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1da177e4 LT |
1 | /* |
2 | * dmxdev.h | |
3 | * | |
4 | * Copyright (C) 2000 Ralph Metzler & Marcus Metzler | |
5 | * for convergence integrated media GmbH | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU Lesser General Public License | |
9 | * as published by the Free Software Foundation; either version 2.1 | |
10 | * of the License, or (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
1da177e4 LT |
17 | */ |
18 | ||
19 | #ifndef _DMXDEV_H_ | |
20 | #define _DMXDEV_H_ | |
21 | ||
22 | #include <linux/types.h> | |
23 | #include <linux/spinlock.h> | |
24 | #include <linux/kernel.h> | |
b2409b65 | 25 | #include <linux/time.h> |
1da177e4 LT |
26 | #include <linux/timer.h> |
27 | #include <linux/wait.h> | |
28 | #include <linux/fs.h> | |
29 | #include <linux/string.h> | |
3593cab5 | 30 | #include <linux/mutex.h> |
5a0e3ad6 | 31 | #include <linux/slab.h> |
1da177e4 LT |
32 | |
33 | #include <linux/dvb/dmx.h> | |
34 | ||
35 | #include "dvbdev.h" | |
36 | #include "demux.h" | |
34731df2 | 37 | #include "dvb_ringbuffer.h" |
1da177e4 | 38 | |
bbad7dc5 | 39 | enum dmxdev_type { |
1da177e4 LT |
40 | DMXDEV_TYPE_NONE, |
41 | DMXDEV_TYPE_SEC, | |
42 | DMXDEV_TYPE_PES, | |
43 | }; | |
44 | ||
45 | enum dmxdev_state { | |
46 | DMXDEV_STATE_FREE, | |
47 | DMXDEV_STATE_ALLOCATED, | |
48 | DMXDEV_STATE_SET, | |
49 | DMXDEV_STATE_GO, | |
50 | DMXDEV_STATE_DONE, | |
51 | DMXDEV_STATE_TIMEDOUT | |
52 | }; | |
53 | ||
1cb662a3 AO |
54 | struct dmxdev_feed { |
55 | u16 pid; | |
56 | struct dmx_ts_feed *ts; | |
57 | struct list_head next; | |
58 | }; | |
59 | ||
1da177e4 | 60 | struct dmxdev_filter { |
afd1a0c9 MCC |
61 | union { |
62 | struct dmx_section_filter *sec; | |
1da177e4 LT |
63 | } filter; |
64 | ||
afd1a0c9 | 65 | union { |
1cb662a3 AO |
66 | /* list of TS and PES feeds (struct dmxdev_feed) */ |
67 | struct list_head ts; | |
afd1a0c9 | 68 | struct dmx_section_feed *sec; |
1da177e4 LT |
69 | } feed; |
70 | ||
afd1a0c9 MCC |
71 | union { |
72 | struct dmx_sct_filter_params sec; | |
73 | struct dmx_pes_filter_params pes; | |
1da177e4 LT |
74 | } params; |
75 | ||
bbad7dc5 | 76 | enum dmxdev_type type; |
afd1a0c9 MCC |
77 | enum dmxdev_state state; |
78 | struct dmxdev *dev; | |
34731df2 | 79 | struct dvb_ringbuffer buffer; |
1da177e4 | 80 | |
3593cab5 | 81 | struct mutex mutex; |
1da177e4 | 82 | |
afd1a0c9 MCC |
83 | /* only for sections */ |
84 | struct timer_list timer; | |
85 | int todo; | |
86 | u8 secheader[3]; | |
1da177e4 LT |
87 | }; |
88 | ||
89 | ||
1da177e4 LT |
90 | struct dmxdev { |
91 | struct dvb_device *dvbdev; | |
92 | struct dvb_device *dvr_dvbdev; | |
93 | ||
afd1a0c9 | 94 | struct dmxdev_filter *filter; |
afd1a0c9 | 95 | struct dmx_demux *demux; |
1da177e4 | 96 | |
afd1a0c9 MCC |
97 | int filternum; |
98 | int capabilities; | |
57861b43 MR |
99 | |
100 | unsigned int exit:1; | |
1da177e4 | 101 | #define DMXDEV_CAP_DUPLEX 1 |
afd1a0c9 | 102 | struct dmx_frontend *dvr_orig_fe; |
1da177e4 | 103 | |
34731df2 | 104 | struct dvb_ringbuffer dvr_buffer; |
1da177e4 LT |
105 | #define DVR_BUFFER_SIZE (10*188*1024) |
106 | ||
3593cab5 | 107 | struct mutex mutex; |
1da177e4 LT |
108 | spinlock_t lock; |
109 | }; | |
110 | ||
111 | ||
112 | int dvb_dmxdev_init(struct dmxdev *dmxdev, struct dvb_adapter *); | |
113 | void dvb_dmxdev_release(struct dmxdev *dmxdev); | |
114 | ||
115 | #endif /* _DMXDEV_H_ */ |