static int FindDevicesCallback(vlc_object_t *object, const char *name,
char ***values, char ***descs)
{
enum_context_t ctx;
ctx.values = xmalloc(sizeof(char *));
ctx.descs = xmalloc(sizeof(char *));
ctx.values[0] = strdup("");
ctx.descs[0] = strdup(_("Default"));
ctx.count = 1;
/* Load direct draw DLL */
HINSTANCE hddraw_dll = LoadLibrary(_T("DDRAW.DLL"));
if (hddraw_dll != NULL)
{
/* Enumerate displays */
HRESULT (WINAPI *OurDirectDrawEnumerateEx)(LPDDENUMCALLBACKEXA,
LPVOID, DWORD) =
(void *)GetProcAddress(hddraw_dll, DIRECTDRAWENUMERATEEX_NAME);
if (OurDirectDrawEnumerateEx != NULL)
OurDirectDrawEnumerateEx(DirectXEnumCallback2, &ctx,
DDENUM_ATTACHEDSECONDARYDEVICES);
FreeLibrary(hddraw_dll);
}
VLC_UNUSED(object);
VLC_UNUSED(name);
*values = ctx.values;
*descs = ctx.descs;
return ctx.count;
}
static int FindDevicesCallback(vlc_object_t *object, char const *name,
vlc_value_t newval, vlc_value_t oldval, void *data)
{
VLC_UNUSED(newval);
VLC_UNUSED(oldval);
VLC_UNUSED(data);
module_config_t *item = config_FindConfig(object, name);
if (!item)
return VLC_SUCCESS;
/* Clear-up the current list */
if (item->i_list > 0) {
int i;
/* Keep the first entry */
for (i = 1; i < item->i_list; i++) {
free(item->ppsz_list[i]);
free(item->ppsz_list_text[i]);
}
/* TODO: Remove when no more needed */
item->ppsz_list[i] = NULL;
item->ppsz_list_text[i] = NULL;
}
item->i_list = 1;
/* Load direct draw DLL */
HINSTANCE hddraw_dll = LoadLibrary(_T("DDRAW.DLL"));
if (!hddraw_dll)
return VLC_SUCCESS;
/* Enumerate displays */
HRESULT (WINAPI *OurDirectDrawEnumerateEx)(LPDDENUMCALLBACKEXA,
LPVOID, DWORD) =
(void *)GetProcAddress(hddraw_dll, _T("DirectDrawEnumerateExA"));
if (OurDirectDrawEnumerateEx)
OurDirectDrawEnumerateEx(DirectXEnumCallback2, item,
DDENUM_ATTACHEDSECONDARYDEVICES);
FreeLibrary(hddraw_dll);
/* Signal change to the interface */
item->b_dirty = true;
return VLC_SUCCESS;
}
static int DirectXOpenDDraw(vout_display_t *vd)
{
vout_display_sys_t *sys = vd->sys;
HRESULT hr;
/* */
HRESULT (WINAPI *OurDirectDrawCreate)(GUID *,LPDIRECTDRAW *,IUnknown *);
OurDirectDrawCreate =
(void *)GetProcAddress(sys->hddraw_dll, _T("DirectDrawCreate"));
if (!OurDirectDrawCreate) {
msg_Err(vd, "DirectXInitDDraw failed GetProcAddress");
return VLC_EGENERIC;
}
/* */
HRESULT (WINAPI *OurDirectDrawEnumerateEx)(LPDDENUMCALLBACKEXA, LPVOID, DWORD);
OurDirectDrawEnumerateEx =
(void *)GetProcAddress(sys->hddraw_dll, _T("DirectDrawEnumerateExA"));
if (OurDirectDrawEnumerateEx) {
char *device = var_GetString(vd, "directx-device");
if (device) {
msg_Dbg(vd, "directx-device: %s", device);
free(device);
}
sys->hmonitor = MonitorFromWindow(sys->hwnd, MONITOR_DEFAULTTONEAREST);
/* Enumerate displays */
OurDirectDrawEnumerateEx(DirectXOpenDDrawCallback,
vd, DDENUM_ATTACHEDSECONDARYDEVICES);
}
/* Initialize DirectDraw now */
LPDIRECTDRAW ddobject;
hr = OurDirectDrawCreate(sys->display_driver, &ddobject, NULL);
if (hr != DD_OK) {
msg_Err(vd, "DirectXInitDDraw cannot initialize DDraw");
return VLC_EGENERIC;
}
/* Get the IDirectDraw2 interface */
hr = IDirectDraw_QueryInterface(ddobject, &IID_IDirectDraw2,
&sys->ddobject);
/* Release the unused interface */
IDirectDraw_Release(ddobject);
if (hr != DD_OK) {
msg_Err(vd, "cannot get IDirectDraw2 interface");
sys->ddobject = NULL;
return VLC_EGENERIC;
}
/* Set DirectDraw Cooperative level, ie what control we want over Windows
* display */
hr = IDirectDraw2_SetCooperativeLevel(sys->ddobject, NULL, DDSCL_NORMAL);
if (hr != DD_OK) {
msg_Err(vd, "cannot set direct draw cooperative level");
return VLC_EGENERIC;
}
/* Get the size of the current display device */
if (sys->hmonitor) {
MONITORINFO monitor_info;
monitor_info.cbSize = sizeof(MONITORINFO);
GetMonitorInfoA(vd->sys->hmonitor, &monitor_info);
sys->rect_display = monitor_info.rcMonitor;
} else {
sys->rect_display.left = 0;
sys->rect_display.top = 0;
sys->rect_display.right = GetSystemMetrics(SM_CXSCREEN);
sys->rect_display.bottom = GetSystemMetrics(SM_CYSCREEN);
}
msg_Dbg(vd, "screen dimensions (%lix%li,%lix%li)",
sys->rect_display.left,
sys->rect_display.top,
sys->rect_display.right,
sys->rect_display.bottom);
/* Probe the capabilities of the hardware */
DirectXGetDDrawCaps(vd);
return VLC_SUCCESS;
}
