1 /*
2 * dmx.h
3 *
4 * Copyright (C) 2000 Marcus Metzler <marcus@convergence.de>
5 * & Ralph Metzler <ralph@convergence.de>
6 for convergence integrated media GmbH
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public License
10 * as published by the Free Software Foundation; either version 2.1
11 * of the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 *
22 */
23
24 #ifndef _DVBDMX_H_
25 #define _DVBDMX_H_
26
27 #include <asm/types.h>
28 #ifdef __KERNEL__
29 #include <linux/time.h>
30 #else
31 #include <time.h>
32 #endif
33
34 #define DMX_FILTER_SIZE 16
35
36 typedef enum
37 {
38 DMX_OUT_DECODER, /* Streaming directly to decoder. */
39 DMX_OUT_TAP, /* Output going to a memory buffer */
40 /* (to be retrieved via the read command).*/
41 DMX_OUT_TS_TAP /* Output multiplexed into a new TS */
42 /* (to be retrieved by reading from the */
43 /* logical DVR device). */
44 } dmx_output_t;
45
46
47 typedef enum
48 {
49 DMX_IN_FRONTEND, /* Input from a front-end device. */
50 DMX_IN_DVR /* Input from the logical DVR device. */
51 } dmx_input_t;
52
53
54 typedef enum
55 {
56 DMX_PES_AUDIO0,
57 DMX_PES_VIDEO0,
58 DMX_PES_TELETEXT0,
59 DMX_PES_SUBTITLE0,
60 DMX_PES_PCR0,
61
62 DMX_PES_AUDIO1,
63 DMX_PES_VIDEO1,
64 DMX_PES_TELETEXT1,
65 DMX_PES_SUBTITLE1,
66 DMX_PES_PCR1,
67
68 DMX_PES_AUDIO2,
69 DMX_PES_VIDEO2,
70 DMX_PES_TELETEXT2,
71 DMX_PES_SUBTITLE2,
72 DMX_PES_PCR2,
73
74 DMX_PES_AUDIO3,
75 DMX_PES_VIDEO3,
76 DMX_PES_TELETEXT3,
77 DMX_PES_SUBTITLE3,
78 DMX_PES_PCR3,
79
80 DMX_PES_OTHER
81 } dmx_pes_type_t;
82
83 #define DMX_PES_AUDIO DMX_PES_AUDIO0
84 #define DMX_PES_VIDEO DMX_PES_VIDEO0
85 #define DMX_PES_TELETEXT DMX_PES_TELETEXT0
86 #define DMX_PES_SUBTITLE DMX_PES_SUBTITLE0
87 #define DMX_PES_PCR DMX_PES_PCR0
88
89
90 typedef enum
91 {
92 DMX_SCRAMBLING_EV,
93 DMX_FRONTEND_EV
94 } dmx_event_t;
95
96
97 typedef enum
98 {
99 DMX_SCRAMBLING_OFF,
100 DMX_SCRAMBLING_ON
101 } dmx_scrambling_status_t;
102
103
104 typedef struct dmx_filter
105 {
106 __u8 filter[DMX_FILTER_SIZE];
107 __u8 mask[DMX_FILTER_SIZE];
108 __u8 mode[DMX_FILTER_SIZE];
109 } dmx_filter_t;
110
111
112 struct dmx_sct_filter_params
113 {
114 __u16 pid;
115 dmx_filter_t filter;
116 __u32 timeout;
117 __u32 flags;
118 #define DMX_CHECK_CRC 1
119 #define DMX_ONESHOT 2
120 #define DMX_IMMEDIATE_START 4
121 #define DMX_KERNEL_CLIENT 0x8000
122 };
123
124
125 struct dmx_pes_filter_params
126 {
127 __u16 pid;
128 dmx_input_t input;
129 dmx_output_t output;
130 dmx_pes_type_t pes_type;
131 __u32 flags;
132 };
133
134
135 struct dmx_event
136 {
137 dmx_event_t event;
138 time_t timeStamp;
139 union
140 {
141 dmx_scrambling_status_t scrambling;
142 } u;
143 };
144
145 typedef struct dmx_caps {
146 __u32 caps;
147 int num_decoders;
148 } dmx_caps_t;
149
150 typedef enum {
151 DMX_SOURCE_FRONT0 = 0,
152 DMX_SOURCE_FRONT1,
153 DMX_SOURCE_FRONT2,
154 DMX_SOURCE_FRONT3,
155 DMX_SOURCE_DVR0 = 16,
156 DMX_SOURCE_DVR1,
157 DMX_SOURCE_DVR2,
158 DMX_SOURCE_DVR3
159 } dmx_source_t;
160
161 struct dmx_stc {
162 unsigned int num; /* input : which STC? 0..N */
163 unsigned int base; /* output: divisor for stc to get 90 kHz clock */
164 __u64 stc; /* output: stc in 'base'*90 kHz units */
165 };
166
167
168 #define DMX_START _IO('o',41)
169 #define DMX_STOP _IO('o',42)
170 #define DMX_SET_FILTER _IOW('o',43,struct dmx_sct_filter_params)
171 #define DMX_SET_PES_FILTER _IOW('o',44,struct dmx_pes_filter_params)
172 #define DMX_SET_BUFFER_SIZE _IO('o',45)
173 #define DMX_GET_EVENT _IOR('o',46,struct dmx_event)
174 #define DMX_GET_PES_PIDS _IOR('o', 47, __u16[5])
175 #define DMX_GET_CAPS _IOR('o',48,dmx_caps_t)
176 #define DMX_SET_SOURCE _IOW('o',49,dmx_source_t)
177 #define DMX_GET_STC _IOWR('o',50,struct dmx_stc)
178
179 #endif /*_DVBDMX_H_*/
180
181
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