/*
 * Frontend Status Monitor plugin for the Video Disk Recorder
 *
 * See the README file for copyright information and how to reach the author.
 *
 */

#ifndef __FEMONTOOLS_H
#define __FEMONTOOLS_H

#include <stdint.h>
#include <vdr/channels.h>
#include <vdr/remux.h>
#include <vdr/tools.h>

#ifdef DEBUG
#define debug(x...) dsyslog("FEMON: " x);
#define error(x...) esyslog("ERROR: " x);
#else
#define debug(x...) ;
#define error(x...) esyslog("ERROR: " x);
#endif

#define ELEMENTS(x) (sizeof(x) / sizeof(x[0]))

#define FRONTEND_DEVICE "/dev/dvb/adapter%d/frontend%d"

cString getFrontendInfo(int cardIndex = 0);
cString getFrontendName(int cardIndex = 0);
cString getFrontendStatus(int cardIndex = 0);

uint16_t getSNR(int cardIndex = 0);
uint16_t getSignal(int cardIndex = 0);

uint32_t getBER(int cardIndex = 0);
uint32_t getUNC(int cardIndex = 0);

cString getApids(const cChannel *channel);
cString getDpids(const cChannel *channel);
cString getSpids(const cChannel *channel);
cString getCAids(const cChannel *channel);
cString getVideoStream(int value);
cString getVideoCodec(int value);
cString getAudioStream(int value, const cChannel *channel);
cString getAudioCodec(int value);
cString getAudioChannelMode(int value);
cString getCoderate(int value);
cString getTransmission(int value);
cString getBandwidth(int value);
cString getInversion(int value);
cString getHierarchy(int value);
cString getGuard(int value);
cString getModulation(int value);
cString getSystem(int value);
cString getRollOff(int value);
cString getResolution(int width, int height, int scan);
cString getAspectRatio(int value);
cString getVideoFormat(int value);
cString getFrameRate(double value);
cString getAC3Stream(int value, const cChannel *channel);
cString getAC3BitStreamMode(int value, int coding);
cString getAC3AudioCodingMode(int value, int stream);
cString getAC3CenterMixLevel(int value);
cString getAC3SurroundMixLevel(int value);
cString getAC3DolbySurroundMode(int value);
cString getAC3DialogLevel(int value);
cString getFrequencyMHz(int value);
cString getAudioSamplingFreq(int value);
cString getAudioBitrate(double value, double stream);
cString getVideoBitrate(double value, double stream);
cString getBitrateMbits(double value);
cString getBitrateKbits(double value);

class cFemonBitStream {
private:
  const uint8_t *data;
  int length; // in bits
  int index; // in bits
public:
  cFemonBitStream(const uint8_t *Data, int Length) : data(Data), length(Length), index(0) {}
  ~cFemonBitStream() {}
  int GetBit(void);
  uint32_t GetBits(int n);
  void ByteAlign(void);
  void WordAlign(void);
  bool SetLength(int Length);
  void SkipBits(int n) { index += n; }
  void SkipBit(void) { SkipBits(1); }
  bool IsEOF(void) const { return index >= length; }
  void Reset(void) { index = 0; }
  int Length(void) const { return length; }
  int Index(void) const { return (IsEOF() ? length : index); }
  const uint8_t *GetData(void) const { return (IsEOF() ? NULL : data + (index / 8)); }

  uint32_t       GetUeGolomb();
  int32_t        GetSeGolomb();
  void           SkipGolomb();
  void           SkipUeGolomb() { SkipGolomb(); }
  void           SkipSeGolomb() { SkipGolomb(); }
  };

#endif // __FEMONTOOLS_H