Ejemplo n.º 1
0
/******************************************************************************
 *              MCIAVI_mciUpdate            [internal]
 */
static DWORD MCIQTZ_mciUpdate(UINT wDevID, DWORD dwFlags, LPMCI_DGV_UPDATE_PARMS lpParms)
{
    WINE_MCIQTZ *wma;
    DWORD res = 0;

    TRACE("%04x, %08x, %p\n", wDevID, dwFlags, lpParms);

    if (!lpParms)
        return MCIERR_NULL_PARAMETER_BLOCK;

    wma = MCIQTZ_mciGetOpenDev(wDevID);
    if (!wma)
        return MCIERR_INVALID_DEVICE_ID;

    if (dwFlags & MCI_DGV_UPDATE_HDC) {
        LONG state, size;
        BYTE *data;
        BITMAPINFO *info;
        HRESULT hr;
        RECT src, dest;
        LONG visible = OATRUE;

        res = MCIERR_INTERNAL;
        IMediaControl_GetState(wma->pmctrl, -1, &state);
        if (state == State_Running)
            return MCIERR_UNSUPPORTED_FUNCTION;
        /* If in stopped state, nothing has been drawn to screen
         * moving to pause, which is needed for the old dib renderer, will result
         * in a single frame drawn, so hide the window here */
        IVideoWindow_get_Visible(wma->vidwin, &visible);
        if (wma->parent)
            IVideoWindow_put_Visible(wma->vidwin, OAFALSE);
        /* FIXME: Should we check the original state and restore it? */
        IMediaControl_Pause(wma->pmctrl);
        IMediaControl_GetState(wma->pmctrl, -1, &state);
        if (FAILED(hr = IBasicVideo_GetCurrentImage(wma->vidbasic, &size, NULL))) {
            WARN("Could not get image size (hr = %x)\n", hr);
            goto out;
        }
        data = HeapAlloc(GetProcessHeap(), 0, size);
        info = (BITMAPINFO*)data;
        IBasicVideo_GetCurrentImage(wma->vidbasic, &size, (LONG*)data);
        data += info->bmiHeader.biSize;

        IBasicVideo_GetSourcePosition(wma->vidbasic, &src.left, &src.top, &src.right, &src.bottom);
        IBasicVideo_GetDestinationPosition(wma->vidbasic, &dest.left, &dest.top, &dest.right, &dest.bottom);
        StretchDIBits(lpParms->hDC,
              dest.left, dest.top, dest.right + dest.left, dest.bottom + dest.top,
              src.left, src.top, src.right + src.left, src.bottom + src.top,
              data, info, DIB_RGB_COLORS, SRCCOPY);
        HeapFree(GetProcessHeap(), 0, data);
        res = 0;
out:
        if (wma->parent)
            IVideoWindow_put_Visible(wma->vidwin, visible);
    }
    else if (dwFlags)
        FIXME("Unhandled flags %x\n", dwFlags);
    return res;
}
Ejemplo n.º 2
0
static HRESULT WINAPI
IBasicVideo_fnGetCurrentImage(IBasicVideo* iface,long* plBufferSize,long* plDIBBuffer)
{
	CFilterGraph_THIS(iface,basvid);
	QUERYBASICVIDEO

	TRACE("(%p)->()\n",This);

	hr = IBasicVideo_GetCurrentImage(pVideo,plBufferSize,plDIBBuffer);
	IBasicVideo_Release(pVideo);
	return hr;
}