public override void Draw(RenderState rstate)
{
Mpv.mpv_event *ev = Mpv.mpv_wait_event(mpvhandle, 0);
while (ev->event_id != Mpv.mpv_event_id.MPV_EVENT_NONE)
{
if (ev->event_id == Mpv.mpv_event_id.MPV_EVENT_END_FILE)
{
Playing = false;
}
ev = Mpv.mpv_wait_event(mpvhandle, 0);
}
if (disposed)
{
return;
}
game.UnbindAll();
RenderTarget2D.ClearBinding();
game.TrashGLState();
if (firstDraw)
{
firstDraw = false;
framebuffer.BindFramebuffer();
rstate.ClearColor = Color4.Black;
rstate.ClearAll();
RenderTarget2D.ClearBinding();
}
if (doDraw)
{
rstate.Cull = false;
rstate.Apply();
Mpv.mpv_opengl_cb_draw(mpvgl, (int)framebuffer.FBO, game.Width, game.Height);
doDraw = false;
rstate.Cull = true;
}
}
static void CheckError(int status)
{
if (status < 0)
{
throw new Exception(Mpv.mpv_error_string(status));
}
}
public override bool Init()
{
FLLog.Info("Video", "Opening mpv backend");
if (!Mpv.LoadLibrary(mpvo))
{
return(false);
}
try
{
//mpv will not run unless lc_numeric is "C"
IntPtr locale;
if ((locale = setlocale(LC_NUMERIC, "C")) == IntPtr.Zero)
{
throw new Exception("setlocale(LC_NUMERIC, \"C\") failed");
}
mpvhandle = Mpv.mpv_create();
if (mpvhandle == IntPtr.Zero)
{
throw new Exception("mpv_create failed");
}
CheckError(Mpv.mpv_initialize(mpvhandle));
mpvgl = Mpv.mpv_get_sub_api(mpvhandle, Mpv.mpv_sub_api.MPV_SUB_API_OPENGL_CB);
CheckError(Mpv.mpv_opengl_cb_init_gl(mpvgl, IntPtr.Zero, GetProcAddress, IntPtr.Zero));
CheckError(Mpv.mpv_set_option_string(mpvhandle, "vo", "opengl-cb"));
update = ctx => game.QueueUIThread(() => doDraw = true);
Mpv.mpv_opengl_cb_set_update_callback(mpvgl, update, IntPtr.Zero);
}
catch (Exception ex)
{
FLLog.Info("mpv", "Failed to initialize: " + ex.Message);
return(false);
}
return(true);
}
public override void Dispose()
{
disposed = true;
if (mpvhandle != IntPtr.Zero)
{
FLLog.Info("Video", "Closing mpv backend");
Mpv.mpv_opengl_cb_uninit_gl(mpvgl);
Mpv.mpv_terminate_destroy(mpvhandle);
framebuffer.Dispose();
Playing = false;
}
}
public override void PlayFile(string filename)
{
Playing = true;
CheckError(Mpv.mpv_command(mpvhandle, "loadfile", filename));
}
