DOSBox 0.74-3 Demo Record hack

dosbox-demo-record-hack.patch

--- dosbox-0.74-3/src/gui/sdlmain.cpp   2019-06-26 09:56:44.000000000 -0500
+++ dosbox-0.74-3-dev/src/gui/sdlmain.cpp       2019-09-06 12:05:17.963048000 -0500
@@ -284,6 +284,12 @@
 bool startup_state_numlock=false;
 bool startup_state_capslock=false;

+#ifdef C_SSHOT
+// demo recording hack
+int demostart = 0;
+int demoend = 0;
+#endif
+
 void GFX_SetTitle(Bit32s cycles,Bits frameskip,bool paused){
        char title[200]={0};
        static Bit32s internal_cycles=0;
@@ -1098,6 +1104,11 @@
        sdl.desktop.fullscreen=section->Get_bool("fullscreen");
        sdl.wait_on_error=section->Get_bool("waitonerror");

+#ifdef C_SSHOT
+       demostart = section->Get_int("demostart");
+       demoend = section->Get_int("demoend");
+#endif
+
        Prop_multival* p=section->Get_multival("priority");
        std::string focus = p->GetSection()->Get_string("active");
        std::string notfocus = p->GetSection()->Get_string("inactive");
@@ -1451,6 +1462,26 @@
        last_check = current_check;
 #endif

+#ifdef C_SSHOT
+       // hack for demo timing
+       if (demostart || demoend) {
+               int demotime = GetTicks();
+               if (demostart && (demostart < demotime)) {
+                       LOG_MSG("demostart time %u reached, recording",demostart);
+
+                       void CAPTURE_VideoEvent(bool pressed);
+                       CAPTURE_VideoEvent(true);
+
+                       demostart = 0;
+               }
+               if (demoend && (demoend < demotime)) {
+                       LOG_MSG("demoend time %u reached, quitting",demoend);
+
+                       throw(0);
+               }
+       }
+#endif
+
        SDL_Event event;
 #if defined (REDUCE_JOYSTICK_POLLING)
        static int poll_delay = 0;
@@ -1676,6 +1707,13 @@

        Pbool = sdl_sec->Add_bool("waitonerror",Property::Changeable::Always, true);
        Pbool->Set_help("Wait before closing the console if dosbox has an error.");
+
+#ifdef C_SSHOT
+       Pint = sdl_sec->Add_int("demostart",Property::Changeable::OnlyAtStart,0);
+       Pint->Set_help("Time delay before recording demo, milliseconds (0 disables)");
+       Pint = sdl_sec->Add_int("demoend",Property::Changeable::OnlyAtStart,0);
+       Pint->Set_help("Time delay before exiting program, milliseconds (0 disables)");
+#endif

        Pmulti = sdl_sec->Add_multi("priority", Property::Changeable::Always, ",");
        Pmulti->SetValue("higher,normal");

--- dosbox-0.74-3/src/hardware/hardware.cpp     2019-05-02 12:01:18.000000000 -0500
+++ dosbox-0.74-3-dev/src/hardware/hardware.cpp 2019-09-06 12:27:28.805591000 -0500
@@ -161,7 +161,7 @@
 #endif

 #if (C_SSHOT)
-static void CAPTURE_VideoEvent(bool pressed) {
+void CAPTURE_VideoEvent(bool pressed) {
  if (!pressed)
        return;
  if (CaptureState & CAPTURE_VIDEO) {