xbmc/utils/StreamDetails.h

   1 #pragma once
   2 /*
   3  *      Copyright (C) 2005-2008 Team XBMC
   4  *      http://www.xbmc.org
   5  *
   6  *  This Program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2, or (at your option)
   9  *  any later version.
  10  *
  11  *  This Program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with XBMC; see the file COPYING.  If not, write to
  18  *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  19  *  http://www.gnu.org/copyleft/gpl.html
  20  *
  21  */
  22
  23 #include "Archive.h"
  24 #include <vector>
  25
  26 class CStreamDetails;
  27
  28 class CStreamDetail : public ISerializable
  29 {
  30 public:
  31   enum StreamType {
  32     VIDEO,
  33     AUDIO,
  34     SUBTITLE
  35   };
  36
  37   CStreamDetail(StreamType type) : m_eType(type) {};
  38   virtual void Serialize(CArchive& ar);
  39   virtual bool IsWorseThan(CStreamDetail *that) { return true; };
  40
  41   const StreamType m_eType;
  42
  43 protected:
  44   CStreamDetails *m_pParent;
  45   friend class CStreamDetails;
  46 };
  47
  48 class CStreamDetailVideo : public CStreamDetail
  49 {
  50 public:
  51   CStreamDetailVideo();
  52   virtual void Serialize(CArchive& ar);
  53   virtual bool IsWorseThan(CStreamDetail *that);
  54
  55   int m_iWidth;
  56   int m_iHeight;
  57   float m_fAspect;
  58   int m_iDuration;
  59   CStdString m_strCodec;
  60 };
  61
  62 class CStreamDetailAudio : public CStreamDetail
  63 {
  64 public:
  65   CStreamDetailAudio();
  66   virtual void Serialize(CArchive& ar);
  67   virtual bool IsWorseThan(CStreamDetail *that);
  68
  69   int m_iChannels;
  70   CStdString m_strCodec;
  71   CStdString m_strLanguage;
  72 private:
  73   int GetCodecPriority() const;
  74 };
  75
  76 class CStreamDetailSubtitle : public CStreamDetail
  77 {
  78 public:
  79   CStreamDetailSubtitle();
  80   virtual void Serialize(CArchive& ar);
  81   virtual bool IsWorseThan(CStreamDetail *that);
  82
  83   CStdString m_strLanguage;
  84 };
  85
  86 class CStreamDetails : public ISerializable
  87 {
  88 public:
  89   CStreamDetails() { Reset(); };
  90   CStreamDetails(const CStreamDetails &that);
  91   ~CStreamDetails() { Reset(); };
  92   CStreamDetails& operator=(const CStreamDetails &that);
  93
  94   static CStdString VideoDimsToResolutionDescription(int iWidth, int iHeight);
  95   static CStdString VideoAspectToAspectDescription(float fAspect);
  96
  97   bool HasItems(void) const { return m_vecItems.size() > 0; };
  98   int GetStreamCount(CStreamDetail::StreamType type) const;
  99   int GetVideoStreamCount(void) const;
 100   int GetAudioStreamCount(void) const;
 101   int GetSubtitleStreamCount(void) const;
 102   const CStreamDetail* GetNthStream(CStreamDetail::StreamType type, int idx) const;
 103
 104   CStdString GetVideoCodec(int idx = 0) const;
 105   float GetVideoAspect(int idx = 0) const;
 106   int GetVideoWidth(int idx = 0) const;
 107   int GetVideoHeight(int idx = 0) const;
 108   int GetVideoDuration(int idx = 0) const;
 109
 110   CStdString GetAudioCodec(int idx = 0) const;
 111   CStdString GetAudioLanguage(int idx = 0) const;
 112   int GetAudioChannels(int idx = 0) const;
 113
 114   CStdString GetSubtitleLanguage(int idx = 0) const;
 115
 116   void AddStream(CStreamDetail *item);
 117   void Reset(void);
 118   void DetermineBestStreams(void);
 119
 120   virtual void Serialize(CArchive& ar);
 121
 122   // Language to use for "best" subtitle stream
 123   CStdString m_strLanguage;
 124
 125 private:
 126   CStreamDetail *NewStream(CStreamDetail::StreamType type);
 127   std::vector<CStreamDetail *> m_vecItems;
 128   CStreamDetailVideo *m_pBestVideo;
 129   CStreamDetailAudio *m_pBestAudio;
 130   CStreamDetailSubtitle *m_pBestSubtitle;
 131 };
 132
 133 class IStreamDetailsObserver
 134 {
 135 public:
 136   virtual ~IStreamDetailsObserver() {}
 137   virtual void OnStreamDetails(const CStreamDetails &details, const CStdString &strFileName, long lFileId) = 0;
 138 };