static gboolean
gst_dx9screencapsrc_start (GstBaseSrc * bsrc)
{
GstDX9ScreenCapSrc *src = GST_DX9SCREENCAPSRC (bsrc);
D3DPRESENT_PARAMETERS d3dpp;
HMONITOR monitor;
HRESULT res;
src->frame_number = -1;
ZeroMemory (&d3dpp, sizeof (D3DPRESENT_PARAMETERS));
d3dpp.Windowed = TRUE;
d3dpp.Flags = D3DPRESENTFLAG_LOCKABLE_BACKBUFFER;
d3dpp.BackBufferFormat = src->disp_mode.Format;
d3dpp.BackBufferHeight = src->disp_mode.Height;
d3dpp.BackBufferWidth = src->disp_mode.Width;
d3dpp.BackBufferCount = 1;
d3dpp.MultiSampleType = D3DMULTISAMPLE_NONE;
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
d3dpp.hDeviceWindow = GetDesktopWindow ();
d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_DEFAULT;
d3dpp.FullScreen_RefreshRateInHz = D3DPRESENT_RATE_DEFAULT;
if (src->monitor >= IDirect3D9_GetAdapterCount (g_d3d9)) {
GST_ELEMENT_ERROR (src, RESOURCE, NOT_FOUND,
("Specified monitor with index %d not found", src->monitor), (NULL));
return FALSE;
}
res = IDirect3D9_CreateDevice (g_d3d9, src->monitor, D3DDEVTYPE_HAL,
GetDesktopWindow (), D3DCREATE_SOFTWARE_VERTEXPROCESSING,
&d3dpp, &src->d3d9_device);
if (FAILED (res))
return FALSE;
monitor = IDirect3D9_GetAdapterMonitor (g_d3d9, src->monitor);
GetMonitorInfo (monitor, &src->monitor_info);
return
SUCCEEDED (IDirect3DDevice9_CreateOffscreenPlainSurface (src->d3d9_device,
src->disp_mode.Width, src->disp_mode.Height, D3DFMT_A8R8G8B8,
D3DPOOL_SYSTEMMEM, &src->surface, NULL));
}
static HMONITOR get_adapter_monitor(base *d3dptr, UINT adapter)
{
IDirect3D9 *d3d9 = (IDirect3D9 *)d3dptr->d3dobj;
return IDirect3D9_GetAdapterMonitor(d3d9, adapter);
}
