public MpvWrapper(IntPtr systemHandle, MpvStatus mpvStatus)
{
SystemHandle = systemHandle;
MpvStatus = mpvStatus;
MpvHandle = Libmpv.mpv_create();
Initialize();
EventTask = new MpvEventTask(this, MpvStatus, EventTaskCancellationTokenSource).StartEventTask();
}
private void DoCommand(params string[] commands)
{
var err = Libmpv.ExecuteCommand(MpvHandle, commands);
if (err != Libmpv.mpv_error.MPV_ERROR_SUCCESS)
{
throw new LibMpvException(err);
}
}
private void Initialize()
{
Libmpv.set_property_string(MpvHandle, "wid", SystemHandle.ToString());
Libmpv.set_property_string(MpvHandle, "osc", "no");
Libmpv.set_property_string(MpvHandle, "force-window", "no");
Libmpv.set_property_string(MpvHandle, "no-taskbar-progress", "no");
var err = Libmpv.mpv_initialize(MpvHandle);
if (err != Libmpv.mpv_error.MPV_ERROR_SUCCESS)
{
throw new LibMpvException(err);
}
MpvObservables.SetupObservables(MpvHandle);
}
private void WaitForEvent(Libmpv.mpv_event_id eventId)
{
while (true)
{
var ptr = Libmpv.mpv_wait_event(MpvHandle, -1);
if (Marshal.PtrToStructure(ptr, typeof(Libmpv.mpv_event)) is Libmpv.mpv_event evt)
{
if (evt.event_id == eventId)
{
break;
}
}
}
}
public IEnumerable <MediaTrack> GetTracks()
{
var count = Libmpv.get_property_int(MpvHandle, "track-list/count");
for (var i = 0; i < count; i++)
{
var type = Libmpv.get_property_string(MpvHandle, $"track-list/{i}/type");
if (type == "video")
{
continue;
}
yield return(new MediaTrack(type == "sub" ? MediaTrackType.Subtitle : MediaTrackType.Audio,
GetLanguage(Libmpv.get_property_string(MpvHandle, $"track-list/{i}/lang")),
Libmpv.get_property_int(MpvHandle, $"track-list/{i}/id"),
Libmpv.get_property_string(MpvHandle, $"track-list/{i}/title")));
}
}
public static string GetMessage(this Libmpv.mpv_error err) => ConvertFromUtf8(Libmpv.mpv_error_string(err));
public void Close()
{
Libmpv.mpv_terminate_destroy(MpvHandle);
EventTaskCancellationTokenSource?.Cancel();
EventTask?.Dispose();
}