public static SdpRtpMap Parse(string str)
{
var match = REGEX.Match(str);
if (!match.Success)
{
throw new SdpParseException($"Unable to parse malformed rtpmap attriute '{str}'");
}
try
{
var builder = SdpRtpMap.CreateBuilder()
.PayloadType(ushort.Parse(match.Groups[1].Value))
.EncodingName(match.Groups[2].Value.Trim())
.ClockRate(uint.Parse(match.Groups[3].Value));
if (match.Groups.Count == 6)
{
builder.EncodingParameters(match.Groups[5].Value.Trim());
}
return(builder.Build());
}
catch (Exception e)
{
throw new SdpParseException($"Unable to parse rtpmap attribute '{str}'", e);
}
}
/// <summary>
/// Returns the assocciated rtpmap attributes as a list of <see cref="SdpRtpMap"/>
/// instances.
/// </summary>
/// <exception cref="SdpParseException">If a rtpmap attribuet is malformed.</exception>
/// <returns></returns>
public ImmutableList <SdpRtpMap> GetRtpMaps()
{
var builder = ImmutableList.CreateBuilder <SdpRtpMap>();
Attributes.Where(a => "rtpmap" == a.Name).ToList().ForEach(a =>
{
builder.Add(SdpRtpMap.Parse(a.Value));
});
return(builder.ToImmutable());
}