initial Release of vdr-plugin-seduatmo

1 files changed, 194 insertions, 0 deletions

diff --git a/seduthread.h b/seduthread.h
new file mode 100644
index 0000000..038a2ec
--- /dev/null
+++ b/seduthread.h
@@ -0,0 +1,194 @@
+
+#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;
+};