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
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
/*
* Copyright (C) 2000 the xine project
*
* This file is part of xine, a unix video player.
*
* xine 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.
*
* xine 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
*
* $Id: demux.h,v 1.2 2001/04/19 09:46:57 f1rmb Exp $
*/
#ifndef HAVE_DEMUX_H
#define HAVE_DEMUX_H
#include "buffer.h"
#include "xine_internal.h"
#if defined(XINE_COMPILE)
#include "input/input_plugin.h"
#else
#include "input_plugin.h"
#endif
#define DEMUX_OK 0
#define DEMUX_FINISHED 1
#define DEMUX_CANNOT_HANDLE 0
#define DEMUX_CAN_HANDLE 1
#define DEMUX_DEFAULT_STRATEGY 0
#define DEMUX_REVERT_STRATEGY 1
#define DEMUX_CONTENT_STRATEGY 2
#define DEMUX_EXTENSION_STRATEGY 3
#define STAGE_BY_CONTENT 1
#define STAGE_BY_EXTENSION 2
/*
* a demux plugin (no matter if it's staically built into xine
* or dynamically loaded at run-time) must implement these functions
*/
typedef struct demux_plugin_s demux_plugin_t;
struct demux_plugin_s
{
/*
* ask demuxer to open the given stream (input-plugin)
* using the content-detection method specified in <stage>
*
* return values:
* DEMUX_CAN_HANDLE on success
* DEMUX_CANNOT_HANDLE on failure
*/
int (*open) (demux_plugin_t *this, input_plugin_t *ip,
int stage);
/*
* start demux thread
* pos : 0..65535
*/
void (*start) (demux_plugin_t *this, fifo_buffer_t *video_fifo,
fifo_buffer_t *audio_fifo, fifo_buffer_t *spu_fifo,
off_t pos) ;
/*
* stop & kill demux thread, free resources associated with current
* input stream
*/
void (*stop) (demux_plugin_t *this) ;
/*
* close demuxer, free all resources
*/
void (*close) (demux_plugin_t *this) ;
/*
* returns DEMUX_OK or DEMUX_FINISHED
*/
int (*get_status) (demux_plugin_t *this) ;
/*
* return human readable identifier for this plugin
*/
char* (*get_identifier) (demux_plugin_t *this);
} ;
/*
* for dynamic demux plugins:
*
* make sure you provide this (and only this!) function call:
*
* demux_plugin_t *init_demux_plugin (config_values_t *cfg, uint32_t xd);
*
*/
demux_plugin_t *init_demux_mpeg (config_values_t *cfg, uint32_t xd);
demux_plugin_t *init_demux_mpeg_block (config_values_t *cfg, uint32_t xd);
demux_plugin_t *init_demux_avi (config_values_t *cfg, uint32_t xd);
demux_plugin_t *init_demux_mpeg_audio (config_values_t *cfg, uint32_t xd);
demux_plugin_t *init_demux_mpeg_elem(config_values_t *cfg, uint32_t xd);
#endif
|