* OSD (On Screen Display) for rendering text and graphics into overlays

* reworked spu and overlay manager (multiple overlays supported)

CVS patchset: 1126
CVS date: 2001/11/28 22:19:10

1 files changed, 66 insertions, 0 deletions

diff --git a/src/xine-engine/video_overlay.h b/src/xine-engine/video_overlay.h
new file mode 100644
index 000000000..6cd3c4670
--- /dev/null
+++ b/src/xine-engine/video_overlay.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2000-2001 the xine project
+ *
+ * This file is part of xine, a unix video player.
+ * 
+ * xine is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * xine is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
+ *
+ * $Id: video_overlay.h,v 1.1 2001/11/28 22:19:11 miguelfreitas Exp $
+ *
+ */
+
+#include "xine_internal.h"
+#include "video_out/alphablend.h"
+#include "xine-engine/bswap.h"
+
+#ifdef	__GNUC__
+#define CLUT_Y_CR_CB_INIT(_y,_cr,_cb)	{y: (_y), cr: (_cr), cb: (_cb)}
+#else
+#define CLUT_Y_CR_CB_INIT(_y,_cr,_cb)	{ (_cb), (_cr), (_y) }
+#endif
+
+#define MAX_OBJECTS 50
+#define MAX_EVENTS 50
+#define MAX_SHOWING 5
+
+#define EVENT_NULL 0
+#define EVENT_SHOW_SPU 1
+#define EVENT_HIDE_SPU 2
+#define EVENT_HIDE_MENU 3
+#define EVENT_MENU_SPU 4
+#define EVENT_MENU_BUTTON 5
+#define EVENT_DELETE_RESOURCE 6 /* Maybe release handle will do this */
+#define EVENT_SHOW_OSD 7 /* Not yet implemented */
+
+typedef struct video_overlay_object_s {
+  int32_t	 handle; /* Used to match Show and Hide events. */
+  uint32_t	 object_type; /* 0=Subtitle, 1=Menu */
+  uint32_t       pts;         /* Needed for Menu button compares */
+  vo_overlay_t  *overlay;  /* The image data. */
+  uint32_t       palette_type; /* 1 Y'CrCB, 2 R'G'B' */
+  uint32_t	*palette; /* If NULL, no palette contained in this event. */
+} video_overlay_object_t;
+
+/* This will hold all details of an event item, needed for event queue to function */
+typedef struct video_overlay_event_s {
+  uint32_t	 event_type;  /* Show SPU, Show OSD, Hide etc. */
+  uint32_t	 vpts;  /* Time when event will action. 0 means action now */
+/* Once video_out blend_yuv etc. can take rle_elem_t with Colour, blend and length information.
+ * we can remove clut and blend from this structure.
+ * This will allow for many more colours for OSD.
+ */
+  video_overlay_object_t   object; /* The image data. */
+} video_overlay_event_t;
+