1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
/*
* 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
|
