static int DirectXLock(picture_t *picture)
{
DDSURFACEDESC ddsd;
if (DirectXLockSurface(picture->p_sys->front_surface,
picture->p_sys->surface, &ddsd))
return CommonUpdatePicture(picture, &picture->p_sys->fallback, NULL, 0);
CommonUpdatePicture(picture, NULL, ddsd.lpSurface, ddsd.lPitch);
return VLC_SUCCESS;
}
/**
* It locks the surface associated to the picture and get the surface
* descriptor which amongst other things has the pointer to the picture
* data and its pitch.
*/
static int Direct3DLockSurface(picture_t *picture)
{
/* Lock the surface to get a valid pointer to the picture buffer */
D3DLOCKED_RECT d3drect;
HRESULT hr = IDirect3DSurface9_LockRect(picture->p_sys->surface, &d3drect, NULL, 0);
if (FAILED(hr)) {
//msg_Dbg(vd, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
return CommonUpdatePicture(picture, &picture->p_sys->fallback, NULL, 0);
}
CommonUpdatePicture(picture, NULL, d3drect.pBits, d3drect.Pitch);
return VLC_SUCCESS;
}
