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Diffstat (limited to 'drivers/media/dvb/dvb-core/dmxdev.h')
-rw-r--r--drivers/media/dvb/dvb-core/dmxdev.h118
1 files changed, 118 insertions, 0 deletions
diff --git a/drivers/media/dvb/dvb-core/dmxdev.h b/drivers/media/dvb/dvb-core/dmxdev.h
new file mode 100644
index 00000000000..02ebe28f830
--- /dev/null
+++ b/drivers/media/dvb/dvb-core/dmxdev.h
@@ -0,0 +1,118 @@
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>
29#include <linux/timer.h>
30#include <linux/wait.h>
31#include <linux/fs.h>
32#include <linux/string.h>
33#include <linux/mutex.h>
34#include <linux/slab.h>
35
36#include <linux/dvb/dmx.h>
37
38#include "dvbdev.h"
39#include "demux.h"
40#include "dvb_ringbuffer.h"
41
42enum dmxdev_type {
43 DMXDEV_TYPE_NONE,
44 DMXDEV_TYPE_SEC,
45 DMXDEV_TYPE_PES,
46};
47
48enum dmxdev_state {
49 DMXDEV_STATE_FREE,
50 DMXDEV_STATE_ALLOCATED,
51 DMXDEV_STATE_SET,
52 DMXDEV_STATE_GO,
53 DMXDEV_STATE_DONE,
54 DMXDEV_STATE_TIMEDOUT
55};
56
57struct dmxdev_feed {
58 u16 pid;
59 struct dmx_ts_feed *ts;
60 struct list_head next;
61};
62
63struct dmxdev_filter {
64 union {
65 struct dmx_section_filter *sec;
66 } filter;
67
68 union {
69 /* list of TS and PES feeds (struct dmxdev_feed) */
70 struct list_head ts;
71 struct dmx_section_feed *sec;
72 } feed;
73
74 union {
75 struct dmx_sct_filter_params sec;
76 struct dmx_pes_filter_params pes;
77 } params;
78
79 enum dmxdev_type type;
80 enum dmxdev_state state;
81 struct dmxdev *dev;
82 struct dvb_ringbuffer buffer;
83
84 struct mutex mutex;
85
86 /* only for sections */
87 struct timer_list timer;
88 int todo;
89 u8 secheader[3];
90};
91
92
93struct dmxdev {
94 struct dvb_device *dvbdev;
95 struct dvb_device *dvr_dvbdev;
96
97 struct dmxdev_filter *filter;
98 struct dmx_demux *demux;
99
100 int filternum;
101 int capabilities;
102
103 unsigned int exit:1;
104#define DMXDEV_CAP_DUPLEX 1
105 struct dmx_frontend *dvr_orig_fe;
106
107 struct dvb_ringbuffer dvr_buffer;
108#define DVR_BUFFER_SIZE (10*188*1024)
109
110 struct mutex mutex;
111 spinlock_t lock;
112};
113
114
115int dvb_dmxdev_init(struct dmxdev *dmxdev, struct dvb_adapter *);
116void dvb_dmxdev_release(struct dmxdev *dmxdev);
117
118#endif /* _DMXDEV_H_ */