nathan@0: /*
nathan@0:  * MP3/MPlayer plugin to VDR (C++)
nathan@0:  *
nathan@0:  * (C) 2001-2006 Stefan Huelswitt <s.huelswitt@gmx.de>
nathan@0:  *
nathan@0:  * This code is free software; you can redistribute it and/or
nathan@0:  * modify it under the terms of the GNU General Public License
nathan@0:  * as published by the Free Software Foundation; either version 2
nathan@0:  * of the License, or (at your option) any later version.
nathan@0:  *
nathan@0:  * This code is distributed in the hope that it will be useful,
nathan@0:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
nathan@0:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
nathan@0:  * GNU General Public License for more details.
nathan@0:  *
nathan@0:  * You should have received a copy of the GNU General Public License
nathan@0:  * along with this program; if not, write to the Free Software
nathan@0:  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
nathan@0:  * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
nathan@0:  */
nathan@0: 
nathan@0: #ifndef ___STREAM_H
nathan@0: #define ___STREAM_H
nathan@0: 
nathan@0: #include "decoder.h"
nathan@0: 
nathan@0: class cNet;
nathan@0: 
nathan@0: // ----------------------------------------------------------------
nathan@0: 
nathan@0: #if 0
nathan@0: class cIO : public cFileInfo {
nathan@0: protected:
nathan@0:   bool log;
nathan@0:   unsigned long long readpos;
nathan@0: public:
nathan@0:   cIO(const char *Filename, bool Log);
nathan@0:   virtual ~cIO();
nathan@0:   virtual bool Open(void)=0;
nathan@0:   virtual void Close(void)=0;
nathan@0:   virtual int Read(unsigned char *Data, int Size)=0;
nathan@0:   virtual unsigned char *StreamInit(int Size) { return 0; }
nathan@0:   virtual int Stream(const unsigned char *rest) { return -1; }
nathan@0:   virtual bool Seek(unsigned long long pos, int whence) { return -1; }
nathan@0:   virtual unsigned long long Tell(void) { return readpos; }
nathan@0:   };
nathan@0: 
nathan@0: // ----------------------------------------------------------------
nathan@0: 
nathan@0: class cStreamIO {
nathan@0: private:
nathan@0:   int size, fill;
nathan@0:   unsigned char *data;
nathan@0: protected:
nathan@0:   void StreamClear(bool all);
nathan@0: public:
nathan@0:   cStreamIO(void);
nathan@0:   virtual ~cStreamIO();
nathan@0:   virtual unsigned char *StreamInit(int Size);
nathan@0:   virtual int Stream(const unsigned char *rest);
nathan@0:   virtual int Read(unsigned char *Data, int Size)=0;
nathan@0:   };
nathan@0: 
nathan@0: // ----------------------------------------------------------------
nathan@0: 
nathan@0: class cFileIO : public cIO, public cStreamIO {
nathan@0: protected:
nathan@0:   int fd;
nathan@0: public:
nathan@0:   cFileIO(const char *Filename, bool Log);
nathan@0:   virtual ~cFileIO();
nathan@0:   virtual bool Open(void);
nathan@0:   virtual void Close(void);
nathan@0:   virtual int Read(unsigned char *Data, int Size);
nathan@0:   virtual bool Seek(unsigned long long pos, int whence);
nathan@0:   };
nathan@0: #endif
nathan@0: 
nathan@0: // ----------------------------------------------------------------
nathan@0: 
nathan@0: class cStream : public cFileInfo {
nathan@0: private:
nathan@0:   int fd;
nathan@0:   bool ismmap;
nathan@0: protected:
nathan@0:   unsigned char *buffer;
nathan@0:   unsigned long long readpos, buffpos;
nathan@0:   unsigned long fill;
nathan@0: public:
nathan@0:   cStream(const char *Filename);
nathan@0:   virtual ~cStream();
nathan@0:   virtual bool Open(bool log=true);
nathan@0:   virtual void Close(void);
nathan@0:   virtual bool Stream(unsigned char *&data, unsigned long &len, const unsigned char *rest=NULL);
nathan@0:   virtual bool Seek(unsigned long long pos=0);
nathan@0:   virtual unsigned long long BufferPos(void) { return buffpos; }
nathan@0:   };
nathan@0: 
nathan@0: // ----------------------------------------------------------------
nathan@0: 
nathan@0: class cNetStream : public cStream {
nathan@0: private:
nathan@0:   cNet *net;
nathan@0:   char *host, *path, *auth;
nathan@0:   int port, cc;
nathan@0:   //
nathan@0:   char *icyName, *icyUrl, *icyTitle;
nathan@0:   int metaInt, metaCnt;
nathan@0:   bool icyChanged;
nathan@0:   //
nathan@0:   bool ParseURL(const char *line, bool log);
nathan@0:   bool ParseURLFile(const char *name, bool log);
nathan@0:   bool SendRequest(void);
nathan@0:   bool GetHTTPResponse(void);
nathan@0:   bool ParseHeader(const char *buff, const char *name, char **value);
nathan@0:   bool ParseMetaData(void);
nathan@0:   char *ParseMetaString(const char *buff, const char *name, char **value);
nathan@0: public:
nathan@0:   cNetStream(const char *Filename);
nathan@0:   virtual ~cNetStream();
nathan@0:   virtual bool Open(bool log=true);
nathan@0:   virtual void Close(void);
nathan@0:   virtual bool Stream(unsigned char *&data, unsigned long &len, const unsigned char *rest=NULL);
nathan@0:   virtual bool Seek(unsigned long long pos=0);
nathan@0:   bool Valid(void) { return ParseURLFile(Filename,false); }
nathan@0:   const char *IcyName(void) const { return icyName; }
nathan@0:   const char *IcyUrl(void) const { return icyUrl; }
nathan@0:   const char *IcyTitle(void) const { return icyTitle; }
nathan@0:   bool IcyChanged(void);
nathan@0:   };
nathan@0: 
nathan@0: #endif //___STREAM_H