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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 | * | |
17 | * You should have received a copy of the GNU Lesser General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
20 | * | |
21 | */ | |
22 | ||
23 | #ifndef _DMXDEV_H_ | |
24 | #define _DMXDEV_H_ | |
25 | ||
26 | #include <linux/types.h> | |
27 | #include <linux/spinlock.h> | |
28 | #include <linux/kernel.h> | |
b2409b65 | 29 | #include <linux/time.h> |
1da177e4 LT |
30 | #include <linux/timer.h> |
31 | #include <linux/wait.h> | |
32 | #include <linux/fs.h> | |
33 | #include <linux/string.h> | |
3593cab5 | 34 | #include <linux/mutex.h> |
5a0e3ad6 | 35 | #include <linux/slab.h> |
1da177e4 LT |
36 | |
37 | #include <linux/dvb/dmx.h> | |
38 | ||
39 | #include "dvbdev.h" | |
40 | #include "demux.h" | |
34731df2 | 41 | #include "dvb_ringbuffer.h" |
1da177e4 | 42 | |
bbad7dc5 | 43 | enum dmxdev_type { |
1da177e4 LT |
44 | DMXDEV_TYPE_NONE, |
45 | DMXDEV_TYPE_SEC, | |
46 | DMXDEV_TYPE_PES, | |
47 | }; | |
48 | ||
49 | enum dmxdev_state { | |
50 | DMXDEV_STATE_FREE, | |
51 | DMXDEV_STATE_ALLOCATED, | |
52 | DMXDEV_STATE_SET, | |
53 | DMXDEV_STATE_GO, | |
54 | DMXDEV_STATE_DONE, | |
55 | DMXDEV_STATE_TIMEDOUT | |
56 | }; | |
57 | ||
1cb662a3 AO |
58 | struct dmxdev_feed { |
59 | u16 pid; | |
60 | struct dmx_ts_feed *ts; | |
61 | struct list_head next; | |
62 | }; | |
63 | ||
1da177e4 | 64 | struct dmxdev_filter { |
afd1a0c9 MCC |
65 | union { |
66 | struct dmx_section_filter *sec; | |
1da177e4 LT |
67 | } filter; |
68 | ||
afd1a0c9 | 69 | union { |
1cb662a3 AO |
70 | /* list of TS and PES feeds (struct dmxdev_feed) */ |
71 | struct list_head ts; | |
afd1a0c9 | 72 | struct dmx_section_feed *sec; |
1da177e4 LT |
73 | } feed; |
74 | ||
afd1a0c9 MCC |
75 | union { |
76 | struct dmx_sct_filter_params sec; | |
77 | struct dmx_pes_filter_params pes; | |
1da177e4 LT |
78 | } params; |
79 | ||
bbad7dc5 | 80 | enum dmxdev_type type; |
afd1a0c9 MCC |
81 | enum dmxdev_state state; |
82 | struct dmxdev *dev; | |
34731df2 | 83 | struct dvb_ringbuffer buffer; |
1da177e4 | 84 | |
3593cab5 | 85 | struct mutex mutex; |
1da177e4 | 86 | |
afd1a0c9 MCC |
87 | /* only for sections */ |
88 | struct timer_list timer; | |
89 | int todo; | |
90 | u8 secheader[3]; | |
1da177e4 LT |
91 | }; |
92 | ||
93 | ||
1da177e4 LT |
94 | struct dmxdev { |
95 | struct dvb_device *dvbdev; | |
96 | struct dvb_device *dvr_dvbdev; | |
97 | ||
afd1a0c9 | 98 | struct dmxdev_filter *filter; |
afd1a0c9 | 99 | struct dmx_demux *demux; |
1da177e4 | 100 | |
afd1a0c9 MCC |
101 | int filternum; |
102 | int capabilities; | |
57861b43 MR |
103 | |
104 | unsigned int exit:1; | |
1da177e4 | 105 | #define DMXDEV_CAP_DUPLEX 1 |
afd1a0c9 | 106 | struct dmx_frontend *dvr_orig_fe; |
1da177e4 | 107 | |
34731df2 | 108 | struct dvb_ringbuffer dvr_buffer; |
1da177e4 LT |
109 | #define DVR_BUFFER_SIZE (10*188*1024) |
110 | ||
3593cab5 | 111 | struct mutex mutex; |
1da177e4 LT |
112 | spinlock_t lock; |
113 | }; | |
114 | ||
115 | ||
116 | int dvb_dmxdev_init(struct dmxdev *dmxdev, struct dvb_adapter *); | |
117 | void dvb_dmxdev_release(struct dmxdev *dmxdev); | |
118 | ||
119 | #endif /* _DMXDEV_H_ */ |