void parseMixer(LiveProject.Track track, bool isMasterTrack)
{
while (reader.Read() && !(reader.NodeType == XmlNodeType.EndElement && reader.Name == "Mixer"))
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "Sends":
if (!reader.IsEmptyElement)
{
parseSends(track);
}
break;
case "Speaker":
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.Element && reader.Name == "BoolEvent")
{
track.IsSpeakerOn = getBoolValueAttrib();
break;
}
}
break;
case "Volume":
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.Element && reader.Name == "FloatEvent")
{
track.Volume = getDoubleValueAttrib();
break;
}
}
break;
case "Tempo":
if (isMasterTrack)
{
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.Element && reader.Name == "FloatEvent")
{
project.Tempo = getDoubleValueAttrib();
break;
}
}
}
break;
}
}
}
}
void visitTrack(LiveProject.Track projectTrack)
{
if (visitedTracks.Contains(projectTrack) || !projectTrack.IsSpeakerOn)
{
return;
}
visitedTracks.Add(projectTrack);
foreach (var projectReceive in trackReceives[projectTrack])
{
if (projectReceive.Volume > 0.0)
{
visitTrack(projectReceive.SendingTrack);
}
}
orderedTracks.Add(projectTrack);
}
void parseTrack(bool isMasterTrack = false, bool isReturnTrack = false)
{
var track = new LiveProject.Track();
returnSendInfos.Add(track, new List <ReturnSendInfo>());
if (!isMasterTrack)
{
track.Id = getAttrib("Id");
}
while (reader.Read() && !(reader.NodeType == XmlNodeType.EndElement && (reader.Name == "MasterTrack" || reader.Name == "MidiTrack" || reader.Name == "AudioTrack" || reader.Name == "ReturnTrack" || reader.Name == "GroupTrack")))
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "Name":
if (track.Name == null)
{
reader.ReadToFollowing("UserName");
track.Name = getValueAttrib();
}
break;
case "DeviceChain":
case "MasterChain":
if (!reader.IsEmptyElement)
{
parseDeviceChain(track, isMasterTrack);
}
break;
case "TrackGroupId":
track.TrackGroupId = getValueAttrib();
break;
}
}
}
project.Tracks.Add(track);
if (isReturnTrack)
{
project.ReturnTracks.Add(track);
}
if (isMasterTrack)
{
project.MasterTrack = track;
}
}
void parseDeviceChain(LiveProject.Track track, bool isMasterTrack)
{
while (reader.Read() && !(reader.NodeType == XmlNodeType.EndElement && (reader.Name == "DeviceChain" || reader.Name == "MasterChain")))
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "DeviceChain":
if (!reader.IsEmptyElement)
{
parseInnerDeviceChain(track);
}
break;
case "AudioOutputRouting":
if (!isMasterTrack)
{
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.Element && reader.Name == "Target")
{
outputRoutingStrings.Add(track, getValueAttrib());
break;
}
}
}
break;
case "Mixer":
if (!reader.IsEmptyElement)
{
parseMixer(track, isMasterTrack);
}
break;
case "MainSequencer":
if (!reader.IsEmptyElement)
{
parseMainSequencer(track);
}
break;
}
}
}
}
void parseClipTimeable(LiveProject.Track track)
{
while (reader.Read() && !(reader.NodeType == XmlNodeType.EndElement && reader.Name == "ClipTimeable"))
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "MidiClip":
if (!reader.IsEmptyElement)
{
parseMidiClip(track);
}
break;
}
}
}
}
void parseSends(LiveProject.Track track)
{
while (reader.Read() && !(reader.NodeType == XmlNodeType.EndElement && reader.Name == "Sends"))
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "TrackSendHolder":
var returnSendInfo = new ReturnSendInfo();
if (!reader.IsEmptyElement)
{
parseTrackSendHolder(returnSendInfo);
}
returnSendInfos[track].Add(returnSendInfo);
break;
}
}
}
}
void parseInnerDeviceChain(LiveProject.Track track)
{
while (reader.Read() && !(reader.NodeType == XmlNodeType.EndElement && reader.Name == "DeviceChain"))
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "PluginDevice":
var device = new LiveProject.Device();
if (!reader.IsEmptyElement)
{
parsePluginDevice(device);
}
track.Devices.Add(device);
break;
}
}
}
}
void parseMidiClip(LiveProject.Track track)
{
var midiClip = new LiveProject.MidiClip();
while (reader.Read() && !(reader.NodeType == XmlNodeType.EndElement && reader.Name == "MidiClip"))
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "CurrentStart":
midiClip.CurrentStart = getDoubleValueAttrib();
break;
case "CurrentEnd":
midiClip.CurrentEnd = getDoubleValueAttrib();
break;
case "Loop":
if (!reader.IsEmptyElement)
{
parseMidiClipLoop(midiClip);
}
break;
case "Disabled":
midiClip.IsDisabled = getBoolValueAttrib();
break;
case "KeyTracks":
if (!reader.IsEmptyElement)
{
parseKeyTracks(midiClip);
}
break;
}
}
}
track.MidiClips.Add(midiClip);
}
public Receive(LiveProject.Track sendingTrack, int receivingChannelIndex, double volume)
{
SendingTrack = sendingTrack;
ReceivingChannelIndex = receivingChannelIndex;
Volume = volume;
}
public LiveProject Process(string fileName)
{
project = new LiveProject();
outputRoutingStrings = new Dictionary <LiveProject.Track, string>();
returnSendInfos = new Dictionary <LiveProject.Track, List <ReturnSendInfo> >();
using (var originalStream = new FileInfo(fileName).OpenRead())
{
using (var decompressionStream = new GZipStream(originalStream, CompressionMode.Decompress))
{
using (reader = XmlReader.Create(decompressionStream))
{
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "Tracks":
while (reader.Read() && !(reader.NodeType == XmlNodeType.EndElement && reader.Name == "Tracks"))
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "MidiTrack":
case "AudioTrack":
case "GroupTrack":
parseTrack();
break;
case "ReturnTrack":
parseTrack(false, true);
break;
}
}
}
break;
case "MasterTrack":
parseTrack(true);
break;
case "Transport":
parseTransport();
break;
}
}
}
}
}
}
foreach (var kvp in outputRoutingStrings)
{
try
{
var routingString = kvp.Value;
switch (routingString)
{
case "AudioOut/None": break;
case "AudioOut/Master": kvp.Key.Sends.Add(new LiveProject.Send(project.MasterTrack, 1, 1.0, kvp.Key.IsSpeakerOn)); break;
default:
if (!routingString.StartsWith("AudioOut/"))
{
throw new Exception("routing string must begin with \"AudioOut/\"");
}
routingString = routingString.Replace("AudioOut/", "");
if (!routingString.StartsWith("Track.") && routingString != "GroupTrack")
{
throw new Exception("unrecognized routing string format");
}
string trackId = "";
string trackInputId = "";
if (routingString == "GroupTrack")
{
trackId = kvp.Key.TrackGroupId;
trackInputId = "";
}
else
{
routingString = routingString.Replace("Track.", "");
var parts = routingString.Split('/');
if (routingString != "GroupTrack" && parts.Length != 2)
{
throw new Exception("routing string has too many parts");
}
trackId = parts[0];
trackInputId = parts[1];
}
LiveProject.Track sendTarget = null;
int sendTargetChannelIndex = 1;
foreach (var track in project.Tracks)
{
if (track != kvp.Key && track.Id == trackId)
{
sendTarget = track;
break;
}
}
if (sendTarget == null)
{
throw new Exception("couldn't find target track");
}
if (routingString != "GroupTrack" && trackInputId != "TrackIn")
{
if (!trackInputId.StartsWith("DeviceIn."))
{
throw new Exception("unrecognized track input string");
}
trackInputId = trackInputId.Replace("DeviceIn.", "");
var parts = trackInputId.Split('.');
if (parts.Length != 2)
{
throw new Exception("unrecognized track device input string");
}
if (parts[1] != "S1")
{
throw new Exception("unrecognized track device input channel");
}
var deviceId = parts[0];
bool found = false;
foreach (var device in sendTarget.Devices)
{
if (device.Id == deviceId)
{
found = true;
break;
}
}
if (!found)
{
throw new Exception("couldn't find target track device");
}
sendTargetChannelIndex = 3;
}
kvp.Key.Sends.Add(new LiveProject.Send(sendTarget, sendTargetChannelIndex, 1.0, kvp.Key.IsSpeakerOn));
break;
}
}
catch (Exception e)
{
throw new Exception("Unrecognized AudioOutputRouting: " + kvp.Value + " (" + e.Message + ")");
}
}
foreach (var kvp in returnSendInfos)
{
foreach (var returnSendInfo in kvp.Value)
{
// Cull sends whose value is -inf
if (returnSendInfo.Volume > returnSendInfo.MinVolume)
{
kvp.Key.Sends.Add(new LiveProject.Send(project.ReturnTracks[kvp.Value.IndexOf(returnSendInfo)], 1, returnSendInfo.Volume, returnSendInfo.IsActive));
}
}
}
return(project);
}
