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/*
* osdworker.h: OSD worker thread
*
* See the README file for copyright information and how to reach the author.
*
*/
#ifndef _OSDWORKER__H
#define _OSDWORKER__H
#include <vdr/thread.h>
#include "tool_socket.h"
#include "tool_select.h"
#include "streamdevice.h"
#include "remote.h"
#include "netosd.h"
#include "ffnetdev.h"
#include "vncEncoder.h"
#define MAXOSDMEMORY 2048000
#define rfbEncSpecialUseAlpha 0xFFFFF000 // server shall send alpha values in addition to RGB values
/*
* Macros for endian swapping.
*/
/*
#define Swap16(s) ((((s) & 0xff) << 8) | (((s) >> 8) & 0xff))
#define Swap32(l) (((l) >> 24) | \
(((l) & 0x00ff0000) >> 8) | \
(((l) & 0x0000ff00) << 8) | \
((l) << 24))
static const int rfbEndianTest = 1; // true means swap TODO: check machine endianess - for now -> hardcoded
#define Swap16IfLE(s) (*(const char *)&rfbEndianTest ? Swap16(s) : (s))
#define Swap32IfLE(l) (*(const char *)&rfbEndianTest ? Swap32(l) : (l))
*/
// --- cOSDWorker -------------------------------------------------------------
enum states {
NO_CLIENT,
CLIENT_CONNECTED,
PROTOCOL_OK,
AUTHENTICATED,
HANDSHAKE_OK
};
class cOSDWorker : public cThread {
private:
bool m_Active;
static cOSDWorker *m_Instance;
cTBSocket *m_OSDClient;
bool close_OSDclient_request;
int OSDPort;
int state;
bool UseAlpha;
rfbPixelFormat ClientFormat;
rfbPixelFormat ServerFormat;
BYTE *m_pSendBuffer;
int m_SendBufferSize;
cBitmap *m_pOsdBitmap;
bool m_bOSDisClear;
bool m_bColorsChanged;
void HandleClientRequests(cTBSelect *select);
bool RFBRead(char *buffer, int len);
void CreateSendBuffer(int OSDBufferSize);
vncEncoder *m_pEncoder;
struct timeval m_lasttime;
struct timeval m_lastupdate;
cPluginFFNetDev *m_pPlugin;
protected:
virtual void Action(void);
void Stop(void);
public:
cOSDWorker(void);
virtual ~cOSDWorker();
static void Init(int, cPluginFFNetDev*);
static void Exit(void);
static bool Active(void);
static bool ClientIsReady(void);
static void CloseOSDClient(void);
static bool ClearScreen(void);
static bool DrawBitmap(int x1, int y1, cBitmap &pOsdBitmap);
static bool SendScreen(int x1=0, int y1=0, int x2=0, int y2=0);
static bool SendCMAP(int NumColors, const tColor *Colors);
static bool OSDWrite(unsigned char *data, unsigned int data_length);
static bool SendPlayMode(ePlayMode PlayMode);
static bool GetOSDColors(const tColor **OSDColors, int *numOSDColors);
};
inline bool cOSDWorker::Active(void) {
return m_Instance && (m_Instance->state!=NO_CLIENT);
}
inline bool cOSDWorker::ClientIsReady(void) {
return m_Instance && (m_Instance->state==HANDSHAKE_OK);
}
#endif
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