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/*
* seduthread.h: A plugin for the Video Disk Recorder
*
* See the README file for copyright information and how to reach the author.
*
* $Id: seduthread.h,v 1.64 2012/11/28 06:29:24 wendel Exp $
*/
#include <termios.h>
#include <queue>
#include <vdr/thread.h>
#include "common.h"
#include "config.h"
//***************************************************************************
// Pixel - format as provided by softhddevice
//***************************************************************************
struct Pixel
{
unsigned char b;
unsigned char g;
unsigned char r;
unsigned char a;
};
class PixQueue
{
public:
PixQueue() { clear(); }
virtual ~PixQueue() { clear(); }
void clear() { while (!pQueue.empty()) pQueue.pop(); r=g=b=0; }
int getCount() { return pQueue.size(); }
void push(Pixel* p)
{
pQueue.push(*p);
r += p->r;
g += p->g;
b += p->b;
// remove old entrys from queue and sum
while (pQueue.size() > cfg.average)
{
r -= pQueue.front().r;
g -= pQueue.front().g;
b -= pQueue.front().b;
pQueue.pop();
}
}
void getPixel(Pixel* p)
{
p->r = r / pQueue.size();
p->g = g / pQueue.size();
p->b = b / pQueue.size();
}
protected:
std::queue <Pixel> pQueue;
unsigned int r;
unsigned int g;
unsigned int b;
};
class PixSum
{
public:
PixSum() { clear(); }
void clear() { r=g=b=count=0; }
int getCount() { return count; }
void add(Pixel* p)
{
r += p->r;
g += p->g;
b += p->b;
count++;
}
void getAvg(Pixel* p)
{
p->r = r / count;
p->g = g / count;
p->b = b / count;
}
protected:
unsigned int r;
unsigned int g;
unsigned int b;
int count;
};
//***************************************************************************
// cSeduLine - Serial Communication
//***************************************************************************
class cSeduLine : public cSeduService
{
public:
cSeduLine();
~cSeduLine() { close(); }
int open();
int close();
int isOpen() { return fd != na; }
int checkLine();
int read();
int write(unsigned char b);
int writeStartSeq();
int writeEndSeq();
int writePix(Pixel* p);
int writeColor(Pixel* p, int index);
// set ..
void setMode(SeduMode aMode, int channels = 0);
private:
int detect();
// data
int dataBytesSend;
int mode;
int dataBytes;
int byteMode;
int byteStart;
int byteEnd;
char* deviceName;
int fd;
struct termios oldtio;
};
//***************************************************************************
// SEDU Thread
//***************************************************************************
class cSeduThread : public cThread, public cSeduService
{
public:
cSeduThread();
~cSeduThread();
int isRunning() { return Running(); }
// interface
void Stop();
private:
void Action(void);
int grabImage();
int detectCineBars();
int putData();
void threshold(Pixel* p);
void whiteAdj(Pixel* p);
void gammaAdj(Pixel* p);
void merge(Pixel* p1, Pixel* p2, int level = 100);
int getPixel(int ledIdx, Pixel* pixel);
int isBlack(Pixel* p) { return p->r < cfg.threshold && p->g < cfg.threshold && p->b < cfg.threshold; }
// data
cSeduLine sedu;
cMutex mutex;
cCondVar waitCondition;
int loopActive;
Pixel* image;
PixQueue* pixAverage;
int cineBarsHor;
int cineBarsVer;
int imageSize;
int imageWidth;
int imageHeight;
Pixel getRainbowColor();
Pixel hsv2Rgb(int h, double s, double v);
};
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