include/uapi/linux/dvb/osd.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ WITH Linux-syscall-note */
   2 /*
   3  * osd.h
   4  *
   5  * Copyright (C) 2001 Ralph  Metzler <ralph@convergence.de>
   6  *                  & Marcus Metzler <marcus@convergence.de>
   7  *                    for convergence integrated media GmbH
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Lesser Public License
  11  * as published by the Free Software Foundation; either version 2.1
  12  * of the License, or (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  22  *
  23  */
  24
  25 #ifndef _DVBOSD_H_
  26 #define _DVBOSD_H_
  27
  28 #include <linux/compiler.h>
  29
  30 typedef enum {
  31   // All functions return -2 on "not open"
  32   OSD_Close=1,    // ()
  33   // Disables OSD and releases the buffers
  34   // returns 0 on success
  35   OSD_Open,       // (x0,y0,x1,y1,BitPerPixel[2/4/8](color&0x0F),mix[0..15](color&0xF0))
  36   // Opens OSD with this size and bit depth
  37   // returns 0 on success, -1 on DRAM allocation error, -2 on "already open"
  38   OSD_Show,       // ()
  39   // enables OSD mode
  40   // returns 0 on success
  41   OSD_Hide,       // ()
  42   // disables OSD mode
  43   // returns 0 on success
  44   OSD_Clear,      // ()
  45   // Sets all pixel to color 0
  46   // returns 0 on success
  47   OSD_Fill,       // (color)
  48   // Sets all pixel to color <col>
  49   // returns 0 on success
  50   OSD_SetColor,   // (color,R{x0},G{y0},B{x1},opacity{y1})
  51   // set palette entry <num> to <r,g,b>, <mix> and <trans> apply
  52   // R,G,B: 0..255
  53   // R=Red, G=Green, B=Blue
  54   // opacity=0:      pixel opacity 0% (only video pixel shows)
  55   // opacity=1..254: pixel opacity as specified in header
  56   // opacity=255:    pixel opacity 100% (only OSD pixel shows)
  57   // returns 0 on success, -1 on error
  58   OSD_SetPalette, // (firstcolor{color},lastcolor{x0},data)
  59   // Set a number of entries in the palette
  60   // sets the entries "firstcolor" through "lastcolor" from the array "data"
  61   // data has 4 byte for each color:
  62   // R,G,B, and a opacity value: 0->transparent, 1..254->mix, 255->pixel
  63   OSD_SetTrans,   // (transparency{color})
  64   // Sets transparency of mixed pixel (0..15)
  65   // returns 0 on success
  66   OSD_SetPixel,   // (x0,y0,color)
  67   // sets pixel <x>,<y> to color number <col>
  68   // returns 0 on success, -1 on error
  69   OSD_GetPixel,   // (x0,y0)
  70   // returns color number of pixel <x>,<y>,  or -1
  71   OSD_SetRow,     // (x0,y0,x1,data)
  72   // fills pixels x0,y through  x1,y with the content of data[]
  73   // returns 0 on success, -1 on clipping all pixel (no pixel drawn)
  74   OSD_SetBlock,   // (x0,y0,x1,y1,increment{color},data)
  75   // fills pixels x0,y0 through  x1,y1 with the content of data[]
  76   // inc contains the width of one line in the data block,
  77   // inc<=0 uses blockwidth as linewidth
  78   // returns 0 on success, -1 on clipping all pixel
  79   OSD_FillRow,    // (x0,y0,x1,color)
  80   // fills pixels x0,y through  x1,y with the color <col>
  81   // returns 0 on success, -1 on clipping all pixel
  82   OSD_FillBlock,  // (x0,y0,x1,y1,color)
  83   // fills pixels x0,y0 through  x1,y1 with the color <col>
  84   // returns 0 on success, -1 on clipping all pixel
  85   OSD_Line,       // (x0,y0,x1,y1,color)
  86   // draw a line from x0,y0 to x1,y1 with the color <col>
  87   // returns 0 on success
  88   OSD_Query,      // (x0,y0,x1,y1,xasp{color}}), yasp=11
  89   // fills parameters with the picture dimensions and the pixel aspect ratio
  90   // returns 0 on success
  91   OSD_Test,       // ()
  92   // draws a test picture. for debugging purposes only
  93   // returns 0 on success
  94 // TODO: remove "test" in final version
  95   OSD_Text,       // (x0,y0,size,color,text)
  96   OSD_SetWindow, //  (x0) set window with number 0<x0<8 as current
  97   OSD_MoveWindow, //  move current window to (x0, y0)
  98   OSD_OpenRaw,  // Open other types of OSD windows
  99 } OSD_Command;
 100
 101 typedef struct osd_cmd_s {
 102         OSD_Command cmd;
 103         int x0;
 104         int y0;
 105         int x1;
 106         int y1;
 107         int color;
 108         void __user *data;
 109 } osd_cmd_t;
 110
 111 /* OSD_OpenRaw: set 'color' to desired window type */
 112 typedef enum {
 113         OSD_BITMAP1,           /* 1 bit bitmap */
 114         OSD_BITMAP2,           /* 2 bit bitmap */
 115         OSD_BITMAP4,           /* 4 bit bitmap */
 116         OSD_BITMAP8,           /* 8 bit bitmap */
 117         OSD_BITMAP1HR,         /* 1 Bit bitmap half resolution */
 118         OSD_BITMAP2HR,         /* 2 bit bitmap half resolution */
 119         OSD_BITMAP4HR,         /* 4 bit bitmap half resolution */
 120         OSD_BITMAP8HR,         /* 8 bit bitmap half resolution */
 121         OSD_YCRCB422,          /* 4:2:2 YCRCB Graphic Display */
 122         OSD_YCRCB444,          /* 4:4:4 YCRCB Graphic Display */
 123         OSD_YCRCB444HR,        /* 4:4:4 YCRCB graphic half resolution */
 124         OSD_VIDEOTSIZE,        /* True Size Normal MPEG Video Display */
 125         OSD_VIDEOHSIZE,        /* MPEG Video Display Half Resolution */
 126         OSD_VIDEOQSIZE,        /* MPEG Video Display Quarter Resolution */
 127         OSD_VIDEODSIZE,        /* MPEG Video Display Double Resolution */
 128         OSD_VIDEOTHSIZE,       /* True Size MPEG Video Display Half Resolution */
 129         OSD_VIDEOTQSIZE,       /* True Size MPEG Video Display Quarter Resolution*/
 130         OSD_VIDEOTDSIZE,       /* True Size MPEG Video Display Double Resolution */
 131         OSD_VIDEONSIZE,        /* Full Size MPEG Video Display */
 132         OSD_CURSOR             /* Cursor */
 133 } osd_raw_window_t;
 134
 135 typedef struct osd_cap_s {
 136         int  cmd;
 137 #define OSD_CAP_MEMSIZE         1  /* memory size */
 138         long val;
 139 } osd_cap_t;
 140
 141
 142 #define OSD_SEND_CMD            _IOW('o', 160, osd_cmd_t)
 143 #define OSD_GET_CAPABILITY      _IOR('o', 161, osd_cap_t)
 144
 145 #endif