145 lines
5.6 KiB
C
145 lines
5.6 KiB
C
/*
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* osd.h
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*
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* Copyright (C) 2001 Ralph Metzler <ralph@convergence.de>
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* & Marcus Metzler <marcus@convergence.de>
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* for convergence integrated media GmbH
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Lesser Public License
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* as published by the Free Software Foundation; either version 2.1
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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#ifndef _DVBOSD_H_
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#define _DVBOSD_H_
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#include <linux/compiler.h>
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typedef enum {
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// All functions return -2 on "not open"
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OSD_Close=1, // ()
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// Disables OSD and releases the buffers
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// returns 0 on success
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OSD_Open, // (x0,y0,x1,y1,BitPerPixel[2/4/8](color&0x0F),mix[0..15](color&0xF0))
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// Opens OSD with this size and bit depth
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// returns 0 on success, -1 on DRAM allocation error, -2 on "already open"
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OSD_Show, // ()
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// enables OSD mode
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// returns 0 on success
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OSD_Hide, // ()
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// disables OSD mode
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// returns 0 on success
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OSD_Clear, // ()
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// Sets all pixel to color 0
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// returns 0 on success
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OSD_Fill, // (color)
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// Sets all pixel to color <col>
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// returns 0 on success
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OSD_SetColor, // (color,R{x0},G{y0},B{x1},opacity{y1})
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// set palette entry <num> to <r,g,b>, <mix> and <trans> apply
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// R,G,B: 0..255
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// R=Red, G=Green, B=Blue
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// opacity=0: pixel opacity 0% (only video pixel shows)
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// opacity=1..254: pixel opacity as specified in header
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// opacity=255: pixel opacity 100% (only OSD pixel shows)
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// returns 0 on success, -1 on error
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OSD_SetPalette, // (firstcolor{color},lastcolor{x0},data)
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// Set a number of entries in the palette
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// sets the entries "firstcolor" through "lastcolor" from the array "data"
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// data has 4 byte for each color:
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// R,G,B, and a opacity value: 0->transparent, 1..254->mix, 255->pixel
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OSD_SetTrans, // (transparency{color})
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// Sets transparency of mixed pixel (0..15)
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// returns 0 on success
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OSD_SetPixel, // (x0,y0,color)
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// sets pixel <x>,<y> to color number <col>
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// returns 0 on success, -1 on error
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OSD_GetPixel, // (x0,y0)
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// returns color number of pixel <x>,<y>, or -1
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OSD_SetRow, // (x0,y0,x1,data)
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// fills pixels x0,y through x1,y with the content of data[]
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// returns 0 on success, -1 on clipping all pixel (no pixel drawn)
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OSD_SetBlock, // (x0,y0,x1,y1,increment{color},data)
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// fills pixels x0,y0 through x1,y1 with the content of data[]
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// inc contains the width of one line in the data block,
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// inc<=0 uses blockwidth as linewidth
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// returns 0 on success, -1 on clipping all pixel
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OSD_FillRow, // (x0,y0,x1,color)
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// fills pixels x0,y through x1,y with the color <col>
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// returns 0 on success, -1 on clipping all pixel
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OSD_FillBlock, // (x0,y0,x1,y1,color)
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// fills pixels x0,y0 through x1,y1 with the color <col>
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// returns 0 on success, -1 on clipping all pixel
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OSD_Line, // (x0,y0,x1,y1,color)
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// draw a line from x0,y0 to x1,y1 with the color <col>
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// returns 0 on success
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OSD_Query, // (x0,y0,x1,y1,xasp{color}}), yasp=11
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// fills parameters with the picture dimensions and the pixel aspect ratio
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// returns 0 on success
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OSD_Test, // ()
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// draws a test picture. for debugging purposes only
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// returns 0 on success
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// TODO: remove "test" in final version
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OSD_Text, // (x0,y0,size,color,text)
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OSD_SetWindow, // (x0) set window with number 0<x0<8 as current
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OSD_MoveWindow, // move current window to (x0, y0)
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OSD_OpenRaw, // Open other types of OSD windows
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} OSD_Command;
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typedef struct osd_cmd_s {
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OSD_Command cmd;
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int x0;
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int y0;
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int x1;
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int y1;
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int color;
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void __user *data;
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} osd_cmd_t;
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/* OSD_OpenRaw: set 'color' to desired window type */
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typedef enum {
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OSD_BITMAP1, /* 1 bit bitmap */
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OSD_BITMAP2, /* 2 bit bitmap */
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OSD_BITMAP4, /* 4 bit bitmap */
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OSD_BITMAP8, /* 8 bit bitmap */
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OSD_BITMAP1HR, /* 1 Bit bitmap half resolution */
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OSD_BITMAP2HR, /* 2 bit bitmap half resolution */
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OSD_BITMAP4HR, /* 4 bit bitmap half resolution */
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OSD_BITMAP8HR, /* 8 bit bitmap half resolution */
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OSD_YCRCB422, /* 4:2:2 YCRCB Graphic Display */
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OSD_YCRCB444, /* 4:4:4 YCRCB Graphic Display */
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OSD_YCRCB444HR, /* 4:4:4 YCRCB graphic half resolution */
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OSD_VIDEOTSIZE, /* True Size Normal MPEG Video Display */
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OSD_VIDEOHSIZE, /* MPEG Video Display Half Resolution */
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OSD_VIDEOQSIZE, /* MPEG Video Display Quarter Resolution */
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OSD_VIDEODSIZE, /* MPEG Video Display Double Resolution */
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OSD_VIDEOTHSIZE, /* True Size MPEG Video Display Half Resolution */
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OSD_VIDEOTQSIZE, /* True Size MPEG Video Display Quarter Resolution*/
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OSD_VIDEOTDSIZE, /* True Size MPEG Video Display Double Resolution */
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OSD_VIDEONSIZE, /* Full Size MPEG Video Display */
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OSD_CURSOR /* Cursor */
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} osd_raw_window_t;
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typedef struct osd_cap_s {
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int cmd;
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#define OSD_CAP_MEMSIZE 1 /* memory size */
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long val;
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} osd_cap_t;
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#define OSD_SEND_CMD _IOW('o', 160, osd_cmd_t)
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#define OSD_GET_CAPABILITY _IOR('o', 161, osd_cap_t)
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#endif
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