public static void EventLoop()
{
while (true)
{
IntPtr ptr = mpv_wait_event(Handle, -1);
mpv_event evt = (mpv_event)Marshal.PtrToStructure(ptr, typeof(mpv_event));
if (WindowHandle == IntPtr.Zero)
{
WindowHandle = FindWindowEx(MainForm.Hwnd, IntPtr.Zero, "mpv", null);
}
// Debug.WriteLine(evt.event_id.ToString());
try
{
switch (evt.event_id)
{
case mpv_event_id.MPV_EVENT_SHUTDOWN:
if (App.DebugMode)
{
Trace.WriteLine("before Shutdown.Invoke");
}
Shutdown?.Invoke();
if (App.DebugMode)
{
Trace.WriteLine("after Shutdown.Invoke");
}
WriteHistory(null);
ShutdownAutoResetEvent.Set();
return;
case mpv_event_id.MPV_EVENT_LOG_MESSAGE:
LogMessage?.Invoke();
break;
case mpv_event_id.MPV_EVENT_GET_PROPERTY_REPLY:
GetPropertyReply?.Invoke();
break;
case mpv_event_id.MPV_EVENT_SET_PROPERTY_REPLY:
SetPropertyReply?.Invoke();
break;
case mpv_event_id.MPV_EVENT_COMMAND_REPLY:
CommandReply?.Invoke();
break;
case mpv_event_id.MPV_EVENT_START_FILE:
StartFile?.Invoke();
break;
case mpv_event_id.MPV_EVENT_END_FILE:
var end_fileData = (mpv_event_end_file)Marshal.PtrToStructure(evt.data, typeof(mpv_event_end_file));
EndFileEventMode reason = (EndFileEventMode)end_fileData.reason;
EndFile?.Invoke(reason);
break;
case mpv_event_id.MPV_EVENT_FILE_LOADED:
HideLogo();
FileLoaded?.Invoke();
WriteHistory(get_property_string("path"));
break;
case mpv_event_id.MPV_EVENT_TRACKS_CHANGED:
TracksChanged?.Invoke();
break;
case mpv_event_id.MPV_EVENT_TRACK_SWITCHED:
TrackSwitched?.Invoke();
break;
case mpv_event_id.MPV_EVENT_IDLE:
Idle?.Invoke();
if (get_property_int("playlist-count") == 0)
{
ShowLogo();
}
break;
case mpv_event_id.MPV_EVENT_PAUSE:
Pause?.Invoke();
break;
case mpv_event_id.MPV_EVENT_UNPAUSE:
Unpause?.Invoke();
break;
case mpv_event_id.MPV_EVENT_TICK:
Tick?.Invoke();
break;
case mpv_event_id.MPV_EVENT_SCRIPT_INPUT_DISPATCH:
ScriptInputDispatch?.Invoke();
break;
case mpv_event_id.MPV_EVENT_CLIENT_MESSAGE:
var client_messageData = (mpv_event_client_message)Marshal.PtrToStructure(evt.data, typeof(mpv_event_client_message));
string[] args = NativeUtf8StrArray2ManagedStrArray(client_messageData.args, client_messageData.num_args);
if (args.Length > 1 && args[0] == "mpv.net")
{
Command.Execute(args[1], args.Skip(2).ToArray());
}
else if (args.Length > 0)
{
ClientMessage?.Invoke(args);
}
break;
case mpv_event_id.MPV_EVENT_VIDEO_RECONFIG:
VideoReconfig?.Invoke();
break;
case mpv_event_id.MPV_EVENT_AUDIO_RECONFIG:
AudioReconfig?.Invoke();
break;
case mpv_event_id.MPV_EVENT_METADATA_UPDATE:
MetadataUpdate?.Invoke();
break;
case mpv_event_id.MPV_EVENT_SEEK:
Seek?.Invoke();
break;
case mpv_event_id.MPV_EVENT_PROPERTY_CHANGE:
var propData = (mpv_event_property)Marshal.PtrToStructure(evt.data, typeof(mpv_event_property));
if (propData.format == mpv_format.MPV_FORMAT_FLAG)
{
foreach (var i in BoolPropChangeActions)
{
if (i.Key == propData.name)
{
i.Value.Invoke(Marshal.PtrToStructure <int>(propData.data) == 1);
}
}
}
if (propData.format == mpv_format.MPV_FORMAT_STRING)
{
foreach (var i in StringPropChangeActions)
{
if (i.Key == propData.name)
{
i.Value.Invoke(StringFromNativeUtf8(Marshal.PtrToStructure <IntPtr>(propData.data)));
}
}
}
if (propData.format == mpv_format.MPV_FORMAT_INT64)
{
foreach (var i in IntPropChangeActions)
{
if (i.Key == propData.name)
{
i.Value.Invoke(Marshal.PtrToStructure <int>(propData.data));
}
}
}
break;
case mpv_event_id.MPV_EVENT_PLAYBACK_RESTART:
PlaybackRestart?.Invoke();
string path = get_property_string("path");
if (LastPlaybackRestartFile != path)
{
Size vidSize = new Size(get_property_int("dwidth"), get_property_int("dheight"));
if (vidSize.Width == 0 || vidSize.Height == 0)
{
vidSize = new Size(1, 1);
}
if (VideoSize != vidSize)
{
VideoSize = vidSize;
VideoSizeChanged?.Invoke();
}
VideoSizeAutoResetEvent.Set();
Task.Run(new Action(() => ReadMetaData()));
LastPlaybackRestartFile = path;
}
break;
case mpv_event_id.MPV_EVENT_CHAPTER_CHANGE:
ChapterChange?.Invoke();
break;
case mpv_event_id.MPV_EVENT_QUEUE_OVERFLOW:
QueueOverflow?.Invoke();
break;
case mpv_event_id.MPV_EVENT_HOOK:
Hook?.Invoke();
break;
}
}
catch (Exception ex)
{
Msg.ShowException(ex);
}
}
}
/// <summary>
/// Occurs when an event is received from MPV.
/// </summary>
private void Mpv_EventReceived(object sender, MpvMessageEventArgs e)
{
if (e.EventName == "start-file")
{
StartFile?.Invoke(this, new EventArgs());
}
else if (e.EventName == "end-file" && EndFile != null)
{
var args = new EndFileEventArgs();
if (Enum.TryParse(e.Data["reason"], true, out EndReason reason))
{
args.Reason = reason;
}
else
{
args.Reason = EndReason.Unknown;
}
EndFile?.Invoke(this, args);
}
else if (e.EventName == "file-loaded")
{
FileLoaded?.Invoke(this, new EventArgs());
}
else if (e.EventName == "seek")
{
Seek?.Invoke(this, new EventArgs());
}
else if (e.EventName == "playback-restart")
{
PlaybackRestart?.Invoke(this, new EventArgs());
}
else if (e.EventName == "idle")
{
Idle?.Invoke(this, new EventArgs());
}
else if (e.EventName == "tick")
{
Tick?.Invoke(this, new EventArgs());
}
else if (e.EventName == "shutdown")
{
Shutdown?.Invoke(this, new EventArgs());
}
else if (e.EventName == "log-message" && LogMessage != null)
{
var args = new LogMessageEventArgs
{
Prefix = e.Data["prefix"] ?? string.Empty,
Level = FlagExtensions.ParseMpvFlag <LogLevel>(e.Data["level"]) ?? LogLevel.No,
Text = e.Data["text"] ?? string.Empty
};
LogMessage?.Invoke(this, args);
}
else if (e.EventName == "video-reconfig")
{
VideoReconfig?.Invoke(this, new EventArgs());
}
else if (e.EventName == "audio-reconfig")
{
AudioReconfig?.Invoke(this, new EventArgs());
}
else if (e.EventName == "property-change" && PropertyChanged != null)
{
var args = new PropertyChangedEventArgs()
{
Id = e.Data["id"].Parse <int>() ?? 0,
Data = e.Data["data"] ?? string.Empty,
Name = e.Data["name"] ?? string.Empty
};
PropertyChanged?.Invoke(this, args);
}
}
public static void EventLoop()
{
while (true)
{
IntPtr ptr = mpv_wait_event(MpvHandle, -1);
mpv_event evt = (mpv_event)Marshal.PtrToStructure(ptr, typeof(mpv_event));
if (MpvWindowHandle == IntPtr.Zero)
{
MpvWindowHandle = FindWindowEx(MainForm.Hwnd, IntPtr.Zero, "mpv", null);
}
//Debug.WriteLine(evt.event_id.ToString());
switch (evt.event_id)
{
case mpv_event_id.MPV_EVENT_SHUTDOWN:
Shutdown?.Invoke();
AutoResetEvent.Set();
return;
case mpv_event_id.MPV_EVENT_LOG_MESSAGE:
LogMessage?.Invoke();
break;
case mpv_event_id.MPV_EVENT_GET_PROPERTY_REPLY:
GetPropertyReply?.Invoke();
break;
case mpv_event_id.MPV_EVENT_SET_PROPERTY_REPLY:
SetPropertyReply?.Invoke();
break;
case mpv_event_id.MPV_EVENT_COMMAND_REPLY:
CommandReply?.Invoke();
break;
case mpv_event_id.MPV_EVENT_START_FILE:
StartFile?.Invoke();
break;
case mpv_event_id.MPV_EVENT_END_FILE:
var end_fileData = (mpv_event_end_file)Marshal.PtrToStructure(evt.data, typeof(mpv_event_end_file));
EndFile?.Invoke((EndFileEventMode)end_fileData.reason);
break;
case mpv_event_id.MPV_EVENT_FILE_LOADED:
FileLoaded?.Invoke();
LoadFolder();
break;
case mpv_event_id.MPV_EVENT_TRACKS_CHANGED:
TracksChanged?.Invoke();
break;
case mpv_event_id.MPV_EVENT_TRACK_SWITCHED:
TrackSwitched?.Invoke();
break;
case mpv_event_id.MPV_EVENT_IDLE:
Idle?.Invoke();
break;
case mpv_event_id.MPV_EVENT_PAUSE:
Pause?.Invoke();
break;
case mpv_event_id.MPV_EVENT_UNPAUSE:
Unpause?.Invoke();
break;
case mpv_event_id.MPV_EVENT_TICK:
Tick?.Invoke();
break;
case mpv_event_id.MPV_EVENT_SCRIPT_INPUT_DISPATCH:
ScriptInputDispatch?.Invoke();
break;
case mpv_event_id.MPV_EVENT_CLIENT_MESSAGE:
if (ClientMessage != null)
{
try
{
var client_messageData = (mpv_event_client_message)Marshal.PtrToStructure(evt.data, typeof(mpv_event_client_message));
string[] args = NativeUtf8StrArray2ManagedStrArray(client_messageData.args, client_messageData.num_args);
if (args != null && args.Length > 1 && args[0] == "mpv.net")
{
bool found = false;
foreach (var i in mpvnet.Command.Commands)
{
if (args[1] == i.Name)
{
found = true;
i.Action.Invoke(args.Skip(2).ToArray());
}
}
if (!found)
{
List <string> names = mpvnet.Command.Commands.Select((item) => item.Name).ToList();
names.Sort();
MainForm.Instance.ShowMsgBox($"No command '{args[1]}' found. Available commands are:\n\n{string.Join("\n", names)}\n\nHow to bind these commands can be seen in the default input bindings and menu definition located at:\n\nhttps://github.com/stax76/mpv.net/blob/master/mpv.net/Resources/input.conf.txt", MessageBoxIcon.Error);
}
}
ClientMessage?.Invoke(args);
}
catch (Exception ex)
{
MainForm.Instance.ShowMsgBox(ex.GetType().Name + "\n\n" + ex.ToString(), MessageBoxIcon.Error);
}
}
break;
case mpv_event_id.MPV_EVENT_VIDEO_RECONFIG:
VideoReconfig?.Invoke();
break;
case mpv_event_id.MPV_EVENT_AUDIO_RECONFIG:
AudioReconfig?.Invoke();
break;
case mpv_event_id.MPV_EVENT_METADATA_UPDATE:
MetadataUpdate?.Invoke();
break;
case mpv_event_id.MPV_EVENT_SEEK:
Seek?.Invoke();
break;
case mpv_event_id.MPV_EVENT_PROPERTY_CHANGE:
var event_propertyData = (mpv_event_property)Marshal.PtrToStructure(evt.data, typeof(mpv_event_property));
if (event_propertyData.format == mpv_format.MPV_FORMAT_FLAG)
{
foreach (var i in BoolPropChangeActions)
{
if (i.Key == event_propertyData.name)
{
i.Value.Invoke(Marshal.PtrToStructure <int>(event_propertyData.data) == 1);
}
}
}
break;
case mpv_event_id.MPV_EVENT_PLAYBACK_RESTART:
PlaybackRestart?.Invoke();
Size s = new Size(get_property_int("dwidth"), get_property_int("dheight"));
if (VideoSize != s && s != Size.Empty)
{
VideoSize = s;
VideoSizeChanged?.Invoke();
}
break;
case mpv_event_id.MPV_EVENT_CHAPTER_CHANGE:
ChapterChange?.Invoke();
break;
case mpv_event_id.MPV_EVENT_QUEUE_OVERFLOW:
QueueOverflow?.Invoke();
break;
case mpv_event_id.MPV_EVENT_HOOK:
Hook?.Invoke();
break;
}
}
}
