public bool Open(IntPtr buffer, uint bufferSize)
{
if (this.openState == OpenStateEnum.Close)
{
InputLock.WaitOne();
if (!PlayCtrl.PlayM4_GetPort(ref playerPort)) return false;
if (!PlayCtrl.PlayM4_SetStreamOpenMode(playerPort, PlayCtrl.STREAME_REALTIME)) return false;
if (!PlayCtrl.PlayM4_OpenStream(playerPort, buffer, bufferSize, 600 * 1024)) return false;
if (!PlayCtrl.PlayM4_GetPictureSize(playerPort, out this.width, out this.height)) return false;
if (!PlayCtrl.PlayM4_SetDecCBStream(playerPort, 1)) return false;
this.DecCBCallbackHandle = new PlayCtrl.DecCBFun(this.DecCallBack);
if (!PlayCtrl.PlayM4_SetDecCallBack(playerPort, this.DecCBCallbackHandle)) return false;
if (!PlayCtrl.PlayM4_Play(playerPort, IntPtr.Zero)) return false;
Marshal.FreeHGlobal(buffer);
this.openState = OpenStateEnum.RealDecode;
InputLock.Set();
return true;
}
else if (this.openState == OpenStateEnum.RealDecode)
{
PlayCtrl.PlayM4_InputData(playerPort, buffer, bufferSize);
Marshal.FreeHGlobal(buffer);
}
return false;
}
//public void FileRefDone(int nPort, ushort nUser)
//{
// ushort nSize = 0;
// PlayCtrl.PlayM4_GetRefValue(nPort, IntPtr.Zero, ref nSize);
// byte[] Datas = new byte[nSize];
// GCHandle hObject = GCHandle.Alloc(Datas, GCHandleType.Pinned);
// IntPtr pObject = hObject.AddrOfPinnedObject();
// PlayCtrl.PlayM4_GetRefValue(nPort, pObject, ref nSize);
// PlayCtrl.PlayM4_SetRefValue(nPort, pObject, nSize);
// if (hObject.IsAllocated) hObject.Free();
//}
public bool Open(string file, IntPtr handle)
{
FileInfo record = new FileInfo(file);
if (!record.Exists) throw new ApplicationException("Record is not exist!|Open");
if (this.openState != OpenStateEnum.Close) throw new ApplicationException("Record has Opened!|Open");
//生成索引
//PlayCtrl.PlayM4_SetFileRefCallBack(0, FileRefDone, 0);
if (!PlayCtrl.PlayM4_GetPort(ref this.playerPort)) return false;
if (playerPort < 0 || playerPort > 500) throw new ArgumentOutOfRangeException("Port out of range!|Open");
if (this.handle == IntPtr.Zero && handle != IntPtr.Zero) this.handle = handle;
if (this.handle != IntPtr.Zero)
PlayCtrl.PlayM4_SetFileEndMsg(playerPort, handle, 0x1111);
if (PlayCtrl.PlayM4_OpenFile(playerPort, file))
{
this.openState = OpenStateEnum.FilePlay;
this.DrawCallbackHandle = new PlayCtrl.DrawFun(DrawCallback);
//注册绘图回调函数
PlayCtrl.PlayM4_RigisterDrawFun(this.playerPort, this.DrawCallbackHandle, 0);
return true;
}
else return false;
}
public bool Open(string file)
{
FileInfo record = new FileInfo(file);
if (!record.Exists) throw new ApplicationException("Record is not exist!|OpenFileDecode");
ushort headLength = 40;//PlayCtrl.PlayM4_GetFileHeadLength();
if (record.Length < headLength) throw new ApplicationException("Head length error!|OpenFileDecode");
byte[] headData = new byte[headLength];
IntPtr headBuffer = Marshal.AllocHGlobal(headData.Length);
FileStream recordStream = new FileStream(record.FullName, FileMode.Open, FileAccess.Read);
recordStream.Read(headData, 0, Convert.ToInt32(headLength));
Marshal.Copy(headData, 0, headBuffer, headLength);
if (!PlayCtrl.PlayM4_GetPort(ref playerPort)) return false;
if (!PlayCtrl.PlayM4_SetStreamOpenMode(playerPort, PlayCtrl.STREAME_FILE)) return false;
if (!PlayCtrl.PlayM4_OpenStream(playerPort, headBuffer, Convert.ToUInt32(headData.Length), 600 * 1024)) return false;
if (!PlayCtrl.PlayM4_SetDecCBStream(playerPort, 1)) return false;
this.DecCBCallbackHandle = new PlayCtrl.DecCBFun(this.DecCallBack);
if (!PlayCtrl.PlayM4_SetDecCallBack(playerPort, this.DecCBCallbackHandle)) return false;
if (!PlayCtrl.PlayM4_Play(playerPort, IntPtr.Zero)) return false;
this.openState = OpenStateEnum.FileDecode;
Marshal.FreeHGlobal(headBuffer);
if (this.decodeCallback != null)
ThreadPool.QueueUserWorkItem(new WaitCallback(RecordCall), recordStream);
return true;
}
public bool Close()
{
if (this.playerPort >= 0)
{
switch (this.openState)
{
case OpenStateEnum.FilePlay:
PlayCtrl.PlayM4_CloseFile(playerPort);
PlayCtrl.PlayM4_FreePort(this.playerPort);
this.handle = IntPtr.Zero;
this.playSpeed = 0;
this.playerPort = -1;
this.playState = PlayStateEnum.Other;
this.openState = OpenStateEnum.Close;
break;
case OpenStateEnum.FileDecode:
PlayCtrl.PlayM4_CloseStream(this.playerPort);
PlayCtrl.PlayM4_FreePort(this.playerPort);
break;
case OpenStateEnum.RealDecode:
break;
case OpenStateEnum.Close:
case OpenStateEnum.Other:
default:
break;
}
this.openState = OpenStateEnum.Close;
this.playerPort = -1;
}
return true;
}
