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/*
* _ _ _ _ _____
* __ ____| |_ __ _ __ | |_ _ __ _(_)_ __ __| |_ ___ _|___ /
* \ \ / / _` | '__|____| '_ \| | | | |/ _` | | '_ \ _____ / _` \ \/ / '__||_ \
* \ V / (_| | | |_____| |_) | | |_| | (_| | | | | |_____| (_| |> <| | ___) |
* \_/ \__,_|_| | .__/|_|\__,_|\__, |_|_| |_| \__,_/_/\_\_| |____/
* |_| |___/
*
* Copyright (C) 2009 Christian Gmeiner
*
* This file is part of vdr-plugin-dxr3.
*
* vdr-plugin-dxr3 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 version 2.
*
* vdr-plugin-dxr3 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 dxr3-plugin. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "spuencoder.h"
#include "dxr3interface.h"
#include "dxr3tools.h"
static const uint8_t CMD_FORCE_DISPLAYING = 0x00;
static const uint8_t CMD_STOP_DISPLAYING = 0x02;
static const uint8_t CMD_SET_COLOR = 0x03;
static const uint8_t CMD_SET_ALPHA = 0x04;
static const uint8_t CMD_SET_DISPLAYAREA = 0x05;
static const uint8_t CMD_SET_PIXEL_ADDRESES = 0x06;
static const uint8_t CMD_CHG_COLCON = 0x07;
void cSpuEncoder::clearOsd()
{
uint8_t d[10];
// packet size
d[0] = 0;
d[1] = 10;
// pointer to the SP_DCSQT
d[2] = 0;
d[3] = 4;
// display duration...
d[4] = 0x00;
d[5] = 0x00; // duration before turn on command occurs (will not be used)
// pointer to next command block
d[6] = 0; // since this is the last command block, this
d[7] = 4; // points back to itself
// stop displaying
d[8] = CMD_STOP_DISPLAYING;
// end sequence
d[9] = 0xFF;
// TODO: osd button handling
cDxr3Interface::instance()->WriteSpu((uchar *)&d, 10);
}
void cSpuEncoder::encode(cBitmap *bmap, int top, int left)
{
// store internaly
bitmap = bmap;
// prepare datastructures
memset(&spu, 0, sizeof(spu));
// generate and upload color palette
generateColorPalette();
}
void cSpuEncoder::writeNibble(uint8_t val)
{
// look if we have an overflow
if (written == MAX_SPU_DATA) {
throw "overflow";
}
if (ncnt++ & 1) {
*p++ = nholder | ((val) & 0x0f);
written++;
} else {
nholder = (val << 4);
}
}
void cSpuEncoder::generateColorPalette()
{
// we need to convert the color we get from
// vdr, because it is stored in AARRGGBB
// and we need AA and RRGGBB separated to
// be able to convert color to yuv and set
// wanted opacity vales later on.
int num;
const tColor *colors = bitmap->Colors(num);
memset(&palcolors, 0, sizeof(palcolors));
for (int i = 0; i < num; i++) {
// separate AA and RRGGBB values
opacity[i] = (colors[i] & 0xff000000) >> 24;
palcolors[i] = Tools::Rgb2YCrCb(colors[i] & 0x00ffffff);
}
// upload color palette
cDxr3Interface::instance()->SetPalette(palcolors);
}
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