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
|
/*
* Copyright (C) 2003-2012 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program 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 program 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPD_FLAC_INPUT_HXX
#define MPD_FLAC_INPUT_HXX
#include <FLAC/stream_decoder.h>
/**
* This class wraps an #input_stream in libFLAC stream decoder
* callbacks.
*/
class FLACInput {
struct decoder *decoder;
struct input_stream *input_stream;
public:
FLACInput(struct input_stream *_input_stream,
struct decoder *_decoder=nullptr)
:decoder(_decoder), input_stream(_input_stream) {}
protected:
FLAC__StreamDecoderReadStatus Read(FLAC__byte buffer[], size_t *bytes);
FLAC__StreamDecoderSeekStatus Seek(FLAC__uint64 absolute_byte_offset);
FLAC__StreamDecoderTellStatus Tell(FLAC__uint64 *absolute_byte_offset);
FLAC__StreamDecoderLengthStatus Length(FLAC__uint64 *stream_length);
FLAC__bool Eof();
void Error(FLAC__StreamDecoderErrorStatus status);
public:
static FLAC__StreamDecoderReadStatus
Read(const FLAC__StreamDecoder *flac_decoder,
FLAC__byte buffer[], size_t *bytes, void *client_data);
static FLAC__StreamDecoderSeekStatus
Seek(const FLAC__StreamDecoder *flac_decoder,
FLAC__uint64 absolute_byte_offset, void *client_data);
static FLAC__StreamDecoderTellStatus
Tell(const FLAC__StreamDecoder *flac_decoder,
FLAC__uint64 *absolute_byte_offset, void *client_data);
static FLAC__StreamDecoderLengthStatus
Length(const FLAC__StreamDecoder *flac_decoder,
FLAC__uint64 *stream_length, void *client_data);
static FLAC__bool
Eof(const FLAC__StreamDecoder *flac_decoder, void *client_data);
static void
Error(const FLAC__StreamDecoder *decoder,
FLAC__StreamDecoderErrorStatus status, void *client_data);
};
#endif
|