1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/decoder-mp3.h Sat Dec 29 14:47:40 2007 +0100
1.3 @@ -0,0 +1,100 @@
1.4 +/*
1.5 + * MP3/MPlayer plugin to VDR (C++)
1.6 + *
1.7 + * (C) 2001-2005 Stefan Huelswitt <s.huelswitt@gmx.de>
1.8 + *
1.9 + * This code is free software; you can redistribute it and/or
1.10 + * modify it under the terms of the GNU General Public License
1.11 + * as published by the Free Software Foundation; either version 2
1.12 + * of the License, or (at your option) any later version.
1.13 + *
1.14 + * This code is distributed in the hope that it will be useful,
1.15 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.16 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.17 + * GNU General Public License for more details.
1.18 + *
1.19 + * You should have received a copy of the GNU General Public License
1.20 + * along with this program; if not, write to the Free Software
1.21 + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
1.22 + * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
1.23 + */
1.24 +
1.25 +#ifndef ___DECODER_MP3_H
1.26 +#define ___DECODER_MP3_H
1.27 +
1.28 +#define DEC_MP3 DEC_ID('M','P','3',' ')
1.29 +#define DEC_MP3_STR "MP3"
1.30 +
1.31 +#include <mad.h>
1.32 +#include <id3tag.h>
1.33 +
1.34 +#include "decoder.h"
1.35 +#include "decoder-core.h"
1.36 +
1.37 +#if MAD_F_FRACBITS != 28
1.38 +#warning libmad with MAD_F_FRACBITS != 28 not tested
1.39 +#endif
1.40 +
1.41 +class cStream;
1.42 +
1.43 +// ----------------------------------------------------------------
1.44 +
1.45 +class cScanID3 : public cSongInfo {
1.46 +private:
1.47 + bool keepOpen, *urgent;
1.48 + //
1.49 + bool Abort(bool result);
1.50 + struct id3_tag *GetID3(struct mad_stream *stream, id3_length_t tagsize) const;
1.51 + void ParseID3(const struct id3_tag *tag);
1.52 + void ParseStr(const struct id3_tag *tag, const char *id, char * &data);
1.53 + void ParsePic(const struct id3_tag *tag, const char *id, char * &name);
1.54 + int ParseXing(struct mad_bitptr *ptr, unsigned int bitlen) const;
1.55 +protected:
1.56 + cStream *str;
1.57 +public:
1.58 + cScanID3(cStream *Str, bool *Urgent);
1.59 + virtual ~cScanID3() {}
1.60 + virtual bool DoScan(bool KeepOpen=false);
1.61 + virtual void InfoHook(struct mad_header *header) {}
1.62 + };
1.63 +
1.64 +// ----------------------------------------------------------------
1.65 +
1.66 +class cMP3Decoder : public cDecoder {
1.67 +private:
1.68 + struct Decode ds;
1.69 + //
1.70 + struct mad_stream *stream;
1.71 + struct mad_frame *frame;
1.72 + struct mad_synth *synth;
1.73 + mad_timer_t playtime, skiptime;
1.74 + //
1.75 + struct FrameInfo {
1.76 + unsigned long long Pos;
1.77 + mad_timer_t Time;
1.78 + } *fi;
1.79 + int framenum, framemax, errcount, mute;
1.80 + //
1.81 + void Init(void);
1.82 + void Clean(void);
1.83 + struct Decode *Done(eDecodeStatus status);
1.84 + eDecodeStatus DecodeError(bool hdr);
1.85 + void MakeSkipTime(mad_timer_t *skiptime, mad_timer_t playtime, int secs, float bsecs);
1.86 +protected:
1.87 + cStream *str;
1.88 + cScanID3 *scan;
1.89 + bool isStream;
1.90 +public:
1.91 + cMP3Decoder(const char *Filename, bool preinit=true);
1.92 + virtual ~cMP3Decoder();
1.93 + virtual bool Valid(void);
1.94 + virtual cFileInfo *FileInfo(void);
1.95 + virtual cSongInfo *SongInfo(bool get);
1.96 + virtual cPlayInfo *PlayInfo(void);
1.97 + virtual bool Start(void);
1.98 + virtual bool Stop(void);
1.99 + virtual bool Skip(int Seconds, float bsecs);
1.100 + virtual struct Decode *Decode(void);
1.101 + };
1.102 +
1.103 +#endif //___DECODER_MP3_H