private string GetProperty(Rtcp.SDESType type)
{
string ret = null;
if (data[(int)type] != null)
{
lock (utf8)
{
ret = utf8.GetString(data[(int)type]);
}
}
return(ret);
}
private void WritePropertyToBuffer(Rtcp.SDESType type, byte[] data, BufferChunk buffer)
{
if (data != null)
{
// Type
buffer += (byte)type;
// Length
buffer += (byte)data.Length;
// Data
if (data.Length != 0)
{
buffer += data;
}
}
}
/// <summary>
/// ---------------------------------------------------------------------------------------
/// Purpose:
/// ---------------------------------------------------------------------------------------
/// Make sure the data will fit in the 255 bytes (length == 1 byte == byte.MaxValue)
/// available to it when converted to UTF8 for transmission across the wire
///
/// ---------------------------------------------------------------------------------------
/// General structure of an SDES property:
/// ---------------------------------------------------------------------------------------
/// 0 1 2 3
/// 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
/// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
/// | SDES=N | length | data ...
/// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
/// </summary>
/// <param name="data"></param>
private void SetProperty(string data, Rtcp.SDESType type)
{
byte[] bytes = null;
if (data != null)
{
lock (utf8)
{
bytes = utf8.GetBytes(data);
}
// Check to see if it is too long
if (bytes.Length > MAX_PROPERTY_LENGTH)
{
throw new ArgumentException(string.Format(CultureInfo.CurrentCulture, Strings.SDESItemDataBytesExceeded,
MAX_PROPERTY_LENGTH, bytes.Length, data));
}
}
this.data[(int)type] = bytes;
}
/// <summary>
/// ---------------------------------------------------------------------------------------
/// Purpose:
/// ---------------------------------------------------------------------------------------
/// Make sure the data will fit in the 255 bytes (length == 1 byte == byte.MaxValue)
/// available to it when converted to UTF8 for transmission across the wire
///
/// ---------------------------------------------------------------------------------------
/// General structure of an SDES property:
/// ---------------------------------------------------------------------------------------
/// 0 1 2 3
/// 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
/// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
/// | SDES=N | length | data ...
/// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
/// </summary>
/// <param name="data"></param>
private void SetProperty(string data, Rtcp.SDESType type)
{
byte[] bytes = null;
if (data != null)
{
lock (utf8)
{
bytes = utf8.GetBytes(data);
}
// Check to see if it is too long
if (bytes.Length > MAX_PROPERTY_LENGTH)
{
throw new ArgumentException(string.Format("An SDES item's data can not exceed " +
"{0} UTF8 bytes: {1}, {2}",
MAX_PROPERTY_LENGTH, bytes.Length, data));
}
}
this.data[(int)type] = bytes;
}
