public WirecastWatcher(Form1 form)
{
app = form;
app.SetWirecastWatcher(this);
while (true)
{
try
{
ConnectWirecast();
}
catch (Exception e)
{
if (IsCausedByCOM(e))
{
Console.Error.WriteLineAsync(string.Format("Error in connection to Wirecast: {0}. Trying to reconnect.", e));
}
else
{
throw e;
}
}
finally
{
app.SetWirecastDisconnected();
app.WriteError("Connection to Wirecast Application closed");
WirecastStatus status = new WirecastStatus();
status.isConnected = false;
string output = JsonConvert.SerializeObject(status);
app.ServerBroadcast(output);
}
Thread.Sleep(2000);
}
}
private void ProcessWirecast(WirecastBinding _Wirecast)
{
WirecastStatus status = new WirecastStatus();
status.isConnected = true;
for (uint i = 1; i <= _Wirecast.GetMasterLayerCount(); i++)
{
_Wirecast.SwitchLayer((int)i);
HashSet <int> knownShotIds = new HashSet <int>();
const uint minIdx = 2; // first index would be 1, but this is always the empty layer. We are not interested in this.
for (uint j = minIdx; j <= _Wirecast.GetShotCount(); j++)
{
ShotStatus shotStatus = new ShotStatus();
int shotId = _Wirecast.GetShotIDByIndex((int)j);
shotStatus.id = shotId;
shotStatus.name = _Wirecast.GetShotNameWithIndex((int)j);
shotStatus.layerIdx = i;
shotStatus.shotIdx = j;
status.shots.Add(shotStatus);
knownShotIds.Add(shotId);
}
if (_Wirecast.IsLayerVisible())
{
int previewId = _Wirecast.GetPreviewShotID();
if (knownShotIds.Contains(previewId))
{
// only add shotId if it is not the empty layer
status.previews.Add(previewId);
}
}
/* We MUST NOT assume that this shot is not visible because layer is not visible.
*
* When hiding a layer in Wirecast, it will not modify the output in any way
* unless AutoLive is enabled. So this could be live even though the layer
* is hidden.
*/
if (_Wirecast.IsLayerVisible() || !_Wirecast.IsAutoLiveOn())
{
int programId = _Wirecast.GetLiveShotID();
if (knownShotIds.Contains(programId))
{
// only add shotId if it is not the empty layer
status.lives.Add(programId);
}
}
}
status.isRecording = _Wirecast.IsRecording();
status.isBroadcasting = _Wirecast.IsBroadcasting();
string output = JsonConvert.SerializeObject(status);
app.ServerBroadcast(output);
}
private void ConnectWirecast()
{
WirecastStatus status = new WirecastStatus();
status.isConnected = false;
string output = JsonConvert.SerializeObject(status);
app.ServerBroadcast(output);
WirecastBinding _Wirecast = new WirecastBinding();
_Wirecast.Initialize();
Boolean valid = _Wirecast.SwitchDocument(1);
Boolean noDocLogged = false;
while (!valid)
{
app.SetWirecastNoDocument();
if (!noDocLogged)
{
app.WriteLog("The Wirecast Application exists, but no document has been opened yet.");
noDocLogged = true;
}
Thread.Sleep(1000);
valid = _Wirecast.SwitchDocument(1);
}
app.SetWirecastConnected();
app.WriteLog("Connected to Wirecast Application.");
while (true)
{
ProcessWirecast(_Wirecast);
Thread.Sleep(50);
}
}