public static SdpConnectionData Parse(string line)
{
var tokens = line.Split(SEPARATOR, StringSplitOptions.RemoveEmptyEntries);
if (tokens.Length != 3)
{
throw new ArgumentException();
}
int offset = 0;
var result = new SdpConnectionData
{
NetType = tokens[offset++],
AddrType = tokens[offset++],
};
tokens = tokens[offset++].Split(DELIMITER, StringSplitOptions.RemoveEmptyEntries);
result.Address = IPAddress.Parse(tokens[0]);
if (tokens.Length == 2)
{
result.TimeToLive = byte.Parse(tokens[1]);
}
return(result);
}
static SdpMessage()
{
_builder = new PacketBuilder <SdpMessage>(6)
{
new SdpTag("v", (packet) => packet.Version, (packet, value) => packet.Version = value),
new SdpTag("o", (packet) => packet.Origin.Pack(), (packet, value) => packet.Origin = SdpOrigin.Parse(value)),
new SdpTag("s", (packet) => packet.SessionName, (packet, value) => packet.SessionName = value),
new SdpTag("c", (packet) => packet.ConnectionData.Pack(), (packet, value) => packet.ConnectionData = SdpConnectionData.Parse(value)),
new SdpTag("t", (packet) => packet.Timing.Pack(), (packet, value) => packet.Timing = SdpTiming.Parse(value)),
new SdpGrp("m", 3)
{
new SdpTag(p => p.Container.Kind.Pack(), (p, v) => p.Container.Kind = v.Unpack <MediaKind>()),
new SdpGrp(2)
{
new SdpTag(p => p.Container.Port.ToString(), (p, v) => p.Container.Port = int.Parse(v)),
new SdpTag(p => p.Container.PortCount.ToString(), (p, v) => p.Container.PortCount = int.Parse(v)),
}
.SetParam(p =>
{
p.Builder.Separator = "/";
p.Builder.TrailingSeparator = false;
}),
new SdpTag(p => p.Container.Protocol, (p, v) => p.Container.Protocol = v),
new SdpTag(p => string.Join(SPACE, p.Container.Formats.Keys), (p, v) => p.Container.Add(new SdpMediaFormat {
PayloadType = byte.Parse(v)
})),
}
.SetParam(p =>
{
p.Builder.Separator = SPACE;
p.Builder.TrailingSeparator = false;
}),
};
_builder.Encoding = Encoding.ASCII;
_builder.Equal = EQUAL;
_builder.Separator = SPACE + CRLF;
_builder.TrailingSeparator = true;
}
