private static TS_BITMAPCODEC CreateTS_BITMAPCODEC_RemoteFX()
{
TS_BITMAPCODEC bitmapCodec = new TS_BITMAPCODEC();
bitmapCodec.codecGUID.codecGUID1 = 0x76772F12;
bitmapCodec.codecGUID.codecGUID2 = 0xBD72;
bitmapCodec.codecGUID.codecGUID3 = 0x4463;
bitmapCodec.codecGUID.codecGUID4 = 0xAF;
bitmapCodec.codecGUID.codecGUID5 = 0xB3;
bitmapCodec.codecGUID.codecGUID6 = 0xB7;
bitmapCodec.codecGUID.codecGUID7 = 0x3C;
bitmapCodec.codecGUID.codecGUID8 = 0x9C;
bitmapCodec.codecGUID.codecGUID9 = 0x6F;
bitmapCodec.codecGUID.codecGUID10 = 0x78;
bitmapCodec.codecGUID.codecGUID11 = 0x86;
bitmapCodec.codecID = 0;
bitmapCodec.codecPropertiesLength = 4;
bitmapCodec.codecProperties = new byte[4];//TS_RFX_SRVR_CAPS_CONTAINER, reserved, 4 bytes, all zero.
return bitmapCodec;
}
private static TS_BITMAPCODEC CreateTS_BITMAPCODEC_NSCodec()
{
TS_BITMAPCODEC bitmapCodec = new TS_BITMAPCODEC();
bitmapCodec.codecGUID.codecGUID1 = 0xCA8D1BB9;
bitmapCodec.codecGUID.codecGUID2 = 0x000F;
bitmapCodec.codecGUID.codecGUID3 = 0x154F;
bitmapCodec.codecGUID.codecGUID4 = 0x58;
bitmapCodec.codecGUID.codecGUID5 = 0x9F;
bitmapCodec.codecGUID.codecGUID6 = 0xAE;
bitmapCodec.codecGUID.codecGUID7 = 0x2D;
bitmapCodec.codecGUID.codecGUID8 = 0x1A;
bitmapCodec.codecGUID.codecGUID9 = 0x87;
bitmapCodec.codecGUID.codecGUID10 = 0xE2;
bitmapCodec.codecGUID.codecGUID11 = 0xD6;
bitmapCodec.codecID = 0;
bitmapCodec.codecPropertiesLength = 3;
bitmapCodec.codecProperties = new byte[3];
bitmapCodec.codecProperties[0] = 0x01; //fAllowDynamicFidelity
bitmapCodec.codecProperties[1] = 0x01; //fAllowSubsampling
bitmapCodec.codecProperties[2] = 0x03; //colorLossLevel
return bitmapCodec;
}
/// <summary>
/// Generate a random bitmap codec structure used for test
/// </summary>
/// <returns></returns>
private TS_BITMAPCODEC GenerateBitmapCodedcForTest()
{
TS_BITMAPCODEC bitmapCodec = new TS_BITMAPCODEC();
byte[] guidData = new byte[16];
random.NextBytes(guidData);
bitmapCodec.codecGUID.codecGUID1 = BitConverter.ToUInt32(guidData, 0);
bitmapCodec.codecGUID.codecGUID2 = BitConverter.ToUInt16(guidData, 4);
bitmapCodec.codecGUID.codecGUID3 = BitConverter.ToUInt16(guidData, 6);
bitmapCodec.codecGUID.codecGUID4 = guidData[8];
bitmapCodec.codecGUID.codecGUID5 = guidData[9];
bitmapCodec.codecGUID.codecGUID6 = guidData[10];
bitmapCodec.codecGUID.codecGUID7 = guidData[11];
bitmapCodec.codecGUID.codecGUID8 = guidData[12];
bitmapCodec.codecGUID.codecGUID9 = guidData[13];
bitmapCodec.codecGUID.codecGUID10 = 0xFF; // Specify this field to a constant value, prevent the random GUID coincidentally same as a real codec GUID.
bitmapCodec.codecGUID.codecGUID11 = guidData[15];
bitmapCodec.codecPropertiesLength = (ushort)random.Next(2, 10);
if (bitmapCodec.codecPropertiesLength != 0)
{
bitmapCodec.codecProperties = new byte[bitmapCodec.codecPropertiesLength];
random.NextBytes(bitmapCodec.codecProperties);
}
return bitmapCodec;
}
/// <summary>
/// Create a TS_BITMAPCODECS_CAPABILITYSET type Capability, 2.2.7.2.10
/// Problem: lengthCapability may be wrong, as different from previous value
/// </summary>
///<param name="isNSCodecPresent">Indicates if present NS codec.</param>
///<param name="isRemoteFxCodecPresent">Indicates if present RemoteFX codec.</param>
/// <returns>TS_BITMAPCODECS_CAPABILITYSET type Capability</returns>
public static TS_BITMAPCODECS_CAPABILITYSET CreateBitmapCodecsCapSet(bool isNSCodecPresent, bool isRemoteFxCodecPresent)
{
TS_BITMAPCODEC[] codecArr;
if (isNSCodecPresent && isRemoteFxCodecPresent)
{
codecArr = new TS_BITMAPCODEC[2];
codecArr[0] = CreateTS_BITMAPCODEC_NSCodec();
codecArr[1] = CreateTS_BITMAPCODEC_RemoteFX();
}
else if (isRemoteFxCodecPresent)
{
codecArr = new TS_BITMAPCODEC[1];
codecArr[0] = CreateTS_BITMAPCODEC_RemoteFX();
}
else
{
codecArr = new TS_BITMAPCODEC[1];
codecArr[0] = CreateTS_BITMAPCODEC_NSCodec();
}
TS_BITMAPCODECS_CAPABILITYSET codecCapSet = new TS_BITMAPCODECS_CAPABILITYSET();
codecCapSet.capabilitySetType = capabilitySetType_Values.CAPSETTYPE_BITMAP_CODECS;
codecCapSet.supportedBitmapCodecs.bitmapCodecCount = (byte)codecArr.Length;
codecCapSet.supportedBitmapCodecs.bitmapCodecArray = codecArr;
//<needcheck>
// capabilitySetType (2 bytes) + lengthCapability (2 bytes) + bitmapCodecCount (1 byte)
codecCapSet.lengthCapability = (ushort)(2 + 2 + 1);
for (int index = 0; index < codecCapSet.supportedBitmapCodecs.bitmapCodecCount; ++index)
{
//codecGUID (16 bytes) + codecID (1 byte) + codecPropertiesLength (2 bytes) + codecProperties (variable)
codecCapSet.lengthCapability += (ushort)(16 + 1 + 2 + codecCapSet.supportedBitmapCodecs.bitmapCodecArray[index].codecPropertiesLength);
}
return codecCapSet;
}
/// <summary>
/// Parse TS_BITMAPCODEC
/// (parser index is updated according to parsed length)
/// </summary>
/// <param name="data">data to be parsed</param>
/// <param name="currentIndex">current parser index</param>
/// <returns>TS_BITMAPCODEC</returns>
private TS_BITMAPCODEC ParseTsBitmapCodec(byte[] data, ref int currentIndex)
{
TS_BITMAPCODEC codec = new TS_BITMAPCODEC();
// TS_BITMAPCODEC: codecGUID
codec.codecGUID = ParseTsBitmapCodecGuid(data, ref currentIndex);
// TS_BITMAPCODEC: codecID
codec.codecID = ParseByte(data, ref currentIndex);
// TS_BITMAPCODEC: codecPropertiesLength
codec.codecPropertiesLength = ParseUInt16(data, ref currentIndex, false);
// TS_BITMAPCODEC: codecProperties
codec.codecProperties = GetBytes(data, ref currentIndex, (int)codec.codecPropertiesLength);
return codec;
}