/*

  * MP3/MPlayer plugin to VDR (C++)

  *

  * (C) 2001-2005 Stefan Huelswitt <s.huelswitt@gmx.de>

  *

  * This code is free software; you can redistribute it and/or

  * modify it under the terms of the GNU General Public License

  * as published by the Free Software Foundation; either version 2

  * of the License, or (at your option) any later version.

  *

  * This code is distributed in the hope that it will be useful,

  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  * GNU General Public License for more details.

  *

  * You should have received a copy of the GNU General Public License

  * along with this program; if not, write to the Free Software

  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

  * Or, point your browser to http://www.gnu.org/copyleft/gpl.html

  */

 #ifndef ___DECODER_MP3_H

 #define ___DECODER_MP3_H

 #define DEC_MP3     DEC_ID('M','P','3',' ')

 #define DEC_MP3_STR "MP3"

 #include <mad.h>

 #include <id3tag.h>

 #include "decoder.h"

 #include "decoder-core.h"

 #if MAD_F_FRACBITS != 28

 #warning libmad with MAD_F_FRACBITS != 28 not tested

 #endif

 class cStream;

 // ----------------------------------------------------------------

 class cScanID3 : public cSongInfo {

 private:

   bool keepOpen, *urgent;

   //

   bool Abort(bool result);

   struct id3_tag *GetID3(struct mad_stream *stream, id3_length_t tagsize) const;

   void ParseID3(const struct id3_tag *tag);

   void ParseStr(const struct id3_tag *tag, const char *id, char * &data);

   void ParsePic(const struct id3_tag *tag, const char *id, char * &name);

   int ParseXing(struct mad_bitptr *ptr, unsigned int bitlen) const;

 protected:

   cStream *str;

 public:

   cScanID3(cStream *Str, bool *Urgent);

   virtual ~cScanID3() {}

   virtual bool DoScan(bool KeepOpen=false);

   virtual void InfoHook(struct mad_header *header) {}

   };

 // ----------------------------------------------------------------

 class cMP3Decoder : public cDecoder {

 private:

   struct Decode ds;

   //

   struct mad_stream *stream;

   struct mad_frame *frame;

   struct mad_synth *synth;

   mad_timer_t playtime, skiptime;

   //

   struct FrameInfo {

     unsigned long long Pos;

     mad_timer_t Time;

     } *fi;

   int framenum, framemax, errcount, mute;

   //

   void Init(void);

   void Clean(void);

   struct Decode *Done(eDecodeStatus status);

   eDecodeStatus DecodeError(bool hdr);

   void MakeSkipTime(mad_timer_t *skiptime, mad_timer_t playtime, int secs, float bsecs);

 protected:

   cStream *str;

   cScanID3 *scan;

   bool isStream;

 public:

   cMP3Decoder(const char *Filename, bool preinit=true);

   virtual ~cMP3Decoder();

   virtual bool Valid(void);

   virtual cFileInfo *FileInfo(void);

   virtual cSongInfo *SongInfo(bool get);

   virtual cPlayInfo *PlayInfo(void);

   virtual bool Start(void);

   virtual bool Stop(void);

   virtual bool Skip(int Seconds, float bsecs);

   virtual struct Decode *Decode(void);

   };

 #endif //___DECODER_MP3_H