1 files changed, 278 insertions, 0 deletions
diff --git a/xbmc/playlists/PlayListM3U.cpp b/xbmc/playlists/PlayListM3U.cpp
new file mode 100644
index 0000000..d39cdce
--- /dev/null
+++ b/xbmc/playlists/PlayListM3U.cpp
@@ -0,0 +1,278 @@
+/*
+ *  Copyright (C) 2005-2018 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#include "PlayListM3U.h"
+
+#include "FileItem.h"
+#include "URL.h"
+#include "Util.h"
+#include "filesystem/File.h"
+#include "music/tags/MusicInfoTag.h"
+#include "utils/CharsetConverter.h"
+#include "utils/URIUtils.h"
+#include "utils/log.h"
+#include "video/VideoInfoTag.h"
+
+#include <inttypes.h>
+
+using namespace PLAYLIST;
+using namespace XFILE;
+
+const char* CPlayListM3U::StartMarker = "#EXTCPlayListM3U::M3U";
+const char* CPlayListM3U::InfoMarker = "#EXTINF";
+const char* CPlayListM3U::ArtistMarker = "#EXTART";
+const char* CPlayListM3U::AlbumMarker = "#EXTALB";
+const char* CPlayListM3U::PropertyMarker = "#KODIPROP";
+const char* CPlayListM3U::VLCOptMarker = "#EXTVLCOPT";
+const char* CPlayListM3U::StreamMarker = "#EXT-X-STREAM-INF";
+const char* CPlayListM3U::BandwidthMarker = "BANDWIDTH";
+const char* CPlayListM3U::OffsetMarker = "#EXT-KX-OFFSET";
+
+// example m3u file:
+//   #EXTM3U
+//   #EXTART:Demo Artist
+//   #EXTALB:Demo Album
+//   #KODIPROP:name=value
+//   #EXTINF:5,demo
+//   E:\Program Files\Winamp3\demo.mp3
+
+
+
+// example m3u8 containing streams of different bitrates
+//   #EXTM3U
+//   #EXT-X-STREAM-INF:PROGRAM-ID=1, BANDWIDTH=1600000
+//   playlist_1600.m3u8
+//   #EXT-X-STREAM-INF:PROGRAM-ID=1, BANDWIDTH=3000000
+//   playlist_3000.m3u8
+//   #EXT-X-STREAM-INF:PROGRAM-ID=1, BANDWIDTH=800000
+//   playlist_800.m3u8
+
+
+CPlayListM3U::CPlayListM3U(void) = default;
+
+CPlayListM3U::~CPlayListM3U(void) = default;
+
+
+bool CPlayListM3U::Load(const std::string& strFileName)
+{
+  char szLine[4096];
+  std::string strLine;
+  std::string strInfo;
+  std::vector<std::pair<std::string, std::string> > properties;
+
+  int lDuration = 0;
+  int iStartOffset = 0;
+  int iEndOffset = 0;
+
+  Clear();
+
+  m_strPlayListName = URIUtils::GetFileName(strFileName);
+  URIUtils::GetParentPath(strFileName, m_strBasePath);
+
+  CFile file;
+  if (!file.Open(strFileName) )
+  {
+    file.Close();
+    return false;
+  }
+
+  while (file.ReadString(szLine, 4095))
+  {
+    strLine = szLine;
+    StringUtils::Trim(strLine);
+
+    if (StringUtils::StartsWith(strLine, InfoMarker))
+    {
+      // start of info
+      size_t iColon = strLine.find(':');
+      size_t iComma = strLine.find(',');
+      if (iColon != std::string::npos &&
+          iComma != std::string::npos &&
+          iComma > iColon)
+      {
+        // Read the info and duration
+        iColon++;
+        std::string strLength = strLine.substr(iColon, iComma - iColon);
+        lDuration = atoi(strLength.c_str());
+        iComma++;
+        strInfo = strLine.substr(iComma);
+        g_charsetConverter.unknownToUTF8(strInfo);
+      }
+    }
+    else if (StringUtils::StartsWith(strLine, OffsetMarker))
+    {
+      size_t iColon = strLine.find(':');
+      size_t iComma = strLine.find(',');
+      if (iColon != std::string::npos &&
+        iComma != std::string::npos &&
+        iComma > iColon)
+      {
+        // Read the start and end offset
+        iColon++;
+        iStartOffset = atoi(strLine.substr(iColon, iComma - iColon).c_str());
+        iComma++;
+        iEndOffset = atoi(strLine.substr(iComma).c_str());
+      }
+    }
+    else if (StringUtils::StartsWith(strLine, PropertyMarker)
+    || StringUtils::StartsWith(strLine, VLCOptMarker))
+    {
+      size_t iColon = strLine.find(':');
+      size_t iEqualSign = strLine.find('=');
+      if (iColon != std::string::npos &&
+        iEqualSign != std::string::npos &&
+        iEqualSign > iColon)
+      {
+        std::string strFirst, strSecond;
+        properties.emplace_back(
+          StringUtils::Trim((strFirst = strLine.substr(iColon + 1, iEqualSign - iColon - 1))),
+          StringUtils::Trim((strSecond = strLine.substr(iEqualSign + 1))));
+      }
+    }
+    else if (strLine != StartMarker &&
+             !StringUtils::StartsWith(strLine, ArtistMarker) &&
+             !StringUtils::StartsWith(strLine, AlbumMarker))
+    {
+      std::string strFileName = strLine;
+
+      if (!strFileName.empty() && strFileName[0] == '#')
+        continue; // assume a comment or something else we don't support
+
+      // Skip self - do not load playlist recursively
+      // We compare case-less in case user has input incorrect case of the current playlist
+      if (StringUtils::EqualsNoCase(URIUtils::GetFileName(strFileName), m_strPlayListName))
+        continue;
+
+      if (strFileName.length() > 0)
+      {
+        g_charsetConverter.unknownToUTF8(strFileName);
+
+        // If no info was read from from the extended tag information, use the file name
+        if (strInfo.length() == 0)
+        {
+          strInfo = URIUtils::GetFileName(strFileName);
+        }
+
+        // should substitution occur before or after charset conversion??
+        strFileName = URIUtils::SubstitutePath(strFileName);
+
+        // Get the full path file name and add it to the the play list
+        CUtil::GetQualifiedFilename(m_strBasePath, strFileName);
+        CFileItemPtr newItem(new CFileItem(strInfo));
+        newItem->SetPath(strFileName);
+        if (iStartOffset != 0 || iEndOffset != 0)
+        {
+          newItem->SetStartOffset(iStartOffset);
+          newItem->m_lStartPartNumber = 1;
+          newItem->SetProperty("item_start", iStartOffset);
+          newItem->SetEndOffset(iEndOffset);
+          // Prevent load message from file and override offset set here
+          newItem->GetMusicInfoTag()->SetLoaded();
+          newItem->GetMusicInfoTag()->SetTitle(strInfo);
+          if (iEndOffset)
+            lDuration = static_cast<int>(CUtil::ConvertMilliSecsToSecsIntRounded(iEndOffset - iStartOffset));
+        }
+        if (newItem->IsVideo() && !newItem->HasVideoInfoTag()) // File is a video and needs a VideoInfoTag
+          newItem->GetVideoInfoTag()->Reset(); // Force VideoInfoTag creation
+        if (lDuration && newItem->IsAudio())
+          newItem->GetMusicInfoTag()->SetDuration(lDuration);
+        for (auto &prop : properties)
+        {
+          newItem->SetProperty(prop.first, prop.second);
+        }
+
+        newItem->SetMimeType(newItem->GetProperty("mimetype").asString());
+        if (!newItem->GetMimeType().empty())
+          newItem->SetContentLookup(false);
+
+        Add(newItem);
+
+        // Reset the values just in case there part of the file have the extended marker
+        // and part don't
+        strInfo = "";
+        lDuration = 0;
+        iStartOffset = 0;
+        iEndOffset = 0;
+        properties.clear();
+      }
+    }
+  }
+
+  file.Close();
+  return true;
+}
+
+void CPlayListM3U::Save(const std::string& strFileName) const
+{
+  if (!m_vecItems.size())
+    return;
+  std::string strPlaylist = CUtil::MakeLegalPath(strFileName);
+  CFile file;
+  if (!file.OpenForWrite(strPlaylist,true))
+  {
+    CLog::Log(LOGERROR, "Could not save M3U playlist: [{}]", strPlaylist);
+    return;
+  }
+  std::string strLine = StringUtils::Format("{}\n", StartMarker);
+  if (file.Write(strLine.c_str(), strLine.size()) != static_cast<ssize_t>(strLine.size()))
+    return; // error
+
+  for (int i = 0; i < (int)m_vecItems.size(); ++i)
+  {
+    CFileItemPtr item = m_vecItems[i];
+    std::string strDescription=item->GetLabel();
+    g_charsetConverter.utf8ToStringCharset(strDescription);
+    strLine = StringUtils::Format("{}:{},{}\n", InfoMarker,
+                                  item->GetMusicInfoTag()->GetDuration(), strDescription);
+    if (file.Write(strLine.c_str(), strLine.size()) != static_cast<ssize_t>(strLine.size()))
+      return; // error
+    if (item->GetStartOffset() != 0 || item->GetEndOffset() != 0)
+    {
+      strLine = StringUtils::Format("{}:{},{}\n", OffsetMarker, item->GetStartOffset(),
+                                    item->GetEndOffset());
+      file.Write(strLine.c_str(),strLine.size());
+    }
+    std::string strFileName = ResolveURL(item);
+    g_charsetConverter.utf8ToStringCharset(strFileName);
+    strLine = StringUtils::Format("{}\n", strFileName);
+    if (file.Write(strLine.c_str(), strLine.size()) != static_cast<ssize_t>(strLine.size()))
+      return; // error
+  }
+  file.Close();
+}
+
+std::map< std::string, std::string > CPlayListM3U::ParseStreamLine(const std::string &streamLine)
+{
+  std::map< std::string, std::string > params;
+
+  // ensure the line has something beyond the stream marker and ':'
+  if (streamLine.size() < strlen(StreamMarker) + 2)
+    return params;
+
+  // get the actual params following the :
+  std::string strParams(streamLine.substr(strlen(StreamMarker) + 1));
+
+  // separate the parameters
+  std::vector<std::string> vecParams = StringUtils::Split(strParams, ",");
+  for (std::vector<std::string>::iterator i = vecParams.begin(); i != vecParams.end(); ++i)
+  {
+    // split the param, ensure there was an =
+    StringUtils::Trim(*i);
+    std::vector<std::string> vecTuple = StringUtils::Split(*i, "=");
+    if (vecTuple.size() < 2)
+      continue;
+
+    // remove white space from name and value and store it in the dictionary
+    StringUtils::Trim(vecTuple[0]);
+    StringUtils::Trim(vecTuple[1]);
+    params[vecTuple[0]] = vecTuple[1];
+  }
+
+  return params;
+}
+