xbmc/SeekHandler.h

   1 /*
   2  *  Copyright (C) 2012-2018 Team Kodi
   3  *  This file is part of Kodi - https://kodi.tv
   4  *
   5  *  SPDX-License-Identifier: GPL-2.0-or-later
   6  *  See LICENSES/README.md for more information.
   7  */
   8
   9 #pragma once
  10
  11 #include "input/actions/interfaces/IActionListener.h"
  12 #include "settings/lib/ISettingCallback.h"
  13 #include "threads/CriticalSection.h"
  14 #include "utils/Stopwatch.h"
  15
  16 #include <map>
  17 #include <utility>
  18 #include <vector>
  19
  20 struct IntegerSettingOption;
  21
  22 enum SeekType
  23 {
  24   SEEK_TYPE_VIDEO = 0,
  25   SEEK_TYPE_MUSIC = 1
  26 };
  27
  28 class CSeekHandler : public ISettingCallback, public KODI::ACTION::IActionListener
  29 {
  30 public:
  31   CSeekHandler() = default;
  32   ~CSeekHandler() override;
  33
  34   static void SettingOptionsSeekStepsFiller(const std::shared_ptr<const CSetting>& setting,
  35                                             std::vector<IntegerSettingOption>& list,
  36                                             int& current,
  37                                             void* data);
  38
  39   void OnSettingChanged(const std::shared_ptr<const CSetting>& setting) override;
  40   bool OnAction(const CAction &action) override;
  41
  42   void Seek(bool forward, float amount, float duration = 0, bool analogSeek = false, SeekType type = SEEK_TYPE_VIDEO);
  43   void SeekSeconds(int seconds);
  44   void FrameMove();
  45   void Reset();
  46   void Configure();
  47
  48   int GetSeekSize() const;
  49   bool InProgress() const;
  50
  51   bool HasTimeCode() const { return m_timeCodePosition > 0; }
  52   int GetTimeCodeSeconds() const;
  53
  54 protected:
  55   CSeekHandler(const CSeekHandler&) = delete;
  56   CSeekHandler& operator=(CSeekHandler const&) = delete;
  57   bool SeekTimeCode(const CAction &action);
  58   void ChangeTimeCode(int remote);
  59
  60 private:
  61   static const int analogSeekDelay = 500;
  62
  63   void SetSeekSize(double seekSize);
  64   int GetSeekStepSize(SeekType type, int step);
  65
  66   int m_seekDelay = 500;
  67   std::map<SeekType, int > m_seekDelays;
  68   bool m_requireSeek = false;
  69   bool m_seekChanged = false;
  70   bool m_analogSeek = false;
  71   double m_seekSize = 0;
  72   int m_seekStep = 0;
  73   std::map<SeekType, std::vector<int> > m_forwardSeekSteps;
  74   std::map<SeekType, std::vector<int> > m_backwardSeekSteps;
  75   CStopWatch m_timer;
  76   CStopWatch m_timerTimeCode;
  77   int m_timeCodeStamp[6];
  78   int m_timeCodePosition;
  79
  80   CCriticalSection m_critSection;
  81 };