public bool Refresh()
{
if (PlayHandle > -1)
{
return(HCNetSDKWrap.NET_DVR_RefreshPlay(PlayHandle));
}
return(false);
}
public bool MakeKeyFrame()
{
CHKDVRDevice device = DVRDevice;
if (device != null && device.IsLogin)
{
//CLocalSystem.WriteLog("Debug", "Call HKDVRPlayer.MakeKeyFrame()");
return(HCNetSDKWrap.NET_DVR_MakeKeyFrame(device.UserID, Channel));
}
return(false);
}
public bool Normal() //正常播放放
{
if (PlayHandle > -1 && PlayStatus == PlayState.Play) //播放中
{
if (HCNetSDKWrap.NET_DVR_PlayBackControl(PlayHandle, HCNetSDKWrap.NET_DVR_PLAYNORMAL, 0, ref mOutValue))
{
mIsFramePlay = false;
return(true);
}
}
return(false);
}
public bool Frame() //单帧放
{
if (PlayHandle > -1 && PlayStatus == PlayState.Play) //播放中
{
if (HCNetSDKWrap.NET_DVR_PlayBackControl(PlayHandle, HCNetSDKWrap.NET_DVR_PLAYFRAME, 0, ref mOutValue))
{
mIsFramePlay = true;
return(true);
}
}
return(false);
}
protected override bool PrepStop()
{
if (PlayHandle > -1)
{
HCNetSDKWrap.NET_DVR_PlayBackControl(PlayHandle, HCNetSDKWrap.NET_DVR_PLAYPAUSE, 0, ref mOutValue);
if (HCNetSDKWrap.NET_DVR_PlayBackControl(PlayHandle, HCNetSDKWrap.NET_DVR_PLAYSTOP, 0, ref mOutValue))
{
return(true);
}
}
return(false);
}
protected override bool PrepPlay()
{
if (PlayHandle < 0)
{
PlayHandle = HCNetSDKWrap.NET_DVR_RealPlay(DVRDevice.UserID, ref mClientInfo);
if (PlayHandle > -1)
{
HCNetSDKWrap.NET_DVR_SetPlayerBufNumber(PlayHandle, 10);
HCNetSDKWrap.NET_DVR_SetRealDataCallBack(PlayHandle, mPlayDataCallback, 0);
if (ImageDrawer.DrawFun != null)
{
HCNetSDKWrap.NET_DVR_RigisterDrawFun(PlayHandle, ImageDrawer.DrawFun, DVRDevice.UserID);
}
Thread.Sleep(1000);
PlayPort = HCNetSDKWrap.NET_DVR_GetRealPlayerIndex(PlayHandle);
int n = 0;
while (PlayPort < 0)
{
Thread.Sleep(100);
PlayPort = HCNetSDKWrap.NET_DVR_GetRealPlayerIndex(PlayHandle);
if (++n > 5)
{
break;
}
}
if (PlayPort > -1)
{
return(true);
}
else
{
HKDVRException hke = new HKDVRException("获取播放器端口失败");
CLocalSystem.WriteErrorLog(string.Format("HKDVRRealPlayer({0}) 播放时获取播放器端口({1})失败：{2}", this.Name, PlayPort, hke.Message));
if (HCNetSDKWrap.NET_DVR_StopRealPlay(PlayHandle))
{
PlayHandle = -1;
}
}
}
else
{
HKDVRException hke = new HKDVRException("播放失败");
CLocalSystem.WriteErrorLog(string.Format("HKDVRRealPlayer({0}) {1}", this.Name, hke.Message));
}
}
return(false);
}
public bool Resum()
{
if (PlayHandle > -1 && PlayStatus == PlayState.Pause) //暂停播放
{
if (HCNetSDKWrap.NET_DVR_PlayBackControl(PlayHandle, HCNetSDKWrap.NET_DVR_PLAYRESTART, 0, ref mOutValue))
{
PlayStatus = PlayState.Play;
mIsFramePlay = false;
return(true);
}
}
return(false);
}
public bool Pause()
{
if (PlayHandle > -1 && PlayStatus == PlayState.Play) //播放中
{
if (HCNetSDKWrap.NET_DVR_PlayBackControl(PlayHandle, HCNetSDKWrap.NET_DVR_PLAYPAUSE, 0, ref mOutValue))
{
PlayStatus = PlayState.Pause;
mIsFramePlay = false;
return(true);
}
}
return(false);
}
protected override bool PrepClose()
{
if (PlayHandle > -1)
{
if (HCNetSDKWrap.NET_DVR_StopPlayBack(PlayHandle))
{
PlayHandle = -1;
PlayPort = -1;
return(true);
}
}
return(false);
}
protected override bool PrepStop()
{
if (PlayHandle >= 0)
{
if (HCNetSDKWrap.NET_DVR_StopRealPlay(PlayHandle))
{
PlayPort = -1;
PlayHandle = -1;
return(true);
}
}
return(false);
}
protected override bool PrepOpen(object target)
{
if (PlayHandle < 0)
{
if (mType == 1)
{
PlayHandle = HCNetSDKWrap.NET_DVR_PlayBackByName(DVRDevice.UserID, target.ToString(), HWnd);
}
else if (mType == 2)
{
PlayHandle = HCNetSDKWrap.NET_DVR_PlayBackByTime(DVRDevice.UserID, (Int32)target, ref mStartTime, ref mStopTime, HWnd);
}
else
{
throw new Exception("回放类型不支持！");
}
if (PlayHandle > -1)
{
PlayPort = HCNetSDKWrap.NET_DVR_GetPlayBackPlayerIndex(PlayHandle);
if (PlayPort > -1)
{
mTryCount = 0;
if (ImageDrawer.DrawFun != null)
{
HCNetSDKWrap.PlayM4_RigisterDrawFun(PlayPort, ImageDrawer.DrawFun, DVRDevice.UserID);
}
return(true);
}
else if (HCNetSDKWrap.NET_DVR_StopPlayBack(PlayHandle))
{
PlayHandle = -1;
CLocalSystem.WriteErrorLog(string.Format("HKDVRBackPlayer({0}) 播放时获取播放器句柄失败：{1}", this.Name, PlayPort));
}
}
else
{
int nErr = HCNetSDKWrap.NET_DVR_GetLastError();
CLocalSystem.WriteErrorLog(string.Format("HKDVRBackPlayer({0}) 播放失败：{1}", this.Name, nErr));
PlayStatus = PlayState.Error;
}
}
return(false);
}
public bool Slow() //慢放
{
if (PlayHandle > -1 && PlayStatus == PlayState.Play) //播放中
{
if (mIsFramePlay)
{
Normal();
}
if (HCNetSDKWrap.NET_DVR_PlayBackControl(PlayHandle, HCNetSDKWrap.NET_DVR_PLAYSLOW, 0, ref mOutValue))
{
mIsFramePlay = false;
return(true);
}
}
return(false);
}
protected void DoPlayDataCallback(int lRealHandle, int dwDataType, IntPtr pBuffer, int dwBufSize, int dwUser)
{
switch (dwDataType)
{
case HCNetSDKWrap.NET_DVR_SYSHEAD:
//System.Console.Out.WriteLine(Name + " DataType=" + dwDataType + ", Size=" + dwBufSize);
if (this.VideoSourceStatus != VideoSourceState.Norme)
{
//CLocalSystem.WriteLog("Debug", string.Format("{0} DataType={1}, Size={2}", Name, dwDataType, dwBufSize));
HCNetSDKWrap.PlayM4_ResetSourceBuffer(mPlayPort);
HCNetSDKWrap.PlayM4_ResetBuffer(mPlayPort, HCNetSDKWrap.BUF_VIDEO_SRC);
HCNetSDKWrap.PlayM4_ResetBuffer(mPlayPort, HCNetSDKWrap.BUF_VIDEO_RENDER);
MakeKeyFrame();
mCancelCount = 0;
//this.VideoSourceStatus = VideoSourceState.Norme;
}
break;
case HCNetSDKWrap.NET_DVR_STREAMDATA:
if (this.VideoSourceStatus != VideoSourceState.Norme)
{
mCancelCount++;
if (mCancelCount > (Config.FPS * 10))
{
this.VideoSourceStatus = VideoSourceState.Norme;
mCancelCount = 0;
}
}
//System.Console.Out.WriteLine(Name + " DataType=" + dwDataType + ", Size=" + dwBufSize);
break;
default:
CLocalSystem.WriteErrorLog(string.Format("HKDVRPlayer({0}) DataType={1}, Size={2}", Name, dwDataType, dwBufSize));
this.VideoSourceStatus = VideoSourceState.NoLink;
break;
}
}
public bool Play(bool mute)
{
if (PlayHandle > -1)
{
if (PlayStatus == PlayState.Close || PlayStatus == PlayState.End || PlayStatus == PlayState.Stop)
{
if (Close())
{
if (!Open(Target))
{
return(false);
}
}
}
IsMute = mute;
if (PlayStatus == PlayState.Open) //准备播放
{
if (HCNetSDKWrap.NET_DVR_PlayBackControl(PlayHandle, HCNetSDKWrap.NET_DVR_PLAYSTART, mInValue, ref mOutValue))
{
mOldPlayFrame = 0;
mIsFramePlay = false;
return(true);
}
}
else if (PlayStatus == PlayState.Pause) //暂停
{
if (HCNetSDKWrap.NET_DVR_PlayBackControl(PlayHandle, HCNetSDKWrap.NET_DVR_PLAYRESTART, 0, ref mOutValue))
{
mIsFramePlay = false;
return(true);
}
}
}
return(false);
}
protected override Bitmap GetCurFrame()
{
if (mPlayPort > -1 && this.VideoSourceStatus == VideoSourceState.Norme)
{
if (System.Threading.Monitor.TryEnter(mLockFrameObj))
{
try
{
int size = 0;
if (HCNetSDKWrap.PlayM4_GetBMP(mPlayPort, mBuffer, mBuffer.Length, ref size))
{
if (size > 0)
{
MemoryStream ms = new MemoryStream(mBuffer, 0, size);
try
{
mFrameErrorNum = 0;
return(new Bitmap(ms));
}
finally
{
ms.Close();
ms.Dispose();
}
}
}
else
{
mFrameErrorNum++;
HKPlayException hke = new HKPlayException(mPlayPort, "抓帧失败");
if (mFrameErrorNum > 500)
{
mFrameErrorNum = 0;
mFrameErrorCode = hke.Code;
CLocalSystem.WriteErrorLog(string.Format("HKDVRPlayer({0}).GetCurFrame HKError: {1}", Name, hke.Message));
if (mFrameErrorCode == 0)
{
this.VideoSourceStatus = VideoSourceState.FrameError;
//this.Reset(); //由视频源状态事件处理
}
}
else if (hke.Code != mFrameErrorCode)
{
mFrameErrorCode = hke.Code;
CLocalSystem.WriteErrorLog(string.Format("HKDVRPlayer({0}).GetCurFrame HKError: {1}", Name, hke.Message));
}
}
}
catch (Exception e)
{
CLocalSystem.WriteErrorLog(string.Format("HKDVRPlayer({0}).GetCurFrame Exception: {1}", Name, e));
}
finally
{
System.Threading.Monitor.Exit(mLockFrameObj);
}
}
}
else
{
CLocalSystem.WriteErrorLog(string.Format("HKDVRPlayer({0}).GetCurFrame StateError: PlayPort={1} VideoSourceStatus={2}", Name, mPlayPort, this.VideoSourceStatus));
}
return(null);
}
