public void AddRequestFormat(MsexVersion peerMsexVersion, RequestStreamMessagePacket packet)
{
if (SourceIdentifier == -1)
{
SourceIdentifier = packet.SourceIdentifier;
}
else if (SourceIdentifier != packet.SourceIdentifier)
{
throw new InvalidOperationException("Cannot add request format, source id does not match");
}
FrameWidth = Math.Max(FrameWidth, packet.FrameWidth);
FrameHeight = Math.Max(FrameHeight, packet.FrameHeight);
Fps = Math.Max(Fps, packet.Fps);
var format = Formats.FirstOrDefault(r => r.FrameFormat == packet.FrameFormat &&
r.IsVersion12 == (peerMsexVersion == MsexVersion.Version1_2));
if (format != null)
{
Formats.Remove(format);
format = new RequestFormat(format.FrameFormat, peerMsexVersion);
Formats.Add(format);
var packetExpireAt = DateTime.Now + TimeSpan.FromSeconds(packet.Timeout);
if (packetExpireAt > format.ExpireAt)
{
format.ExpireAt = packetExpireAt;
}
}
else
{
Formats.Add(new RequestFormat(packet.FrameFormat, peerMsexVersion)
{
LastOutput = DateTime.MinValue,
ExpireAt = DateTime.Now + TimeSpan.FromSeconds(packet.Timeout)
});
}
}
public RequestFormat(MsexImageFormat frameFormat, MsexVersion version)
{
FrameFormat = frameFormat;
Version = version;
}
