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23#ifndef _DVB_DEMUX_H_
24#define _DVB_DEMUX_H_
25
26#include <linux/time.h>
27#include <linux/timer.h>
28#include <linux/spinlock.h>
29#include <linux/mutex.h>
30
31#include "demux.h"
32
33#define DMX_TYPE_TS 0
34#define DMX_TYPE_SEC 1
35#define DMX_TYPE_PES 2
36
37#define DMX_STATE_FREE 0
38#define DMX_STATE_ALLOCATED 1
39#define DMX_STATE_SET 2
40#define DMX_STATE_READY 3
41#define DMX_STATE_GO 4
42
43#define DVB_DEMUX_MASK_MAX 18
44
45#define MAX_PID 0x1fff
46
47struct dvb_demux_filter {
48 struct dmx_section_filter filter;
49 u8 maskandmode[DMX_MAX_FILTER_SIZE];
50 u8 maskandnotmode[DMX_MAX_FILTER_SIZE];
51 int doneq;
52
53 struct dvb_demux_filter *next;
54 struct dvb_demux_feed *feed;
55 int index;
56 int state;
57 int type;
58
59 u16 hw_handle;
60 struct timer_list timer;
61};
62
63#define DMX_FEED_ENTRY(pos) list_entry(pos, struct dvb_demux_feed, list_head)
64
65struct dvb_demux_feed {
66 union {
67 struct dmx_ts_feed ts;
68 struct dmx_section_feed sec;
69 } feed;
70
71 union {
72 dmx_ts_cb ts;
73 dmx_section_cb sec;
74 } cb;
75
76 struct dvb_demux *demux;
77 void *priv;
78 int type;
79 int state;
80 u16 pid;
81 u8 *buffer;
82 int buffer_size;
83
84 struct timespec timeout;
85 struct dvb_demux_filter *filter;
86
87 int ts_type;
88 enum dmx_ts_pes pes_type;
89
90 int cc;
91 int pusi_seen;
92
93 u16 peslen;
94
95 struct list_head list_head;
96 unsigned int index;
97};
98
99struct dvb_demux {
100 struct dmx_demux dmx;
101 void *priv;
102 int filternum;
103 int feednum;
104 int (*start_feed)(struct dvb_demux_feed *feed);
105 int (*stop_feed)(struct dvb_demux_feed *feed);
106 int (*write_to_decoder)(struct dvb_demux_feed *feed,
107 const u8 *buf, size_t len);
108 u32 (*check_crc32)(struct dvb_demux_feed *feed,
109 const u8 *buf, size_t len);
110 void (*memcopy)(struct dvb_demux_feed *feed, u8 *dst,
111 const u8 *src, size_t len);
112
113 int users;
114#define MAX_DVB_DEMUX_USERS 10
115 struct dvb_demux_filter *filter;
116 struct dvb_demux_feed *feed;
117
118 struct list_head frontend_list;
119
120 struct dvb_demux_feed *pesfilter[DMX_TS_PES_OTHER];
121 u16 pids[DMX_TS_PES_OTHER];
122 int playing;
123 int recording;
124
125#define DMX_MAX_PID 0x2000
126 struct list_head feed_list;
127 u8 tsbuf[204];
128 int tsbufp;
129
130 struct mutex mutex;
131 spinlock_t lock;
132
133 uint8_t *cnt_storage;
134};
135
136int dvb_dmx_init(struct dvb_demux *dvbdemux);
137void dvb_dmx_release(struct dvb_demux *dvbdemux);
138void dvb_dmx_swfilter_packets(struct dvb_demux *dvbdmx, const u8 *buf,
139 size_t count);
140void dvb_dmx_swfilter(struct dvb_demux *demux, const u8 *buf, size_t count);
141void dvb_dmx_swfilter_204(struct dvb_demux *demux, const u8 *buf,
142 size_t count);
143
144#endif
145