nathan@0: /*
nathan@0:  * MP3/MPlayer plugin to VDR (C++)
nathan@0:  *
nathan@0:  * (C) 2001-2005 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 ___DECODER_MP3_H
nathan@0: #define ___DECODER_MP3_H
nathan@0: 
nathan@0: #define DEC_MP3     DEC_ID('M','P','3',' ')
nathan@0: #define DEC_MP3_STR "MP3"
nathan@0: 
nathan@0: #include <mad.h>
nathan@0: #include <id3tag.h>
nathan@0: 
nathan@0: #include "decoder.h"
nathan@0: #include "decoder-core.h"
nathan@0: 
nathan@0: #if MAD_F_FRACBITS != 28
nathan@0: #warning libmad with MAD_F_FRACBITS != 28 not tested
nathan@0: #endif
nathan@0: 
nathan@0: class cStream;
nathan@0: 
nathan@0: // ----------------------------------------------------------------
nathan@0: 
nathan@0: class cScanID3 : public cSongInfo {
nathan@0: private:
nathan@0:   bool keepOpen, *urgent;
nathan@0:   //
nathan@0:   bool Abort(bool result);
nathan@0:   struct id3_tag *GetID3(struct mad_stream *stream, id3_length_t tagsize) const;
nathan@0:   void ParseID3(const struct id3_tag *tag);
nathan@0:   void ParseStr(const struct id3_tag *tag, const char *id, char * &data);
nathan@0:   void ParsePic(const struct id3_tag *tag, const char *id, char * &name);
nathan@0:   int ParseXing(struct mad_bitptr *ptr, unsigned int bitlen) const;
nathan@0: protected:
nathan@0:   cStream *str;
nathan@0: public:
nathan@0:   cScanID3(cStream *Str, bool *Urgent);
nathan@0:   virtual ~cScanID3() {}
nathan@0:   virtual bool DoScan(bool KeepOpen=false);
nathan@0:   virtual void InfoHook(struct mad_header *header) {}
nathan@0:   };
nathan@0: 
nathan@0: // ----------------------------------------------------------------
nathan@0: 
nathan@0: class cMP3Decoder : public cDecoder {
nathan@0: private:
nathan@0:   struct Decode ds;
nathan@0:   //
nathan@0:   struct mad_stream *stream;
nathan@0:   struct mad_frame *frame;
nathan@0:   struct mad_synth *synth;
nathan@0:   mad_timer_t playtime, skiptime;
nathan@0:   //
nathan@0:   struct FrameInfo {
nathan@0:     unsigned long long Pos;
nathan@0:     mad_timer_t Time;
nathan@0:     } *fi;
nathan@0:   int framenum, framemax, errcount, mute;
nathan@0:   //
nathan@0:   void Init(void);
nathan@0:   void Clean(void);
nathan@0:   struct Decode *Done(eDecodeStatus status);
nathan@0:   eDecodeStatus DecodeError(bool hdr);
nathan@0:   void MakeSkipTime(mad_timer_t *skiptime, mad_timer_t playtime, int secs, float bsecs);
nathan@0: protected:
nathan@0:   cStream *str;
nathan@0:   cScanID3 *scan;
nathan@0:   bool isStream;
nathan@0: public:
nathan@0:   cMP3Decoder(const char *Filename, bool preinit=true);
nathan@0:   virtual ~cMP3Decoder();
nathan@0:   virtual bool Valid(void);
nathan@0:   virtual cFileInfo *FileInfo(void);
nathan@0:   virtual cSongInfo *SongInfo(bool get);
nathan@0:   virtual cPlayInfo *PlayInfo(void);
nathan@0:   virtual bool Start(void);
nathan@0:   virtual bool Stop(void);
nathan@0:   virtual bool Skip(int Seconds, float bsecs);
nathan@0:   virtual struct Decode *Decode(void);
nathan@0:   };
nathan@0: 
nathan@0: #endif //___DECODER_MP3_H