(strUid))
{
m_uidList.AddLast(strUid);
}
if (m_screenUid2panelHash.Contains(strUid))
{
m_screenUid2panelHash.Remove(strUid);
}
Panel panel_camera;
findOrCreatPanel(strUid, videoTrack, out panel_camera);
Debug.Assert(panel_camera != null);
ImportDll.setRemoteViewConfig(panel_camera.Handle, strUid, videoTrack,
AliRtcRenderMode.AliRtcRenderModeAuto, AliRtcScaleRatio.AliRtcScaleRatio_16_9, false);
}
else if (videoTrack == AliRtcVideoTrack.AliRtcVideoTrackScreen)
{
if (!m_uidList.Contains(strUid))
{
m_uidList.AddLast(strUid);
}
if (m_camaraUid2panelHash.Contains(strUid))
{
m_camaraUid2panelHash.Remove(strUid);
}
Panel panel_screen;
findOrCreatPanel(strUid, videoTrack, out panel_screen);
Debug.Assert(panel_screen != null);
ImportDll.setRemoteViewConfig(panel_screen.Handle, strUid, videoTrack,
AliRtcRenderMode.AliRtcRenderModeAuto, AliRtcScaleRatio.AliRtcScaleRatio_16_9, false);
}
else if (videoTrack == AliRtcVideoTrack.AliRtcVideoTrackBoth)
{
if (!m_uidList.Contains(strUid))
{
m_uidList.AddLast(strUid);
}
Panel panel_camera;
Panel panel_screen;
findOrCreatPanel(strUid, AliRtcVideoTrack.AliRtcVideoTrackCamera, out panel_camera);
findOrCreatPanel(strUid, AliRtcVideoTrack.AliRtcVideoTrackScreen, out panel_screen);
Debug.Assert(panel_camera != null);
Debug.Assert(panel_screen != null);
ImportDll.setRemoteViewConfig(panel_camera.Handle, strUid, AliRtcVideoTrack.AliRtcVideoTrackCamera,
AliRtcRenderMode.AliRtcRenderModeAuto, AliRtcScaleRatio.AliRtcScaleRatio_16_9, false);
ImportDll.setRemoteViewConfig(panel_screen.Handle, strUid, AliRtcVideoTrack.AliRtcVideoTrackScreen,
AliRtcRenderMode.AliRtcRenderModeAuto, AliRtcScaleRatio.AliRtcScaleRatio_16_9, false);
}
Layout_RemoteView();
}
public static void onSubscribeResultDE_(string strUid, AliRtcAudioTrack audioTrack, AliRtcVideoTrack videoTrack)
{
if (videoTrack == AliRtcVideoTrack.AliRtcVideoTrackNo ||
videoTrack == AliRtcVideoTrack.AliRtcVideoTrackEnd)
{
DeleteViewInfo(strUid, AliRtcVideoTrack.AliRtcVideoTrackCamera);
DeleteViewInfo(strUid, AliRtcVideoTrack.AliRtcVideoTrackScreen);
}
else if (videoTrack == AliRtcVideoTrack.AliRtcVideoTrackCamera)
{
Panel panel_camera;
DeleteViewInfo(strUid, AliRtcVideoTrack.AliRtcVideoTrackScreen);
findOrCreatPanel_(strUid, videoTrack, out panel_camera);
Debug.Assert(panel_camera != null);
ImportDll.setRemoteViewConfig(panel_camera.Handle, strUid, videoTrack,
AliRtcRenderMode.AliRtcRenderModeFill, AliRtcScaleRatio.AliRtcScaleRatio_16_9, false);
}
else if (videoTrack == AliRtcVideoTrack.AliRtcVideoTrackScreen)
{
Panel panel_screen;
DeleteViewInfo(strUid, AliRtcVideoTrack.AliRtcVideoTrackCamera);
findOrCreatPanel_(strUid, videoTrack, out panel_screen);
Debug.Assert(panel_screen != null);
ImportDll.setRemoteViewConfig(panel_screen.Handle, strUid, videoTrack,
AliRtcRenderMode.AliRtcRenderModeFill, AliRtcScaleRatio.AliRtcScaleRatio_16_9, false);
}
else if (videoTrack == AliRtcVideoTrack.AliRtcVideoTrackBoth)
{
Panel panel_camera;
Panel panel_screen;
findOrCreatPanel_(strUid, AliRtcVideoTrack.AliRtcVideoTrackCamera, out panel_camera);
findOrCreatPanel_(strUid, AliRtcVideoTrack.AliRtcVideoTrackScreen, out panel_screen);
Debug.Assert(panel_camera != null);
Debug.Assert(panel_screen != null);
ImportDll.setRemoteViewConfig(panel_camera.Handle, strUid, AliRtcVideoTrack.AliRtcVideoTrackCamera,
AliRtcRenderMode.AliRtcRenderModeFill, AliRtcScaleRatio.AliRtcScaleRatio_16_9, false);
ImportDll.setRemoteViewConfig(panel_screen.Handle, strUid, AliRtcVideoTrack.AliRtcVideoTrackScreen,
AliRtcRenderMode.AliRtcRenderModeFill, AliRtcScaleRatio.AliRtcScaleRatio_16_9, false);
}
Layout_RemoteView_();
}