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/*
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* MP3/MPlayer plugin to VDR (C++)
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*
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* (C) 2001-2005 Stefan Huelswitt <s.huelswitt@gmx.de>
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*
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* This code is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This code is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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* Or, point your browser to http://www.gnu.org/copyleft/gpl.html
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*/
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#ifndef ___DECODER_MP3_H
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#define ___DECODER_MP3_H
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#define DEC_MP3 DEC_ID('M','P','3',' ')
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#define DEC_MP3_STR "MP3"
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#include <mad.h>
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#include <id3tag.h>
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#include "decoder.h"
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#include "decoder-core.h"
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#if MAD_F_FRACBITS != 28
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#warning libmad with MAD_F_FRACBITS != 28 not tested
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#endif
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class cStream;
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// ----------------------------------------------------------------
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class cScanID3 : public cSongInfo {
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private:
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bool keepOpen, *urgent;
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//
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bool Abort(bool result);
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struct id3_tag *GetID3(struct mad_stream *stream, id3_length_t tagsize) const;
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void ParseID3(const struct id3_tag *tag);
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void ParseStr(const struct id3_tag *tag, const char *id, char * &data);
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void ParsePic(const struct id3_tag *tag, const char *id, char * &name);
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int ParseXing(struct mad_bitptr *ptr, unsigned int bitlen) const;
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protected:
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cStream *str;
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public:
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cScanID3(cStream *Str, bool *Urgent);
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virtual ~cScanID3() {}
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virtual bool DoScan(bool KeepOpen=false);
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virtual void InfoHook(struct mad_header *header) {}
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};
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// ----------------------------------------------------------------
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class cMP3Decoder : public cDecoder {
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private:
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struct Decode ds;
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//
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struct mad_stream *stream;
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struct mad_frame *frame;
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struct mad_synth *synth;
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mad_timer_t playtime, skiptime;
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//
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struct FrameInfo {
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unsigned long long Pos;
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mad_timer_t Time;
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} *fi;
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int framenum, framemax, errcount, mute;
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//
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void Init(void);
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void Clean(void);
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struct Decode *Done(eDecodeStatus status);
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eDecodeStatus DecodeError(bool hdr);
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void MakeSkipTime(mad_timer_t *skiptime, mad_timer_t playtime, int secs, float bsecs);
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protected:
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cStream *str;
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cScanID3 *scan;
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bool isStream;
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public:
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cMP3Decoder(const char *Filename, bool preinit=true);
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virtual ~cMP3Decoder();
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virtual bool Valid(void);
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virtual cFileInfo *FileInfo(void);
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virtual cSongInfo *SongInfo(bool get);
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virtual cPlayInfo *PlayInfo(void);
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virtual bool Start(void);
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virtual bool Stop(void);
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virtual bool Skip(int Seconds, float bsecs);
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virtual struct Decode *Decode(void);
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};
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#endif //___DECODER_MP3_H
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