xbmc/filesystem/ShoutcastFile.h

   1 /*
   2  *  Copyright (C) 2005-2018 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 // FileShoutcast.h: interface for the CShoutcastFile class.
  12 //
  13 //////////////////////////////////////////////////////////////////////
  14
  15 #include "CurlFile.h"
  16 #include "IFile.h"
  17 #include "threads/Thread.h"
  18
  19 #include <memory>
  20 #include <queue>
  21 #include <utility>
  22
  23 namespace MUSIC_INFO
  24 {
  25 class CMusicInfoTag;
  26 }
  27
  28 namespace XFILE
  29 {
  30
  31 class CFileCache;
  32
  33 class CShoutcastFile : public IFile, public CThread
  34 {
  35 public:
  36   CShoutcastFile();
  37   ~CShoutcastFile() override;
  38   int64_t GetPosition() override;
  39   int64_t GetLength() override;
  40   bool Open(const CURL& url) override;
  41   bool Exists(const CURL& url) override { return true; }
  42   int Stat(const CURL& url, struct __stat64* buffer) override
  43   {
  44     errno = ENOENT;
  45     return -1;
  46   }
  47   ssize_t Read(void* lpBuf, size_t uiBufSize) override;
  48   int64_t Seek(int64_t iFilePosition, int iWhence = SEEK_SET) override;
  49   void Close() override;
  50   int IoControl(EIoControl request, void* param) override;
  51
  52   void Process() override;
  53 protected:
  54   bool ExtractTagInfo(const char* buf);
  55   void ReadTruncated(char* buf2, int size);
  56
  57 private:
  58   std::string DecodeToUTF8(const std::string& str);
  59
  60   CCurlFile m_file;
  61   std::string m_fileCharset;
  62   int m_metaint;
  63   int m_discarded; // data used for tags
  64   int m_currint;
  65   char* m_buffer; // buffer used for tags
  66   std::string m_title;
  67
  68   CFileCache* m_cacheReader;
  69   CEvent m_tagChange;
  70   CCriticalSection m_tagSection;
  71   using TagInfo = std::pair<int64_t, std::shared_ptr<MUSIC_INFO::CMusicInfoTag>>;
  72   std::queue<TagInfo> m_tags; // tagpos, tag
  73   std::shared_ptr<MUSIC_INFO::CMusicInfoTag> m_masterTag;
  74 };
  75 }
  76