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001: /*
002:  * osd.h
003:  *
004:  * Copyright (C) 2001 Ralph  Metzler <ralph@convergence.de>
005:  *                  & Marcus Metzler <marcus@convergence.de>
006:  *                    for convergence integrated media GmbH
007:  *
008:  * This program is free software; you can redistribute it and/or
009:  * modify it under the terms of the GNU General Lesser Public License
010:  * as published by the Free Software Foundation; either version 2.1
011:  * of the License, or (at your option) any later version.
012:  *
013:  * This program is distributed in the hope that it will be useful,
014:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
015:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
016:  * GNU General Public License for more details.
017:  *
018:  * You should have received a copy of the GNU Lesser General Public License
019:  * along with this program; if not, write to the Free Software
020:  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
021:  *
022:  */
023: 
024: #ifndef _DVBOSD_H_
025: #define _DVBOSD_H_
026: 
027: 
028: 
029: typedef enum {
030:   // All functions return -2 on "not open"
031:   OSD_Close=1,    // ()
032:   // Disables OSD and releases the buffers
033:   // returns 0 on success
034:   OSD_Open,       // (x0,y0,x1,y1,BitPerPixel[2/4/8](color&0x0F),mix[0..15](color&0xF0))
035:   // Opens OSD with this size and bit depth
036:   // returns 0 on success, -1 on DRAM allocation error, -2 on "already open"
037:   OSD_Show,       // ()
038:   // enables OSD mode
039:   // returns 0 on success
040:   OSD_Hide,       // ()
041:   // disables OSD mode
042:   // returns 0 on success
043:   OSD_Clear,      // ()
044:   // Sets all pixel to color 0
045:   // returns 0 on success
046:   OSD_Fill,       // (color)
047:   // Sets all pixel to color <col>
048:   // returns 0 on success
049:   OSD_SetColor,   // (color,R{x0},G{y0},B{x1},opacity{y1})
050:   // set palette entry <num> to <r,g,b>, <mix> and <trans> apply
051:   // R,G,B: 0..255
052:   // R=Red, G=Green, B=Blue
053:   // opacity=0:      pixel opacity 0% (only video pixel shows)
054:   // opacity=1..254: pixel opacity as specified in header
055:   // opacity=255:    pixel opacity 100% (only OSD pixel shows)
056:   // returns 0 on success, -1 on error
057:   OSD_SetPalette, // (firstcolor{color},lastcolor{x0},data)
058:   // Set a number of entries in the palette
059:   // sets the entries "firstcolor" through "lastcolor" from the array "data"
060:   // data has 4 byte for each color:
061:   // R,G,B, and a opacity value: 0->transparent, 1..254->mix, 255->pixel
062:   OSD_SetTrans,   // (transparency{color})
063:   // Sets transparency of mixed pixel (0..15)
064:   // returns 0 on success
065:   OSD_SetPixel,   // (x0,y0,color)
066:   // sets pixel <x>,<y> to color number <col>
067:   // returns 0 on success, -1 on error
068:   OSD_GetPixel,   // (x0,y0)
069:   // returns color number of pixel <x>,<y>,  or -1
070:   OSD_SetRow,     // (x0,y0,x1,data)
071:   // fills pixels x0,y through  x1,y with the content of data[]
072:   // returns 0 on success, -1 on clipping all pixel (no pixel drawn)
073:   OSD_SetBlock,   // (x0,y0,x1,y1,increment{color},data)
074:   // fills pixels x0,y0 through  x1,y1 with the content of data[]
075:   // inc contains the width of one line in the data block,
076:   // inc<=0 uses blockwidth as linewidth
077:   // returns 0 on success, -1 on clipping all pixel
078:   OSD_FillRow,    // (x0,y0,x1,color)
079:   // fills pixels x0,y through  x1,y with the color <col>
080:   // returns 0 on success, -1 on clipping all pixel
081:   OSD_FillBlock,  // (x0,y0,x1,y1,color)
082:   // fills pixels x0,y0 through  x1,y1 with the color <col>
083:   // returns 0 on success, -1 on clipping all pixel
084:   OSD_Line,       // (x0,y0,x1,y1,color)
085:   // draw a line from x0,y0 to x1,y1 with the color <col>
086:   // returns 0 on success
087:   OSD_Query,      // (x0,y0,x1,y1,xasp{color}}), yasp=11
088:   // fills parameters with the picture dimensions and the pixel aspect ratio
089:   // returns 0 on success
090:   OSD_Test,       // ()
091:   // draws a test picture. for debugging purposes only
092:   // returns 0 on success
093: // TODO: remove "test" in final version
094:   OSD_Text,       // (x0,y0,size,color,text)
095:   OSD_SetWindow, //  (x0) set window with number 0<x0<8 as current
096:   OSD_MoveWindow, //  move current window to (x0, y0)
097:   OSD_OpenRaw,  // Open other types of OSD windows
098: } OSD_Command;
099: 
100: typedef struct osd_cmd_s {
101:         OSD_Command cmd;
102:         int x0;
103:         int y0;
104:         int x1;
105:         int y1;
106:         int color;
107:         void *data;
108: } osd_cmd_t;
109: 
110: /* OSD_OpenRaw: set 'color' to desired window type */
111: typedef enum {
112:         OSD_BITMAP1,           /* 1 bit bitmap */
113:         OSD_BITMAP2,           /* 2 bit bitmap */
114:         OSD_BITMAP4,           /* 4 bit bitmap */
115:         OSD_BITMAP8,           /* 8 bit bitmap */
116:         OSD_BITMAP1HR,         /* 1 Bit bitmap half resolution */
117:         OSD_BITMAP2HR,         /* 2 bit bitmap half resolution */
118:         OSD_BITMAP4HR,         /* 4 bit bitmap half resolution */
119:         OSD_BITMAP8HR,         /* 8 bit bitmap half resolution */
120:         OSD_YCRCB422,          /* 4:2:2 YCRCB Graphic Display */
121:         OSD_YCRCB444,          /* 4:4:4 YCRCB Graphic Display */
122:         OSD_YCRCB444HR,        /* 4:4:4 YCRCB graphic half resolution */
123:         OSD_VIDEOTSIZE,        /* True Size Normal MPEG Video Display */
124:         OSD_VIDEOHSIZE,        /* MPEG Video Display Half Resolution */
125:         OSD_VIDEOQSIZE,        /* MPEG Video Display Quarter Resolution */
126:         OSD_VIDEODSIZE,        /* MPEG Video Display Double Resolution */
127:         OSD_VIDEOTHSIZE,       /* True Size MPEG Video Display Half Resolution */
128:         OSD_VIDEOTQSIZE,       /* True Size MPEG Video Display Quarter Resolution*/
129:         OSD_VIDEOTDSIZE,       /* True Size MPEG Video Display Double Resolution */
130:         OSD_VIDEONSIZE,        /* Full Size MPEG Video Display */
131:         OSD_CURSOR             /* Cursor */
132: } osd_raw_window_t;
133: 
134: typedef struct osd_cap_s {
135:         int  cmd;
136: #define OSD_CAP_MEMSIZE         1  /* memory size */
137:         long val;
138: } osd_cap_t;
139: 
140: 
141: #define OSD_SEND_CMD            _IOW('o', 160, osd_cmd_t)
142: #define OSD_GET_CAPABILITY      _IOR('o', 161, osd_cap_t)
143: 
144: #endif
145: 

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