-/*****************************************************************************
- * InitWindowSize: find the initial dimensions the video window should have.
- *****************************************************************************
- * This function will check the "width", "height" and "zoom" config options and
- * will calculate the size that the video window should have.
- *****************************************************************************/
-static void InitWindowSize( vout_thread_t *p_vout, unsigned *pi_width,
- unsigned *pi_height )
-{
-#define FP_FACTOR 1000 /* our fixed point factor */
-
- int i_width = var_GetInteger( p_vout, "width" );
- int i_height = var_GetInteger( p_vout, "height" );
- float f_zoom = var_GetFloat( p_vout, "zoom" );
- uint64_t ll_zoom = (uint64_t)( FP_FACTOR * f_zoom );
-
- if( i_width > 0 && i_height > 0)
- {
- *pi_width = (int)( i_width * ll_zoom / FP_FACTOR );
- *pi_height = (int)( i_height * ll_zoom / FP_FACTOR );
- }
- else if( i_width > 0 )
- {
- *pi_width = (int)( i_width * ll_zoom / FP_FACTOR );
- *pi_height = (int)( p_vout->fmt_in.i_visible_height * ll_zoom *
- p_vout->fmt_in.i_sar_den * i_width / p_vout->fmt_in.i_sar_num /
- FP_FACTOR / p_vout->fmt_in.i_visible_width );
- }
- else if( i_height > 0 )
- {
- *pi_height = (int)( i_height * ll_zoom / FP_FACTOR );
- *pi_width = (int)( p_vout->fmt_in.i_visible_width * ll_zoom *
- p_vout->fmt_in.i_sar_num * i_height / p_vout->fmt_in.i_sar_den /
- FP_FACTOR / p_vout->fmt_in.i_visible_height );
- }
- else if( p_vout->fmt_in.i_sar_num == 0 || p_vout->fmt_in.i_sar_den == 0 )
- {
- msg_Warn( p_vout, "aspect ratio screwed up" );
- *pi_width = (int)( p_vout->fmt_in.i_visible_width * ll_zoom / FP_FACTOR );
- *pi_height = (int)( p_vout->fmt_in.i_visible_height * ll_zoom /FP_FACTOR);
- }
- else if( p_vout->fmt_in.i_sar_num >= p_vout->fmt_in.i_sar_den )
- {
- *pi_width = (int)( p_vout->fmt_in.i_visible_width * ll_zoom *
- p_vout->fmt_in.i_sar_num / p_vout->fmt_in.i_sar_den / FP_FACTOR );
- *pi_height = (int)( p_vout->fmt_in.i_visible_height * ll_zoom
- / FP_FACTOR );
- }
- else
- {
- *pi_width = (int)( p_vout->fmt_in.i_visible_width * ll_zoom
- / FP_FACTOR );
- *pi_height = (int)( p_vout->fmt_in.i_visible_height * ll_zoom *
- p_vout->fmt_in.i_sar_den / p_vout->fmt_in.i_sar_num / FP_FACTOR );
- }
-
- msg_Dbg( p_vout, "window size: %ux%u", *pi_width, *pi_height );
-
-#undef FP_FACTOR
-}
-