omxil: vout: Handle dynamic aspect changes.

Handle changes of aspect ratio through the Control handler.
Signed-off-by: Julian Scheel <julian@jusst.de>
Signed-off-by: Martin Storsjö <martin@martin.st>

modules/codec/omxil/vout.c

@@ -126,6 +126,22 @@ static OMX_ERRORTYPE OmxFillBufferDone(OMX_HANDLETYPE omx_handle,
     return OMX_ErrorNone;
 }
 
+static void UpdateDisplaySize(vout_display_t *vd, vout_display_cfg_t *cfg)
+{
+    OMX_CONFIG_DISPLAYREGIONTYPE config_display;
+    OMX_INIT_STRUCTURE(config_display);
+
+    /* OMX_DISPLAY_SET_PIXEL is broadcom specific */
+    if (strcmp(vd->sys->psz_component, "OMX.broadcom.video_render"))
+        return;
+
+    config_display.nPortIndex = vd->sys->port.i_port_index;
+    config_display.set = OMX_DISPLAY_SET_PIXEL;
+    config_display.pixel_x = cfg->display.width  * vd->fmt.i_height;
+    config_display.pixel_y = cfg->display.height * vd->fmt.i_width;
+    OMX_SetConfig(vd->sys->omx_handle, OMX_IndexConfigDisplayRegion, &config_display);
+}
+
 static int Open(vlc_object_t *p_this)
 {
     vout_display_t *vd = (vout_display_t *)p_this;
@@ -261,12 +277,7 @@ static int Open(vlc_object_t *p_this)
         config_display.fullscreen = OMX_TRUE;
         OMX_SetConfig(p_sys->omx_handle, OMX_IndexConfigDisplayRegion, &config_display);
 
-        if (vd->fmt.i_width != vd->cfg->display.width || vd->fmt.i_height != vd->cfg->display.height) {
-            config_display.set = OMX_DISPLAY_SET_PIXEL;
-            config_display.pixel_x = vd->cfg->display.width  * vd->fmt.i_height;
-            config_display.pixel_y = vd->cfg->display.height * vd->fmt.i_width;
-            OMX_SetConfig(p_sys->omx_handle, OMX_IndexConfigDisplayRegion, &config_display);
-        }
+        UpdateDisplaySize(vd, vd->cfg);
     }
 
 
@@ -444,12 +455,18 @@ static int Control(vout_display_t *vd, int query, va_list args)
     default:
         msg_Err(vd, "Unknown request in omxil vout display");
 
+    case VOUT_DISPLAY_CHANGE_SOURCE_ASPECT:
+        return VLC_SUCCESS;
+    case VOUT_DISPLAY_CHANGE_DISPLAY_SIZE:
+    {
+        const vout_display_cfg_t *cfg = va_arg(args, const vout_display_cfg_t *);
+        UpdateDisplaySize(vd, cfg);
+        return VLC_SUCCESS;
+    }
     case VOUT_DISPLAY_CHANGE_FULLSCREEN:
     case VOUT_DISPLAY_CHANGE_WINDOW_STATE:
-    case VOUT_DISPLAY_CHANGE_DISPLAY_SIZE:
     case VOUT_DISPLAY_CHANGE_DISPLAY_FILLED:
     case VOUT_DISPLAY_CHANGE_ZOOM:
-    case VOUT_DISPLAY_CHANGE_SOURCE_ASPECT:
     case VOUT_DISPLAY_CHANGE_SOURCE_CROP:
     case VOUT_DISPLAY_GET_OPENGL:
         return VLC_EGENERIC;