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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
47#define SPEED_PKTS_INTERVAL 50000
48
49struct dvb_demux_filter {
50 struct dmx_section_filter filter;
51 u8 maskandmode[DMX_MAX_FILTER_SIZE];
52 u8 maskandnotmode[DMX_MAX_FILTER_SIZE];
53 int doneq;
54
55 struct dvb_demux_filter *next;
56 struct dvb_demux_feed *feed;
57 int index;
58 int state;
59 int type;
60
61 u16 hw_handle;
62 struct timer_list timer;
63};
64
65#define DMX_FEED_ENTRY(pos) list_entry(pos, struct dvb_demux_feed, list_head)
66
67struct dvb_demux_feed {
68 union {
69 struct dmx_ts_feed ts;
70 struct dmx_section_feed sec;
71 } feed;
72
73 union {
74 dmx_ts_cb ts;
75 dmx_section_cb sec;
76 } cb;
77
78 struct dvb_demux *demux;
79 void *priv;
80 int type;
81 int state;
82 u16 pid;
83 u8 *buffer;
84 int buffer_size;
85
86 ktime_t timeout;
87 struct dvb_demux_filter *filter;
88
89 int ts_type;
90 enum dmx_ts_pes pes_type;
91
92 int cc;
93 int pusi_seen;
94
95 u16 peslen;
96
97 struct list_head list_head;
98 unsigned int index;
99};
100
101struct dvb_demux {
102 struct dmx_demux dmx;
103 void *priv;
104 int filternum;
105 int feednum;
106 int (*start_feed)(struct dvb_demux_feed *feed);
107 int (*stop_feed)(struct dvb_demux_feed *feed);
108 int (*write_to_decoder)(struct dvb_demux_feed *feed,
109 const u8 *buf, size_t len);
110 u32 (*check_crc32)(struct dvb_demux_feed *feed,
111 const u8 *buf, size_t len);
112 void (*memcopy)(struct dvb_demux_feed *feed, u8 *dst,
113 const u8 *src, size_t len);
114
115 int users;
116#define MAX_DVB_DEMUX_USERS 10
117 struct dvb_demux_filter *filter;
118 struct dvb_demux_feed *feed;
119
120 struct list_head frontend_list;
121
122 struct dvb_demux_feed *pesfilter[DMX_PES_OTHER];
123 u16 pids[DMX_PES_OTHER];
124 int playing;
125 int recording;
126
127#define DMX_MAX_PID 0x2000
128 struct list_head feed_list;
129 u8 tsbuf[204];
130 int tsbufp;
131
132 struct mutex mutex;
133 spinlock_t lock;
134
135 uint8_t *cnt_storage;
136
137 ktime_t speed_last_time;
138 uint32_t speed_pkts_cnt;
139};
140
141int dvb_dmx_init(struct dvb_demux *dvbdemux);
142void dvb_dmx_release(struct dvb_demux *dvbdemux);
143void dvb_dmx_swfilter_packets(struct dvb_demux *dvbdmx, const u8 *buf,
144 size_t count);
145void dvb_dmx_swfilter(struct dvb_demux *demux, const u8 *buf, size_t count);
146void dvb_dmx_swfilter_204(struct dvb_demux *demux, const u8 *buf,
147 size_t count);
148void dvb_dmx_swfilter_raw(struct dvb_demux *demux, const u8 *buf,
149 size_t count);
150
151#endif
152