/// <summary>
/// Decode this PDU from the PduMarshaler.
/// </summary>
/// <param name="marshaler">This is used to encode the fields of this PDU.</param>
public override bool Decode(PduMarshaler marshaler)
{
try
{
this.Header.cbSize = marshaler.ReadUInt32();
this.Header.PacketType = (PacketTypeValues)marshaler.ReadUInt32();
this.PresentatioinId = marshaler.ReadByte();
this.Version = (RdpevorVersionValues)marshaler.ReadByte();
this.Flags = (TsmmVideoData_FlagsValues)marshaler.ReadByte();
this.Reserved = marshaler.ReadByte();
this.HnsTimestamp = marshaler.ReadUInt64();
this.HnsDuration = marshaler.ReadUInt64();
this.CurrentPacketIndex = marshaler.ReadUInt16();
this.PacketsInSample = marshaler.ReadUInt16();
this.SampleNumber = marshaler.ReadUInt32();
this.cbSample = marshaler.ReadUInt32();
this.pSample = marshaler.ReadBytes((int)this.cbSample);
this.Reserved2 = marshaler.ReadByte();
return(true);
}
catch
{
marshaler.Reset();
throw new PDUDecodeException(this.GetType(), marshaler.ReadToEnd());
}
}
/// <summary>
/// Method to sent a sample to client.
/// </summary>
/// <param name="presentationId">This is the same number as the PresentationId field in the TSMM_PRESENTATION_REQUEST message.</param>
/// <param name="isKeyFrame">Is the sample a key frame.</param>
/// <param name="SampleNumber">The number of sample in the video stream.</param>
/// <param name="sampleData">The sample data in bytes which to be sent.</param>
public void SendVideoSample(byte presentationId, bool isKeyFrame, uint SampleNumber, byte[] sampleData, ulong timeStamp)
{
if (sampleData == null)
{
return;
}
ushort totalPackets = (ushort)(((sampleData.Length - 1) / LargestSampleSize) + 1);
for (ushort packetIndex = 1; packetIndex <= totalPackets; packetIndex++)
{
TsmmVideoData_FlagsValues flags = TsmmVideoData_FlagsValues.None;
if (isKeyFrame)
{
flags |= TsmmVideoData_FlagsValues.TSMM_VIDEO_DATA_FLAG_KEYFRAME;
}
int packetSize = LargestSampleSize;
if (packetIndex == totalPackets)
{
packetSize = sampleData.Length % LargestSampleSize;
flags |= TsmmVideoData_FlagsValues.TSMM_VIDEO_DATA_FLAG_HAS_TIMESTAMPS;
}
byte[] packetData = new byte[packetSize];
Array.Copy(sampleData, (packetIndex - 1) * LargestSampleSize, packetData, 0, packetSize);
SendVideoPacket(presentationId, flags, packetIndex, totalPackets, SampleNumber, packetData, timeStamp);
//System.Threading.Thread.Sleep(100);//Sleep 0.1 second to avoid this packet is merged with next one in TCP layer.
}
}
/// <summary>
/// Method to send a TSMM_VIDEO_DATA to client.
/// </summary>
/// <param name="presentationId">This is the same number as the PresentationId field in the TSMM_PRESENTATION_REQUEST message.</param>
/// <param name="flags">The bits of this integer indicate attributes of this message. </param>
/// <param name="packetIndex">This field contains the index of the current packet within the larger sample. </param>
/// <param name="totalPacketsInSample">This field contains the number of packets that make up the current sample.</param>
/// <param name="SampleNumber">This field contains the index of current sample in current presentation.</param>
/// <param name="packetData">The video data in bytes which to be sent.</param>
public void SendVideoPacket(byte presentationId, TsmmVideoData_FlagsValues flags, ushort packetIndex, ushort totalPacketsInSample, uint SampleNumber, byte[] packetData, ulong timeStamp)
{
TSMM_VIDEO_DATA videoDataPacket = rdpevorServer.CreateVideoDataPacket(presentationId, flags, packetIndex, totalPacketsInSample, SampleNumber, packetData, timeStamp);
if (this.testType == RdpevorNegativeType.VideoData_InvalidPacketLength)
{
//Set the packet length to an invalid value.
videoDataPacket.Header.cbSize = (uint)(videoDataPacket.Header.cbSize - 1);
}
else if (this.testType == RdpevorNegativeType.VideoData_InvalidVersion)
{
//Set version to an invalid value.
videoDataPacket.Version = RdpevorVersionValues.InvalidValue;
}
rdpevorServer.SendRdpevorDataPdu(videoDataPacket);
}
/// <summary>
/// Method to create a TSMM_VIDEO_DATA packet.
/// </summary>
/// <param name="presentationId">This is the same number as the PresentationId field in the TSMM_PRESENTATION_REQUEST message.</param>
/// <param name="flags">The bits of this integer indicate attributes of this message. </param>
/// <param name="packetIndex">This field contains the index of the current packet within the larger sample. </param>
/// <param name="totalPacketsInSample">This field contains the number of packets that make up the current sample.</param>
/// <param name="SampleNumber">The sample index in this presentation.</param>
/// <param name="videoData">The video data to be sent.</param>
public TSMM_VIDEO_DATA CreateVideoDataPacket(byte presentationId, TsmmVideoData_FlagsValues flags, ushort packetIndex, ushort totalPacketsInSample, uint SampleNumber, byte[] videoRawData, ulong timeStamp)
{
TSMM_VIDEO_DATA videoData = new TSMM_VIDEO_DATA();
videoData.Header.PacketType = PacketTypeValues.TSMM_PACKET_TYPE_VIDEO_DATA;
videoData.PresentatioinId = presentationId;
videoData.Version = RdpevorVersionValues.RDP8;
videoData.Flags = flags;
videoData.Reserved = 0;
if (packetIndex != totalPacketsInSample)
{
//HnsTimestamp and HnsDuration are only effective in the last packet of a sample.
videoData.HnsTimestamp = 0;
videoData.HnsDuration = 0;
}
else
{
videoData.HnsTimestamp = timeStamp;
videoData.HnsDuration = timeStamp - lastPacketTimestamp;
lastPacketTimestamp = videoData.HnsTimestamp;
}
videoData.CurrentPacketIndex = packetIndex;
videoData.PacketsInSample = totalPacketsInSample;
videoData.SampleNumber = SampleNumber;
if (videoRawData != null)
{
videoData.pSample = new byte[videoRawData.Length];
Array.Copy(videoRawData, videoData.pSample, videoRawData.Length);
videoData.Header.cbSize = (uint)(sizeOfVideoPacketFixedFields + videoData.pSample.Length);
videoData.cbSample = (uint)videoData.pSample.Length;
}
else
{
videoData.pSample = null;
videoData.Header.cbSize = sizeOfVideoPacketFixedFields;
videoData.cbSample = 0;
}
videoData.Reserved2 = 0;
return(videoData);
}
/// <summary>
/// Decode this PDU from the PduMarshaler.
/// </summary>
/// <param name="marshaler">This is used to encode the fields of this PDU.</param>
public override bool Decode(PduMarshaler marshaler)
{
try
{
this.Header.cbSize = marshaler.ReadUInt32();
this.Header.PacketType = (PacketTypeValues)marshaler.ReadUInt32();
this.PresentatioinId = marshaler.ReadByte();
this.Version = (RdpevorVersionValues)marshaler.ReadByte();
this.Flags = (TsmmVideoData_FlagsValues)marshaler.ReadByte();
this.Reserved = marshaler.ReadByte();
this.HnsTimestamp = marshaler.ReadUInt64();
this.HnsDuration = marshaler.ReadUInt64();
this.CurrentPacketIndex = marshaler.ReadUInt16();
this.PacketsInSample = marshaler.ReadUInt16();
this.SampleNumber = marshaler.ReadUInt32();
this.cbSample = marshaler.ReadUInt32();
this.pSample = marshaler.ReadBytes((int)this.cbSample);
this.Reserved2 = marshaler.ReadByte();
return true;
}
catch
{
marshaler.Reset();
throw new PDUDecodeException(this.GetType(), marshaler.ReadToEnd());
}
}
/// <summary>
/// Method to send a TSMM_VIDEO_DATA to client.
/// </summary>
/// <param name="presentationId">This is the same number as the PresentationId field in the TSMM_PRESENTATION_REQUEST message.</param>
/// <param name="flags">The bits of this integer indicate attributes of this message. </param>
/// <param name="packetIndex">This field contains the index of the current packet within the larger sample. </param>
/// <param name="totalPacketsInSample">This field contains the number of packets that make up the current sample.</param>
/// <param name="SampleNumber">This field contains the index of current sample in current presentation.</param>
/// <param name="packetData">The video data in bytes which to be sent.</param>
public void SendVideoPacket(byte presentationId, TsmmVideoData_FlagsValues flags, ushort packetIndex, ushort totalPacketsInSample, uint SampleNumber, byte[] packetData, ulong timeStamp)
{
TSMM_VIDEO_DATA videoDataPacket = rdpevorServer.CreateVideoDataPacket(presentationId, flags, packetIndex, totalPacketsInSample, SampleNumber, packetData, timeStamp);
if (this.testType == RdpevorNegativeType.VideoData_InvalidPacketLength)
{
//Set the packet length to an invalid value.
videoDataPacket.Header.cbSize = (uint)(videoDataPacket.Header.cbSize - 1);
}
else if (this.testType == RdpevorNegativeType.VideoData_InvalidVersion)
{
//Set version to an invalid value.
videoDataPacket.Version = RdpevorVersionValues.InvalidValue;
}
rdpevorServer.SendRdpevorDataPdu(videoDataPacket);
}
